Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 302, NWS Midland/Odessa, TX

August 19, 2021Ector County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Aug 19, 2021, 4:46 PM CDT for Ector County, Texas. It was in force for 59 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 19, 2021, 4:46 PM CDT (21:46 UTC)
Expired
Aug 19, 2021, 5:45 PM CDT
In force
59 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Ector County, TX

The radar

The Midland/Odessa radar (KMAF), 36 km from the middle of the area, began a volume at 21:47 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.

What was reported inside it

TimeReportWhereRemark
Aug 19, 4:55 PM CDTTSTM WND DMG11 Wsw Odessa, TXTRAILER DAMAGED. ESTIMATED PEAK WIND SPEEDS OF 60-70 MPH.
Aug 19, 5:00 PM CDTHAIL 11 Nw West Odessa, TXSOCIAL MEDIA PICTURE AND REPORT OF QUARTER-SIZED HAIL IN WEST ODESSA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 9.8 hours before the alert went out and 35 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.

683 
WUUS54 KMAF 192146
SVRMAF
TXC135-192245-
/O.NEW.KMAF.SV.W.0302.210819T2146Z-210819T2245Z/

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

The National Weather Service in Midland has issued a

* Severe Thunderstorm Warning for...
  Central Ector County in western Texas...

* Until 545 PM CDT.

* At 445 PM CDT, a severe thunderstorm was located over West Odessa,
  or 9 miles west of Odessa, moving east 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...
  Odessa, West Odessa, Penwell and Odessa Schlemeyer Field. 

This includes Interstate 20 between mile markers 100 and 117.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3172 10260 3188 10275 3202 10243 3179 10233
TIME...MOT...LOC 2145Z 250DEG 20KT 3184 10251 

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

$$

88
1 follow-up statement
645 
WWUS54 KMAF 192203
SVSMAF

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

TXC135-192245-
/O.CON.KMAF.SV.W.0302.000000T0000Z-210819T2245Z/
Ector TX-
503 PM CDT Thu Aug 19 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR CENTRAL ECTOR COUNTY...

At 503 PM CDT, a severe thunderstorm was located over Odessa, moving 
east at 25 mph. Public reports penny size hail in West Odessa at 447 
PM CDT. 

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...
Odessa, West Odessa and Odessa Schlemeyer Field. 

This includes Interstate 20 between mile markers 103 and 117.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3173 10255 3188 10275 3202 10243 3179 10233
TIME...MOT...LOC 2203Z 250DEG 20KT 3187 10240 

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

$$

88

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, 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, 6:18 PM CDTSevere Thunderstorm WarningMAFPecos27 min
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.