Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Midland/Odessa, TX

August 19, 2021Brewster County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Aug 19, 2021, 7:21 PM CDT for Brewster County, Texas. 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
Aug 19, 2021, 7:21 PM CDT (00:21 UTC)
Expired
Aug 19, 2021, 7:45 PM CDT
In force
24 min
Issued by
NWS Midland/Odessa, TX
Hail
0.75 in
Wind
50

County Brewster County, TX

The radar

The Midland/Odessa radar (KMAF), 227 km from the middle of the area, began a volume at 00:22 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

Del Rio, TX (KDRT), launched 00:00Z, 0.4 hours before the alert went out and 249 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, Del Rio, TX at 00:00Z on 2021-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2026 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 00:00Z on 2021-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
2026 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1877 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

620 
WWUS84 KMAF 200021
SPSMAF

Special Weather Statement
National Weather Service Midland/Odessa TX
721 PM CDT Thu Aug 19 2021
 
TXZ279-200045-
Central Brewster County TX-
721 PM CDT Thu Aug 19 2021

...A strong thunderstorm will impact portions of central Brewster
County through 745 PM CDT...

At 721 PM CDT, Doppler radar was tracking a strong thunderstorm near
Marathon, or 27 miles southeast of Alpine, moving southeast at 10
mph.

HAZARD...Wind gusts up to 50 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Marathon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

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

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3021 10336 3023 10320 3002 10305 2996 10338
TIME...MOT...LOC 0021Z 336DEG 10KT 3013 10327 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...50 MPH

$$

88

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 19, 7:05 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Aug 19, 7:24 PM CDTSevere Thunderstorm WarningMAFGlasscock, Midland, Reagan66 min
Aug 19, 8:26 PM CDTAreal Flood AdvisoryMAFBrewster5 hr
Aug 20, 1:07 PM CDTAreal Flood AdvisoryMAFJeff Davis113 min
Aug 20, 1:21 PM CDTSpecial Weather StatementMAFJeff Davis39 min
Aug 20, 2:28 PM CDTAreal Flood AdvisoryMAFJeff Davis2 hr
Aug 20, 2:30 PM CDTSpecial Weather StatementMAFJeff Davis45 min
Aug 20, 3:18 PM CDTAreal Flood AdvisoryMAFJeff Davis3 hr
Aug 20, 4:25 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Aug 20, 4:28 PM CDTFlash Flood WarningMAFPresidio3 hr
Aug 20, 4:47 PM CDTFlash Flood WarningMAFPecos3 hr
Aug 20, 6:00 PM CDTSpecial Weather StatementMAFCrockett45 min
Aug 20, 6:23 PM CDTSpecial Weather StatementMAFScurry52 min
Aug 20, 6:24 PM CDTSpecial Weather StatementMAFAndrews36 min
Aug 20, 6:33 PM CDTAreal Flood AdvisoryMAFBorden, Scurry3 hr
Aug 20, 6:44 PM CDTAreal Flood AdvisoryMAFCrane, Pecos3 hr

Nearby

Special Weather Statements in Texas, 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.