Alert archive / Alabama / Flash Flood Warnings in 2015

Flash Flood Warning 4, NWS Birmingham, AL

June 24, 2015Lamar County, Alabama

NWS Birmingham, AL issued this flash flood warning at Jun 24, 2015, 6:41 PM CDT for Lamar County, Alabama. 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: Jun 24, 2015, 6:41 PM CDT (23:41 UTC)
Expired: Jun 24, 2015, 9:45 PM CDT
In force: 3 hr
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Flood severity: None

County Lamar County, AL

The radar

The Columbus AFB radar (KGWX), 23 km from the middle of the area, began a volume at 23:42 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

Birmingham, AL (KBMX), launched 12:00Z, 11.7 hours before the alert went out and 147 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: 1115 J/kg
Mixed-layer CIN: -237 J/kg
Mixed-layer LCL: 1436 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

102 
WGUS54 KBMX 242341
FFWBMX
ALC075-250245-
/O.NEW.KBMX.FF.W.0004.150624T2341Z-150625T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
641 PM CDT WED JUN 24 2015

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM HAS ISSUED A

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

* UNTIL 945 PM CDT
    
* AT 638 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN ACROSS NORTHERN LAMAR COUNTY. UP TO TWO INCHES OF RAIN 
  HAVE ALREADY FALLEN BASED ON RADAR ESTIMATES. FLASH FLOODING IS 
  EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
  SULLIGENT...DETROIT...BEAVERTON...LAMAR COUNTY AIRPORT... BLOOMING 
  GROVE...CREWS...BEDFORD...GATTMAN...LAMAR COUNTY PUBLIC 
  LAKE...HIGHTOGY...HENSON SPRINGS...PINE SPRINGS AND CODY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

&&

LAT...LON 3406 8821 3405 8799 3402 8799 3402 8795
      3368 8795 3368 8826

$$

56

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 11:30 PM CDT	Special Weather Statement	BMX	Marion	60 min
Jun 23, 11:55 PM CDT	Special Weather Statement	BMX	St. Clair	35 min
Jun 24, 12:22 AM CDT	Special Weather Statement	BMX	Fayette, Lamar	53 min
Jun 24, 12:26 AM CDT	Special Weather Statement	BMX	Talladega	49 min
Jun 24, 12:47 AM CDT	Special Weather Statement	BMX	Talladega	43 min
Jun 24, 2:18 AM CDT	Special Weather Statement	BMX	Talladega	27 min
Jun 24, 4:11 AM CDT	Special Weather Statement	BMX	Bullock, Montgomery	64 min
Jun 24, 7:24 AM CDT	Areal Flood Advisory	BMX	Pike	111 min
Jun 24, 5:51 PM CDT	Special Weather Statement	BMX	Chambers	54 min
Jun 24, 5:58 PM CDT	Special Weather Statement	BMX	Lamar	32 min
Jun 24, 6:05 PM CDT	Severe Thunderstorm Warning	BMX	Lamar	40 min
Jun 24, 6:20 PM CDT	Severe Thunderstorm Warning	BMX	Chambers, Randolph	55 min
Jun 24, 6:34 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Russell	56 min
Jun 24, 6:48 PM CDT	Special Weather Statement	BMX	Tallapoosa	57 min
Jun 24, 6:52 PM CDT	Special Weather Statement	BMX	Cleburne	38 min
Jun 24, 6:57 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion	48 min
Jun 24, 6:58 PM CDT	Severe Thunderstorm Warning	BMX	Chambers	35 min

Nearby

Flash Flood Warnings in Alabama, 2015 Every flash flood warning in 2015

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.