Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 85, NWS San Angelo, TX

May 10, 2021Kimble County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 10, 2021, 4:46 PM CDT for Kimble County, Texas. It was in force for 59 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 10, 2021, 4:46 PM CDT (21:46 UTC)
Expired
May 10, 2021, 5:45 PM CDT
In force
59 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Kimble County, TX

The radar

The San Angelo radar (KSJT), 120 km from the middle of the area, began a volume at 21:47 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.

What was reported inside it

TimeReportWhereRemark
May 10, 5:07 PM CDTHAIL 1.756 S Cleo, TXHAIL UP TO GOLF BALL SIZE ALONG MILE MARKER 445 ON I-10 WEST OF JUNCTION.
May 10, 5:15 PM CDTHAIL 2.755 S Cleo, TXA RAINFALL OBSERVER REPORTED GOLF BALL TO BASEBALL SIZE HAIL.
May 10, 5:20 PM CDTHAIL 2.751 E Cleo, TXGOLF BALL TO BASEBALL SIZE HAIL REPORTED IN CLEO IN NORTHERN KIMBLE COUNTY.
May 10, 5:25 PM CDTHAIL 2.755 E Cleo, TXAT LEAST BASEBALL SIZE HAIL BROKE SEVERAL WINDOWS ALONG US-83 NORTH OF JUNCTION.

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

The watch it was issued in

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

IssuedProductOfficeLasted
May 10, 1:48 PM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.8 hours before the alert went out and 160 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 2021-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2989 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 square meters per square second.19395878Sfc1 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
2989 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
828 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.7

Open this sounding in Storm Lab

The text

As transmitted.

137 
WUUS54 KSJT 102146
SVRSJT
TXC267-102245-
/O.NEW.KSJT.SV.W.0085.210510T2146Z-210510T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Angelo TX
446 PM CDT Mon May 10 2021

The National Weather Service in San Angelo has issued a

* Severe Thunderstorm Warning for...
  Central Kimble County in west central Texas...

* Until 545 PM CDT.

* At 445 PM CDT, a severe thunderstorm was located near Telegraph,
  moving northeast at 25 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  South Llano River State Park around 510 PM CDT.
  Junction and Segovia around 520 PM CDT.
  Yates Crossing and London around 545 PM CDT.

Other locations impacted by this severe thunderstorm include Us-
377 Near The Kimble-Edwards County Line and Cleo.

This includes Interstate 10 between Mile Markers 443 and 470.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3038 10005 3061 9991 3070 9970 3068 9955
      3058 9950 3039 9954 3028 9984 3029 9994
TIME...MOT...LOC 2145Z 226DEG 20KT 3037 9992 

HAIL...1.00IN
WIND...<50MPH
 
$$
1 follow-up statement
589 
WWUS54 KSJT 102157
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
457 PM CDT Mon May 10 2021

TXC267-102245-
/O.CON.KSJT.SV.W.0085.000000T0000Z-210510T2245Z/
Kimble TX-
457 PM CDT Mon May 10 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR CENTRAL KIMBLE COUNTY...

At 457 PM CDT, a severe thunderstorm was located over South Llano
River State Park, or near Junction, moving northeast at 25 mph.

HAZARD...Golf ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect damage 
         to roofs, siding, windows, and vehicles.

This severe storm will be near...
  South Llano River State Park around 500 PM CDT.
  Junction and Segovia around 510 PM CDT.
  Yates Crossing around 535 PM CDT.
  London around 550 PM CDT.

Other locations impacted by this severe thunderstorm include Us-
377 Near The Kimble-Edwards County Line and Cleo.

This includes Interstate 10 between Mile Markers 443 and 470.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3038 10005 3061 9991 3070 9970 3068 9955
      3058 9950 3039 9954 3028 9984 3029 9994
TIME...MOT...LOC 2157Z 224DEG 23KT 3045 9984 

HAIL...1.75IN
WIND...<50MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:02 PM CDTSevere Thunderstorm WarningSJTMcCulloch, San Saba28 min
May 9, 7:30 PM CDTSevere Thunderstorm WarningSJTSan Saba45 min
May 9, 9:29 PM CDTSpecial Weather StatementSJTMason46 min
May 10, 4:38 PM CDTSpecial Weather StatementSJTKimble52 min
May 10, 5:13 PM CDTSpecial Weather StatementSJTMcCulloch47 min
May 10, 5:18 PM CDTSevere Thunderstorm WarningSJTKimble, Menard57 min
May 10, 5:21 PM CDTSevere Thunderstorm WarningSJTConcho, McCulloch54 min
May 10, 5:51 PM CDTSevere Thunderstorm WarningSJTConcho, McCulloch, Mason, Menard24 min
May 10, 6:15 PM CDTSevere Thunderstorm WarningSJTBrown, Coleman, McCulloch, San Saba60 min
May 10, 6:39 PM CDTSpecial Weather StatementSJTBrown51 min
May 10, 6:50 PM CDTSevere Thunderstorm WarningSJTBrown40 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021Every severe thunderstorm 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.