Alert archive / Mississippi / Flash Flood Warnings in 2022

Flash Flood Warning 41, NWS Mobile, AL

August 24, 2022George County, Stone County, Mississippi

NWS Mobile, AL issued this flash flood warning at Aug 24, 2022, 1:00 PM CDT for George County, Stone County, Mississippi. It was in force for 6 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
Aug 24, 2022, 1:00 PM CDT (18:00 UTC)
Expired
Aug 24, 2022, 6:50 PM CDT
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties George County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 57 km from the middle of the area, began a volume at 18:02 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, 6.0 hours before the alert went out and 101 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.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 2022-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1747 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2022-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1747 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

102 
WGUS54 KMOB 241800
FFWMOB
MSC039-131-250000-
/O.NEW.KMOB.FF.W.0041.220824T1800Z-220825T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
100 PM CDT Wed Aug 24 2022

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Southwestern George County in southeastern Mississippi...
  Southeastern Stone County in southeastern Mississippi...

* Until 700 PM CDT.

* At 100 PM CDT, Heavy showers and thunderstorms continue to 
  redevelop across parts of southeastern Stone and southwestern 
  George Counties for the next few hours producing torrential 
  rainfall rates. Between 2 and 5 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...
  Dale, Benndale, Crossroads and Ramsey Springs.

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 3068 8898 3090 8889 3091 8861 3074 8860
      3074 8888 3068 8888

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...2-3 INCHES IN 1 HOUR

$$

MM
1 follow-up statement
426 
WGUS74 KMOB 242350
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
650 PM CDT Wed Aug 24 2022

MSC039-131-250000-
/O.CAN.KMOB.FF.W.0041.000000T0000Z-220825T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
George MS-Stone MS-
650 PM CDT Wed Aug 24 2022

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHWESTERN GEORGE AND 
SOUTHEASTERN STONE COUNTIES...

Flood waters have receded. The heavy rain has ended. Please continue 
to heed any additional information from local officials.

A Flood Watch remains in effect until 700 PM CDT Thursday for 
portions of Alabama, northwest Florida and southeast Mississippi.

LAT...LON 3068 8898 3090 8889 3091 8861 3074 8860
      3074 8888 3068 8888

$$

Black

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 23, 8:02 PM CDTAreal Flood AdvisoryMOBPerry88 min
Aug 23, 9:03 PM CDTAreal Flood AdvisoryMOBGreene40 min
Aug 23, 11:39 PM CDTRiver Flood WarningMOBGeorge, Greene, Perry9 days
Aug 24, 2:50 AM CDTFlood WatchMOBGeorge, Greene, Perry, Stone, Wayne40 hr
Aug 24, 10:03 AM CDTRiver Flood WarningMOBGeorge, Greene, Wayne10 days
Aug 24, 10:09 AM CDTRiver Flood WarningMOBGeorge, Greene, Jackson21 days
Aug 24, 11:59 AM CDTAreal Flood AdvisoryMOBWayne3 hr
Aug 24, 12:15 PM CDTAreal Flood AdvisoryMOBGeorge, Stone3 hr
Aug 24, 1:26 PM CDTAreal Flood AdvisoryMOBGreene, Perry, Wayne3 hr
Aug 24, 1:47 PM CDTFlash Flood WarningMOBGreene, Perry, Wayne5 hr
Aug 24, 2:04 PM CDTFlash Flood WarningMOBStone5 hr
Aug 24, 2:24 PM CDTAreal Flood AdvisoryMOBGeorge3 hr

Nearby

Flash Flood Warnings in Mississippi, 2022Every flash flood warning in 2022

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.