850
WGUS55 KGJT 232355
FFWGJT
UTC019-037-240300-
/O.NEW.KGJT.FF.W.0049.240823T2355Z-240824T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
555 PM MDT FRI AUG 23 2024
THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN GRAND COUNTY IN EAST CENTRAL UTAH...
NORTHERN SAN JUAN COUNTY IN SOUTHEASTERN UTAH...
* UNTIL 900 PM MDT.
* AT 555 PM MDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE CANYONLANDS NATIONAL PARK. BETWEEN 0.6 AND
1.2 INCHES OF RAIN HAVE FALLEN. THE EXPECTED RAINFALL RATE IS 1.5
TO 2.5 INCHES IN 1 HOUR. FLASH FLOODING IS ONGOING OR EXPECTED TO
BEGIN SHORTLY.
HAZARD...FLASH FLOODING CAUSED BY THUNDERSTORMS.
SOURCE...RADAR.
IMPACT...FLASH FLOODING OF SMALL CREEKS AND STREAMS,
STREETS/DIRT ROADS AND UNDERPASSES AS WELL AS OTHER
POOR DRAINAGE AND LOW-LYING AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CANYONLANDS NATIONAL PARK.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
TENMILE CANYON AND GREEN RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN.
ARROYOS, STREAMS, AND RIVERS CAN BECOME RAGING CURRENTS IN A MATTER
OF MINUTES, EVEN FROM DISTANT RAINFALL.
IMMEDIATELY CLIMB TO HIGHER GROUND. RUNOFF CONCENTRATED THROUGH
NARROW CANYON WALLS CAN QUICKLY BECOME DANGEROUS, LIFE THREATENING
CONDITIONS.
LAT...LON 3856 10999 3858 11004 3860 11003 3859 11000
3862 11001 3861 11003 3868 11001 3869 10991
3843 10981 3839 10982 3834 10996 3839 10998
3839 11001 3848 11000 3850 11002 3850 11000
3852 11003 3853 10999
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-2.5 INCHES IN 1 HOUR
ERW
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