Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 37, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at May 21, 2001, 7:08 PM CDT for Duval County, Jim Wells County, Texas. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 21, 2001, 7:08 PM CDT (00:08 UTC)
- Expired
- May 21, 2001, 8:15 PM CDT
- In force
- 67 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Whole counties
Counties Duval County, TX, Jim Wells County, TX
The radar
The Corpus Christi radar (KCRP), 78 km from the middle of the area, began a volume at 00:09 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 21, 5:15 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.1 hours before the alert went out and 94 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
- 3375 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -31 m²/s²
- Significant tornado parameter
- -0.4
- Supercell composite
- -2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KCRP 220009 SVRCRP TXC131-249-220115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 708 PM CDT MON MAY 21 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN DUVAL COUNTY IN TEXAS SOUTHERN JIM WELLS COUNTY IN TEXAS * UNTIL 815 PM CDT * AT 704 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES SOUTHWEST OF CONCEPCION...OR ABOUT 16 MILES EAST OF HEBBRONVILLE...MOVING NORTHEAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... OVER CONCEPCION AROUND 725 PM CDT... OVER RIOS AROUND 730 PM CDT... 8 MILES NORTHWEST OF PREMONT AROUND 740 PM CDT... THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING... HAIL UP TO THE SIZE OF DIMES... WINDS UP TO 60 MILES AN HOUR... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.s TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS WITH LITTLE WARNING. $$ LAT...LON 2731 9856 2718 9842 2727 9806 2757 9810
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Corpus Christi, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 21, 2:15 PM CDT, 4 hours 53 minutes earlier.
Area forecast discussion, May 21, 2:15 PM CDT, 4 hours 53 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 215 PM CDT MON MAY 21 2001 SHORT TERM...MSAS REVEALS SURFACE FRONT APPROACHING THE NRN CWA. EXPECT FROPA OVER THE CWA THIS EVENING/TONIGHT...AS THE CORRESPONDING UPPER TROUGH/LOW MOVES EAST ACROSS THE PLAINS. MOST RECENT GOES PROXIMITY SOUNDINGS INDICATE THAT THE CIN HAS DIMINISHED SIGNIFICANTLY. IN FACT...WDLY SCT CONVECTION HAS ALREADY OCCURRED OVR PORTIONS OF MAINLY DEEP SOUTH TX. FURTHER...THE CWA WL REMAIN UNDER THE RRQ OF AN UPPER JET STREAK. AS THE FRONT MOVES ACROSS... EXPECT IT TO TRIGGER CONVECTION. VERTICAL SHEAR MAY STILL SUPPORT STG TO SEVERE ACTIVITY...MAINLY ALONG THE FRONT. WL MAINTAIN POPS THIS EVENING/EARLY TONIGHT OVER THE CWA. BY TUESDAY...EXPECT SIGNIFICANT DRYING. EXTENDED...THE MRF CONTINUES TO STALL THE FOREGOING UPPER LOW...WITH THE CENTER OVER THE MIDWEST...THROUGH FRIDAY...THEN LIFTS IT NEWD SAT/SUNDAY. A WEAK SECONDARY SURGE/FNT STILL ANTICIPATED BY FRIDAY... HWR DO NOT ANTICIPATE PCPN OWING TO INSUFFICIENT MSTR. MARINE...FROPA EXPECTED BY LATE AFTERNOON FOR THE BAYS AND OFFSHORE THIS EVENING. STRONG NLY WINDS BEHIND CF WILL WARRANT SCAS FOR ALL MARINE ZONES. SCT TO NUM TSRAS EXPECTED AS FRONT PUSHES OFFSHORE DUE TO AMPLE MOISTURE...THETA E RIDGING...LIFT...POLAR JET...WEAKENING CAP...ETC. WILL ISSUE MWS WITH LATEST INFO ON FRONT. BY TUE AFTERNOON...HIGH PRESS SETTLES ACROSS THE AREA WITH IMPROVING CONDITIONS AND RELAXING GRADIENT. NO SCAS EXPECTED THE REMAINDER OF THE WEEK. ONSHORE FLOW RAPIDLY RETURNS BY WED AS THE HIGH SHIFTS E. ANOTHER SURGE OF HIGH PRESS SINKS SWD WITH WINDS BACKING TO THE NE BY THU NIGHT/FRI MORN. RETURN FLOW SETS UP AGAIN BY LATE FRI AS HIGH SHIFTS EAST. CRP BU 064/083 062/088 068 87400 VCT BU 058/083 060/088 065 87400 LRD BU 064/085 065/090 065 87200 .CRP...SCA GMZ230-235-250-255-270-275. 87 (SYNOPTIC) 81 (MESO)
In the hours before
Special weather statement, May 21, 3:40 PM CDT, 3 hours 28 minutes before
TXZ231>234-241-243>247-220200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 340 PM CDT MON MAY 21 2001 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 9 PM CDT MONDAY EVENING. THE WATCH INCLUDES THE COUNTIES OF ARANSAS...BEE...CALHOUN...GOLIAD...JIM WELLS...KLEBERG... LIVE OAK...NUECES...REFUGIO...SAN PATRICIO AND VICTORIA. SOME CITIES INCLUDED IN THE WATCH ARE ALICE...ARANSAS PASS... BEEVILLE...CHOKE CANYON...CORPUS CHRISTI...HOLIDAY BEACH... INGLESIDE...LAKE CORPUS CHRISTI...LONG MOTT...MATHIS...PLACEDO... PORT LAVACA...PORT OCONNOR...PORTLAND... PREMONT...ROBSTOWN... ROCKPORT...SEADRIFT...SINTON...SKIDMORE...VICTORIA AND WOODSBORO. THIS SEVERE THUNDERSTORM WATCH INCLUDES THE BAYS AND INLAND WATERWAYS...FROM PORT OCONNOR TO BAFFIN BAY...AS WELL AS THE NEAR SHORE WATERS FROM BAFFIN BAY TO THE MATAGORDA SHIP CHANNEL OUT TO 20 NAUTICAL MILES. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO OCCUR IN OR NEAR THE WATCH AREA. SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF A DIME OR LARGER...STRONG WINDS OF 58 MPH OR GREATER AND EVEN TORNADOES. EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE READY TO ACT QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA. IF SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN SEVERE WEATHER. GW
Special weather statement, May 21, 5:00 PM CDT, 2 hours 8 minutes before
TXZ231>234-240-243>247-220300- SPECIAL WEATHER STATEMENT...UPDATED. NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 500 PM CDT MON MAY 21 2001 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM CDT... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 9 PM CDT MONDAY EVENING. THE WATCH INCLUDES THE COUNTIES OF ARANSAS...BEE...CALHOUN...GOLIAD...JIM WELLS...KLEBERG... DUVAL...LIVE OAK...NUECES...REFUGIO...SAN PATRICIO AND VICTORIA. SOME CITIES INCLUDED IN THE WATCH ARE ALICE...ARANSAS PASS... BEEVILLE...CHOKE CANYON...CORPUS CHRISTI...HOLIDAY BEACH... INGLESIDE...LAKE CORPUS CHRISTI...LONG MOTT...MATHIS...PLACEDO... PORT LAVACA...PORT OCONNOR...PORTLAND... PREMONT...ROBSTOWN... ROCKPORT...SEADRIFT...SINTON...FREER...SKIDMORE...VICTORIA AND WOODSBORO. THIS SEVERE THUNDERSTORM WATCH INCLUDES THE BAYS AND INLAND WATERWAYS...FROM PORT OCONNOR TO BAFFIN BAY...AS WELL AS THE NEAR SHORE WATERS FROM BAFFIN BAY TO THE MATAGORDA SHIP CHANNEL OUT TO 20 NAUTICAL MILES. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS TO OCCUR IN OR NEAR THE WATCH AREA. SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF A DIME OR LARGER...STRONG WINDS OF 58 MPH OR GREATER AND EVEN TORNADOES. EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD BE PREPARED FOR POSSIBLE ACTIVATION. RESIDENTS ACROSS SOUTH TEXAS SHOULD REMAIN ALERT AND BE READY TO ACT QUICKLY IF THREATENING WEATHER APPROACHES YOUR AREA. IF SEVERE WEATHER THREATENS YOUR AREA...THEN MOVE TO AN INTERIOR ROOM AND LAY DOWN ON THE FLOOR. IF CAUGHT OUTSIDE...LAY FLAT DOWN ON THE GROUND...PREFERABLY IN A DITCH OR OTHER LOW SPOT. NEVER TRY TO OUTRUN SEVERE WEATHER. BL
Special weather statement, May 21, 6:48 PM CDT, 20 minutes before
TXZ231>234-220545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 648 PM CDT MON MAY 21 2001 ...SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED... THE SEVERE THUNDERSTORM WATCH VALID UNTIL 9 PM CDT HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES...BEE...GOLIAD...LIVE OAK AND VICTORIA. CITIES NO LONGER IN THE WATCH INCLUDE BEEVILLE...CHOKE CANYON...LAKE CORPUS CHRISTI...PLACEDO...SKIDMORE AND VICTORIA. A COLD wFRONT HAS PUSHED THROUGH THE AREA...CREATING A DRIER AND MORE STABLE ATMOSPHERE. AS A RESULT...SEVERE WEATHER IS NO LONGER EXPECTED IN THE AFOREMENTIONED COUNTIES. GW
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:39 PM CDT | Severe Thunderstorm Warning | CRP | Kleberg, Nueces | 66 min |
| May 21, 8:51 PM CDT | Severe Thunderstorm Warning | CRP | Jim Wells | 54 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
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.