Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 41, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 7, 2021, 11:45 AM CDT for Stone County, Mississippi. It was in force for 3 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
- Jul 7, 2021, 11:45 AM CDT (16:45 UTC)
- Expired
- Jul 7, 2021, 3:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Stone County, MS
The radar
The Mobile radar (KMOB), 93 km from the middle of the area, began a volume at 16:48 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, 4.8 hours before the alert went out and 69 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
- 1224 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 628 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
763
WGUS54 KMOB 071645
FFWMOB
MSC131-072245-
/O.NEW.KMOB.FF.W.0041.210707T1645Z-210707T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
1145 AM CDT Wed Jul 7 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Western Stone County in southeastern Mississippi...
* Until 545 PM CDT.
* At 1145 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 1 to 2 inches in 1
hour. Additional rainfall amounts of 1 to 3 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...
Wiggins, Perkinston, McHenry, Ten Mile and Perry.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3065 8924 3065 8928 3070 8928 3072 8927
3089 8920 3086 8908 3068 8912 3068 8913
3068 8914 3068 8923 3068 8924 3067 8924
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
Black1 follow-up statement
431
WGUS74 KMOB 072000
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
300 PM CDT Wed Jul 7 2021
MSC131-072010-
/O.CAN.KMOB.FF.W.0041.000000T0000Z-210707T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stone MS-
300 PM CDT Wed Jul 7 2021
...FLASH FLOOD WARNING IS CANCELLED FOR WESTERN STONE COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3065 8924 3065 8928 3070 8928 3072 8927
3089 8920 3086 8908 3068 8912 3068 8913
3068 8914 3068 8923 3068 8924 3067 8924
$$
BlackThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 12:53 PM CDT | Areal Flood Advisory | MOB | George | 3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.