Alert archive / Texas / Flash Flood Warnings in 1995
Flash Flood Warning 49, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Dec 17, 1995, 2:27 PM CST for Galveston County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Dec 17, 1995, 2:27 PM CST (20:27 UTC)
- Expired
- Dec 17, 1995, 5:30 PM CST
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Galveston County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 8.5 hours before the alert went out and 180 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
- 675 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 573 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 4.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHOU 172029 FFWHOU TXC167-172330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON TX 227 PM CST SUN DEC 17 1995 THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 530 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST TEXAS ...GALVESTON COUNTY HEAVY RAINS WILL CONTINUE OVER GALVESTON COUNTY FOR THE NEXT SEVERAL HOURS WITH ADDITIONAL 2-3 INCHES POSSIBLE IN SOME LOCATIONS. SOME FLOODING OF LOW LYING AREAS...LOW WATER CROSSINGS AND AREAS THAT NORMALLY FLOOD DURING HEAVY RAIN IS ALREADY OCCURRING AND WILL ONLY BECOME MORE SEVERE AS ADDITIONAL RAIN FALLS ACROSS THE REGION. TRAVEL ACROSS GALVESTON COUNTY SHOULD BE AVOIDED THIS AFTERNOON IF AT ALL POSSIBLE DUE TO THE FLOODED ROADWAYS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND.
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 Dec 17, 9:19 AM CST, 5 hours 8 minutes earlier.
Area forecast discussion, Dec 17, 9:19 AM CST, 5 hours 8 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 918 AM CST SUN DEC 17 1995 TSTMS LOOK TO BE IN THE PICTURE FOR SERN TX THRU TODAY. AREA SOUNDINGS AT 12Z SHOWED PW/S NR 1.5 TO 1.6...AND REFERRING TO THE QPFERD FROM NCEP...PW/S IN THE GULF WERE IN THE 1.5 TO 1.73 INCH RANGE. NEEDLESS TO SAY WL CONT THE FLASH FLOOD WATCH THRU THE AFT AND CONSIDER EXTENDING THRU THE NIGHT AS THE NEW GUIDANCE COMES IN. SVR FACTOR FOR TODAY A CONCERN ALSO...ALREADY SEVERAL REPORTS OF SVR WX HAVE OCCURRED ACROSS THE FCST AREA THIS AM. SATL SHOWS MSC OVR THE ENTIRE AREA...WITH SOME BACKBUILDING OCCURRING. THE ENTIRE BOUNDARY DOES LOOK TO BE MOVG EWD SLOWLY...BUT CONVECTION BEHIND THIS AREA OF STORMS IS VERY PROBABLE THIS AFT. HEATING...EVEN FOR THIS TIME OF YEAR...WL INTERACT WITH THE VERY MOIST AND UNSTABLE ATMOS. LOWERED TEMPS A BIT FAR INLAND COUNTIES...KEPT BASICALLY THE SAME ELSEWHERE. ...40...
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 2:00 AM CST | Severe Thunderstorm Warning | HGX | Burleson | 60 min |
| Dec 17, 2:40 AM CST | Severe Thunderstorm Warning | HGX | Matagorda | 65 min |
| Dec 17, 3:06 AM CST | Severe Thunderstorm Warning | HGX | Grimes, Waller | 54 min |
| Dec 17, 3:19 AM CST | Tornado Warning | HGX | Montgomery | 56 min |
| Dec 17, 3:19 AM CST | Tornado Warning | HGX | Grimes | 39 min |
| Dec 17, 3:22 AM CST | Severe Thunderstorm Warning | HGX | Walker | 68 min |
| Dec 17, 4:23 AM CST | Severe Thunderstorm Warning | HGX | San Jacinto | 52 min |
| Dec 17, 4:23 AM CST | Severe Thunderstorm Warning | HGX | Montgomery | 31 min |
| Dec 17, 5:16 AM CST | Severe Thunderstorm Warning | HGX | Polk | 59 min |
| Dec 17, 5:26 AM CST | Severe Thunderstorm Warning | HGX | San Jacinto | 34 min |
| Dec 17, 5:33 AM CST | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 57 min |
| Dec 17, 6:13 AM CST | Flash Flood Warning | HGX | Burleson | 3 hr |
| Dec 17, 6:54 AM CST | Flash Flood Warning | HGX | Polk, San Jacinto | 3 hr |
| Dec 17, 7:31 AM CST | Severe Thunderstorm Warning | HGX | Matagorda | 59 min |
| Dec 17, 7:39 AM CST | Tornado Warning | HGX | Matagorda | 51 min |
| Dec 17, 7:44 AM CST | Flash Flood Warning | HGX | Grimes | 3 hr |
| Dec 17, 7:59 AM CST | Flash Flood Warning | HGX | Montgomery | 4 hr |
| Dec 17, 8:14 AM CST | Tornado Warning | HGX | Brazoria, Matagorda | 61 min |
| Dec 17, 8:43 AM CST | Flash Flood Warning | HGX | Harris, Liberty | 2 hr |
| Dec 17, 8:43 AM CST | Severe Thunderstorm Warning | HGX | Harris, Liberty | 2 hr |
| Dec 17, 9:00 AM CST | Flash Flood Warning | HGX | Galveston | 2 hr |
| Dec 17, 9:00 AM CST | Severe Thunderstorm Warning | HGX | Galveston | 2 hr |
| Dec 17, 9:27 AM CST | Tornado Warning | HGX | Galveston | 63 min |
| Dec 17, 9:47 AM CST | Flash Flood Warning | HGX | Chambers | 118 min |
| Dec 17, 9:47 AM CST | Severe Thunderstorm Warning | HGX | Chambers | 118 min |
| Dec 17, 10:02 AM CST | Flash Flood Warning | HGX | Matagorda | 118 min |
| Dec 17, 10:32 AM CST | Tornado Warning | HGX | Brazoria, Matagorda | 58 min |
| Dec 17, 11:15 AM CST | Flash Flood Warning | HGX | Brazoria, Fort Bend | 4 hr |
| Dec 17, 11:15 AM CST | Flash Flood Warning | HGX | Matagorda | 4 hr |
| Dec 17, 11:23 AM CST | Flash Flood Warning | HGX | Galveston | 3 hr |
| Dec 17, 11:31 AM CST | Tornado Warning | HGX | Brazoria | 48 min |
| Dec 17, 3:20 PM CST | Flash Flood Warning | HGX | Chambers | 2 hr |
| Dec 17, 3:20 PM CST | Flash Flood Warning | HGX | Brazoria | 2 hr |
| Dec 17, 5:01 PM CST | Severe Thunderstorm Warning | HGX | Brazoria | 59 min |
| Dec 17, 5:30 PM CST | Flash Flood Warning | HGX | Brazoria, Galveston | 3 hr |
| Dec 17, 5:30 PM CST | Flash Flood Warning | HGX | Chambers | 3 hr |
| Dec 17, 5:44 PM CST | Severe Thunderstorm Warning | HGX | Polk | 61 min |
Nearby
Flash Flood Warnings in Texas, 1995Every flash flood warning in 1995
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.