Alert archive / Texas / Flash Flood Warnings in 1991
Flash Flood Warning 9, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Apr 12, 1991, 10:27 PM CDT for Johnson County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1991, 10:27 PM CDT (03:27 UTC)
- Expired
- Apr 13, 1991, 1:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Johnson County, TX
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 00:00Z, 3.5 hours before the alert went out and 71 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
- 2952 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1539 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 8.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Apr 12, 5:34 PM CDT, 4 hours 53 minutes before
TXZ031-122345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 534 PM CDT FRI APR 12 1991 ...TORNADO WATCH IN EFFECT UNTIL 1000 PM CDT FOR BELL...BOSQUE...CORYELL ...HILL AND MCLENNAN COUNTIES... AT 520 PM CDT WACO WEATHER RADAR SHOWED NO PRECIPITATION OCCURING IN CENTRAL TEXAS. HOWEVER...A VERY STRONG THUNDERSTORM WAS NOTED OVER HOOD COUNTY... JUST SOUTH OF GRANBURY. MOVEMENT WAS TO THE NORTHEAST AT 25 MPH. ALTHOUGH NO SEVERE WEATHER WAS NOTED OVER CENTRAL TEXAS RESIDENTS SHOULD BE ON THE LOOKOUT FOR THUNDERSTORMS LATER THIS AFTERNOON AND EVENING. SOME OF THE STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND LARGE HAIL. TORNADOES WILL ALSO BE POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS.< 07
Special weather statement, Apr 12, 7:14 PM CDT, 3 hours 13 minutes before
TXZ031-130100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 712 PM CDT FRI APR 12 1991 ...TORNADO WATCH IN EFFECT UNTIL 1000 PM CDT FOR BELL...BOSQUE...CORYELL ...HILL AND MCLENNAN COUNTIES... AT 709 PM CDT A LARGE SEVERE THUNDERSTORM WITH VERY HEAVY RAINS...STRONG DAMAGING WINDS AND HAIL WAS OVER JOHNSON COUNTY. IT WAS MOVING EAST AT 10 MILES AN HOUR. ALTHOUGH NO SEVERE WEATHER WAS NOTED OVER CENTRAL TEXAS RESIDENTS SHOULD BE ON THE LOOKOUT FOR THUNDERSTORMS LATER THIS EVENING AND TONIGHT. SOME OF THE STORMS WILL BE CAPABLE OF PRODUCING VERY HEAVY RAIN...STRONG GUSTY WINDS...DANGEROUS LIGHTNING AND LARGE HAIL. TORNADOES WILL ALSO BE POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. 05
Special weather statement, Apr 12, 8:15 PM CDT, 2 hours 12 minutes before
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</html>Special weather statement, Apr 12, 10:10 PM CDT, 17 minutes before
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</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 7:34 PM CDT | Flash Flood Warning | FWD | Johnson | 3 hr |
| Apr 12, 7:43 PM CDT | Tornado Warning | FWD | Johnson | 47 min |
| Apr 12, 8:30 PM CDT | Tornado Warning | FWD | Johnson | 60 min |
| Apr 12, 9:10 PM CDT | Tornado Warning | FWD | Hill | 65 min |
| Apr 12, 9:30 PM CDT | Tornado Warning | FWD | Johnson | 45 min |
| Apr 12, 10:15 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 45 min |
| Apr 12, 10:16 PM CDT | Tornado Warning | FWD | Hill | 59 min |
| Apr 12, 11:04 PM CDT | Flash Flood Warning | FWD | Hill | 4 hr |
| Apr 13, 12:02 AM CDT | Tornado Warning | FWD | Hill | 43 min |
| Apr 13, 12:16 AM CDT | Flash Flood Warning | FWD | Ellis | 59 min |
| Apr 13, 9:04 AM CDT | Flash Flood Warning | FWD | Johnson, Somervell | 4 hr |
| Apr 13, 9:04 AM CDT | Flash Flood Warning | FWD | Hamilton | 4 hr |
| Apr 13, 9:17 AM CDT | Flash Flood Warning | FWD | Dallas, Tarrant | 4 hr |
| Apr 13, 10:32 AM CDT | Flash Flood Warning | FWD | Ellis | 2 hr |
| Apr 13, 10:59 AM CDT | Flash Flood Warning | FWD | Bell, Coryell, McLennan | 3 hr |
| Apr 13, 11:05 AM CDT | Flash Flood Warning | FWD | Hunt, Rockwall | 3 hr |
| Apr 13, 11:56 AM CDT | Severe Thunderstorm Warning | FWD | Bell | 64 min |
| Apr 13, 12:16 PM CDT | Severe Thunderstorm Warning | FWD | Ellis | 31 min |
| Apr 13, 12:18 PM CDT | Flash Flood Warning | FWD | Falls, Limestone | 3 hr |
| Apr 13, 1:04 PM CDT | Flash Flood Warning | FWD | Bell, Coryell, Falls, Hill, Limestone, McLennan | 3 hr |
| Apr 13, 1:06 PM CDT | Tornado Warning | FWD | Red River | 54 min |
| Apr 13, 4:47 PM CDT | Severe Thunderstorm Warning | FWD | Brazos, Robertson | 58 min |
| Apr 13, 5:23 PM CDT | Severe Thunderstorm Warning | FWD | Leon, Madison | 52 min |
| Apr 13, 6:03 PM CDT | Severe Thunderstorm Warning | FWD | Brazos | 57 min |
| Apr 13, 6:58 PM CDT | Severe Thunderstorm Warning | FWD | Brazos | 62 min |
Nearby
Flash Flood Warnings in Texas, 1991Every flash flood warning in 1991
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.