Alert archive / Texas / Freeze Warnings in 2015
Freeze Warning 2, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this freeze warning at Nov 22, 2015, 5:06 AM CST for 5 counties in Texas. It was in force for 3 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 22, 2015, 5:06 AM CST (11:06 UTC)
- Expired
- Nov 22, 2015, 8:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
Counties Houston County, TX, Madison County, TX, Polk County, TX, Trinity County, TX, Walker County, TX
The radar
The Houston radar (KHGX), 170 km from the middle of the area, began a volume at 11:03 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 11.1 hours before the alert went out and 229 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
- 884 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -126 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 22, 3:47 AM CST | Freeze Warning | HGX | Austin, Brazos, Burleson, Colorado, Grimes, Harris and 10 more | 28 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.