Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Midland/Odessa, TX

August 1, 2021Dawson County, Texas

NWS Midland/Odessa, TX issued this special weather statement at Aug 1, 2021, 3:28 AM CDT for Dawson County, Texas. It was in force for 47 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 1, 2021, 3:28 AM CDT (08:28 UTC)
Expired
Aug 1, 2021, 4:15 AM CDT
In force
47 min
Issued by
NWS Midland/Odessa, TX

County Dawson County, TX

The radar

The Midland/Odessa radar (KMAF), 93 km from the middle of the area, began a volume at 08:31 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 00:00Z, 8.5 hours before the alert went out and 93 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 00:00Z on 2021-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 798 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2021-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 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
798 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
2467 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this special weather statement went out at Aug 1, 1:02 AM CDT, 2 hours 26 minutes earlier.

Area forecast discussion, Aug 1, 1:02 AM CDT, 2 hours 26 minutes before
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Hazardous weather outlook, Aug 1, 3:17 AM CDT, 11 minutes before
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In the hours before

Special weather statement, Aug 1, 3:28 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 1:43 PM CDTAreal Flood AdvisoryMAFEctor, Midland3 hr
Aug 1, 1:45 PM CDTAreal Flood AdvisoryMAFBrewster, Pecos, Terrell3 hr
Aug 1, 2:00 PM CDTAreal Flood AdvisoryMAFCrane3 hr
Aug 1, 2:56 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Aug 1, 3:04 PM CDTSpecial Weather StatementMAFReeves41 min
Aug 1, 3:41 PM CDTAreal Flood AdvisoryMAFTerrell3 hr
Aug 1, 3:43 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Aug 1, 4:17 PM CDTAreal Flood AdvisoryMAFPecos3 hr
Aug 1, 4:42 PM CDTAreal Flood AdvisoryMAFBrewster3 hr
Aug 1, 4:59 PM CDTSpecial Weather StatementMAF46 min
Aug 1, 5:12 PM CDTAreal Flood AdvisoryMAFBrewster, 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.