Alert archive / Mississippi / Flash Flood Warnings in 2019

Flash Flood Warning 1, NWS Mobile, AL

January 23, 20195 counties in Mississippi; Washington County, Alabama

NWS Mobile, AL issued this flash flood warning at Jan 23, 2019, 11:57 AM CST for 5 counties in Mississippi; Washington County, Alabama. It was in force for 6 hr. 3 reports 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
Jan 23, 2019, 11:57 AM CST (17:57 UTC)
Expired
Jan 23, 2019, 6:00 PM CST
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Washington County, AL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 67 km from the middle of the area, began a volume at 17:59 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
Jan 23, 1:00 PM CSTFLASH FLOODMillry, ALSEVERAL STREETS FLOODING INCLUDING NATHAN JORDAN RD IN MILLRY. ALSO FLOODING AT MILLRY HIGH SCHOOL VIA SOCIAL MEDIA.
Jan 23, 4:00 PM CSTFLASH FLOOD1 Se Mclain, MSWATER ACROSS HIGHWAY 57 SOUTH OF MCLAIN. REPORT VIA SOCIAL MEDIA.
Jan 23, 4:30 PM CSTFLASH FLOOD3 S Neely, MSWATER OVER HIGHWAY 57 JUST NORTH OF NEELY RD. REPORT VIA EMERGENCY MANAGEMENT.

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, 6.0 hours before the alert went out and 148 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 2019-01-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 375 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 2019-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 239 square meters per square second.1939587897Sfc1 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
375 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
567 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
239 m²/s²
0-3 km storm-relative helicity
265 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

As transmitted.

877 
WGUS54 KMOB 231757
FFWMOB
ALC129-MSC039-041-111-131-153-240000-
/O.NEW.KMOB.FF.W.0001.190123T1757Z-190124T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
1157 AM CST WED JAN 23 2019

The National Weather Service in Mobile has issued a

* Flash Flood Warning for...
  Northwestern Washington County in southwestern Alabama...
  Western George County in southeastern Mississippi...
  Southeastern Perry County in southeastern Mississippi...
  Southeastern Wayne County in southeastern Mississippi...
  Greene County in southeastern Mississippi...
  Stone County in southeastern Mississippi...

* Until 600 PM CST Wednesday.

* At 1156 AM CST, Doppler radar and surface observations indicate 
  that 3 to 5 inches of rain has fallen over much of the warned 
  area. Additional showers and thunderstorms with moderate to heavy 
  rain will develop and move into the area over the next few hours, 
  resulting in the likelihood of flash flooding.

* Some locations that will experience flooding include...
  Wiggins, Chatom, Leakesville, Perkinston, McHenry, Millry, McLain,
  State Line, Buckatunna and Fruitdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3170 8846 3169 8809 3164 8809 3073 8873
      3073 8888 3068 8889 3067 8929

$$
1 follow-up statement
014 
WGUS74 KMOB 232056
FFSMOB

Flash Flood Statement
National Weather Service Mobile AL
256 PM CST WED JAN 23 2019

ALC129-MSC039-041-111-131-153-240000-
/O.CON.KMOB.FF.W.0001.000000T0000Z-190124T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Washington AL-George MS-Perry MS-Wayne MS-Greene MS-Stone MS-
256 PM CST WED JAN 23 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM CST FOR
NORTHWESTERN WASHINGTON...WESTERN GEORGE...SOUTHEASTERN PERRY...
SOUTHEASTERN WAYNE...GREENE AND STONE COUNTIES...

At 244 PM CST, Doppler radar and reports from emergency management 
indicated that a large swath of 4 to 7 inches of rain has fallen. 
There are reports of flash flooding in Millry, as well as on Nathan 
Jones Road in Washington County. While the heavy rain is shifting 
east, small creeks and streams are still rising and some additional 
flash flooding is possible over the next hour or two in the warned 
area.

Some locations that will experience flooding include...
Wiggins, Chatom, Leakesville, Perkinston, McHenry, Millry, McLain,
State Line, Buckatunna and Fruitdale.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3170 8846 3169 8809 3164 8809 3073 8873
      3073 8888 3068 8889 3067 8929

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 8:51 AM CSTRiver Flood WarningMOBGeorge, Greene, Wayne21 days
Jan 23, 10:21 AM CSTAreal Flood AdvisoryMOBGeorge, Greene, Perry, Stone3 hr
Jan 23, 10:29 AM CSTSpecial Weather StatementMOBGeorge31 min
Jan 23, 11:44 AM CSTAreal Flood AdvisoryMOBGreene, Wayne3 hr
Jan 23, 1:25 PM CSTAreal Flood AdvisoryMOBGreene, Perry, Wayne3 hr
Jan 23, 3:03 PM CSTRiver Flood WarningMOBGeorge, Greene, Jackson5 days
Jan 23, 3:07 PM CSTRiver Flood WarningMOBGeorge, Greene, Perry4 days
Jan 23, 4:30 PM CSTAreal Flood WarningMOBGeorge, Greene, Perry, Stone, Wayne24 hr
Jan 23, 2:43 AM CSTGale WarningMOB16 hr
Jan 23, 2:43 AM CSTSmall Craft AdvisoryMOB36 hr
Jan 23, 8:54 AM CSTRiver Flood WarningMOBEscambia49 hr
Jan 23, 12:14 PM CSTSpecial Marine WarningMOB36 min
Jan 23, 12:25 PM CSTSevere Thunderstorm WarningMOBClarke, Wilcox65 min
Jan 23, 12:48 PM CSTSpecial Marine WarningMOB42 min
Jan 23, 1:22 PM CSTAreal Flood AdvisoryMOBChoctaw, Clarke3 hr
Jan 23, 1:56 PM CSTFlash Flood WarningMOBChoctaw, Clarke6 hr
Jan 23, 2:36 PM CSTSpecial Weather StatementMOBWashington54 min
Jan 23, 3:33 PM CSTSpecial Marine WarningMOB87 min
Jan 23, 3:54 PM CSTAreal Flood AdvisoryMOBBaldwin, Mobile3 hr
Jan 23, 3:55 PM CSTSpecial Weather StatementMOBMobile35 min
Jan 23, 4:08 PM CSTSpecial Weather StatementMOBBaldwin67 min
Jan 23, 4:14 PM CSTSpecial Marine WarningMOB91 min
Jan 23, 4:56 PM CSTSpecial Marine WarningMOB94 min
Jan 23, 5:38 PM CSTSpecial Marine WarningMOB97 min
Jan 23, 5:39 PM CSTTornado WarningMOBCovington36 min

Nearby

Flash Flood Warnings in Mississippi, 2019Flash Flood Warnings in Alabama, 2019Every flash flood warning in 2019

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.