Alert archive / Utah / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 26, NWS Grand Junction, CO

July 19, 2011Uintah County, Utah

NWS Grand Junction, CO issued this severe thunderstorm warning at Jul 19, 2011, 8:30 PM MDT for Uintah County, Utah. It was in force for 45 min. 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 19, 2011, 8:30 PM MDT (02:30 UTC)
Expired: Jul 19, 2011, 9:15 PM MDT
In force: 45 min
Issued by: NWS Grand Junction, CO
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Uintah County, UT

The radar

The Grand Junction radar (KGJX), 163 km from the middle of the area, began a volume at 02:32 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 severe thunderstorm 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 severe thunderstorm warning went out at Jul 19, 5:10 PM MDT, 3 hours 20 minutes earlier.

Area forecast discussion, Jul 19, 5:10 PM MDT, 3 hours 20 minutes before

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Hazardous weather outlook, Jul 19, 4:31 AM MDT, 15 hours 59 minutes before

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In the hours before

Special weather statement, Jul 19, 3:13 PM MDT, 5 hours 17 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
313 PM MDT TUE JUL 19 2011

COZ001>003-192200-
CENTRAL YAMPA RIVER BASIN CO-LOWER YAMPA RIVER BASIN CO-ROAN AND
TAVAPUTS PLATEAUS CO-
313 PM MDT TUE JUL 19 2011

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL RIO BLANCO AND EXTREME
SOUTHERN MOFFAT COUNTIES UNTIL 400 PM MDT...

AT 311 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 8 MILES SOUTHEAST OF RANGELY...OR 53 MILES
SOUTHEAST OF NAPLES...MOVING NORTHEAST AT 20 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4027 10845 4001 10824 3989 10870 4011 10880

Local storm report, Jul 19, 5:03 PM MDT, 3 hours 27 minutes before

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Local storm report, Jul 19, 5:54 PM MDT, 2 hours 36 minutes before

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Local storm report, Jul 19, 6:23 PM MDT, 2 hours 7 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 20, 1:53 PM MDT	Areal Flood Advisory	GJT	Uintah	3 hr

Nearby

Severe Thunderstorm Warnings in Utah, 2011 Every severe thunderstorm warning in 2011

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.