Alert archive / Colorado / Flash Flood Warnings in 2014

Flash Flood Warning 6, NWS Grand Junction, CO

July 24, 20144 counties in Colorado

NWS Grand Junction, CO issued this flash flood warning at Jul 24, 2014, 5:50 PM MDT for 4 counties in Colorado. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 24, 2014, 5:50 PM MDT (23:50 UTC)
Expired: Jul 24, 2014, 8:45 PM MDT
In force: 3 hr
Issued by: NWS Grand Junction, CO
Area: Storm-based polygon
Flood severity: None

Counties Garfield County, CO, Gunnison County, CO, Mesa County, CO, Pitkin County, CO

The radar

The Grand Junction radar (KGJX), 55 km from the middle of the area, began a volume at 23:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Junction, CO wrote its last area forecast discussion before this flash flood warning went out at Jul 24, 4:32 PM MDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 24, 4:32 PM MDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jul 24, 6:13 AM MDT, 11 hours 37 minutes before

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In the hours before

Special weather statement, Jul 24, 1:12 PM MDT, 4 hours 38 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
112 PM MDT THU JUL 24 2014

COZ017-020-UTZ028-241945-
PARADOX VALLEY/LITTLE DOLORES RIVER CO-
UNCOMPAHGRE PLATEAU/DALLAS DIVIDE CO-LA SAL AND ABAJO MOUNTAINS UT-
112 PM MDT THU JUL 24 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MESA AND
SOUTHEASTERN GRAND COUNTIES UNTIL 145 PM MDT...

AT 109 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR GATEWAY...MOVING EAST AT 10 MPH. THIS STORM WILL IMPACT HIGHWAY
145 NEAR GATEWAY AS WELL AS CANYONS SURROUNDING GATEWAY.

HALF INCH HAIL...WIND GUSTS OF 40 MPH...AND HEAVY RAINFALL WILL BE
POSSIBLE WITH THIS STORM.

LAT...LON 3856 10902 3871 10910 3877 10884 3861 10876
TIME...MOT...LOC 1909Z 248DEG 7KT 3865 10898

Special weather statement, Jul 24, 1:20 PM MDT, 4 hours 30 minutes before

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Local storm report, Jul 24, 3:37 PM MDT, 2 hours 13 minutes before

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The office that day

Everything else NWS Grand Junction, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 23, 9:46 PM MDT	Areal Flood Advisory	GJT	Archuleta	3 hr
Jul 24, 1:12 PM MDT	Special Weather Statement	GJT		33 min
Jul 24, 1:20 PM MDT	Special Weather Statement	GJT	Routt	25 min
Jul 24, 1:42 PM MDT	Areal Flood Advisory	GJT	Mesa	108 min
Jul 24, 3:30 PM MDT	Areal Flood Advisory	GJT	Garfield, Pitkin	3 hr
Jul 24, 4:50 PM MDT	Flash Flood Warning	GJT	San Miguel	3 hr

Nearby

Flash Flood Warnings in Colorado, 2014 Every flash flood warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.