537
WWUS75 KMSO 201906
NPWMSO
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
106 PM MDT SAT APR 20 2024
MTZ003-220200-
/O.NEW.KMSO.LW.Y.0002.240421T1300Z-240422T0200Z/
FLATHEAD/MISSION VALLEYS-
106 PM MDT SAT APR 20 2024
..LAKE WIND ADVISORY IN EFFECT FROM 7 AM TO 8 PM MDT SUNDAY
* WHAT...SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS UP TO 25 MPH WITH A
1 FOOT CHOP EXPECTED AT FLATHEAD LAKE. STRONGER SOUTHWEST TO WEST
WINDS 15 TO 35 MPH ACROSS THE WEST SIDE OF THE LAKE WITH A 1 TO 2
FOOT CHOP EXPECTED.
* WHERE...FLATHEAD LAKE.
* WHEN...FROM 7 AM TO 8 PM MDT SUNDAY.
* IMPACTS...A COLD FRONT PASSAGE SUNDAY MORNING WILL USHER IN GUSTY
SOUTHWEST TO WEST WINDS AND CREATE HAZARDOUS CONDITIONS FOR SMALL
CRAFT.
* ADDITIONAL DETAILS...THERE MAY BE A SLIGHT UPTICK IN THE WINDS,
GENERALLY WEST-SOUTHWEST 15 TO 25 MPH ON THE EAST SIDE OF THE LAKE
BETWEEN 5 AND 7 PM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BOATERS ON AREA LAKES SHOULD USE EXTRA CAUTION SINCE STRONG WINDS
AND ROUGH WAVES CAN OVERTURN SMALL CRAFT. WATER TEMPERATURES ARE IN
THE 40S AND IT DOESN'T TAKE MUCH TIME FOR HYPOTHERMIA TO DEVELOP IF
YOU GET DIPPED INTO THE WATER. WEARING A LIFE JACKET SIGNIFICANTLY
INCREASES CHANCES OF SURVIVAL.
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