Alert archive / Alabama / Areal Flood Warnings in 2011

Areal Flood Warning 1, NWS Birmingham, AL

March 8, 2011Lamar County, Alabama

NWS Birmingham, AL issued this areal flood warning at Mar 8, 2011, 7:06 PM CST 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 counties it named.

The facts

Issued: Mar 8, 2011, 7:06 PM CST (01:06 UTC)
Expired: Mar 8, 2011, 10:00 PM CST
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), 25 km from the middle of the area, began a volume at 01:08 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

Little Rock, AR (KLZK), launched 00:00Z, 1.1 hours before the alert went out and 206 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: 40 J/kg
Mixed-layer CIN: -520 J/kg
Mixed-layer LCL: 441 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 342 m²/s²
0-3 km storm-relative helicity: 356 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Birmingham, AL wrote its last area forecast discussion before this areal flood warning went out at Mar 8, 5:50 PM CST, 1 hour 16 minutes earlier.

Area forecast discussion, Mar 8, 5:50 PM CST, 1 hour 16 minutes before

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Hazardous weather outlook, Mar 8, 2:52 PM CST, 4 hours 14 minutes before

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In the hours before

Special weather statement, Mar 8, 1:09 PM CST, 5 hours 57 minutes before

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Special weather statement, Mar 8, 2:35 PM CST, 4 hours 31 minutes before

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Special weather statement, Mar 8, 3:03 PM CST, 4 hours 3 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
303 PM CST TUE MAR 8 2011

ALZ030-031-082130-
GREENE AL-SUMTER AL-
303 PM CST TUE MAR 8 2011

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN GREENE AND NORTHERN
SUMTER COUNTIES UNTIL 330 PM CST...

AT 300 PM CST...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR NEW WEST GREENE...OR 16 MILES SOUTH OF
ALICEVILLE...MOVING NORTHEAST AT 40 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  NEW WEST GREENE...
  WEST GREENE...
  UNION...
  MANTUA...
  JENA...

&&

LAT...LON 3299 8817 3302 8817 3305 8814 3305 8809
      3306 8807 3305 8804 3307 8803 3310 8795
      3313 8793 3316 8784 3303 8783 3303 8774
      3299 8772 3279 8816 3298 8831
TIME...MOT...LOC 2103Z 238DEG 33KT 3291 8817

GOGGINS

Local storm report, Mar 8, 6:19 PM CST, 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
619 PM CST TUE MAR 08 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0618 PM     FLASH FLOOD      VERNON                  33.76N 88.11W
03/08/2011                   LAMAR              AL   EMERGENCY MNGR

            5 ROADWAYS ARE CURRENTLY IMPASSABLE NEAR VERNON DUE TO
            HIGH WATER OVER THE ROADWAY.

&&

LINHARES

Special weather statement, Mar 8, 6:21 PM CST, 45 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 8, 6:21 PM CST	Special Weather Statement	BMX	Lamar	24 min
Mar 8, 8:42 PM CST	Areal Flood Advisory	BMX	Greene, Hale, Marengo, Pickens, Sumter	3 hr
Mar 8, 9:00 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	4 days
Mar 8, 9:49 PM CST	River Flood Warning	BMX	Bibb, Jefferson, Shelby	36 hr
Mar 8, 9:49 PM CST	River Flood Warning	BMX	Bibb, Dallas, Perry	61 hr
Mar 8, 10:33 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter	9 days
Mar 8, 10:38 PM CST	River Flood Warning	BMX	Greene, Hale, Marengo	8 days
Mar 8, 11:21 PM CST	Areal Flood Advisory	BMX	Greene, Hale, Lamar, Marengo, Pickens, Sumter	3 hr
Mar 8, 11:55 PM CST	Special Weather Statement	BMX	Dallas, Perry	50 min
Mar 9, 1:02 AM CST	Areal Flood Advisory	BMX	Fayette, Jefferson, Marion, Tuscaloosa, Walker, Winston	3 hr
Mar 9, 1:15 AM CST	Special Weather Statement	BMX	Marengo	30 min
Mar 9, 1:37 AM CST	Special Weather Statement	BMX	Dallas	38 min
Mar 9, 2:29 AM CST	Flash Flood Warning	BMX	Fayette, Lamar, Marion, Pickens, Tuscaloosa, Walker and 1 more	6 hr
Mar 9, 2:47 AM CST	Special Weather Statement	BMX	Perry	43 min
Mar 9, 3:32 AM CST	Areal Flood Advisory	BMX	Greene, Hale, Marengo, Perry, Sumter	3 hr
Mar 9, 3:56 AM CST	Areal Flood Advisory	BMX	Bibb, Blount, Jefferson, Shelby, Tuscaloosa	3 hr
Mar 9, 4:21 AM CST	Flash Flood Warning	BMX	Bibb, Greene, Hale, Marengo, Perry, Sumter and 1 more	6 hr
Mar 9, 4:38 AM CST	Severe Thunderstorm Warning	BMX	Marengo, Sumter	37 min
Mar 9, 4:59 AM CST	Special Weather Statement	BMX	Bibb, Hale, Jefferson, Perry, Tuscaloosa	46 min
Mar 9, 5:24 AM CST	Flash Flood Warning	BMX	Bibb, Blount, Chilton, Dallas, Jefferson, Perry and 3 more	6 hr
Mar 9, 5:27 AM CST	River Flood Warning	BMX	Jefferson	16 hr
Mar 9, 5:48 AM CST	Special Weather Statement	BMX	Autauga, Blount, Calhoun, Chilton, Coosa, Dallas and 5 more	57 min
Mar 9, 6:00 AM CST	Flash Flood Warning	BMX	Blount, Calhoun, Cherokee, Etowah, St. Clair, Shelby and 1 more	4 hr
Mar 9, 6:46 AM CST	Special Weather Statement	BMX	Clay, Coosa, Elmore, Lowndes, Montgomery, Talladega and 1 more	59 min
Mar 9, 6:53 AM CST	Special Weather Statement	BMX	Clay, Coosa, Elmore, Lowndes, Montgomery, Talladega and 1 more	52 min
Mar 9, 7:38 AM CST	Special Weather Statement	BMX	Bullock, Chambers, Lee, Macon, Montgomery, Pike and 1 more	67 min
Mar 9, 8:25 AM CST	Areal Flood Warning	BMX	Lamar	24 hr
Mar 9, 8:34 AM CST	Special Weather Statement	BMX	Barbour, Bullock, Chambers, Lee, Macon, Russell	56 min
Mar 9, 8:53 AM CST	Areal Flood Advisory	BMX	Clay, Cleburne, Coosa, Talladega	6 hr
Mar 9, 9:25 AM CST	River Flood Warning	BMX	Jefferson, Tuscaloosa, Walker	59 hr
Mar 9, 9:46 AM CST	Severe Thunderstorm Warning	BMX	Pike	29 min
Mar 9, 10:00 AM CST	Areal Flood Warning	BMX	Talladega	12 hr
Mar 9, 10:03 AM CST	Tornado Warning	BMX	Barbour, Pike	42 min
Mar 9, 10:40 AM CST	Areal Flood Advisory	BMX	Chambers, Randolph, Tallapoosa	3 hr
Mar 9, 10:46 AM CST	Severe Thunderstorm Warning	BMX	Barbour	29 min
Mar 9, 10:59 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Tuscaloosa	33 hr
Mar 9, 10:59 AM CST	River Flood Warning	BMX	Greene, Hale, Marengo, Sumter, Tuscaloosa	68 hr
Mar 9, 11:18 AM CST	Flash Flood Warning	BMX	Cleburne	3 hr
Mar 9, 12:04 PM CST	River Flood Warning	BMX	Chilton, Coosa, Elmore, Shelby, Talladega	45 hr
Mar 9, 3:56 PM CST	Special Weather Statement	BMX	Marion	34 min
Mar 9, 4:00 PM CST	Special Weather Statement	BMX	Lamar	30 min
Mar 9, 4:04 PM CST	Special Weather Statement	BMX	Pickens	26 min
Mar 9, 4:24 PM CST	Special Weather Statement	BMX	Fayette	36 min
Mar 9, 4:45 PM CST	Special Weather Statement	BMX	Pickens	30 min
Mar 9, 4:56 PM CST	Special Weather Statement	BMX	Winston	34 min
Mar 9, 5:00 PM CST	Special Weather Statement	BMX	Fayette	30 min
Mar 9, 5:14 PM CST	Special Weather Statement	BMX	Fayette	31 min
Mar 9, 5:31 PM CST	Special Weather Statement	BMX	Winston	29 min
Mar 9, 5:36 PM CST	Special Weather Statement	BMX	Walker	39 min
Mar 9, 5:46 PM CST	Special Weather Statement	BMX	Tuscaloosa	44 min

Nearby

Areal Flood Warnings in Alabama, 2011 Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.