Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 193, NWS Amarillo, TX

June 24, 2018Beaver County, Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 24, 2018, 8:54 PM CDT for Beaver County, 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 24, 2018, 8:54 PM CDT (01:54 UTC)
Expired
Jun 24, 2018, 10:00 PM CDT
In force
66 min
Issued by
NWS Amarillo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Beaver County, OK, Texas County, OK

The radar

The Dodge City radar (KDDC), 144 km from the middle of the area, began a volume at 01:55 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
Jun 24, 8:50 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.9 hours before the alert went out and 149 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, Dodge City, at 00:00Z on 2018-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 565 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, Dodge City, at 00:00Z on 2018-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939587897Sfc1 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
565 J/kg
Mixed-layer CIN
-276 J/kg
Mixed-layer LCL
1417 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
160 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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 24, 6:31 PM CDT, 2 hours 23 minutes earlier.

Area forecast discussion, Jun 24, 6:31 PM CDT, 2 hours 23 minutes before
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Hazardous weather outlook, Jun 24, 2:56 PM CDT, 5 hours 58 minutes before
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In the hours before

Special weather statement, Jun 24, 8:07 PM CDT, 47 minutes before
Special Weather Statement
National Weather Service Amarillo TX
807 PM CDT SUN JUN 24 2018

OKZ001-250200-
Cimarron OK-
807 PM CDT SUN JUN 24 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CIMARRON COUNTY
UNTIL 900 PM CDT...

At 806 PM CDT, Doppler radar was tracking a strong thunderstorm 11
miles north of Seneca, or 23 miles north of Clayton, moving east at
35 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Boise City, Kenton, Wheeless and Black Mesa Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

&&

LAT...LON 3693 10300 3693 10249 3664 10249 3668 10300
TIME...MOT...LOC 0106Z 271DEG 32KT 3679 10314

Guerrero
Special weather statement, Jun 24, 8:44 PM CDT, 10 minutes before
Special Weather Statement
National Weather Service Amarillo TX
844 PM CDT SUN JUN 24 2018

OKZ002-250245-
Texas OK-
844 PM CDT SUN JUN 24 2018

...SIGNIFICANT WEATHER ADVISORY FOR TEXAS COUNTY UNTIL 945 PM CDT...

At 844 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Hough to 10 miles southeast of Eva. Movement
was east at 45 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
these storms.

Locations impacted include...
Guymon, Hooker, Goodwell, Tyrone, Optima, Hardesty, Hough, Baker,
Adams and Eva.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3697 10094 3658 10099 3651 10202 3699 10182
      3700 10107 3700 10094
TIME...MOT...LOC 0144Z 253DEG 37KT 3687 10160 3670 10176

Guerrero

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 9:28 PM CDTSevere Thunderstorm WarningAMAHansford, Ochiltree62 min
Jun 24, 9:36 PM CDTTornado WarningAMAHansford, Ochiltree24 min
Jun 24, 9:49 PM CDTSevere Thunderstorm WarningAMADallam56 min
Jun 24, 10:15 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Ochiltree60 min
Jun 24, 10:30 PM CDTSevere Thunderstorm WarningAMAHansford, Hutchinson, Moore, Ochiltree, Roberts, Sherman60 min
Jun 24, 10:46 PM CDTSevere Thunderstorm WarningAMADallam, Hansford, Hartley, Moore, Sherman74 min
Jun 24, 10:48 PM CDTSevere Thunderstorm WarningAMADallam, Hartley, Oldham57 min
Jun 24, 11:15 PM CDTSevere Thunderstorm WarningAMAHemphill, Lipscomb, Ochiltree60 min
Jun 24, 11:29 PM CDTSpecial Weather StatementAMAHansford, Hemphill, Hutchinson, Ochiltree, Roberts61 min
Jun 24, 11:38 PM CDTSpecial Weather StatementAMAArmstrong, Carson, Randall52 min
Jun 24, 11:45 PM CDTSevere Thunderstorm WarningAMAHartley, Oldham75 min
Jun 24, 11:51 PM CDTSevere Thunderstorm WarningAMAHartley, Moore, Oldham, Potter69 min
Jun 25, 12:17 AM CDTSpecial Weather StatementAMACarson58 min
Jun 25, 12:21 AM CDTAreal Flood AdvisoryAMACarson, Hutchinson5 hr
Jun 25, 12:23 AM CDTAreal Flood AdvisoryAMAHemphill5 hr
Jun 25, 12:25 AM CDTSpecial Weather StatementAMAGray, Hemphill, Roberts, Wheeler65 min
Jun 25, 12:50 AM CDTSevere Thunderstorm WarningAMACarson, Hutchinson, Moore, Potter40 min
Jun 25, 1:02 AM CDTSevere Thunderstorm WarningAMAHartley, Oldham48 min
Jun 25, 1:09 AM CDTSpecial Weather StatementAMACollingsworth, Wheeler66 min
Jun 25, 1:19 AM CDTSevere Thunderstorm WarningAMACollingsworth, Donley, Wheeler56 min
Jun 25, 1:33 AM CDTSpecial Weather StatementAMAOldham42 min
Jun 25, 2:39 AM CDTSpecial Weather StatementAMAOldham36 min
Jun 25, 3:09 AM CDTSevere Thunderstorm WarningAMAOldham39 min
Jun 25, 3:33 AM CDTSpecial Weather StatementAMACarson42 min
Jun 25, 3:45 AM CDTSpecial Weather StatementAMAPotter30 min
Jun 25, 3:50 AM CDTSpecial Weather StatementAMACarson25 min
Jun 25, 3:52 AM CDTSevere Thunderstorm WarningAMAPotter28 min
Jun 25, 4:22 AM CDTSpecial Weather StatementAMACarson, Gray23 min
Jun 25, 4:49 AM CDTSpecial Weather StatementAMACarson, Gray, Wheeler71 min
Jun 24, 8:07 PM CDTSpecial Weather StatementAMACimarron53 min
Jun 24, 8:44 PM CDTSpecial Weather StatementAMATexas61 min
Jun 24, 9:04 PM CDTSpecial Weather StatementAMABeaver56 min
Jun 24, 9:11 PM CDTSpecial Weather StatementAMACimarron49 min
Jun 24, 9:34 PM CDTAreal Flood AdvisoryAMATexas56 min
Jun 24, 9:44 PM CDTSevere Thunderstorm WarningAMABeaver61 min
Jun 24, 10:52 PM CDTSpecial Weather StatementAMATexas38 min
Jun 24, 11:24 PM CDTAreal Flood AdvisoryAMABeaver3 hr

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2018Every severe thunderstorm warning in 2018

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.