Alert archive / Mississippi / Flash Flood Warnings in 2016

Flash Flood Warning 6, NWS Mobile, AL

March 10, 2016Greene County, Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 10, 2016, 8:39 PM CST for Greene County, Perry County, Wayne County, Mississippi. It was in force for 2 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 10, 2016, 8:39 PM CST (02:39 UTC)
Expired
Mar 10, 2016, 10:45 PM CST
In force
2 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 02:40 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, 2.7 hours before the alert went out and 169 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 2016-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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 00:00Z on 2016-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 463 square meters per square second.19395878Sfc1 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
687 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
463 m²/s²
0-3 km storm-relative helicity
470 m²/s²
Significant tornado parameter
1.6
Supercell composite
14.9

Open this sounding in Storm Lab

The text

As transmitted.

370 
WGUS54 KMOB 110239
FFWMOB
MSC041-111-153-110445-
/O.NEW.KMOB.FF.W.0006.160311T0239Z-160311T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
839 PM CST THU MAR 10 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WAYNE COUNTY IN SOUTHEASTERN MISSISSIPPI...
  NORTHWESTERN GREENE COUNTY IN SOUTHEASTERN MISSISSIPPI...
  NORTHERN PERRY COUNTY IN SOUTHEASTERN MISSISSIPPI...

* UNTIL 1045 PM CST
    
* AT 837 PM CST...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS
  PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES
  OF RAIN HAVE ALREADY FALLEN ACROSS PORTIONS OF THE WARNED AREA.
  FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  WAYNESBORO...RICHTON...NEW AUGUSTA AND CLARA. 

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW! ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3143 8915 3143 8894 3182 8894 3185 8865
      3189 8849 3188 8847 3164 8846 3116 8881
      3121 8915

$$

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, 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, 10:29 AM CSTFlash Flood WarningMOBPerry, Stone6 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.