Alert archive / Alabama / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 100, NWS Birmingham, AL

July 3, 2015Coosa County, Tallapoosa County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jul 3, 2015, 11:30 PM CDT for Coosa County, Tallapoosa County, Alabama. It was in force for 60 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: Jul 3, 2015, 11:30 PM CDT (04:30 UTC)
Expired: Jul 4, 2015, 12:30 AM CDT
In force: 60 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Coosa County, AL, Tallapoosa County, AL

The radar

The Maxwell AFB radar (KMXX), 46 km from the middle of the area, began a volume at 04:31 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, 4.5 hours before the alert went out and 77 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1393 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 82 m²/s²
0-3 km storm-relative helicity: 177 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 Jul 3, 6:30 PM CDT, 5 hours earlier.

Area forecast discussion, Jul 3, 6:30 PM CDT, 5 hours before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BIRMINGHAM AL
630 PM CDT FRI JUL 3 2015

.UPDATE...
FOR 00Z AVIATION.

&&

.DISCUSSION...

AN OUTFLOW BOUNDARY FROM EARLIER CONVECTION HAS PUSHED TO NEAR A
TUSCALOOSA...CALERA...ASHLAND LINE. THIS BOUNDARY WILL ACT AS A
FOCUS FOR THUNDERSTORM DEVELOPMENT THROUGH THE EARLY EVENING HOURS.
THE MAIN BAND OF RAIN HAS PUSHED INTO FAR NORTHERN MISSISSIPPI AND
ALABAMA. THERE WILL LIKELY BE ANOTHER ROUND OF HEAVY RAINFALL
ACROSS NORTH ALABAMA LATER TONIGHT AS AN UPPER LEVEL IMPULSE
ROTATES THROUGH THE BASE OF THE LONG WAVE TROF. THE HEAVIEST
RAINFALL THE PAST 12 HOURS HAS BEEN CONFINED TO MAINLY MARION AND
WINSTON COUNTIES...WITH 2 T 4 INCHES OF RAIN. FLASH FLOOD GUIDANCE
VALUES ARE STILL IN THE 2-2.5 INCH PER HOUR ACROSS NORTH CENTRAL
ALABAMA...AND BELIEVE THE GROUND WILL BE ABLE TO HANDLE THE FORECAST
RAINFALL TOTALS TONIGHT WITHOUT SIGNIFICANT FLOODING...AND WILL
NOT ISSUE ANY WATCH AT THIS TIME.

THE SHORT WAVE TROF WILL CONTINUE TO SLOWLY PIVOT EASTWARD THIS
WEEKEND WITH THE TROF AXIS FINALLY SHIFTING EAST OF ALABAMA BY
SUNDAY NIGHT. UNTIL THIS HAPPENS...UNSETTLED WEATHER WILL CONTINUE
WITH NUMEROUS SHOWERS AND THUNDERSTORMS ACROSS CENTRAL ALABAMA.
THE MODELS ARE TRENDING WARMER AND LESS CONVECTIVE NEXT WEEK AS AN
UPPER RIDGE BUILDS OVER THE SOUTHEAST STATES. THE GFS CONTINUES TO
SHOW MORE DIURNAL CONVECTION ACROSS ALABAMA THAN THE ECMWF AND
CANADIAN MODELS...AND WILL KEEP RAIN CHANCES IN THE 30-35 PERCENT
RANGE FOR NOW...BUT COULD REDUCE POPS IN LATER FORECASTS IF THE
GFS TRENDS DRIER.

58/ROSE

&&

.AVIATION...
00Z TAF DISCUSSION.

STORMS MOVING FROM WEST TO EAST ACROSS CENTRAL ALABAMA WILL POSE A
THREAT THROUGH THE EVENING AND OVERNIGHT HOURS. THE MAIN ACTIVITY
THE NEXT COUPLE OF HOURS WILL BE FROM TCL TO EET BUT OTHER STORMS
ARE NOTED BACK INTO MISSISSIPPI. ALSO WATCHING A CLUSTER OF STORMS
MOVING TOWARDS MGM FROM THE SOUTHWEST. IN SHORT...POTENTIAL
IMPACTS POSSIBLE AT ANYTIME THIS EVENING. WINDS GENERALLY
SOUTHWEST AT 4 TO 8 KTS. ADDITIONAL SHOWERS AND STORMS POSSIBLE
TOMORROW AFTERNOOON.

88

&&

.FIRE WEATHER...

HIGH HUMIDITY VALUES AND ABOVE NORMAL RAIN CHANCES WILL CONTINUE
FOR THE NEXT FEW DAYS. THERE ARE NO FIRE WEATHER CONCERNS.

&&

.BMX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

Hazardous weather outlook, Jul 3, 11:10 AM CDT, 12 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1110 AM CDT FRI JUL 3 2015

ALZ011>015-017>050-041915-
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-
1110 AM CDT FRI JUL 3 2015

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A SLOW MOVING BOUNDARY WILL PUSH SOUTHWARD THROUGH TONIGHT ACROSS
THE NORTHERN PORTIONS OF CENTRAL ALABAMA. SHOWERS AND STORMS WILL
TRACK EASTWARD ALONG AND NORTH OF THE BOUNDARY. ANY STORMS THAT
TRAIN OVER THE SAME AREAS WILL PRODUCE HEAVY RAINFALL AND COULD
RESULT IN LOCALIZED FLASH FLOODING.

IN ADDITION TO THE FLOODING...AN ISOLATED SEVERE THUNDERSTORM
IS POSSIBLE SOUTH OF A MILLPORT...TO WARRIOR...TO JACKSONVILLE
LINE THROUGH 8 PM.

.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 THROUGH TONIGHT.

In the hours before

Special weather statement, Jul 3, 7:21 PM CDT, 4 hours 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
721 PM CDT FRI JUL 3 2015

ALZ041-042-044-040115-
MONTGOMERY AL-AUTAUGA AL-LOWNDES AL-
721 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MONTGOMERY AND
NORTHEASTERN LOWNDES COUNTIES UNTIL 815 PM CDT...

AT 721 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
LOWNDESBORO...OR NEAR HAYNEVILLE...MOVING NORTHEAST AT 35 MPH.

WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
MONTGOMERY...PRATTVILLE...HAYNEVILLE...PIKE ROAD...COOSADA...
LOWNDESBORO...MOUNT MEIGS...CANTELOUS...DANNELLY FIELD...AUBURN
UNIVERSITY IN MONTGOMERY...BOYLSTON...WAUGH...ALABAMA STATE
UNIVERSITY...WOODCREST...BOB WOODRUFF LAKE...GUNTER AIR FORCE BASE...
SNOWDOUN...LAGOON PARK...EASTDALE MALL AND HOPE HULL.

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 3232 8668 3246 8641 3241 8641 3243 8640
      3243 8635 3241 8631 3244 8632 3249 8631
      3247 8629 3250 8625 3245 8618 3243 8619
      3243 8613 3242 8612 3241 8605 3242 8603
      3234 8599 3232 8596 3230 8596 3215 8658
TIME...MOT...LOC 0021Z 241DEG 30KT 3228 8655

17/KLAWS

Special weather statement, Jul 3, 7:38 PM CDT, 3 hours 52 minutes before

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Special weather statement, Jul 3, 7:45 PM CDT, 3 hours 45 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
745 PM CDT FRI JUL 3 2015

ALZ031-040130-
GREENE AL-
745 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN GREENE COUNTY UNTIL 830
PM CDT...

AT 744 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
NEW WEST GREENE...OR 11 MILES SOUTH OF ALICEVILLE...MOVING EAST AT 25
MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
EUTAW...UNION...NEW WEST GREENE...MANTUA...KNOXVILLE...WEST GREENE...
CLINTON...I 20 REST AREA NEAR EUTAW...LEWISTON...PLEASANT RIDGE...
SNODDY AND NEW MOUNT HEBRON.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3294 8817 3296 8819 3296 8816 3300 8817
      3304 8815 3305 8807 3304 8804 3307 8801
      3309 8783 3302 8783 3302 8771 3300 8771
      3298 8775 3295 8773 3293 8777 3290 8777
      3290 8781 3284 8783 3286 8816 3292 8821
TIME...MOT...LOC 0044Z 269DEG 22KT 3296 8815

17/KLAWS

Special weather statement, Jul 3, 8:07 PM CDT, 3 hours 23 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
807 PM CDT FRI JUL 3 2015

ALZ011-012-040200-
MARION AL-LAMAR AL-
807 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR LAMAR AND MARION COUNTIES UNTIL
900 PM CDT...

AT 806 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR NEW SALEM TO 6 MILES
SOUTHWEST OF DETROIT TO NEAR BEDFORD TO NEAR COLUMBUS AFB TO BENT
OAK...AND MOVING EAST AT 45 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
HAMILTON...WINFIELD...VERNON...SULLIGENT...MILLPORT...GUIN...
HACKLEBURG...BRILLIANT...GLEN ALLEN...KENNEDY...DETROIT...
BEAVERTON...GU-WIN...BLOOMING GROVE...CREWS...LAMAR COUNTY AIRPORT...
BRINN...BEDFORD...LAKE BUTTAHATCHEE AND WESTON.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3424 8818 3431 8791 3431 8764 3392 8764
      3392 8795 3353 8795 3353 8827
TIME...MOT...LOC 0106Z 256DEG 40KT 3414 8829 3396 8824 3379 8826 3359
8840 3343 8853

17/KLAWS

Special weather statement, Jul 3, 8:36 PM CDT, 2 hours 54 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
836 PM CDT FRI JUL 3 2015

ALZ037-043-040215-
TALLAPOOSA AL-ELMORE AL-
836 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR TALLAPOOSA AND ELMORE COUNTIES
UNTIL 915 PM CDT...

AT 835 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR ALEXANDER CITY TO NEAR
EQUALITY TO TEN CEDAR ESTATES TO DEATSVILLE...AND MOVING EAST AT 45
MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ALEXANDER CITY...WETUMPKA...TALLASSEE...DADEVILLE...CAMP HILL...
ELMORE...DEATSVILLE...ECLECTIC...JACKSONS' GAP...WAVERLY...KOWALIGA
BRIDGE...WESTERN LAKE MARTIN...JORDAN LAKE...TALLAPOOSA CITY...
EASTERN LAKE MARTIN...TEN CEDAR ESTATES...REEVES AIRPORT...WEOKA
MILLS...TITUS AND MARTIN DAM.

LAT...LON 3270 8570 3260 8570 3258 8572 3258 8580
      3249 8580 3249 8589 3248 8585 3247 8587
      3245 8588 3245 8594 3257 8641 3275 8641
      3275 8634 3277 8634 3275 8632 3276 8601
      3299 8601 3298 8559 3273 8559
TIME...MOT...LOC 0135Z 267DEG 39KT 3293 8600 3272 8608 3267 8627 3263
8640

17/KLAWS

Special weather statement, Jul 3, 10:40 PM CDT, 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1040 PM CDT FRI JUL 3 2015

ALZ025-033-035-039>041-040445-
PERRY AL-CHILTON AL-MARENGO AL-DALLAS AL-AUTAUGA AL-SHELBY AL-
1040 PM CDT FRI JUL 3 2015

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL DALLAS...NORTHERN
MARENGO...SOUTHEASTERN SHELBY...PERRY...CHILTON AND NORTHWESTERN
AUTAUGA COUNTIES UNTIL 1145 PM CDT...

AT 1039 PM CDT...DOPPLER RADAR WAS TRACKING A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR SHELBY COUNTY AIRPORT
TO LAWLEY TO NEAR VAIDEN TO NEAR JEFFERSON...AND MOVING EAST AT 40
MPH.

WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ALABASTER...PELHAM...SELMA...CALERA...CLANTON...MONTEVALLO...
COLUMBIANA...VALLEY GRANDE...MARION...JEMISON...WILSONVILLE...
UNIONTOWN...SELMONT-WEST SELMONT...JEFFERSON...THORSBY...
HARPERSVILLE...MAPLESVILLE...WILTON...ORRVILLE AND BILLINGSLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

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

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3238 8804 3248 8769 3248 8752 3253 8752
      3284 8704 3284 8688 3305 8688 3306 8691
      3326 8679 3334 8637 3329 8636 3328 8643
      3320 8646 3318 8650 3312 8646 3306 8652
      3293 8651 3287 8647 3250 8664 3228 8722
TIME...MOT...LOC 0339Z 263DEG 35KT 3321 8675 3284 8696 3254 8746 3240
8796

17/KLAWS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 3, 7:01 PM CDT	Special Weather Statement	BMX	Lowndes	44 min
Jul 3, 7:21 PM CDT	Special Weather Statement	BMX	Montgomery	54 min
Jul 3, 7:38 PM CDT	Special Weather Statement	BMX	Tuscaloosa	52 min
Jul 3, 7:45 PM CDT	Special Weather Statement	BMX	Greene	45 min
Jul 3, 8:07 PM CDT	Special Weather Statement	BMX	Lamar, Marion	53 min
Jul 3, 8:36 PM CDT	Special Weather Statement	BMX	Elmore, Tallapoosa	39 min
Jul 3, 10:40 PM CDT	Special Weather Statement	BMX	Autauga, Chilton, Dallas, Perry, Shelby	65 min
Jul 3, 11:36 PM CDT	Special Weather Statement	BMX	Elmore	54 min
Jul 4, 12:06 AM CDT	Special Weather Statement	BMX	Chambers	39 min
Jul 4, 12:13 AM CDT	Severe Thunderstorm Warning	BMX	Chambers, Randolph	28 min
Jul 4, 12:20 AM CDT	Special Weather Statement	BMX	Lee	40 min
Jul 4, 12:34 AM CDT	Areal Flood Advisory	BMX	Marion, Winston	3 hr
Jul 4, 12:39 AM CDT	Special Weather Statement	BMX	Macon	51 min
Jul 4, 2:47 AM CDT	Flash Flood Watch	BMX	Blount, Calhoun, Cherokee, Clay, Cleburne, Etowah and 12 more	20 hr
Jul 4, 3:59 AM CDT	Areal Flood Advisory	BMX	Jefferson	3 hr
Jul 4, 4:11 AM CDT	Flash Flood Warning	BMX	Fayette, Lamar, Marion, Walker, Winston	6 hr
Jul 4, 6:25 AM CDT	River Flood Warning	BMX	Jefferson	21 hr
Jul 4, 6:29 AM CDT	Flash Flood Warning	BMX	Jefferson	3 hr
Jul 4, 7:30 AM CDT	Flash Flood Warning	BMX	Shelby	3 hr
Jul 4, 1:34 PM CDT	Special Weather Statement	BMX	Greene, Hale	41 min
Jul 4, 2:05 PM CDT	Special Weather Statement	BMX	Hale, Perry	55 min
Jul 4, 2:59 PM CDT	Special Weather Statement	BMX	Bibb, Chilton, Perry	61 min
Jul 4, 4:38 PM CDT	Special Weather Statement	BMX	Autauga	22 min
Jul 4, 5:08 PM CDT	Special Weather Statement	BMX	Montgomery	37 min
Jul 4, 5:23 PM CDT	Severe Thunderstorm Warning	BMX	Elmore, Tallapoosa	37 min
Jul 4, 5:55 PM CDT	Special Weather Statement	BMX	Macon, Tallapoosa	35 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2015 Every severe thunderstorm warning 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.