Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 18, NWS Corpus Christi, TX
NWS Corpus Christi, TX issued this flash flood warning at Sep 17, 2003, 5:10 PM CDT for Jim Wells 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
- Sep 17, 2003, 5:10 PM CDT (22:10 UTC)
- Expired
- Sep 17, 2003, 7:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Corpus Christi, TX
- Area
- Counties, with a storm outline in the text
County Jim Wells County, TX
The radar
The Corpus Christi radar (KCRP), 57 km from the middle of the area, began a volume at 22:12 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 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 12:00Z, 10.2 hours before the alert went out and 73 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
- 2148 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 578 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KCRP 172212
FFWCRP
TXC249-180015-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX
510 PM CDT WED SEP 17 2003
THE NATIONAL WEATHER SERVICE IN CORPUS CHRISTI HAS ISSUED A
* FLASH FLOOD WARNING FOR...
JIM WELLS COUNTY IN TEXAS
* UNTIL 715 PM CDT
* AT 506 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN OVER ALICE...MOVING NORTHWEST AT 10 MPH. ADDITIONAL
THUNDERSTORMS SOUTH OF ALICE WILL BE AFFECTING ALICE AND THE
SURROUNDING AREAS BY 6 PM. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2
INCHES ARE POSSIBLE OVER ALREADY SATURATED GROUND.
* SOME LOCATIONS AFFECTED INCLUDE...
ALICE...
LAKE ALICE...
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
LAT...LON 2743 9812 2766 9809 2767 9797 2799 9799
2797 9821
$$
TEWhat 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 Corpus Christi, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 17, 3:10 PM CDT, 2 hours earlier.
Area forecast discussion, Sep 17, 3:10 PM CDT, 2 hours before
SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 310 PM CDT WED SEP 17 2003 SHORT-TERM (TONIGHT AND THURSDAY)...GOES SOUNDER DEPICTS HIGH PW VALUES ACROSS THE AREA. GFS PROGS MSTR TO CONTINUE TO ADVECT NWD ACRS THE REGION OVERNIGHT. ANTICIPATE CONVECTION THIS AFTN OVER THE CNTRL/WRN CWFA TO DMSH LATER OWING TO INCREASING CIN. CAVEAT...CIN VALUES WL NOT INCREASE TOO MUCH AS MSTR CONTINUES TO ADVECT. EXPECT CONVECTION TO DEVELOP OFFSHORE OVERNIGHT THEN ADVECT ONSHORE TOWARD MORNING...CONSISTENT WITH TDA AND YDA. HWR...INCREASING MSTR...AND A WEAK UPPER DISTURBANCE PROGD BY ETA/GFS...WL RESULT IN GREATER COVERAGE OF CONVECTION. WL FCST 50-60% POPS FOR THU. AT THIS TIME... NOT YET CONFIDENT THAT HVY RAIN/FLOODING WL BE WIDESPREAD. FURTHER...1-HR FFG VALUES FOR THE CWFA STILL ABOVE 1 INCH. THUS WL NOT ISSUE AN FFA. LONG TERM (THU NIGHT THRU WED)...BEST MOISTURE WILL BE POOLED ACROSS SOUTHERN AND WESTERN COUNTIES THUR NIGHT. WILL HANG ONTO CHC POPS FOR THE SOUTH AND WEST DURING THE EVENING. GFS INDICATES UPR LVL LOW OVER NRN PLAINS WILL LIFT NE INTO CANADA ON FRI WHILE ETA FURTHER IS FURTHER SOUTH WITH LOW. AS A RESULT ETA BRINGS COLD FRONT THROUGH CWA FRI AFTERNOON WHILE GFS STALLS FRONT ACROSS SOUTHERN HALF OF CWA. 2 PWAT AIR WILL REMAIN SUFFICIENT AHEAD OF FRONT ON FRIDAY TO WARRANT SCATTERED POPS...HIGHEST SOUTH AND WEST. WHERE FRONT ENDS UP STALLING AND WASHING OUT WILL BE KEY TO PRECIP CHANCES ON SAT. FEEL FRONT WILL LIKELY STALL AND WASH OUT ACROSS SOUTHERN COUNTIES. MODELS SHOWING PWAT TO REMAIN NEAR 1.7-2 ON SAT... THEREFORE WILL INTRODUCE 30 POPS ACROSS THE SOUTH FOR SAT AND TAPER BACK TO 10S FAR NORTH. MOISTURE SURGES BACK NORTH ON SUNDAY WITH INCREASING SOUTHERLY FLOW AS NEXT SYSTEM DIGS IN ACROSS EASTERN ROCKIES. MODELS DISCREPANCIES STILL EXIST WITH AMPLITUDE OF TROF AS IT MOVES INTO PLAINS...WITH GFS AND UKMET CONTINUING TO TREND SLOWER AND DEEPER WHILE ECMWF AND CANADIAN IS MORE PROGRESSIVE. THE GFS SOLUTION WOULD RESULT IN A STRONGER FRONT DIVING SOUTH INTO TEXAS ON MONDAY. WILL NOT MAKE ANY CHANGES TO CURRENT EXTENDED FORECAST WITH RESPECT TO THIS FRONT AWAITING MODEL CONSISTENCY. GRIDS WILL REFLECT SCATTERED POPS ON MONDAY WITH DRIER AIR WORKING INTO S TX TUE AND WED. WILL NOT BITE YET ON MEX TEMPS AND KEEP LOWS 1 CAT HIGHER. CRP TE 075/085 074/087 071 87563 VCT TE 073/085 071/087 068 87452 LRD TE 077/087 073/089 071 87554 .CRP...NONE. 87...SHORT-TERM 76...LONG-TERM
Hazardous weather outlook, Sep 17, 6:00 AM CDT, 11 hours 10 minutes before
GMZ230-235-250-255-270-275-TXZ229>234-239>247-181100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 600 AM CDT WED SEP 17 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH TEXAS. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN TODAY. LOCALLY HEAVY RAINFALL IS POSSIBLE...ESPECIALLY NEAR THE COAST WHERE 2 TO 3 INCHES OF RAIN COULD FALL IN SHORT PERIOD OF TIME. THIS MAY CAUSE LOCALIZED FLOODING. BESIDES HEAVY RAINFALL...STORMS ARE EXPECTED TO REMAIN BELOW SEVERE LEVELS TODAY AND TONIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE OVER SOUTH TEXAS ON THURSDAY AS AN UPPER LEVEL DISTURBANCE INTERACTS WITH DEEP TROPICAL MOISTURE OVER THE REGION. LOCALLY HEAVY RAINFALL WILL BE POSSIBLE WITH THUNDERSTORMS CAPABLE OF PRODUCING LOCALIZED RAIN AMOUNTS OF 2 TO 4 INCHES. THIS WILL INCREASE THE THREAT FOR FLOODING DUE TO THE SATURATED CONDITIONS ACROSS SOUTH TEXAS AND A FLASH FLOOD WATCH MAY BE ISSUED FOR THURSDAY. A COLD FRONT WILL MOVE INTO SOUTH TEXAS FRIDAY PROVIDING A LINGERING CHANCE OF SHOWERS AND THUNDERSTORMS. THE CHANCES FOR SHOWERS AND THUNDERSTORMS WILL INCREASE AGAIN BY SUNDAY AS TROPICAL MOISTURE INCREASES IN ADVANCE OF THE NEXT COLD FRONT WHICH WILL MOVE INTO SOUTH TEXAS ON MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. TR/TMT
In the hours before
Special weather statement, Sep 17, 3:47 PM CDT, 1 hour 23 minutes before
TXZ229>234-239>247-180900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CORPUS CHRISTI TX 347 PM CDT WED SEP 17 2003 ...HEAVY RAINFALL POSSIBLE THURSDAY... AN EXTREMELY MOIST AND UNSTABLE AIRMASS WILL PERSIST OVER THE COASTAL BEND AND RIO GRANDE PLAINS TONIGHT THROUGH THURSDAY. FURTHER...AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS SOUTH TEXAS THURSDAY. THE COMBINATION OF THE DISTUBANCE AND THE AMBIENT ENVIRONMENT WILL RESULT IN THE DEVELOPMENT OF SHOWERS AND THUNDERSTORMS TONIGHT AND THURSDAY. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL OCCUR THURSDAY. ISOLATED HEAVY RAINFALL WITH HIGH RAINFALL RATES MAY OCCUR OVER THE COASTAL BEND AND RIO GRANDE PLAINS. EXPECT TOTAL RAINFALL AMOUNTS TO AVERAGE AROUND 1 INCH...WITH ISOLATED 2 TO 3 INCH AMOUNTS. THEREFORE...ISOLATED FLOODING IS ANTICIPATED. IF FLOODING IS EXPECTED TO BECOME MORE WIDESPREAD ACROSS THE COASTAL BEND AND RIO GRANDE PLAINS...FLASH FLOOD WATCH MAY BE ISSUED. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES...STATEMENTS OR POSSIBLE WARNINGS. ALSO...CHECK OUT OUR WEBSITE AT WWW.SRH.NOAA.GOV/CRP WC
The office that day
Everything else NWS Corpus Christi, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 4:08 PM CDT | Flash Flood Warning | CRP | Nueces | 3 hr |
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; radar from the NEXRAD Level II archive.