Alert archive / Kansas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 339, NWS Goodland, KS

September 29, 2014Decatur County, Rawlins County, Kansas; Hitchcock County, Red Willow County, Nebraska

NWS Goodland, KS issued this severe thunderstorm warning at Sep 29, 2014, 10:08 PM CDT for Decatur County, Rawlins County, Kansas; Hitchcock County, Red Willow County, Nebraska. 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
Sep 29, 2014, 10:08 PM CDT (03:08 UTC)
Expired
Sep 29, 2014, 10:45 PM CDT
In force
37 min
Issued by
NWS Goodland, KS
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 mph

Counties Decatur County, KS, Rawlins County, KS, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 105 km from the middle of the area, began a volume at 03:10 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

Denver, CO (KDEN), launched 00:00Z, 3.1 hours before the alert went out and 211 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, Denver, CO at 00:00Z on 2014-09-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2014-09-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -165 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
933 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
-165 m²/s²
0-3 km storm-relative helicity
-86 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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 Sep 29, 9:58 PM CDT, 10 minutes earlier.

Area forecast discussion, Sep 29, 9:58 PM CDT, 10 minutes before
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Hazardous weather outlook, Sep 29, 6:17 PM CDT, 3 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
517 PM MDT MON SEP 29 2014

KSZ002>004-014>016-028-029-042-NEZ080-081-302330-
RAWLINS-DECATUR-NORTON-THOMAS-SHERIDAN-GRAHAM-LOGAN-GOVE-WICHITA-
HITCHCOCK-RED WILLOW-
517 PM MDT MON SEP 29 2014

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

.DAY ONE...TONIGHT

THUNDERSTORMS WILL MOVE ACROSS THE ENTIRE AREA DURING THE LATE EVENING
AND OVERNIGHT HOURS. SOME OF THESE STORMS COULD BECOME SEVERE WITH
LARGE HAIL...DAMAGING WINDS. LOCALLY HEAVY RAINFALL WILL ALSO BE
POSSIBLE WITH THESE STORMS.

AT THIS TIME THE GREATEST THREAT FOR SEVERE WEATHER WILL BE ROUGHLY
ALONG AND WEST OF A LINE FROM TRIBUNE TO COLBY TO CULBERTSON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUIRED.

COZ090>092-KSZ001-013-027-041-NEZ079-302330-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-SHERMAN-WALLACE-GREELEY-
DUNDY-
517 PM MDT MON SEP 29 2014

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

.DAY ONE...TONIGHT

...A TORNADO WATCH IS IN EFFECT UNTIL 900 PM MDT/1000 PM CDT...
...A WIND ADVISORY IS IN EFFECT UNTIL 900 PM MDT/1000 PM CDT...

FOR COUNTIES ALONG THE COLORADO BORDER...SOUTHERLY WINDS WILL
REMAIN INTO THE 25 TO 35 MPH RANGE...WITH GUSTS TO NEAR 45 MPH FOR
THE EVENING HOURS.

THUNDERSTORMS WILL MOVE OVER EASTERN COLORADO...AND THEN ACROSS
THE ENTIRE AREA DURING THE EVENING AND OVERNIGHT HOURS. SOME OF
THESE STORMS COULD BECOME SEVERE WITH LARGE HAIL... DAMAGING
WINDS. LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE WITH THESE
STORMS.

AT THIS TIME THE GREATEST THREAT FOR SEVERE WEATHER WILL BE ROUGHLY
ALONG AND WEST OF A LINE FROM TRIBUNE TO COLBY TO CULBERTSON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUIRED.

In the hours before

Local storm report, Sep 29, 8:46 PM CDT, 1 hour 22 minutes before
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Local storm report, Sep 29, 8:56 PM CDT, 1 hour 12 minutes before
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Special weather statement, Sep 29, 9:04 PM CDT, 1 hour 4 minutes before
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Special weather statement, Sep 29, 9:12 PM CDT, 56 minutes before
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Local storm report, Sep 29, 10:00 PM CDT, 8 minutes before
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Local storm report, Sep 29, 10:02 PM CDT, 6 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 8:10 PM CDTSpecial Weather StatementGLDGreeley, Wallace35 min
Sep 29, 8:17 PM CDTSevere Thunderstorm WarningGLDCheyenne, Sherman58 min
Sep 29, 8:29 PM CDTSevere Thunderstorm WarningGLDGreeley, Logan, Wallace, Wichita35 min
Sep 29, 9:12 PM CDTSpecial Weather StatementGLDCheyenne, Rawlins, Thomas33 min
Sep 29, 7:05 PM CDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson, Yuma55 min
Sep 29, 7:37 PM CDTSevere Thunderstorm WarningGLDCheyenne, Kit Carson, Yuma68 min
Sep 29, 8:00 PM CDTSpecial Weather StatementGLDYuma30 min
Sep 29, 8:12 PM CDTSevere Thunderstorm WarningGLDYuma63 min
Sep 29, 9:28 PM CDTAreal Flood WarningGLDYuma18 hr
Sep 29, 9:04 PM CDTSpecial Weather StatementGLDDundy41 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2014Severe Thunderstorm Warnings in Nebraska, 2014Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.