Alert archive / Texas / Flash Flood Warnings in 2002
Flash Flood Warning 44, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Jul 5, 2002, 3:52 PM CDT for Tom Green County, Texas. It was in force for 113 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 5, 2002, 3:52 PM CDT (20:52 UTC)
- Expired
- Jul 5, 2002, 5:45 PM CDT
- In force
- 113 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Tom Green 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
Midland Regional, TX (KMAF), launched 12:00Z, 8.9 hours before the alert went out and 171 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
- 10 J/kg
- Mixed-layer CIN
- -331 J/kg
- Mixed-layer LCL
- 1420 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 12 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 052052
FFWSJT
TXC451-052245-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
351 PM CDT FRI JUL 5 2002
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
TOM GREEN COUNTY IN SOUTHWEST TEXAS
* UNTIL 545 PM CDT
* AT 350 PM WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH VERY
HEAVY RAINFALL OVER CENTRAL AND EASTERN TOM GREEN COUNTY...EXTENDING
FROM THE CITY OF SAN ANGELO TO BETWEEN VERIBEST AND VANCOURT. OTHER
STORMS WERE DEVELOPING OVER FAR WESTERN TOM GREEN COUNTY. THE STORMS
WERE MOVING VERY LITTLE...AND WERE PRODUCING VERY HEAVY RAIN.
* RAINFALL TOTALING 1 TO 2 INCHES HAS ALREADY FALLEN IN THE WARNED
AREA. ADDITIONAL RAINFALL OF 1 TO 2 INCHES WILL OCCUR...AND WILL CAUSE
FLASH FLOODING.
EXCESSIVE RUNOFF FROM THESE STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...URBAN STREET FLOODING...AND FLOODING OF LOW LYING
SPOTS.
DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. THE WATER DEPTH
MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. DO NOT ATTEMPT TO
DRIVE AROUND BARRICADES. MOST FLASH FLOOD DEATHS OCCUR IN VEHICLES.
LAT...LON 3157 10013 3159 10026 3168 10027 3169 10069
3168 10082 3158 10083 3157 10068 3112 10066
3112 100171 follow-up statement
000 WGUS74 KSJT 052214 FFSSJT TXC451-052245- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 510 PM CDT FRI JUL 5 2002 ...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR TOM GREEN COUNTY UNTIL 545 PM CDT... AT 510 PM CDT...DOPPLER RADAR ESTIMATED THAT NEARLY TWO INCHES OF RAIN HAVE FALLEN OVER CENTRAL PORTIONS OF TOM GREEN COUNTY SINCE 3 PM... WITH ADDITIONAL RAINFALL UP TO ONE INCH EXPECTED OVER SOUTHERN TOM GREEN COUNTY BY 545 PM CDT. THIS WILL CONTINUE TO PRODUCE FLOODING OF LOW WATER CROSSINGS AND POOR DRAINAGE AREAS. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
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 5, 3:45 PM CDT, 7 minutes earlier.
Area forecast discussion, Jul 5, 3:45 PM CDT, 7 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...CORRECTED CCF NUMBERS NATIONAL WEATHER SERVICE SAN ANGELO TX 345 PM CDT FRI JUL 5 2002 CURRENT...SATELLITE IMAGERY...ESPECIALLY THE WATER VAPOR...INDICATES THE VORT MAX ASSOCIATED WITH THE UPPER-LEVEL LOW OVER CENTRAL NEW MEXICO IS MOVING EAST. AWIPS DISTANCE-SPEED TOOL INDICATES THE EASTWARD SPEED HAS INCREASED DURING THE LAST FEW HOURS AND IS NOW AROUND 20 MPH. OVER WEST CENTRAL TEXAS...WATER VAPOR IMAGERY CLEARLY SHOWS THE UPPER DIVERGENT FLOW ASSOCIATED WITH THE TROPICAL WAVE OVER CENTRAL TEXAS. KSJT WSR-88D DATA SHOWS A WEAK MCV OVER OUR SOUTHEASTERN ZONES. DAYS 1-3...RUC40 INDICATES CURRENT SHOWER AND THUNDERSTORM ACTIVITY WILL CONTINUE INTO THE EVENING HOURS. BEST POPS WILL BE ACROSS OUR SOUTHEASTERN ZONES. THUS...WILL CONTINUE THE FLASH FLOOD WATCH FOR THE SAME COUNTIES THERE TONIGHT. THE REAL QUESTION FOR THE SECOND PERIOD AND BEYOND IS HOW WILL THE UPPER-LEVEL LOW OVER NEW MEXICO INTERACT WITH THIS TROPICAL WAVE. THE ETA DOES NOT DO MUCH WITH THIS INTERACTION. THE AVN HOWEVER SUGGESTS THE UPPER-LEVEL LOW OVER NEW MEXICO WILL INTERACT WITH THE TROPICAL WAVE...ESPECIALLY FOR TOMORROW NIGHT. BASED ON SATELLITE AND MESO ANALYSIS...BELIEVE AVN POPS BEST BUT STILL TOO LOW THROUGH SUNDAY. BEST CHANCES TONIGHT ACROSS OUR SOUTHEASTERN ZONES WILL SHIFT WEST TOMORROW WITH THE FOCUS ON OUR CENTRAL ZONES. FOR TOMORROW NIGHT AND SUNDAY...BEST POPS WILL BE CENTRAL AND NORTHWEST. TEMPERATURES CLOSE TO AVN GUIDANCE LOOK GOOD FOR AFTERNOON HIGHS THROUGH MONDAY WITH PERSISTENCE BEST FOR OVERNIGHT LOWS. DAYS 4-7...RAIN CHANCES CONTINUE THROUGH THE END OF NEXT WEEK...ESPECIALLY GIVEN THE CONTINUED LOW-LEVEL MOISTURE AND AFTERNOON HIGHS WELL IN THE 90S TO PROVIDE THE DESTABILIZATION. THANKS TO MAF...LBB...AND SAT FOR EXCELLENT COORDINATION...WHAT A TEAM CCF PRELIMS... ABI 070/088 070/090 070 6654 SJT 070/090 070/093 070 6643 JCT 070/090 070/093 070 7532 .SJT...FLASH FLOOD WATCH TONIGHT FOR MASON...MENARD...KIMBLE... MCCULLOCH...SAN SABA...BROWN...COLEMAN COUNTIES. 23/HUBER
In the hours before
Special weather statement, Jul 5, 2:30 PM CDT, 1 hour 22 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-052330- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 230 PM CDT FRI JUL 5 2002 ...SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WITH HEAVY AND POSSIBLY EXCESSIVE RAINFALL WILL OCCUR INTO EARLY SATURDAY MORNING ACROSS WEST CENTRAL TEXAS... A PERSISTENT UPPER LEVEL DISTURBANCE WILL REMAIN OVER WEST CENTRAL TEXAS THROUGH TONIGHT. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL OCCUR THIS AFTERNOON AND EARLY TONIGHT ACROSS THE REGION. SIMILAR TO THE PAST FEW NIGHTS...A MORE CONCENTRATED AREA OF SHOWERS AND STORMS COULD DEVELOP OR MOVE INTO SOUTHEASTERN SECTIONS OF WEST CENTRAL TEXAS LATE TONIGHT. THE STORMS ARE NOT EXPECTED TO BE SEVERE. HOWEVER...THE STORMS COULD BE ACCOMANIED BY FREQUENT LIGHTNING AND VERY HEAVY RAINFALL. RAINFALL TOTALS ACROSS WEST CENTRAL TEXAS OF 1 TO 2 INCHES WILL BE POSSIBLE AT SCATTERED LOCATIONS...WITH LOCALIZED AMOUNTS OF 3 INCHES OR MORE. IN THE HEARTLAND AND NORTHWEST HILL COUNTRY...THE GROUND IS SATURATED WITH SOME STREAMS AND CREEKS RUNNING NEAR BANKFULL. ADDITIONAL HEAVY RAIN WOULD CAUSE FLASH FLOODING PROBLEMS. A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR THE NORTHWEST HILL COUNTRY AND HEARTLAND. SPOTTER ACTIVATION IS NOT ANTICIPATED.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 4:01 AM CDT | Flash Flood Warning | SJT | Mason, San Saba | 4 hr |
| Jul 5, 8:10 AM CDT | Flash Flood Warning | SJT | Kimble, Mason | 4 hr |
| Jul 5, 12:14 PM CDT | Flash Flood Warning | SJT | Kimble, Mason | 6 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.