Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 16, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this severe thunderstorm warning at May 17, 2002, 12:57 AM CDT for Duval County, Webb County, Texas. It was in force for 48 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 17, 2002, 12:57 AM CDT (05:57 UTC)
- Expired
- May 17, 2002, 1:45 AM CDT
- In force
- 48 min
- Issued by
- NWS Corpus Christi, TX
- Area
- Counties, with a storm outline in the text
Counties Duval County, TX, Webb County, TX
The radar
The Corpus Christi radar (KCRP), 147 km from the middle of the area, began a volume at 05:57 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.
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 6.0 hours before the alert went out and 164 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
- 3134 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 783 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 8.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KCRP 170557 SVRCRP TXC131-479-170645- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 1256 AM CDT FRI MAY 17 2002 THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... DUVAL COUNTY IN TEXAS CENTRAL WEBB COUNTY IN TEXAS * UNTIL 145 AM CDT * AT 1245 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 28 MILES WEST OF FREER...OR ABOUT 22 MILES SOUTHEAST OF ENCINAL...MOVING EAST AT 55 MPH. THIS STORM WILL FOLLOW ALONG HIGHWAY 59 BETWEEN LAREDO AND FREER. * SOME LOCATIONS THREATENED THROUGH 145 AM CDT... FREER... THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING... DAMAGING WINDS UP TO 70 MILES AN HOUR... VERY HEAVY RAINFALL WHICH MAY CAUSE LOCALIZED FLOODING... THIS IS A DANGEROUS STORM. LAT...LON 2803 9940 2749 9948 2748 9837 2805 9835
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 16, 9:05 PM CDT, 3 hours 52 minutes earlier.
Area forecast discussion, May 16, 9:05 PM CDT, 3 hours 52 minutes before
COASTAL BEND FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 905 PM CDT THU MAY 16 2002 CONVECTIVE MCS CONTINUES TO DEVELOP ALONG THE SFC TROF AXIS IN THE PLAINS OF THE SIERRA MADRE...SOUTHWEST OF EAGLE PASS. THIS ACTIVITY APPEARS TO BE MOVING INTO A VERY UNSTABLE REGION WITH A MINIMAL CAP...WHICH SHOULD ALLOW THE SYSTEM TO CROSS THE RIO GRANDE...AND AFFECT NORTHERN PORTIONS OF WEBB...DIMMIT AND LASALLE COUNTIES. GOES POINT SOUNDINGS FOR LRD SHOWS CAPE 4000 J/KG...WHILE CRP 00Z SOUNDING RECORDED CAPE 3000 J/KG AND PWATS 2.00 INCHES. SO THERE IS PLENTY OF MOISTURE IN PLACE. PRECIP AREA IS MOVING EAST AT ABOUT 40 MPH AND COULD GENERATE SOME ISOLATED STRONG TO SEVERE WX...DUE TO HIGH CAPES. THE MEAN FLOW IS WEAK...SO IT COULD ALSO SLOW DOWN AND PRODUCE SOME HEAVY RAINFALL. WILL CONTINUE TO MONITOR THIS AREA CLOSELY THROUGH THE OVERNIGHT HOURS...AND ISSUE UPDATES AS NECESSARY. WILL UPDATE ZONES TO ADD POPS IN THE WEST. WILL ALSO TWEAK WINDS TO REFLECT SOME DECOUPLING. TEMPS LOOK FINE WITH MOIST ONSHORE FLOW AND GOOD CLOUD COVER TONIGHT. NO CHANGES TO MARINE. .CRP...SCA GMZ230-235. 75/81
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 12:07 AM CDT | Severe Thunderstorm Warning | CRP | Webb | 53 min |
| May 17, 1:41 AM CDT | Severe Thunderstorm Warning | CRP | Duval, Jim Wells | 49 min |
| May 17, 4:04 PM CDT | Severe Thunderstorm Warning | CRP | Goliad, Victoria | 41 min |
| May 17, 4:38 PM CDT | Severe Thunderstorm Warning | CRP | Bee | 67 min |
| May 17, 4:38 PM CDT | Severe Thunderstorm Warning | CRP | Bee, Calhoun, Duval, Goliad, Live Oak, Refugio and 2 more | 3 hr |
| May 17, 4:46 PM CDT | Special Marine Warning | CRP | 119 min | |
| May 17, 5:13 PM CDT | Flash Flood Warning | CRP | Goliad | 2 hr |
| May 17, 5:48 PM CDT | Severe Thunderstorm Warning | CRP | Duval, Jim Wells, Live Oak, McMullen | 2 hr |
| May 17, 5:53 PM CDT | Severe Thunderstorm Warning | CRP | Nueces, San Patricio | 3 hr |
| May 17, 6:50 PM CDT | Severe Thunderstorm Warning | CRP | Duval | 2 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
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.