Alert archive / Alabama / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 225, NWS Birmingham, AL

June 25, 2010Marion County, Walker County, Winston County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 25, 2010, 4:26 PM CDT for Marion County, Walker County, Winston County, Alabama. It was in force for 34 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: Jun 25, 2010, 4:26 PM CDT (21:26 UTC)
Expired: Jun 25, 2010, 5:00 PM CDT
In force: 34 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon

Counties Marion County, AL, Walker County, AL, Winston County, AL

The radar

The Columbus AFB radar (KGWX), 76 km from the middle of the area, began a volume at 21:29 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, 9.4 hours before the alert went out and 117 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: 1895 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 962 m above ground
0-6 km bulk shear: 2 kt
0-1 km storm-relative helicity: -32 m²/s²
0-3 km storm-relative helicity: -32 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 Jun 25, 3:20 PM CDT, 1 hour 6 minutes earlier.

Area forecast discussion, Jun 25, 3:20 PM CDT, 1 hour 6 minutes before

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Hazardous weather outlook, Jun 25, 10:30 AM CDT, 5 hours 56 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1030 AM CDT FRI JUN 25 2010

ALZ011>015-017>050-261530-
AUTAUGA-BARBOUR-BIBB-BLOUNT-BULLOCK-CALHOUN-CHAMBERS-CHEROKEE-
CHILTON-CLAY-CLEBURNE-COOSA-DALLAS-ELMORE-ETOWAH-FAYETTE-GREENE-HALE-
JEFFERSON-LAMAR-LEE-LOWNDES-MACON-MARENGO-MARION-MONTGOMERY-PERRY-
PICKENS-PIKE-RANDOLPH-RUSSELL-SHELBY-ST CLAIR-SUMTER-TALLADEGA-
TALLAPOOSA-TUSCALOOSA-WALKER-WINSTON-
1030 AM CDT FRI JUN 25 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE
NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ISOLATED TO SCATTERED SEVERE STORMS ARE POSSIBLE BETWEEN NOON AND 8
PM...GENERALLY ALONG AND NORTH OF A LINE FROM ALICEVILLE TO CALERA
TO HEFLIN. WHILE MOST OF THESE STORMS ARE EXPECTED TO CONTAIN GUSTY
WINDS OF 50 MPH OR LESS AND SMALL HAIL...A FEW COULD REACH SEVERE
LIMITS WITH WINDS IN EXCESS OF 60 MPH.

ELSEWHERE...FURTHER SOUTH...STRONG STORMS WILL BE POSSIBLE BETWEEN
NOON AND 8 PM. WIND GUSTS LESS THAN 50 MPH WILL BE THE MAIN
THREAT...ALONG WITH BRIEF HEAVY RAINFALL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT MAY BE NEEDED
ACROSS THE NORTH THIS AFTERNOON.

17/KLAWS

In the hours before

Local storm report, Jun 25, 2:44 PM CDT, 1 hour 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
244 PM CDT FRI JUN 25 2010

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

0216 PM     TSTM WND DMG     LEEDS                   33.55N 86.56W
06/25/2010                   JEFFERSON          AL   LAW ENFORCEMENT

            MULTIPLE TREES DOWN ALONG MAIN STREET.

&&

JTALLEY

Local storm report, Jun 25, 3:05 PM CDT, 1 hour 21 minutes before

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Special weather statement, Jun 25, 3:27 PM CDT, 59 minutes before

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Local storm report, Jun 25, 3:31 PM CDT, 55 minutes before

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Local storm report, Jun 25, 3:53 PM CDT, 33 minutes before

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Special weather statement, Jun 25, 4:17 PM CDT, 9 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
Jun 25, 1:52 PM CDT	Severe Thunderstorm Warning	BMX	Tuscaloosa	38 min
Jun 25, 2:06 PM CDT	Areal Flood Advisory	BMX	Tuscaloosa	54 min
Jun 25, 2:06 PM CDT	Severe Thunderstorm Warning	BMX	Jefferson, St. Clair, Shelby, Talladega	54 min
Jun 25, 2:18 PM CDT	Flash Flood Warning	BMX	Tuscaloosa	3 hr
Jun 25, 2:23 PM CDT	Severe Thunderstorm Warning	BMX	Hale, Tuscaloosa	30 min
Jun 25, 2:25 PM CDT	Areal Flood Advisory	BMX	Blount, Etowah, St. Clair	65 min
Jun 25, 2:47 PM CDT	Areal Flood Advisory	BMX	Winston	58 min
Jun 25, 2:59 PM CDT	Flash Flood Warning	BMX	Winston	3 hr
Jun 25, 3:39 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Tallapoosa	37 min
Jun 25, 4:05 PM CDT	Areal Flood Advisory	BMX	Marion	3 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2010 Every severe thunderstorm warning in 2010

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.