SPC Severe Thunderstorm Watch 555

WW 555 SEVERE TSTM ND SD WY 312115Z - 010400Z
      

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 555
NWS STORM PREDICTION CENTER NORMAN OK
415 PM CDT SAT JUL 31 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

       PARTS OF SOUTHWEST NORTH DAKOTA
       MUCH OF WESTERN SOUTH DAKOTA
       PARTS OF NORTHEAST WYOMING

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 415 PM UNTIL
1100 PM CDT.

HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES EAST AND WEST OF A LINE FROM 70 MILES NORTHEAST OF
LEMMON SOUTH DAKOTA TO 85 MILES WEST SOUTHWEST OF RAPID CITY
SOUTH DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 552...WW 553...WW 554...

DISCUSSION...SCATTERED STRONG/SEVERE THUNDERSTORMS WILL DEVELOP IN
AREA OF LOW LEVEL CONVERGENCE AND MDT INSTABILITY.  WITH STEEP LAPSE
RATES DAMAGING WINDS ALONG WITH LARGE HAIL WILL BE ASSOCIATED WITH
MOST INTENSE STORMS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
MOTION VECTOR 26025.


...HALES


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SPC Severe Thunderstorm Watch 553

WW 553 SEVERE TSTM KY TN 311850Z - 010200Z
      

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 553
NWS STORM PREDICTION CENTER NORMAN OK
250 PM EDT SAT JUL 31 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

       PARTS OF WESTERN AND SOUTHERN KENTUCKY
       MIDDLE TENNESSEE

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 250 PM UNTIL
1000 PM EDT.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
STATUTE MILES EAST AND WEST OF A LINE FROM 60 MILES WEST OF
CHATTANOOGA TENNESSEE TO 35 MILES WEST NORTHWEST OF BOWLING GREEN
KENTUCKY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 552...

DISCUSSION...THUNDERSTORMS WILL INCREASE IN NUMBER AND INTENSITY
ACROSS THE WATCH WITH THE AIR MASS NOW MDTLY UNSTABLE...VERY MOIST
AND VIRTUALLY UNCAPPED.  WITH 30KT OF SHEAR PRIMARY THREAT WILL BE
DAMAGING WINDS...PARTICULARLY AS STORMS EVOLVE INTO CLUSTERS/LINE
SEGMENTS AND ACCOMPANYING COLD POOLS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 29025.


...HALES


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SPC Severe Thunderstorm Watch 552

WW 552 SEVERE TSTM GA SC CW 311730Z - 010200Z
      

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 552
NWS STORM PREDICTION CENTER NORMAN OK
130 PM EDT SAT JUL 31 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

       LARGE PART OF NORTHERN AND EASTERN GEORGIA
       MUCH OF WESTERN AND SOUTHERN SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 130 PM UNTIL
1000 PM EDT.

HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 115
STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES WEST
NORTHWEST OF ANDERSON SOUTH CAROLINA TO 65 MILES EAST SOUTHEAST
OF SAVANNAH GEORGIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...BAND OF THUNDERSTORMS NOW CROSSING SRN APPALACHIANS
WILL INCREASE IN INTENSITY AS THEY MOVE SEWD INTO A MDTLY UNSTABLE
AND VERY MOIST AIR MASS.  ADDITIONAL SEVERE STORMS ARE LIKELY IN
ADVANCE OF THE DEVELOPING LINE IN THE UNSTABLE AIR MASS SEWD THRU
ERN GA/SRN SC.  PRIMARY THREAT WILL BE DAMAGING WINDS...PARTICULARLY
WHERE LINE SEGMENT/CLUSTERS CAN DEVELOP ORGANIZED COLD POOLS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION
VECTOR 29025.


...HALES


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SPC Severe Thunderstorm Watch 556 Status Reports

WW 0556 Status Reports
      

STATUS REPORT ON WW 556

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..GOSS..08/01/10

ATTN...WFO...FGF...BIS...


STATUS REPORT FOR WS 556 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

MNC069-089-113-119-125-135-010240-

MN 
.    MINNESOTA COUNTIES INCLUDED ARE

KITTSON              MARSHALL            PENNINGTON          
POLK                 RED LAKE            ROSEAU              


NDC005-009-013-019-023-035-049-061-063-067-069-071-075-079-095-
099-101-105-010240-

ND 
.    NORTH DAKOTA COUNTIES INCLUDED ARE

BENSON               BOTTINEAU           BURKE               
CAVALIER             DIVIDE              GRAND FORKS         
MCHENRY              MOUNTRAIL           NELSON              
PEMBINA              PIERCE              RAMSEY              
RENVILLE             ROLETTE             TOWNER              
WALSH                WARD                WILLIAMS            


THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES

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SPC Severe Thunderstorm Watch 555 Status Reports

WW 0555 Status Reports
      

STATUS REPORT ON WW 555

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 55 SW MBG TO
5 SW Y22 TO 30 NNW 2WX.

..GOSS..08/01/10

ATTN...WFO...BIS...UNR...ABR...


STATUS REPORT FOR WS 555 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

NDC001-011-029-037-041-047-051-059-085-087-010240-

ND 
.    NORTH DAKOTA COUNTIES INCLUDED ARE

ADAMS                BOWMAN              EMMONS              
GRANT                HETTINGER           LOGAN               
MCINTOSH             MORTON              SIOUX               
SLOPE                


SDC021-031-041-065-107-117-119-129-010240-

SD 
.    SOUTH DAKOTA COUNTIES INCLUDED ARE

CAMPBELL             CORSON              DEWEY               
HUGHES               POTTER              STANLEY             
SULLY                WALWORTH            


THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY.  PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.

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SPC Severe Thunderstorm Watch 553 Status Reports

WW 0553 Status Reports
      

STATUS REPORT ON WW 553

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 WSW HOP
TO 15 W HOP TO 50 NNW CSV.

WW 553 WILL BE ALLOWED TO EXPIRE AT 010200Z.

FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1523

..GARNER..08/01/10

ATTN...WFO...LMK...PAH...OHX...MRX...HUN...


STATUS REPORT FOR WS 553 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

TNC003-005-007-015-021-027-031-035-037-041-043-049-055-061-065-
081-083-085-087-099-101-111-115-117-119-125-133-135-137-141-147-
149-153-159-161-165-169-175-177-181-185-187-189-010200-

TN 
.    TENNESSEE COUNTIES INCLUDED ARE

BEDFORD              BENTON              BLEDSOE             
CANNON               CHEATHAM            CLAY                
COFFEE               CUMBERLAND          DAVIDSON            
DEKALB               DICKSON             FENTRESS            
GILES                GRUNDY              HAMILTON            
HICKMAN              HOUSTON             HUMPHREYS           
JACKSON              LAWRENCE            LEWIS               
MACON                MARION              MARSHALL            
MAURY                MONTGOMERY          OVERTON             
PERRY                PICKETT             PUTNAM              
ROBERTSON            RUTHERFORD          SEQUATCHIE          
SMITH                STEWART             SUMNER              
TROUSDALE            VAN BUREN           WARREN              
WAYNE                WHITE               WILLIAMSON          

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SPC Severe Thunderstorm Watch 552 Status Reports

WW 0552 Status Reports
      

STATUS REPORT ON WW 552

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 N MCN TO
25 E AHN TO 35 N AGS TO 40 NNW CAE.

WW 552 WILL BE ALLOWED TO EXPIRE AT 010200Z.

..GARNER..08/01/10

ATTN...WFO...FFC...CHS...CAE...GSP...


STATUS REPORT FOR WS 552 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

GAC009-029-031-033-043-051-073-103-107-109-125-141-163-165-167-
179-181-183-189-191-245-251-267-301-303-319-010200-

GA 
.    GEORGIA COUNTIES INCLUDED ARE

BALDWIN              BRYAN               BULLOCH             
BURKE                CANDLER             CHATHAM             
COLUMBIA             EFFINGHAM           EMANUEL             
EVANS                GLASCOCK            HANCOCK             
JEFFERSON            JENKINS             JOHNSON             
LIBERTY              LINCOLN             LONG                
MCDUFFIE             MCINTOSH            RICHMOND            
SCREVEN              TATTNALL            WARREN              
WASHINGTON           WILKINSON           


SCC003-005-009-011-013-015-017-027-029-035-037-039-049-053-063-
065-071-075-079-081-085-010200-

SC 
.    SOUTH CAROLINA COUNTIES INCLUDED ARE


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SPC MD 1523

MD 1523 CONCERNING SEVERE THUNDERSTORM WATCH 553... FOR PARTS OF S-CENTRAL KY AND MIDDLE TN

MESOSCALE DISCUSSION 1523
NWS STORM PREDICTION CENTER NORMAN OK
0811 PM CDT SAT JUL 31 2010

AREAS AFFECTED...PARTS OF S-CENTRAL KY AND MIDDLE TN

CONCERNING...SEVERE THUNDERSTORM WATCH 553...

VALID 010111Z - 010145Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 553
CONTINUES.

SURFACE OBSERVATIONS AT 01Z INDICATE DIURNAL COOLING OF THE AIR MASS
IS TAKING PLACE ACROSS VALID PORTIONS OF WW 553. MODIFIED 00Z BNA
RAOB AS WELL AS OBJECTIVE ANALYSIS GUIDANCE SHOW INCREASING CINH AND
SUBSTANTIALLY REDUCED MLCAPE VALUES OVER MUCH OF MIDDLE TN. AS A
RESULT...CLUSTERS OF STORMS OVER NRN MIDDLE TN WILL LIKELY CONTINUE
TO WEAKEN AS THEY MOVE S-SEWD...AND POSE A MINIMAL RISK FOR
ADDITIONAL SVR WIND/HAIL. THEREFORE...WW 553 SHOULD BE ALLOWED TO
EXPIRE AT 02Z.

..GARNER.. 08/01/2010

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...MRX...LMK...OHX...HUN...PAH...MEG...

LAT...LON   36408825 37188695 37168547 35018472 35028586 35268589
            35408626 35288679 35028682 35018775 36408825