Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Brownsville, TX

February 12, 2021Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this special weather statement at Feb 12, 2021, 6:32 AM CST for Cameron County, Willacy County, Texas. It was in force for 43 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 12, 2021, 6:32 AM CST (12:32 UTC)
Expired: Feb 12, 2021, 7:15 AM CST
In force: 43 min
Issued by: NWS Brownsville, TX

Counties Cameron County, TX, Willacy County, TX

The radar

The Brownsville radar (KBRO), 55 km from the middle of the area, began a volume at 12:36 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

Corpus Christi, TX (KCRP), launched 12:00Z, 0.5 hours before the alert went out and 147 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 8 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 408 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 52 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 Brownsville, TX wrote its last area forecast discussion before this special weather statement went out at Feb 12, 5:50 AM CST, 42 minutes earlier.

Area forecast discussion, Feb 12, 5:50 AM CST, 42 minutes before

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Hazardous weather outlook, Feb 12, 4:37 AM CST, 1 hour 55 minutes before

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In the hours before

Special weather statement, Feb 12, 5:40 AM CST, 52 minutes before

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Special weather statement, Feb 12, 6:32 AM CST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 11, 11:17 PM CST	Special Weather Statement	BRO	Cameron	58 min
Feb 12, 4:17 PM CST	Freeze Watch	BRO	Brooks, Jim Hogg, Kenedy, Zapata	23 hr

Nearby

Special Weather Statements in Texas, 2021 Every 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.