Alert archive / Texas / Flash Flood Warnings in 2001
Flash Flood Warning 29, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this flash flood warning at Jun 8, 2001, 7:15 AM CDT for Brazoria 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Jun 8, 2001, 7:15 AM CDT (12:15 UTC)
- Expired
- Jun 8, 2001, 10:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Brazoria County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 0.3 hours before the alert went out and 241 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
- 2670 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 445 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KHGX 081222 FFWHGX TXC039-081515- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 715 AM CDT FRI JUN 8 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN BRAZORIA COUNTY IN SOUTHEAST TEXAS * UNTIL 1015 AM CDT * AT 715 AM CDT...DOPPLER RADAR INDICATED VERY HEAVY RAINFALL GENERALLY CONFINED TO THE COASTAL SECTIONS OF BRAZORIA COUNTY. A SWATH OF 4 TO 7 INCHES OF RAIN HAS FALLEN FROM JONES CREEK TO OYSTER CREEK BETWEEN 3 AND 7 AM. SEVERAL UNDERPASSES IN THE FREEPORT AREA ARE IMPASSABLE. ANOTHER 1 TO 3 INCHES OF RAIN WILL BE POSSIBLE ALONG THE IMMEDIATE COAST THIS MORNING. * FLOODING IS EXPECTED IN OR NEAR... JONES CREEK...FREEPORT...OYSTER CREEK DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE ROAD! PLEASE REPORT FLOODING TO THE COUNTY SHERIFF...LOCAL POLICE...OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. LAT...LON 2900 9545 2887 9531 2904 9514 2911 9533
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 Jun 8, 3:37 AM CDT, 3 hours 38 minutes earlier.
Area forecast discussion, Jun 8, 3:37 AM CDT, 3 hours 38 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
337 AM CDT FRI JUN 8 2001
LOW LEVEL CIRCULATION OF ALLISON'S REMNANTS AROUND MADISONVILLE/KURTEN
AREA AT 2 AM...DRIFTING WSW. PROJECTIONS OF THE MOTION ARE TO TAKE IT
SSW TOWARD LA GRANGE-BELLVILLE AREA AROUND NOON AND PERHAPS AS FAR
SOUTHWEST AT THE VICTORIA AREA BY SATURDAY MORNING...SUSPECT THE
MODELS MAY BE MOVING IT TOO QUICK. PW CURRENTLY RUNNING 1.90-2.0
INCHES VIA GPS AT GLS. SFC DWPTS IN THE LOWER 70S INLAND AND AROUND 77
ON THE COAST. FEEDER BAND DEVELOPING FROM NEAR SARGENT TO FREEPORT TO
TEXAS CITY TO ANAHUAC AND THEN INTO THE MASSIVE BAND OVER
TYLER/HARDIN/JASPER...RADAR ESTIMATES OF 2.2-3.5"/HR. WE EVEN HAD ONE
STORM OVER CHAMBERS COUNTY POP A 60 VIL WITH A VERY PRONOUNCED WER.
COASTAL COUNTY STORMS MAY BE ABLE TO GO SEVERE THIS MORNING...PULSE
TYPE...MICROBURSTS AND PERHAPS A TORNADO THREAT.
WIDESPREAD RAINS CLOSER TO THE CORE SHOULD BE A REPEAT TODAY AND AGAIN
SATURDAY. THIS TRACK WILL BRING FA INTO THE DEEP MOIST AXIS ON THE
EAST SIDE OF THE SYSTEM. TAP OUT OF THE CENTRAL GULF WILL BE
TRAVERSING WEST AND SHOULD END UP POINTED RIGHT AT SETX. PRECIP
EFFICIENCY WILL BE EXTREME TONIGHT THROUGH SATURDAY NIGHT OVER THE
CENTRAL AND COASTAL FA. WILL CONTINUE THE FFA THROUGH TONIGHT AND AM
VERY CONFIDENT THAT IT WILL BE EXTENDED THROUGH SATURDAY NIGHT.
EXTREME RAINFALLS WILL NOT BE OUT OF THE QUESTION AND LOOK OUT
SATURDAY! JUST TO REITERATE THE REMNANTS OF TROPICAL STORMS HAVE
PRODUCED SOME VERY IMPRESSIVE/RECORD SETTING TOTALS! AVN HINTS THAT
THE 1000-700MB CIRCULATION COULD GET BACK OUT OVER THE WATER NEAR
MATAGORDA/MIDDLE TEXAS COAST SATURDAY NIGHT?...I SURE HOPE NOT!
MARINE...NO FLAGS AND 4 TO 5 FOOT SWELLS. EAST WINDS DEVELOPING
MAY LEAD TO SOME MARGINAL TIDAL RISES.
SPS ISSUED EARLIER WITH A RAINFALL SUMMARY AT THE MAJOR AIRPORT
SITES SINCE ALLISONS INCEPTION.
45/37/40/48/T
.KHGX...FLASH FLOOD WATCH ALL OF SOUTHEAST TEXAS THROUGH
TONIGHT.
PRELIMS...
CLL TT 082/072 082/071 085 ++8
IAH TT 082/073 082/072 084 9+9
GLS TT 084/075 084/075 084 ++9In the hours before
Special weather statement, Jun 8, 3:01 AM CDT, 4 hours 14 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-081100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
301 AM CDT FRI JUN 8 2001
AS THE REMNANTS OF TROPICAL STORM ALLISON CONTINUE TO PLAGUE
SOUTHEAST TEXAS...SEVERAL AREAS HAVE RECEIVED MORE THAN ENOUGH
RAINFALL. HERE ARE THREE DAY (1200 AM CST TUESDAY JUNE 5 TO 1200 AM
CST FRIDAY JUNE 8) RAINFALL TOTALS FROM AIRPORTS AROUND SOUTHEAST
TEXAS:
HUNTSVILLE............9.35 INCHES
SUGARLAND.............9.13 INCHES
PEARLAND..............8.28 INCHES
LEAGUE CITY (NWS).....7.13 INCHES
HOUSTON HOBBY.........7.10 INCHES
HOUSTON BUSH..........5.43 INCHES
CONROE................4.41 INCHES
TOMBALL...............3.77 INCHES
GALVESTON.............3.55 INCHES
ANGLETON..............1.62 INCHES
COLLEGE STATION.......1.50 INCHES
PALACIOS..............0.94 INCHES
A FLASH FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHEAST TEXAS
THROUGH TONIGHT AND WILL LIKELY BE EXTENDED THROUGH SATURDAY...AS
THE REMNANTS OF ALLISON WILL LINGER IN THE AREA FOR A FEW MORE DAYS.
WE WILL ISSUE UPDATED RAINFALL TOTALS LATER THIS AFTERNOON OR EVENING.The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 8:02 PM CDT | Flash Flood Warning | HGX | Liberty | 3 hr |
| Jun 7, 8:45 PM CDT | Flash Flood Warning | HGX | Houston | 3 hr |
| Jun 7, 10:44 PM CDT | Flash Flood Warning | HGX | Walker | 3 hr |
| Jun 7, 11:21 PM CDT | Flash Flood Warning | HGX | Houston | 3 hr |
| Jun 7, 11:48 PM CDT | Flash Flood Warning | HGX | Liberty | 3 hr |
| Jun 8, 1:37 AM CDT | Severe Thunderstorm Warning | HGX | Chambers | 38 min |
| Jun 8, 1:49 AM CDT | Flash Flood Warning | HGX | Liberty | 4 hr |
| Jun 8, 2:50 AM CDT | Flash Flood Warning | HGX | Houston, Trinity, Walker | 6 hr |
| Jun 8, 3:57 AM CDT | Severe Thunderstorm Warning | HGX | Galveston, Harris | 63 min |
| Jun 8, 4:25 AM CDT | Flash Flood Warning | HGX | Brazoria, Chambers, Galveston, Liberty | 3 hr |
| Jun 8, 6:41 AM CDT | Flash Flood Warning | HGX | Polk | 2 hr |
| Jun 8, 7:23 AM CDT | Flash Flood Warning | HGX | Liberty | 3 hr |
| Jun 8, 3:48 PM CDT | Flash Flood Warning | HGX | Montgomery, Walker | 3 hr |
| Jun 8, 5:10 PM CDT | Flash Flood Warning | HGX | Harris | 3 hr |
| Jun 8, 5:30 PM CDT | Flash Flood Warning | HGX | Brazoria, Fort Bend | 3 hr |
| Jun 8, 5:46 PM CDT | Tornado Warning | HGX | Montgomery | 44 min |
| Jun 8, 6:40 PM CDT | Flash Flood Warning | HGX | Washington | 3 hr |
| Jun 8, 6:52 PM CDT | Flash Flood Warning | HGX | Montgomery, Walker | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001
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.