Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 36, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 17, 2002, 4:44 PM CDT for Jackson County, Texas. It was in force for 31 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, 4:44 PM CDT (21:44 UTC)
- Expired
- May 17, 2002, 5:15 PM CDT
- In force
- 31 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
County Jackson County, TX
The radar
The Corpus Christi radar (KCRP), 145 km from the middle of the area, began a volume at 21:44 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 12:00Z, 9.7 hours before the alert went out and 140 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 172144 SVRHOU TXC239-172215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 443 PM CDT FRI MAY 17 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... JACKSON COUNTY IN SOUTHEAST TEXAS * UNTIL 515 PM CDT * AT 436 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4 MILES NORTHEAST OF VANDERBILT...MOVING SOUTHEAST AT 5 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... VANDERBILT LA WARD MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE... OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 2886 9666 2863 9661 2868 9637 2888 9647
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 Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 3:35 PM CDT, 1 hour 9 minutes earlier.
Area forecast discussion, May 17, 3:35 PM CDT, 1 hour 9 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
335 PM CDT FRI MAY 17 2002
WIND SHIFT LINE CONTINUING TO PUSH THROUGH SOUTHEAST TEXAS THIS
AFTERNOON BUT THE BRUNT OF THE COOL AIR IS REMAINING OVER NORTH
TEXAS ATTM. THE LARGE AREA OF CONVECTION CURRENTLY OVER THE CWA
STARTING TO CONTRACT AS LAST NIGHTS SHORTWAVE MOVES FURTHER TO
THE EAST AND THE PCPN ASSOCIATED WITH THE FRONT HITS THE WORKED
OVER AIRMASS OVER THE SRN HALF OF THE CWA. ALL OF THIS PRECIPI-
TATION IS EXPECTED TO END BY MIDNITE...BUT CLOUDS SHOULD LINGER
ACROSS MOST THE AREA OVERNITE. PATCHY -RA MAY ALSO PERSIST OVER
THE COASTAL ZONES VERY EARLY TOMORROW MORNING...BUT THE MAIN WX
STORY TOMORROW WILL BE THE CLEARING SKIES AND MUCH COOLER TEMPS.
DRY CANADIAN RIDGE TO SETTLE OVER THE CENTRAL PLAINS THE NEXT 2
DAYS BEFORE EDGING OFF TO THE EAST AS THE NEXT UPPER LOW BEGINS
TO DEEPEN OVER THE WEST COAST. THIS TROUGH NOT EXPECTED TO MAKE
MUCH OF AN IMPACT FOR SOUTH TX AS ITS PROGGED TRACK TAKES IT A-
CROSS THE NRN TIER STATES. THE UPPER FLOW OVER THE REGION TAKES
ON A DECIDELY FLATTER LOOK NEXT WEEK. THUS A SLOW WARM UP IS ON
TAP BEGINNING MONDAY WITH THE RE-OPENING OF THE GULF NOT IN THE
CARDS UNTIL LATE TUESDAY OR SO. 41/45
.HGX...SCA BAYS AND 0-60 NM HIGH ISLAND TO THE MATAGORDA SHIP
CHANNEL TONIGHT AND TOMORROW.
PRELIMS...
CLL UU 059/076 051/079 054 200
IAH UU 061/076 052/079 055 700
GLS UU 067/076 061/077 067 710The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 5:46 AM CDT | Special Marine Warning | HGX | 44 min | |
| May 17, 6:33 AM CDT | Special Marine Warning | HGX | 117 min | |
| May 17, 6:56 AM CDT | Flash Flood Warning | HGX | Brazoria, Galveston, Harris | 4 hr |
| May 17, 8:03 AM CDT | Special Marine Warning | HGX | 117 min | |
| May 17, 12:24 PM CDT | Flash Flood Warning | HGX | Houston | 3 hr |
| May 17, 3:26 PM CDT | Special Marine Warning | HGX | 2 hr | |
| May 17, 4:30 PM CDT | Special Marine Warning | HGX | 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.