Alert archive / Mississippi / Flash Flood Warnings in 2022

Flash Flood Warning 29, NWS Mobile, AL

July 13, 2022Wayne County, Mississippi

NWS Mobile, AL issued this flash flood warning at Jul 13, 2022, 6:06 PM CDT for Wayne 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
Jul 13, 2022, 6:06 PM CDT (23:06 UTC)
Expired
Jul 13, 2022, 9:55 PM CDT
In force
4 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

County Wayne County, MS

The radar

The Mobile radar (KMOB), 125 km from the middle of the area, began a volume at 23:08 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

TimeReportWhereRemark
Jul 13, 6:15 PM CDTFLASH FLOODWaynesboro, MSWAYNE COUNTY EMA REPORTS FLOODING ON SEVERAL STREETS IN WAYNESBORO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 11.1 hours before the alert went out and 147 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, Jackson, MS at 12:00Z on 2022-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1563 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, Jackson, MS at 12:00Z on 2022-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 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
1563 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
933 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

574 
WGUS54 KMOB 132306
FFWMOB
MSC153-140515-
/O.NEW.KMOB.FF.W.0029.220713T2306Z-220714T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
606 PM CDT Wed Jul 13 2022

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Central Wayne County in southeastern Mississippi...

* Until 1215 AM CDT Thursday.

* At 606 PM CDT, emergency management reported thunderstorms 
  producing very heavy rainfall and flooding in the city of 
  Waynesboro. Rainfall amounts in excess of 2 inches may fall in a 
  short period of time with this storm. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management 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...
  Waynesboro, West King, Woodwards, Boice, Hiwannee, Whistler, 
  Winchester, Denham, Gretna and Eucutta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3186 8858 3173 8847 3162 8850 3158 8883
      3171 8889 3183 8888

FLASH FLOOD...OBSERVED

$$

21/CLL
2 follow-up statements
555 
WGUS74 KMOB 132359
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
659 PM CDT Wed Jul 13 2022

MSC153-140515-
/O.CON.KMOB.FF.W.0029.000000T0000Z-220714T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wayne MS-
659 PM CDT Wed Jul 13 2022

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 AM CDT THURSDAY 
FOR CENTRAL WAYNE COUNTY...

At 659 PM CDT, Doppler radar indicated that the thunderstorms 
producing torrential rainfall were gradually weakening and pushing 
into southern Wayne county. Wayne County Emergency Management 
officials reported flash flooding on several streets in the 
community of Waynesboro at 615 PM CDT. Excessive runoff from earlier 
torrential downpours will continue to result in flash flooding along 
some streets, creeks and streams, and other low lying areas. Never 
attempt to cross a flooded roadway.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Emergency management 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...
  Waynesboro, West King, Woodwards, Boice, Hiwannee, Whistler, 
  Winchester, Denham, Gretna and Eucutta.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3186 8858 3173 8847 3162 8850 3158 8883
      3171 8889 3183 8888

FLASH FLOOD...OBSERVED

$$

21/CLL
058 
WGUS74 KMOB 140255
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
955 PM CDT Wed Jul 13 2022

MSC153-140305-
/O.CAN.KMOB.FF.W.0029.000000T0000Z-220714T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wayne MS-
955 PM CDT Wed Jul 13 2022

...FLASH FLOOD WARNING IS CANCELLED FOR CENTRAL WAYNE COUNTY...

Wayne County officials have reported that earlier flooding has 
receded. The heavy rain has ended. Please continue to heed any 
additional information from local officials.

LAT...LON 3186 8858 3173 8847 3162 8850 3158 8883
      3171 8889 3183 8888

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 5:13 PM CDTSpecial Weather StatementMOBWayne47 min
Jul 13, 5:50 PM CDTSevere Thunderstorm WarningMOBWayne40 min
Jul 13, 6:26 PM CDTSpecial Weather StatementMOBWayne49 min

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.