Alert archive / Texas / Winter Storm Warnings in 2021

Winter Storm Warning 2, NWS San Angelo, TX

February 11, 20215 counties in Texas

NWS San Angelo, TX issued this winter storm warning at Feb 11, 2021, 8:25 AM CST for 5 counties in Texas. It was in force for 12 hr. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 11, 2021, 8:25 AM CST (14:25 UTC)
Expired
Feb 11, 2021, 8:00 PM CST
In force
12 hr
Issued by
NWS San Angelo, TX

Counties Kimble County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, San Saba County, TX

The radar

The San Angelo radar (KSJT), 118 km from the middle of the area, began a volume at 14:27 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.

What was reported inside it

TimeReportWhereRemark
Feb 11, 9:00 AM CSTFREEZING RAIN 0.51 Nnw Junction, TXJUNCTION VFD REPORTED MIXTURE OF SLEET AND FREEZING RAIN. ICE ACCUMULATION WAS ESTIMATED AT 1/2 INCH ON A FLAG POLE.
Feb 11, 9:43 AM CSTSLEET 0.5Mason, TXMASON COUNTY SHERIFFS DEPARTMENT AND A SPOTTER REPORTED SLEET COVERING THE GROUND AND ROADWAYS IN MASON.
Feb 11, 11:39 AM CSTSLEET 0.5Cherokee, TXA HALF INCH OF SLEET WAS REPORTED ON THE ROADWAYS AND ACROSS THE TOWN OF CHEROKEE LOCATED IN SOUTHEAST SAN SABA COUNTY.
Feb 11, 5:00 PM CSTSLEET 1Menard, TXMENARD SHERIFFS DEPARTMENT REPORTED ABOUT 1 TO 2 INCHES OF ICE ON THE GROUND CONSISTING OF FREEZING RAIN AND SLEET.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 2.4 hours before the alert went out and 219 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, Del Rio, TX at 12:00Z on 2021-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2021-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
12 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
412 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
222 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

676 
WWUS44 KSJT 111425
WSWSJT

URGENT - WINTER WEATHER MESSAGE
National Weather Service San Angelo TX
825 AM CST Thu Feb 11 2021

TXZ155-168>170-120000-
/O.UPG.KSJT.WW.Y.0002.000000T0000Z-210211T2100Z/
/O.NEW.KSJT.WS.W.0002.210211T1425Z-210212T0000Z/
San Saba-Menard-Kimble-Mason-
Including the cities of Chappel, Cherokee, Harkeyville, San Saba,
Erna, Fort Mckavett, Hext, Menard, Cleo, Junction, London, 
Roosevelt, Segovia, Telegraph, Fredonia, Katemcy, Koockville, 
Loyal Valley, Mason, Pontotoc, and Streeter
825 AM CST Thu Feb 11 2021

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...Significant icing. Additional ice accumulations of up to
  a quarter of an inch expected.

* WHERE...San Saba, Menard, Kimble and Mason Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Difficult travel conditions are possible. The 
  hazardous conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

TXZ154-120000-
/O.UPG.KSJT.WW.Y.0003.000000T0000Z-210211T2100Z/
/O.NEW.KSJT.WS.W.0002.210211T1425Z-210212T0000Z/
McCulloch-
Including the cities of Brady, Fife, Lohn, Rochelle, and Voca
825 AM CST Thu Feb 11 2021

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM CST THIS EVENING...

* WHAT...Significant icing. Additional ice accumulations of around
  a quarter of an inch expected.


* WHERE...McCulloch County.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Difficult travel conditions are possible. The 
  hazardous conditions could impact the evening commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

TXZ049-054-064>066-076>078-098-099-113-114-127-128-139-140-112100-
/O.CON.KSJT.WW.Y.0002.000000T0000Z-210211T2100Z/
Fisher-Nolan-Sterling-Coke-Runnels-Crockett-Schleicher-Sutton-
Haskell-Throckmorton-Jones-Shackelford-Taylor-Callahan-Coleman-
Brown-
Including the cities of Gannon, Sweetwater, Broome, 
Sterling City, Robert Lee, Sanco, Silver, Bronte, Tennyson, 
Ballinger, Benoit, Hatchel, Rowena, Crews, Winters, Pumphrey, 
Ozona, Eldorado, Sonora, Irby, Haskell, Throckmorton, Woodson, 
Stamford, Stith, Anson, Funston, Truby, Tuxedo, Hamlin, Albany, 
Abilene, Clyde, Eula, Dudley, Baird, Cross Plains, Coleman, Echo,
Fisk, Valera, Voss, Trickham, Brownwood, and Indian Creek
825 AM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* WHAT...Light freezing drizzle, light freezing rain, and sleet. 
  Light accumulations on elevated surfaces, roadways, bridges, 
  and overpasses. Additional ice accumulations of around a trace 
  to five hundredths of an inch.

* WHERE...The Big Country, Northern Concho Valley, Northern 
  Heartland, San Saba County, and the I-10 corridor counties.

* WHEN...Until 3 PM CST this afternoon.

* IMPACTS...Very slippery sidewalks, roads and bridges are 
  possible. The hazardous conditions could impact the morning 
  commute, including along interstates 20 and 10.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

TXZ071>073-112100-
/O.CON.KSJT.WW.Y.0003.000000T0000Z-210211T2100Z/
Irion-Tom Green-Concho-
Including the cities of Barnhart, Arden, Mertzon, Sherwood, 
Carlsbad, San Angelo, Wall, Eden, Live Oak, and Lowake
825 AM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM CST THIS
AFTERNOON...

* WHAT...Light freezing drizzle, freezing rain, and sleet. Light 
  accumulations on elevated surfaces, roadways, bridges, and 
  overpasses. Additional ice accumulations of a few hundredths 
  of an inch to a tenth of an inch.

* WHERE...McCulloch, Irion, Concho and Tom Green Counties.

* WHEN...Until 3 PM CST this afternoon.

* IMPACTS...Very slippery sidewalks, roads and bridges are 
  possible. The hazardous conditions could impact the morning 
  commute.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
2 follow-up statements
738 
WWUS44 KSJT 112050
WSWSJT

URGENT - WINTER WEATHER MESSAGE
National Weather Service San Angelo TX
250 PM CST Thu Feb 11 2021

TXZ049-054-064>066-076-098-099-113-114-127-128-139-140-112200-
/O.CAN.KSJT.WW.Y.0002.000000T0000Z-210211T2100Z/
Fisher-Nolan-Sterling-Coke-Runnels-Crockett-Haskell-Throckmorton-
Jones-Shackelford-Taylor-Callahan-Coleman-Brown-
Including the cities of Gannon, Sweetwater, Broome, 
Sterling City, Robert Lee, Sanco, Silver, Bronte, Tennyson, 
Ballinger, Benoit, Hatchel, Rowena, Crews, Winters, Pumphrey, 
Ozona, Irby, Haskell, Throckmorton, Woodson, Stamford, Stith, 
Anson, Funston, Truby, Tuxedo, Hamlin, Albany, Abilene, Clyde, 
Eula, Dudley, Baird, Cross Plains, Coleman, Echo, Fisk, Valera, 
Voss, Trickham, Brownwood, and Indian Creek
250 PM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3:00 PM CST TODAY...

Freezing rain has ended across the Big Country. Despite the end 
of the precipitation, temperatures remain well below freezing, 
meaning any icy conditions will persist through at least tonight 
and into Friday morning. People are urged to avoid travel unless 
necessary.

$$

TXZ071-112200-
/O.CAN.KSJT.WW.Y.0003.000000T0000Z-210211T2100Z/
Irion-
Including the cities of Barnhart, Arden, Mertzon, and Sherwood
250 PM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 3:00 PM CST TODAY...

Freezing rain has ended across the area. Despite the end of the 
precipitation, temperatures remain well below freezing, meaning 
any icy conditions will persist through at least tonight and into 
Friday morning. People are urged to avoid travel unless 
necessary.

$$

TXZ154-155-168>170-120000-
/O.CON.KSJT.WS.W.0002.000000T0000Z-210212T0000Z/
McCulloch-San Saba-Menard-Kimble-Mason-
Including the cities of Brady, Fife, Lohn, Rochelle, Voca, 
Chappel, Cherokee, Harkeyville, San Saba, Erna, Fort Mckavett, 
Hext, Menard, Cleo, Junction, London, Roosevelt, Segovia, 
Telegraph, Fredonia, Katemcy, Koockville, Loyal Valley, Mason, 
Pontotoc, and Streeter
250 PM CST Thu Feb 11 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...

* WHAT...Significant icing. Additional ice accumulations of up 
  to a quarter of an inch expected.

* WHERE...San Saba, Menard, Kimble, Mason, and McCulloch 
  Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Very slippery sidewalks, roads and bridges are 
  possible. The hazardous conditions could impact the evening 
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

TXZ077-078-120000-
/O.EXT.KSJT.WW.Y.0002.000000T0000Z-210212T0000Z/
Schleicher-Sutton-
Including the cities of Eldorado and Sonora
250 PM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS 
EVENING...

* WHAT...Light freezing drizzle, light freezing rain, and sleet. 
  Light accumulations on elevated surfaces, roadways, bridges, 
  and overpasses. Additional ice accumulations of around a trace 
  to five hundredths of an inch.

* WHERE...I-10 corridor counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Very slippery sidewalks, roads and bridges are 
  possible. The hazardous conditions could impact the evening 
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

TXZ072-073-120000-
/O.EXT.KSJT.WW.Y.0003.000000T0000Z-210212T0000Z/
Tom Green-Concho-
Including the cities of Carlsbad, San Angelo, Wall, Eden, 
Live Oak, and Lowake
250 PM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS 
EVENING...

* WHAT...Light freezing drizzle, freezing rain, and sleet. Light 
  accumulations on elevated surfaces, roadways, bridges, and 
  overpasses. Additional ice accumulations of a few hundredths 
  of an inch to a tenth of an inch.

* WHERE...Concho and Tom Green Counties.

* WHEN...Until 6 PM CST this evening.

* IMPACTS...Very slippery sidewalks, roads and bridges are 
  possible. The hazardous conditions could impact the evening 
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$
560 
WWUS44 KSJT 112351
WSWSJT

URGENT - WINTER WEATHER MESSAGE
National Weather Service San Angelo TX
Issued by National Weather Service Midland/Odessa TX
551 PM CST Thu Feb 11 2021


TXZ072-073-120100-
/O.CAN.KSJT.WW.Y.0003.000000T0000Z-210212T0000Z/
Tom Green-Concho-
Including the cities of Carlsbad, San Angelo, Wall, Eden, 
Live Oak, and Lowake
551 PM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6:00 PM CST THIS
EVENING... 

Light freezing rain, freezing drizzle, and sleet has ended across
the area. Despite the end of the precipitation, temperatures 
remain well below freezing, menaing any icy conditions will
persist through at least tonight and into Friday morning. People
are urged to avoid travel unless necessary.

$$

TXZ077-078-120100-
/O.CAN.KSJT.WW.Y.0002.000000T0000Z-210212T0000Z/
Schleicher-Sutton-
Including the cities of Eldorado and Sonora
551 PM CST Thu Feb 11 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6:00 PM CST THIS
EVENING... 

Light freezing rain, freezing drizzle, and sleet has ended across
the area. Despite the end of the precipitation, temperatures 
remain well below freezing, menaing any icy conditions will
persist through at least tonight and into Friday morning. People
are urged to avoid travel unless necessary.

$$

TXZ154-155-168>170-120200-
/O.EXT.KSJT.WS.W.0002.000000T0000Z-210212T0200Z/
McCulloch-San Saba-Menard-Kimble-Mason-
Including the cities of Brady, Fife, Lohn, Rochelle, Voca, 
Chappel, Cherokee, Harkeyville, San Saba, Erna, Fort Mckavett, 
Hext, Menard, Cleo, Junction, London, Roosevelt, Segovia, 
Telegraph, Fredonia, Katemcy, Koockville, Loyal Valley, Mason, 
Pontotoc, and Streeter
551 PM CST Thu Feb 11 2021

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM CST THIS
EVENING...

* WHAT...Significant icing. Additional ice accumulations of up 
  to a quarter of an inch expected.

* WHERE...San Saba, Menard, Kimble, Mason, and McCulloch 
  Counties.

* WHEN...Until 8 PM CST this evening.

* IMPACTS...Very slippery sidewalks, roads and bridges are 
  possible. The hazardous conditions could impact the evening 
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. Prepare for possible power
outages. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Nearby

Winter Storm Warnings in Texas, 2021Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.