Alert archive / Alabama / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 242, NWS Birmingham, AL

May 10, 2009Barbour County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 10, 2009, 5:06 PM CDT for Barbour County, Alabama. It was in force for 19 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 10, 2009, 5:06 PM CDT (22:06 UTC)
Expired
May 10, 2009, 5:25 PM CDT
In force
19 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

County Barbour County, AL

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.1 hours before the alert went out and 187 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, Peachtre/Fal Fld, GA at 12:00Z on 2009-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 86 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2009-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 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
86 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
700 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 10, 2:30 PM CDT, 2 hours 36 minutes earlier.

Area forecast discussion, May 10, 2:30 PM CDT, 2 hours 36 minutes before
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Hazardous weather outlook, May 10, 1:34 PM CDT, 3 hours 32 minutes before
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In the hours before

Local storm report, May 10, 3:34 PM CDT, 1 hour 32 minutes before
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Special weather statement, May 10, 3:37 PM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
337 PM CDT SUN MAY 10 2009

ALZ037-038-045>048-102145-
BULLOCK-CHAMBERS-LEE-MACON-RUSSELL-TALLAPOOSA-
337 PM CDT SUN MAY 10 2009

...SIGNIFICANT WEATHER ALERT FOR BULLOCK...CHAMBERS...LEE...MACON...
RUSSELL AND TALLAPOOSA COUNTIES UNTIL 445 PM CDT...

AT 337 PM CDT...THE NATIONAL WEATHER SERVICE IS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM OPELIKA TO SHORTER...OR
ALONG A LINE EXTENDING FROM OPELIKA TO MILSTEAD...MOVING EAST AT 20
MPH.

PEA SIZE HAIL...WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  FRANKLIN.
  MOUNT JEFFERSON.
  TUSKEGEE.
  MOTON FIELD MUNICIPAL AIRPORT.
  TUSKEGEE NATIONAL FOREST.
  BEANS MILL.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.
Local storm report, May 10, 3:48 PM CDT, 1 hour 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
348 PM CDT SUN MAY 10 2009

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

0335 PM     TSTM WND DMG     7 NE OPELIKA            32.73N 85.29W
05/10/2009                   LEE                AL   EMERGENCY MNGR

            4 TREES DOWN ALONG COUNTY ROAD 266.

&&

ARM
Local storm report, May 10, 3:51 PM CDT, 1 hour 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
351 PM CDT SUN MAY 10 2009

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

0341 PM     HAIL             2 SW FAIRFAX            32.78N 85.21W
05/10/2009  E0.75 INCH       CHAMBERS           AL   EMERGENCY MNGR

            PENNY SIZE HAIL REPORTED NEAR FAIRFAX ON HIGHWAY 29 AND
            BEN BROWN ROAD.

&&

ARM
Local storm report, May 10, 4:01 PM CDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
401 PM CDT SUN MAY 10 2009

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

0338 PM     TSTM WND DMG     VALLEY                  32.82N 85.18W
05/10/2009                   CHAMBERS           AL   EMERGENCY MNGR

            MULTIPLE UPROOTED AND SNAPPED PINE TREES ON COUNTY ROAD
            271 IN VALLEY.

&&

ARM
Special weather statement, May 10, 4:51 PM CDT, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
451 PM CDT SUN MAY 10 2009

ALZ046-050-102245-
BARBOUR-BULLOCK-
451 PM CDT SUN MAY 10 2009

...SIGNIFICANT WEATHER ALERT FOR BARBOUR AND BULLOCK COUNTIES UNTIL
545 PM CDT...

AT 450 PM CDT...THE NATIONAL WEATHER SERVICE IS TRACKING A STRONG
THUNDERSTORM NEAR COMER...OR 8 MILES SOUTHEAST OF MIDWAY...MOVING
EAST AT 30 MPH.

PEA SIZE HAIL...WINDS UP TO 30 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  COMER.
  BATESVILLE.
  HAWKINSVILLE.
  LAKEPOINT RESORT STATE PARK.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:01 PM CDTFlash Flood WatchBMXBlount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 12 more22 hr
May 10, 10:26 AM CDTAreal Flood AdvisoryBMXFayette, Lamar, Marion, Pickens, Walker, Winston3 hr
May 10, 11:19 AM CDTAreal Flood AdvisoryBMXTuscaloosa3 hr
May 10, 2:03 PM CDTAreal Flood AdvisoryBMXChilton, Coosa3 hr
May 10, 2:22 PM CDTAreal Flood AdvisoryBMXAutauga, Elmore, Tallapoosa3 hr
May 10, 2:57 PM CDTAreal Flood AdvisoryBMXChambers, Lee, Tallapoosa3 hr
May 10, 3:15 PM CDTSevere Thunderstorm WarningBMXChambers, Lee30 min
May 10, 3:40 PM CDTAreal Flood AdvisoryBMXLee, Macon3 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2009Every severe thunderstorm warning in 2009

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.