Alert archive / Kansas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 237, NWS Goodland, KS

July 9, 2013Graham County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Jul 9, 2013, 6:48 PM CDT for Graham County, Kansas. It was in force for 57 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 9, 2013, 6:48 PM CDT (23:48 UTC)
Expired: Jul 9, 2013, 7:45 PM CDT
In force: 57 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Graham County, KS

The radar

The Goodland radar (KGLD), 156 km from the middle of the area, began a volume at 23:51 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 9, 6:40 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.8 hours before the alert went out and 207 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: 1970 J/kg
Mixed-layer CIN: -253 J/kg
Mixed-layer LCL: 1534 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 9, 6:19 PM CDT, 29 minutes earlier.

Area forecast discussion, Jul 9, 6:19 PM CDT, 29 minutes before

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Hazardous weather outlook, Jul 9, 6:48 PM CDT, 0 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
548 PM MDT TUE JUL 9 2013

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-101245-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
548 PM MDT TUE JUL 9 2013 /648 PM CDT TUE JUL 9 2013/

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

.DAY ONE...TONIGHT

THUNDERSTORMS HAVE DEVELOPED THIS AFTERNOON ALONG AND EAST OF A
LINE FROM OBERLIN TO TRIBUNE KANSAS. A FEW STORMS WILL BE SEVERE
WITH HAIL UP TO THE SIZE OF QUARTERS AND DAMAGING WINDS AS THE
MAIN THREATS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

STRONG TO SEVERE THUNDERSTORMS MAY DEVELOP WEDNESDAY AFTERNOON
AND EVENING SOUTHWEST OF A YUMA COLORADO TO GOVE KANSAS LINE.
LARGE HAIL...DAMAGING WINDS AND HEAVY RAINFALL WILL BE THE
PRIMARY
THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE REQUIRED THIS EVENING EAST OF A MCCOOK
NEBRASKA TO GOVE KANSAS LINE.

In the hours before

Local storm report, Jul 9, 4:44 PM CDT, 2 hours 4 minutes before

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Local storm report, Jul 9, 4:50 PM CDT, 1 hour 58 minutes before

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Special weather statement, Jul 9, 4:52 PM CDT, 1 hour 56 minutes before

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Local storm report, Jul 9, 5:26 PM CDT, 1 hour 22 minutes before

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Special weather statement, Jul 9, 5:47 PM CDT, 1 hour 1 minute before

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Local storm report, Jul 9, 6:38 PM CDT, 10 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 8, 7:15 PM CDT	Special Weather Statement	GLD	Greeley	30 min
Jul 9, 3:42 AM CDT	Heat Advisory	GLD	Gove, Graham, Logan, Norton, Sheridan	15 hr
Jul 9, 3:16 PM CDT	Special Weather Statement	GLD	Logan	29 min
Jul 9, 3:24 PM CDT	Special Weather Statement	GLD	Logan	36 min
Jul 9, 3:31 PM CDT	Special Weather Statement	GLD	Logan	29 min
Jul 9, 3:36 PM CDT	Severe Thunderstorm Warning	GLD	Logan	54 min
Jul 9, 4:26 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	64 min
Jul 9, 4:35 PM CDT	Severe Thunderstorm Warning	GLD	Logan	55 min
Jul 9, 4:52 PM CDT	Special Weather Statement	GLD	Sherman	38 min
Jul 9, 5:26 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan, Sheridan, Thomas	64 min
Jul 9, 5:30 PM CDT	Severe Thunderstorm Warning	GLD	Gove, Logan	60 min
Jul 9, 5:47 PM CDT	Special Weather Statement	GLD	Sheridan	28 min
Jul 9, 6:14 PM CDT	Severe Thunderstorm Warning	GLD	Decatur, Graham, Norton, Sheridan	61 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2013 Every severe thunderstorm warning in 2013

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.