

690 

WWUS20 KWNS 181311

SEL1

SPC WW 181311

ALZ000-KYZ000-MSZ000-TNZ000-182000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 51

NWS STORM PREDICTION CENTER NORMAN OK

810 AM CDT MON MAR 18 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN ALABAMA

       EXTREME SOUTHERN KENTUCKY

       NORTHEASTERN MISSISSIPPI

       MIDDLE AND PARTS OF EASTERN TENNESSEE



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 810 AM UNTIL 300

PM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH OF

TUPELO MISSISSIPPI TO 50 MILES NORTH NORTHWEST OF CROSSVILLE

TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 STG-SVR CONVECTION FROM VICINITY TN/KY BORDER

SSWWD TO NRN MS IS BECOMING BETTER ORGANIZED.  EXPECT CORRESPONDING

INCREASE IN SVR POTENTIAL AS ACTIVITY ENCOUNTERS BOUNDARY LAYER THAT

WILL BECOME INCREASINGLY UNSTABLE WITH TIME...AND WILL CONTAIN MORE

SFC-BASED EFFECTIVE INFLOW PARCELS.  DEEP SHEAR WILL REMAIN

FAVORABLE FOR PRIMARY THREAT OF DAMAGING WIND...AND OCNL HAIL ALSO

IS POSSIBLE.  BRIEF QLCS TORNADO CANNOT BE RULED OUT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 25035.





...EDWARDS



089 

WWUS20 KWNS 181311

SEL1

SPC WW 181311

ALZ000-KYZ000-MSZ000-TNZ000-182000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 51

NWS STORM PREDICTION CENTER NORMAN OK

810 AM CDT MON MAR 18 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN ALABAMA

       EXTREME SOUTHERN KENTUCKY

       NORTHEASTERN MISSISSIPPI

       MIDDLE AND PARTS OF EASTERN TENNESSEE



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 810 AM UNTIL 300

PM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH OF

TUPELO MISSISSIPPI TO 50 MILES NORTH NORTHWEST OF CROSSVILLE

TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 STG-SVR CONVECTION FROM VICINITY TN/KY BORDER

SSWWD TO NRN MS IS BECOMING BETTER ORGANIZED.  EXPECT CORRESPONDING

INCREASE IN SVR POTENTIAL AS ACTIVITY ENCOUNTERS BOUNDARY LAYER THAT

WILL BECOME INCREASINGLY UNSTABLE WITH TIME...AND WILL CONTAIN MORE

SFC-BASED EFFECTIVE INFLOW PARCELS.  DEEP SHEAR WILL REMAIN

FAVORABLE FOR PRIMARY THREAT OF DAMAGING WIND...AND OCNL HAIL ALSO

IS POSSIBLE.  BRIEF QLCS TORNADO CANNOT BE RULED OUT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 25035.





...EDWARDS



358 

WWUS20 KWNS 181311

SEL1

SPC WW 181311

ALZ000-KYZ000-MSZ000-TNZ000-182000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 51...RESENT

NWS STORM PREDICTION CENTER NORMAN OK

810 AM CDT MON MAR 18 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN ALABAMA

       EXTREME SOUTHERN KENTUCKY

       NORTHEASTERN MISSISSIPPI

       MIDDLE AND PARTS OF EASTERN TENNESSEE



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 810 AM UNTIL 300

PM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH OF

TUPELO MISSISSIPPI TO 50 MILES NORTH NORTHWEST OF CROSSVILLE

TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 STG-SVR CONVECTION FROM VICINITY TN/KY BORDER

SSWWD TO NRN MS IS BECOMING BETTER ORGANIZED.  EXPECT CORRESPONDING

INCREASE IN SVR POTENTIAL AS ACTIVITY ENCOUNTERS BOUNDARY LAYER THAT

WILL BECOME INCREASINGLY UNSTABLE WITH TIME...AND WILL CONTAIN MORE

SFC-BASED EFFECTIVE INFLOW PARCELS.  DEEP SHEAR WILL REMAIN

FAVORABLE FOR PRIMARY THREAT OF DAMAGING WIND...AND OCNL HAIL ALSO

IS POSSIBLE.  BRIEF QLCS TORNADO CANNOT BE RULED OUT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 25035.





...EDWARDS



900 

WWUS20 KWNS 181311

SEL1

SPC WW 181311

ALZ000-KYZ000-MSZ000-TNZ000-182000-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 51...RESENT

NWS STORM PREDICTION CENTER NORMAN OK

810 AM CDT MON MAR 18 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN ALABAMA

       EXTREME SOUTHERN KENTUCKY

       NORTHEASTERN MISSISSIPPI

       MIDDLE AND PARTS OF EASTERN TENNESSEE



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 810 AM UNTIL 300

PM CDT.



HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 75

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES SOUTH OF

TUPELO MISSISSIPPI TO 50 MILES NORTH NORTHWEST OF CROSSVILLE

TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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 STG-SVR CONVECTION FROM VICINITY TN/KY BORDER

SSWWD TO NRN MS IS BECOMING BETTER ORGANIZED.  EXPECT CORRESPONDING

INCREASE IN SVR POTENTIAL AS ACTIVITY ENCOUNTERS BOUNDARY LAYER THAT

WILL BECOME INCREASINGLY UNSTABLE WITH TIME...AND WILL CONTAIN MORE

SFC-BASED EFFECTIVE INFLOW PARCELS.  DEEP SHEAR WILL REMAIN

FAVORABLE FOR PRIMARY THREAT OF DAMAGING WIND...AND OCNL HAIL ALSO

IS POSSIBLE.  BRIEF QLCS TORNADO CANNOT BE RULED OUT.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 25035.





...EDWARDS

