Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 9, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 17, 2021, 12:25 AM CDT for Coke County, Irion County, Tom Green County, Texas. It was in force for 65 min. 5 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
- Mar 17, 2021, 12:25 AM CDT (05:25 UTC)
- Expired
- Mar 17, 2021, 1:30 AM CDT
- In force
- 65 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Coke County, TX, Irion County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 33 km from the middle of the area, began a volume at 05:27 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 17, 12:55 AM CDT | HAIL 1 | 4 Wsw San Angelo, TX | NICKEL TO QUARTER SIZE HAIL REPORTED VIA FACEBOOK. |
| Mar 17, 12:58 AM CDT | HAIL 1 | 4 Wsw San Angelo, TX | |
| Mar 17, 12:59 AM CDT | HAIL 1 | 4 W San Angelo, TX | REPORT FROM MPING: QUARTER (1.00 IN.). |
| Mar 17, 1:10 AM CDT | HAIL 1 | 1 N Harriet, TX | PEA TO QUARTER SIZE HAIL REPORTED. |
| Mar 17, 1:10 AM CDT | HAIL 1.75 | Harriet, TX | REPORTED VIA TWITTER WITH PICTURE AT 1:50AM CT. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 16, 10:26 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 5.4 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.
- Mixed-layer CAPE
- 30 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 3894 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
994
WUUS54 KSJT 170525
SVRSJT
TXC081-235-451-170630-
/O.NEW.KSJT.SV.W.0009.210317T0525Z-210317T0630Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Angelo TX
1225 AM CDT Wed Mar 17 2021
The National Weather Service in San Angelo has issued a
* Severe Thunderstorm Warning for...
Southern Coke County in west central Texas...
Northeastern Tom Green County in west central Texas...
Northeastern Irion County in west central Texas...
* Until 130 AM CDT.
* At 1223 AM CDT, severe thunderstorms were located along a line
extending from near Water Valley to Arden to 9 miles west of
Mertzon, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Carlsbad and Water Valley around 1230 AM CDT.
Grape Creek around 1235 AM CDT.
San Angelo State Park and O.c. Fisher Reservoir around 1240 AM
CDT.
San Angelo around 1245 AM CDT.
Tankersley and Orient around 1250 AM CDT.
Tennyson and Twin Buttes Reservoir around 1255 AM CDT.
Lake Nasworthy around 100 AM CDT.
Goodfellow Air Force Base around 110 AM CDT.
Other locations impacted by these severe thunderstorms include The
Intersection Of Highway 208 And Ranch Road 2662, Us-87 Near The Coke-
Tom Green County Line, Us-67 Near The Irion-
Tom Green County Line and Harriet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 these storms. 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 3157 10089 3157 10087 3170 10086 3170 10083
3171 10083 3185 10024 3131 10022 3126 10097
TIME...MOT...LOC 0523Z 251DEG 43KT 3162 10072 3146 10075 3122 10097
HAIL...1.00IN
WIND...60MPH
$$
PO2 follow-up statements
510
WWUS54 KSJT 170555
SVSSJT
Severe Weather Statement
National Weather Service San Angelo TX
1255 AM CDT Wed Mar 17 2021
TXC235-170601-
/O.CAN.KSJT.SV.W.0009.000000T0000Z-210317T0630Z/
Irion TX-
1255 AM CDT Wed Mar 17 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN IRION COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 500 AM CDT for
west central Texas.
LAT...LON 3176 10061 3185 10024 3131 10022 3128 10069
3152 10069
TIME...MOT...LOC 0551Z 251DEG 43KT 3172 10038 3156 10041 3132 10063
$$
TXC081-451-170630-
/O.CON.KSJT.SV.W.0009.000000T0000Z-210317T0630Z/
Coke TX-Tom Green TX-
1255 AM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR SOUTHEASTERN COKE AND NORTHEASTERN TOM GREEN COUNTIES...
At 1251 AM CDT, severe thunderstorms were located along a line
extending from near Orient to 7 miles northeast of O.c. Fisher
Reservoir to near Tankersley, moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
These severe storms will be near...
Tennyson and Orient around 100 AM CDT.
Goodfellow Air Force Base around 110 AM CDT.
Wall around 115 AM CDT.
Veribest around 120 AM CDT.
Other locations impacted by these severe thunderstorms include The
Intersection Of Highway 208 And Ranch Road 2662, Harriet and Us-
67 Near The Irion-Tom Green County Line.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3176 10061 3185 10024 3131 10022 3128 10069
3152 10069
TIME...MOT...LOC 0551Z 251DEG 43KT 3172 10038 3156 10041 3132 10063
HAIL...1.00IN
WIND...60MPH
$$
PO650
WWUS54 KSJT 170604
SVSSJT
Severe Weather Statement
National Weather Service San Angelo TX
104 AM CDT Wed Mar 17 2021
TXC081-451-170630-
/O.CON.KSJT.SV.W.0009.000000T0000Z-210317T0630Z/
Coke TX-Tom Green TX-
104 AM CDT Wed Mar 17 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM CDT
FOR SOUTHEASTERN COKE AND NORTHEASTERN TOM GREEN COUNTIES...
At 102 AM CDT, severe thunderstorms were located along a line
extending from Tennyson to near Orient to near Twin Buttes Reservoir,
moving east at 50 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
These severe storms will be near...
Tennyson around 110 AM CDT.
Veribest around 125 AM CDT.
Other locations impacted by these severe thunderstorms include The
Intersection Of Highway 208 And Ranch Road 2662 and Harriet.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3185 10024 3131 10022 3129 10057 3180 10046
TIME...MOT...LOC 0602Z 251DEG 43KT 3175 10027 3159 10030 3135 10052
HAIL...1.00IN
WIND...60MPH
$$
POThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 11:46 PM CDT | Special Weather Statement | SJT | Irion | 44 min |
| Mar 17, 12:50 AM CDT | Special Weather Statement | SJT | Taylor | 40 min |
| Mar 17, 1:13 AM CDT | Severe Thunderstorm Warning | SJT | Coleman, Concho, Runnels, Tom Green | 47 min |
| Mar 17, 1:25 AM CDT | Special Weather Statement | SJT | Shackelford | 35 min |
| Mar 17, 1:37 AM CDT | Special Weather Statement | SJT | Callahan | 23 min |
| Mar 17, 1:59 AM CDT | Severe Thunderstorm Warning | SJT | Brown, Callahan, Coleman, Concho, McCulloch, San Saba | 61 min |
| Mar 17, 2:10 AM CDT | Special Weather Statement | SJT | Shackelford | 20 min |
| Mar 17, 2:33 AM CDT | Special Weather Statement | SJT | McCulloch | 27 min |
| Mar 17, 2:56 AM CDT | Special Weather Statement | SJT | San Saba | 49 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.