Alert archive / Mississippi / Flash Flood Warnings in 2014

Flash Flood Warning 35, NWS Mobile, AL

May 28, 2014George County, Perry County, Stone County, Mississippi

NWS Mobile, AL issued this flash flood warning at May 28, 2014, 2:48 PM CDT for George County, Perry County, Stone County, Mississippi. It was in force for 3 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 28, 2014, 2:48 PM CDT (19:48 UTC)
Expired: May 28, 2014, 5:45 PM CDT
In force: 3 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

Counties George County, MS, Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 19:51 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, 7.8 hours before the alert went out and 89 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2001 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 657 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

112 
WGUS54 KMOB 281948
FFWMOB
MSC039-111-131-282245-
/O.NEW.KMOB.FF.W.0035.140528T1948Z-140528T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
248 PM CDT WED MAY 28 2014

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
  SOUTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  STONE COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 545 PM CDT

* AT 247 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
  NUMEROUS SHOWERS AND THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL
  OVER THE WARNED AREA. RADAR ESTIMATES SHOW THAT 2 TO 3 INCHES OF
  RAIN HAS FALLEN OVER THE PAST 2 TO 3 HOURS...AND ADDITIONAL STORMS
  MOVING OVER THE SAME LOCATION WILL LIKELY CAUSE FLASH FLOODING
  IN THE WARNED AREA.

* LOCATIONS IMPACTED INCLUDE...
  WIGGINS...            PERKINSTON...         MCHENRY...
  BEATRICE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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. NEVER
ATTEMPT TO CROSS A FLOODED ROADWAY. TURN AROUND...DON'T DROWN. 

&&

LAT...LON 3090 8935 3092 8933 3091 8915 3103 8915
      3106 8912 3108 8884 3100 8884 3100 8881
      3073 8881 3073 8888 3067 8889 3067 8923
      3064 8924 3065 8935

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 5:18 AM CDT	Flash Flood Watch	MOB	George, Greene, Perry, Stone, Wayne	55 hr
May 28, 12:18 PM CDT	Areal Flood Advisory	MOB	Stone	117 min

Nearby

Flash Flood Warnings in Mississippi, 2014 Every flash flood warning in 2014

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.