Alert archive / Colorado / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 220, NWS Goodland, KS

July 9, 2014Yuma County, Colorado

NWS Goodland, KS issued this severe thunderstorm warning at Jul 9, 2014, 6:59 PM MDT for Yuma County, Colorado. 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: Jul 9, 2014, 6:59 PM MDT (00:59 UTC)
Expired: Jul 9, 2014, 7:45 PM MDT
In force: 46 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 01:01 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, 4:42 PM MDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Denver, CO (KDEN), launched 00:00Z, 1.0 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: 1 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 3778 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 92 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, 5:43 PM MDT, 1 hour 16 minutes earlier.

Area forecast discussion, Jul 9, 5:43 PM MDT, 1 hour 16 minutes before

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Hazardous weather outlook, Jul 9, 5:52 PM MDT, 1 hour 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GOODLAND KS
552 PM MDT WED JUL 9 2014

COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-101315-
YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-
SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA-
DUNDY-HITCHCOCK-RED WILLOW-
552 PM MDT WED JUL 9 2014 /652 PM CDT WED JUL 9 2014/

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

.DAY ONE...TONIGHT

STRONG TO SEVERE THUNDERSTORMS ARE EXPECTED TO MOVE THROUGH THE
REGION THIS EVENING INTO TONIGHT. SOME STORMS WILL BE SEVERE WITH
LARGE HAIL UP TO TWO INCHES IN DIAMETER AND DAMAGING WINDS UP TO
70 MPH POSSIBLE.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THUNDERSTORMS ARE POSSIBLE EACH DAY THROUGH THE REMAINDER OF THE
FORECAST PERIOD. WIDESPREAD SEVERE WEATHER DURING THIS PERIOD IS
NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE REQUIRED.

In the hours before

Special weather statement, Jul 9, 6:31 PM MDT, 28 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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Local storm report, Jul 9, 6:45 PM MDT, 14 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 9, 8:18 PM MDT	Special Weather Statement	GLD	Sherman	57 min
Jul 9, 8:52 PM MDT	Severe Thunderstorm Warning	GLD	Sherman, Wallace	53 min
Jul 9, 9:47 PM MDT	Special Weather Statement	GLD	Greeley, Wallace, Wichita	58 min
Jul 9, 10:43 PM MDT	Special Weather Statement	GLD	Greeley, Wichita	32 min
Jul 9, 10:55 PM MDT	Special Weather Statement	GLD	Sheridan	35 min
Jul 9, 11:02 PM MDT	Severe Thunderstorm Warning	GLD	Decatur, Rawlins	58 min
Jul 9, 11:14 PM MDT	Severe Thunderstorm Warning	GLD	Decatur, Graham, Norton, Sheridan	61 min
Jul 9, 11:52 PM MDT	Severe Thunderstorm Warning	GLD	Decatur	34 min
Jul 10, 12:08 AM MDT	Special Weather Statement	GLD	Graham, Norton	67 min
Jul 9, 6:31 PM MDT	Special Weather Statement	GLD	Yuma	29 min
Jul 9, 7:49 PM MDT	Special Weather Statement	GLD	Kit Carson, Yuma	41 min
Jul 9, 8:30 PM MDT	Special Weather Statement	GLD	Cheyenne	30 min
Jul 9, 8:33 PM MDT	Special Weather Statement	GLD	Kit Carson	57 min
Jul 9, 7:30 PM MDT	Special Weather Statement	GLD	Red Willow	60 min
Jul 9, 10:45 PM MDT	Special Weather Statement	GLD	Hitchcock	15 min
Jul 10, 12:28 AM MDT	Special Weather Statement	GLD	Red Willow	47 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.