Alert archive / Mississippi / Flash Flood Warnings in 2011
Flash Flood Warning 3, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Mar 8, 2011, 4:27 PM CST for Amite County, Pike County, Walthall County, Mississippi; Saint Helena Parish, Tangipahoa Parish, Washington Parish, Louisiana. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 8, 2011, 4:27 PM CST (22:27 UTC)
- Expired
- Mar 8, 2011, 7:30 PM CST
- In force
- 3 hr
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Saint Helena Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Amite County, MS, Pike County, MS, Walthall County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 8, 4:30 PM CST | FLASH FLOOD | Tangipahoa, LA | APPROXIMATELY 100-150 HOMES FLOODED. |
| Mar 8, 4:56 PM CST | FLASH FLOOD | Kentwood, LA | MANY ROADS UNDER WATER THROUGHOUT KENTWOOD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.5 hours before the alert went out and 103 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 461 m²/s²
- 0-3 km storm-relative helicity
- 579 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
716
WGUS54 KLIX 082227
FFWLIX
LAC091-105-117-MSC005-113-147-090130-
/O.NEW.KLIX.FF.W.0003.110308T2227Z-110309T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
427 PM CST TUE MAR 8 2011
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN ST. HELENA PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF GREENSBURG...
NORTHERN TANGIPAHOA PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF AMITE...
NORTHWESTERN WASHINGTON PARISH IN SOUTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF FRANKLINTON...
SOUTHEASTERN AMITE COUNTY IN SOUTHERN MISSISSIPPI...
PIKE COUNTY IN SOUTHERN MISSISSIPPI...
WALTHALL COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 730 PM CST
* AT 420 PM CST...LOCAL EMERGENCY MANAGERS INDICATED FLASH FLOODING
FROM A THUNDERSTORM NEAR GREENSBURG...MOVING NORTHEAST AT 30 MPH.
THIS STORM....ALONG WITH MULTIPLE CLUSTERS SURROUNDING THIS AREA...
ARE PRODUCING RAINFALL RATES OVER 2 INCHES PER HOURS WHICH WILL
LIKELY TO FLASH FLOODING.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
EASLEYVILLE...ROSELAND...GILLSBERG...KENTWOOD...WILMER...OSYKA...
MAGNOLIA...MOUNT HERMAN...TYLERTOWN...SALEM AND DEXTER
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.
&&
LAT...LON 3134 9003 3125 9003 3119 9002 3118 9000
3115 9000 3114 8994 3109 8991 3109 8988
3093 8980 3071 9027 3070 9059 3076 9075
3094 9075 3123 9043 3136 9016
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 8, 9:41 AM CST | River Flood Warning | LIX | Hancock, Pearl River | 18 days |
| Mar 8, 9:48 AM CST | River Flood Warning | LIX | Hancock, Pearl River | 19 days |
| Mar 8, 2:56 PM CST | Tornado Warning | LIX | Pike | 34 min |
| Mar 8, 4:37 PM CST | Tornado Warning | LIX | Walthall | 19 min |
| Mar 8, 4:49 PM CST | Severe Thunderstorm Warning | LIX | Pearl River | 56 min |
| Mar 8, 5:28 PM CST | Tornado Warning | LIX | Pearl River | 32 min |
| Mar 8, 10:00 AM CST | River Flood Warning | LIX | Tangipahoa | 5 days |
| Mar 8, 1:02 PM CST | Tornado Warning | LIX | East Baton Rouge, East Feliciana, Iberville, Pointe Coupee, West Baton Rouge, West Feliciana | 43 min |
| Mar 8, 4:00 PM CST | Severe Thunderstorm Warning | LIX | Saint Tammany, Tangipahoa, Washington | 45 min |
Nearby
Flash Flood Warnings in Mississippi, 2011Flash Flood Warnings in Louisiana, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.