Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 62, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Jul 13, 2002, 1:47 PM CDT for Menard County, Texas. It was in force for 118 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
- Jul 13, 2002, 1:47 PM CDT (18:47 UTC)
- Expired
- Jul 13, 2002, 3:45 PM CDT
- In force
- 118 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Menard County, TX
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
Del Rio, TX (KDRT), launched 12:00Z, 6.8 hours before the alert went out and 188 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
- 569 J/kg
- Mixed-layer CIN
- -127 J/kg
- Mixed-layer LCL
- 1571 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 3 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 KSJT 131847 FFWSJT TXC327-132045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 145 PM CDT SAT JUL 13 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... MENARD COUNTY IN SOUTH CENTRAL TEXAS * UNTIL 345 PM CDT * AT 140 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN OVER SOUTHERN MENARD COUNTY...OR ABOUT 12 MILES SOUTHEAST OF MENARD. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. 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 3073 9988 3073 9951 3081 9951 3081 9987
What 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 San Angelo, TX wrote its last area forecast discussion before this flash flood warning went out at Jul 13, 3:25 AM CDT, 10 hours 22 minutes earlier.
Area forecast discussion, Jul 13, 3:25 AM CDT, 10 hours 22 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 325 AM CDT SAT JUL 13 2002 08Z ANALYSIS SHOWS THE STRONG UPPER LEVEL RIDGE HOLDING ACROSS THE WESTERN STATES. OTHERWISE WEAK DISTURBANCES CONTINUE TO ROTATE SOUTH AROUND THE RIDGE ACROSS THE PLAINS. A WEAKLY DEFINED SURFACE FRONT IS NEARLY STATIONARY NEAR THE RED RIVER VALLEY. SURFACE DEWPOINTS CONTINUE AROUND 70F ACROSS MUCH OF THE REGION. THROUGH THIS EVENING...THE AVN CONTINUES TO INDICATE THE FRONTAL BOUNDARY SLIDING TO SOUTH OF I-10. WHEREAS THE ETA HAS BACKED OFF A BIT AND HELD UP THE FRONT A BIT FURTHER NORTH. LOOKING AT THE SURFACE OBSERVATIONS THE FRONT HAS BECOME SO DIFFUSE THERE IS NOT MUCH OF A DIFFERENCE IN THE AIRMASS ACROSS THE FRONT AT THE MOMENT ANYWAY. HOWEVER THE WATER VAPOR LOOP INDICATES THE SHORT WAVE PUSHING SOUTH ACROSS THE CENTRAL PLAINS IS HELPING TO PUSH SOME DRY AIR FURTHER SOUTH INTO THE TEXAS PANHANDLE AND OKLAHOMA. THIS MAY PROVIDE THE EXTRA PUSH THE FRONT NEEDS TO MAKE IT FURTHER SOUTH...BUT PERHAPS ONLY AS FAR AS I-20. WHETHER OR NOT THE FRONT PUSHES FURTHER SOUTH...THE LEFT OVER OUTFLOW BOUNDARIES FROM THE LAST COUPLE OF DAYS WILL CONTINUE TO HELP TRIGGER OFF SCATTERED THUNDERSTORMS ACROSS MUCH OF WEST CENTRAL TEXAS. TONIGHT...WITH THE SHOWERS CONTINUING TO BE MAINLY DIURNALLY DRIVEN EXPECT THE ACTIVITY TO DIMINISH AROUND SUNSET. HOWEVER A FEW SHOWERS WILL CONTINUE TO LINGER OVERNIGHT WITH THE LEFTOVER BOUNDARIES SCATTERED ACROSS THE REGION AND A BIT BETTER UPPER LEVEL SUPPORT. IF THE SLIGHTLY DRIER AIR DOES PUSH INTO THE BIG COUNTRY EXPECT THE BETTER CHANCES TO THE SOUTH. SUNDAY AND MONDAY...THE UPPER LEVEL TROUGH CONTINUES TO LINGER ACROSS THE REGION. ALSO THE DISSIPATING FRONT AND OUTFLOW BOUNDARIES CONTINUE TO PROVIDE A FOCUSING MECHANISM FOR SHOWER ACTIVITY. IN THE EXTENDED... THE MRF AND AVN CONTINUE TO SHOW AN UPPER LEVEL LOW SLOWLY LIFTING NORTH AWAY FROM THE REGION BEFORE SHEARING OUT BY MIDWEEK. THIS WILL ALLOW FOR THE SHOWER ACTIVITY TO SLOWLY WEAKEN. HOWEVER THE PREVIOUSLY ADVERTISED UPPER LEVEL RIDGE TOWARDS THE END OF THE WEEK IS NOT AS WELL DEFINED AS IN PREVIOUS RUNS. HOWEVER WITH A RIDGE IN PLACE (ALBEIT WEAK) WILL CONTINUE WITH MORE NORMAL (HOT AND DRY) CONDITIONS ACROSS WEST CENTRAL TEXAS ON THURSDAY AND FRIDAY. ABI 090/068/088/069 322- SJT 092/068/090/068 322- JCT 092/067/091/068 3221 .SJT...NONE 24
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 4:19 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 26 min |
| Jul 13, 4:28 PM CDT | Severe Thunderstorm Warning | SJT | Callahan | 32 min |
| Jul 13, 5:34 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 41 min |
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.