Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 303, NWS Midland/Odessa, TX

August 19, 2021Pecos County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Aug 19, 2021, 6:18 PM CDT for Pecos County, Texas. It was in force for 27 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
Aug 19, 2021, 6:18 PM CDT (23:18 UTC)
Expired
Aug 19, 2021, 6:45 PM CDT
In force
27 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 107 km from the middle of the area, began a volume at 23:18 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

Midland Regional, TX (KMAF), launched 12:00Z, 11.3 hours before the alert went out and 108 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, Midland Regional, TX at 12:00Z on 2021-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 729 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, Midland Regional, TX at 12:00Z on 2021-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
729 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
1447 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

164 
WUUS54 KMAF 192318
SVRMAF
TXC371-192345-
/O.NEW.KMAF.SV.W.0303.210819T2318Z-210819T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Midland/Odessa TX
618 PM CDT Thu Aug 19 2021

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Northeastern Pecos County in southwestern Texas...

* Until 645 PM CDT.

* At 618 PM CDT, a severe thunderstorm was located 17 miles southwest
  of McCamey, moving northeast at 25 mph.

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

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Bakersfield and Girvin. 

This includes Interstate 10 between mile markers 283 and 302.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3082 10231 3083 10253 3109 10240 3107 10233
      3103 10229 3104 10225 3103 10221 3100 10219
      3101 10218 3100 10214 3099 10208 3100 10205
      3098 10202
TIME...MOT...LOC 2318Z 230DEG 20KT 3093 10239 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

44
1 follow-up statement
176 
WWUS54 KMAF 192328
SVSMAF

Severe Weather Statement
National Weather Service Midland/Odessa TX
628 PM CDT Thu Aug 19 2021

TXC371-192345-
/O.CON.KMAF.SV.W.0303.000000T0000Z-210819T2345Z/
Pecos TX-
628 PM CDT Thu Aug 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR EAST CENTRAL PECOS COUNTY...

At 628 PM CDT, a severe thunderstorm was located 12 miles south of
McCamey, moving north at 15 mph.

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

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Bakersfield.

This includes Interstate 10 between mile markers 292 and 301.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3084 10231 3090 10237 3107 10233 3103 10229
      3104 10225 3103 10221 3100 10219 3101 10218
      3100 10214 3099 10208 3100 10205 3098 10202
TIME...MOT...LOC 2328Z 184DEG 15KT 3096 10229 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

44

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 18, 7:51 PM CDTSpecial Weather StatementMAFMidland39 min
Aug 19, 3:19 PM CDTSpecial Weather StatementMAFWard26 min
Aug 19, 3:32 PM CDTAreal Flood AdvisoryMAFEctor2 hr
Aug 19, 3:45 PM CDTSpecial Weather StatementMAFWard30 min
Aug 19, 4:12 PM CDTSpecial Weather StatementMAFWard33 min
Aug 19, 4:15 PM CDTSpecial Weather StatementMAFJeff Davis45 min
Aug 19, 4:17 PM CDTAreal Flood AdvisoryMAFBrewster, Jeff Davis3 hr
Aug 19, 4:21 PM CDTSpecial Weather StatementMAFEctor39 min
Aug 19, 4:30 PM CDTAreal Flood AdvisoryMAFJeff Davis3 hr
Aug 19, 4:46 PM CDTSevere Thunderstorm WarningMAFEctor59 min
Aug 19, 5:03 PM CDTFlash Flood WarningMAFJeff Davis3 hr
Aug 19, 5:06 PM CDTSpecial Weather StatementMAF24 min
Aug 19, 5:14 PM CDTSpecial Weather StatementMAFJeff Davis31 min
Aug 19, 5:22 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Aug 19, 5:26 PM CDTFlash Flood WarningMAFEctor2 hr
Aug 19, 5:44 PM CDTSpecial Weather StatementMAFUpton46 min
Aug 19, 5:48 PM CDTAreal Flood AdvisoryMAFMidland3 hr
Aug 19, 6:20 PM CDTSpecial Weather StatementMAFBrewster40 min
Aug 19, 6:25 PM CDTSpecial Weather StatementMAFMidland35 min
Aug 19, 6:41 PM CDTAreal Flood AdvisoryMAFPecos3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 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.