Alert archive / Alabama / Flash Flood Warnings in 2011

Flash Flood Warning 9, NWS Mobile, AL

March 9, 2011Clarke County, Washington County, Wilcox County, Alabama; Greene County, Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this flash flood warning at Mar 9, 2011, 5:51 AM CST for Clarke County, Washington County, Wilcox County, Alabama; Greene County, Perry County, Wayne County, Mississippi. It was in force for 6 hr. 4 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: Mar 9, 2011, 5:51 AM CST (11:51 UTC)
Expired: Mar 9, 2011, 11:45 AM CST
In force: 6 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

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

The radar

The Mobile radar (KMOB), 124 km from the middle of the area, began a volume at 11:51 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.

What was reported inside it

Time	Report	Where	Remark
Mar 9, 7:00 AM CST	FLOOD	Denham, MS	WATER RISES ON THE BUCKATUNNA CREEK AT FROST BRIDGE HAS RESULTED IN WATER OVER 200 YARDS OUT OF BOTH SIDES OF THE CREEK. A CAMP GROUND IS UNDER WATER. SEVERAL BUILDINGS ARE LIKELY WATER DAMAGED BUT THE EXTENT WILL NOT BE KNOWN UNTIL THE WATER SUBSIDES.
Mar 9, 7:00 AM CST	FLASH FLOOD	Runnelstown, MS	WATER OVER FREEMAN ROAD. TIME ESTIMATED.
Mar 9, 7:15 AM CST	FLASH FLOOD	Richton, MS	MANY STREETS IN RICHTON FLOODED. TIME ESTIMATED.
Mar 9, 7:30 AM CST	FLASH FLOOD	4 Sw Richton, MS	WATER OVER ROADS IN AREA. TIME ESTIMATED.

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, 11.9 hours before the alert went out and 192 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1808 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 365 m²/s²
0-3 km storm-relative helicity: 712 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.

010 
WGUS54 KMOB 091151
FFWMOB
ALC025-129-131-MSC041-111-153-091745-
/O.NEW.KMOB.FF.W.0009.110309T1151Z-110309T1745Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
551 AM CST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WILCOX COUNTY IN SOUTH CENTRAL ALABAMA...
  THIS INCLUDES THE CITY OF CAMDEN...
  NORTHERN GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
  NORTHERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF RICHTON...
  SOUTHERN WAYNE COUNTY IN SOUTHEAST MISSISSIPPI...
  CLARKE COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITIES OF...THOMASVILLE...JACKSON...GROVE HILL...
  WASHINGTON COUNTY IN SOUTHWEST ALABAMA...
  THIS INCLUDES THE CITY OF CHATOM...

* UNTIL 1145 AM CST

* AT 542 AM CST...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF 
  VERY INTENSE SHOWERS AND THUNDERSTORMS MOVING SOUTHEAST INTO THE   
  WARNED AREA. VERY HEAVY RAINFALL WILL TRAIN OVER THE AREA FOR      
  AT LEAST THE NEXT FEW HOURS WITH ADDITIONAL RAINFALL AMOUNTS OF 2  
  TO 3 INCHES LIKELY. FLASH FLOODING WILL LIKELY DEVELOP QUICKLY     
  ONCE THE HEAVIER RAIN BEGINS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO YELLOW
  BLUFF...PINE HILL...CANTON BEND...ANNE MARIE...HOLTAMVILLE AND
  BOYKIN

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

LAT...LON 3203 8710 3184 8721 3182 8752 3156 8756
      3152 8761 3145 8756 3111 8913 3141 8915
      3144 8911 3144 8893 3160 8893 3170 8831
      3170 8809 3177 8812 3200 8807 3201 8763
      3214 8762 3214 8753 3224 8753 3227 8745

$$

JFB

1 follow-up statement

362 
WGUS74 KMOB 091629
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1029 AM CST WED MAR 9 2011

ALC025-129-131-MSC041-111-153-091745-
/O.CON.KMOB.FF.W.0009.000000T0000Z-110309T1745Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WASHINGTON AL-CLARKE AL-WILCOX AL-PERRY MS-GREENE MS-WAYNE MS-
1029 AM CST WED MAR 9 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM CST FOR
SOUTHERN WAYNE...NORTHERN GREENE...NORTHERN PERRY...WILCOX...CLARKE
AND WASHINGTON COUNTIES...

AT 1025 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES 
THAT AS MUCH AS 7 TO 9 INCHES OF RAIN HAS FALLEN ACROSS THE AREA.  
THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 AM AND AN AREAL 
FLOOD WARNING WILL LIKELY BE ISSUED AT THAT TIME TO REPLACE THE 
FLASH FLOOD WARNING SINCE THE DURATION OF THE FLOODING ACROSS THE 
AREA WILL BE IN EXCESS OF 6 HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

A TORNADO WATCH REMAINS IN EFFECT UNTIL NOON CST WEDNESDAY FOR
SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA.

&&

LAT...LON 3203 8710 3184 8721 3182 8752 3156 8756
      3152 8761 3145 8756 3111 8913 3141 8915
      3144 8911 3144 8893 3160 8893 3170 8831
      3170 8809 3177 8812 3200 8807 3201 8763
      3214 8762 3214 8753 3224 8753 3227 8745

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 7:11 PM CST	Severe Thunderstorm Warning	MOB	Mobile, Washington	34 min
Mar 8, 8:23 PM CST	Severe Thunderstorm Warning	MOB	Washington	37 min
Mar 8, 9:04 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	41 min
Mar 8, 9:44 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington, Wilcox	46 min
Mar 9, 1:32 AM CST	Flash Flood Warning	MOB	Choctaw	118 min
Mar 9, 4:20 AM CST	Flash Flood Warning	MOB	Choctaw	6 hr
Mar 9, 4:22 AM CST	Severe Thunderstorm Warning	MOB	Choctaw	38 min
Mar 9, 4:32 AM CST	Tornado Warning	MOB	Choctaw	33 min
Mar 9, 5:07 AM CST	Flash Flood Warning	MOB	Choctaw	6 hr
Mar 9, 5:40 AM CST	Tornado Warning	MOB	Choctaw, Clarke	33 min
Mar 9, 6:37 AM CST	Tornado Warning	MOB	Washington	17 min
Mar 9, 7:08 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile, Washington	52 min
Mar 9, 7:26 AM CST	Flash Flood Warning	MOB	Baldwin, Clarke, Mobile, Washington	6 hr
Mar 9, 7:33 AM CST	Flash Flood Warning	MOB	Monroe	6 hr
Mar 9, 7:52 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	83 min
Mar 9, 7:54 AM CST	Special Marine Warning	MOB		81 min
Mar 9, 8:01 AM CST	Tornado Warning	MOB	Baldwin, Mobile	44 min
Mar 9, 8:14 AM CST	Severe Thunderstorm Warning	MOB	Conecuh, Covington, Escambia	61 min
Mar 9, 8:27 AM CST	Tornado Warning	MOB	Baldwin, Mobile	63 min
Mar 9, 8:35 AM CST	Tornado Warning	MOB	Conecuh, Covington, Escambia	40 min
Mar 9, 8:41 AM CST	Flash Flood Warning	MOB	Baldwin, Mobile	4 hr
Mar 9, 8:48 AM CST	Flash Flood Warning	MOB	Conecuh, Escambia	5 hr
Mar 9, 8:50 AM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw	40 min
Mar 9, 9:02 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Escambia	58 min
Mar 9, 9:10 AM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia	65 min
Mar 9, 9:10 AM CST	Tornado Warning	MOB	Baldwin	50 min
Mar 9, 9:16 AM CST	Tornado Warning	MOB	Baldwin	44 min
Mar 9, 9:16 AM CST	Tornado Warning	MOB	Covington	59 min
Mar 9, 9:19 AM CST	Special Marine Warning	MOB		116 min
Mar 9, 9:23 AM CST	Special Marine Warning	MOB		97 min
Mar 9, 9:25 AM CST	Flash Flood Warning	MOB	Baldwin	6 hr
Mar 9, 9:26 AM CST	Tornado Warning	MOB	Baldwin, Escambia	49 min
Mar 9, 9:26 AM CST	Tornado Warning	MOB	Covington, Crenshaw	26 min
Mar 9, 9:36 AM CST	Flash Flood Warning	MOB	Conecuh, Covington, Escambia	114 min
Mar 9, 9:40 AM CST	Tornado Warning	MOB	Baldwin	50 min
Mar 9, 9:44 AM CST	Areal Flood Advisory	MOB	Butler, Conecuh, Covington, Crenshaw	4 hr
Mar 9, 9:54 AM CST	Tornado Warning	MOB	Covington	25 min
Mar 9, 10:09 AM CST	Severe Thunderstorm Warning	MOB	Covington	66 min
Mar 9, 10:22 AM CST	Areal Flood Warning	MOB	Choctaw	5 hr
Mar 9, 10:55 AM CST	Special Marine Warning	MOB		80 min
Mar 9, 11:00 AM CST	Areal Flood Warning	MOB	Choctaw	5 hr
Mar 9, 11:14 AM CST	Tornado Warning	MOB	Baldwin	61 min
Mar 9, 11:30 AM CST	River Flood Warning	MOB	Clarke, Monroe, Wilcox	10 days
Mar 9, 11:54 AM CST	Areal Flood Advisory	MOB	Conecuh, Covington, Escambia	111 min
Mar 9, 11:58 AM CST	Special Marine Warning	MOB		2 hr
Mar 9, 12:00 PM CST	Areal Flood Warning	MOB	Clarke, Washington, Wilcox	4 hr
Mar 9, 2:02 PM CST	Special Marine Warning	MOB		58 min
Mar 8, 7:01 PM CST	Severe Thunderstorm Warning	MOB	Greene, Perry	44 min
Mar 8, 7:47 PM CST	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	43 min
Mar 8, 9:32 PM CST	River Flood Warning	MOB	George, Greene, Perry	9 days
Mar 8, 9:32 PM CST	River Flood Warning	MOB	George, Greene, Jackson	10 days
Mar 9, 5:01 AM CST	Tornado Warning	MOB	Wayne	44 min
Mar 9, 6:00 AM CST	Tornado Warning	MOB	Greene, Perry	45 min
Mar 9, 6:04 AM CST	Tornado Warning	MOB	Perry, Stone	41 min
Mar 9, 6:38 AM CST	Tornado Warning	MOB	George, Greene, Perry, Stone	37 min
Mar 9, 6:41 AM CST	Severe Thunderstorm Warning	MOB	George, Stone	49 min
Mar 9, 11:30 AM CST	River Flood Warning	MOB	Greene, Wayne	47 hr
Mar 9, 11:30 AM CST	River Flood Warning	MOB	Perry	6 days

Nearby

Flash Flood Warnings in Alabama, 2011 Flash Flood Warnings in Mississippi, 2011 Every flash flood warning in 2011

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.