Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 36, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jun 22, 2021, 7:12 PM CDT for Stone County, Mississippi. It was in force for 4 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
- Jun 22, 2021, 7:12 PM CDT (00:12 UTC)
- Expired
- Jun 22, 2021, 10:50 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), 91 km from the middle of the area, began a volume at 00:12 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 |
|---|---|---|---|
| Jun 22, 7:55 PM CDT | FLASH FLOOD | 2 Nw Wlox Tv Station To, MS | LAW ENFORCEMENT REPORTS ROADS IMPASSABLE DUE TO FLASH FLOODING WITHIN THE CEDARWOOD SUBDIVISION. |
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, 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
- 2804 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 662 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- -56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
720
WGUS54 KMOB 230012
FFWMOB
MSC131-230615-
/O.NEW.KMOB.FF.W.0036.210623T0012Z-210623T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
712 PM CDT Tue Jun 22 2021
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
Stone County in southeastern Mississippi...
* Until 115 AM CDT Wednesday.
* At 712 PM CDT, Doppler radar indicated thunderstorms producing
torrential rain across the warned area. These storms will be
capable of producing 2 to 3 inches of rain in a short period of
time over already saturated soils. 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, Perry, Big Level, Whites
Crossing and Ramsey Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3087 8934 3086 8888 3068 8889 3068 8923
3068 8924 3065 8924 3065 8934
FLASH FLOOD...RADAR INDICATED
$$
21/CL2 follow-up statements
313
WGUS74 KMOB 230141
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
841 PM CDT Tue Jun 22 2021
MSC131-230615-
/O.CON.KMOB.FF.W.0036.000000T0000Z-210623T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stone MS-
841 PM CDT Tue Jun 22 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM CDT WEDNESDAY
FOR STONE COUNTY...
At 841 PM CDT, Showers and thunderstorms had come to an end across
the warned area. At 755 PM CDT, local law enforcement reported that
the road was impassable at Sunflower Road and Cedar Wood Drive near
Perkinston. Flash flooding due to excessive runoff from the earlier
torrential rainfall is ongoing even though heavy rains have ended.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Wiggins, Perkinston, McHenry, Ten Mile, Perry, Big Level, Whites
Crossing and Ramsey Springs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3087 8934 3086 8888 3068 8889 3068 8923
3068 8924 3065 8924 3065 8934
FLASH FLOOD...OBSERVED
$$
21/CL359
WGUS74 KMOB 230350
FFSMOB
Flash Flood Statement
National Weather Service Mobile AL
1050 PM CDT Tue Jun 22 2021
MSC131-230400-
/O.CAN.KMOB.FF.W.0036.000000T0000Z-210623T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Stone MS-
1050 PM CDT Tue Jun 22 2021
...FLASH FLOOD WARNING IS CANCELLED FOR STONE COUNTY...
The heavy rain has ended and flood waters are likely receding.
Please continue to heed remaining road closures.
LAT...LON 3087 8934 3086 8888 3068 8889 3068 8923
3068 8924 3065 8924 3065 8934
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 7:24 PM CDT | Areal Flood Advisory | MOB | George | 3 hr |
| Jun 23, 5:15 PM CDT | Special Weather Statement | MOB | Perry | 45 min |
| Jun 23, 6:15 PM CDT | Special Weather Statement | MOB | George | 45 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.