Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 41, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Jul 22, 2004, 7:58 PM CDT for Zapata 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
- Jul 22, 2004, 7:58 PM CDT (00:58 UTC)
- Expired
- Jul 22, 2004, 11:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Counties, with a storm outline in the text
County Zapata County, TX
The radar
The Corpus Christi radar (KCRP), 188 km from the middle of the area, began a volume at 01:01 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
Corpus Christi, TX (KCRP), launched 00:00Z, 1.0 hours before the alert went out and 200 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
- 1489 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1260 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KBRO 230101 FFWBRO TXC505-230400- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 758 PM CDT THU JUL 22 2004 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... ZAPATA COUNTY IN DEEP SOUTH TEXAS * UNTIL 1100 PM CDT * AT 758 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATED HOURLY RAINFALL TOTALS AT3 TO 4 INCHES IN AND NEAR THE CITY OF ZAPATA. * 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 FLOODING INCLUDE...ZAPATA AND SAN YGNACIO. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. LAT...LON 2726 9900 2675 9903 2660 9937 2708 9954 $$ PHILO
1 follow-up statement
000 WGUS74 KBRO 230215 FFSBRO TXC505-230400- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 909 PM CDT THU JUL 22 2004 ...FLASH FLOOD WARNING CONTINUES UNTIL 11 PM CDT FOR ZAPATA COUNTY... AT 909 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL TRAINING OVER CENTRAL ZAPATA COUNTY...AS THEY MOVE NORTH AT 20 MPH. DOPPLER RADAR ESTIMATED FROM 4 TO 6 INCHES OF RAINFALL HAS BEEN RECEIVED IN A LARGE AREA EXTENDING FROM 3 MILES SOUTHEAST OF THE CITY OF ZAPATA TO 20 MILES NORTHEAST OF THE CITY. TRAINING THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLOODING TO OCCUR...ESPECIALLY ALONG SMALL STREAMS AND NEAR LOW WATER CROSSINGS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ZAPATA...SAN YGNACIO AND ESCOBA. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. WHEN CONFRONTED WITH WATERS OF UNKNOWN DEPTH REMEMBER TO TURN AROUND...DONT DROWN. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. LAT...LON 2726 9897 2678 9898 2658 9920 2726 9964 $$ PHILO
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 7:42 PM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg, Zapata | 33 min |
| Jul 22, 8:17 PM CDT | Severe Thunderstorm Warning | BRO | Zapata | 28 min |
| Jul 22, 11:00 PM CDT | Flash Flood Warning | BRO | Zapata | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2004Every flash flood warning in 2004
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.