Severe Thunderstorm Warning 53, NWS Huntsville, AL

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1244 PM CDT FRI JUN 6 2014

.UPDATE...
FOR 18Z TAFS

&&

.DISCUSSION...
/ISSUED 1050 AM CDT FRI JUN 6 2014/
ANOTHER DAY...AND MORE CHANCES OF SHOWERS AND THUNDERSTORMS THIS
AFTERNOON/EVENING. ALOFT...A WNW-ESE MID/UPPER FLOW REGIME WAS
PRESENT ACROSS THE EASTERN CONUS. AT THE SURFACE...A WEAK
STATIONARY BOUNDARY EXTENDED WEST-EAST FROM NE OKLAHOMA TO NEAR
MEMPHIS...NORTH OF LYNCHBURG AND CHATTANOOGA...TO THE COASTAL
CAROLINAS. THE ABOVE NOTED FRONT BOUNDARY HAD SAGGED A BIT MORE TO
THE SOUTH THAN IT WAS AT THIS TIME YESTERDAY. THE UPPER FLOW WAS
BRINGING A SERIES OF UPPER LEVEL DISTURBANCES ACROSS THE AREA. ONE
OF THOSE DISTURBANCES WAS RESULTING IN A THUNDERSTORM COMPLEX
MOVING IN A WNW-ESE FASHION ACROSS OUR MIDDLE TENNESSEE COUNTIES.
OTHER MORE ISOLATED/WEAKER CONVECTION HAD FORMED EAST OF I-65...
NOW MOVING ACROSS NE ALABAMA.

A LARGE THUNDERSTORM COMPLEX NOW MOVING ACROSS OKLAHOMA SHOULD
CONTINUE ITS MOVEMENT GENERALLY ALONG THE ABOVE NOTED BOUNDARY.
TIMING FROM LAST NIGHTS MESOSCALE MODELS...AND THE NEW NAM BRING
THIS SYSTEM...AND/OR DEVELOPMENT THAT OCCURS EAST OF IT ACROSS THE
FORECAST AREA LATER THIS AFTERNOON AND EVENING. SUCH WAS THE CASE
WAS YESTERDAY...ANOTHER BOUT OF STRONG TO SEVERE STORMS IS A
POSSIBILITY. EXPECTED STORM STRENGTH TODAY DOES NOT LOOK AS ROBUST
AS WAS THE CASE YESTERDAY. THE MAIN THREATS FROM THE STRONGER
STORMS TODAY WILL BE STRONG TO DAMAGING WIND GUSTS...FREQUENT
LIGHTNING AND LOCALLY HEAVY RAINFALL.

THE STORMS PER NEW GUIDANCE APPEARS WILL TRACK/AFFECT AREAS A BIT
FURTHER TO THE SOUTH THAN YESTERDAYS ACTIVITY. THAT BEING SAID...
WILL KEEP LIKELY POPS THIS AFTERNOON GIVEN VARIANCE IN POSSIBLE
STORM COVERAGE.

RSB

&&

.AVIATION...
FOR 18Z TAFS...
UNSETTLED WEATHER WILL CONTINUE ACROSS THE REGION INTO THE EVENING
AS PASSING UPPER DISTURBANCES...ALONG WITH UNSTABLE CONDITIONS WILL
CONTINUE SHOWER/THUNDERSTORM CHANCES. THE MOST NUMEROUS CONVECTION
IS EXPECTED THIS AFTERNOON/EVENING...WITH BOTH TERMINALS SUBJECT TO
ERRATIC/GUSTY WINDS AND MVFR (POSSIBLY LOWER) CIG/VIS. SHOWER
ACTIVITY SHOULD DIMINISH THIS EVENING...WITH VFR WEATHER INTO LATE
NIGHT. MVFR FOG/MIST IS POSSIBLE AROUND DAYBREAK SAT...WITH MORE
CONVECTION AGAIN TOWARD THE END OF THE TAF.

RSB

&&

.HUN WATCHES/WARNINGS/ADVISORIES...
AL...NONE.
TN...NONE.
&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE
AT WEATHER.GOV/HUNTSVILLE.

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SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
145 PM CDT FRI JUN 6 2014

ALZ007-008-016-061930-
CULLMAN AL-MARSHALL AL-MORGAN AL-
145 PM CDT FRI JUN 6 2014

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN CULLMAN...
SOUTHWESTERN MARSHALL AND SOUTHEASTERN MORGAN UNTIL 230 PM CDT...

AT 145 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM NEAR
PRICEVILLE...OR 9 MILES EAST OF HARTSELLE...MOVING SOUTHEAST AT 30
MPH.

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

LOCATIONS IMPACTED INCLUDE...
GUNTERSVILLE...ARAB...MORGAN CITY...SOMERVILLE...BAILEYTON...EVA...
UNION GROVE...VALHERMOSO SPRINGS...EDDY AND RYAN CROSSROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG GUSTY WINDS WILL BE CAPABLE OF KNOCKING DOWN SMALL TREE
LIMBS...ALONG WITH OTHER SMALL UNSECURED ITEMS. SEEK SAFE SHELTER
UNTIL THIS STORM HAS PASSED.

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

&&

LAT...LON 3421 8642 3426 8644 3426 8649 3425 8650
      3425 8652 3423 8652 3422 8654 3442 8691
      3456 8682 3455 8676 3456 8674 3438 8624
      3417 8637
TIME...MOT...LOC 1845Z 298DEG 27KT 3447 8678

RSB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
151 PM CDT FRI JUN 6 2014

ALZ004-007-061915-
MORGAN AL-LAWRENCE AL-
151 PM CDT FRI JUN 6 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MORGAN AND
SOUTHEASTERN LAWRENCE COUNTIES UNTIL 215 PM CDT...

AT 150 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
MOULTON...MOVING SOUTHEAST AT 25 MPH.

LOCATIONS IMPACTED INCLUDE...
DECATUR...HARTSELLE...MOULTON...BASHAM...SPEAKE...CHALYBEATE
SPRINGS...MASSEY...WREN...DANVILLE AND NEEL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG GUSTY WINDS WILL BE CAPABLE OF KNOCKING DOWN SMALL TREE
LIMBS...ALONG WITH OTHER SMALL UNSECURED ITEMS. SEEK SAFE SHELTER
UNTIL THIS STORM HAS PASSED.

&&

LAT...LON 3445 8739 3461 8728 3448 8688 3431 8699
      3431 8711 3430 8711 3430 8713
TIME...MOT...LOC 1850Z 298DEG 22KT 3450 8726

RSB

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
223 PM CDT FRI JUN 6 2014

ALZ008-062015-
MARSHALL AL-
223 PM CDT FRI JUN 6 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MARSHALL  UNTIL 315 PM
CDT...

AT 223 PM CDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR ALBERTVILLE TO NEAR
STRAWBERRY...AND MOVING SOUTHEAST AT 20 MPH.

PENNY SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH
THESE STORMS.

LOCATIONS IMPACTED INCLUDE...
ALBERTVILLE...BOAZ...DOUGLAS...HYATT...HORTON...MOUNTAIN VIEW...
RABBIT TOWN...MCVILLE AND HIGH POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STRONG GUSTY WINDS WILL BE CAPABLE OF KNOCKING DOWN SMALL TREE
LIMBS...ALONG WITH OTHER SMALL UNSECURED ITEMS. SEEK SAFE SHELTER
UNTIL THIS LINE OF STORMS HAS PASSED.

&&

LAT...LON 3421 8642 3424 8644 3426 8644 3426 8646
      3429 8646 3429 8648 3430 8648 3431 8612
      3430 8611 3419 8610 3418 8619 3410 8630
TIME...MOT...LOC 1923Z 299DEG 16KT 3428 8616 3427 8652

12

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