Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 42, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Oct 24, 2002, 10:05 PM CDT for Cameron County, Texas. It was in force for 115 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
- Oct 24, 2002, 10:05 PM CDT (03:05 UTC)
- Expired
- Oct 25, 2002, 12:00 AM CDT
- In force
- 115 min
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 31 km from the middle of the area, began a volume at 03:06 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 3.1 hours before the alert went out and 33 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
- 1499 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 832 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KBRO 250305
FFWBRO
TXC061-250500-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1002 PM CDT THU OCT 24 2002
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CAMERON COUNTY IN DEEP SOUTH TEXAS
* UNTIL MIDNIGHT CDT
* AT 950 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY
HEAVY RAINFALL ALONG A LINE EXTENDING FROM LAGUNA VISTA TO
RANCHO VIEJO...MOVING EAST AT 10 MPH.
* SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE
WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH
FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH
FLOODING INCLUDE...BROWNSVILLE...SAN BENITO...HARLINGEN...RIO
HONDO...RANCHO VIEJO...LOS FRESNOS AND COMBES.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
LAT...LON 2634 9786 2608 9785 2605 9768 2595 9756
2588 9743 2607 9726 2613 9736 2636 9743
2629 9753
$$
KNUTSVIGWhat 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 Brownsville, TX wrote its last area forecast discussion before this flash flood warning went out at Oct 24, 8:55 PM CDT, 1 hour 10 minutes earlier.
Area forecast discussion, Oct 24, 8:55 PM CDT, 1 hour 10 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 855 PM CDT THU OCT 24 2002 UPDATES HAVE BEEN ISSUED TO INCLUDE A FLASH FLOOD WATCH FOR ALL COUNTIES. AN UPDATE WILL BE ISSUED FOR MINOR PRECIP. CHANGES. AS THE STORMS EXIT THE EASTERN CWA...REDEVELOPMENT CONTINUES IN SOUTHERN HIDALGO COUNTY AND ON THE MEXICAN SIDE OF HIDALGO COUNTY. A SECOND LINE OF STORMS MAY TRAVERSE CAMERON COUNTY. SYNOPTIC...KNUTSVIG AVIATION/MESO/MARINE...MILLER INTERNET ADDRESS...WWW.SRH.NOAA.GOV/BRO .BRO...FFA TONIGHT AND FRIDAY...TXZ248>257.
Hazardous weather outlook, Oct 24, 7:10 PM CDT, 2 hours 55 minutes before
TXZ248>257-251100- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 710 PM CDT THU OCT 24 2002 THIS HAZARDOUS WEATHER OUTLOOK IS FOR DEEP SOUTH TEXAS. .DAY ONE... SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED THROUGHOUT THE REGION THROUGH FRIDAY MORNING. MANY OF THESE SHOWERS ARE EXPECTED TO PRODUCE VERY HEAVY RAIN AND POSSIBLE FLASH FLOODING. THUS...A FLASH FLOOD WATCH HAS BEEN ISSUED FOR ALL OF DEEP SOUTH TEXAS THROUGH FRIDAY MORNING. FOR FURTHER DETAILS ON THIS HAZARDOUS WEATHER SITUATION...PLEASE REFER TO THE FLASH FLOOD WATCH ISSUED BY THIS OFFICE AT 708 PM CDT. OTHERWISE...THESE THUNDERSTORMS MAY PRODUCE ISOLATED INSTANCES OF DAMAGING WINDS AND HAIL. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION WILL BE NEEDED TONIGHT OVER ALL OF DEEP SOUTH TEXAS. EMERGENCY MANAGERS ARE ASKED TO MONITOR WEATHER CONDITIONS CLOSELY. .DAYS TWO THROUGH SEVEN... A COLD FRONT WILL APPROACH FROM THE NORTH LATE SATURDAY...WHILE TROPICAL MOISTURE MOVES IN FROM THE SOUTHWEST. THIS WILL GENERATE SCATTERED SHOWERS AND THUNDERSTORMS. SOME OF THE STRONGER STORMS MAY PRODUCE LOCALLY HEAVY RAIN. AREAS THAT HAVE BEEN RECENTLY AFFECTED BY HEAVY RAINS WILL BE MORE SUSCEPTIBLE TO FLASH FLOODING.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 24, 7:01 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 67 days |
| Oct 24, 7:20 PM CDT | Special Marine Warning | BRO | 55 min | |
| Oct 24, 7:20 PM CDT | Special Marine Warning | BRO | 55 min | |
| Oct 24, 7:57 PM CDT | Flash Flood Warning | BRO | Cameron | 2 hr |
| Oct 24, 8:19 PM CDT | Flash Flood Warning | BRO | Kenedy | 41 min |
| Oct 24, 8:20 PM CDT | Special Marine Warning | BRO | 55 min | |
| Oct 24, 9:18 PM CDT | Special Marine Warning | BRO | 27 min | |
| Oct 24, 9:18 PM CDT | Special Marine Warning | BRO | 57 min | |
| Oct 24, 9:18 PM CDT | Special Marine Warning | BRO | 57 min | |
| Oct 24, 9:18 PM CDT | Special Marine Warning | BRO | 27 min | |
| Oct 25, 12:12 AM CDT | Flash Flood Warning | BRO | Cameron | 3 hr |
| Oct 25, 2:59 AM CDT | Special Marine Warning | BRO | 61 min | |
| Oct 25, 9:56 AM CDT | Special Marine Warning | BRO | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2002Every flash flood 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.