Alert archive / Mississippi / Flash Flood Warnings in 2015
Flash Flood Warning 21, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at May 21, 2015, 5:05 PM CDT for 4 counties in Mississippi. It was in force for 115 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 21, 2015, 5:05 PM CDT (22:05 UTC)
- Expired
- May 21, 2015, 7:00 PM CDT
- In force
- 115 min
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Hancock County, MS, Harrison County, MS, Jackson County, MS, Pearl River County, MS
The radar
The Mobile radar (KMOB), 76 km from the middle of the area, began a volume at 22:05 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 10.1 hours before the alert went out and 73 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
- 1839 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 619 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
787
WGUS54 KLIX 212205
FFWLIX
MSC045-047-059-109-220000-
/O.NEW.KLIX.FF.W.0021.150521T2205Z-150522T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
505 PM CDT THU MAY 21 2015
THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HARRISON COUNTY IN SOUTHEASTERN MISSISSIPPI...
SOUTHEASTERN PEARL RIVER COUNTY IN SOUTHERN MISSISSIPPI...
JACKSON COUNTY IN SOUTHERN MISSISSIPPI...
NORTHEASTERN HANCOCK COUNTY IN SOUTHERN MISSISSIPPI...
* UNTIL 700 PM CDT
* AT 503 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS CONTINUING
TO MOVE ACROSS PORTIONS OF COASTAL MISSISSIPPI FROM JUST EAST OF
PICAYUNE TO NEAR VANCLEAVE. UP TO THREE INCHES OF RAIN HAS
ALREADY FALLEN WITH ADDITIONAL HEAVY RAIN LIKELY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
GULFPORT...BILOXI...OCEAN SPRINGS...LONG BEACH...MOSS POINT...
DIAMONDHEAD...ST. MARTIN...ESCATAWPA...GAUTIER...D'IBERVILLE...GULF
HILLS...SAUCIER...WADE...LATIMER...GULF PARK ESTATES...LYMAN...
KILN...VANCLEAVE...HICKORY HILLS AND GULFPORT AIRPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3038 8854 3037 8879 3039 8879 3043 8885
3043 8893 3042 8901 3041 8887 3037 8884
3039 8894 3037 8909 3037 8933 3035 8960
3080 8959 3079 8934 3065 8934 3065 8924
3068 8924 3068 8889 3074 8888 3074 8853
$$1 follow-up statement
061
WGUS74 KLIX 212354
FFSLIX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
654 PM CDT THU MAY 21 2015
MSC045-047-059-109-220004-
/O.EXP.KLIX.FF.W.0021.000000T0000Z-150522T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
HARRISON MS-PEARL RIVER MS-JACKSON MS-HANCOCK MS-
654 PM CDT THU MAY 21 2015
...THE FLASH FLOOD WARNING FOR HARRISON...SOUTHEASTERN PEARL RIVER...
JACKSON AND NORTHEASTERN HANCOCK COUNTIES WILL EXPIRE AT 700 PM
CDT...
THE HEAVY RAIN HAS ENDED...AND FLOODING IS NO LONGER EXPECTED TO POSE
A THREAT.
LAT...LON 3038 8854 3037 8879 3039 8879 3043 8885
3043 8893 3042 8901 3041 8887 3037 8884
3039 8894 3037 8909 3037 8933 3035 8960
3080 8959 3079 8934 3065 8934 3065 8924
3068 8924 3068 8889 3074 8888 3074 8853
$$
MJHThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 11:47 PM CDT | Special Weather Statement | LIX | Wilkinson | 28 min |
| May 21, 1:04 PM CDT | Special Weather Statement | LIX | Amite | 26 min |
| May 21, 1:35 PM CDT | Special Weather Statement | LIX | Amite | 25 min |
| May 21, 1:49 PM CDT | Areal Flood Advisory | LIX | Amite, Wilkinson | 3 hr |
| May 21, 1:59 PM CDT | Special Weather Statement | LIX | Amite | 31 min |
| May 21, 2:00 PM CDT | Special Weather Statement | LIX | Wilkinson | 30 min |
| May 21, 2:08 PM CDT | Severe Thunderstorm Warning | LIX | Amite, Pike | 37 min |
| May 21, 2:40 PM CDT | Severe Thunderstorm Warning | LIX | Pike | 35 min |
| May 21, 3:10 PM CDT | Severe Thunderstorm Warning | LIX | Pike, Walthall | 50 min |
| May 21, 3:36 PM CDT | Severe Thunderstorm Warning | LIX | Pearl River | 24 min |
| May 21, 4:24 PM CDT | Special Weather Statement | LIX | Harrison | 36 min |
Nearby
Flash Flood Warnings in Mississippi, 2015Every flash flood warning in 2015
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; radar from the NEXRAD Level II archive.