510
WGUS55 KGJT 041803
FFWGJT
COC077-UTC019-041930-
/O.NEW.KGJT.FF.W.0001.250604T1803Z-250604T1930Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1203 PM MDT WED JUN 4 2025
THE NATIONAL WEATHER SERVICE IN GRAND JUNCTION HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN MESA COUNTY IN WEST CENTRAL COLORADO...
SOUTHEASTERN GRAND COUNTY IN EAST CENTRAL UTAH...
* UNTIL 130 PM MDT.
* AT 1203 PM MDT, DOPPLER RADAR INDICATED MULTIPLE THUNDERSTORMS
PRODUCING HEAVY RAIN OVER JOHN BROWN CANYON. BETWEEN 0.5 AND 1
INCH OF RAIN HAS FALLEN. ADDITIONAL RAINFALL AMOUNTS OF 0.2 TO 0.5
INCHES ARE POSSIBLE ALONG JOHN BROWN CREEK DUE TO TRAINING STORMS
REDEVELOPING OVER THE SAME AREA. 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, COUNTY
ROADS, HIGHWAYS, AND UNDERPASSES AS WELL AS OTHER POOR
DRAINAGE AND LOW-LYING AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
JOHN BROWN ROAD TO CO HIGHWAY 141
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
DOLORES RIVER AND JOHN BROWN CREEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
COLORADO HIGHWAY 141 IS PRONE TO ROCKSLIDES AND MUDSLIDES IN HEAVY
RAIN. STAY ALERT FOR ROCKS AND DEBRIS ON ROADS, AND AVOID DRIVING ON
FLOODED ROADS. FIND AN ALTERNATE ROUTE.
IMMEDIATELY CLIMB TO HIGHER GROUND. RUNOFF CONCENTRATED THROUGH
NARROW CANYON WALLS CAN QUICKLY BECOME DANGEROUS, LIFE THREATENING
CONDITIONS.
BE AWARE OF YOUR SURROUNDINGS AND DO NOT DRIVE ON FLOODED ROADS.
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.
LAT...LON 3860 10907 3861 10909 3862 10908 3861 10906
3864 10903 3865 10900 3867 10898 3866 10897
3864 10897 3862 10899 3862 10900 3861 10901
3862 10902 3861 10903 3859 10906 3859 10907
FLASH FLOOD...RADAR INDICATED
ERW
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