Alert archive / Texas / Winter Storm Watches in 2021

Winter Storm Watch 1, NWS Fort Worth, TX

January 8, 202128 counties in Texas

NWS Fort Worth, TX issued this winter storm watch at Jan 8, 2021, 2:32 PM CST for 28 counties in Texas. It took effect at Jan 9, 2021, 9:00 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Jan 8, 2021, 2:32 PM CST (20:32 UTC)
In effect from: Jan 9, 2021, 9:00 PM CST
Expired: Jan 10, 2021, 3:20 AM CST
In force: 6 hr
Issued by: NWS Fort Worth, TX

All 28 counties

Anderson County, TX, Bell County, TX, Bosque County, TX, Comanche County, TX, Coryell County, TX, Eastland County, TX, Erath County, TX, Falls County, TX, Freestone County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Robertson County, TX, Somervell County, TX, Stephens County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 73 km from the middle of the area, began a volume at 20:30 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

Fort Worth, TX (KFWD), launched 12:00Z, 8.5 hours before the alert went out and 101 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: 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

Open this sounding in Storm Lab

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 Fort Worth, TX wrote its last area forecast discussion before this winter storm watch went out at Jan 8, 2:28 PM CST, 4 minutes earlier.

Area forecast discussion, Jan 8, 2:28 PM CST, 4 minutes before

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Hazardous weather outlook, Jan 8, 2:01 PM CST, 31 minutes before

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In the hours before

Special weather statement, Jan 8, 11:19 AM CST, 3 hours 13 minutes before

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Nearby

Winter Storm Watches in Texas, 2021 Every 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; radar from the NEXRAD Level II archive.