Alert archive / Kansas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 362, NWS Goodland, KS

August 21, 2015Cheyenne County, Kansas

NWS Goodland, KS issued this severe thunderstorm warning at Aug 21, 2015, 3:44 PM CDT for Cheyenne County, Kansas. It was in force for 46 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 21, 2015, 3:44 PM CDT (20:44 UTC)
Expired: Aug 21, 2015, 4:30 PM CDT
In force: 46 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Cheyenne County, KS

The radar

The Goodland radar (KGLD), 47 km from the middle of the area, began a volume at 20:46 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 12:00Z, 8.7 hours before the alert went out and 128 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3182 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 106 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 Aug 21, 3:41 PM CDT, 3 minutes earlier.

Area forecast discussion, Aug 21, 3:41 PM CDT, 3 minutes before

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Hazardous weather outlook, Aug 21, 11:00 AM CDT, 4 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1000 AM MDT FRI AUG 21 2015

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-221600-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1000 AM MDT FRI AUG 21 2015 /1100 AM CDT FRI AUG 21 2015/

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

.DAY ONE...TODAY AND TONIGHT...

ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS
AFTERNOON ALONG BURLINGTON TO ST. FRANCIS AND BENKELMAN LINE
CORRIDOR. THESE STORMS WILL MOVE SLOWLY EAST ACROSS THE AREA
THROUGH THE AFTERNOON AND EVENING. A FEW OF THESE STORMS WILL
BECOME SEVERE WITH LARGE HAIL UP TO GOLF BALL SIZE AND DAMAGING
WINDS GUSTS UP TO 70 MPH.

DURING THE OVERNIGHT HOURS...SOME FOG COULD REDUCE THE VISIBILITY
BELOW A MILE AT TIMES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY...

FOR SATURDAY...PATCHY FOG WILL END BY MID MORNING. A STRONG COLD
FRONT WILL THROUGH THE AREA ON SATURDAY. THUNDERSTORMS ARE
EXPECTED TO DEVELOP AHEAD OF THIS FRONT WITH A FEW OF THESE STORMS
BECOMING STRONG TO SEVERE.

THE NEXT CHANCE FOR THUNDERSTORMS WILL BE WEDNESDAY NIGHT AND
THURSDAY. AT THIS TIME IT DOES LOOK LIKE A FEW OF THESE STORMS
COULD BECOME SEVERE AND PRODUCE HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED PRIMARILY EAST OF THE COLORADO
BORDER THIS AFTERNOON.

JTL

In the hours before

Local storm report, Aug 21, 1:41 PM CDT, 2 hours 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GOODLAND KS
1241 PM MDT FRI AUG 21 2015

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

1235 PM     HAIL             2 W PARKS               40.04N 101.77W
08/21/2015  M1.00 INCH       DUNDY              NE   TRAINED SPOTTER

&&

TLYNCH

Local storm report, Aug 21, 3:14 PM CDT, 30 minutes before

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Local storm report, Aug 21, 3:19 PM CDT, 25 minutes before

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Local storm report, Aug 21, 3:35 PM CDT, 9 minutes before

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Local storm report, Aug 21, 3:40 PM CDT, 4 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
Aug 21, 1:21 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	54 min
Aug 21, 2:26 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	34 min
Aug 21, 2:44 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	61 min
Aug 21, 3:19 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne	26 min
Aug 21, 3:57 PM CDT	Severe Thunderstorm Warning	GLD	Sherman	33 min
Aug 21, 4:08 PM CDT	Special Weather Statement	GLD	Cheyenne	37 min
Aug 21, 4:26 PM CDT	Severe Thunderstorm Warning	GLD	Rawlins	34 min
Aug 21, 5:27 PM CDT	Special Weather Statement	GLD	Decatur	48 min
Aug 21, 6:01 PM CDT	Severe Thunderstorm Warning	GLD	Wallace	44 min
Aug 21, 5:31 PM CDT	Special Weather Statement	GLD	Kit Carson	29 min
Aug 21, 5:34 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	26 min
Aug 21, 6:31 PM CDT	Flash Flood Warning	GLD	Cheyenne, Kit Carson	3 hr
Aug 21, 6:47 PM CDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	58 min
Aug 21, 1:48 PM CDT	Severe Thunderstorm Warning	GLD	Dundy	27 min
Aug 21, 1:52 PM CDT	Severe Thunderstorm Warning	GLD	Dundy	53 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2015 Every severe thunderstorm warning in 2015

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.