Alert archive / Texas / Tornado Warnings in 2003

Tornado Warning 53, NWS Houston/Galveston, TX

November 17, 2003Fort Bend County, Texas

NWS Houston/Galveston, TX issued this tornado warning at Nov 17, 2003, 1:20 PM CST for Fort Bend County, Texas. It was in force for 40 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
Nov 17, 2003, 1:20 PM CST (19:20 UTC)
Expired
Nov 17, 2003, 2:00 PM CST
In force
40 min
Issued by
NWS Houston/Galveston, TX
Area
Counties, with a storm outline in the text

County Fort Bend County, TX

The radar

The Houston radar (KHGX), 71 km from the middle of the area, began a volume at 19:20 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 tornado 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 17, 12:45 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 12:00Z, 7.3 hours before the alert went out and 238 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-pSkew-T log-p diagram, Corpus Christi, TX at 12:00Z on 2003-11-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1818 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Corpus Christi, TX at 12:00Z on 2003-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1818 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
146 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.4

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KHGX 171920
TORHOU
TXC157-172000-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
119 PM CST MON NOV 17 2003

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* TORNADO WARNING FOR...
  FORT BEND COUNTY IN SOUTHEAST TEXAS

* UNTIL 200 PM CST

* AT 115 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 11 MILES SOUTH   
OF NEEDVILLE MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...  
NEEDVILLE AND GUY

THE SAFEST PLACE TO BE DURING A TORNADO IS IN THE INTERIOR HALLWAY OR
A ROOM SUCH AS A CLOSET ON THE LOWEST LEVEL OF A STURDY BUILDING. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 PM CST MONDAY AFTERNOON
FOR SOUTHEAST TEXAS.

LAT...LON 2946 9575 2944 9572 2941 9573 2933 9578
          2927 9586 2934 9593 2939 9588 2941 9588
          2946 9581

$$

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at Nov 17, 1:09 PM CST, 11 minutes earlier.

Area forecast discussion, Nov 17, 1:09 PM CST, 11 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
109 PM CST MON NOV 17 2003

HAVE UPDATED THE ZONES FOR NEW TORNADO WATCH #950 IN EFFECT UNTIL 6
PM. WATCH IS IN EFFECT FOR COUNTIES ALONG AND SOUTH OF A LINE FROM
COLUMBUS TO CONROE TO LIVINGSTON. THE PREVIOUS TORNADO WATCH
EXPIRED AT 1 PM.

TORNADIC THUNDERSTORM HAS MOVED THROUGH FORT BEND AND HARRIS
COUNTIES FROM NEAR MEADOWS TO AROUND SPRING VALLEY. NUMEROUS REPORTS
OF DAMAGE HAVE BEEN RECEIVED WITH THIS STORM.

RADAR AND SATELLITE PICTURES SHOW SEVERE THUNDERSTORM AND FLASH
FLOOD THREAT STILL VERY HIGH IN THE WATCH AREA. UPDATED OUR
HAZARDOUS WEATHER OUTLOOK LATE THIS MORNING TO RAISE RAINFALL
ESTIMATES THROUGH TOMORROW MORNING TO WIDESPREAD 3 TO 5 INCHES WITH
ISOLATED 10 TO 15 INCH AMOUNTS POSSIBLE.

41/35/43/31/34/46

.HGX WATCHES/WARNINGS/ADVISORIES...
 TORNADO WATCH (#950) FOR SOUTH AND CENTRAL PORTIONS OF SE TX UNTIL
 6 PM.
 FLOOD WATCH FOR ALL SE TX THROUGH TONIGHT.
 SCEC ALL WATERS.

UPDATED PRELIMS (NO CHANGES)...
CLL TU 078/058 072/044 071 8+1
IAH TB 079/063 074/045 071 8+2
GLS TB 081/068 074/054 070 7+4

-------------------------------------------------------------------

PREVIOUS DISCUSSION (937 AM CST)...
LARGE SHOWER AND THUNDERSTORM COMPLEX IS MOVING TO THE NORTHEAST
ACROSS THE WESTERN HALF OF SOUTHEAST TEXAS AT THIS TIME. WATCHING
TWO TORNADIC CELLS IN WHARTON COUNTY AT THIS MOMENT THAT HAVE CAUSED
DAMAGE (LSR WILL BE ISSUED BEFORE 10 AM). CONDITIONS CONTINUE TO BE
FAVORABLE FOR ADDITIONAL SEVERE THUNDERSTORMS TO DEVELOP DURING THE
REMAINDER OF THE MORNING AND ON INTO EARLY THIS AFTERNOON (THERE IS
A TORNADO WATCH IN EFFECT FOR ALL OF SOUTHEAST TEXAS UNTIL 1 PM).
ALSO CONCERNED WITH HEAVY RAINFALL THREAT FOR THESE STORMS. A FLOOD
WATCH IS IN EFFECT FOR ALL OF SOUTHEAST TEXAS THROUGH TONIGHT. AFTER
THIS ROUND OF STORMS...EXPECT ANOTHER ROUND TO DEVELOP LATER THIS
AFTERNOON OR INTO THIS EVENING TO OUR WEST IN RESPONSE TO THE
APPROACHING UPPER LOW.

41/35/43/31/34
Hazardous weather outlook, Nov 17, 11:00 AM CST, 2 hours 20 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-181300-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1100 AM CST MON NOV 17 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS.

...FLOOD WATCH THIS AFTERNOON AND TONIGHT...
...SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT...

.DAY ONE...THIS AFTERNOON AND TONIGHT
A STRONG STORM SYSTEM WILL APPROACH SOUTHEAST TODAY AND MOVE ACROSS
THE AREA THIS AFTERNOON THROUGH EARLY TUESDAY MORNING. STRONG WINDS
ARE PRESENT IN THE ATMOSPHERE OVER SOUTHEAST TEXAS AND WILL INCREASE
THIS AFTERNOON. THESE STRONG WINDS ABOVE THE SURFACE AND INCREASING
INSTABILITY IN THE ATMOSPHERE WILL CREATE AN ENVIRONMENT FAVORABLE
FOR SEVERE THUNDERSTORM DEVELOPMENT. TONIGHT...A SQUALL LINE IS
LIKELY TO MOVE ACROSS SOUTHEAST TEXAS AHEAD OF A COLD FRONT.
THEREFORE...AN ISOLATED SEVERE THREAT DURING THE AFTERNOON HOURS MAY
INCREASE TONIGHT AS ORGANIZED CONVECTION MOVES ACROSS TONIGHT. IT
APPEARS THAT TORNADOES...HAIL...AND DAMAGING WINDS WILL ALL BE
THREATS.

IN ADDITION TO THE SEVERE THUNDERSTORM THREAT...VERY HEAVY RAINFALL
IS POSSIBLE THROUGH TONIGHT. FAST MOVING STORMS WILL LIKELY MOVE
REPEATEDLY OVER THE SAME LOCATIONS...CREATING THE HEAVY RAINFALL
THREAT AND RESULTANT FLOODING. AVERAGE RAINFALL AMOUNTS ACROSS
SOUTHEAST TEXAS ARE EXPECTED TO BE IN THE 3 TO 5 INCH RANGE WITH
ISOLATED AMOUNTS OF 10 TO 15 INCHES POSSIBLE. THESE HIGHER AMOUNTS
WILL LIKELY OCCUR NEAR AND EAST OF A HIGHWAY 59 AND INTERSTATE 10
CORRIDOR...OR ALONG AND EAST OF A LINE FROM EDNA TO KATY TO CONROE
TO GROVETON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO END WITH THE COLD FRONT
PASSAGE. THE FRONT IS EXPECTED TO REACH THE COAST TUESDAY MORNING.
DRY CONDITIONS ARE EXPECTED TUESDAY AFTERNOON THROUGH FRIDAY.
HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL BE REQUIRED THIS AFTERNOON AND TONIGHT.

In the hours before

Local storm report, Nov 17, 11:24 AM CST, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1124 AM CST MON NOV 17 2003

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0915 AM                              TX   WIND DAMAGE
11/17/03   WHARTON                        POWER LINES DOWN AT
                                          THE INTERSECTION OF
                                          HIGHWAYS 426 AND 441.
                                          REPORTED BY DPS.

REHBEIN
Local storm report, Nov 17, 11:31 AM CST, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1131 AM CST MON NOV 17 2003

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1030 AM    3 NW BOLING-IAGO          TX   TORNADO
11/17/03   WHARTON                        DESTROYED 1 SMALL BUILDING.
                                          HEAVY DAMAGE TO 3 BARNS.
                                          PATH WIDTH 1/4 MILE, DEBRIS
                                          PATH 1/2 MILE LONG.
                                          REPORTED NEAR INTERSECTION
                                          OF COTTONDALE RD AND
                                          CR-111.

REHBEIN
Local storm report, Nov 17, 11:31 AM CST, 1 hour 49 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED TIME OF REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1131 AM CST MON NOV 17 2003

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0955 AM    3 NW BOLING-IAGO          TX   TORNADO
11/17/03   WHARTON                        DESTROYED 1 SMALL BUILDING.
                                          HEAVY DAMAGE TO 3 BARNS.
                                          PATH WIDTH 1/4 MILE, DEBRIS
                                          PATH 1/2 MILE LONG.
                                          REPORTED NEAR INTERSECTION
                                          OF COTTONDALE RD AND
                                          CR-111.

REHBEIN
Local storm report, Nov 17, 11:34 AM CST, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED TIME OF REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALSEOT/N TX
1131 AM CST MON NOT M7N2N03

TIME(CST)  .....C T. .O.ATION.....STATE   ...EVEN /.EEAEKS...
           ....COUNTY LOCATION....

0955 AM    3 NW BOLING-IAGO          TX   TORNADO
11/17/03   WHARTON                        DESTROYED 1 SMALL BUILDLN .UL                                          HEAVY DAMAGE TOA3ABERTS.
                                          PATH WIDTH 1/4 MILE, DEBRIS
                                          PATH 1/2 MILE LONG.
                                          RE O T D NEAR INTERSECTION
                                         OF COTTONDALE RD AND
                                          CR-111.

REHBEIN
Local storm report, Nov 17, 1:14 PM CST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
114 PM CST MON NOV 17 2003

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1200 PM    MEADOWS                   TX   TORNADO
11/17/03   FORT BEND                      MAJOR DAMAGE TO HOMES.
                                          REPORTS OF SECOND STORIES
                                          OF HOMES BEING BLOWN AWAY.
                                          TREES AND POWER LINES DOWN.

1215 PM    SW HOUSTON                TX   TORNADO
11/17/03   HARRIS                         MAJOR DAMAGE TO SOUTHWEST
                                          VILLAGE APARTMENTS LOCATED
                                          AT WEST BELFORT AND
                                          KIRKWOOD.

REHBEIN
Local storm report, Nov 17, 1:14 PM CST, 6 minutes before
PRELIMINARY LOCAL STORM REPORT...AMENDED TO INCLUDE INJURIES
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
114 PM CST MON NOV 17 2003

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1200 PM    MEADOWS                   TX   TORNADO
11/17/03   FORT BEND                      *** 8 INJ ***
                                          MAJOR DAMAGE TO HOMES.
                                          REPORTS OF SECOND STORIES
                                          OF HOMES BEING BLOWN AWAY.
                                          TREES AND POWER LINES DOWN.
                                          TWO OF THE INJURIES
                                          CONSIDERED SERIOUS.

REHBEIN

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 16, 7:21 PM CSTFlash Flood WarningHGXHarris114 min
Nov 17, 8:23 AM CSTTornado WarningHGXWharton52 min
Nov 17, 9:06 AM CSTTornado WarningHGXMatagorda, Wharton39 min
Nov 17, 9:16 AM CSTTornado WarningHGXWharton29 min
Nov 17, 9:50 AM CSTTornado WarningHGXWharton25 min
Nov 17, 10:09 AM CSTTornado WarningHGXFort Bend51 min
Nov 17, 10:17 AM CSTSevere Thunderstorm WarningHGXWharton28 min
Nov 17, 10:59 AM CSTTornado WarningHGXFort Bend46 min
Nov 17, 11:08 AM CSTFlash Flood WarningHGXFort Bend3 hr
Nov 17, 11:11 AM CSTTornado WarningHGXHarris34 min
Nov 17, 11:54 AM CSTTornado WarningHGXFort Bend, Harris51 min
Nov 17, 12:02 PM CSTFlash Flood WarningHGXWharton3 hr
Nov 17, 12:42 PM CSTTornado WarningHGXHarris48 min
Nov 17, 12:55 PM CSTTornado WarningHGXMatagorda, Wharton50 min
Nov 17, 1:02 PM CSTFlash Flood WarningHGXHarris3 hr
Nov 17, 1:31 PM CSTTornado WarningHGXMatagorda44 min
Nov 17, 1:45 PM CSTFlash Flood WarningHGXMontgomery, San Jacinto3 hr
Nov 17, 1:54 PM CSTSevere Thunderstorm WarningHGXHarris36 min
Nov 17, 2:01 PM CSTTornado WarningHGXFort Bend29 min
Nov 17, 2:03 PM CSTFlash Flood WarningHGXFort Bend117 min
Nov 17, 2:03 PM CSTTornado WarningHGXHarris, Montgomery42 min
Nov 17, 2:12 PM CSTTornado WarningHGXBrazoria, Matagorda48 min
Nov 17, 2:35 PM CSTSpecial Marine WarningHGX55 min
Nov 17, 2:43 PM CSTTornado WarningHGXHarris47 min
Nov 17, 2:47 PM CSTTornado WarningHGXLiberty, Montgomery43 min
Nov 17, 2:58 PM CSTTornado WarningHGXBrazoria47 min
Nov 17, 3:30 PM CSTTornado WarningHGXHarris45 min
Nov 17, 3:44 PM CSTFlash Flood WarningHGXHarris3 hr
Nov 17, 4:05 PM CSTSpecial Marine WarningHGX115 min
Nov 17, 4:29 PM CSTTornado WarningHGXGalveston31 min
Nov 17, 4:46 PM CSTTornado WarningHGXChambers29 min
Nov 17, 5:09 PM CSTTornado WarningHGXLiberty36 min
Nov 17, 5:16 PM CSTTornado WarningHGXChambers29 min

Nearby

Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes in 2003

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.