161
FOCN45 CWWG 141900
SIGNIFICANT WEATHER DISCUSSION ISSUED BY THE PRAIRIE AND ARCTIC STORM
PREDICTION CENTRE OF ENVIRONMENT CANADA AT 2:00 PM CDT TUESDAY APRIL
14 2026.
ALERTS IN EFFECT...BLIZZARD WARNINGS FOR THE KIVALLIQ AND KUGAARUK.
WIND WARNINGS FOR BAKER LAKE AND RANKIN INLET. WINTER STORM WATCH FOR
CLYDE RIVER. SNOWFALL WARNING FOR GRANDE CACHE.
SYNOPTIC OVERVIEW...ALOFT, AN UPPER LOW IS LOCATED OVER THE ALASKA
PANHANDLE. THE POLAR VORTEX CONTINUES TO SIT ANCHORED OVER THE
EASTERN ARCTIC WITH ITS BROAD CYCLONIC FLOW INFLUENCING MUCH OF
CANADA'S ARCTIC REGION. ZONAL FLOW IS OVER THE PRAIRIES WITH A FEW
SHORTWAVES EMBEDDED IN THE FLOW, ONE LOCATED OVER NORTHEASTERN
SASKATCHEWAN AND ANOTHER OVER WEST-CENTRAL ALBERTA.
AT THE SURFACE, LOW PRESSURE IS LOCATED OVER CENTRAL BC AND ANOTHER
DEVELOPING LOW IS LOCATED OVER SOUTHERN ALBERTA. A THIRD LOW CENTRE
IS LOCATED OVER NORTHEASTERN SASKATCHEWAN. RIDGING EXTENDS FROM THE
BEAUFORT SEA SOUTHEASTWARD THROUGH THE CENTRAL ARCTIC. A POTENT 983
MB LOW PRESSURE SYSTEM IS OVER SOUTHAMPTON ISLAND.
DISCUSSION...
AB...HEAVY SNOW IS EXPECTED TODAY IN THE GRANDE CACHE AREA AND WILL
CONTINUE THROUGH WEDNESDAY. TOTAL AMOUNTS COULD EXCEED 30 CM IN THIS
REGION OVER THE NEXT TWO DAYS. PRECIPITATION WILL SPREAD EAST ALONG
THE YELLOWHEAD CORRIDOR TODAY, BUT EAST OF THE ROCKIES IT WILL FALL
LARGELY AS RAIN TO START BEFORE CHANGING OVER TO SNOW TONIGHT.
ANOTHER LOW IS FORECAST TO DEVELOP ON WEDNESDAY, WHICH WILL LIKELY
BRING SIGNIFICANT SNOW TO PARTS OF CENTRAL AND SOUTHERN ALBERTA.
MOST GUIDANCE AGREES ON HEAVY SNOW SOMEWHERE IN THE AREA, BUT DOES
NOT AGREE ON WHERE EXACTLY IT WILL LAND. SOME MODELS ARE INDICATING
SNOW TOTALS UPWARDS OF 30 CM BY THURSDAY EVENING. SOME BLOWING SNOW
(OR FALLING SNOW BLOWING SIDEWAYS) IS ALSO POSSIBLE WITH THIS SYSTEM
WEDNESDAY NIGHT INTO THURSDAY MORNING.
MB/SK...THE LOW PRESSURE SYSTEM OVER NORTHEASTERN SASKATCHEWAN
CONTINUES TO TRACK EASTWARD AND PUSH SNOW THROUGH NORTHERN MANITOBA
THIS EVENING. SNOWFALL AMOUNTS OF 5 TO 10 CM ARE FORECAST THROUGH THE
NORTHERNMOST COMMUNITIES AS IT TRACKS THROUGH THE REGION.
ANOTHER LOW WILL TRACK THROUGH THE EASTERN PRAIRIES TUESDAY NIGHT
THROUGH WEDNESDAY. THIS NEXT LOW WILL BE SLIGHTLY FURTHER SOUTH FROM
THE AFOREMENTIONED LOW, PUSHING SNOW THROUGH THE NORTHERN GRAINBELT
OF SASKATCHEWAN AND THROUGH CENTRAL MANITOBA. PRECIPITATION WILL
START OUT MIXED, LIKELY AS RAIN OVER THE SOUTHERN BOUNDARY, WITH A
RISK OF FREEZING RAIN WEDNESDAY MORNING, SPECIFICALLY OVER
EAST-CENTRAL SASKATCHEWAN AND CENTRAL MANITOBA. AS COLD AIR WRAPS
INTO THE LOW, PRECIPITATION WILL QUICKLY CHANGE TO SNOW BY EARLY
WEDNESDAY MORNING AND SPREAD THROUGH CENTRAL MANITOBA ON WEDNESDAY.
CURRENT ENSEMBLE GUIDANCE IS INDICATING 10 TO 20 CM OF SNOW IS
POSSIBLE WITH THIS SYSTEM. HOWEVER, SNOWFALL AMOUNTS WILL BE LIMITED
BY THE SPEED OF THE SYSTEM, LOW SLRS, AND MILD TEMPERATURES THAT HAVE
BEEN IN PLACE OVER THE REGION. SNOWFALL AMOUNTS WILL LIKELY BE HIGHER
OVER CENTRAL MANITOBA WHERE THE SNOW WILL FALL THROUGH A COOLER
AIRMASS. SNOWFALL AMOUNTS IN THESE REGIONS MAY REACH 15 CM, ALTHOUGH
WARMER AIR ALOFT, PARTICULARLY ON THE SOUTHERN EDGE OF THE
PRECIPITATION ENVELOPE, MAY LIMIT THE ACCUMULATION IN THE SOUTHERN
COMMUNITIES. NONETHELESS, SNOWFALL WARNINGS WILL LIKELY BE ISSUED
THIS AFTERNOON.
A MORE SIGNIFICANT LOW IS FORECAST TO TRACK THROUGH THE PRAIRIES ON
THURSDAY AND THROUGH FRIDAY WITH HEAVY SNOW, BLOWING SNOW, AND
FREEZING RAIN LIKELY TO PUSH THROUGH MUCH OF SOUTHERN SASKATCHEWAN
AND SOUTHERN MANITOBA. LATEST MODEL GUIDANCE SHOWS A BAND OF FREEZING
RAIN SETTING UP EARLY THURSDAY MORNING OVER THE REGINA AREA AS COLDER
AIR FROM THE RIDGE PUSHES INTO THE REGION, AND THE LOW BRINGS WARMER
AIR UP FROM THE SOUTH. THIS THREAT CONTINUES EASTWARD, PARTICULARLY
AFFECTING THE RED RIVER VALLEY EARLY FRIDAY MORNING AS ANOTHER
IMPULSE OF MOISTURE TRANSLATES ACROSS A WARM FRONT THROUGH THE
REGION. THIS NEXT SYSTEM WILL BE MONITORED AS IT DEVELOPS AND
BULLETINS WILL BE ISSUED AS THE EVENT DRAWS NEAR AND TRACK AND
IMPACTS OF THIS SYSTEM BECOME CLEAR.
NT...STEADY SNOW IS EXPECTED FOR MUCH OF THE MACKENZIE VALLEY TODAY
AND WEDNESDAY, WITH UP TO 10 CM OF TOTAL ACCUMULATION.
NUNAVUT...THE LOW OVER SOUTHAMPTON ISLAND CONTINUES TO WEAKEN THIS
AFTERNOON, AND MOST WARNINGS WILL LIKELY BE ENDED THROUGH THE EVENING
AS CONDITIONS IMPROVE.
FOR KIVALLIQ, STRONG NORTHERLY WINDS CONTINUE TO CAUSE BLIZZARD
CONDITIONS THROUGH THE REGION AS OF MIDDAY TUESDAY. AS THE LOW
WEAKENS WINDS WILL DIMINISH AND BLIZZARD CONDITIONS ARE FORECAST TO
END BY THIS EVENING.
STRONG NORTHERLY WINDS OF 70 GUSTING 90 KM/H CONTINUE FOR RANKIN
INLET. BAKER LAKE WAS ADDED TO THE WIND WARNING OVERNIGHT AS WINDS
NEAR 70 KM/H SUSTAINED WERE REPORTED IN THE COMMUNITY. THESE WINDS
WILL GRADUALLY DIMINISH AND THE WIND WARNINGS WILL BE ENDED BY EARLY
EVENING.
FURTHER NORTH OVER MELVILLE PENINSULA, EASTERLY WINDS HAVE EASED AND
CONDITIONS HAVE IMPROVED. AS SUCH, BLIZZARD WARNINGS HAVE ENDED.
BLIZZARD CONDITIONS ARE ONGOING (PROBABLY) IN KUGAARUK. VISIBILITY
WILL GRADUALLY IMPROVE THROUGH THE DAY AS THE SOUTHAMPTON ISLAND LOW
FILLS AND THE WINDS WEAKEN. CONDITIONS IN GJOA HAVEN AND TALOYOAK
HAVE IMPROVED.
A LOW PRESSURE SYSTEM PROGGED TO TRACK THROUGH DAVIS STRAIT ON
WEDNESDAY WILL BRING SNOW AND NORTHWESTERLY WINDS GUSTING UP TO
70 KM/H TO CLYDE RIVER. THESE STRONG WINDS COMBINED WITH THE FALLING
SNOW WILL BRING BLIZZARD CONDITIONS TO THE COMMUNITY BEGINNING
WEDNESDAY MORNING AND ENDING WEDNESDAY EVENING. A WINTER STORM WATCH
HAS BEEN ISSUED, AND WILL LIKELY BE UPGRADED TO A BLIZZARD WARNING
THIS AFTERNOON.
END/MOODIE/STAUNTON/COLANGELO/GRIFFITH
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page