Alert archive / Texas / Winter Storm Watches in 2021
Winter Storm Watch 1, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this winter storm watch at Jan 8, 2021, 2:20 PM CST for 8 counties in Texas. It took effect at Jan 10, 2021, 12:00 PM CST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 8, 2021, 2:20 PM CST (20:20 UTC)
- In effect from
- Jan 10, 2021, 12:00 PM CST
- Expired
- Jan 9, 2021, 2:34 PM CST
- In force
- Issued by
- NWS Houston/Galveston, TX
Counties Brazos County, TX, Burleson County, TX, Grimes County, TX, Houston County, TX, Madison County, TX, Trinity County, TX, Walker County, TX, Washington County, TX
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 8.3 hours before the alert went out and 265 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
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this winter storm watch went out at Jan 8, 4:51 AM CST, 9 hours 29 minutes earlier.
Area forecast discussion, Jan 8, 4:51 AM CST, 9 hours 29 minutes before
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</html>The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 2:06 AM CST | Low Water Advisory | HGX | 37 hr |
Nearby
Winter Storm Watches in Texas, 2021Every winter storm watch 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.