Alert archive / Texas / Flash Flood Warnings in 1996
Flash Flood Warning 12, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Sep 21, 1996, 1:45 AM CDT for Matagorda 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 counties it named.
The facts
- Issued
- Sep 21, 1996, 1:45 AM CDT (06:45 UTC)
- Expired
- Sep 21, 1996, 4:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Matagorda County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 6.8 hours before the alert went out and 176 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
- 234 J/kg
- Mixed-layer CIN
- -264 J/kg
- Mixed-layer LCL
- 1539 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- -7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this flash flood warning went out at Sep 20, 8:31 PM CDT, 5 hours 14 minutes earlier.
Area forecast discussion, Sep 20, 8:31 PM CDT, 5 hours 14 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 829 PM CDT FRI SEP 20 1996 VERY UNSTABLE ATMOS OVR SETX...AND A TORNADIC TSTM WAS OCCURRING OVR THE WRN PTN OF THE FCST AREA. THIS STM WAS OUT AHEAD OF THE LINE... AND MAY BE EVOLVING INTO A SUPERCELL. WL NEED TO UP THE CHCS FOR PRECIP IN THE CLL AREA TO THE LIKELY CAT. FFA STILL LOOKS GOOD ALSO. ...40...
In the hours before
Special weather statement, Sep 20, 8:19 PM CDT, 5 hours 26 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-511-513-210820- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 819 PM CDT FRI SEP 20 1996 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH IN EFFECT UNTIL 2 AM FOR ALL OF SOUTHEAST TEXAS. COUNTIES INCLUDED IN THIS WATCH ARE: AUSTIN...BRAZORIA...BRAZOS...BURLESON...CHAMBERS...COLORADO... FORT BEND...GALVESTON...GRIMES...HARRIS...HOUSTON...JACKSON... LIBERTY....MADISON...MATAGORDA...MONTGOMERY...POLK... SAN JACINTO...TRINITY...WALKER...WALLER...WASHINGTON...WHARTON AND ADJACENT COASTAL WATERS. THUNDERSTORMS WITH A HISTORY OF PRODUCING TORNADOES AND LARGE HAIL CONTINUE TO DEVELOP IN THE REGION. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADO DEVELOPMENT IN AND NEAR THE WATCH AREA. PEOPLE NEAR THIS AREA SHOULD BE AWARE OF THE LATEST WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER IMMEDIATELY. STAY TUNED TO NOAA WEATHER RADIO...RADIO OR TELEVISION FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 20, 7:21 PM CDT | Tornado Warning | HGX | Burleson | 69 min |
| Sep 20, 8:00 PM CDT | Tornado Warning | HGX | Washington | 60 min |
| Sep 20, 8:45 PM CDT | Tornado Warning | HGX | Austin, Waller | 60 min |
| Sep 20, 8:57 PM CDT | Severe Thunderstorm Warning | HGX | Waller | 63 min |
| Sep 20, 9:04 PM CDT | Tornado Warning | HGX | Washington | 56 min |
| Sep 20, 9:07 PM CDT | Flash Flood Warning | HGX | Austin, Burleson, Washington | 3 hr |
| Sep 20, 9:43 PM CDT | Tornado Warning | HGX | Austin | 62 min |
| Sep 20, 10:01 PM CDT | Severe Thunderstorm Warning | HGX | Colorado | 59 min |
| Sep 20, 10:34 PM CDT | Tornado Warning | HGX | Austin, Fort Bend, Wharton | 56 min |
| Sep 20, 11:36 PM CDT | Severe Thunderstorm Warning | HGX | Colorado | 69 min |
| Sep 21, 12:02 AM CDT | Flash Flood Warning | HGX | Austin | 118 min |
| Sep 21, 12:26 AM CDT | Severe Thunderstorm Warning | HGX | Wharton | 64 min |
| Sep 21, 12:39 AM CDT | Severe Thunderstorm Warning | HGX | Jackson | 66 min |
| Sep 21, 12:55 AM CDT | Severe Thunderstorm Warning | HGX | Matagorda | 65 min |
| Sep 21, 2:37 AM CDT | Severe Thunderstorm Warning | HGX | Matagorda | 68 min |
Nearby
Flash Flood Warnings in Texas, 1996Every flash flood warning in 1996
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.