Alert archive / Texas / Freeze Warnings in 2016
Freeze Warning 1, NWS San Angelo, TX
NWS San Angelo, TX issued this freeze warning at Nov 18, 2016, 2:51 PM CST for 18 counties in Texas. It took effect at Nov 19, 2016, 3:00 AM CST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 18, 2016, 2:51 PM CST (20:51 UTC)
- In effect from
- Nov 19, 2016, 3:00 AM CST
- Expired
- Nov 19, 2016, 9:00 AM CST
- In force
- 6 hr
- Issued by
- NWS San Angelo, TX
Counties Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crockett County, TX, Fisher County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Nolan County, TX, Runnels County, TX, Schleicher County, TX, Shackelford County, TX, Sterling County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 81 km from the middle of the area, began a volume at 20:57 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 12:00Z, 8.9 hours before the alert went out and 200 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3615 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- -81 m²/s²
- 0-3 km storm-relative helicity
- 153 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this freeze warning went out at Nov 18, 11:24 AM CST, 3 hours 27 minutes earlier.
Area forecast discussion, Nov 18, 11:24 AM CST, 3 hours 27 minutes before
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</html>Hazardous weather outlook, Nov 18, 4:17 AM CST, 10 hours 34 minutes before
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</html>The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 4:14 AM CST | Freeze Watch | SJT | Callahan, Fisher, Haskell, Jones, Nolan, Shackelford and 2 more | 11 hr |
| Nov 18, 2:51 PM CST | Freeze Watch | SJT | Kimble, McCulloch, Mason, Menard, San Saba, Sutton | 14 hr |
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.