Alert archive / Texas / Special Weather Statements in 2017

Special Weather Statement, NWS San Angelo, TX

January 15, 20175 counties in Texas

NWS San Angelo, TX issued this special weather statement at Jan 15, 2017, 5:21 PM CST for 5 counties in Texas. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 15, 2017, 5:21 PM CST (23:21 UTC)
Expired: Jan 15, 2017, 6:15 PM CST
In force: 54 min
Issued by: NWS San Angelo, TX

Counties Concho County, TX, Kimble County, TX, Menard County, TX, Schleicher County, TX, Sutton County, TX

The radar

The San Angelo radar (KSJT), 49 km from the middle of the area, began a volume at 23:22 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

Del Rio, TX (KDLF), launched 12:00Z, 11.4 hours before the alert went out and 193 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: 48 J/kg
Mixed-layer CIN: -160 J/kg
Mixed-layer LCL: 686 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 400 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jan 15, 2:16 PM CST, 3 hours 5 minutes earlier.

Area forecast discussion, Jan 15, 2:16 PM CST, 3 hours 5 minutes before

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Hazardous weather outlook, Jan 15, 2:17 PM CST, 3 hours 4 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
217 PM CST SUN JAN 15 2017

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-162030-
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-
217 PM CST SUN JAN 15 2017

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE LIKELY ACROSS WEST CENTRAL TEXAS THIS AFTERNOON
AND EVENING. SEVERE THUNDERSTORMS ARE POSSIBLE WITH DAMAGING
WINDS...LARGE HAIL AND ISOLATED TORNADOES BEING THE MAIN THREATS.
LOCALLY HEAVY RAINFALL WILL ALSO BE POSSIBLE.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Jan 15, 3:25 PM CST, 1 hour 56 minutes before

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Special weather statement, Jan 15, 3:58 PM CST, 1 hour 23 minutes before

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Special weather statement, Jan 15, 4:21 PM CST, 1 hour before

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Special weather statement, Jan 15, 4:24 PM CST, 57 minutes before

Special Weather Statement
National Weather Service San Angelo TX
424 PM CST SUN JAN 15 2017

TXZ054-098-113-114-127-128-152330-
Jones TX-Callahan TX-Nolan TX-Taylor TX-Shackelford TX-Haskell TX-
424 PM CST SUN JAN 15 2017

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN CALLAHAN...TAYLOR...
NOLAN...WESTERN SHACKELFORD AND JONES COUNTIES UNTIL 530 PM CST...

At 424 PM CST, Doppler radar was tracking a strong thunderstorm over
View, or 11 miles southwest of Abilene, moving east at 30 mph.

Half inch hail and wind gusts of 50 to 55 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Potosi around 450 PM CST.
  Dudley around 455 PM CST.
  Eula around 505 PM CST.
  Clyde around 510 PM CST.
  Baird around 520 PM CST.

Other locations impacted by this storm include Impact, The
Intersection Of Highway 70 And Ranch Road 53, Truby, Ovalo, The
Intersection Of US-
180 And Farm Road 600, Camp Boothe Oaks, The Intersection Of US-
180 And Ranch Road 126, The Intersection Of Ranch Road 608 And
Highway 147, Hodges and Lake Sweetwater.

This includes Interstate 20 between Mile Markers 241 and 307.

A severe thunderstorm watch remains in effect until 1000 PM CST for
west central Texas.

LAT...LON 3295 9936 3208 9939 3209 10066 3214 10066
      3253 10042 3252 10015 3296 10014 3296 9999
      3297 9999
TIME...MOT...LOC 2224Z 265DEG 25KT 3234 9988

sn

Special weather statement, Jan 15, 4:54 PM CST, 27 minutes before

Special Weather Statement
National Weather Service San Angelo TX
454 PM CST SUN JAN 15 2017

TXZ065-066-072-073-139-160000-
Coleman TX-Coke TX-Concho TX-Runnels TX-Tom Green TX-
454 PM CST SUN JAN 15 2017

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN COKE...WESTERN COLEMAN
AND RUNNELS COUNTIES UNTIL 600 PM CST...

At 452 PM CST, Doppler radar was tracking strong thunderstorms along
a line extending from near Blackwell to near Miles. Movement was
east at 45 mph.

Half inch hail and wind gusts up to 50 mph will be possible with
these storms.

Strong thunderstorms will be near...
  Wingate around 500 PM CST.
  Rowena around 510 PM CST.
  Winters around 515 PM CST.
  Novice and Leaday around 540 PM CST.
  Voss and Silver Valley around 545 PM CST.
  Gouldbusk around 555 PM CST.

Other locations impacted by these storms include Drasco, Oak Creek
Reservoir, Lake Coleman, Hords Creek Reservoir, Us-277 Near The
Runnels-Nolan-Taylor County Intersection, The Intersection Of
Highway 208 And Ranch Road 2662, Wilmeth, Us-283 Near The Coleman-
Callahan County Line and The Intersection Of US-277 And Highway 70.

A severe thunderstorm watch remains in effect until 1000 PM CST for
west central Texas.

LAT...LON 3144 9946 3145 9953 3149 9957 3149 9960
      3147 9961 3148 9965 3157 9972 3158 10025
      3169 10024 3168 10063 3208 10040 3208 9939
TIME...MOT...LOC 2252Z 271DEG 40KT 3206 10023 3160 10026

sn

Special weather statement, Jan 15, 5:21 PM CST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 15, 7:01 AM CST	Dense Fog Advisory	SJT	Brown, Callahan, Coke, Coleman, Concho, Fisher and 10 more	4 hr
Jan 15, 2:35 PM CST	Special Weather Statement	SJT	Crockett	55 min
Jan 15, 3:25 PM CST	Special Weather Statement	SJT	Crockett, Irion	65 min
Jan 15, 3:58 PM CST	Special Weather Statement	SJT	Coke, Sterling	62 min
Jan 15, 4:21 PM CST	Special Weather Statement	SJT	Schleicher, Sutton, Tom Green	54 min
Jan 15, 4:24 PM CST	Special Weather Statement	SJT	Jones, Nolan, Taylor	66 min
Jan 15, 4:43 PM CST	Areal Flood Advisory	SJT	Tom Green	3 hr
Jan 15, 4:54 PM CST	Special Weather Statement	SJT	Runnels	66 min
Jan 15, 5:09 PM CST	Areal Flood Advisory	SJT	Jones, Taylor	3 hr
Jan 15, 5:29 PM CST	Special Weather Statement	SJT	Schleicher	46 min

Nearby

Special Weather Statements in Texas, 2017 Every special weather statement in 2017

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.