Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 12, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Jul 15, 2003, 8:28 PM CDT for Jackson County, Matagorda County, Wharton County, 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
- Jul 15, 2003, 8:28 PM CDT (01:28 UTC)
- Expired
- Jul 15, 2003, 10:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
Counties Jackson County, TX, Matagorda County, TX, Wharton County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood 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, 1.5 hours before the alert went out and 153 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
- 314 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KHGX 160129
FFWHOU
TXC239-321-481-160330-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
828 PM CDT TUE JUL 15 2003
THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WHARTON COUNTY IN SOUTHEAST TEXAS
JACKSON COUNTY IN SOUTHEAST TEXAS
MATAGORDA COUNTY IN SOUTHEAST TEXAS
* UNTIL 1030 PM CDT
* AT 825 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A NEARLY
STATIONARY BAND OF VERY HEAVY RAINFALL ASSOCIATED WITH CLAUDETTE
ACROSS WESTERN WHARTON...EASTERN JACKSON...AND WESTERN
MATAGORDA COUNTIES. RADAR ESTIMATES INDICATE THAT BETWEEN 2 AND 4
INCHES OF RAIN HAS FALLEN DURING THE PAST 3 HOURS FROM LOUISE TO
BLESSING TO PALACIOS. AN ADDITIONAL 1 TO 3 INCHES OF RAIN IS
LIKELY ACROSS THIS AREA DURING THE NEXT HOUR. THIS WILL LEAD TO
FLOODING OF AREA ROADWAYS.
* FLOODING IS EXPECTED IN OR NEAR...
PALACIOS...GANADO...BLESSING...LOUISE
DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE ROAD
SMALL CREEKS...STREAMS...BAYOUS..AND FARM-TO-MARKET OR OTHER
SECONDARY ROADS MAY FLOOD QUICKLY. AVOID LOCATIONS WHERE WATER COVERS
THE GROUND
USE EXTRA CAUTION AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DEPTH
AND SPEED OF FLASH FLOOD WATERS.
PLEASE REPORT FLOODING TO THE COUNTY SHERIFF...LOCAL POLICE...OR
DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.
LAT...LON 2851 9634 2859 9623 2862 9600 2930 9648
2920 9669
$$What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Jul 15, 3:15 PM CDT, 5 hours 13 minutes earlier.
Area forecast discussion, Jul 15, 3:15 PM CDT, 5 hours 13 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
315 PM CDT TUE JUL 15 2003
CLAUDETTE INLAND SW OF OUR CWFA AND CONTINUING TO TREK WEST. FEEDER BANDS
STILL QUITE ACTIVE ACROSS SOUTHWEST ZONES INCLUDING MATAGORDA BAY.
TIDES HAVE BEEN SUBSIDING ALONG THE UPPER TEXAS COAST. PLEASE SEE
LATEST HLSHOU. CONVECTION AREAL COVERAGE SHOULD CONRACT OVERNIGHT AS
CLAUDETTE GETS FARTHER AWAY FROM OUR REGION WHILE WEAKENING. WE
SHALL CONTINUE W/DEFINITE CATEGORY POPS SW ZONES TONIGHT BUT BUMP
TO CHANCE ELSEWHERE AS PWATS REMAIN ON THE HIGH SIDE. GFS AND ETA CONTINUE
TO LEAVE HIGH MOISTURE LEVELS OVER CWFA ON WEDNESDAY W/CONFLUENT LOW LEVEL
PATTERN. HENCE WILL GO W/SCATTERED CONVECTION DURING THIS PERIOD.
UPPER RIDGE WILL EXERT ITS INFLUENCE FROM THURSDAY. GFS INDICATE
EASTERLY WAVE MOVING ACROSS SW GULF ON FRIDAY. THIS MAY INCREASE PWATS
OVER SOUTHERN ZONES. THE WEEKEND INDICATE UPPER RIDGE OVER REGION W/SHEAR
ZONE EAST OF OUR REGION.
BUOYS 019 AND 035 WINDS HAVE BEEN TRENDING DOWNWARD (25 AND 21 KNOTS
RESPECTIVELY). HOWEVER...SEAS WILL REMAIN IN THE HIGH SIDE THE NEXT SEVERAL
HOURS. WE SHALL ISSUE SMALL CRAFT CAUTION FOR CWFA MARINE WATERS FOR
TONIGHT.
TORNADO WATCH CANCELLED FOR PORTIONS OF SOUTHEAST TEXAS.
37/42/35/34/38
.HGX...TROPICAL STORM WARNING JACKSON...MATAGORDA AND
BRAZORIA COUNTIES.
SMALL CRAFT SHOULD STAY IN PORT FREEPORT SOUTHWARD
INCLUDING MATAGORDA BAY.
SMALL CRAFT ADVISORY FREEPORT TO HIGH ISLAND AND GALVESTON
BAY.Hazardous weather outlook, Jul 15, 4:00 PM CDT, 4 hours 28 minutes before
GMZ330-335-TXZ163-164-176>179-195>200-210>214-226-227-235>238-161200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 400 PM CDT TUE JUL 15 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. .DAY ONE...REST OF THIS AFTERNOON AND TONIGHT. A TROPICAL STORM WARNING IS IN EFFECT FOR BRAZORIA...MATAGORDA AND JACKSON COUNTIES....AND THE COASTAL WATERS FROM FREEPORT TO PORT ARANSAS INCLUDING MATAGORDA BAY. AT 4 PM...TROPICAL STORM CLAUDETTE WAS JUST NORTHEAST OF BEEVILLE TEXAS AND ABOUT 85 MILES SOUTHEAST OF SAN ANTONIO. REFER TO THE LATEST ADVISORY FROM THE NATIONAL HURRICANE CENTER. ALSO...PLEASE CHECK OUR LATEST TROPICAL STORM LOCAL STATEMENTS (SATPNSHOU). .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE TODAY. SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME FOR WEDNESDAY THROUGH MONDAY.
In the hours before
Special weather statement, Jul 15, 5:10 PM CDT, 3 hours 18 minutes before
GMZ330-335-TXZ199-200-210>214-226-227-235>238-152300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 510 PM CDT TUE JUL 15 2003 ...TORNADO WATCH CANCELLED... THE TORNADO WATCH PREVIOUSLY IN EFFECT FOR MUCH OF THE UPPER TEXAS COASTAL COUNTIES HAS BEEN CANCELLED FOR ALL COUNTIES IN THE HOUSTON/GALVESTON COUNTY WARNING AREA. THIS INCLUDES THE FOLLOWING COUNTIES: AUSTIN...BRAZORIA...CHAMBERS...COLORADO...FORT BEND... GALVESTON...HARRIS...JACKSON...LIBERTY...MATAGORDA...MONTGOMERY... WALLER...WHARTON. AT 4 PM... CLAUDETTE HAD MOVED WELL INLAND TO A POSITON NEAR BEEVILLE TEXAS AND DOWNGRADED TO TROPICAL STORM STRENGTH. ALTHOUGH A FEW RAIN BANDS WILL CONTINUE OVER THE UPPER TEXAS COAST... THE THREAT OF SEVERE WEATHER HAS MOVED OUT OF THE REGION. THE HEAVIEST CONCENTRATIONS OF REMAINING SHOWERS AND THUNDERSTORMS WILL BE MAINLY WEST OF A LINE FROM SARGENT TO EAGLE LAKE BETWEEN 5 PM AND 9 PM. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR FURTHER UPDATES.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 7:46 AM CDT | Flash Flood Warning | HGX | Fort Bend | 3 hr |
| Jul 16, 9:16 AM CDT | Flash Flood Warning | HGX | Matagorda | 119 min |
| Jul 16, 10:21 AM CDT | Flash Flood Warning | HGX | Wharton | 114 min |
Nearby
Flash Flood Warnings in Texas, 2003Every flash flood warning 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.