Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 21, NWS Corpus Christi, TX

May 17, 20024 counties in Texas

NWS Corpus Christi, TX issued this severe thunderstorm warning at May 17, 2002, 5:48 PM CDT for 4 counties in Texas. It was in force for 2 hr. 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, 5:48 PM CDT (22:48 UTC)
Expired: May 17, 2002, 8:15 PM CDT
In force: 2 hr
Issued by: NWS Corpus Christi, TX
Area: Counties, with a storm outline in the text

Counties Duval County, TX, Jim Wells County, TX, Live Oak County, TX, McMullen County, TX

The radar

The Corpus Christi radar (KCRP), 72 km from the middle of the area, began a volume at 22:49 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 17, 5:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 10.8 hours before the alert went out and 86 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1839 J/kg
Mixed-layer CIN: -146 J/kg
Mixed-layer LCL: 894 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 272 m²/s²
0-3 km storm-relative helicity: 311 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KCRP 172350
SVRCRP
TXC131-249-297-311-180115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
648 PM CDT FRI MAY 17 2002

THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DUVAL COUNTY IN TEXAS
  NORTHERN JIM WELLS COUNTY IN TEXAS
  SOUTHERN LIVE OAK COUNTY IN TEXAS
  SOUTHERN MCMULLEN COUNTY IN TEXAS

* UNTIL 815 PM CDT

* AT 648 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER CLEGG...OR ABOUT 21 MILES SOUTHWEST OF
  GEORGE WEST...MOVING SOUTHWEST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OVER SEVEN SISTERS...3 MILES SOUTHEAST OF LOMA ALTA AROUND 655 PM
  CDT...
  7 MILES NORTHWEST OF FREER AROUND 705 PM CDT...

THIS SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING...
  HAIL UP TO THE SIZE OF NICKELS...
  WINDS UP TO 60 MILES AN HOUR...
  VERY HEAVY RAINFALL WHICH MAY CAUSE LOCALIZED FLOODING...

THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL.  PLEASE TAKE COVER 
NOW

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
FRIDAY EVENING FOR TEXAS.

LAT...LON 2800 9788 2853 9820 2839 9877 2776 9868
          2777 9817

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, 12:57 AM CDT	Severe Thunderstorm Warning	CRP	Duval, Webb	48 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, 5:53 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, 2002 Every 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.