Alert archive / Alabama / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 230, NWS Birmingham, AL

June 26, 2010Lamar County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 26, 2010, 3:04 PM CDT for Lamar County, Alabama. It was in force for 56 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 26, 2010, 3:04 PM CDT (20:04 UTC)
Expired
Jun 26, 2010, 4:00 PM CDT
In force
56 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon

County Lamar County, AL

The radar

The Columbus AFB radar (KGWX), 25 km from the middle of the area, began a volume at 20:06 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 12:00Z, 8.1 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2010-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2093 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, Little Rock, AR at 12:00Z on 2010-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 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
2093 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1017 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
-18 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 26, 2:26 PM CDT, 38 minutes earlier.

Area forecast discussion, Jun 26, 2:26 PM CDT, 38 minutes before
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Hazardous weather outlook, Jun 26, 10:30 AM CDT, 4 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1030 AM CDT SAT JUN 26 2010

ALZ011>015-017>050-271530-
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 SAT JUN 26 2010

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

STRONG STORMS WILL BE POSSIBLE ACROSS ALL OF CENTRAL ALABAMA THIS
AFTERNOON...MAINLY BETWEEN NOON AND 8 PM. THE PRIMARY THREATS WILL BE
WIND GUSTS UP TO 50 MPH...SOME SMALL HAIL...AND HEAVY
RAINFALL...WHICH COULD LEAD TO LOCALIZED FLASH FLOODING.  THE
PRIMARY THREAT LOCATION WILL BE IN A ZONE FROM ALONG AND SOUTH OF
THE INTERSTATE 20 AND ALONG AND NORTH OF THE HIGHWAY 80 CORRIDORS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT IS NOT
EXPECTED AT THIS TIME.

17/KLAWS

In the hours before

Local storm report, Jun 26, 1:10 PM CDT, 1 hour 54 minutes before
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Special weather statement, Jun 26, 1:27 PM CDT, 1 hour 37 minutes before
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Local storm report, Jun 26, 2:23 PM CDT, 41 minutes before
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Local storm report, Jun 26, 2:26 PM CDT, 38 minutes before
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Special weather statement, Jun 26, 2:33 PM CDT, 31 minutes before
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Local storm report, Jun 26, 3:02 PM CDT, 2 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 12:39 PM CDTSevere Thunderstorm WarningBMXTuscaloosa51 min
Jun 26, 1:06 PM CDTAreal Flood AdvisoryBMXTuscaloosa114 min
Jun 26, 1:22 PM CDTSevere Thunderstorm WarningBMXTuscaloosa38 min
Jun 26, 1:38 PM CDTSevere Thunderstorm WarningBMXBibb, Jefferson, Tuscaloosa52 min
Jun 26, 1:58 PM CDTAreal Flood AdvisoryBMXElmore, Montgomery2 hr
Jun 26, 2:13 PM CDTSevere Thunderstorm WarningBMXBibb37 min
Jun 26, 3:37 PM CDTSevere Thunderstorm WarningBMXShelby38 min
Jun 26, 4:07 PM CDTSevere Thunderstorm WarningBMXClay, Coosa, Talladega38 min
Jun 26, 5:49 PM CDTSevere Thunderstorm WarningBMXRussell26 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2010Every 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.