Alert archive / Alabama / Special Weather Statements in 2014
Special Weather Statement, NWS Birmingham, AL
NWS Birmingham, AL issued this special weather statement at Oct 12, 2014, 5:27 PM CDT for Walker County, Alabama. It was in force for 48 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
- Oct 12, 2014, 5:27 PM CDT (22:27 UTC)
- Expired
- Oct 12, 2014, 6:15 PM CDT
- In force
- 48 min
- Issued by
- NWS Birmingham, AL
County Walker County, AL
The radar
The Columbus AFB radar (KGWX), 86 km from the middle of the area, began a volume at 22:28 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 12:00Z, 10.5 hours before the alert went out and 96 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.
- Mixed-layer CAPE
- 647 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 702 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Oct 12, 3:56 PM CDT, 1 hour 31 minutes earlier.
Area forecast discussion, Oct 12, 3:56 PM CDT, 1 hour 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BIRMINGHAM AL 356 PM CDT SUN OCT 12 2014 .DISCUSSION... FIRST OFF...LETS DEAL WITH THE REMAINDER OF THE AFTERNOON AND EVENING. THE MAIN SYNOPTIC FRONT AND THE SMALLER SCALE BOUNDARIES HAVE ALL LIFTED NORTHWARD TODAY AS SOUTHERLY FLOW INCREASES AREA WIDE. THE AIR MASS SOUTH OF THE FRONT WITH LESSER CLOUDS HAS BECOME UNSTABLE. SB CAPES ARE IN THE 1500 RANGE...0-6KM BULK SHEARS ARE AROUND 35KTS...BUT LOW LEVEL FORCING AND MID LEVEL LAPSE RATES ARE WEAK. ADDITIONALLY...PRECIP WATER VALUES HAVE GONE OVER 1.50 INCHES IN THE NORTHWEST. SO FOR THE AFTERNOON INTO THE EVENING HOURS...A FEW STRONG STORMS ARE POSSIBLE GENERALLY NORTH OF INTERSTATE 20. THE MORE SUSTAINED UPDRAFTS WILL BE CAPABLE OF PRODUCING SOME DIME SIZE HAIL...LOCALLY HEAVY RAIN AND WIND GUSTS 40 TO 50 MPH. THE BIG WEATHER CHALLENGE AND MOST IMPACTFUL SCENARIO COMES MONDAY NIGHT INTO TUESDAY. A HIGHLY MERIDIONAL/NEUTRAL TROUGH APPROACHES THE AREA WITH A LOW BRIEFLY CUTTING OFF ALOFT. THE PAST SEVERAL DAYS...MODEL GUIDANCE HAS BEEN BOUNCING AROUND MAINLY WITH THE OVERALL TIMING BUT SLOWER HAS BEEN THE TREND. THE MODE AND EVOLUTION OF THE THUNDERSTORMS REMAINS PROBLEMATIC AT THIS TIME. THERE CERTAINLY WILL BE A MORE ORGANIZED SQUALL LINE DEVELOP TO OUR WEST AS AMPLE BULK SHEAR AND LINEAR FORCING ARE PRESENT. AS THIS LINE APPROACHES...UPPER LEVEL IMPULSES ROTATING AROUND THE TROUGH MAY ALLOW A PERIOD OF WEAKENING AND THEN STRENGTHENING LATE MONDAY INTO TUESDAY. ADDITIONALLY...IT APPEARS THAT SOME STORMS MAY DEVELOP AHEAD OF THE ORGANIZED LINE...WHICH WOULD HAVE A GREATER RISK OF TORNADO DEVELOPMENT AS HODOGRAPHS ARE FAIRLY LARGE AND LCL ARE LOW ENOUGH. LOOKING AT SOME ANALOGUE DATA...ONLY A FEW PREVIOUS SYSTEM WERE EVEN CLOSE TO THIS PARTICULAR SETUP. THESE SYSTEMS DID PRODUCE SOME SEVERE WEATHER INCLUDING SOME TORNADOES CLOSE TO CENTRAL ALABAMA. SO FOR THIS PACKAGE...GENERALLY BROKE THE TIME FRAMES OUT AND SLOWED THINGS DOWN A TOUCH. THERE WILL BE A CHANCE OF SOME ACTIVITY BY EARLY MONDAY EVENING WEST...AHEAD OF THE ORGANIZED SQUALL LINE. THIS WOULD INCLUDE ISOLATED SUPERCELLS. THEN THE LINE MOVES THROUGH THE WESTERN HALF OVERNIGHT. AREAS EAST OF INTERSTATE 65 WILL EXPERIENCE SOME ISOLATED STORM THREAT AFTER 10 PM...BUT UPPER LEVEL WINDS WILL BECOME LESS FARVORABLE FOR CELLS WITH TIME. THE LINE WILL GENERALLY REACH EASTERN AREAS AFTER DAYBREAK ON TUESDAY. THEN THE SQUALL LINE EXITS BY EARLY AFTERNOON INTO GEORGIA. THE MAIN THREAT WITH THIS SYSTEM APPEARS TO BE DAMAGING STRAIGHT LINE WINDS. ADDITIONAL THREATS DO INCLUDE TORNADOES...QUARTER SIZE HAIL...AND LOCALIZED VERY HEAVY RAIN. PLEASE REMEMBER...DO NOT CONCENTRATE ON THE SPECIFICS IN ANY EVENT. WEATHER CAN CHANGE RAPIDLY. BE READY TO TAKE ACTION IF A WATCH OF WARNING BECOMES NECESSARY DURING THE TIME FRAME OF MONDAY NIGHT INTO TUESDAY. DUE TO THE MODEL CONSENSUS AT LEAST BRIEFLY DEVELOPING A CLOSED LOW ALOFT...EXTENDED A SLIGHT CHANCE OF SHOWERS FOR THE NORTHERN HALF INTO TUESDAY NIGHT AND WEDNESDAY. BEYOND WEDNESDAY...MUCH DRIER AND COOLER CONDITIONS WILL PERSIST THE REMAINDER OF THE PERIOD. 75 && .AVIATION... 18Z TAF DISCUSSION. SHOWERS AND THUNDERSTORMS HAVE MOVED NORTH OF THE TAF TERMINAL ACROSS CENTRAL ALABAMA. A SURFACE BOUNDARY REMAINS DRAPED ALONG AND NORTH OF INTERSTATE 59. MEANWHILE...AN UPPER LEVEL SHORTWAVE WILL CONTINUE TO MOVE EAST ACROSS CENTRAL ALABAMA. THIS WILL LEAVE THE AREA IN A RELATIVELY MOIST AND UNSTABLE ATMOSPHERE DURING THE AFTERNOON. OUTFLOW BOUNDARIES FROM THIS MORNINGS ACTIVITY WILL LIKELY PRODUCE ADDITIONAL THUNDERSTORM DEVELOP THIS AFTERNOON. WHILE THE CONFIDENCE ON TIMING IS RELATIVELY LOW AT THIS TIME...CURRENT TRENDS POINT TO ACTIVITY DEVELOPING AROUND 19Z ACROSS THE WEST AND THEN POSSIBLY MOVING EAST. AS OF NOW...IT APPEARS THAT THE ACTIVITY WILL REMAIN NORTH OF MGM AND TOI. THUNDERSTORMS ARE EXPECTED TO DIMINISH AND MOVE OUT OF THE AREA SHORTLY AFTER SUNSET TONIGHT. MODELS ARE STILL IN AGREEMENT ABOUT THE ISENTROPIC LIFT ACROSS THE AREA ON MONDAY MORNING. THEREFORE...KEPT THE MVFR CIGS ACROSS ALL TERMINALS. WITH THE ABUNDANCE OF LOW LEVEL MOISTURE...CEILINGS ARE NOT EXPECTED TO IMPROVE MUCH UNTIL THE EARLY AFTERNOON. NOTE...THE NATIONAL WEATHER SERVICE WILL CONTINUE ISSUING SEASONAL TERMINAL FORECASTS FOR THE TALLADEGA MUNICIPAL AIRPORT (KASN) IN TALLADEGA...ALABAMA THROUGH AT LEAST THE 23RD OF OCTOBER. 75 && .PRELIMINARY POINT TEMPS/POPS... GADSDEN 63 84 67 72 53 / 50 40 100 80 20 ANNISTON 65 84 70 73 54 / 30 40 100 90 20 BIRMINGHAM 67 84 68 73 55 / 40 50 100 60 20 TUSCALOOSA 68 85 66 72 54 / 30 60 100 50 10 CALERA 66 84 68 73 54 / 30 50 100 60 20 AUBURN 67 85 71 79 54 / 10 40 100 90 10 MONTGOMERY 67 87 69 78 53 / 10 50 100 80 10 TROY 65 86 71 79 52 / 10 50 90 80 10 && .BMX WATCHES/WARNINGS/ADVISORIES... NONE. &&
Hazardous weather outlook, Oct 12, 1:40 PM CDT, 3 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BIRMINGHAM AL 140 PM CDT SUN OCT 12 2014 ALZ011>015-017>050-131845- 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- 140 PM CDT SUN OCT 12 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE COUNTIES SERVED BY THE NATIONAL WEATHER SERVICE OFFICE IN BIRMINGHAM. .DAY ONE...THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY. CONFIDENCE CONTINUES TO INCREASE IN THE POTENTIAL FOR SEVERE WEATHER FOR LATE MONDAY AND TUESDAY. AT THIS TIME...THERE APPEARS TO BE TWO DISTINCT THREATS. FIRST...DURING THE LATE AFTERNOON AND EVENING HOURS ON MONDAY...ISOLATED DISCRETE SUPERCELLS CAPABLE OF PRODUCING TORNADOES WILL BE POSSIBLE IN THE FAR WEST. SECOND...A SQUALL LINE CAPABLE OF PRODUCING WIDESPREAD WIND DAMAGE AND EMBEDDED TORNADOES WILL MOVE ACROSS THE WEST AFTER MIDNIGHT MONDAY NIGHT...AND ACROSS THE EAST TUESDAY MORNING. THERE MAY ALSO BE THE POTENTIAL FOR SUPERCELLS TO REDEVELOP IN THE FAR SOUTHEAST TUESDAY AFTERNOON...BUT CONFIDENCE IS LOWER IN THIS PORTION OF THE THREAT. ALTHOUGH SEVERE WEATHER WILL BE POSSIBLE ACROSS ALL OF CENTRAL ALABAMA...THE GREATEST THREAT WILL BE WEST OF A LINE FROM SELMA TO BIRMINGHAM. THE MAIN THREAT WILL BE DAMAGING STRAIGHT LINE WINDS OF 60 MPH OR GREATER. THERE IS A SLIGHTLY LOWER THREAT OF ISOLATED TORNADOES AND LOCALIZED FLASH FLOODING. .SPOTTER INFORMATION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT MAY BE NEEDED FROM LATE MONDAY AFTERNOON INTO TUESDAY MORNING. 32/02
In the hours before
Special weather statement, Oct 12, 12:18 PM CDT, 5 hours 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
1218 PM CDT SUN OCT 12 2014
ALZ014-121800-
WINSTON AL-
1218 PM CDT SUN OCT 12 2014
...SIGNIFICANT WEATHER ADVISORY FOR WINSTON COUNTY UNTIL 100 PM
CDT...
AT 1215 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR LYNN...MOVING EAST NORTHEAST AT 25 MPH.
WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM.
LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
ARLEY...
WINSTON FREE STATE BARN...
DOUBLE SPRINGS...
HOUSTON RECREATIONAL AREA...
CORINTH REC AREA...
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 3430 8710 3411 8711 3400 8754 3400 8761
3407 8764 3417 8764 3431 8727 3430 8711
TIME...MOT...LOC 1718Z 249DEG 23KT 3410 8752
75Special weather statement, Oct 12, 2:04 PM CDT, 3 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
204 PM CDT SUN OCT 12 2014
ALZ011-121945-
MARION AL-
204 PM CDT SUN OCT 12 2014
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN MARION COUNTY UNTIL
245 PM CDT...
AT 204 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR GUIN...OR 8 MILES WEST OF WINFIELD...MOVING
NORTHEAST AT 20 MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
WINFIELD...
GU-WIN...
BRILLIANT...
LAKE BUTTAHATCHEE...
TWIN...
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
&&
LAT...LON 3424 8763 3397 8763 3391 8778 3392 8780
3392 8795 3402 8795 3402 8798 3404 8798
TIME...MOT...LOC 1904Z 240DEG 18KT 3397 8790
19Special weather statement, Oct 12, 2:51 PM CDT, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
251 PM CDT SUN OCT 12 2014
ALZ014-122030-
WINSTON AL-
251 PM CDT SUN OCT 12 2014
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN WINSTON COUNTY UNTIL 330
PM CDT...
AT 251 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM NEAR LYNN...MOVING EAST AT 25 MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
LYNN...
ASHBANK...
POPLAR SPRINGS...
MCDOWELL CAMP GROUNDS...
WINSTON FREE STATE BARN...
IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
&&
LAT...LON 3427 8734 3403 8725 3399 8740 3400 8763
3415 8764
TIME...MOT...LOC 1951Z 248DEG 20KT 3406 8759
19Special weather statement, Oct 12, 3:53 PM CDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 353 PM CDT SUN OCT 12 2014 ALZ012-122130- LAMAR AL- 353 PM CDT SUN OCT 12 2014 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LAMAR COUNTY UNTIL 430 PM CDT... AT 351 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG THUNDERSTORM NEAR VERNON...MOVING EAST AT 25 MPH. PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... BLOOMING GROVE... CODY... TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. && LAT...LON 3378 8816 3385 8795 3367 8795 3366 8813 TIME...MOT...LOC 2053Z 257DEG 20KT 3373 8808 GRANTHAM
Special weather statement, Oct 12, 5:05 PM CDT, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BIRMINGHAM AL
505 PM CDT SUN OCT 12 2014
ALZ013-122230-
FAYETTE AL-
505 PM CDT SUN OCT 12 2014
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL FAYETTE COUNTY UNTIL 530
PM CDT...
AT 506 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG
THUNDERSTORM 7 MILES NORTH OF BANKSTON...OR 9 MILES NORTHEAST OF
FAYETTE...MOVING EAST AT 25 MPH.
PEA SIZE HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
FOWLERS CROSSROADS...
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
&&
LAT...LON 3388 8763 3387 8753 3375 8753 3370 8775
3381 8781
TIME...MOT...LOC 2206Z 252DEG 23KT 3378 8768
GRANTHAMSpecial weather statement, Oct 12, 5:27 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BIRMINGHAM AL 527 PM CDT SUN OCT 12 2014 ALZ013-015-122315- FAYETTE AL-WALKER AL- 527 PM CDT SUN OCT 12 2014 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN WALKER AND NORTHEASTERN FAYETTE COUNTIES UNTIL 615 PM CDT... AT 525 PM CDT...THE NATIONAL WEATHER SERVICE WAS TRACKING A STRONG THUNDERSTORM 7 MILES SOUTH OF KANSAS...OR 7 MILES SOUTHWEST OF CARBON HILL...MOVING NORTHEAST AT 25 MPH. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... CARBON HILL... TOWNLEY... CEDRUM AREA... HOLLY GROVE... LUPTON... TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. && LAT...LON 3389 8719 3376 8757 3382 8763 3400 8741 TIME...MOT...LOC 2228Z 235DEG 20KT 3382 8757 GRANTHAM
The office that day
Everything else NWS Birmingham, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 11, 7:44 PM CDT | Special Weather Statement | BMX | Fayette | 46 min |
| Oct 11, 7:45 PM CDT | Special Weather Statement | BMX | Winston | 30 min |
| Oct 12, 12:18 PM CDT | Special Weather Statement | BMX | Winston | 42 min |
| Oct 12, 2:04 PM CDT | Special Weather Statement | BMX | Marion | 41 min |
| Oct 12, 2:51 PM CDT | Special Weather Statement | BMX | Winston | 39 min |
| Oct 12, 3:18 PM CDT | Areal Flood Advisory | BMX | Marion, Winston | 9 hr |
| Oct 12, 3:53 PM CDT | Special Weather Statement | BMX | Lamar | 37 min |
| Oct 12, 5:05 PM CDT | Special Weather Statement | BMX | Fayette | 25 min |
| Oct 12, 6:03 PM CDT | Severe Thunderstorm Warning | BMX | Walker | 30 min |
Nearby
Special Weather Statements in Alabama, 2014Every special weather statement in 2014
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.