Alert archive / Alabama / Heat Advisories in 2015

Heat Advisory 9, NWS Birmingham, AL

August 7, 201511 counties in Alabama

NWS Birmingham, AL issued this heat advisory at Aug 7, 2015, 5:52 AM CDT for 11 counties in Alabama. It took effect at Aug 7, 2015, 12:00 PM CDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Aug 7, 2015, 5:52 AM CDT (10:52 UTC)
In effect from: Aug 7, 2015, 12:00 PM CDT
Expired: Aug 7, 2015, 6:00 PM CDT
In force: 6 hr
Issued by: NWS Birmingham, AL

Counties Autauga County, AL, Dallas County, AL, Greene County, AL, Hale County, AL, Lowndes County, AL, Marengo County, AL, Montgomery County, AL, Perry County, AL, Pickens County, AL, Sumter County, AL, Tuscaloosa County, AL

The radar

The Birmingham radar (KBMX), 83 km from the middle of the area, began a volume at 10:49 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 00:00Z, 10.9 hours before the alert went out and 83 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: 629 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 1092 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 196 m²/s²
0-3 km storm-relative helicity: 355 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory 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 heat advisory went out at Aug 7, 5:07 AM CDT, 45 minutes earlier.

Area forecast discussion, Aug 7, 5:07 AM CDT, 45 minutes before

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Hazardous weather outlook, Aug 7, 4:48 AM CDT, 1 hour 4 minutes before

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In the hours before

Local storm report, Aug 6, 11:57 PM CDT, 5 hours 55 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1157 PM CDT THU AUG 06 2015

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

1038 PM     TSTM WND DMG     1 S TROY UNIVERSITY     31.78N 85.95W
08/06/2015                   PIKE               AL   EMERGENCY MNGR

            *** 4 INJ *** DAMAGE TO THE WALMART AND HIBBETT SPORTS
            BUILDINGS IN TROY. EXTENT OF DAMAGE UNKNOWN AT THIS TIME.
            FOUR MINOR INJURIES KNOWN AT THIS TIME. UPDATED FOR
            INJURIES.

&&

TGOGGINS

Local storm report, Aug 7, 12:00 AM CDT, 5 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1200 AM CDT FRI AUG 07 2015

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

1038 PM     TORNADO          1 S TROY UNIVERSITY     31.78N 85.95W
08/06/2015                   PIKE               AL   EMERGENCY MNGR

            *** 4 INJ *** SIGNIFICANT DAMAGE TO THE WALMART AND
            HIBBETT SPORTS BUILDINGS IN TROY. FOUR MINOR INJURIES
            KNOWN AT THIS TIME. UPDATED FOR INJURIES.

&&

TGOGGINS

Local storm report, Aug 7, 12:52 AM CDT, 5 hours before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1252 AM CDT FRI AUG 07 2015

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

0546 PM     TSTM WND DMG     2 NNE ALPINE            33.38N 86.21W
08/06/2015                   TALLADEGA          AL   911 CALL CENTER

            TREE DOWN ON PLANT RD

0624 PM     TSTM WND DMG     3 NNW ASHLAND           33.32N 85.85W
08/06/2015                   CLAY               AL   EMERGENCY MNGR

            TREE DOWN NEXT TO THE BOWDEN GROVE BPATIST CHURCH. TIME
            ESTIMATED FROM RADAR.

0631 PM     TSTM WND DMG     4 NNE LINEVILLE         33.36N 85.72W
08/06/2015                   CLAY               AL   EMERGENCY MNGR

            TREE DOWN ACROSS HIGHWAY 9 NEAR THE BARFIELD SCHOOL. ALSO
            ANOTHER TREE DOWN IN LINEVILLE.

0737 PM     TSTM WND DMG     1 NE DEATSVILLE         32.62N 86.38W
08/06/2015                   ELMORE             AL   EMERGENCY MNGR

            ONE TREE DOWN PARTIALLY BLOCKING ROADWAY ON SWEET WILLIAM
            LN. WINDS ESTIMATED 40-50 MPH.

0840 PM     TSTM WND DMG     4 ESE RUSSELL COUNTY SP 32.32N 85.08W
08/06/2015                   RUSSELL            AL   EMERGENCY MNGR

            SEVERAL TREE TOPS SNAPPED AND ONE TREE DOWN ALONG AVALON
            DRIVE. POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR.

0850 PM     TSTM WND DMG     1 NNW UCHEE CREEK       32.33N 85.02W
08/06/2015                   RUSSELL            AL   EMERGENCY MNGR

            ONE LARGE TREE DOWN ACROSS HWY 165 NEAR THE INTERSECTION
            WITH 101ST AIRBORNE DIVISION RD. TIME ESTIMATED FROM
            RADAR.

1038 PM     TORNADO          1 S TROY UNIVERSITY     31.78N 85.95W
08/06/2015                   PIKE               AL   EMERGENCY MNGR

            *** 4 INJ *** SIGNIFICANT DAMAGE TO THE WALMART AND
            HIBBETT SPORTS BUILDINGS IN TROY. FOUR MINOR INJURIES
            KNOWN AT THIS TIME. UPDATED FOR INJURIES.

&&

TGOGGINS

Special weather statement, Aug 7, 1:08 AM CDT, 4 hours 44 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
108 AM CDT FRI AUG 7 2015

ALZ038-047-070700-
CHAMBERS AL-LEE AL-
108 AM CDT FRI AUG 7 2015

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CHAMBERS AND NORTHERN
LEE COUNTIES UNTIL 200 AM CDT...

AT 108 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
RIDGE GROVE...OR NEAR CAMP HILL...MOVING EAST AT 35 MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
AUBURN...OPELIKA...VALLEY...LANETT...LAFAYETTE...LA FAYETTE...
WAVERLY...LAKEVIEW...CUSSETA...WEST CHAMBERS...BEANS MILL...RIVER
VIEW...BEULAH...RIDGE GROVE...HUGULEY...FAIRFAX...CHAMBERS COUNTY
LAKE...OAK BOWERY...BLEECKER AND STURKIE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 3256 8505 3264 8562 3273 8559 3293 8559
      3291 8519 3286 8518 3284 8515 3283 8517
      3281 8517 3278 8512 3276 8514 3274 8511
      3269 8512 3266 8509 3265 8511 3263 8508
      3262 8509 3259 8508
TIME...MOT...LOC 0608Z 281DEG 29KT 3284 8560

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 7:04 PM CDT	Severe Thunderstorm Warning	BMX	Lee, Russell	41 min
Aug 6, 7:22 PM CDT	Special Weather Statement	BMX	Autauga, Elmore	38 min
Aug 6, 7:41 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Macon, Montgomery, Tallapoosa	64 min
Aug 6, 7:49 PM CDT	Special Weather Statement	BMX	Russell	26 min
Aug 6, 8:21 PM CDT	Severe Thunderstorm Warning	BMX	Bullock, Macon, Montgomery	54 min
Aug 6, 8:23 PM CDT	Areal Flood Advisory	BMX	Elmore, Macon, Montgomery	2 hr
Aug 6, 8:53 PM CDT	Severe Thunderstorm Warning	BMX	Russell	33 min
Aug 6, 9:04 PM CDT	Special Weather Statement	BMX	Barbour	56 min
Aug 6, 9:28 PM CDT	Special Weather Statement	BMX	Pike	62 min
Aug 6, 10:32 PM CDT	Special Weather Statement	BMX	Pike	28 min
Aug 6, 10:39 PM CDT	Tornado Warning	BMX	Pike	36 min
Aug 7, 1:08 AM CDT	Special Weather Statement	BMX	Chambers, Lee	52 min
Aug 7, 12:32 PM CDT	Special Weather Statement	BMX	Sumter	43 min
Aug 7, 12:49 PM CDT	Severe Thunderstorm Warning	BMX	Sumter	37 min
Aug 7, 1:11 PM CDT	Severe Thunderstorm Warning	BMX	Marengo	28 min
Aug 7, 1:42 PM CDT	Special Weather Statement	BMX	Marengo	48 min
Aug 7, 2:24 PM CDT	Special Weather Statement	BMX	Pike	36 min
Aug 7, 2:38 PM CDT	Special Weather Statement	BMX	Russell	37 min
Aug 7, 2:52 PM CDT	Special Weather Statement	BMX	Bullock	38 min
Aug 7, 3:27 PM CDT	Heat Advisory	BMX	Autauga, Barbour, Bibb, Blount, Bullock, Chambers and 28 more	3 days
Aug 7, 3:29 PM CDT	Special Weather Statement	BMX	Barbour	61 min
Aug 7, 3:37 PM CDT	Special Weather Statement	BMX	Autauga	38 min
Aug 7, 3:58 PM CDT	Special Weather Statement	BMX	Autauga	32 min

Nearby

Heat Advisories in Alabama, 2015 Every heat advisory in 2015

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.