Alert archive / Texas / Tornado Warnings in 2003
Tornado Warning 23, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Jul 7, 2003, 3:00 PM CDT for Colorado County, Texas. It was in force for 45 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
- Jul 7, 2003, 3:00 PM CDT (20:00 UTC)
- Expired
- Jul 7, 2003, 3:45 PM CDT
- In force
- 45 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
County Colorado County, TX
The radar
The Houston radar (KHGX), 138 km from the middle of the area, began a volume at 20:00 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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 12:00Z, 8.0 hours before the alert went out and 228 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
- 2186 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 750 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -74 m²/s²
- 0-3 km storm-relative helicity
- -65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
432 WFUS54 KHGX 072000 TORHOU TXC089-072045- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 258 PM CDT MON JUL 7 2003 THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A * TORNADO WARNING FOR... COLORADO COUNTY IN SOUTHEAST TEXAS * UNTIL 345 PM CDT * AT 255 PM CDT...LAW ENFORCEMENT REPORTED A TORNADO NEAR THE WHARTON/COLORADO COUNTY LINE. DOPPLER RADAR INDICATES THAT THE TORNADO PRODUCING THUNDERTORM IS 5 MILES WEST OF EAGLE LAKE...MOVING NORTHWEST AT 25 MPH. * LOCATIONS IN THE PATH OF THE TORNADO INCLUDE... COLUMBUS FRELSBURG MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON YOUR CAR OR MOBILE HOME FOR A STRONG SHELTER NOW 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 2948 9643 2960 9627 2994 9658 2972 9675 $$
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 Jul 7, 2:00 PM CDT, 1 hour earlier.
Area forecast discussion, Jul 7, 2:00 PM CDT, 1 hour before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 200 PM CDT MON JUL 7 2003 KHGX RADAR SHOWS A VERY ACTIVE AFT ACROSS SE TX AS HEATING IS PRODUCING SCT SHWRS AND TSTMS AREAWIDE. A FEW CLUSTERS OF TSTMS ARE BEGINNING TO FORM AND TRAINING IS ALSO OCCURRING. ISOLATED LOCATIONS HAVE SEEN 2 INCHES OF RAIN. LOCALLY HEAVY RAINFALL THREAT WILL CONTINUE INTO THE EVE HOURS FOR INLAND LOCATIONS. WILL CARRY SCT POPS AREAWIDE TONIGHT AS COASTAL ZONES WILL LIKELY GET ACTIVE AFTER MIDNIGHT. MAIN FORECAST ISSUE CONTINUES TO BE THE CHC OF RAIN AND RAINFALL AMOUNTS. AS MID/UPPER LOW MOVES INTO SE TEXAS TONIGHT AND STALLS OVER THE REGION TOMORROW...EXPECT A GOOD CHC OF SHWRS AND TSTMS. THIS FEATURE WILL GRADUALLY WEAKEN...BUT PW VALUES WILL REMAIN AROUND 2 INCHES AT LEAST THROUGH WED. WILL MENTION LOCALLY HEAVY RAINFALL TOMORROW AREAWIDE. RIDGING AT MID LEVELS STILL EXPECTED TOWARD THE END OF THE WEEK AND OVER THE WEEKEND. WITH AREA ON THE EDGE OF THE RIDGE CENTERED WEST OF SE TX...SLIGHT CHC OF PRECIP WILL STILL EXIST FOR SE HALF OF THE AREA. TEMPS SHOULD RISE AT LEAST INTO THE MID 90S AS ALREADY BEING FORECAST DURING THE FRI-MON TIME PERIOD. FOR MARINE AREA...ONSHORE FLOW WILL CONTINUE. WINDS AND SEAS ARE EXPECTED TO BE JUST BELOW CAUTION CRITERIA. 33/41 .HGX...NONE. UPDATED PRELIMS... CLL TT 075/091 075/092 075 463 IAH TT 076/090 076/091 076 363 GLS TT 081/088 081/089 081 463
Hazardous weather outlook, Jul 7, 7:00 AM CDT, 8 hours before
GMZ330-335-TXZ163-164-176>179-195>200-210>214-226-227-235>238-081200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 700 AM CDT MON JUL 7 2003 ...LOCALLY HEAVY RAINFALL POSSIBLE ACROSS SOUTHEAST TEXAS TODAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. .DAY ONE...TODAY AND TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER SOUTHEAST TEXAS TODAY AS AN UPPER LEVEL LOW PRESSURE SYSTEM APPROACHES THE AREA FROM THE GULF. RAINFALL AMOUNTS WILL AVERAGE 1/4 TO 1/2 INCH WITH ISOLATED TOTALS OF 2 TO 3 INCHES POSSIBLE...MAINLY THIS AFTERNOON. THESE HEAVIER DOWNPOURS COULD PRODUCE LOCALIZED FLOODING OF STREETS...FEEDER ROADS...OR LOW LYING AREAS. IN ADDITION...CONDITIONS ARE FAVORABLE FOR THE FORMATION OF FUNNEL CLOUDS OR WATERSPOUTS TODAY. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. TUESDAY...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED ONCE AGAIN AS THE UPPER LEVEL LOW MOVES ACROSS SOUTHEAST TEXAS. LOCALLY HEAVY RAINFALL WILL BE A POSSIBILITY. WEDNESDAY THROUGH SUNDAY...HAZARDOUS WEATHER IS NOT ANTICIPATED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED.
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.