Alert archive / Texas / Winter Storm Warnings in 2020

Winter Storm Warning 2, NWS San Angelo, TX

October 26, 202010 counties in Texas

NWS San Angelo, TX issued this winter storm warning at Oct 26, 2020, 3:49 AM CDT for 10 counties in Texas. It took effect at Oct 26, 2020, 1:00 PM CDT. It was in force for 42 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
Oct 26, 2020, 3:49 AM CDT (08:49 UTC)
In effect from
Oct 26, 2020, 1:00 PM CDT
Expired
Oct 28, 2020, 7:00 AM CDT
In force
42 hr
Issued by
NWS San Angelo, TX

Counties Callahan County, TX, Coke County, TX, Fisher County, TX, Haskell County, TX, Jones County, TX, Nolan County, TX, Shackelford County, TX, Sterling County, TX, Taylor County, TX, Throckmorton County, TX

The radar

The Dyess AFB radar (KDYX), 68 km from the middle of the area, began a volume at 08:47 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 00:00Z, 8.8 hours before the alert went out and 218 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-pSkew-T log-p diagram, Midland Regional, TX at 00:00Z on 2020-10-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2020-10-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 284 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2258 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
284 m²/s²
0-3 km storm-relative helicity
424 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 26, 3:23 AM CDTFreeze WarningSJTBrown, Callahan, Coke, Coleman, Concho, Crockett and 11 more34 hr
Oct 26, 3:49 AM CDTWinter Weather AdvisorySJTBrown, Coleman, Concho, Crockett, Irion, McCulloch and 5 more51 hr
Oct 26, 3:06 PM CDTIce Storm WarningSJTFisher, Haskell, Jones, Nolan, Throckmorton40 hr
Oct 26, 3:06 PM CDTWinter Storm WarningSJTFisher, Haskell, Jones, Nolan, Throckmorton20 hr

Nearby

Winter Storm Warnings in Texas, 2020Every winter storm warning in 2020

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.