729
WWUS55 KMSO 232343
SQWMSO
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SNOW SQUALL WARNING
NATIONAL WEATHER SERVICE MISSOULA MT
543 PM MDT SAT MAR 23 2024
MTC077-240045-
/O.NEW.KMSO.SQ.W.0001.240323T2343Z-240324T0045Z/
POWELL MT-
543 PM MDT SAT MAR 23 2024
THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A
* SNOW SQUALL WARNING FOR...
SOUTHEASTERN POWELL COUNTY IN WEST CENTRAL MONTANA...
* UNTIL 645 PM MDT.
* AT 541 PM MDT, A DANGEROUS SNOW SQUALL WAS LOCATED 7 MILES
NORTHEAST OF DEER LODGE, MOVING NORTHEAST AT 25 MPH.
HAZARD...INTENSE BURSTS OF HEAVY SNOW AND FALLING TEMPERATURES
WILL CAUSE A FLASH FREEZE ON AREA ROADWAYS. GUSTY WINDS
WILL ALSO LEAD TO POOR VISIBILITY. WIND GUSTS UP TO 35
MPH.
SOURCE...RADAR AND WEBCAMS.
IMPACT...DANGEROUS AND LIFE-THREATENING TRAVEL CONDITIONS ARE
EXPECTED TO DEVELOP RAPIDLY IN THE WARNING AREA.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 90 BETWEEN MILE MARKERS 172 AND 180.
HIGHWAY 12 GARRISON TO MACDONALD PASS BETWEEN MILE MARKERS 0 AND 26.
LOCATIONS IMPACTED INCLUDE...
GARRISON, ELLISTON, AND AVON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WET ROADWAYS WILL QUICKLY FREEZE. BLACK ICE WILL CAUSE ROADS,
BRIDGES, AND OVERPASSES TO BECOME SLICK AND DANGEROUS. SLOW DOWN AND
BE PREPARED FOR A SUDDEN LOSS OF TRACTION.
CONSIDER AVOIDING OR DELAYING TRAVEL UNTIL THE SNOW SQUALL PASSES
YOUR LOCATION. IF YOU MUST TRAVEL, USE EXTRA CAUTION AND ALLOW EXTRA
TIME. RAPID CHANGES IN VISIBILITY AND SLICK ROAD CONDITIONS MAY LEAD
TO ACCIDENTS.
SERIOUS INJURIES AND DEATHS MAY RESULT FROM PEOPLE EXITING THEIR
VEHICLES DURING A SNOW SQUALL. DRIVERS MAY NOT BE ABLE TO SEE YOU OR
STOP! IF YOU HAVE BEEN INVOLVED IN AN ACCIDENT OR PULLED TO THE SIDE
OF THE ROADWAY, QUICKLY EXIT YOUR VEHICLE AND MOVE AS FAR AWAY FROM
THE ROADWAY AS POSSIBLE ONLY WHEN IT IS SAFE TO DO SO. DO NOT STAND
ALONG OR NEAR THE ROADWAY, SINCE APPROACHING VEHICLES MAY BE UNABLE
TO MAINTAIN CONTROL.
LAT...LON 4648 11231 4646 11231 4646 11275 4653 11285
4662 11273 4663 11230 4661 11229 4657 11232
4654 11230
TIME...MOT...LOC 2341Z 214DEG 20KT 4647 11266
SNOW SQUALL...OBSERVED
SNOW SQUALL IMPACT...SIGNIFICANT
AL
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