Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 10, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at May 11, 2021, 6:21 PM CDT for 4 counties in 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
- May 11, 2021, 6:21 PM CDT (23:21 UTC)
- Expired
- May 11, 2021, 7:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Duval County, TX, Jim Wells County, TX, Live Oak County, TX, McMullen County, TX
The radar
The Corpus Christi radar (KCRP), 97 km from the middle of the area, began a volume at 23:22 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 11, 3:41 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 11.4 hours before the alert went out and 115 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
- 1953 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 825 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -52 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -2.5
The text
As transmitted.
545
WUUS54 KCRP 112321
SVRCRP
TXC131-249-297-311-120000-
/O.NEW.KCRP.SV.W.0010.210511T2321Z-210512T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Corpus Christi TX
621 PM CDT Tue May 11 2021
The National Weather Service in Corpus Christi has issued a
* Severe Thunderstorm Warning for...
Northeastern Duval County in south central Texas...
Southeastern McMullen County in south central Texas...
Northwestern Jim Wells County in south central Texas...
Southwestern Live Oak County in south central Texas...
* Until 700 PM CDT.
* At 621 PM CDT, a severe thunderstorm was located 10 miles northeast
of Loma Alta, or 17 miles southeast of Tilden, moving southeast at
15 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* This severe thunderstorm will be near...
Clegg around 700 PM CDT.
This includes US Highway 59 between mile markers 734 and 754.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Corpus Christi.
&&
LAT...LON 2825 9854 2834 9836 2806 9812 2791 9846
TIME...MOT...LOC 2321Z 330DEG 14KT 2824 9841
HAIL...1.50IN
WIND...60MPH
$$
JCPThe office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 8:58 PM CDT | Special Weather Statement | CRP | La Salle | 32 min |
| May 10, 9:35 PM CDT | Special Weather Statement | CRP | La Salle | 40 min |
| May 10, 10:15 PM CDT | Special Weather Statement | CRP | McMullen | 45 min |
| May 11, 12:35 AM CDT | Special Weather Statement | CRP | San Patricio | 40 min |
| May 11, 1:09 AM CDT | Special Weather Statement | CRP | San Patricio | 51 min |
| May 11, 1:34 AM CDT | Areal Flood Advisory | CRP | Bee, Refugio, San Patricio | 3 hr |
| May 11, 1:43 AM CDT | Special Weather Statement | CRP | San Patricio | 47 min |
| May 11, 2:03 AM CDT | Special Weather Statement | CRP | San Patricio | 42 min |
| May 11, 2:45 AM CDT | Special Weather Statement | CRP | San Patricio | 45 min |
| May 11, 3:09 PM CDT | Special Weather Statement | CRP | La Salle | 36 min |
| May 11, 3:46 PM CDT | Special Weather Statement | CRP | La Salle | 29 min |
| May 11, 4:23 PM CDT | Severe Thunderstorm Warning | CRP | La Salle, McMullen | 52 min |
| May 11, 4:38 PM CDT | Areal Flood Advisory | CRP | La Salle, McMullen | 3 hr |
| May 11, 5:03 PM CDT | Severe Thunderstorm Warning | CRP | McMullen | 42 min |
| May 11, 5:20 PM CDT | Tornado Warning | CRP | Live Oak, McMullen | 40 min |
| May 11, 5:38 PM CDT | Severe Thunderstorm Warning | CRP | Live Oak, McMullen | 52 min |
| May 11, 6:18 PM CDT | Tornado Warning | CRP | Duval, Live Oak, McMullen | 42 min |
| May 11, 6:29 PM CDT | Special Weather Statement | CRP | La Salle | 31 min |
| May 11, 6:35 PM CDT | Severe Thunderstorm Warning | CRP | La Salle, McMullen, Webb | 40 min |
| May 11, 6:48 PM CDT | Areal Flood Advisory | CRP | Duval, La Salle, McMullen, Webb | 3 hr |
| May 11, 6:52 PM CDT | Severe Thunderstorm Warning | CRP | Duval, McMullen | 38 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.