Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Amarillo, TX

March 13, 2021Beaver County, Oklahoma

NWS Amarillo, TX issued this special weather statement at Mar 13, 2021, 7:21 PM CST for Beaver County, Oklahoma. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 13, 2021, 7:21 PM CST (01:21 UTC)
Expired
Mar 13, 2021, 7:45 PM CST
In force
24 min
Issued by
NWS Amarillo, TX

County Beaver County, OK

The radar

The Dodge City radar (KDDC), 150 km from the middle of the area, began a volume at 01:21 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

Dodge City, (KDDC), launched 00:00Z, 1.4 hours before the alert went out and 154 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 2021-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dodge City, at 00:00Z on 2021-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 469 square meters per square second.19395878Sfc1 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
199 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
473 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
469 m²/s²
0-3 km storm-relative helicity
534 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.4

Open this sounding in Storm Lab

The text

As transmitted.

158 
WWUS84 KAMA 140121
SPSAMA

Special Weather Statement
National Weather Service Amarillo TX
721 PM CST Sat Mar 13 2021
 
OKZ003-TXZ004-005-140145-
Beaver OK-Ochiltree TX-Lipscomb TX-
721 PM CST Sat Mar 13 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN BEAVER...
NORTHWESTERN LIPSCOMB AND NORTHEASTERN OCHILTREE COUNTIES UNTIL 745
PM CST...

At 721 PM CST, Doppler radar was tracking a strong thunderstorm 6
miles west of Booker, or 9 miles northeast of Perryton, moving north
at 30 mph.

Up to nickel size hail and wind gusts up to 50 mph will be possible 
with this storm.

Locations impacted include...
Booker, Elmwood and Balko. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take shelter in a sturdy building if threatening weather approaches.
 
&&

A Tornado Watch remains in effect until 900 PM CST for the Panhandle
of Texas.

LAT...LON 3632 10057 3636 10078 3680 10073 3674 10040
TIME...MOT...LOC 0121Z 192DEG 28KT 3645 10066 

$$

Ferguson

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 13, 6:11 PM CSTSpecial Weather StatementAMAArmstrong34 min
Mar 13, 6:23 PM CSTTornado WarningAMACollingsworth, Donley, Gray, Wheeler37 min
Mar 13, 6:43 PM CSTSpecial Weather StatementAMAArmstrong, Carson32 min
Mar 13, 6:52 PM CSTTornado WarningAMAGray, Hemphill, Roberts, Wheeler38 min
Mar 13, 7:01 PM CSTAreal Flood AdvisoryAMAArmstrong, Carson3 hr
Mar 13, 7:03 PM CSTSevere Thunderstorm WarningAMAArmstrong, Carson, Donley, Gray, Roberts57 min
Mar 13, 7:52 PM CSTSevere Thunderstorm WarningAMAGray, Hemphill, Lipscomb, Roberts, Wheeler83 min
Mar 13, 8:23 PM CSTSpecial Weather StatementAMACollingsworth, Donley67 min
Mar 13, 8:39 PM CSTSpecial Weather StatementAMALipscomb96 min
Mar 13, 8:58 PM CSTAreal Flood AdvisoryAMAHemphill, Lipscomb3 hr
Mar 13, 9:18 PM CSTSevere Thunderstorm WarningAMAHemphill, Lipscomb42 min
Mar 13, 9:21 PM CSTSpecial Weather StatementAMACollingsworth, Hemphill, Wheeler84 min
Mar 13, 9:53 PM CSTSpecial Weather StatementAMALipscomb52 min
Mar 14, 6:18 AM CDTWind AdvisoryAMADeaf Smith, Oldham, Potter, Randall14 hr

Nearby

Special Weather Statements in Oklahoma, 2021Every special weather statement in 2021

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.