Alert archive / Texas / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 21, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at May 20, 2011, 7:11 PM CDT for Jim Wells County, Kleberg County, Texas. It was in force for 38 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 20, 2011, 7:11 PM CDT (00:11 UTC)
- Expired
- May 20, 2011, 7:49 PM CDT
- In force
- 38 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Storm-based polygon
Counties Jim Wells County, TX, Kleberg County, TX
The radar
The Corpus Christi radar (KCRP), 56 km from the middle of the area, began a volume at 00:10 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
Corpus Christi, TX (KCRP), launched 00:00Z, 0.2 hours before the alert went out and 67 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
- 4855 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 870 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 9.0
The text
As transmitted, in the capitals the NWS used until 2016.
054
WUUS54 KCRP 210011
SVRCRP
TXC249-273-210100-
/O.NEW.KCRP.SV.W.0021.110521T0011Z-110521T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
711 PM CDT FRI MAY 20 2011
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL JIM WELLS COUNTY IN SOUTH TEXAS
WESTERN KLEBERG COUNTY IN SOUTH TEXAS
* UNTIL 800 PM CDT
* AT 706 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS
STORM WAS LOCATED NEAR LA GLORIA...OR 9 MILES SOUTH OF PREMONT...
AND MOVING NORTHEAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
PREMONT...
KINGSVILLE...
KINGSVILLE NAVAL AIR STATION...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
&&
LAT...LON 2724 9798 2726 9799 2726 9818 2764 9805
2764 9800 2758 9785 2756 9784 2756 9780
2755 9779
TIME...MOT...LOC 0011Z 205DEG 24KT 2725 9809
$$
PZ2 follow-up statements
443
WWUS54 KCRP 210035
SVSCRP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
735 PM CDT FRI MAY 20 2011
TXC249-273-210100-
/O.CON.KCRP.SV.W.0021.000000T0000Z-110521T0100Z/
JIM WELLS-KLEBERG-
735 PM CDT FRI MAY 20 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR WESTERN KLEBERG AND SOUTH CENTRAL JIM WELLS COUNTIES...
AT 733 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL. THIS STORM WAS LOCATED 15 MILES SOUTHWEST OF KINGSVILLE...OR 6
MILES EAST OF PREMONT...MOVING NORTHEAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
KINGSVILLE...
LAT...LON 2726 9799 2727 9813 2764 9805 2764 9800
2758 9785 2756 9784 2755 9779 2724 9798
TIME...MOT...LOC 0035Z 208DEG 20KT 2737 9802
$$
PZ782
WWUS54 KCRP 210049
SVSCRP
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
749 PM CDT FRI MAY 20 2011
TXC249-273-210058-
/O.CAN.KCRP.SV.W.0021.000000T0000Z-110521T0100Z/
JIM WELLS-KLEBERG-
749 PM CDT FRI MAY 20 2011
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KLEBERG AND SOUTH
CENTRAL JIM WELLS COUNTIES IS CANCELLED...
THE STORM HAS WEAKENED BELOW SEVERE LIMITS.
LAT...LON 2726 9799 2727 9813 2764 9805 2764 9800
2758 9785 2756 9784 2755 9779 2724 9798
TIME...MOT...LOC 0048Z 208DEG 20KT 2743 9798
$$
PZNearby
Severe Thunderstorm Warnings in Texas, 2011Every severe thunderstorm warning in 2011
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.