Alert archive / Mississippi / Flash Flood Warnings in 2005
Flash Flood Warning 24, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Aug 29, 2005, 12:10 PM CDT for 4 counties in Mississippi; Saint Tammany Parish, Washington Parish, Louisiana. It was in force for 4 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
- Aug 29, 2005, 12:10 PM CDT (17:10 UTC)
- Expired
- Aug 29, 2005, 4:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS New Orleans, LA
- Area
- Counties, with a storm outline in the text
Counties Saint Tammany Parish, LA, Washington Parish, LA, Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 5.2 hours before the alert went out and 206 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
- 288 J/kg
- Mixed-layer CIN
- -26 J/kg
- Mixed-layer LCL
- 841 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KLIX 291712
FFWLIX
LAC103-117-MSC045-047-059-109-292115-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA
ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL
1210 PM CDT MON AUG 29 2005
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WASHINGTON PARISH IN SOUTHEAST LOUISIANA
ST. TAMMANY PARISH IN SOUTHEAST LOUISIANA
PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI
HANCOCK COUNTY IN SOUTHERN MISSISSIPPI
JACKSON COUNTY IN SOUTHERN MISSISSIPPI
HARRISON COUNTY IN SOUTHERN MISSISSIPPI
* UNTIL 415 PM CDT
* AT 1205 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR THE EYE OF
DANGEROUS HURRICANE KATRINA MOVING NORTH AT 16 MPH ACROSS PEARL
RIVER COUNTY MISSISSIPPI. HEAVY RAINS CONTINUE TO ROTATE AROUND THE
EYE OF KATRINA...WITH SIGNIFICANT FLOODING CONTINUING FOR MANY
AREAS. THIS CONTINUES TO BE A VERY LIFE THREATENING SITUATION.
THOSE SEEKING REFUGE IN ATTICS ARE STRONGLY URGED TO TAKE THE
NECESSARY TOOLS FOR SURVIVAL. FOR EXAMPLE...THOSE GOING INTO ATTICS
SHOULD TRY TO TAKE AN AXE OR HATCHET WITH THEM SO THEY CAN CUT THEIR
WAY ONTO THE ROOF TO AVOID DROWNING SHOULD FLOOD WATERS CONTINUE TO
RISE INTO THE ATTIC.
RESIDENTS LIVING IN FLOOD PRONE AREAS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. REMEMBER...IT ONLY
TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
LAT...LON 3019 8958 3037 8841 3076 8845 3098 8945
3099 9032 3041 9020
$$1 follow-up statement
000
WGUS74 KLIX 292041
FFSLIX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA
ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL
340 PM CDT MON AUG 29 2005
LAC103-117-MSC045-047-059-109-292115-
WASHINGTON LA-ST. TAMMANY LA-PEARL RIVER MS-HANCOCK MS-JACKSON MS-
HARRISON MS-
340 PM CDT MON AUG 29 2005
...A FLASH FLOOD WARNING CONTINUES UNTIL 415 PM CDT FOR HARRISON...
JACKSON...HANCOCK AND PEARL RIVER COUNTIES...AND ST. TAMMANY AND
WASHINGTON PARISHES...
AT 340 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A FEW LARGE BANDS OF SHOWERS TRAINING ACROSS THE WARNED
AREA. RADAR SHOWS RAINFALL RATES HAVE DIMINISHED OVER THE PAST
COUPLE OF HOURS AS DRIER AIR IS BEGINNING TO ENTRAIN AROUND THE
SOUTHERN FRINGES OF KATRINA.
NATIONAL WEATHER SERVICE RADAR ESTIMATES 6 TO 12 INCHES OF RAINFALL
HAVE FALLEN ACROSS THE WARNED AREA...AND AN ADDITIONAL 1 TO 2 INCHES
IS POSSIBLE OVER THE NEXT COUPLE OF HOURS. THEREFORE...THE FLASH
FLOOD WARNING WILL BE ALLOWED TO CONTINUE THROUGH 415 PM AS SOME
PONDING OF WATER ACROSS LOW LYING...FLOOD PRONE AREAS WILL BE SLOW
TO DRAIN OFF DUE TO SATURATED GROUNDS.
LAT...LON 3019 8958 3037 8841 3076 8845 3098 8945
3099 9032 3041 9020
$$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 New Orleans, LA wrote its last area forecast discussion before this flash flood warning went out at Aug 29, 5:06 AM CDT, 7 hours 4 minutes earlier.
Area forecast discussion, Aug 29, 5:06 AM CDT, 7 hours 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW ORLEANS LA
506 AM CDT MON AUG 29 2005
.DISCUSSION...
EXTREMELY DANGEROUS CATEGORY FOUR HURRICANE KATRINA WILL BE MAKING
INITIAL LANDFALL OVER LOWER PLAQUEMINES PARISH SHORTLY. THE
PROJECTED TRACK TAKES KATRINA NORTH TOWARDS THE LOWER PEARL RIVER
VALLEY NEAR THE LA/MS BORDER LATE THIS MORNING. HURRICANE WINDS
HAVE BEEN EXPANDING THE LAST COUPLE HOURS. IN ADDITION TO VERY
STRONG WINDS...A MASSIVE STORM SURGE IS OCCURRING ALONG WITH
EXTREMEMLY HEAVY RAINFALL AND FLASH FLOODING. WILL HAVE TO CUT THE
DISCUSSION SHORT TO GET PRODUCTS OUT BEFORE LOSING COMMUNICATIONS.
REFER TO THE OUR LATEST HURRICANE LOCAL STATEMENT...FLOOD
WATCH...AND INLAND HURRICANE/ TROPICAL STORM WARNING PRODUCTS.
NO OTHER SIGNIFICANT WEATHER SYSTEMS ARE EXPECTED TO FOLLOW
KATRINA...SO HOT AND DRIER WEATHER IS EXPECTED TUESDAY THROUGH
SUNDAY.
&&
.PRELIMINARY POINT TEMPS/POPS...
MCB 77 74 90 73 / 100 70 30 20
BTR 81 74 94 73 / 100 30 30 20
MSY 82 78 91 78 / 100 30 30 20
GPT 82 78 89 75 / 100 60 30 20
&&
.LIX WATCHES/WARNINGS/ADVISORIES...
LA...TORNADO WATCH UNTIL NOON MONDAY FOR LAZ038-LAZ039-LAZ040-LAZ058-
LAZ059-LAZ060-LAZ061-LAZ062-LAZ063-LAZ064-LAZ067-LAZ068-
LAZ069-LAZ070.
HURRICANE WARNING UNTIL 9 PM MONDAY FOR LAZ038-LAZ040-LAZ050-
LAZ056-LAZ057-LAZ058-LAZ059-LAZ060-LAZ061-LAZ062-LAZ063-
LAZ064-LAZ065-LAZ066-LAZ067-LAZ068-LAZ069-LAZ070.
GM...HURRICANE WARNING UNTIL 9 PM MONDAY FOR GMZ530-GMZ550-GMZ555-
GMZ570-GMZ575.
TORNADO WATCH UNTIL NOON MONDAY FOR GMZ530-GMZ550-GMZ555-GMZ575.
MS...TORNADO WATCH UNTIL NOON MONDAY FOR MSZ070-MSZ071-MSZ077-MSZ080-
MSZ081-MSZ082.
HURRICANE WARNING UNTIL 9 PM MONDAY FOR MSZ080-MSZ081-MSZ082.
GM...HURRICANE WARNING UNTIL 9 PM MONDAY FOR GMZ530-GMZ550-GMZ555-
GMZ570-GMZ575.
TORNADO WATCH UNTIL NOON MONDAY FOR GMZ530-GMZ550-GMZ555-GMZ575.
&&
22Hazardous weather outlook, Aug 29, 8:30 AM CDT, 3 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE NEW ORLEANS LA 830 AM CDT MON AUG 29 2005 LAZ034>040-046>050-056>070-MSZ068>071-077-080>082-291600- AMITE-ASCENSION-ASSUMPTION-EAST BATON ROUGE-EAST FELICIANA-HANCOCK- HARRISON-IBERVILLE-JACKSON-LIVINGSTON-LOWER JEFFERSON- LOWER LAFOURCHE-LOWER PLAQUEMINES-LOWER ST. BERNARD-LOWER TERREBONNE- ORLEANS-PEARL RIVER-PIKE-POINTE COUPEE-ST. CHARLES-ST. HELENA- ST. JAMES-ST. JOHN THE BAPTIST-ST. TAMMANY-TANGIPAHOA- UPPER JEFFERSON-UPPER LAFOURCHE-UPPER PLAQUEMINES-UPPER ST. BERNARD- UPPER TERREBONNE-WALTHALL-WASHINGTON-WEST BATON ROUGE-WEST FELICIANA- WILKINSON- 830 AM CDT MON AUG 29 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL AND SOUTHEAST LOUISIANA AND EXTREME SOUTHWEST...SOUTH CENTRAL AND COASTAL MISSISSIPPI. ...A HURRICANE WARNING IS IN EFFECT... ...AN INLAND HURRICANE/TROPICAL STORM WIND WARNING IS IN EFFECT... ...A FLASH FLOOD WATCH IS IN EFFECT... .DAY ONE...TODAY AND TONIGHT MAJOR HURRICANE KATRINA IS IMPACTING SOUTHEAST LOUISIANA AND SOUTH MISSISSIPPI THIS MORNING. FOR IMMEDIATE INFORMATION...REFER TO THE LATEST ADVISORIES...HURRICANE LOCAL ACTION STATEMENTS AND WARNINGS REGARDING EXTREMELY DANGEROUS HURRICANE KATRINA. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SEASONAL WEATHER WILL RETURN TO THE OUTLOOK AREA BEGINNING TUESDAY WITH A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... THE ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE AND TROPICAL WEATHER OPERATIONS...IS STRONGLY REQUESTED AT THIS TIME UNTIL HURRICANE KATRINA MOVES NORTH OF THE OUTLOOK AREA.
In the hours before
Special weather statement, Aug 29, 11:05 AM CDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NEW ORLEANS-BATON ROUGE LA ISSUED BY NATIONAL WEATHER SERVICE MOBILE AL 1105 AM CDT MON AUG 29 2005 MSZ077-080>082-300000- PEARL RIVER-HANCOCK-JACKSON-HARRISON- 1105 AM CDT MON AUG 29 2005 ...TORNADO WATCH IN EFFECT UNTIL 7 PM... THIS TORNADO WATCH INCLUDES... HANCOCK...HARRISON...JACKSON...AND PEARL RIVER COUNTIES. THE INTENSE EYEWALL AND ASSOCIATED SPIRAL BANDS FROM DANGEROUS HURRICANE KATRINA WILL MOVE NORTHWARD ACROSS THE AREA THROUGH AFTERNOON...WITH SOME OF THE STORMS CAPABLE OF PRODUCING ISOLATED TORNADOES. REMEMBER A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES IN AND CLOSE TO THE WATCH AREA. PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 3:09 AM CDT | Tornado Warning | LIX | Hancock | 36 min |
| Aug 29, 3:59 AM CDT | Tornado Warning | LIX | Hancock, Harrison | 46 min |
| Aug 29, 7:23 AM CDT | Tornado Warning | LIX | Hancock, Harrison | 2 hr |
| Aug 29, 7:54 AM CDT | Flash Flood Warning | LIX | Hancock, Harrison, Jackson, Pearl River, Pike, Walthall | 6 hr |
| Aug 29, 8:42 AM CDT | Tornado Warning | LIX | Pearl River | 63 min |
| Aug 29, 9:43 AM CDT | Tornado Warning | LIX | Hancock, Pearl River | 62 min |
| Aug 29, 9:50 AM CDT | Tornado Warning | LIX | Harrison | 55 min |
| Aug 29, 10:49 AM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River, Walthall | 56 min |
| Aug 29, 11:55 AM CDT | Tornado Warning | LIX | Pearl River, Walthall | 65 min |
| Aug 29, 12:58 PM CDT | Flash Flood Warning | LIX | Pike, Walthall | 4 hr |
| Aug 29, 4:20 PM CDT | Flash Flood Warning | LIX | Hancock, Harrison, Jackson, Pearl River | 4 hr |
| Aug 28, 10:14 PM CDT | Tornado Warning | LIX | Orleans, Saint Bernard | 57 min |
| Aug 28, 11:22 PM CDT | Tornado Warning | LIX | Plaquemines | 23 min |
| Aug 29, 4:04 AM CDT | Flash Flood Warning | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles and 1 more | 6 hr |
| Aug 29, 5:27 AM CDT | Tornado Warning | LIX | Plaquemines, Saint Bernard | 2 hr |
| Aug 29, 8:14 AM CDT | Flash Flood Warning | LIX | Orleans, Saint Bernard | 6 hr |
| Aug 29, 8:36 AM CDT | Tornado Warning | LIX | Jefferson, Lafourche, Orleans, Plaquemines, Saint Bernard, Saint Charles | 24 min |
| Aug 29, 11:28 AM CDT | Flash Flood Warning | LIX | Jefferson | 6 hr |
| Aug 29, 11:34 AM CDT | Flash Flood Warning | LIX | Saint Charles, Saint John the Baptist | 6 hr |
| Aug 29, 11:40 AM CDT | Flash Flood Warning | LIX | Orleans, Plaquemines, Saint Bernard | 6 hr |
Nearby
Flash Flood Warnings in Mississippi, 2005Flash Flood Warnings in Louisiana, 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.