Alert archive / Mississippi / Flash Flood Warnings in 2022

Flash Flood Warning 4, NWS Mobile, AL

February 3, 20224 counties in Mississippi

NWS Mobile, AL issued this flash flood warning at Feb 3, 2022, 4:03 PM CST for 4 counties in Mississippi. It was in force for 3 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: Feb 3, 2022, 4:03 PM CST (22:03 UTC)
Expired: Feb 3, 2022, 7:00 PM CST
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

Counties George County, MS, Greene County, MS, Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 66 km from the middle of the area, began a volume at 22:04 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
Feb 3, 5:00 PM CST	FLASH FLOOD	3 Ene Evanston, MS	GEORGE COUNTY EMA REPORTS NUMEROUS ROADS THROUGHOUT THE COUNTY FLOODED GENERALLY BETWEEN 4 AND 6 PM CST, ESPECIALLY IN AND NEAR THE COMMUNITY OF LUCEDALE.

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 12:00Z, 10.1 hours before the alert went out and 102 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 329 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 445 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 229 m²/s²
0-3 km storm-relative helicity: 323 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.7

Open this sounding in Storm Lab

The text

As transmitted.

436 
WGUS54 KMOB 032203
FFWMOB
MSC039-041-111-131-040100-
/O.NEW.KMOB.FF.W.0004.220203T2203Z-220204T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
403 PM CST Thu Feb 3 2022

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  George County in southeastern Mississippi...
  Southern Greene County in southeastern Mississippi...
  Southeastern Perry County in southeastern Mississippi...
  Stone County in southeastern Mississippi...

* Until 700 PM CST.

* At 403 PM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. 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...
  Lucedale, Leakesville, Perkinston, McHenry, McLain, Crossroads, 
  Avent, Merrill, Benndale, Bexley, Dale, Leaf, Deep Creek, 
  Progress, Evanston, Ramsey Springs, Hillman, Vaughn, Agricola and 
  Bradley.

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 3112 8884 3130 8845 3074 8841 3074 8888
      3068 8888 3068 8923 3065 8924 3065 8934

FLASH FLOOD...RADAR INDICATED

$$

JLH

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 3, 12:01 PM CST	Severe Thunderstorm Warning	MOB	Perry	44 min
Feb 3, 12:30 PM CST	Severe Thunderstorm Warning	MOB	Greene, Wayne	45 min
Feb 3, 12:50 PM CST	Areal Flood Advisory	MOB	Greene, Perry, Wayne	3 hr
Feb 3, 1:11 PM CST	Special Weather Statement	MOB	Wayne	49 min
Feb 3, 1:17 PM CST	Flash Flood Warning	MOB	Perry	3 hr
Feb 3, 1:46 PM CST	Special Weather Statement	MOB	Stone	44 min
Feb 3, 2:47 PM CST	Special Weather Statement	MOB	George, Greene	43 min
Feb 3, 2:51 PM CST	Flash Flood Warning	MOB	Greene, Wayne	3 hr
Feb 3, 3:00 PM CST	Areal Flood Advisory	MOB	George, Greene, Perry, Stone	3 hr
Feb 3, 3:00 PM CST	Severe Thunderstorm Warning	MOB	George, Greene, Perry, Stone	45 min

Nearby

Flash Flood Warnings in Mississippi, 2022 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.