Alert archive / Kansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 263, NWS Goodland, KS

August 4, 2010Sherman County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 4, 2010, 12:58 AM MDT for Sherman County, Kansas. It was in force for 31 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 4, 2010, 12:58 AM MDT (06:58 UTC)
Expired
Aug 4, 2010, 1:29 AM MDT
In force
31 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
0.5 in
Wind
60.0 mph

County Sherman County, KS

The radar

The Goodland radar (KGLD), 2 km from the middle of the area, began a volume at 07:00 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.0 hours before the alert went out and 219 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2010-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2208 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2010-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2208 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1228 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.7
Supercell composite
5.5

Open this sounding in Storm Lab

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 3, 10:35 PM MDT, 2 hours 23 minutes earlier.

Area forecast discussion, Aug 3, 10:35 PM MDT, 2 hours 23 minutes before
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Hazardous weather outlook, Aug 3, 10:50 AM MDT, 14 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1050 AM MDT TUE AUG 3 2010

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-041200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1050 AM MDT TUE AUG 3 2010 /1150 AM CDT TUE AUG 3 2010/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH
TONIGHT AS ANOTHER WEATHER DISTURBANCE MOVES ACROSS THE AREA.
WHILE WIDESPREAD SEVERE WEATHER IS NOT EXPECTED...A FEW STORMS MAY
PRODUCE HAIL APPROACHING ONE INCH IN DIAMETER AND WIND GUSTS TO 60
MPH. THE PRIMARY THREAT WILL BE VERY HEAVY RAINFALL AND FLASH
FLOODING FROM THE STRONGEST STORMS...GENERALLY NORTH OF A LINE
FROM KIT CARSON COLORADO TO COLBY AND NORTON KANSAS.

AREAS THAT RECEIVED HEAVY RAINFALL YESTERDAY AND LAST NIGHT WILL
BE ESPECIALLY VULNERABLE TO FLASH FLOODING AS TODAY AND TONIGHTS
ACTIVITY WILL GENERALLY MOVE OVER THOSE SAME AREAS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

MORE THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY AND THURSDAY. THE
THREAT FOR WIDESPREAD SEVERE WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED. HOWEVER...REPORTS OF HEAVY
RAINFALL AND FLASH FLOODING WOULD BE APPRECIATED.

07

In the hours before

Local storm report, Aug 3, 10:05 PM MDT, 2 hours 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
1005 PM MDT TUE AUG 03 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0957 PM     TSTM WND GST     8 S CULBERTSON          40.11N 100.84W
08/03/2010  M85 MPH          HITCHCOCK          NE   TRAINED SPOTTER

            WAS ALSO RECEIVING PEA SIZE HAIL AT THE SAME TIME

&&

MBULLER
Local storm report, Aug 3, 10:25 PM MDT, 2 hours 33 minutes before
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Local storm report, Aug 3, 10:35 PM MDT, 2 hours 23 minutes before
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Special weather statement, Aug 4, 12:27 AM MDT, 31 minutes before
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Special weather statement, Aug 4, 12:29 AM MDT, 29 minutes before
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Special weather statement, Aug 4, 12:30 AM MDT, 28 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 8:00 PM MDTSpecial Weather StatementGLDGraham30 min
Aug 3, 8:16 PM MDTSevere Thunderstorm WarningGLDGraham59 min
Aug 3, 9:42 PM MDTSevere Thunderstorm WarningGLDRawlins63 min
Aug 3, 10:01 PM MDTSevere Thunderstorm WarningGLDDecatur, Rawlins59 min
Aug 3, 10:15 PM MDTTornado WarningGLDDecatur, Rawlins27 min
Aug 3, 10:47 PM MDTSevere Thunderstorm WarningGLDCheyenne, Rawlins58 min
Aug 4, 12:27 AM MDTSpecial Weather StatementGLDSherman33 min
Aug 4, 12:29 AM MDTSpecial Weather StatementGLDWallace31 min
Aug 4, 12:33 AM MDTSevere Thunderstorm WarningGLDWallace57 min
Aug 4, 1:05 AM MDTSpecial Weather StatementGLDCheyenne25 min
Aug 4, 1:31 AM MDTSpecial Weather StatementGLDThomas29 min
Aug 3, 7:38 PM MDTSpecial Weather StatementGLDYuma37 min
Aug 4, 12:30 AM MDTSpecial Weather StatementGLDKit Carson30 min
Aug 3, 7:31 PM MDTSpecial Weather StatementGLDDundy29 min
Aug 3, 8:29 PM MDTSpecial Weather StatementGLDDundy31 min
Aug 3, 8:39 PM MDTSevere Thunderstorm WarningGLDDundy, Hitchcock66 min
Aug 3, 8:46 PM MDTTornado WarningGLDDundy, Hitchcock43 min
Aug 3, 9:14 PM MDTTornado WarningGLDHitchcock15 min
Aug 3, 9:58 PM MDTFlash Flood WarningGLDHitchcock3 hr
Aug 3, 10:33 PM MDTSevere Thunderstorm WarningGLDRed Willow35 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2010Every severe thunderstorm warning in 2010

Sources

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