Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 229, NWS Goodland, KS

August 15, 2009Graham County, Norton County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 15, 2009, 10:36 PM CDT for Graham County, Norton County, Kansas. It was in force for 54 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
Aug 15, 2009, 10:36 PM CDT (03:36 UTC)
Expired
Aug 15, 2009, 11:30 PM CDT
In force
54 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon

Counties Graham County, KS, Norton County, KS

The radar

The Grand Island radar (KUEX), 149 km from the middle of the area, began a volume at 03:39 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 Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 15, 3:00 PM CDT, 7 hours 36 minutes earlier.

Area forecast discussion, Aug 15, 3:00 PM CDT, 7 hours 36 minutes before
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Hazardous weather outlook, Aug 15, 11:53 AM CDT, 10 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1053 AM MDT SAT AUG 15 2009

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-161200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1053 AM MDT SAT AUG 15 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST
NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO.

.DAY ONE...TODAY AND TONIGHT

WIDELY SCATTERED THUNDERSTORMS WILL DEVELOP OVER NORTHEAST COLORADO
THIS AFTERNOON AND SPREAD EAST IMPACTING LOCATIONS NORTH OF
INTERSTATE 70 THROUGH THE EVENING HOURS. SOME OF THE STORMS MAY BECOME
SEVERE WITH LARGE HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

WIDELY SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL REMAIN
POSSIBLE THROUGH THE MIDDLE OF THE WEEK. LOW PROBABILITIES FOR
SEVERE THUNDERSTORMS WILL REMAIN POSSIBLE THROUGH THE PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED ALONG AND NORTH OF HIGHWAY 36
THROUGH THIS EVENING.

The office that day

Everything else NWS Goodland, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 15, 7:11 PM CDTSevere Thunderstorm WarningGLDCheyenne, Sherman64 min
Aug 15, 8:03 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins28 min
Aug 15, 8:07 PM CDTSevere Thunderstorm WarningGLDSherman, Thomas53 min
Aug 15, 8:29 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins39 min
Aug 15, 8:40 PM CDTFlash Flood WarningGLDSherman, Thomas3 hr
Aug 15, 8:53 PM CDTSevere Thunderstorm WarningGLDThomas34 min
Aug 15, 9:21 PM CDTSevere Thunderstorm WarningGLDSheridan, Thomas54 min
Aug 15, 9:52 PM CDTSevere Thunderstorm WarningGLDDecatur24 min
Aug 15, 10:08 PM CDTSevere Thunderstorm WarningGLDDecatur, Graham, Norton, Sheridan32 min
Aug 15, 11:38 PM CDTFlash Flood WarningGLDDecatur, Norton, Rawlins3 hr
Aug 15, 11:45 PM CDTAreal Flood WarningGLDSherman, Thomas7 hr
Aug 16, 12:13 AM CDTAreal Flood WarningGLDRawlins8 hr
Aug 16, 2:31 AM CDTAreal Flood WarningGLDDecatur, Norton6 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 2009Every severe thunderstorm warning in 2009

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.