Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Birmingham, AL

June 25, 2016Lee County, Alabama

NWS Birmingham, AL issued this special weather statement at Jun 25, 2016, 3:17 PM CDT for Lee County, Alabama. It was in force for 28 min. 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 25, 2016, 3:17 PM CDT (20:17 UTC)
Expired
Jun 25, 2016, 3:45 PM CDT
In force
28 min
Issued by
NWS Birmingham, AL

County Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 35 km from the middle of the area, began a volume at 20:16 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.3 hours before the alert went out and 127 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 2016-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 706 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 2016-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
706 J/kg
Mixed-layer CIN
-83 J/kg
Mixed-layer LCL
1438 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jun 25, 3:14 PM CDT, 3 minutes earlier.

Area forecast discussion, Jun 25, 3:14 PM CDT, 3 minutes before
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Hazardous weather outlook, Jun 25, 4:56 AM CDT, 10 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
456 AM CDT SAT JUN 25 2016

ALZ011>015-017>050-261300-
MARION-LAMAR-FAYETTE-WINSTON-WALKER-BLOUNT-ETOWAH-CALHOUN-CHEROKEE-
CLEBURNE-PICKENS-TUSCALOOSA-JEFFERSON-SHELBY-ST. CLAIR-TALLADEGA-
CLAY-RANDOLPH-SUMTER-GREENE-HALE-PERRY-BIBB-CHILTON-COOSA-TALLAPOOSA-
CHAMBERS-MARENGO-DALLAS-AUTAUGA-LOWNDES-ELMORE-MONTGOMERY-MACON-
BULLOCK-LEE-RUSSELL-PIKE-BARBOUR-
456 AM CDT SAT JUN 25 2016

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

.DAY ONE...OUTLOOK THROUGH TONIGHT.

ABOVE NORMAL TEMPERATURES AND HUMIDITY LEVELS WILL COMBINE TO
PRODUCE HEAT INDICES THIS AFTERNOON NEAR OR AT 105 DEGREES.
THE MOST CRITICAL HEAT INDEX VALUES WILL MAINLY BE ALONG AND
WEST OF I-65 AND ALONG AND SOUTH OF I-85.

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

HEAT INDEX VALUES WILL ONCE AGAIN APPROACH 105 DEGREES SUNDAY AND
MONDAY AFTERNOONS...MAINLY ACROSS THE SOUTHERN COUNTIES. ADDITIONAL
HEAT ADVISORIES MAY BE ISSUED.

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ON
SUNDAY. SOME MAY BECOME STRONG TO SEVERE, WITH THE MAIN THREAT BEING
WIND GUSTS. THE MOST LIKELY TIME FOR THESE STRONGER STORMS WOULD
NEAR THE MAXIMUM HEATING OF LATE AFTERNOON INTO EARLY EVENING.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jun 25, 3:17 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 3:43 AM CDTHeat AdvisoryBMXAutauga, Barbour, Bibb, Bullock, Chilton, Coosa and 20 more17 hr
Jun 25, 3:28 PM CDTSpecial Weather StatementBMXClay32 min
Jun 25, 4:23 PM CDTSpecial Weather StatementBMXBlount37 min
Jun 25, 4:51 PM CDTSpecial Weather StatementBMXCalhoun24 min
Jun 25, 5:17 PM CDTSpecial Weather StatementBMXTalladega28 min
Jun 25, 6:07 PM CDTSpecial Weather StatementBMXCleburne23 min
Jun 25, 6:35 PM CDTSpecial Weather StatementBMXBarbour25 min

Nearby

Special Weather Statements in Alabama, 2016Every special weather statement in 2016

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.