Alert archive / Mississippi / Flash Flood Warnings in 2001

Flash Flood Warning 39, NWS New Orleans, LA

June 11, 2001Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this flash flood warning at Jun 11, 2001, 3:30 AM CDT for Harrison County, Jackson County, Mississippi. 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: Jun 11, 2001, 3:30 AM CDT (08:30 UTC)
Expired: Jun 11, 2001, 6:30 AM CDT
In force: 3 hr
Issued by: NWS New Orleans, LA
Area: Whole counties

Counties Harrison County, MS, Jackson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.5 hours before the alert went out and 84 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: 877 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 567 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -72 m²/s²
0-3 km storm-relative helicity: -75 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 KLIX 110834
FFWNEW
MSC047-059-111130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
330 AM CDT MON JUN 11 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HARRISON COUNTY IN SOUTHERN MISSISSIPPI
  JACKSON COUNTY IN SOUTHERN MISSISSIPPI

* UNTIL 630 AM CDT

* AT 325 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THE 
LEADING EDGE OF AN AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN 
ALONG THE HANCOCK AND HARRISON COUNTY LINE TO THE WEST OF GULFPORT. 
THIS AREA OF THUNDERSTORMS WILL PRODUCE RAINFALL RATES OF 1 TO 3 
INCHES PER HOUR AS IT MOVES EAST ACROSS HARRISON AND JACKSON 
COUNTIES. SINCE THE GROUND IS ALREADY SATURATED FROM PRIOR 
RAINFALL...ANY ADDITIONAL RAIN WILL LIKELY RESULT IN FLASH FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER OF UNKNOWN 
DEPTH COVERS THE ROAD. VEHICLES CAUGHT IN RISING WATER SHOULD BE 
ABANDONED. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO 
THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 1:05 AM CDT	Severe Thunderstorm Warning	LIX	Hancock	55 min
Jun 11, 1:59 AM CDT	Severe Thunderstorm Warning	LIX	Jackson	61 min
Jun 11, 2:51 AM CDT	Flash Flood Warning	LIX	Hancock, Pearl River	3 hr
Jun 11, 4:20 AM CDT	Tornado Warning	LIX	Pearl River	30 min
Jun 11, 4:28 AM CDT	Tornado Warning	LIX	Harrison	32 min
Jun 11, 4:57 AM CDT	Severe Thunderstorm Warning	LIX	Jackson	63 min
Jun 11, 5:09 AM CDT	Tornado Warning	LIX	Harrison	36 min
Jun 11, 5:15 AM CDT	Severe Thunderstorm Warning	LIX	Hancock, Pearl River	60 min
Jun 11, 5:30 AM CDT	Tornado Warning	LIX	Pearl River	30 min
Jun 11, 5:37 AM CDT	Tornado Warning	LIX	Jackson	38 min
Jun 11, 6:09 AM CDT	Tornado Warning	LIX	Jackson	36 min
Jun 11, 6:25 AM CDT	Flash Flood Warning	LIX	Jackson	95 min
Jun 11, 6:44 AM CDT	Tornado Warning	LIX	Jackson	31 min
Jun 11, 9:06 AM CDT	Tornado Warning	LIX	Jackson	19 min

Nearby

Flash Flood Warnings in Mississippi, 2001 Every 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.