Alert archive / Louisiana / Flash Flood Warnings in 2001

Flash Flood Warning 39, NWS Shreveport, LA

December 13, 2001Natchitoches Parish, Louisiana

NWS Shreveport, LA issued this flash flood warning at Dec 13, 2001, 3:44 PM CST for Natchitoches Parish, Louisiana. 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 counties it named.

The facts

Issued
Dec 13, 2001, 3:44 PM CST (21:44 UTC)
Expired
Dec 13, 2001, 7:00 PM CST
In force
3 hr
Issued by
NWS Shreveport, LA
Area
Whole counties

County Natchitoches Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 9.7 hours before the alert went out and 104 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, Shreveport, LA at 12:00Z on 2001-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 12:00Z on 2001-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1205 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KSHV 132148
FFWSHV
LAC069-140100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
344 PM CST THU DEC 13 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN NATCHITOCHES PARISH IN NORTHWEST LOUISIANA

* UNTIL 700 PM CST

* AT 344 PM CST...THE SHREVEPORT WEATHER SERVICE DOPPLER RADAR
  INDICATED VERY HEAVY RAIN OVER EXTREME SOUTHEASTERN NATCHITOCHES   
  PARISH.

FLOODING HAS BEEN REPORTED IN CLOUTIERVILLE...WITH WATER REPORTED
TO BE IN THE SCHOOL.

STORMS WILL CONTINUE ACROSS THE SAME AREA FOR ANOTHER ONE TO TWO
HOURS...AND ANOTHER ONE TO TWO INCHES OF RAIN IS POSSIBLE...AND
WILL RESULT IN FLOODING CONTINUING. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD
WARNING FOR...
  NATCHITOCHES PARISH IN NORTHWEST LOUISIANA
UNTIL 700 PM CST.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 13, 11:45 AM CSTFlash Flood WarningSHVNatchitoches, Sabine4 hr
Dec 13, 12:00 PM CSTSevere Thunderstorm WarningSHVOuachita30 min
Dec 13, 12:51 PM CSTFlash Flood WarningSHVGrant, Winn4 hr
Dec 13, 2:28 PM CSTTornado WarningSHVNatchitoches32 min
Dec 13, 3:07 PM CSTTornado WarningSHVGrant53 min
Dec 13, 3:30 PM CSTSevere Thunderstorm WarningSHVLaSalle60 min

Nearby

Flash Flood Warnings in Louisiana, 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.