Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 116, NWS Amarillo, TX

June 18, 2013Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 18, 2013, 10:39 PM CDT for Texas County, Oklahoma. It was in force for 66 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 18, 2013, 10:39 PM CDT (03:39 UTC)
Expired
Jun 18, 2013, 11:45 PM CDT
In force
66 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon

County Texas County, OK

The radar

The Amarillo radar (KAMA), 170 km from the middle of the area, began a volume at 03:40 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 3.7 hours before the alert went out and 170 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 2013-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 559 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 2013-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 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
559 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
1935 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 18, 9:53 PM CDT, 46 minutes earlier.

Area forecast discussion, Jun 18, 9:53 PM CDT, 46 minutes before
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Hazardous weather outlook, Jun 18, 3:31 PM CDT, 7 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
331 PM CDT TUE JUN 18 2013

OKZ001>003-TXZ001>020-191115-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
331 PM CDT TUE JUN 18 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...TONIGHT.

THUNDERSTORMS...SOME OF WHICH COULD BE SEVERE...ARE POSSIBLE ACROSS
THE OKLAHOMA AND TEXAS PANHANDLES TONIGHT. THE PRIMARY HAZARDS WILL
BE LARGE HAIL UP TO THE SIZE OF GOLF BALLS...STRONG WINDS TO 70
MPH...AND HEAVY RAIN LEADING TO LOCALIZED FLASH FLOODING.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

THUNDERSTORMS...SOME OF WHICH COULD BE MARGINALLY SEVERE...ARE
POSSIBLE TOMORROW AFTERNOON IN THE FAR EASTERN PANHANDLES. THE
PRIMARY HAZARDS WILL BE HAIL TO THE SIZE QUARTERS...AND HEAVY RAIN
LEADING TO LOCALIZED FLASH FLOODING.

THUNDERSTORMS WILL ALSO BE POSSIBLE ACROSS MUCH OF THE PANHANDLES
THURSDAY AFTERNOON...AND ACROSS THE WESTERN PANHANDLES THURSDAY NIGHT
AND FRIDAY NIGHT. A FEW OF THESE STORMS COULD BE SEVERE WITH LARGE
HAIL AND STRONG WINDS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TONIGHT.

JOHNSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 10:46 PM CDTSevere Thunderstorm WarningAMADallam, Hartley59 min
Jun 18, 11:31 PM CDTSpecial Weather StatementAMASherman44 min
Jun 18, 11:40 PM CDTSevere Thunderstorm WarningAMAHansford, Sherman65 min
Jun 18, 11:45 PM CDTSevere Thunderstorm WarningAMAHartley, Oldham60 min
Jun 19, 12:42 AM CDTSevere Thunderstorm WarningAMAHartley, Oldham63 min
Jun 19, 1:36 AM CDTSpecial Weather StatementAMAPotter24 min
Jun 19, 4:33 AM CDTSpecial Weather StatementAMALipscomb42 min
Jun 19, 4:44 AM CDTSpecial Weather StatementAMAHansford46 min
Jun 19, 4:57 AM CDTAreal Flood AdvisoryAMAHansford, Lipscomb, Ochiltree3 hr
Jun 19, 5:12 AM CDTSpecial Weather StatementAMAHutchinson48 min
Jun 19, 5:58 AM CDTSpecial Weather StatementAMACarson, Gray47 min
Jun 19, 6:16 AM CDTSevere Thunderstorm WarningAMACarson, Donley, Gray, Hutchinson, Roberts, Wheeler59 min
Jun 19, 6:33 AM CDTSpecial Weather StatementAMAHutchinson27 min
Jun 19, 6:35 AM CDTSpecial Weather StatementAMAHansford25 min
Jun 19, 7:05 AM CDTSpecial Weather StatementAMADonley55 min
Jun 19, 7:20 AM CDTAreal Flood AdvisoryAMACarson, Gray, Hutchinson3 hr
Jun 19, 7:45 AM CDTSpecial Weather StatementAMADonley60 min
Jun 19, 8:03 AM CDTSpecial Weather StatementAMACarson57 min
Jun 19, 8:14 AM CDTSpecial Weather StatementAMADonley31 min
Jun 19, 8:20 AM CDTAreal Flood AdvisoryAMAArmstrong, Donley4 hr
Jun 19, 8:22 AM CDTFlash Flood WarningAMADonley4 hr
Jun 19, 8:38 AM CDTFlash Flood WarningAMACarson4 hr
Jun 19, 8:45 AM CDTSpecial Weather StatementAMAArmstrong30 min
Jun 19, 8:51 AM CDTFlash Flood WarningAMAArmstrong4 hr
Jun 19, 9:10 AM CDTSpecial Weather StatementAMAArmstrong35 min
Jun 19, 9:23 AM CDTAreal Flood AdvisoryAMAPotter, Randall3 hr
Jun 19, 6:26 PM CDTSpecial Weather StatementAMAOldham64 min
Jun 18, 11:48 PM CDTSpecial Weather StatementAMATexas42 min
Jun 19, 12:34 AM CDTSpecial Weather StatementAMATexas41 min
Jun 19, 12:46 AM CDTSevere Thunderstorm WarningAMABeaver, Texas59 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.