Alert archive / Texas / Freeze Watches in 2021
Freeze Watch 1, NWS Brownsville, TX
NWS Brownsville, TX issued this freeze watch at Feb 12, 2021, 4:17 PM CST for 4 counties in Texas. It took effect at Feb 14, 2021, 2:00 AM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 12, 2021, 4:17 PM CST (22:17 UTC)
- In effect from
- Feb 14, 2021, 2:00 AM CST
- Expired
- Feb 13, 2021, 2:56 PM CST
- In force
- Issued by
- NWS Brownsville, TX
Counties Brooks County, TX, Jim Hogg County, TX, Kenedy County, TX, Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 126 km from the middle of the area, began a volume at 22:20 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, 10.3 hours before the alert went out and 135 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.
- 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
What forecasters said that day
The local office's own words before this freeze watch 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 freeze watch went out at Feb 12, 3:43 PM CST, 34 minutes earlier.
Area forecast discussion, Feb 12, 3:43 PM CST, 34 minutes before
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</html>Hazardous weather outlook, Feb 12, 4:37 AM CST, 11 hours 40 minutes before
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Special weather statement, Feb 12, 10:26 AM CST, 5 hours 51 minutes before
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</html>Special weather statement, Feb 12, 12:44 PM CST, 3 hours 33 minutes before
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</html>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, 6:32 AM CST | Special Weather Statement | BRO | Cameron, Willacy | 43 min |
Nearby
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.