Alert archive / Alabama / Flash Flood Warnings in 2011

Flash Flood Warning 46, NWS Birmingham, AL

September 5, 2011Pickens County, Alabama

NWS Birmingham, AL issued this flash flood warning at Sep 5, 2011, 6:19 AM CDT for Pickens County, Alabama. It was in force for 7 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
Sep 5, 2011, 6:19 AM CDT (11:19 UTC)
Expired
Sep 5, 2011, 1:30 PM CDT
In force
7 hr
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Flood severity
None

County Pickens County, AL

The radar

The Columbus AFB radar (KGWX), 83 km from the middle of the area, began a volume at 11:22 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
Sep 5, 10:50 AM CDTFLASH FLOODReform, ALUP TO 6 INCHES OF FLOWING WATER ACROSS MANY STREETS IN REFORM.
Sep 5, 12:00 PM CDTFLOOD5 Sw Carrollton, ALBONNER MILL RD REMAINS CLOSED DUE TO FLOODING.
Sep 5, 12:00 PM CDTFLASH FLOOD3 Wsw Carrollton, ALA PORTION OF LUTHER COLEMAN RD SOUTHWEST OF CARROLLTON WAS WASHED OUT.
Sep 5, 12:00 PM CDTFLASH FLOOD5 E Pickensville, ALCUMMINGS RD NORTH OF ALICEVILLE WAS WASHED OUT.
Sep 5, 12:00 PM CDTFLASH FLOODAliceville, ALLOW LYING AREAS ALONG 1ST AVENUE IN ALICEVILLE RECEIVED FLOODING. RESIDENTS HAD TO BE EVACTUATED FROM THEIR HOMES. A PARKING LOT WAS ALSO FLOODED.

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, 11.3 hours before the alert went out and 127 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 2011-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 881 joules per kilogram.LCLEL10008507005003002001001 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 2011-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
881 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

166 
WGUS54 KBMX 051119
FFWBMX
ALC107-051530-
/O.NEW.KBMX.FF.W.0046.110905T1119Z-110905T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
619 AM CDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PICKENS COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 1030 AM CDT

* AT 617 AM CDT...NATIONAL WEATHER SERVICE INDICATED AN AREA OF 
VERY   HEAVY RAINFALL ACROSS THE WARNED AREA. RAINFALL OF ONE TO TWO 
INCHES HAS FALLEN OVER THE AREA DURING THE PAST TWO HOURS.  AN 
ADDITIONAL ONE TO TWO INCHES...WITH LOCALLY GREATER AMOUNTS...IS 
POSSIBLE ACROSS THE AREA DURING THE NEXT TWO HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ALICEVILLE...CARROLLTON...PICKENSVILLE...REFORM...ETHELSVILLE...
  GARDEN...MCMULLEN AND MEMPHIS.


TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.

LAT...LON 3352 8828 3353 8816 3352 8799 3306 8802
      3304 8805 3305 8807 3305 8808 3304 8808
      3304 8814 3302 8814 3302 8816 3299 8818
      3299 8834

$$

41
2 follow-up statements
580 
WGUS74 KBMX 051257
FFSBMX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
757 AM CDT MON SEP 5 2011

ALC107-051530-
/O.CON.KBMX.FF.W.0046.000000T0000Z-110905T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PICKENS AL-
757 AM CDT MON SEP 5 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR PICKENS COUNTY UNTIL
1030 AM CDT...

AT 753 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE HEAVY RAINFALL SPREADING ACROSS THE WARNED AREA. AN 
ADDITIONAL ONE TO TWO INCHES OF RAIN IS POSSIBLE DURING THE NEXT ONE 
TO TWO HOURS.  SOME OF THE HEAVIEST RAINFALL SO FAR HAS OCCURRED IN 
THE WESTERN SECTIONS OF THE COUNTY...ESPECIALLY IN AREAS AROUND 
PICKENSVILLE WHERE TWO TO FOUR INCHES OF RAIN HAS BEEN INDICATED BY 
RADAR DURING THE PAST FEW HOURS.

RUNOFF FROM EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. 
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE... 
ALICEVILLE...CARROLLTON...PICKENSVILLE...REFORM...ETHELSVILLE... 
GARDEN...MCMULLEN AND MEMPHIS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF WILL CAUSE FLOODING OF SMALL CREEKS AND 
STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND 
FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW LYING 
AREAS ARE ALSO SUBJECT TO FLOODING.

&&

LAT...LON 3352 8828 3353 8816 3352 8799 3306 8802
      3304 8805 3305 8807 3305 8808 3304 8808
      3304 8814 3302 8814 3302 8816 3299 8818
      3299 8834

$$

41
347 
WGUS54 KBMX 051526
FFWBMX
ALC107-051830-
/O.EXT.KBMX.FF.W.0046.000000T0000Z-110905T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1026 AM CDT MON SEP 5 2011

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  PICKENS COUNTY IN WEST CENTRAL ALABAMA...

* UNTIL 130 PM CDT

* AT 1025 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED THAT 
  FOUR TO SIX INCHES OF RAIN HAS FALLEN OVER PORTIONS OF THE 
  AREA...WITH LOCALLY GREATER AMOUNTS.  ANOTHER ONE TO TWO INCHES IS 
  POSSIBLE DURING THE NEXT TWO HOURS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ALICEVILLE...CARROLLTON...PICKENSVILLE...REFORM...ETHELSVILLE...
  GARDEN...MCMULLEN AND MEMPHIS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. RAINFALL FROM PERSISTENT RAINBANDS
WILL PRODUCE FLOODING IN LOW LYING AREAS AND ALONG STREETS. MANY
ROADS MAY BE CLOSED DUE TO HIGH WATER AND DRIVING IS NOT RECOMMENDED
DURING THE NEXT SEVERAL HOURS.


&&

TO REPORT SEVERE WEATHER...
CALL 1-800-856-0758.

LAT...LON 3352 8828 3353 8816 3352 8799 3306 8802
      3304 8805 3305 8807 3305 8808 3304 8808
      3304 8814 3302 8814 3302 8816 3299 8818
      3299 8834

$$

41

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 5, 4:31 AM CDTWind AdvisoryBMXAutauga, Barbour, Bibb, Blount, Bullock, Calhoun and 33 more26 hr
Sep 5, 5:34 AM CDTAreal Flood AdvisoryBMXMontgomery3 hr
Sep 5, 5:54 AM CDTFlash Flood WarningBMXElmore, Montgomery2 hr
Sep 5, 6:20 AM CDTTornado WarningBMXPickens24 min
Sep 5, 6:44 AM CDTFlash Flood WarningBMXLamar4 hr
Sep 5, 6:57 AM CDTFlash Flood WarningBMXLamar7 hr
Sep 5, 7:16 AM CDTFlash Flood WarningBMXFayette, Marion, Walker, Winston8 hr
Sep 5, 8:27 AM CDTFlash Flood WarningBMXSumter4 hr
Sep 5, 9:01 AM CDTAreal Flood WarningBMXLamar60 hr
Sep 5, 9:29 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter48 hr
Sep 5, 9:40 AM CDTFlash Flood WarningBMXPickens6 hr
Sep 5, 10:07 AM CDTRiver Flood WarningBMXJefferson, Tuscaloosa, Walker72 hr
Sep 5, 10:07 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo, Sumter, Tuscaloosa59 hr
Sep 5, 10:07 AM CDTRiver Flood WarningBMXGreene, Hale, Marengo5 days
Sep 5, 10:14 AM CDTTornado WarningBMXBullock, Pike13 min
Sep 5, 10:16 AM CDTFlash Flood WarningBMXGreene6 hr
Sep 5, 10:28 AM CDTFlash Flood WarningBMXLamar4 hr
Sep 5, 10:31 AM CDTTornado WarningBMXLee, Macon, Russell29 min
Sep 5, 10:48 AM CDTTornado WarningBMXBibb, Hale, Perry27 min
Sep 5, 10:51 AM CDTTornado WarningBMXLee24 min
Sep 5, 11:11 AM CDTTornado WarningBMXChambers34 min
Sep 5, 11:36 AM CDTFlash Flood WarningBMXTuscaloosa7 hr
Sep 5, 11:39 AM CDTTornado WarningBMXPerry36 min
Sep 5, 12:20 PM CDTTornado WarningBMXDallas25 min
Sep 5, 12:21 PM CDTTornado WarningBMXBullock, Pike24 min
Sep 5, 12:35 PM CDTTornado WarningBMXChilton, Dallas, Perry25 min
Sep 5, 12:40 PM CDTAreal Flood WarningBMXPickens3 hr
Sep 5, 1:00 PM CDTTornado WarningBMXLee, Russell30 min
Sep 5, 1:09 PM CDTFlash Flood WarningBMXJefferson6 hr
Sep 5, 1:27 PM CDTAreal Flood WarningBMXPickens3 hr
Sep 5, 1:47 PM CDTAreal Flood WarningBMXPickens3 hr
Sep 5, 2:27 PM CDTSevere Thunderstorm WarningBMXJefferson48 min
Sep 5, 2:28 PM CDTFlash Flood WarningBMXBlount, Jefferson4 hr
Sep 5, 3:01 PM CDTAreal Flood WarningBMXFayette, Marion, Walker, Winston17 hr
Sep 5, 3:03 PM CDTTornado WarningBMXLee, Macon27 min
Sep 5, 3:26 PM CDTRiver Flood WarningBMXJefferson15 hr
Sep 5, 4:06 PM CDTAreal Flood WarningBMXPickens16 hr
Sep 5, 4:39 PM CDTFlash Flood Warning EmergencyBMXJefferson5 hr
Sep 5, 4:52 PM CDTFlash Flood WarningBMXBibb, Shelby3 hr
Sep 5, 5:08 PM CDTSpecial Weather StatementBMXBlount, Jefferson67 min
Sep 5, 5:12 PM CDTFlash Flood WarningBMXEtowah, St. Clair6 hr
Sep 5, 6:12 PM CDTSpecial Weather StatementBMXBlount, Jefferson78 min
Sep 5, 6:18 PM CDTAreal Flood WarningBMXTuscaloosa6 hr
Sep 5, 6:38 PM CDTFlash Flood WarningBMXBlount3 hr
Sep 5, 6:41 PM CDTHigh Wind WarningBMXBlount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 5 more3 hr

Nearby

Flash Flood Warnings in Alabama, 2011Every 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.