Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 143, NWS Amarillo, TX

August 3, 2013Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 3, 2013, 7:16 PM CDT for Cimarron County, Oklahoma. It was in force for 44 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 3, 2013, 7:16 PM CDT (00:16 UTC)
Expired
Aug 3, 2013, 8:00 PM CDT
In force
44 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 183 km from the middle of the area, began a volume at 00:20 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.

IssuedProductOfficeLasted
Aug 3, 3:40 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.3 hours before the alert went out and 184 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-pSkew-T log-p diagram, Amarillo Airport, TX at 00:00Z on 2013-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 00:00Z on 2013-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
17 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
3273 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
4 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.

In the hours before

Special weather statement, Aug 3, 7:04 PM CDT, 12 minutes before
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The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 7:24 PM CDTSpecial Weather StatementAMARoberts66 min
Aug 3, 7:37 PM CDTSpecial Weather StatementAMADallam68 min
Aug 3, 7:48 PM CDTSpecial Weather StatementAMASherman57 min
Aug 3, 8:22 PM CDTAreal Flood AdvisoryAMADallam4 hr
Aug 3, 9:14 PM CDTSpecial Weather StatementAMAOchiltree61 min
Aug 3, 7:04 PM CDTSpecial Weather StatementAMACimarron56 min
Aug 3, 8:52 PM CDTAreal Flood AdvisoryAMACimarron, Texas4 hr
Aug 3, 9:07 PM CDTSpecial Weather StatementAMABeaver53 min
Aug 4, 12:45 AM CDTRiver Flood WarningAMACimarron5 hr
Aug 4, 6:06 PM CDTSpecial Weather StatementAMABeaver24 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2013Every 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.