Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 104, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Aug 30, 2021, 4:11 AM CDT for Harrison County, Jackson County, Mississippi. It was in force for 8 hr. 1 report 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
- Aug 30, 2021, 4:11 AM CDT (09:11 UTC)
- Expired
- Aug 30, 2021, 12:15 PM CDT
- In force
- 8 hr
- Issued by
- NWS New Orleans, LA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Harrison County, MS, Jackson County, MS
The radar
The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 09:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 30, 12:00 PM CDT | FLASH FLOOD | Moss Point, MS | NUMEROUS WATER RESCUES REPORTED IN EASTERN JACKSON COUNTY. ESTIMATED 300 HOMES ARE AFFECTED BY FLOODING AND 150 ROAD CLOSURES. |
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 00:00Z, 9.2 hours before the alert went out and 104 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
- 25 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
018
WGUS54 KLIX 300911
FFWLIX
MSC047-059-301415-
/O.NEW.KLIX.FF.W.0104.210830T0911Z-210830T1415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
Issued by National Weather Service Lake Charles LA
411 AM CDT Mon Aug 30 2021
The National Weather Service in New Orleans has issued a
* Flash Flood Warning for...
East Central Harrison County in southern Mississippi...
Jackson County in southern Mississippi...
* Until 915 AM CDT.
* At 411 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 3 and 6 inches of rain
have fallen. Additional rainfall amounts of 2 to 5 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Biloxi, Ocean Springs, Moss Point, Escatawpa, St. Martin, Gautier,
D'iberville, Vancleave, Hickory Hills, Wade, Helena, Big Point,
Hurley, Gulf Park Estates, Gulf Hills and Latimer.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3074 8888 3074 8841 3039 8839 3038 8841
3035 8839 3036 8844 3032 8848 3032 8850
3035 8851 3035 8858 3037 8859 3036 8860
3034 8873 3043 8885 3041 8888 3036 8882
3039 8886 3039 8889
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
858
WGUS54 KLIX 301341
FFWLIX
MSC047-059-301715-
/O.EXT.KLIX.FF.W.0104.000000T0000Z-210830T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
Issued by National Weather Service Lake Charles LA
841 AM CDT Mon Aug 30 2021
The National Weather Service in New Orleans has extended the
* Flash Flood Warning for...
East Central Harrison County in southern Mississippi...
Jackson County in southern Mississippi...
* Until 1215 PM CDT.
* At 841 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 5 and 9 inches of rain
have fallen. Additional rainfall amounts of 2 to 5 inches are
possible in the warned area. Flash flooding is already occurring.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Biloxi, Ocean Springs, Moss Point, Escatawpa, St. Martin, Gautier,
D'iberville, Vancleave, Hickory Hills, Wade, Helena, Big Point,
Hurley, Gulf Park Estates, Gulf Hills and Latimer.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3074 8888 3074 8841 3039 8839 3038 8841
3035 8839 3036 8844 3032 8848 3032 8850
3035 8851 3035 8858 3037 8859 3036 8860
3034 8873 3043 8885 3041 8888 3036 8882
3039 8886 3039 8889
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$The office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 8:22 PM CDT | Tornado Warning | LIX | Hancock, Pearl River | 38 min |
| Aug 29, 9:04 PM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 26 min |
| Aug 29, 9:05 PM CDT | River Flood Warning | LIX | Hancock, Pearl River | 12 days |
| Aug 29, 9:05 PM CDT | River Flood Warning | LIX | Pike, Walthall | 38 hr |
| Aug 29, 9:05 PM CDT | River Flood Warning | LIX | Hancock, Pearl River | 11 days |
| Aug 29, 9:06 PM CDT | River Flood Warning | LIX | Jackson | 9 days |
| Aug 29, 9:32 PM CDT | Tornado Warning | LIX | Hancock, Pearl River | 13 min |
| Aug 29, 9:36 PM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 24 min |
| Aug 29, 10:01 PM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 14 min |
| Aug 29, 10:34 PM CDT | Tornado Warning | LIX | Hancock, Harrison, Pearl River | 41 min |
| Aug 29, 11:45 PM CDT | Tornado Warning | LIX | Hancock, Harrison | 31 min |
| Aug 30, 12:41 AM CDT | Tornado Warning | LIX | Harrison, Jackson | 49 min |
| Aug 30, 2:39 AM CDT | Flash Flood Warning | LIX | Hancock, Harrison, Jackson, Pearl River | 9 hr |
| Aug 30, 2:47 AM CDT | Tornado Warning | LIX | Harrison, Jackson | 47 min |
| Aug 30, 2:55 AM CDT | Flash Flood Warning | LIX | Amite, Pike, Walthall | 5 hr |
| Aug 30, 2:55 AM CDT | Tornado Warning | LIX | Jackson | 65 min |
| Aug 30, 3:55 AM CDT | Flash Flood Warning | LIX | Amite, Pike, Walthall | 5 hr |
| Aug 30, 5:43 AM CDT | Flash Flood Warning | LIX | Pearl River | 5 hr |
| Aug 30, 7:28 AM CDT | Tornado Warning | LIX | Jackson | 22 min |
| Aug 30, 7:37 AM CDT | Tornado Warning | LIX | Harrison | 23 min |
| Aug 30, 8:02 AM CDT | Tornado Warning | LIX | Harrison, Jackson | 28 min |
| Aug 30, 9:30 AM CDT | Tornado Warning | LIX | Jackson | 60 min |
| Aug 30, 10:53 AM CDT | Areal Flood Warning | LIX | Hancock, Pearl River | 35 hr |
| Aug 30, 11:04 AM CDT | Areal Flood Warning | LIX | Pearl River, Pike, Walthall | 35 hr |
| Aug 30, 11:17 AM CDT | Tornado Warning | LIX | Jackson | 28 min |
| Aug 30, 11:34 AM CDT | Areal Flood Warning | LIX | Hancock, Harrison, Jackson, Pearl River | 34 hr |
| Aug 30, 12:33 PM CDT | Flash Flood Warning | LIX | Harrison, Jackson | 3 hr |
| Aug 30, 2:57 PM CDT | Heat Advisory | LIX | Pearl River | 26 hr |
| Aug 30, 3:51 PM CDT | Areal Flood Warning | LIX | Harrison, Jackson | 30 hr |
Nearby
Flash Flood Warnings in Mississippi, 2021Every flash flood warning in 2021
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; radar from the NEXRAD Level II archive.