Alert archive / Texas / Flash Flood Warnings in 1995
Flash Flood Warning 22, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at May 31, 1995, 9:26 PM CDT for Polk County, Texas. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- May 31, 1995, 9:26 PM CDT (02:26 UTC)
- Expired
- May 31, 1995, 11:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Polk County, TX
The radar
The Houston radar (KHGX), 149 km from the middle of the area, began a volume at 02:26 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, 2.4 hours before the alert went out and 173 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
- 2774 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 788 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 86 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 010228 FFWHOU TXC373-010430- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON TX 926 PM CDT WED MAY 31 1995 THE NATIONAL WEATHER SERVICE IN HOUSTON HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST TEXAS ...POLK COUNTY AT 922 PM...STRONG THUNDERSTORMS CONTINUED TO PRODUCE VERY HEAVY RAINS OVER POLK COUNTY. RADAR ESTIMATES INDICATE THAT UP TO 4 INCHES OF RAIN HAS FALLEN OVER AREAS ALONG AND SOUTH OF U.S. 190...BETWEEN 5 AND 10 MILES EAST OF LIVINGSTON. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSEbRVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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 31, 8:04 PM CDT, 1 hour 22 minutes earlier.
Area forecast discussion, May 31, 8:04 PM CDT, 1 hour 22 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON TX 804 PM CDT WED MAY 31 1995 LATEST SFC ANALYSES AND ADAP DATA SHOWED MOST UNSTABLE ARMS FM AND NORTH OF A LINE FM CLL TO IAH TO BPT. TSTMS AT 00Z WERE BEGINNING TO FIRE IN AN AREA BETWEEN A THERMAL RDG ALONG THE AFORE MENTIONED LINE AND THE BEST MOISTURE AXIS INDICATED FM CLL THRU TYR. AM A BIT CONCERNED ABOUT THE OUTFLOW BOUNDARY PRODUCED BY STORMS WNW OF CLL INTERACTING WITH THIS AREA. TSTMS APPEAR TO BEGIN A FEW MILES N OF IAH AND XTD NE TO JUST SO OF LFK...WITH SOME BACK BUILDING HINTED AT. WITH THE DAYTIME HEATING OVR WITH...MESO-SCALE LIFT MAY BE ENUF FOR STG OR SVR TSTMS AND HVY PCPN. HOWEVER...INFLOW WNDS ARE LGT UNDER 10 KTS. THERMODYNAMICALLY...CRP 00Z SOUNDING SHOWING CAPES NR 3050 AND 0-3 KM HELICITY AROUND 130. ADAP LI/S NR -12 AT 00Z ALSO. WL MENTION POSSIBILITY OF HVY RAIN AND WL UP THE POPS TO 50 PERCENT FOR NRN AND NERN ZONES. ...40...
In the hours before
Special weather statement, May 31, 3:46 PM CDT, 5 hours 40 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-511-513-010430- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON TX 4 PM CDT WED MAY 31 1995 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS ALL OF SOUTHEAST TEXAS TONIGHT THROUGH THURSDAY EVENING. THE CITIES OF HOUSTON...BRYAN...COLLEGE STATION AND GALVESTON ARE INCLUDED IN THE RISK AREA. AN UPPER LEVEL DISTURBANCE MOVING ACROSS A WEAK STATIONARY FRONT HAS LEAD TO THE DEVELOPMENT OF STRONG THUNDERSTORMS OVER NORTH TEXAS THIS AFTERNOON. AS THIS SYSTEM MOVES SOUTH INTO THE AREA...STRONG THUNDERSTORMS ARE EXPECTED TO DEVELOP LATER THIS EVENING OVER SOUTHEAST TEXAS. WITH THIS AFTERNOON'S HEATING...THE ATMOSPHERE OVER SOUTHEAST TEXAS HAS BECOME QUITE UNSTABLE AND SHOULD BE SUFFICIENT FOR THE STORMS TO BECOME SEVERE. THE MAIN THREAT WITH THESE SEVERE THUNDERSTORMS WILL BE LARGE HAIL AND DAMAGING WINDS. TOMORROW...ANOTHER SERIES OF UPPER LEVEL DISTURBANCES WILL BE MOVING THROUGH THE AREA. WITH THE ATMOSPHERE REMAINING RELATIVELY UNCHANGED - MOIST AND UNSTABLE...ANOTHER ROUND OF SEVERE WEATHER IS POSSIBLE THURSDAY INTO THURSDAY EVENING. STAY TUNED TO NOAA WEATHER RADIO OR OTHER NEWS SOURCES FOR FURTHER UPDATES OR POSSIBLE WATCHES OR WARNINGS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 31, 8:08 PM CDT | Severe Thunderstorm Warning | HGX | Liberty, Montgomery, San Jacinto | 67 min |
| May 31, 8:24 PM CDT | Severe Thunderstorm Warning | HGX | Polk | 66 min |
| May 31, 9:13 PM CDT | Flash Flood Warning | HGX | Montgomery | 2 hr |
| May 31, 10:44 PM CDT | Severe Thunderstorm Warning | HGX | Liberty, Montgomery | 61 min |
| May 31, 11:37 PM CDT | Flash Flood Warning | HGX | Liberty, Montgomery, San Jacinto | 3 hr |
| Jun 1, 12:22 AM CDT | Severe Thunderstorm Warning | HGX | Harris, Montgomery, Waller | 68 min |
| Jun 1, 12:39 AM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Wharton | 66 min |
| Jun 1, 12:53 AM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado | 37 min |
| Jun 1, 1:12 AM CDT | Severe Thunderstorm Warning | HGX | Liberty, San Jacinto | 63 min |
| Jun 1, 1:12 AM CDT | Severe Thunderstorm Warning | HGX | Walker | 63 min |
| Jun 1, 1:24 AM CDT | Severe Thunderstorm Warning | HGX | Harris | 66 min |
| Jun 1, 1:28 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 62 min |
| Jun 1, 1:46 AM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 59 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.