Summer severe weather season is here!
If you see severe weather & it’s safe to do so, please send your reports to us by using
#ABstorm
or calling 1-800-239-0484.
Stay aware of alerts via our website or with our WeatherCAN app!
The July 1st tornado near Didsbury, AB has been rated EF-4. A team of ECCC meteorologists collaborating with
@westernuNTP
visited the site and completed a storm damage assessment.
See our full report here:
#abstorm
Though the ☀️ was nice on the weekend, colder temperatures and snow move in across southern
#AB
to begin astronomical spring. Between Tuesday night and Thursday night about 15 – 25 cm is expected with locally higher amounts possible.
#abstorm
Thunderstorms in western Alberta will begin tomorrow evening and will continue into the night, with very large hail and very strong winds. The tornado risk is early in the evening over western regions.
#abstorm
Feeling a bit tired today? There were over 6000 strokes of lightning in the greater Edmonton area last night, and over 180 around Calgary. Alberta averages over 400 000 strokes of lightning in July.
#Abstorm
Did you know our radars can detect more than weather? The radar near Carvel detected a large number of birds taking to the skies near Edmonton this morning! The radar signature, called a roost ring, is circled on the animation. 🐦🐦
#ABstorm
🌪️Alberta’s first confirmed tornado of the 2020 Summer weather season occurred just after 10 am today (May 27) near Mossleigh.🌦️
A summary of this event is attached below & available today at:
More info about landspouts threaded below.
#abstorm
(1/2) At long last, the Strathmore radar has been upgraded and is back online. You can access the data on the WeatherCAN app or online at: .
#abstorm
#radar
The spells🔮 have been cast for snow! 🎃
Snow begins Tues afternoon in the south and expands northeastward through the night.
10-20 cm is likely by Wednesday evening, incl. Claresholm, Brooks and Oyen.
Up to 25 cm of snow is possible over higher terrain in the SW.
#ABstorm
It’s true... an uptick in thunderstorm activity generally follows heat events in Alberta.
Today is no different, storms initiate along the foothills later today and move to the SE through the evening/overnight.
Stay weather aware today in southern Alberta!
#ABstorm
#yycwx
Due to unforeseen circumstances, our weather generating machines (or WGMs for short) are down until further notice. We will be unable to create any weather today.
#abstorm
Just like that, rain has come and gone across Alberta. The storm lasted just over 24 h and left plenty of moisture behind.
24h totals from 30-50 mm were seen across the foothills, incl. Calgary, with amounts exceeding 70 mm near SK.
#abstorm
Summary:
Here’s our updated thunderstorm outlook for today.
It’s still shaping up to be an active day for thunderstorms along and east of the foothills with all types of severe weather possible!
#getprepared
#ABStorm
Some much needed rain fell over west-central areas of Alberta over the last 24 hours. (As of 12:00 pm MDT). An additional 5-20 mm is forecast over similar areas again today before showers taper off overnight.
#abstorm
POP QUIZ!
Schuler, AB is now home to:
a) the world’s largest golf ball
b) a hailstone replica
c) a new S-Band RADAR
If you answered C – you’re right ✅
The upgrade is complete. Images and loops now available @ or on the WeatherCan APP.
#abstorm
#skstorm
Thunderstorms forecast in central
#AB
today with all severe hazards possible, including large hail and tornadoes. Thick smoke in the region may inhibit or delay convection until later in the day or evening. Stay weather aware and have a way to receive weather alerts.
#abstorm
A strong cold front moves through southern
#Alberta
in the next few hours.
#Calgary
will likely see this drop during the noon hour.
A drop of near 20°C over an hour and strong north winds are giving wind chills in the -20's
#abstorm
#yycwx
TS + Tornado watches issued.
#abstorm
Thunderstorms are expected to develop later today. Smoke may hinder some development, however, if they do form large hail, strong winds, and potentially tornadoes possible.
Use WeatherCan to get ECCC Alerts quickly:
Threat of severe storms forming in southern Alberta & tracking northward tonight. Expect storms to begin this evening, with high risk for severe storms in
#Calgary
. Main threat is damaging winds, even far from storm structures.
#ABStorm
Alerts:
Numerous wildfires are burning across northern and central Alberta. Not only can we see them on satellite imagery, but we can also see them on radar!
#ABstorm
Learn about air quality and safety tips here
Extreme cold warnings have been issued for all of Alberta.
Arctic air is funnelling into Alberta to end the week. Temps from –30°C to -40°C are forecast for Friday and Saturday, with wind chills from –45 to –55 expected.
Alerts:
#abstorm
#extremecold
It's been toasty so far this winter! Through the first half of meteorological winter (Dec 1 - Jan 17), temperatures have been the warmest ever recorded in Edmonton, and the fifth warmest on record in Calgary. How above normal has your area been so far? 🌡️🔥
#abstorm
#yegwx
20 years ago today, a tornado moved through Green Acres Campground on Pine Lake causing loss of life and destruction.
It was the 4th deadliest tornado ever recorded in Canada.
We remember this day.
#neverforget
#abstorm
With the start of summer severe weather season, our seasonal Thunderstorm Outlook is back! ⛈️
Find it here:
Issued daily around 7AM and 1PM MDT. Valid time is in the top right corner.
#abstorm
#BePrepared
#KnowBeforeYouGo
A tornado has been confirmed on the evening of June 13 south of Barnwell. See the summary here:
Also a big thank you to all the weather spotters and community members who took the time to provide us with information regarding this event.
#abstorm
Heat warnings are now in effect over northern AB. This is the beginning of a dangerous and potentially historic weeklong heatwave starting tomorrow
#abstorm
Record breaking temps are possible. This will be a rare and serious event.
Weather Alerts:
Did you see our Significant Weather Outlook? We're running a pilot in the prairies for a few months before the Thunderstorm Outlook is back up and running.
It is temporarily available here:
Tag us if you have any feedback!
#abstorm
Tomorrow (July 7) looks to be an active day along and east of the foothills, including the QEII corridor.
It's a good time to prepare your summer emergency kit if you haven't done so already.
Download our WeatherCan APP for alerts for your location.
#getprepared
#abstorm
A tornado was reported in southern AB this afternoon, passing near the town of Didsbury and causing damage. ECCC is sending a team to investigate in coordination with
@westernuNTP
. Please send any damage reports to abstorm
@ec
.gc.ca or post to
#abstorm
It’s pretty dry out there in much of Alberta. You may have noticed the lack of snow almost everywhere outside of the Rocky Mountains and the north (High Level to Fort Chipewyan).
Many stations recorded only 5-40% of their normal for November.
#abstorm
Keep your eyes to the skies today in much of
#Alberta
! Large hail, strong wind gusts, and localized heavy downpours are expected with today's thunderstorms.
See the thunderstorm outlook below for more details.
#abstorm
#yegwx
Dangerous thunderstorms are possible in the orange area today for central Alberta. Strong winds, damaging hail and tornadoes are all possible. Keep up to date with watches and warnings:
#ABStorm
#ABWx
Winter storm and snowfall warnings are still in effect for southern Alberta. A preliminary summary of snowfall amounts received so far has gone up here: This is a photo from Exshaw where 30 cm of snow has already fallen.
#abstorm
The new dual-pol RADAR is up and in test mode near Fort McMurray! Here are some images from this morning, showing a few light showers off to its northwest.
We hope to have the new RADAR running operationally within a couple of months!
#abstorm
#abwx
#RADAR
Alberta Heat Wave: June 25 – July 2
🌡️ Highest temperature recorded: 41.5°C on June 29 in Grande Prairie
🌡️ 219 daily maximum temperature records broken or tied
🌡️ 19 sites broke their all-time maximum temperature record
#abstorm
This air mass is so cold that some of the forecast temperatures haven’t been recorded in 20 years or more.
- In Calgary & Edmonton City, the last high below –30° was on Jan 27, 2004
- In Edmonton, the last low below –38°C was Jan 1972 and at Calgary was Jan 1997
#abstorm
Severe weather returns tomorrow in southern Alberta. We expect storms in the afternoon on the foothills and in the evening in the south near the US border. Through the evening storms will move to the N and NE. Main threats are wind and hail.
Stay tuned for updates
#ABStorm
Do you know the difference between a severe thunderstorm WATCH and a WARNING? The distinction is important for how to safely respond.
We've explained the difference below using cookies!
Alerts in effect here:
#abstorm
#yycwx
#yegwx
#storms
#beprepared
There is a risk of impactful thunderstorms today over southern AB. Large hail is the primary threat, but locally heavy rain is also possible. Stay up to date with watches and warnings and take cover if thunder roars.
#ABStorm
#ABWx
🧵From summer weather to fall weather in a day, a storm with rain, wind and even ❄️ moves through Alberta tonight and tomorrow. Parts of the foothills will likely see upwards of 30-40+ mm of rain by Thurs.
#ABStorm
Watches/Warnings:
Heavy rain fell over southern Alberta the past 24 hours resulting in significant amounts in some areas! 🌧️
The heaviest rainfall is over however showers will continue into the evening hours
#abstorm
Check out the weather summary here:
(1/1) A 1-in-50 year cold event is forecast for AB this weekend and next week.
#abstorm
Extreme cold temps will build south from the Arctic by Mon morning. Cloud and snow over the Foothills will keep southwest areas warmer this weekend.
We'll have active skies this afternoon/evening across central Alberta. Wind is the main weather threat with these storms, but large hail and heavy rain is also expected. Stay sky aware today
#ABStorm
#ABWx
👀 over 100 mm of rain fell over a wide area of the foothills.
This image is 48 hr derived precipitation from the Strathmore RADAR valid from Mon at 8 am to Wed at 8 am MDT. Imagery like this helps us visualize rainfall amounts when we may not have as many observations.
#abstorm
Summer severe weather season is here!
If you see severe weather & it’s safe to do so, please send reports to us by using
#ABstorm
or calling 1-800-239-0484.
Stay aware of alerts in your area on our WeatherCAN app, online or by following an account here:
Severe thunderstorm watches now in effect for much of southern Alberta including the city of
#Calgary
. Storms this evening will move north through the region, with the risk of strong wind gusts. Follow directions from watches/warnings
#ABStorm
Alerts:
Another
#ABstorm
is set to bring snow and winds to southern and east-central Alberta starting tonight!
For southeastern Alberta, most of the snow falls Saturday night and into Sunday, but snow continues Sunday for east-central areas. (1/2)
After an on-site storm damage survey & collaboration with
@westernuNTP
the July 7 tornado near Bergen, AB has been rated an EF-2.
ECCC sincerely thanks those who reported to
#abstorm
and those we interviewed during the storm damage survey.
There’s been a lot of rain in central AB ☔, and there’s more in the forecast for today.
How much rain so far? 24 hr rainfall totals from Sun, June 18 morning to Mon, June 19 below.
Of note, Hendrickson Creek received 94 mm, Carrot Creek 88.6 mm and Edson 87 mm.
#abstorm
It has been a record-breaking year for smoke hours across Alberta. A ‘smoke hour’ is considered when visibility reported in smoke is reduced to 9.7km (6SM) or less. Numbers have been calculated for areas with continuous, 24/7, human-made observations.
#abstorm
(1/6)
Check out this “heat island” effect.
With such cold temperatures in
#AB
Sunday morning, the effect was really apparent on IR satellite.
Darker pixels = warmer
Lighter pixels = colder
Edmonton was 10 degrees warmer than surrounding areas! (XEC -33°C and YEG -43°C).
#abstorm
Winter returns!
#abstorm
(1/2)
Starting Sunday, an
#AB
clipper will bring snow, winds, and colder temperatures. The heaviest snow will fall in central regions and the mountain parks. Some areas will also see strong winds by early Monday morning causing localized blowing snow.
Construction has begun! We are replacing the weather radar near Schuler, AB with a new more modern radar.
While under construction, forecasts will be made using information from neighbouring radars, and other technology.
Learn more: .
Alberta has had 22 tornadoes so far this year. We are upgrading the rating of the tornadoes that occured near Hanmore Lake and Carmangay to EF2 on the Enhanced Fujita scale based on work from
@westernuNTP
. Details can be found at:
#Abstorm
Another day of thunderstorms across central Alberta is forecast. Keep your eye to the sky and make sure to have a safe place to shelter if a storm rolls through this afternoon. Here is today's thunderstorm outlook.
#ABStorm
#ABWx
⚡ Sign of summer - the Prairie Thunderstorm Outlook ☈ is once again issued twice daily by the PASPC. 🌩️
Day 1, issued at 6 am MDT, and day 2, issued at 2:30 pm MDT.
You can find them here:
#ABstorm
#staysafe
#summerweather
A spring rainstorm is on the way!
Heavy rain moves into SE
#AB
tonight and lasts into Wednesday. Snowfall is likely over higher elevations of the Foothills. Strong northwesterly wind gusts of 70 – 90 km/h are also forecast in the SE with this system for Tuesday.
#abstorm
ECCC is reporting the preliminary results of 3 investigations, including a funnel cloud and gustnado in
#YYC
on July 23.
A gustnado is a whirlwind which forms along an outflow from a thunderstorm, and is not a tornado.
Read on about the other events and details below.
#abstorm
An Alberta clipper is rapidly moving through
#AB
this morning bringing some wild weather.
We've received reports of lightning and winds up to 120 km/h in the SW, freezing rain in east central Alberta, and heavy snowfall northwest of Edmonton. Send your reports to
#abstorm
!
The first significant heat of 2024 moves in next week. 🌡️
Temperatures gradually climb this weekend, peaking the middle of next week with highs in the low-to-mid 30s possible.
#abstorm
Prepare for an extended period of above average temps:
Under clear skies in central AB, you can see the urban ‘heat’ island effect on display. Slightly warmer temperatures in
#Calgary
and
#Edmonton
show up darker than frigid rural regions of central AB. Satellite imagery from 12 am MST Tues.
#abstorm
#yegwx
#yycwx
#icefog
We're closing out December with temperatures still above normal across
#AB
. New Years Eve will be near 0°C at midnight across the province!
In fact, temperatures for the month were consistently high, and many places experienced the warmest December on record!
#abstorm
Here’s a partial picture of rainfall amounts so far over
#Alberta
.
We’ve had reports of over 100 mm for the event so far west & southwest of Calgary.
If you have a rain gauge, please tweet a picture of your rainfall report to
#abstorm
on twitter.
Unsettled conditions today across Alberta. Isolated storms capable of strong winds gusts and 2-4cm hail are possible across central regions. Check out our Thunderstorm Outlook valid from 12pm to midnight tonight
#abstorm
Watches or warnings found here:
Let's talk about the snow.
#ABstorm
#YYCwx
Total accumulations are still ~15-25 cm by Friday morning with the heaviest snow Wednesday morning and Thursday overnight.
Southern
#AB
continues to see snow through the weekend and total amounts could be 30+ by Sunday.
Snow develops in the south starting tonight, lasting through Thursday. Snowfall warnings are out for the southwest with higher terrain seeing the most snow. Some areas in extreme southern
#AB
may see off and on snow through the weekend.
#abstorm
Travel updates at
@511Alberta
An evolving thunderstorm risk for Alberta today. The best chance for active weather will be this evening until after midnight. With the uncertainty in today's forecast, keep an eye on watches and warnings
#ABStorm
Alerts:
The summer peak thunderstorm (TS) season is ending and so too is the ECCC TS Outlook for 2020.
It was a busy year for
#abstorm
. The PASPC in Edmonton issued 1565 warnings for
#AB
(severe ⛈️ and 🌪️).
Stay tuned for a breakdown of summer stats soon!
#fallfeeling
#seasons
Wondering what our heat 🌡️ warning criteria is here in the Prairies?
It changes based on location, so take a look at the map and reference your area's colour in the legend (red box). Remember, this criteria must be met for a minimum of 2 days in a row (red circle).
#abstorm
We’re in for a bit of weather whiplash in parts of southern Alberta!
Some places with highs in the mid-teens yesterday will wake up to snow on Thursday morning! Snow will be wet and heavy with temps still near freezing.
Here is a map of 24h snowfall amounts forecast.
#abstorm
#DYK
smoke in the air can negatively affect air quality but also make a big difference in our weather forecasts?
#abstorm
Smoke can have an impact on temperatures, cloud formation and even thunderstorm potential.
A thread:
(1/5)
Rain showers 🌧️, flurries 🌨️, strong winds 🌬️ , thunderstorm risks🌩️ , heavy snowfall ❄️...Spring in Alberta is doing its thing!
Several weather warnings and statements are in effect for a spring storm affecting Alberta beginning Sunday.
#abstorm
👀 We're tracking the development of a very strong upper ridge for the middle of next week. This could lead to temperatures well above normal across western Canada to start December. 🔥
1st image: Upper ridge and anomaly
2nd image: Surface temperature anomaly
#abstorm
It's June in AB, time for some ... Snow 🌨️
Snow is expected to fly in the Rockies this weekend w/ some accumulation in the higher elevations & potentially along the Icefields Parkway.
If you head out, prepare for a taste of winter & bring along the appropriate gear 🥾.
#abstorm
The story of 2023! - a thread
It was the warmest year on record for multiple cities in
#AB
and top 4 for many others.
Every month, except March, came in normal or warmer than normal.
A standout hot May and December solidified our annual stats for many locations.
#abstorm
Starting today, you can look for love on our WeatherCAN app! Just click the heart to set up your dating profile and start swiping for love amongst other weather enthusiasts.
The forecast calls for 100% chance of flirting.
#abstorm
Severe weather is on tap for Alberta today
#abstorm
Large hail (golf ball size) and strong winds are the primary threats along the foothills including
#Calgary
🌩️
Pleasant long weekend weather is headed your way, AB! Mainly sunny skies and temperatures 5-10 °C above normal for this time of year are expected across the province 🌞
Have a look at your local forecast 👉
#ABstorm
"Wait... are those fronts backwards?"
Nope! This unseasonably cold air mass has a weak low pressure system in MB spun right 'round. Relatively warm air is moving southward from the Arctic!
Fort Chipewyan is "warmest" this hour at -20.6.
Surface analysis below.
#abstorm
Keep your eye to the sky if heading outside this holiday Monday. Severe thunderstorms are expected over much of Alberta.
#ABStorm
Stay up to date on our alerts by downloading our WeatherCan App or by visiting our website:
It's HOT! - understatement?
Heat in #'s for June 28, 2021:
• 39 – daily record max temps
• 9 – All-time records
• 7 – June records
Some all-time records broke the records set Sunday (Jun 27) and they could be beat again today!
#abstorm
Quiet weather across Alberta for Christmas 2020, with a white Christmas for all regions of the province. All the best to you and yours at this festive time, and a special shout out to the tireless MSC staff working 24/7 to keep Canadians safe!
#abstorm
🎄
With the morning storms, central AB feels humid!
Some dew points are as high as 18°C at 12 pm!
Dew point is what we use to measure moisture in the air when forecasting storm potential (storm fuel). It doesn’t change with air temperature (like relative humidity does).
#abstorm
We're looking at a few wet days in S. Alberta. Two rounds of wet snow and rain begin tonight. Snow will continue through Tuesday and intensify through Wednesday.
Snowiest conditions will be along the foothills, west of
#yyc
. Expect low visibility if you’re traveling.
#abstorm
That’s a wrap!
As of October 4, in collaboration with
@westernuNTP
, ECCC’s 2022 official Alberta tornado count is: 8
*Numbers could still fluctuate as more info becomes available.
Fact: The 🌪️at Bergen was the strongest rated tornado in AB since Pine Lake in 2000
#abstorm
It might be Meteorological spring, but winter weather is moving in.
Heavy snow with poor travel conditions is expected Thursday and Friday.
A general total 10-15 cm is likely, with amounts potentially reaching 25 cm in the east, near Wainwright and Lloydminster.
#abstorm
Thick wildfire smoke is leading to very poor air quality across Alberta today. A Special Air Quality Statement is in effect. Continue to take actions to protect your health and reduce exposure to smoke😷 🌫️
To learn more about the AQHI and view forecasts:
We've seen a few requests for this, so here's today's Thunderstorm Outlook!
Generally sub-severe, scattered thunderstorms expected today. Some slow moving storms along the foothills may produce heavy rain.
#abstorm
Conditions are favourable for the development of severe thunderstorms in southeastern Alberta and southwestern Saskatchewan. Long duration, well organized thunderstorms are possible leading to the potential for large hail and an isolated tornado.
#ABstorm
Severe thunderstorms expected in parts of Alberta this aft/evening.
Very high daytime temperatures are required before storms can develop; thus, they aren't expected until late this afternoon/this evening.
Watches & Warnings here:
#abstorm
#beprepared