Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 105, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Oct 27, 2021, 7:11 PM CDT for Stone County, Mississippi. 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
- Oct 27, 2021, 7:11 PM CDT (00:11 UTC)
- Expired
- Oct 27, 2021, 11:00 PM CDT
- In force
- 4 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 00:14 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.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 0.2 hours before the alert went out and 74 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
- 1392 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 520 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 216 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 1.5
- Supercell composite
- 8.0
The text
As transmitted.
857
WGUS54 KMOB 280011
FFWMOB
MSC131-280400-
/O.NEW.KMOB.FF.W.0105.211028T0011Z-211028T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
711 PM CDT Wed Oct 27 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Western Stone County in southeastern Mississippi...
* Until 1100 PM CDT.
* At 711 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 2 to 3 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...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, Ten Mile, Texas, Perry and Bond.
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 3091 8908 3068 8915 3068 8924 3065 8924
3065 8934 3091 8934
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR
$$
MM2 follow-up statements
678
WGUS74 KMOB 280116
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
816 PM CDT Wed Oct 27 2021
MSC131-280400-
/O.CON.KMOB.FF.W.0105.000000T0000Z-211028T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stone MS-
816 PM CDT Wed Oct 27 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM CDT THIS
EVENING FOR WESTERN STONE COUNTY...
At 816 PM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 3 and 6 inches of rain have
fallen. The expected rainfall rate is 1 to 2 inches in 1 hour.
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Wiggins, Perkinston, Ten Mile, Texas, Perry and Bond.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3091 8908 3068 8915 3068 8924 3065 8924
3065 8934 3091 8934
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR
$$
MM028
WGUS74 KMOB 280359
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
1059 PM CDT Wed Oct 27 2021
MSC131-280409-
/O.EXP.KMOB.FF.W.0105.000000T0000Z-211028T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stone MS-
1059 PM CDT Wed Oct 27 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 11 PM CDT THIS EVENING FOR
WESTERN STONE COUNTY...
The heavy rain has ended. Please continue to heed any additional
information from local officials.
LAT...LON 3091 8908 3068 8915 3068 8924 3065 8924
3065 8934 3091 8934
$$
MMThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 7:39 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene, Perry, Stone | 51 min |
| Oct 27, 7:57 PM CDT | Areal Flood Advisory | MOB | George, Greene, Perry, Stone | 3 hr |
| Oct 27, 8:26 PM CDT | Special Weather Statement | MOB | George | 49 min |
| Oct 27, 9:08 PM CDT | Flash Flood Warning | MOB | George, Stone | 4 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.