Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 69, NWS New Orleans, LA
NWS New Orleans, LA issued this flash flood warning at Jul 6, 2021, 5:13 AM CDT for Harrison County, Jackson County, Mississippi. It was in force for 5 hr. 4 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
- Jul 6, 2021, 5:13 AM CDT (10:13 UTC)
- Expired
- Jul 6, 2021, 10:00 AM CDT
- In force
- 5 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), 69 km from the middle of the area, began a volume at 10:15 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 |
|---|---|---|---|
| Jul 6, 5:51 AM CDT | FLASH FLOOD | 1 Nw Saint Martin, MS | WATER ENTERING BUILDINGS. |
| Jul 6, 6:04 AM CDT | FLOOD | 3 Nw Biloxi, MS | NUMEROUS STREETS IMPASSIBLE AND CLOSED, SOME HOMES FLOODED. |
| Jul 6, 6:27 AM CDT | FLASH FLOOD | 5 Nne Long Beach, MS | FLOODING ON I-10 BETWEEN CANAL RD EXIT 31 AND MS 605 / LORRAINE COWAN RD EXIT 38 IN HARRISON COUNTY IN BOTH DIRECTIONS. |
| Jul 6, 6:40 AM CDT | FLASH FLOOD | 4 N Gulfport, MS | FLOODING HAS REACHED INSIDE THE GARAGE AND IS ENCROACHING ON HOUSES. |
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, 10.2 hours before the alert went out and 80 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
- 1727 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 870 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
868
WGUS54 KLIX 061013
FFWLIX
MSC047-059-061300-
/O.NEW.KLIX.FF.W.0069.210706T1013Z-210706T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
513 AM CDT Tue Jul 6 2021
The National Weather Service in New Orleans has issued a
* Flash Flood Warning for...
Central Harrison County in southern Mississippi...
Southwestern Jackson County in southern Mississippi...
* Until 800 AM CDT.
* At 513 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 3 inches of rain
have fallen. The expected rainfall rate is 2 to 3 inches in 1
hour. Additional rainfall amounts of 3 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...
Gulfport, Biloxi, Ocean Springs, Long Beach, St. Martin,
D'iberville, Latimer, Gulf Hills, Gulf Park Estates, Lyman,
Vancleave and Gulfport Airport.
This includes the following Interstates...
Interstate 110 in Mississippi near mile marker 1...and
between mile markers 3 and 4.
Interstate 10 in Mississippi between mile markers 30 and 58.
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 3037 8907 3038 8917 3053 8918 3056 8871
3035 8869 3035 8875 3038 8879 3038 8878
3038 8877 3041 8884 3042 8885 3042 8883
3043 8885 3043 8899 3042 8901 3041 8886
3036 8882 3039 8886
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR
$$
TE2 follow-up statements
114
WGUS74 KLIX 061048
FFSLIX
Flash Flood Statement
National Weather Service New Orleans LA
548 AM CDT Tue Jul 6 2021
MSC047-059-061300-
/O.CON.KLIX.FF.W.0069.000000T0000Z-210706T1300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Harrison MS-Jackson MS-
548 AM CDT Tue Jul 6 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING
FOR CENTRAL HARRISON AND SOUTHWESTERN JACKSON COUNTIES...
At 548 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 2 and 5 inches of rain have
fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour.
Additional rainfall amounts of 2 to 4 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Gulfport, Biloxi, Ocean Springs, Long Beach, St. Martin,
D'iberville, Latimer, Gulf Hills, Gulf Park Estates, Lyman,
Vancleave and Gulfport Airport.
This includes the following Interstates...
Interstate 110 in Mississippi near mile marker 1...and
between mile markers 3 and 4.
Interstate 10 in Mississippi between mile markers 30 and 58.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3037 8907 3038 8917 3053 8918 3056 8871
3035 8869 3035 8875 3038 8879 3038 8878
3038 8877 3041 8884 3042 8885 3042 8883
3043 8885 3043 8899 3042 8901 3041 8886
3036 8882 3039 8886
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1.5-2.5 INCHES IN 1 HOUR
$$
TE349
WGUS54 KLIX 061237
FFWLIX
MSC047-059-061500-
/O.EXT.KLIX.FF.W.0069.000000T0000Z-210706T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service New Orleans LA
737 AM CDT Tue Jul 6 2021
The National Weather Service in New Orleans has extended the
* Flash Flood Warning for...
Central Harrison County in southern Mississippi...
Southwestern Jackson County in southern Mississippi...
* Until 1000 AM CDT.
* At 737 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 4 and 6 inches of rain
have fallen. The expected rainfall rate is 1 to 2 inches in 1
hour. Additional rainfall amounts of 1 to 3 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...
Gulfport, Biloxi, Ocean Springs, Long Beach, St. Martin,
D'iberville, Latimer, Gulf Hills, Gulf Park Estates, Lyman,
Vancleave and Gulfport Airport.
This includes the following Interstates...
Interstate 110 in Mississippi near mile marker 1...and
between mile markers 3 and 4.
Interstate 10 in Mississippi between mile markers 30 and 58.
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 3037 8907 3038 8917 3053 8918 3056 8871
3035 8869 3035 8875 3038 8879 3038 8878
3038 8877 3041 8884 3042 8885 3042 8883
3043 8885 3043 8899 3042 8901 3041 8886
3036 8882 3039 8886
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
TEThe office that day
Everything else NWS New Orleans, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 4:55 AM CDT | Areal Flood Advisory | LIX | Harrison, Jackson | 18 min |
| Jul 6, 5:39 AM CDT | Areal Flood Advisory | LIX | Jackson | 3 hr |
| Jul 6, 6:52 AM CDT | Areal Flood Advisory | LIX | Harrison | 113 min |
| Jul 6, 7:07 AM CDT | Areal Flood Advisory | LIX | Jackson | 113 min |
| Jul 6, 11:23 AM CDT | Areal Flood Advisory | LIX | Jackson | 3 hr |
| Jul 6, 12:45 PM CDT | Special Weather Statement | LIX | Harrison | 30 min |
| Jul 6, 1:09 PM CDT | Areal Flood Advisory | LIX | Hancock, Harrison, Pearl River | 97 min |
| Jul 6, 1:30 PM CDT | Special Weather Statement | LIX | Hancock | 30 min |
| Jul 6, 1:58 PM CDT | Special Weather Statement | LIX | Hancock | 32 min |
| Jul 6, 3:25 PM CDT | Special Weather Statement | LIX | Wilkinson | 35 min |
| Jul 6, 3:31 PM CDT | Special Weather Statement | LIX | Pike | 29 min |
| Jul 6, 4:02 PM CDT | Special Weather Statement | LIX | Wilkinson | 28 min |
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.