Alert archive / Texas / Wind Chill Advisories in 2011
Wind Chill Advisory 1, NWS San Angelo, TX
NWS San Angelo, TX issued this wind chill advisory at Jan 31, 2011, 4:56 PM CST for 24 counties in Texas. It took effect at Feb 1, 2011, 12:06 PM CST. It was in force for 48 hr.
The area
The counties it named.
The facts
- Issued
- Jan 31, 2011, 4:56 PM CST (22:56 UTC)
- In effect from
- Feb 1, 2011, 12:06 PM CST
- Expired
- Feb 3, 2011, 12:00 PM CST
- In force
- 48 hr
- Issued by
- NWS San Angelo, TX
All 24 counties
Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crockett County, TX, Fisher County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Kimble County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Nolan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 63 km from the middle of the area, began a volume at 22:58 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 12:00Z, 10.9 hours before the alert went out and 213 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
- 3568 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this wind chill advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this wind chill advisory went out at Jan 31, 4:17 PM CST, 39 minutes earlier.
Area forecast discussion, Jan 31, 4:17 PM CST, 39 minutes before
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</html>Hazardous weather outlook, Jan 31, 3:54 PM CST, 1 hour 2 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 354 PM CST MON JAN 31 2011 TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139- 140-154-155-168>170-012200- FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO- CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD- TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE- MASON- 354 PM CST MON JAN 31 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL TEXAS. .DAY ONE...THIS AFTERNOON AND TONIGHT AN ARCTIC COLD FRONT WILL INTERACT WITH AN UPPER LEVEL DISTURBANCE TO BRING PLUNGING TEMPERATURES AND WINTRY PRECIPITATION LATE TONIGHT AND TUESDAY MORNING. THE BEST CHANCE OF SNOW...SLEET...AND FREEZING RAIN WILL BE ACROSS THE BIG COUNTRY...CONCHO VALLEY...AND THE HEARTLAND...WHERE THE POTENTIAL FOR 3 TO 6 INCHES OF SNOW AND SLEET EXIST...WITH ISOLATED HIGH AMOUNTS. PRIMARY HAZARDS WILL BE SLICK WALKWAYS...ROADS... REDUCED VISIBILITIES...AND WIND CHILLS IN THE SINGLE DIGITS. SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS MUCH OF WEST CENTRAL TEXAS THIS AFTERNOON AND EVENING. A FEW OF THE STORMS MAY BECOME SEVERE WITH THE MAIN THREATS BEING LARGE HAIL...STRONG WINDS AND AN ISOLATED TORNADO IS ALSO POSSIBLE ALONG FRONT TONIGHT AS IT MOVES SOUTH. THE BIG COUNTRY...CONCHO VALLEY...THE HEARTLAND AND NORTHWEST HILL COUNTRY HAVE THE BEST POTENTIAL FOR SEVERE WEATHER. THE MAIN SEVERE THUNDERSTORM THREAT IS DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY TUESDAY MORNING...LIGHT SNOW AND BLOWING SNOW MAY CONTINUE TO REDUCE VISIBILITIES DOWN TO 1/4 MILES AT TIMES ACROSS THE BIG COUNTRY...CONCHO VALLEY AND NORTHERN HEARTLAND. WIND CHILLS WILL BE IN THE SINGLE DIGITS. PROLONGED COLD TEMPERATURES WILL CONTINUE INTO THURSDAY NIGHT. LIVESTOCK AND OUTSIDE PETS MAY NEED EXTRA CARE AND SHELTER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TONIGHT. DANIELS
In the hours before
Special weather statement, Jan 31, 3:57 PM CST, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 357 PM CST MON JAN 31 2011 TXZ114-127-128-312300- SHACKELFORD TX-TAYLOR TX-CALLAHAN TX- 357 PM CST MON JAN 31 2011 ...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 500 PM CST FOR SHACKELFORD...TAYLOR AND CALLAHAN COUNTIES... AT 354 PM CST...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL WEATHER SERVICE DOPPLER RADAR 6 MILES SOUTHWEST OF DUDLEY...OR ABOUT 19 MILES SOUTH OF ABILENE...MOVING NORTHEAST AT 30 MPH. * THE STRONG THUNDERSTORM WILL BE NEAR... EULA BY 415 PM CST CLYDE BY 425 PM CST BAIRD BY 435 PM CST US-283 NEAR THE CALLAHAN-SHACKELFORD COUNTY LINE BY 450 PM CST SMALL HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM. HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS...ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER ACTIONS SHOULD A WARNING BE ISSUED.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 31, 3:41 PM CST | Winter Storm Warning | SJT | Brown, Callahan, Coke, Coleman, Concho, Fisher and 12 more | 20 hr |
Nearby
Wind Chill Advisories in Texas, 2011Every wind chill advisory in 2011
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.