Alert archive / Mississippi / Flash Flood Warnings in 2015

Flash Flood Warning 14, NWS Mobile, AL

May 25, 20154 counties in Mississippi

NWS Mobile, AL issued this flash flood warning at May 25, 2015, 5:54 AM CDT for 4 counties in 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
May 25, 2015, 5:54 AM CDT (10:54 UTC)
Expired
May 25, 2015, 11:45 AM CDT
In force
6 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), 67 km from the middle of the area, began a volume at 10:55 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 00:00Z, 10.9 hours before the alert went out and 99 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 00:00Z on 2015-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1726 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2015-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 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
1726 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
962 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.7
Supercell composite
3.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

241 
WGUS54 KMOB 251054
FFWMOB
MSC039-041-111-131-251645-
/O.NEW.KMOB.FF.W.0014.150525T1054Z-150525T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
554 AM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN GEORGE COUNTY IN SOUTHEASTERN MISSISSIPPI...
  SOUTHWESTERN GREENE COUNTY IN SOUTHEASTERN MISSISSIPPI...
  EASTERN STONE COUNTY IN SOUTHEASTERN MISSISSIPPI...
  SOUTHEASTERN PERRY COUNTY IN SOUTHEASTERN MISSISSIPPI...

* UNTIL 1145 AM CDT

* AT 551 AM CDT...VERY HEAVY RAINFALL WAS INDICATED OVER THE WARNED
  AREA AND RADAR ESTIMATES SHOW 2 TO 3 INCHES OF RAINFALL HAS
  OCCURRED OVER THE PAST HOUR.  THIS WILL LIKELY CAUSE FLASH FLOODING
  IN THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  RUBLE...               MERRILL...             BIG LEVEL...
  WHITES CROSSING...     AVENT...               BEATRICE...
  BENNDALE...            LEAF...                RAMSEY SPRINGS...
  DALE...                BENJOE...              DEEP CREEK...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. SEEK
HIGHER GROUND IMMEDIATELY. DO NOT DRIVE OR WALK INTO AREAS WHERE
WATER CROSSES A ROAD. TURN AROUND - DON'T DROWN!

RESIDENTS LIVING AND CAMPERS RECREATING ALONG SMALL CREEKS CAN EXPECT
RAPID RISES AND SUBSEQUENT FLOODING. SEEK HIGHER GROUND IMMEDIATELY.

NEVER TRY TO CROSS OR PLAY IN AN URBAN SPILLWAY OR FLOWING CREEK...
EVEN A SMALL ONE. URBAN FLASH FLOODING IS A MAJOR KILLER.

IF YOU ARE IN DANGER FROM THE FLOOD WATERS AND NEED RESCUE ASSISTANCE
CALL 911.  TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE CALL
(800) 284-9059.

&&

LAT...LON 3094 8906 3111 8865 3073 8878 3073 8888
      3068 8889 3068 8909

$$
1 follow-up statement
813 
WGUS74 KMOB 251235
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
735 AM CDT MON MAY 25 2015

MSC039-041-111-131-251244-
/O.CAN.KMOB.FF.W.0014.000000T0000Z-150525T1645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
GEORGE MS-GREENE MS-STONE MS-PERRY MS-
735 AM CDT MON MAY 25 2015

...THE FLASH FLOOD WARNING FOR WESTERN GEORGE...SOUTHWESTERN
GREENE...EASTERN STONE AND SOUTHEASTERN PERRY COUNTIES HAS BEEN
CANCELLED...

AT 734 AM CDT...THE HEAVY RAIN THAT PROMPTED THE WARNING FOR WESTERN 
GEORGE...SOUTHWESTERN GREENE...EASTERN STONE AND SOUTHEASTERN PERRY 
COUNTIES MOVED NORTHEAST OUT OF THE WARNED AREA THUS THE FLASH FLOOD 
WARNING HAS BEEN CANCELLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN DANGER FROM THE FLOOD WATERS AND NEED RESCUE ASSISTANCE
CALL 911.  TO REPORT FLOODING TO THE NATIONAL WEATHER SERVICE CALL
(800) 284-9059.

&&

LAT...LON 3094 8906 3111 8865 3073 8878 3073 8888
      3068 8889 3068 8909

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 2:14 AM CDTSevere Thunderstorm WarningMOBWayne46 min
May 25, 4:09 AM CDTSpecial Weather StatementMOBStone66 min
May 25, 5:31 AM CDTAreal Flood AdvisoryMOBGeorge, Greene, Perry, Stone, Wayne3 hr
May 25, 7:25 AM CDTFlash Flood WarningMOBGreene6 hr

Nearby

Flash Flood Warnings in Mississippi, 2015Every flash flood warning in 2015

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.