Alert archive / Texas / Special Weather Statements in 2021
Special Weather Statement, NWS San Angelo, TX
NWS San Angelo, TX issued this special weather statement at Oct 10, 2021, 6:21 PM CDT for Throckmorton County, Texas. It was in force for 39 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 10, 2021, 6:21 PM CDT (23:21 UTC)
- Expired
- Oct 10, 2021, 7:00 PM CDT
- In force
- 39 min
- Issued by
- NWS San Angelo, TX
- Hail
- 0.88 in
- Wind
- 40
County Throckmorton County, TX
The radar
The Dyess AFB radar (KDYX), 81 km from the middle of the area, began a volume at 23:25 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
Fort Worth, TX (KFWD), launched 12:00Z, 11.4 hours before the alert went out and 179 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 688 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
339
WWUS84 KSJT 102321
SPSSJT
Special Weather Statement
National Weather Service San Angelo TX
621 PM CDT Sun Oct 10 2021
TXZ098-099-110000-
Haskell TX-Throckmorton TX-
621 PM CDT Sun Oct 10 2021
...A strong thunderstorm will impact portions of east central Haskell
and central Throckmorton Counties through 700 PM CDT...
At 620 PM CDT, Doppler radar was tracking a strong thunderstorm near
Irby, moving east at 55 mph.
HAZARD...Winds in excess of 40 mph and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
Locations impacted include...
Throckmorton, Irby, Elbert and The Intersection Of Us-
380 And Highway 222.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Tornado Watch remains in effect until 200 AM CDT for west central
Texas.
&&
LAT...LON 3333 9895 3314 9895 3303 9949 3320 9956
3340 9912 3339 9898
TIME...MOT...LOC 2320Z 250DEG 50KT 3315 9944
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH
$$
SJHThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 11:15 AM CDT | Wind Advisory | SJT | Fisher, Haskell, Jones, Nolan | 9 hr |
| Oct 10, 6:03 PM CDT | Special Weather Statement | SJT | Throckmorton | 42 min |
| Oct 10, 6:07 PM CDT | Special Weather Statement | SJT | Shackelford | 38 min |
| Oct 10, 6:51 PM CDT | Special Weather Statement | SJT | Shackelford | 39 min |
| Oct 10, 6:58 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford | 13 min |
Nearby
Special Weather Statements in Texas, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.