Alert archive / Texas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 310, NWS San Angelo, TX

October 21, 2019Kimble County, Mason County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Oct 21, 2019, 12:45 AM CDT for Kimble County, Mason County, Texas. It was in force for 48 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: Oct 21, 2019, 12:45 AM CDT (05:45 UTC)
Expired: Oct 21, 2019, 1:33 AM CDT
In force: 48 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 0.75 in
Wind: 60.0 mph

Counties Kimble County, TX, Mason County, TX

The radar

The San Angelo radar (KSJT), 127 km from the middle of the area, began a volume at 05:48 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 (KDRT), launched 00:00Z, 5.8 hours before the alert went out and 185 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: 1220 J/kg
Mixed-layer CIN: -43 J/kg
Mixed-layer LCL: 2057 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 225 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

As transmitted.

641 
WUUS54 KSJT 210545
SVRSJT
TXC267-319-210645-
/O.NEW.KSJT.SV.W.0310.191021T0545Z-191021T0645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Angelo TX
1245 AM CDT Mon Oct 21 2019

The National Weather Service in San Angelo has issued a

* Severe Thunderstorm Warning for...
  Northeastern Kimble County in west central Texas...
  Southwestern Mason County in west central Texas...

* Until 145 AM CDT.

* At 1244 AM CDT, a severe thunderstorm was located over London, or
  14 miles northeast of Junction, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* This severe thunderstorm will remain over mainly rural areas of
  northeastern Kimble and southwestern Mason Counties.

This includes Interstate 10 near Mile Marker 455.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 3051 9979 3071 9968 3071 9919 3050 9918
TIME...MOT...LOC 0544Z 273DEG 27KT 3065 9961 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

SK

3 follow-up statements

898 
WWUS54 KSJT 210606
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
106 AM CDT Mon Oct 21 2019

TXC267-319-210645-
/O.CON.KSJT.SV.W.0310.000000T0000Z-191021T0645Z/
Kimble TX-Mason TX-
106 AM CDT Mon Oct 21 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR NORTHEASTERN KIMBLE AND SOUTHWESTERN MASON COUNTIES...

At 106 AM CDT, a severe thunderstorm was located 8 miles south of
Streeter, or 13 miles southwest of Mason, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Yates Crossing.

This includes Interstate 10 near Mile Marker 455.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3051 9979 3061 9961 3071 9952 3071 9919
      3050 9918
TIME...MOT...LOC 0606Z 273DEG 27KT 3064 9942 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Daniels

008 
WWUS54 KSJT 210627
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
127 AM CDT Mon Oct 21 2019

TXC267-210636-
/O.CAN.KSJT.SV.W.0310.000000T0000Z-191021T0645Z/
Kimble TX-
127 AM CDT Mon Oct 21 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KIMBLE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3050 9939 3071 9941 3071 9919 3050 9918
TIME...MOT...LOC 0626Z 273DEG 27KT 3063 9924 

$$

TXC319-210645-
/O.CON.KSJT.SV.W.0310.000000T0000Z-191021T0645Z/
Mason TX-
127 AM CDT Mon Oct 21 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR SOUTHWESTERN MASON COUNTY...

At 126 AM CDT, a severe thunderstorm was located 7 miles west of
Hedwigs Hill, or 8 miles south of Mason, moving east at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of
southwestern Mason County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 3050 9939 3071 9941 3071 9919 3050 9918
TIME...MOT...LOC 0626Z 273DEG 27KT 3063 9924 

TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
 
$$

Daniels

557 
WWUS54 KSJT 210633
SVSSJT

Severe Weather Statement
National Weather Service San Angelo TX
133 AM CDT Mon Oct 21 2019

TXC319-210643-
/O.CAN.KSJT.SV.W.0310.000000T0000Z-191021T0645Z/
Mason TX-
133 AM CDT Mon Oct 21 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN MASON COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

LAT...LON 3050 9939 3071 9941 3071 9919 3050 9918
TIME...MOT...LOC 0632Z 273DEG 27KT 3063 9918 

$$

Daniels

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 20, 9:54 PM CDT	Special Weather Statement	SJT	Schleicher	66 min
Oct 20, 10:29 PM CDT	Special Weather Statement	SJT	Concho	61 min
Oct 20, 10:51 PM CDT	Special Weather Statement	SJT	Sutton	54 min
Oct 20, 11:02 PM CDT	Special Weather Statement	SJT	Brown, Coleman, Concho	58 min
Oct 20, 11:07 PM CDT	Severe Thunderstorm Warning	SJT	Schleicher, Sutton	38 min
Oct 20, 11:18 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman	41 min
Oct 20, 11:30 PM CDT	Special Weather Statement	SJT	Menard	45 min
Oct 20, 11:47 PM CDT	Severe Thunderstorm Warning	SJT	Kimble, Menard	58 min
Oct 20, 11:53 PM CDT	Special Weather Statement	SJT	Sutton	52 min
Oct 21, 12:05 AM CDT	Severe Thunderstorm Warning	SJT	Mason	55 min
Oct 21, 12:23 AM CDT	Severe Thunderstorm Warning	SJT	Kimble	67 min
Oct 21, 12:40 AM CDT	Severe Thunderstorm Warning	SJT	McCulloch, San Saba	45 min
Oct 21, 12:53 AM CDT	Areal Flood Advisory	SJT	Kimble, Sutton	112 min
Oct 21, 1:29 AM CDT	Special Weather Statement	SJT	Mason	31 min

Nearby

Severe Thunderstorm Warnings in Texas, 2019 Every severe thunderstorm warning in 2019

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.