Alert archive / Colorado / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 292, NWS Goodland, KS

August 14, 2013Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Aug 14, 2013, 8:40 PM MDT for Yuma County, Colorado. It was in force for 65 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 14, 2013, 8:40 PM MDT (02:40 UTC)
Expired: Aug 14, 2013, 9:45 PM MDT
In force: 65 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

County Yuma County, CO

The radar

The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 02:40 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, 2.7 hours before the alert went out and 70 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: 87 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 3084 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: 109 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.6

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 14, 6:36 PM MDT, 2 hours 4 minutes earlier.

Area forecast discussion, Aug 14, 6:36 PM MDT, 2 hours 4 minutes before

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Hazardous weather outlook, Aug 14, 10:20 AM MDT, 10 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1020 AM MDT WED AUG 14 2013

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-151200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1020 AM MDT WED AUG 14 2013 /1120 AM CDT WED AUG 14 2013/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS THE TRI-STATE AREA
THROUGH THIS EVENING. WIDESPREAD SEVERE STORMS ARE NOT EXPECTED...
BUT LOCALIZED HEAVY RAINFALL COULD LEAD TO SOME FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE POSSIBILITY OF THUNDERSTORMS WILL CONTINUE ACROSS THE REGION
THROUGH THURSDAY NIGHT. THERE IS A SLIGHT CHANCE OF STORMS
BECOMING SEVERE ACROSS WESTERN KANSAS AND SOUTHWEST NEBRASKA
THURSDAY AFTERNOON AND EVENING WITH THE MAIN THREAT BEING LARGE
HAIL AND DAMAGING WINDS.

THE POSSIBILITY OF ISOLATED THUNDERSTORMS EACH DAY WILL RETURN
SUNDAY NIGHT AND WILL CONTINUE EACH DAY THROUGH THE MIDDLE OF
NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH TONIGHT...THOUGH
RAINFALL REPORTS ARE APPRECIATED.

In the hours before

Special weather statement, Aug 14, 2:51 PM MDT, 5 hours 49 minutes before

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Special weather statement, Aug 14, 3:47 PM MDT, 4 hours 53 minutes before

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Local storm report, Aug 14, 4:20 PM MDT, 4 hours 20 minutes before

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Local storm report, Aug 14, 8:11 PM MDT, 29 minutes before

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Special weather statement, Aug 14, 8:24 PM MDT, 16 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 14, 8:06 PM MDT	Areal Flood Warning	GLD	Greeley	3 hr
Aug 14, 9:44 PM MDT	Special Weather Statement	GLD	Cheyenne	31 min
Aug 14, 10:16 PM MDT	Special Weather Statement	GLD	Cheyenne, Sherman	29 min
Aug 14, 10:41 PM MDT	Special Weather Statement	GLD	Sherman	34 min
Aug 14, 11:25 PM MDT	Special Weather Statement	GLD	Logan, Sherman, Wallace	65 min
Aug 15, 4:23 PM MDT	Special Weather Statement	GLD	Thomas	37 min
Aug 15, 4:38 PM MDT	Severe Thunderstorm Warning	GLD	Thomas	67 min
Aug 15, 5:12 PM MDT	Severe Thunderstorm Warning	GLD	Logan, Thomas	63 min
Aug 15, 5:17 PM MDT	Special Weather Statement	GLD	Graham	28 min
Aug 15, 5:25 PM MDT	Special Weather Statement	GLD	Rawlins	35 min
Aug 14, 8:24 PM MDT	Special Weather Statement	GLD	Yuma	51 min
Aug 15, 3:28 PM MDT	Special Weather Statement	GLD	Red Willow	32 min
Aug 15, 4:35 PM MDT	Special Weather Statement	GLD	Dundy	25 min

Nearby

Severe Thunderstorm Warnings in Colorado, 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.