Alert archive / Alabama / Special Weather Statements in 2016

Special Weather Statement, NWS Birmingham, AL

July 6, 2016Cherokee County, Alabama

NWS Birmingham, AL issued this special weather statement at Jul 6, 2016, 3:39 PM CDT for Cherokee County, Alabama. It was in force for 36 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
Jul 6, 2016, 3:39 PM CDT (20:39 UTC)
Expired
Jul 6, 2016, 4:15 PM CDT
In force
36 min
Issued by
NWS Birmingham, AL

County Cherokee County, AL

The radar

The Atlanta radar (KFFC), 109 km from the middle of the area, began a volume at 20:40 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, 8.7 hours before the alert went out and 113 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 2016-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1847 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 2016-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
1847 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
741 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
150 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 Jul 6, 2:46 PM CDT, 53 minutes earlier.

Area forecast discussion, Jul 6, 2:46 PM CDT, 53 minutes before
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Hazardous weather outlook, Jul 6, 10:01 AM CDT, 5 hours 38 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1001 AM CDT WED JUL 6 2016

ALZ011>015-017>050-071815-
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-
1001 AM CDT WED JUL 6 2016

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

.DAY ONE...TODAY AND TONIGHT.

ISOLATED SEVERE STORMS ARE POSSIBLE TODAY ACROSS ALL OF CENTRAL
ALABAMA. MAIN THREATS INCLUDE GUSTY WINDS UP TO 60 MPH THAT COULD
BRING DOWN TREES AND POWER LINES...AND QUARTER SIZE HAIL. THE
THREAT FOR SEVERE STORMS WILL DIMINISH LATER THIS EVENING WITH THE
LOSS OF DAYTIME HEATING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

A COMBINATION OF HEAT AND HUMIDITY MAY SEND HEAT INDEX VALUES OVER
105 DEGREES EACH AFTERNOON FROM THURSDAY THROUGH SATURDAY...MAINLY
ACROSS THE SOUTHERN AND WESTERN PORTIONS OF CENTRAL ALABAMA.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Jul 6, 2:46 PM CDT, 53 minutes before
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Special weather statement, Jul 6, 2:51 PM CDT, 48 minutes before
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Special weather statement, Jul 6, 3:05 PM CDT, 34 minutes before
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Local storm report, Jul 6, 3:20 PM CDT, 19 minutes before
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Special weather statement, Jul 6, 3:26 PM CDT, 13 minutes before
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Special weather statement, Jul 6, 3:39 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
Jul 5, 7:21 PM CDTSpecial Weather StatementBMXWalker24 min
Jul 6, 8:52 AM CDTSpecial Weather StatementBMXEtowah23 min
Jul 6, 10:18 AM CDTSpecial Weather StatementBMXCleburne27 min
Jul 6, 10:41 AM CDTSpecial Weather StatementBMXRandolph49 min
Jul 6, 11:19 AM CDTSpecial Weather StatementBMXChambers, Tallapoosa56 min
Jul 6, 12:14 PM CDTSpecial Weather StatementBMXBullock46 min
Jul 6, 12:36 PM CDTSpecial Weather StatementBMXBullock39 min
Jul 6, 12:50 PM CDTSpecial Weather StatementBMXAutauga40 min
Jul 6, 12:52 PM CDTSevere Thunderstorm WarningBMXBarbour, Bullock38 min
Jul 6, 1:12 PM CDTSevere Thunderstorm WarningBMXBarbour, Russell28 min
Jul 6, 1:18 PM CDTSpecial Weather StatementBMXPike42 min
Jul 6, 1:21 PM CDTSpecial Weather StatementBMXLee24 min
Jul 6, 1:28 PM CDTSpecial Weather StatementBMXBarbour47 min
Jul 6, 1:35 PM CDTSevere Thunderstorm WarningBMXPike25 min
Jul 6, 2:06 PM CDTSpecial Weather StatementBMXDallas24 min
Jul 6, 2:11 PM CDTSpecial Weather StatementBMXLowndes49 min
Jul 6, 2:19 PM CDTSevere Thunderstorm WarningBMXLowndes, Montgomery41 min
Jul 6, 2:32 PM CDTSpecial Weather StatementBMXMacon43 min
Jul 6, 2:35 PM CDTSevere Thunderstorm WarningBMXAutauga, Lowndes40 min
Jul 6, 2:46 PM CDTSpecial Weather StatementBMXAutauga44 min
Jul 6, 2:51 PM CDTSpecial Weather StatementBMXLee, Macon54 min
Jul 6, 3:05 PM CDTSpecial Weather StatementBMXMontgomery55 min
Jul 6, 3:23 PM CDTSevere Thunderstorm WarningBMXLee20 min
Jul 6, 3:26 PM CDTSpecial Weather StatementBMXLowndes49 min
Jul 6, 4:05 PM CDTSpecial Weather StatementBMXChambers25 min
Jul 6, 4:10 PM CDTSpecial Weather StatementBMXRandolph20 min
Jul 6, 4:16 PM CDTSpecial Weather StatementBMXElmore29 min
Jul 6, 4:32 PM CDTSpecial Weather StatementBMXRandolph28 min
Jul 6, 4:40 PM CDTSpecial Weather StatementBMXCalhoun50 min
Jul 6, 4:44 PM CDTSpecial Weather StatementBMXCoosa31 min
Jul 6, 4:59 PM CDTSpecial Weather StatementBMXCoosa31 min
Jul 6, 5:08 PM CDTSpecial Weather StatementBMXBibb37 min
Jul 6, 5:15 PM CDTSpecial Weather StatementBMXCoosa15 min
Jul 6, 5:27 PM CDTSpecial Weather StatementBMXRandolph18 min
Jul 6, 5:31 PM CDTSpecial Weather StatementBMXChilton44 min
Jul 6, 5:45 PM CDTSpecial Weather StatementBMXRandolph15 min
Jul 6, 6:06 PM CDTSpecial Weather StatementBMXBibb39 min
Jul 6, 6:40 PM CDTSpecial Weather StatementBMXSumter35 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.