Alert archive / Texas / Flash Flood Warnings in 2001

Flash Flood Warning 1, NWS Lake Charles, LA

November 27, 2001Hardin County, Texas

NWS Lake Charles, LA issued this flash flood warning at Nov 27, 2001, 7:14 AM CST for Hardin 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
Nov 27, 2001, 7:14 AM CST (13:14 UTC)
Expired
Nov 27, 2001, 10:15 AM CST
In force
3 hr
Issued by
NWS Lake Charles, LA
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Hardin County, TX

The radar

The Lake Charles radar (KLCH), 110 km from the middle of the area, began a volume at 13:18 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 12:00Z, 1.2 hours before the alert went out and 111 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-pSkew-T log-p diagram, Lake Charles Mun, LA at 12:00Z on 2001-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1752 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lake Charles Mun, LA at 12:00Z on 2001-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 202 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1752 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
202 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
1.7
Supercell composite
9.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KLCH 271316
FFWLCH
TXC199-271615-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAKE CHARLES LA
714 AM CST TUE NOV 27 2001

THE NATIONAL WEATHER SERVICE IN LAKE CHARLES HAS ISSUED A

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

* UNTIL 1015 AM CST

* AT 712 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED
  THAT 4 TO 6 INCHES OF RAIN HAS FALLEN ACROSS SOUTHERN HARDIN 
  COUNTY  DURING THE PAST 3 HOURS HOURS. TWO OR MORE INCHES OF 
  ADDITIONAL RAINFALL IS EXPECTED IN THE WARNED AREA THROUGH 1015 
  AM.

DURING HEAVY RAINS...STAY AWAY FROM DRAINAGE DITCHES...BAYOUS AND
CREEKS. THEY ARE PRONE TO RAPID RISES AND MAY FLOOD THE AREA QUICKLY.

CALL 337-477-5285 TO REPORT FLOODING TO THE WEATHER SERVICE.

LAT...LON 3040 9415 3021 9415 3019 9432 3012 9438
          3014 9459 3035 9468
1 follow-up statement
000 
WGUS74 KLCH 271439
FFSLCH
TXC199-271615-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAKE CHARLES LA
839 AM CST TUE NOV 27 2001

...FLASH FLOOD WARNING CONTINUES FOR HARDIN COUNTY TEXAS UNTIL
1015 AM...

AT 835 AM...CONSIDERABLE FLOODING AND RAINS CONTINUES OVER SOUTHERN
HARDIN COUNTY. DOPPLER RADAR INDICATED A BAND OF 6 TO 8 INCHES OF
RAIN HAD FALLEN OVER THE SOUTHERN PORTION OF THE COUNTY. THE HARDIN
COUNTY SHERIFF REPORTED NUMEROUS ROADS COVERED WITH WATER RESULTING
IN SEVERAL ACCIDENTS. ADDITIONALLY...WATER WAS THREATENING HOMES IN
LUMBERTON AND SOUR LAKE.

RAIN CONTINUES TO FALL ACROSS THIS REGION AT A RATE OF 1 TO 2 INCHES
PER HOUR. THIS WILL RESULT IN ADDITIONAL FLOODING.

DURING HEAVY RAINS...STAY AWAY FROM DRAINAGE DITCHES...BAYOUS AND
CREEKS. THEY ARE PRONE TO RAPID RISES AND MAY FLOOD THE AREA
QUICKLY.

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 Lake Charles, LA wrote its last area forecast discussion before this flash flood warning went out at Nov 27, 3:38 AM CST, 3 hours 36 minutes earlier.

Area forecast discussion, Nov 27, 3:38 AM CST, 3 hours 36 minutes before
SOUTHWEST LOUISIANA AND SOUTHEAST TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
338 AM CST TUE NOV 27 2001

AT MID TO UPPER LEVELS...FLOW WILL CONTINUE SOUTHWESTERLY AHEAD OF
MAJOR TROUGH AXIS PROGGED TO MOVE INTO EASTERN TEXAS THURSDAY
MORNING. TROUGH AXIS WILL TRAVERSE THE AREA DURING THE DAY
THURSDAY. BEHIND THE TROUGH A MORE STABLE WESTERLY FLOW WILL BE OVER
THE AREA THURSDAY NIGHT. AHEAD OF THE TROUGH MINOR DISTURBANCES
WILL BE PROVIDING WEAK TO MODERATE INSTABILITY THROUGH WEDNESDAY
MORNING. INSTABILITY WILL INCREASE WITH THE APPROACH OF THE TROUGH
WEDNESDAY MORNING AND DIMINISH WITH THE PASSAGE OF THE TROUGH.

AT THE SURFACE...FRONT MOVING INTO SOUTHEAST TEXAS IS PROGGED TO
REACH ABOUT ALEXANDRIA TO LAKE CHARLES BY SUNSET TODAY THEN DRIFT
VERY SLOWLY EASTWARD AWAITING THE DEVELOPMENT OF A SURFACE LOW
PRESSURE CENTER NEAR THE SOUTHWEST LOUISIANA COAST WEDNESDAY
MORNING. FRONTAL SYSTEM SHOULD SHIFT EAST TO NEAR LAFAYETTE
WEDNESDAY. BY THURSDAY MORNING...FRONT SHOULD BE OVER SOUTHEASTERN
LOUISIANA. DRY AIR WILL MOVE IN BEHIND THE FRONT THURSDAY. THURSDAY
NIGHT WILL CONTINUE DRY AND COLDER.

CHANCES OF SHOWERS AND THUNDERSTORMS WILL CONTINUE HIGH UNTIL FRONTAL
TROUGH MOVES THROUGH THE AREA. THERE WILL BE A POSSIBILITY OF SEVERE
STORMS UNTIL UPPER TROUGH SHIFTS EAST OF THE AREA.

WILL ISSUE FLOOD WATCH FOR TODAY AND TONIGHT. MOVEMENT OF FRONTAL
TROUGH ACROSS THE AREA WILL BE VERY SLOW AND STORM STEERING WINDS
WILL PARALLEL FRONT ALLOWING STORMS TO REPEAT OVER THE SAME AREAS
TODAY AND TONIGHT.

.PRELIMINARY NUMBERS...
AEX 65/57/67/50/55/33 +9+820
BPT 68/63/67/53/57/35 +9+800
LCH 73/64/69/57/58/36 +9+800
LFT 75/66/74/60/60/37 99+830

.LCH...FLOOD WATCH NORTHWESTERN TWO THIRDS FOR TODAY AND TONIGHT.
.FFA..LAZ027>033-041-042-051-TXZ180>182-201-215-216.

The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 27, 12:15 PM CSTFlash Flood WarningLCHOrange3 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; radar from the NEXRAD Level II archive.