Alert archive / Texas / Flash Flood Warnings in 2000

Flash Flood Warning 32, NWS Houston/Galveston, TX

November 3, 2000Brazos County, Texas

NWS Houston/Galveston, TX issued this flash flood warning at Nov 3, 2000, 3:55 PM CST for Brazos County, Texas. It was in force for 2 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: Nov 3, 2000, 3:55 PM CST (21:55 UTC)
Expired: Nov 3, 2000, 6:00 PM CST
In force: 2 hr
Issued by: NWS Houston/Galveston, TX
Area: Whole counties

County Brazos County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 9.9 hours before the alert went out and 259 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 27 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 652 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 175 m²/s²
0-3 km storm-relative helicity: 131 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KHGX 032153
FFWHGX
TXC041-040000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
355 PM CST FRI NOV 3 2000

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON TX HAS RE-ISSUED A

* FLASH FLOOD WARNING FOR...
  BRAZOS COUNTY IN SOUTHEAST TEXAS

* UNTIL 600 PM CST

* AT 355 PM CST...RADAR INDICATED MODERATE TO HEAVY RAIN OVER THE
  COUNTY. THIS SHOULD CONTINUE INTO THE EARLY EVENING. ROAD CLOSURES
  WERE REPORTED EARLIER THIS AFTERNOON. THIS IS LIKELY ONGOING...AND
  WILL CONTINUE UNTIL THE RAIN TAPERS OFF. EXPECT RAINFALL RATES UP
  TO 3/4 INCH PER HOUR UNTIL 600 PM. AREAS OF HIGH WATER WILL
  CONTINUE...AND POSSIBLY WORSEN.

DO NOT CROSS ANY LOCATION WHERE WATER COVERS THE ROAD. THE DEPTH MAY
BE TOO GREAT FOR YOU TO CROSS SAFELY.

PLEASE REPORT FLOODING TO THE COUNTY SHERIFF...LOCAL POLICE...OR
DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.

$$

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 Nov 3, 2:55 PM CST, 1 hour earlier.

Area forecast discussion, Nov 3, 2:55 PM CST, 1 hour before

SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
255 PM CST FRI NOV 3 2000

WHERE WAS ALL THIS RAIN BACK IN AUGUST WHEN WE REALLY NEEDED IT???
ACTUALLY...WE WILL TAKE IT NOW. STILL RUNNING PRECIP DEFICITS ACRS
MUCH OF THE CWA. LOOKS LIKE WE WILL PUT A LTL DENT IN THAT THIS
WEEKEND.

FOR TNGT...ANOTHER IN A SERIES OF VORT MAXES SLATED TO CROSS THE
CWA. BEST VERT MOTION AND MOISTURE INDC NRN ZONES. ETA PROGS PW
VALUES NEAR 1.9" TNGT N AND W. CURR FFA ALIGNMENT LOOKS GOOD WITH
CAT POPS N/W...LKLY CTRL AND CHC COAST.

ETA DVLPS A SFC LOW ALG STNRY FNT AND EJECTS IT NE TMRW. SHD BE A
DECENT AREA OF SHRA/TSRA WITH BEST COVERAGE N. LKLY POPS N...HIGH
CHC CTRL AND CHC S. MOS/FAN POPS ACTUALLY GO UP SAT NIGHT DESPITE
LOWER PW'S AND LESS IMPRESSIVE DYNAMICS. WILL KEEP THE SAME POPS FOR
SAT VERSUS SAT NIGHT...ALTHOUGH I THINK BETTER COVERAGE AND
INTENSITY WILL BE DRG THE DAY.

STG SFC LOW OVR THE SRN PLAINS BY 60 HRS. IMPRESSIVE FNT TRAILS INTO
W TX. AVN IS QUITE A BIT FASTER THAN PREV THINKING...AND LAST NIGHTS
MRF. WOULD LIKE TO KEEP A MON/MON NIGHT FROPA GOING. NO GREAT DRYING
BEHIND THE FNT ACCORDING TO THE MRF. WILL KEEP THE COOLER CLAMMY
FCST GOING INTO MIDWEEK NEXT WEEK. A REAL CHAMBER OF COMMERCE FCST
COMING OUT TDA. ;-/

SEAS STILL 6 FT AT 44019...4 FT AT 42035. WILL HAVE AN SCEC TNGT FOR
AT LEAST THE OFFSHORE PTN OF THE CWF. FINAL DECISION AT ISSUANCE
TIME.

.KHGX...FLASH FLOOD WATCH TONIGHT ALONG/NORTH OF A LINE
        FROM COLUMBUS TO CONROE TO LIVINGSTON.

        SCEC COASTAL WATERS 0-60 NM.

46/41/35

PRELIMS...
CLL TT 066/077 066/075 064 +87
IAH TT 067/079 066/077 065 655
GLS EE 072/080 072/078 071 333

END

The office that day

Everything else NWS Houston/Galveston, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 3, 12:00 AM CST	Flash Flood Warning	HGX	Brazos, Grimes, Madison	4 hr
Nov 3, 1:05 AM CST	Flash Flood Warning	HGX	Walker	3 hr
Nov 3, 3:55 AM CST	Flash Flood Warning	HGX	Brazos, Grimes, Madison	2 hr
Nov 3, 6:15 AM CST	Flash Flood Warning	HGX	Brazos, Grimes, Madison	3 hr
Nov 3, 9:00 AM CST	Flash Flood Warning	HGX	Brazos, Grimes, Madison	3 hr
Nov 3, 1:25 PM CST	Flash Flood Warning	HGX	Brazos	3 hr

Nearby

Flash Flood Warnings in Texas, 2000 Every flash flood warning in 2000

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.