Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 22, NWS Goodland, KS

May 8, 20095 counties in Kansas

NWS Goodland, KS issued this severe thunderstorm warning at May 8, 2009, 12:29 AM CDT for 5 counties in Kansas. It was in force for 37 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
May 8, 2009, 12:29 AM CDT (05:29 UTC)
Expired
May 8, 2009, 1:06 AM CDT
In force
37 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon

Counties Gove County, KS, Graham County, KS, Logan County, KS, Sheridan County, KS, Thomas County, KS

The radar

The Goodland radar (KGLD), 97 km from the middle of the area, began a volume at 05:32 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 7, 11:13 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 5.5 hours before the alert went out and 168 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, Dodge City, at 00:00Z on 2009-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dodge City, at 00:00Z on 2009-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 square meters per square second.1939587897Sfc1 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
13 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
2434 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
354 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 May 7, 11:44 PM CDT, 45 minutes earlier.

Area forecast discussion, May 7, 11:44 PM CDT, 45 minutes before
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Hazardous weather outlook, May 7, 10:33 PM CDT, 1 hour 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
933 PM MDT THU MAY 7 2009

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-091330-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
933 PM MDT THU MAY 7 2009 /1033 PM CDT THU MAY 7 2009/

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

.DAY ONE...TONIGHT

SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP AND DRIFT TO THE
SOUTHEAST ACROSS MUCH OF THE AREA OVERNIGHT. A FEW STORMS MAY
BECOME SEVERE AND PRODUCE LARGE HAIL. THUNDERSTORMS ARE EXPECTED
TO END AFTER 3 AM MDT (4 AM CDT).

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

ISOLATED THUNDERSTORMS ARE POSSIBLE FRIDAY NIGHT WITH SCATTERED
THUNDERSTORMS EXPECTED SATURDAY NIGHT AND SUNDAY. WHILE SEVERE
THUNDERSTORMS ARE NOT ANTICIPATED...ANY THUNDERSTORMS THAT DO
DEVELOP WILL PRODUCE CLOUD TO GROUND LIGHTNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED OVERNIGHT.

In the hours before

Local storm report, May 7, 11:19 PM CDT, 1 hour 10 minutes before
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Local storm report, May 7, 11:38 PM CDT, 51 minutes before
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Local storm report, May 8, 12:16 AM CDT, 13 minutes before
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Local storm report, May 8, 12:18 AM CDT, 11 minutes before
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Special weather statement, May 8, 12:24 AM CDT, 5 minutes before
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Local storm report, May 8, 12:29 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 10:57 PM CDTSevere Thunderstorm WarningGLDCheyenne, Sherman, Thomas48 min
May 7, 11:29 PM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins, Sherman, Thomas61 min
May 7, 11:46 PM CDTSevere Thunderstorm WarningGLDSherman, Thomas44 min
May 8, 12:06 AM CDTSevere Thunderstorm WarningGLDGove, Logan, Sheridan, Thomas54 min
May 8, 12:35 AM CDTSevere Thunderstorm WarningGLDCheyenne, Rawlins20 min
May 8, 12:55 AM CDTSevere Thunderstorm WarningGLDGove, Greeley, Logan, Wallace, Wichita40 min
May 8, 1:31 AM CDTSevere Thunderstorm WarningGLDWichita39 min
May 7, 11:50 PM CDTSevere Thunderstorm WarningGLDYuma55 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.