Alert archive / Kansas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 124, NWS Goodland, KS

July 17, 2009Rawlins County, Kansas; Hitchcock County, Nebraska

NWS Goodland, KS issued this severe thunderstorm warning at Jul 17, 2009, 1:07 PM CDT for Rawlins County, Kansas; Hitchcock County, Nebraska. It was in force for 53 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 17, 2009, 1:07 PM CDT (18:07 UTC)
Expired: Jul 17, 2009, 2:00 PM CDT
In force: 53 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon

Counties Rawlins County, KS, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 88 km from the middle of the area, began a volume at 18:07 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.

Issued	Product	Office	Lasted
Jul 17, 11:40 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 6.1 hours before the alert went out and 134 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 11 J/kg
Mixed-layer CIN: -268 J/kg
Mixed-layer LCL: 983 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 118 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 Jul 17, 12:43 PM CDT, 24 minutes earlier.

Area forecast discussion, Jul 17, 12:43 PM CDT, 24 minutes before

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Hazardous weather outlook, Jul 17, 11:40 AM CDT, 1 hour 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1040 AM MDT FRI JUL 17 2009

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-181500-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1040 AM MDT FRI JUL 17 2009 /1140 AM CDT FRI JUL 17 2009/

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

.DAY ONE...TODAY AND TONIGHT

SCATTERED TO NUMEROUS THUNDERSTORMS WILL BE POSSIBLE THROUGH THE
AFTERNOON HOURS. SOME THUNDERSTORMS MAY BE SEVERE...WITH LARGE HAIL
AND DAMAGING WINDS THE PRIMARY THREATS.

THUNDERSTORMS ARE EXPECTED TO REDEVELOP AFTER MIDNIGHT
TONIGHT...PRIMARILY IN WESTERN AREAS. LARGE HAIL MAY ACCOMPANY ANY
THUNDERSTORM TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THUNDERSTORMS CHANCES WILL CONTINUE SATURDAY THROUGH THURSDAY. THE
BEST CHANCES FOR THUNDERSTORMS WILL OCCUR SATURDAY MORNING AND AGAIN
ON MONDAY...AND A FEW OF THOSE MAY BE SEVERE WITH LARGE HAIL AND
DAMAGING WINDS. OTHERWISE...STORMS WILL BE WIDELY SCATTERED AND
OCCUR MAINLY IN THE AFTERNOON AND EVENING HOURS...WITH THE PRIMARY
HAZARD BEING LIGHTNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED TODAY AND TONIGHT.

024

In the hours before

Local storm report, Jul 17, 8:01 AM CDT, 5 hours 6 minutes before

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Local storm report, Jul 17, 8:25 AM CDT, 4 hours 42 minutes before

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Special weather statement, Jul 17, 8:52 AM CDT, 4 hours 15 minutes before

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Special weather statement, Jul 17, 9:31 AM CDT, 3 hours 36 minutes before

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Local storm report, Jul 17, 12:33 PM CDT, 34 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 1:52 PM CDT	Severe Thunderstorm Warning	GLD	Thomas	68 min
Jul 17, 2:39 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	66 min
Jul 17, 2:47 PM CDT	Severe Thunderstorm Warning	GLD	Logan	58 min
Jul 17, 3:28 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Sherman	62 min
Jul 17, 3:49 PM CDT	Severe Thunderstorm Warning	GLD	Sherman, Thomas	37 min
Jul 17, 4:21 PM CDT	Severe Thunderstorm Warning	GLD	Logan	18 min
Jul 17, 3:12 PM CDT	Severe Thunderstorm Warning	GLD	Yuma	63 min
Jul 17, 3:53 PM CDT	Severe Thunderstorm Warning	GLD	Yuma	57 min
Jul 17, 3:55 PM CDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	65 min
Jul 17, 4:11 PM CDT	Severe Thunderstorm Warning	GLD	Kit Carson	64 min
Jul 17, 4:30 PM CDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	51 min
Jul 17, 5:01 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	59 min
Jul 17, 5:31 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	37 min
Jul 17, 6:16 PM CDT	Severe Thunderstorm Warning	GLD	Yuma	59 min
Jul 17, 6:42 PM CDT	Severe Thunderstorm Warning	GLD	Yuma	48 min
Jul 17, 12:08 PM CDT	Severe Thunderstorm Warning	GLD	Hitchcock	67 min
Jul 17, 1:22 PM CDT	Severe Thunderstorm Warning	GLD	Dundy	53 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2009 Severe Thunderstorm Warnings in Nebraska, 2009 Every 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.