Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 49, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Nov 4, 2002, 9:55 AM CST for Cameron County, Texas. It was in force for 3 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
- Nov 4, 2002, 9:55 AM CST (15:55 UTC)
- Expired
- Nov 4, 2002, 12:45 PM CST
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Cameron County, TX
The radar
The Brownsville radar (KBRO), 21 km from the middle of the area, began a volume at 15:55 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.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 3.9 hours before the alert went out and 23 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
- 28 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 140 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 KBRO 041555 FFWBRO TXC061-041845- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 946 AM CST MON NOV 4 2002 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... CAMERON COUNTY IN DEEP SOUTH TEXAS * UNTIL 1245 PM CST * AT 945 AM CST...SHOWERS WITH HEAVY RAINFALL WERE APPROACHING CAMERON COUNTY FROM ADJACENT MEXICO. THESE SHOWERS WILL CONTINUE TO TRAIN OVER CAMERON COUNTY DURING THE NEXT THREE HOURS...AND LIKELY BEYOND...WITH HEAVY RAINS FALLING OVER SATURATED SOILS. MOVEMENT OF THIS LARGE AREA OF HEAVY SHOWERS IS NORTH AT 25 MPH. * HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...SAN BENITO... HARLINGEN...BROWNSVILLE...RIO HONDO...RANCHO VIEJO AND LOS FRESNOS. * AREAS AROUND SAN BENITO HAVE ALREADY BEEN EVACUATED DUE TO FLOODING...AND THE ADDITIONAL HEAVY RAINS HAVE NOT YET MOVED INTO THIS AREA. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA. PLEASE...DO NOT DRIVE YOUR VEHICLE INTO WATERS OF UNKNOWN DEPTH. THE DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOTORISTS SHOULD IMMEDIATELY MOVE TO HIGHER GROUND. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. LAT...LON 2591 9785 2578 9709 2627 9721 2633 9786 PHILO
2 follow-up statements
000 WGUS74 KBRO 041751 FFSBRO TXC061-041845- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1143 AM CST MON NOV 4 2002 ...A FLASH FLOOD WARNING CONTINUES UNTIL 1245 PM CST FOR CAMERON COUNTY... AT 1142 AM CST...NATIONAL WEATHER SERVICE RADAR IN BROWNSVILLE SHOWED SHOWERS WITH HEAVY RAINFALL OVER EASTERN CAMERON COUNTY AND SOUTHWEST OF CAMERON COUNTY IN ADJACENT MEXICO. MOVEMENT WAS NORTHEAST AT 25 MPH. THE FLASH FLOOD WARNING MAY BE REISSUED BY 1245 PM...AS ADDITIONAL HEAVY RAINS ARE APPROACHING THE AREA. HEAVY RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...PORT ISABEL...BROWNSVILLE...BAYVIEW...LAGUNA VISTA...SOUTH PADRE ISLAND AND LOS FRESNOS. EXCESSIVE RUNOFF FROM THESE SHOWERS 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. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. LAT...LON 2590 9786 2574 9707 2619 9700 2629 9783 PHILO
000 WGUS74 KBRO 041856 FFSBRO TXC061-041945- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1245 PM CST MON NOV 4 2002 ...A FLASH FLOOD WARNING FOR CAMERON COUNTY HAS EXPIRED... AT 1244 PM CST...NATIONAL WEATHER SERVICE RADAR IN BROWNSVILLE SHOWED ISOLATED SHOWERS OVER WESTERN CAMERON AND EASTERN WILLACY COUNTIES...WITH NUMEROUS HEAVY RAIN SHOWERS OVER THE ADJACENT GULF WATERS. MOVEMENT CONTINUES NORTHEAST AT 25 MPH. THE FLASH FLOOD WARNING FOR CAMERON COUNTY HAS EXPIRED. PATCHY RAIN WILL CONTINUE OVER CAMERON COUNTY AND COASTAL AREAS THIS AFTERNOON...WITH LESS THAN ONE TENTH OF AN INCH EXPECTED. A COLD FRONT HAS DRIVEN INTO MEXICO...SHUNTING MOISTURE AND DYNAMICS FOR RAINFALL INTO THE GULF OF MEXICO. HEAVY RAINS COULD REDEVELOP TONIGHT...AS AN UPPER LEVEL DISTURBANCE MOVES OVERHEAD...AND A FLASH FLOOD WATCH WILL REMAIN IN PLACE THROUGH TUESDAY AFTERNOON. BE ALERT TO THE DANGERS POSED BY HEAVY RAINFALL AND FLOODING. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW WATER CROSSINGS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE. LAT...LON 2590 9786 2574 9707 2619 9700 2629 9783 PHILO
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 4, 11:50 AM CST | Special Marine Warning | BRO | 2 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.