Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 18, NWS San Angelo, TX

March 26, 2018Coke County, Nolan County, Sterling County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Mar 26, 2018, 7:00 PM CDT for Coke County, Nolan County, Sterling County, Texas. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 26, 2018, 7:00 PM CDT (00:00 UTC)
Expired
Mar 26, 2018, 7:45 PM CDT
In force
45 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.75 in
Wind
60.0 mph

Counties Coke County, TX, Nolan County, TX, Sterling County, TX

The radar

The San Angelo radar (KSJT), 73 km from the middle of the area, began a volume at 00:00 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 26, 12:37 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 26, 2:56 PM CDTSevere Thunderstorm WatchSPC11 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 0.0 hours before the alert went out and 145 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 2018-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 2018-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -222 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
22 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
2214 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
-222 m²/s²
0-3 km storm-relative helicity
-153 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 severe thunderstorm warning 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 severe thunderstorm warning went out at Mar 26, 6:56 PM CDT, 4 minutes earlier.

Area forecast discussion, Mar 26, 6:56 PM CDT, 4 minutes before
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Hazardous weather outlook, Mar 26, 5:56 PM CDT, 1 hour 4 minutes before
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In the hours before

Special weather statement, Mar 26, 3:55 PM CDT, 3 hours 5 minutes before
Special Weather Statement
National Weather Service San Angelo TX
355 PM CDT MON MAR 26 2018

TXZ098-113-262145-
Haskell TX-Jones TX-
355 PM CDT MON MAR 26 2018

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN HASKELL AND NORTHERN
JONES COUNTIES UNTIL 445 PM CDT...

At 355 PM CDT, Doppler radar was tracking a strong thunderstorm near
Neinda, or near Hamlin, moving northeast at 45 mph.

Nickel size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Haskell, Stamford, Paint Creek and Lake Stamford Marina around 430
  PM CDT.

Other locations impacted by this storm include Tuxedo.

A severe thunderstorm watch remains in effect until 900 PM CDT for
west central Texas.

LAT...LON 3304 9946 3302 9947 3295 9959 3296 9961
      3294 9961 3272 10003 3285 10015 3289 10015
      3296 10006 3296 9999 3302 9999 3327 9969
TIME...MOT...LOC 2055Z 229DEG 40KT 3286 10003

KRD
Local storm report, Mar 26, 4:02 PM CDT, 2 hours 58 minutes before
PRELIMINARY LOCAL STORM REPORT
National Weather Service San Angelo Tx
402 PM CDT MON MAR 26 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 PM     HAIL             8 S ROBY                32.63N 100.38W
03/26/2018  E1.75 INCH       FISHER             TX   BROADCAST MEDIA

            PICTURE RECEIVED ON TWITTER VIA BROADCAST MEDIA

&&

EVENT NUMBER SJT1800024

AJW
Local storm report, Mar 26, 4:23 PM CDT, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
National Weather Service San Angelo Tx
423 PM CDT MON MAR 26 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0413 PM     HAIL             4 E TUXEDO              32.93N  99.88W
03/26/2018  E1.00 INCH       JONES              TX   TRAINED SPOTTER

&&

EVENT NUMBER SJT1800025

AJW
Special weather statement, Mar 26, 4:34 PM CDT, 2 hours 26 minutes before
Special Weather Statement
National Weather Service San Angelo TX
434 PM CDT MON MAR 26 2018

TXZ099-114-262215-
Throckmorton TX-Shackelford TX-
434 PM CDT MON MAR 26 2018

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL SHACKELFORD AND
SOUTHEASTERN THROCKMORTON COUNTIES UNTIL 515 PM CDT...

At 433 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles west of Albany, moving northeast at 45 mph.

Dime size hail and winds in excess of 40 mph will be possible with
this storm.

This strong thunderstorm will be near...
  Albany around 440 PM CDT.
  Fort Griffin around 455 PM CDT.
  Woodson around 510 PM CDT.

Other locations impacted by this storm include The Intersection Of
US-283 And Ranch Road 209, US-183 Near The Throckmorton-
Stephens County Line, McCarty Lake and US-180 Near The Shackelford-
Stephens County Line.

A severe thunderstorm watch remains in effect until 900 PM CDT for
west central Texas.

LAT...LON 3297 9895 3295 9900 3295 9909 3276 9910
      3258 9943 3271 9958 3310 9913
TIME...MOT...LOC 2133Z 227DEG 41KT 3274 9942

KRD
Local storm report, Mar 26, 4:46 PM CDT, 2 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
National Weather Service San Angelo Tx
446 PM CDT MON MAR 26 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0439 PM     HAIL             11 N THROCKMORTON       33.34N  99.18W
03/26/2018  E1.00 INCH       THROCKMORTON       TX   TRAINED SPOTTER

&&

EVENT NUMBER SJT1800026

AJW
Local storm report, Mar 26, 5:05 PM CDT, 1 hour 55 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 26, 7:13 PM CDTSevere Thunderstorm WarningSJTFisher, Haskell, Jones47 min
Mar 26, 7:17 PM CDTSevere Thunderstorm WarningSJTFisher, Jones, Nolan, Taylor33 min
Mar 26, 7:45 PM CDTSevere Thunderstorm WarningSJTCoke, Nolan, Taylor45 min
Mar 26, 8:04 PM CDTSevere Thunderstorm WarningSJTHaskell, Shackelford, Throckmorton26 min
Mar 26, 8:30 PM CDTSevere Thunderstorm WarningSJTShackelford, Throckmorton45 min
Mar 26, 8:37 PM CDTSpecial Weather StatementSJTShackelford23 min
Mar 26, 10:08 PM CDTSpecial Weather StatementSJTSterling37 min
Mar 26, 10:55 PM CDTSpecial Weather StatementSJTCoke35 min
Mar 26, 11:05 PM CDTSpecial Weather StatementSJTIrion25 min
Mar 26, 11:32 PM CDTSevere Thunderstorm WarningSJTCoke, Irion, Tom Green58 min
Mar 26, 11:42 PM CDTSpecial Weather StatementSJTNolan33 min
Mar 27, 12:00 AM CDTSpecial Weather StatementSJTTaylor45 min
Mar 27, 12:12 AM CDTSevere Thunderstorm WarningSJTCallahan, Taylor48 min
Mar 27, 12:23 AM CDTSpecial Weather StatementSJTRunnels67 min
Mar 27, 12:55 AM CDTSpecial Weather StatementSJTCrockett50 min
Mar 27, 1:02 AM CDTSpecial Weather StatementSJTCallahan, Shackelford43 min
Mar 27, 1:46 AM CDTSpecial Weather StatementSJTCrockett, Schleicher44 min
Mar 27, 2:34 AM CDTSpecial Weather StatementSJTSchleicher41 min
Mar 27, 3:21 AM CDTSpecial Weather StatementSJTColeman, Concho, Runnels54 min
Mar 27, 3:26 AM CDTSpecial Weather StatementSJTCrockett64 min
Mar 27, 4:18 AM CDTSpecial Weather StatementSJTBrown, Coleman57 min
Mar 27, 8:44 AM CDTSpecial Weather StatementSJTColeman46 min

Nearby

Severe Thunderstorm Warnings in Texas, 2018Every severe thunderstorm warning in 2018

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.