Alert archive / Texas / Flash Flood Warnings in 2004
Flash Flood Warning 290, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 26, 2004, 1:58 PM CDT for Val Verde 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
- Sep 26, 2004, 1:58 PM CDT (18:58 UTC)
- Expired
- Sep 26, 2004, 5:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
The radar
The San Angelo radar (KSJT), 118 km from the middle of the area, began a volume at 19:00 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
Midland Regional, TX (KMAF), launched 12:00Z, 7.0 hours before the alert went out and 141 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
- 137 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 41 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 KEWX 261857 FFWSAT TXC465-262145- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 158 PM CDT SUN SEP 26 2004 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... VAL VERDE * UNTIL 500 PM CDT * AT 155 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A BROAD AREA OF MODERATE TO HEAVY RAINS OVER MUCH OF VAL VERDE COUNTY GENERALLY WEST OF A LINE FROM JUNO TO DEL RIO. MOVEMENT WAS TO THE NORTH AT 20 MPH. ACTIVITY CONTINUES TO DEVELOP ALONG THE RIO GRANDE PLAINS OVER SOUTHERN VAL VERDE COUNTY AND MOVE NORTH...TRAINING OVER THE SAME AREAS. DOPPLER RADAR ESTIMATES RAIN AMOUNTS HAD ACCUMULATED TO NEAR 2 INCHES FROM EARLIER THIS MORNING ALONG THE RIO GRANDE PLAINS NORTHWARD INTO CENTRAL VAL VERDE COUNTY JUST EAST OF LANGTRY. THIS INCLUDES THE TOWN OF COMSTOCK. GROUND CONDITIONS ARE BECOMING INCREASINGLY SATURATED AND FURTHER RAINS ARE EXPECTED TO PRODUCE FLASH FLOODING. * OTHER LOCATIONS IN THE WARNING INCLUDE SEMINOLE CANYON STATE PARK...PANDALE AND LANGTRY. HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS... COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 2925 10150 2946 10080 3309 10168 3300 10221 $$
1 follow-up statement
000 WGUS74 KEWX 261943 FFSSAT TXC465-262145- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 244 PM CDT SUN SEP 26 2004 ...A FLASH FLOOD WARNING CONTINUES UNTIL 5 PM CDT FOR VAL VERDE COUNTY... AT 240 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A BROAD BAND OF MODERATE TO HEAVY RAINS STRETCHING FROM JUST NORTH OF DEL RIO THROUGH THE COMSTOCK AREA TO CENTRAL VAL VERDE COUNTY EAST OF LANGTRY. SHOWERS CONTINUE DEVELOPING OVER SOUTHERN VAL VERDE COUNTY AND TRAINING NORTHWARD. AT 240 PM...THE VAL VERDE COUNTY SHERIFFS DEPARTMENT REPORTED FLOODING ON U.S. HIGHWAY 90 ABOUT A HALF MILE SOUTHEAST OF COMSTOCK. OTHER LOCATIONS IN THE WARNING INCLUDE SEMINOLE CANYON STATE PARK AND JUNO. HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS... COUNTRY ROADS...AND FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 2925 10150 2946 10080 3309 10168 3300 10221 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 25, 8:13 PM CDT | Flash Flood Warning | EWX | DeWitt | 3 hr |
| Sep 26, 4:51 PM CDT | Flash Flood Warning | EWX | Val Verde | 3 hr |
| Sep 26, 6:58 PM CDT | Flash Flood Warning | EWX | Edwards | 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.