Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Corpus Christi, TX

February 11, 2021La Salle County, Texas

NWS Corpus Christi, TX issued this special weather statement at Feb 11, 2021, 8:25 AM CST for La Salle County, Texas. It was in force for 50 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
Feb 11, 2021, 8:25 AM CST (14:25 UTC)
Expired
Feb 11, 2021, 9:15 AM CST
In force
50 min
Issued by
NWS Corpus Christi, TX

County La Salle County, TX

The radar

The Laughlin AFB radar (KDFX), 135 km from the middle of the area, began a volume at 14:27 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 12:00Z, 2.4 hours before the alert went out and 185 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 12:00Z on 2021-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLEL10008507005003002001001 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, Del Rio, TX at 12:00Z on 2021-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 square meters per square second.1939587897Sfc1 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
12 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
412 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Corpus Christi, TX wrote its last area forecast discussion before this special weather statement went out at Feb 11, 5:56 AM CST, 2 hours 29 minutes earlier.

Area forecast discussion, Feb 11, 5:56 AM CST, 2 hours 29 minutes before
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Hazardous weather outlook, Feb 11, 4:29 AM CST, 3 hours 56 minutes before
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In the hours before

Special weather statement, Feb 11, 6:00 AM CST, 2 hours 25 minutes before
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Special weather statement, Feb 11, 6:04 AM CST, 2 hours 21 minutes before
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Special weather statement, Feb 11, 6:05 AM CST, 2 hours 20 minutes before
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Special weather statement, Feb 11, 6:29 AM CST, 1 hour 56 minutes before
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Special weather statement, Feb 11, 6:31 AM CST, 1 hour 54 minutes before
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Special weather statement, Feb 11, 8:25 AM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 11, 3:23 AM CSTSmall Craft AdvisoryCRP67 hr
Feb 11, 4:24 AM CSTSpecial Weather StatementCRPDimmit36 min
Feb 11, 6:00 AM CSTSpecial Weather StatementCRPLa Salle30 min
Feb 11, 6:05 AM CSTSpecial Weather StatementCRPWebb25 min
Feb 11, 6:29 AM CSTSpecial Weather StatementCRPMcMullen31 min
Feb 11, 6:31 AM CSTSpecial Weather StatementCRPWebb14 min
Feb 11, 1:58 PM CSTSpecial Weather StatementCRPVictoria32 min

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.