Alert archive / Texas / Flash Flood Warnings in 1995
Flash Flood Warning 13, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at May 30, 1995, 5:01 AM CDT for Harris County, Texas. It was in force for 119 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1995, 5:01 AM CDT (10:01 UTC)
- Expired
- May 30, 1995, 7:00 AM CDT
- In force
- 119 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Harris County, TX
The radar
The Houston radar (KHGX), 52 km from the middle of the area, began a volume at 10:00 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.0 hours before the alert went out and 213 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
- 8 J/kg
- Mixed-layer CIN
- -276 J/kg
- Mixed-layer LCL
- 1464 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KHOU 301002 FFWHOU TXC201-301200- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON TX 501 AM CDT TUE MAY 30 1995 THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 700 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST TEXAS ...SOUTHERN HARRIS COUNTY AT 500 AM...SHOWERS AND THUNDERSTORMS CONTAINING VERY HEAVY RAINS WERE OCCURRING OVER SOUTHERN HARRIS COUNTY BETWEEN SEEBROOK AND HOBBY AIRPORT. HARRIS COUNTY FLOOD CONTROL REPORTS RAINFALL TOTALS OF 3 TO 4 INCHES WITHIN THE PAST TWO HOURS IN THIS AREA. HEAVY RAINS ARE EXPECTED TO CONTINUE WHICH MAY RESULT IN FLASH FLOODING. THIS IS A DANGEROUS FLOOD SITUAZTION. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR UNDERPASSES. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP 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 May 30, 3:31 AM CDT, 1 hour 30 minutes earlier.
Area forecast discussion, May 30, 3:31 AM CDT, 1 hour 30 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON TX 330 AM CDT TUE MAY 30 1995 SE TX ATMOSPHERE CONTINUES MOIST (BUT NOT AS MOIST AS YESTERDAY) AND UNSTABLE AS WEAK STATIONARY FRONT REMAINS NEAR THE AREA. LATEST 88D AND SATELLITE PICTURES SHOW A LARGE RW/TRW COMPLEX APPROACHING FROM THE W AND ISOLATED RW/TRW POPPING S OF IAH. THINKING IS THAT RW/TRW WILL INCREASE ACROSS SE TX THROUGH MID MORNING THEN DECREASE (MOVE TO THE E) AS THE DAY PROGRESSES. WITH SPOTTY VERY HEAVY RAINFALL TOTALS FROM YESTERDAY AND COORDINATION WITH SAT AND LCH OFFICES...WILL HAVE A FLASH FLOOD WATCH IN EFFECT TODAY GENERALLY NORTH OF INTERSTATE 10 WHERE FFG VALUES APPEAR TO BE REACHABLE. COASTAL COUNTIES HAVE THE HIGHEST FFG NUMBERS (NEAR 5 INCHES) SO WILL LEAVE THEM OUT OF THE WATCH. WITH FRONT REMAINING NEAR SE TX THROUGH WED...WILL LEAVE RAIN CHANCES IN THE FORECAST. WILL NOT STRAY TOO FAR FROM MOS TEMPS. IAH TE 083/071 085/070 086 42754 42
In the hours before
Special weather statement, May 30, 3:33 AM CDT, 1 hour 28 minutes before
TXZ163-164-176>179-195>200-210>213-301500- HEAVY RAIN OUTLOOK NATIONAL WEATHER SERVICE HOUSTON TX 330 AM CDT TUE MAY 30 1995 THERE IS A RISK OF ADDITIONAL HEAVY RAINFALL TODAY FOR ALL OF SOUTHEAST TEXAS. HEAVY RAIN IS EXPECTED TO REDEVELOP OVER MUCH OF SOUTHEAST TEXAS TODAY. AS OF 3 AM...THE LEADING EDGE OF A LARGE AREA OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM NEAR A COLLEGE STATION TO COLUMBUS LINE...WHILE OTHER THUNDERSTORMS HAD DEVELOPED FROM NEAR SEALY TO FREEPORT. ABUNDANT LOW LEVEL MOISTURE...A SERIES OF UPPER LEVEL DISTURBANCES AND A WEAK STATIONARY FRONT JUST NORTH OF THE AREA WILL INTERACT TO PRODUCE WIDESPREAD SHOWER AND THUNDERSTORM ACTIVITY TODAY. MID LEVELS OF THE ATMOSPHERE ARE SATURATED...SO THE POTENTIAL FOR HEAVY RAIN EXISTS. UPPER LEVEL WINDS ARE WEAK PRODUCING SLOW MOVING STORMS. IN ADDITION...WEAK WINDS ALOFT ALLOW STORMS TO REDEVELOP OVER THE SAME AREA FOR AN EXTENDED PERIOD OF TIME WHICH WHICH LIKELY YIELD VERY HEAVY RAINFALL TOTALS. RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED WITH TODAYS THUNDERSTORM ACTIVITY. THE GROUND IS ALREADY SATURATED FROM PREVIOUS RAINS. ADDITIONAL RAINS TODAY WILL CAUSE RIVERS AND STREAMS TO RISE...POSSIBLY FLOODING LOW LYING AREAS. EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTERS SHOULD MONITOR THIS WEATHER SITUATION CLOSELY. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR FURTHER UPDATES.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 5:27 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 49 min |
| May 30, 5:43 AM CDT | Severe Thunderstorm Warning | HGX | Liberty | 33 min |
| May 30, 5:58 AM CDT | Flash Flood Warning | HGX | Galveston | 2 hr |
| May 30, 6:15 AM CDT | Flash Flood Warning | HGX | Wharton | 60 min |
| May 30, 6:15 AM CDT | Severe Thunderstorm Warning | HGX | Wharton | 60 min |
| May 30, 6:21 AM CDT | Flash Flood Warning | HGX | Brazoria, Fort Bend | 2 hr |
| May 30, 6:25 AM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Harris | 65 min |
| May 30, 7:08 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Matagorda | 67 min |
| May 30, 7:09 AM CDT | Flash Flood Warning | HGX | Harris | 2 hr |
| May 30, 7:23 AM CDT | Severe Thunderstorm Warning | HGX | Chambers | 67 min |
| May 30, 7:53 AM CDT | Flash Flood Warning | HGX | Galveston | 2 hr |
| May 30, 8:28 AM CDT | Tornado Warning | HGX | Chambers | 37 min |
| May 30, 9:22 AM CDT | Flash Flood Warning | HGX | Harris | 2 hr |
| May 30, 10:04 AM CDT | Flash Flood Warning | HGX | Galveston | 86 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; radar from the NEXRAD Level II archive.