Alert archive / Mississippi / Flash Flood Warnings in 2005

Flash Flood Warning 2, NWS New Orleans, LA

April 1, 2005Hancock County, Mississippi

NWS New Orleans, LA issued this flash flood warning at Apr 1, 2005, 10:25 AM CST for Hancock 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 outline as issued.

The facts

Issued
Apr 1, 2005, 10:25 AM CST (16:25 UTC)
Expired
Apr 1, 2005, 1:30 PM CST
In force
3 hr
Issued by
NWS New Orleans, LA
Area
Counties, with a storm outline in the text

County Hancock County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 4.4 hours before the alert went out and 24 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, Slidell Radar S, LA at 12:00Z on 2005-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1645 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2005-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.19395878Sfc1 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
1645 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
514 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.5
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KLIX 011638
FFWLIX
MSC045-011930-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
1025 AM CST FRI APR 1 2005

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  HANCOCK COUNTY IN SOUTHERN MISSISSIPPI
  
* UNTIL 130 PM CST

* AT 1023 AM CST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A  
  DAM HAS BROKEN AROUND 530 AM CST THIS MORNING NEAR HIGHWAY 53 ON
  TWO PRIVATE PONDS. THIS IS IN THE NORTHEAST PORTION OF THE COUNTY.
  TRAVEL IS NOT ADVISED IN THIS AREA TODAY.   

  IN ADDITION...ANOTHER DAM ON WHITE CYPRESS LAKE...IN THE MIDDLE OF 
  HANCOCK COUNTY...IS BEING SEVERELY BREACHED. WATER IS OVER THE 
  ROADWAY BELOW THE DAM AT A DEPTH OF AT LEAST 5 FEET DEEP. PEOPLE 
  BELOW WHITE CYPRESS LAKE SHOULD CLOSELY MONITOR THIS SITUATION. 
  OFFICIALS HAVE BARRICADED THE AREA. DO NOT DRIVE AROUND THE 
  BARRICADES. HEED LOCAL OFFICIALS INSTRUCTIONS DURING THIS FLOOD
  SITUATION.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. 
MOVE TO HIGHER GROUND. REMEMBER TO TURN AROUND...DONT DROWN.

LAT...LON 3019 8955 3032 8933 3063 8936 3045 8963

$$

24

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 31, 6:57 PM CSTSevere Thunderstorm WarningLIXWalthall48 min
Mar 31, 7:40 PM CSTSevere Thunderstorm WarningLIXPearl River50 min
Mar 31, 8:28 PM CSTSevere Thunderstorm WarningLIXWilkinson47 min
Mar 31, 8:52 PM CSTSevere Thunderstorm WarningLIXPike23 min
Mar 31, 9:00 PM CSTSevere Thunderstorm WarningLIXAmite45 min
Mar 31, 9:16 PM CSTSevere Thunderstorm WarningLIXWilkinson29 min
Mar 31, 9:25 PM CSTSevere Thunderstorm WarningLIXJackson20 min
Mar 31, 9:38 PM CSTSevere Thunderstorm WarningLIXAmite52 min
Mar 31, 9:57 PM CSTSevere Thunderstorm WarningLIXPike63 min
Mar 31, 10:27 PM CSTSevere Thunderstorm WarningLIXAmite18 min
Mar 31, 10:43 PM CSTSevere Thunderstorm WarningLIXHarrison, Jackson32 min
Mar 31, 10:50 PM CSTSevere Thunderstorm WarningLIXWalthall40 min
Mar 31, 11:16 PM CSTSevere Thunderstorm WarningLIXJackson14 min
Mar 31, 11:54 PM CSTSevere Thunderstorm WarningLIXHarrison, Jackson51 min
Apr 1, 1:25 AM CSTSevere Thunderstorm WarningLIXPearl River74 min
Apr 1, 2:06 AM CSTSevere Thunderstorm WarningLIXPearl River39 min
Apr 1, 2:44 AM CSTSevere Thunderstorm WarningLIXPearl River46 min
Apr 1, 9:08 AM CSTFlash Flood WarningLIXJackson2 hr

Nearby

Flash Flood Warnings in Mississippi, 2005Every flash flood warning in 2005

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.