Alert archive / Alabama / Flash Flood Warnings in 2013

Flash Flood Warning 3, NWS Mobile, AL

February 11, 2013Greene County, Perry County, Wayne County, Mississippi; 5 counties in Alabama

NWS Mobile, AL issued this flash flood warning at Feb 11, 2013, 12:14 AM CST for Greene County, Perry County, Wayne County, Mississippi; 5 counties in Alabama. It was in force for 6 hr. 5 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
Feb 11, 2013, 12:14 AM CST (06:14 UTC)
Expired
Feb 11, 2013, 6:15 AM CST
In force
6 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, AL, Clarke County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 139 km from the middle of the area, began a volume at 06:18 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
Feb 11, 6:00 AM CSTFLASH FLOODGrove Hill, ALST STEPHEN ROAD WASHED OUT IN GROVE HILL. REPORTED BY CLARKE COUNTY EMA.
Feb 11, 6:00 AM CSTFLASH FLOODThomasville, ALCRESTVIEW ROAD IN THOMASVILLE ROAD WASHED OUT IN THOMASVILLE. REPORTED BY CLARKE COUNTY EMA.
Feb 11, 6:00 AM CSTHEAVY RAIN 6Thomasville, AL6 INCHES OF RAIN REPORTED ON PEACHTREE ROAD IN THOMASVILLE BY CLARKE COUNTY EMA.
Feb 11, 6:00 AM CSTHEAVY RAIN 6.5Grove Hill, AL6.5 INCHES OF RAIN REPORTED SO FAR ENDING 8 AM AT CLARKE COUNTY EMAS OFFICE IN GROVE HILL.
Feb 11, 6:00 AM CSTHEAVY RAIN 7.75Grove Hill, AL7.75 INCHES OF RAIN REPORTED ON ALLEN RD IN GROVE HILL BY CLARKE COUNTY EMA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 6.2 hours before the alert went out and 184 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, Birmingham, AL at 00:00Z on 2013-02-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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, Birmingham, AL at 00:00Z on 2013-02-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -133 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
14 J/kg
Mixed-layer CIN
-278 J/kg
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-133 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

691 
WGUS54 KMOB 110614
FFWMOB
ALC023-025-099-129-131-MSC041-111-153-111215-
/O.NEW.KMOB.FF.W.0003.130211T0614Z-130211T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1214 AM CST MON FEB 11 2013

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA...
  WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  CHOCTAW COUNTY IN SOUTHWEST ALABAMA...
  CLARKE COUNTY IN SOUTHWEST ALABAMA...
  NORTHERN WASHINGTON COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 615 AM CST

* AT 1204 AM CST...A SERIES OF STRONG THUNDERSTORMS WITH HEAVY RAIN  
  CONTINUE TO MOVE OVER THE WARNED AREA. RADAR ESTIMATES AS MUCH AS  
  5 TO 9 INCHES OF RAIN HAS FALLEN IN A CORRIDOR FROM WAYNE COUNTY   
  EAST INTO CENTRAL CLARKE COUNTY WITH 3 TO 6 INCHES OF RAIN         
  ESTIMATED ELSEWHERE IN THE WARNED AREA. ADDITIONAL STORMS          
  WILL CONTINUE TO DEVELOP AND MOVE THROUGH THE REGION OVERNIGHT...  
  WHICH WILL CONTINUE TO CAUSE FLASH FLOODING IN THE WARNED AREA.    
  CLARKE COUNTY EMA RECENTLY REPORTED SIGNIFICANT STREET FLOODING IN 
  GROVE HILL. 

* LOCATIONS IMPACTED INCLUDE...
  BOYKIN...             WAYNESBORO...         STATE LINE...
  CLARA...              BUCKATUNNA...         RICHTON...             
  BUTLER...             COFFEEVILLE...        GROVE HILL ...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3205 8713 3171 8711 3120 8915 3143 8915
      3144 8895 3182 8895 3189 8849 3214 8845
      3215 8802 3208 8804 3205 8811 3201 8811
      3199 8806 3201 8763 3213 8763 3216 8753
      3217 8729

$$
1 follow-up statement
330 
WGUS74 KMOB 110701
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
101 AM CST MON FEB 11 2013

ALC023-025-099-129-131-MSC041-111-153-111215-
/O.CON.KMOB.FF.W.0003.000000T0000Z-130211T1215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CHOCTAW AL-MONROE AL-WASHINGTON AL-WILCOX AL-WAYNE MS-PERRY MS-
GREENE MS-CLARKE AL-
101 AM CST MON FEB 11 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM CST FOR
CLARKE...NORTHERN GREENE...NORTHERN PERRY...WAYNE...WILCOX...NORTHERN
WASHINGTON...NORTHERN MONROE AND CHOCTAW COUNTIES...

AT 1250 AM CST...CLARKE COUNTY EMERGENCY MANAGEMENT REPORTED 6 TO 8 
INCHES OF WATER FLOWING OVER FOSCUE AVENUE AND OAK STREETS IN GROVE 
HILL...AND TWO AND A HALF FEET OF STANDING WATER ON CLAY STREET IN 
GROVE HILL. 

AT 100 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
DETECT SHOWERS AND THUNDERSTORMS PRODUCING HEAVY RAIN ALONG A LINE 
FROM 6 MILES WEST OF WAYNESBORO...TO NEAR BUCKATUNNA...TO 2 MILES 
SOUTH OF MILLRY...TO NEAR GROVE HILL AND THOMASVILLE...TO NEAR
WATSONVILLE...MOVING EAST AT 40 MPH. ADDITIONAL RAINFALL RATES OF 1 
TO 2 INCHES PER HOUR WILL BE POSSIBLE UNDERNEATH THE HEAVIER SHOWERS 
AND STORMS...WHICH MAY AGGRAVATE ONGOING FLOODING. 

LOCATIONS IMPACTED INCLUDE...
  BOYKIN...             WAYNESBORO...         STATE LINE...
  CLARA...              BUCKATUNNA...         RICHTON...
  TOXEY...              SILAS...              GROVE HILL...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODING. NEVER ATTEMPT TO CROSS A FLOODED ROAD. TURN 
AROUND...DONT DROWN. 

&&

LAT...LON 3205 8713 3171 8711 3120 8915 3143 8915
      3144 8895 3182 8895 3189 8849 3214 8845
      3215 8802 3208 8804 3205 8811 3201 8811
      3199 8806 3201 8763 3213 8763 3216 8753
      3217 8729

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 6:12 PM CSTFlash Flood WarningMOBWayne6 hr
Feb 10, 6:26 PM CSTTornado WarningMOBWayne64 min
Feb 10, 7:11 PM CSTTornado WarningMOBWayne49 min
Feb 10, 8:41 PM CSTSevere Thunderstorm WarningMOBGreene64 min
Feb 11, 2:47 AM CSTRiver Flood WarningMOBPerry43 hr
Feb 11, 5:33 AM CSTDense Fog AdvisoryMOBGeorge, Stone3 hr
Feb 11, 6:29 AM CSTAreal Flood WarningMOBGreene, Perry, Wayne6 hr
Feb 11, 9:49 AM CSTRiver Flood WarningMOBGeorge, Greene, Perry10 days
Feb 11, 9:49 AM CSTRiver Flood WarningMOBGeorge, Greene, Jackson20 days
Feb 11, 12:14 PM CSTAreal Flood WarningMOBGreene, Perry, Wayne18 hr
Feb 10, 6:12 PM CSTTornado WarningMOBClarke, Monroe, Wilcox63 min
Feb 10, 6:26 PM CSTTornado WarningMOBButler, Conecuh, Monroe64 min
Feb 10, 6:33 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Crenshaw, Monroe, Wilcox57 min
Feb 10, 6:40 PM CSTTornado WarningMOBChoctaw, Clarke, Washington50 min
Feb 10, 6:51 PM CSTTornado WarningMOBButler, Conecuh, Covington, Crenshaw54 min
Feb 10, 7:30 PM CSTTornado WarningMOBClarke, Monroe, Wilcox45 min
Feb 10, 7:37 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia53 min
Feb 10, 7:40 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington50 min
Feb 10, 7:45 PM CSTTornado WarningMOBChoctaw, Clarke, Washington45 min
Feb 10, 8:06 PM CSTRiver Flood WarningMOBClarke, Monroe, Wilcox10 days
Feb 10, 8:53 PM CSTAreal Flood AdvisoryMOBButler, Conecuh, Covington2 hr
Feb 10, 9:17 PM CSTTornado WarningMOBClarke, Washington43 min
Feb 10, 9:55 PM CSTSevere Thunderstorm WarningMOBButler, Monroe, Wilcox50 min
Feb 11, 1:53 AM CSTMarine Dense Fog AdvisoryMOB8 hr
Feb 11, 2:25 AM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington, Wilcox50 min
Feb 11, 3:02 AM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox43 min
Feb 11, 9:49 AM CSTRiver Flood WarningMOBEscambia11 hr
Feb 11, 9:49 AM CSTRiver Flood WarningMOBDallas, Monroe, Wilcox7 days
Feb 11, 9:49 AM CSTRiver Flood WarningMOBCovington, Escambia11 hr
Feb 11, 12:25 PM CSTAreal Flood WarningMOBButler, Conecuh, Covington, Escambia, Monroe18 hr
Feb 11, 4:27 PM CSTRiver Flood WarningMOBBaldwin, Mobile4 hr

Nearby

Flash Flood Warnings in Alabama, 2013Flash Flood Warnings in Mississippi, 2013Every flash flood warning in 2013

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.