Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 31, NWS Amarillo, TX

May 2, 2021Beaver County, Texas County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at May 2, 2021, 7:47 PM CDT for Beaver County, Texas County, Oklahoma. It was in force for 36 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
May 2, 2021, 7:47 PM CDT (00:47 UTC)
Expired
May 2, 2021, 8:23 PM CDT
In force
36 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), 124 km from the middle of the area, began a volume at 00:48 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, 0.8 hours before the alert went out and 129 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 2021-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1069 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 2021-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 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
1069 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
1754 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
394 m²/s²
Significant tornado parameter
0.1
Supercell composite
12.1

Open this sounding in Storm Lab

The text

As transmitted.

725 
WUUS54 KAMA 030047
SVRAMA
OKC007-139-030145-
/O.NEW.KAMA.SV.W.0031.210503T0047Z-210503T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Amarillo TX
747 PM CDT Sun May 2 2021

The National Weather Service in Amarillo has issued a

* Severe Thunderstorm Warning for...
  Northwestern Beaver County in the Panhandle of Oklahoma...
  Northeastern Texas County in the Panhandle of Oklahoma...

* Until 845 PM CDT.

* At 747 PM CDT, a severe thunderstorm was located over Hooker, or 17
  miles northeast of Guymon, moving east at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor damage to roofs, siding, and trees is possible. 
           Hail damage to vehicles is expected.

* Locations impacted include...
  Hooker, Tyrone, Forgan, Optima, Baker, Adams, Mocane, Turpin and
  Floris.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3686 10043 3667 10135 3700 10143 3700 10050
TIME...MOT...LOC 0047Z 248DEG 26KT 3683 10120 

HAIL...1.00IN
WIND...60MPH
 
$$

LFM
2 follow-up statements
113 
WWUS54 KAMA 030106
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
806 PM CDT Sun May 2 2021

OKC007-139-030145-
/O.CON.KAMA.SV.W.0031.000000T0000Z-210503T0145Z/
Beaver OK-Texas OK-
806 PM CDT Sun May 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHWESTERN BEAVER AND NORTHEASTERN TEXAS COUNTIES...

At 805 PM CDT, a severe thunderstorm was located 4 miles northeast of
Adams, or 17 miles south of Liberal, moving east at 30 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to roofs, siding, and trees is possible.

Locations impacted include...
Hooker, Tyrone, Forgan, Baker, Adams, Mocane, Turpin and Floris. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3686 10043 3670 10121 3700 10127 3700 10050
TIME...MOT...LOC 0105Z 263DEG 25KT 3680 10103 

HAIL...0.75IN
WIND...60MPH
 
$$

LFM
725 
WWUS54 KAMA 030123
SVSAMA

Severe Weather Statement
National Weather Service Amarillo TX
823 PM CDT Sun May 2 2021

OKC007-139-030133-
/O.CAN.KAMA.SV.W.0031.000000T0000Z-210503T0145Z/
Beaver OK-Texas OK-
823 PM CDT Sun May 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BEAVER AND
NORTHEASTERN TEXAS COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3686 10043 3670 10121 3700 10127 3700 10050
TIME...MOT...LOC 0119Z 248DEG 26KT 3685 10088 

$$

LFM

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 7:02 PM CDTSpecial Weather StatementAMATexas28 min
May 2, 7:41 PM CDTSpecial Weather StatementAMABeaver49 min
May 2, 8:38 PM CDTSpecial Weather StatementAMABeaver37 min
May 2, 9:30 PM CDTSpecial Weather StatementAMABeaver30 min
May 3, 3:36 PM CDTSpecial Weather StatementAMABeaver54 min
May 3, 4:21 PM CDTSpecial Weather StatementAMABeaver54 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2021Every severe thunderstorm warning 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.