Alert archive / Mississippi / Flash Flood Warnings in 2016

Flash Flood Warning 13, NWS Mobile, AL

March 11, 2016Perry County, Stone County, Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 11, 2016, 10:29 AM CST for Perry 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
Mar 11, 2016, 10:29 AM CST (16:29 UTC)
Expired
Mar 11, 2016, 4:15 PM CST
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 88 km from the middle of the area, began a volume at 16:28 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, 4.5 hours before the alert went out and 93 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 2016-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1067 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 2016-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 320 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
1067 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
479 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
320 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
1.4
Supercell composite
10.4

Open this sounding in Storm Lab

The text

As transmitted.

004 
WGUS54 KMOB 111629
FFWMOB
MSC111-131-112215-
/O.NEW.KMOB.FF.W.0013.160311T1629Z-160311T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1029 AM CST FRI MAR 11 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PERRY COUNTY IN SOUTHEASTERN MISSISSIPPI...
  STONE COUNTY IN SOUTHEASTERN MISSISSIPPI...

* UNTIL 415 PM CST

* AT 1021 AM CST...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. ADDITIONAL FLASH FLOODING IS EXPECTED.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WIGGINS...RICHTON...BEAUMONT...NEW AUGUSTA...MCHENRY AND
  PERKINSTON. 

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF NEEDED MOVE TO HIGHER GROUND. ACT QUICKLY TO PROTECT YOUR LIFE.

IF YOU ENCOUNTER FLOODED ROADS...TURN AROUND...DON'T DROWN! MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3091 8934 3091 8914 3143 8915 3143 8885
      3091 8884 3091 8889 3068 8888 3068 8924
      3065 8925 3065 8934

$$
1 follow-up statement
305 
WGUS74 KMOB 112112
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
312 PM CST FRI MAR 11 2016

MSC111-131-112120-
/O.CAN.KMOB.FF.W.0013.000000T0000Z-160311T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERRY MS-STONE MS-
312 PM CST FRI MAR 11 2016

...THE FLASH FLOOD WARNING FOR PERRY AND STONE COUNTIES IS
CANCELLED...

...PERRY AND WAYNE COUNTIES ARE NOW UNDER AN AREAL FLOOD WARNING
UNTIL EARLY SATURDAY AFTERNOON...

FLOODING IN THESE COUNTIES IS NOW MORE OF A GENERAL INUNDATION TYPE
OF FLOODING...WHICH MEANS A MORE WIDESPREAD FLOODING WITH SLOWER
RISES. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES AND STAY
AWAY FROM SMALL CREEKS AND LOW LYING AREAS. PLEASE DO NOT ALSO
FORGET THAT MAJOR RIVERS ARE STILL RISING!

LAT...LON 3091 8934 3091 8914 3143 8915 3143 8885
      3091 8884 3091 8889 3068 8888 3068 8924
      3065 8925 3065 8934

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 8:19 PM CSTAreal Flood AdvisoryMOBGreene, Perry, Wayne3 hr
Mar 10, 8:39 PM CSTFlash Flood WarningMOBGreene, Perry, Wayne2 hr
Mar 10, 10:52 PM CSTAreal Flood WarningMOBGreene, Perry, Wayne9 hr
Mar 11, 2:14 AM CSTRiver Flood WarningMOBPerry6 days
Mar 11, 2:22 AM CSTRiver Flood WarningMOBGeorge, Greene, Perry13 days
Mar 11, 2:30 AM CSTRiver Flood WarningMOBGeorge, Greene, Wayne15 days
Mar 11, 2:40 AM CSTRiver Flood WarningMOBGeorge, Greene, Jackson13 days
Mar 11, 6:42 AM CSTSpecial Weather StatementMOBPerry, Stone63 min
Mar 11, 7:28 AM CSTFlash Flood WarningMOBPerry, Stone3 hr
Mar 11, 7:34 AM CSTAreal Flood WarningMOBGreene, Wayne6 hr
Mar 11, 7:36 AM CSTRiver Flood WarningMOBGreene, Wayne6 days
Mar 11, 8:01 AM CSTSpecial Weather StatementMOBGeorge44 min
Mar 11, 8:15 AM CSTSevere Thunderstorm WarningMOBGeorge, Greene30 min
Mar 11, 8:45 AM CSTSpecial Weather StatementMOBGreene60 min
Mar 11, 8:48 AM CSTFlash Flood WarningMOBGeorge3 hr
Mar 11, 9:15 AM CSTFlash Flood WarningMOBGreene, Wayne5 hr
Mar 11, 11:43 AM CSTFlash Flood WarningMOBGeorge5 hr
Mar 11, 2:14 PM CSTAreal Flood WarningMOBGeorge, Greene, Perry, Stone, Wayne24 hr

Nearby

Flash Flood Warnings in Mississippi, 2016Every flash flood warning in 2016

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.