Alert archive / Colorado / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 111, NWS Goodland, KS

June 21, 2014Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jun 21, 2014, 1:34 AM MDT for Yuma County, Colorado. It was in force for 56 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: Jun 21, 2014, 1:34 AM MDT (07:34 UTC)
Expired: Jun 21, 2014, 2:30 AM MDT
In force: 56 min
Issued by: NWS Goodland, KS
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Yuma County, CO

The radar

The Goodland radar (KGLD), 94 km from the middle of the area, began a volume at 07:35 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, 7.6 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: 26 J/kg
Mixed-layer CIN: -148 J/kg
Mixed-layer LCL: 3203 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 4 m²/s²
0-3 km storm-relative helicity: 100 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 Jun 20, 11:47 PM MDT, 1 hour 47 minutes earlier.

Area forecast discussion, Jun 20, 11:47 PM MDT, 1 hour 47 minutes before

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Hazardous weather outlook, Jun 20, 10:50 AM MDT, 14 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
1050 AM MDT FRI JUN 20 2014

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-211200-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
1050 AM MDT FRI JUN 20 2014 /1150 AM CDT FRI JUN 20 2014/

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

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE TODAY AND TONIGHT ACROSS THE AREA. THE
PRIMARY THREATS WILL BE LARGE HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THERE IS A SLIGHT RISK OF SEVERE WEATHER SATURDAY AFTERNOON AND
EVENING AS A WEATHER DISTURBANCE MOVES THROUGH FROM THE WEST. AN
ORGANIZED SEVERE WEATHER THREAT OF LARGE HAIL AND DAMAGING WINDS
IS POSSIBLE AS THE DISTURBANCE MOVES THROUGH.

THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH THURSDAY. SOME
LOCALLY HEAVY RAIN WILL BE POSSIBLE SUNDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY AND TONIGHT.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 20, 6:08 PM MDT	Special Weather Statement	GLD	Decatur	67 min
Jun 21, 3:46 PM MDT	Special Weather Statement	GLD	Greeley	29 min
Jun 21, 3:59 PM MDT	Severe Thunderstorm Warning	GLD	Greeley, Wallace	46 min
Jun 21, 4:18 PM MDT	Special Weather Statement	GLD	Greeley	27 min
Jun 21, 4:43 PM MDT	Severe Thunderstorm Warning	GLD	Logan, Wallace	34 min
Jun 21, 4:49 PM MDT	Severe Thunderstorm Warning	GLD	Greeley	41 min
Jun 21, 5:29 PM MDT	Severe Thunderstorm Warning	GLD	Greeley	31 min
Jun 21, 5:41 PM MDT	Flash Flood Warning	GLD	Greeley	3 hr
Jun 21, 5:56 PM MDT	Special Weather Statement	GLD	Wichita	34 min
Jun 21, 1:07 AM MDT	Severe Thunderstorm Warning	GLD	Yuma	53 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2014 Every 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.