SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 258
   NWS STORM PREDICTION CENTER NORMAN OK
   650 PM CDT SAT APR 30 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          ARKANSAS
   
   EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 650 PM
   UNTIL 200 AM CDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTH OF FORT SMITH
   ARKANSAS TO 30 MILES SOUTH OF JONESBORO ARKANSAS.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU8).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 257...
   
   DISCUSSION...TSTMS HAVE RECENTLY INCREASED IN COVERAGE AND INTENSITY
   FROM NE OF BVX TO W OF HOT...LIKELY IN RESPONSE TO A LOW-AMPLITUDE
   IMPULSE LIFTING NEWD FROM THE ARKLATEX.  THIS INITIAL ACTIVITY
   APPEARS TO BE AT LEAST SLIGHTLY ELEVATED.  HOWEVER...GIVEN THE WARM
   AND MOIST BOUNDARY LAYER IN PLACE NAMELY ALONG AND S OF THE I-40
   CORRIDOR...POTENTIAL WILL EXIST FOR STORMS TO BECOME SURFACE-BASED
   WITHIN A KINEMATIC ENVIRONMENT CHARACTERIZED BY 0-1 KM SRH OF
   250-300 M2/S2 PER LITTLE ROCK VWP.  WHILE LARGE HAIL WILL BE THE
   PRIMARY HAZARD...TORNADOES WILL BE POSSIBLE WITH ANY SUPERCELLS THAT
   CAN BECOME SURFACE-BASED.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24030.
   
   
   ...MEAD

   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 258
   NWS STORM PREDICTION CENTER NORMAN OK
   650 PM CDT SAT APR 30 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          ARKANSAS
   
   EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 650 PM
   UNTIL 200 AM CDT.
   
   SEVERAL TORNADOES
   WIDELY SCATTERED DAMAGING WINDS
   ISOLATED WIND GUSTS TO 70 MPH POSSIBLE
   SCATTERED LARGE HAIL
   ISOLATED HAIL TO 2.0 INCHES IN DIAMETER POSSIBLE
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTH OF FORT SMITH
   ARKANSAS TO 30 MILES SOUTH OF JONESBORO ARKANSAS.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU8).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 257...
   
   DISCUSSION...TSTMS HAVE RECENTLY INCREASED IN COVERAGE AND INTENSITY
   FROM NE OF BVX TO W OF HOT...LIKELY IN RESPONSE TO A LOW-AMPLITUDE
   IMPULSE LIFTING NEWD FROM THE ARKLATEX.  THIS INITIAL ACTIVITY
   APPEARS TO BE AT LEAST SLIGHTLY ELEVATED.  HOWEVER...GIVEN THE WARM
   AND MOIST BOUNDARY LAYER IN PLACE NAMELY ALONG AND S OF THE I-40
   CORRIDOR...POTENTIAL WILL EXIST FOR STORMS TO BECOME SURFACE-BASED
   WITHIN A KINEMATIC ENVIRONMENT CHARACTERIZED BY 0-1 KM SRH OF
   250-300 M2/S2 PER LITTLE ROCK VWP.  WHILE LARGE HAIL WILL BE THE
   PRIMARY HAZARD...TORNADOES WILL BE POSSIBLE WITH ANY SUPERCELLS THAT
   CAN BECOME SURFACE-BASED.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24030.
   
   
   ...MEAD

   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 258
   NWS STORM PREDICTION CENTER NORMAN OK
   650 PM CDT SAT APR 30 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          ARKANSAS
   
   EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 650 PM
   UNTIL 200 AM CDT.
   
   TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 40 MILES SOUTH OF FORT SMITH
   ARKANSAS TO 30 MILES SOUTH OF JONESBORO ARKANSAS.  FOR A COMPLETE
   DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
   (WOUS64 KWNS WOU8).
   
   REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
   TORNADOES AND 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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 257...
   
   DISCUSSION...TSTMS HAVE RECENTLY INCREASED IN COVERAGE AND INTENSITY
   FROM NE OF BVX TO W OF HOT...LIKELY IN RESPONSE TO A LOW-AMPLITUDE
   IMPULSE LIFTING NEWD FROM THE ARKLATEX.  THIS INITIAL ACTIVITY
   APPEARS TO BE AT LEAST SLIGHTLY ELEVATED.  HOWEVER...GIVEN THE WARM
   AND MOIST BOUNDARY LAYER IN PLACE NAMELY ALONG AND S OF THE I-40
   CORRIDOR...POTENTIAL WILL EXIST FOR STORMS TO BECOME SURFACE-BASED
   WITHIN A KINEMATIC ENVIRONMENT CHARACTERIZED BY 0-1 KM SRH OF
   250-300 M2/S2 PER LITTLE ROCK VWP.  WHILE LARGE HAIL WILL BE THE
   PRIMARY HAZARD...TORNADOES WILL BE POSSIBLE WITH ANY SUPERCELLS THAT
   CAN BECOME SURFACE-BASED.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24030.
   
   
   ...MEAD

   WOUS64 KWNS 302346
   WOU8
   
   BULLETIN - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH OUTLINE UPDATE FOR WT 258
   NWS STORM PREDICTION CENTER NORMAN OK
   650 PM CDT SAT APR 30 2011
   
   TORNADO WATCH 258 IS IN EFFECT UNTIL 200 AM CDT FOR THE
    FOLLOWING LOCATIONS
   
   ARC001-019-023-029-031-037-045-051-053-059-063-067-069-077-083-
   085-095-097-105-107-109-111-113-115-117-119-123-125-127-141-145-
   147-149-010700-
   /O.NEW.KWNS.TO.A.0258.110430T2350Z-110501T0700Z/
   
   AR 
   .    ARKANSAS COUNTIES INCLUDED ARE
   
   ARKANSAS             CLARK               CLEBURNE            
   CONWAY               CRAIGHEAD           CROSS               
   FAULKNER             GARLAND             GRANT               
   HOT SPRING           INDEPENDENCE        JACKSON             
   JEFFERSON            LEE                 LOGAN               
   LONOKE               MONROE              MONTGOMERY          
   PERRY                PHILLIPS            PIKE                
   POINSETT             POLK                POPE                
   PRAIRIE              PULASKI             SALINE              
   SCOTT                ST. FRANCIS         VAN BUREN           
   WHITE                WOODRUFF            YELL                
   
   
   ATTN...WFO...LZK...MEG...
   
   
   

   SAW8 
   WW 258 TORNADO AR 302350Z - 010700Z
   AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE..
   40S FSM/FORT SMITH AR/ - 30S JBR/JONESBORO AR/
   ..AVIATION COORDS.. 45NM N/S /38S FSM - 39WNW MEM/
   HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
   MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24030.
   
   LAT...LON 35479437 36119065 34669065 34029437
   
   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU8.
   

Watch 258 Status Report Messages:

STATUS REPORT #6 ON WW 258

VALID 010635Z - 010700Z

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 E DEQ TO
20 N LIT TO 20 SW JBR TO 10 ENE JBR.

WW 258 MAY BE ALLOWED TO EXPIRE AT 010700Z.

FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 677.

..EDWARDS..05/01/11

ATTN...WFO...LZK...MEG...

&&

STATUS REPORT FOR WT 258 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC031-037-077-107-111-123-010700-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

CRAIGHEAD	     CROSS		 LEE		     
PHILLIPS	     POINSETT		 ST. FRANCIS	     
$$


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.
$$

STATUS REPORT #5 ON WW 258

VALID 010535Z - 010640Z

SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SSE RKR
TO 10 NW RUE TO 25 SE FLP.

FOR ADDITIONAL INFORMATION SEE SPC MESOSCALE DISCUSSION 675.

..EDWARDS..05/01/11

ATTN...WFO...LZK...MEG...

&&

STATUS REPORT FOR WT 258 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC031-037-077-107-111-123-010640-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

CRAIGHEAD	     CROSS		 LEE		     
PHILLIPS	     POINSETT		 ST. FRANCIS	     
$$


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.
$$

STATUS REPORT #4 ON WW 258

VALID 010445Z - 010540Z

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 675.

..PETERS..05/01/11

ATTN...WFO...LZK...MEG...

&&

STATUS REPORT FOR WT 258 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC001-019-023-029-031-037-045-051-053-059-063-067-069-077-083-
085-095-097-105-107-109-111-113-115-117-119-123-125-127-141-145-
147-149-010540-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

ARKANSAS	     CLARK		 CLEBURNE	     
CONWAY		     CRAIGHEAD		 CROSS		     
FAULKNER	     GARLAND		 GRANT		     
HOT SPRING	     INDEPENDENCE	 JACKSON	     
JEFFERSON	     LEE		 LOGAN		     
LONOKE		     MONROE		 MONTGOMERY	     
PERRY		     PHILLIPS		 PIKE		     
POINSETT	     POLK		 POPE		     
PRAIRIE 	     PULASKI		 ST. FRANCIS	     
SALINE		     SCOTT		 VAN BUREN	     
WHITE		     WOODRUFF		 YELL		     
$$


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.
$$

STATUS REPORT #3 ON WW 258

VALID 010340Z - 010440Z

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..PETERS..05/01/11

ATTN...WFO...LZK...MEG...

&&

STATUS REPORT FOR WT 258 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC001-019-023-029-031-037-045-051-053-059-063-067-069-077-083-
085-095-097-105-107-109-111-113-115-117-119-123-125-127-141-145-
147-149-010440-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

ARKANSAS	     CLARK		 CLEBURNE	     
CONWAY		     CRAIGHEAD		 CROSS		     
FAULKNER	     GARLAND		 GRANT		     
HOT SPRING	     INDEPENDENCE	 JACKSON	     
JEFFERSON	     LEE		 LOGAN		     
LONOKE		     MONROE		 MONTGOMERY	     
PERRY		     PHILLIPS		 PIKE		     
POINSETT	     POLK		 POPE		     
PRAIRIE 	     PULASKI		 ST. FRANCIS	     
SALINE		     SCOTT		 VAN BUREN	     
WHITE		     WOODRUFF		 YELL		     
$$


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.
$$

STATUS REPORT #2 ON WW 258

VALID 010235Z - 010340Z

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..PETERS..05/01/11

ATTN...WFO...LZK...MEG...

&&

STATUS REPORT FOR WT 258 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC001-019-023-029-031-037-045-051-053-059-063-067-069-077-083-
085-095-097-105-107-109-111-113-115-117-119-123-125-127-141-145-
147-149-010340-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

ARKANSAS	     CLARK		 CLEBURNE	     
CONWAY		     CRAIGHEAD		 CROSS		     
FAULKNER	     GARLAND		 GRANT		     
HOT SPRING	     INDEPENDENCE	 JACKSON	     
JEFFERSON	     LEE		 LOGAN		     
LONOKE		     MONROE		 MONTGOMERY	     
PERRY		     PHILLIPS		 PIKE		     
POINSETT	     POLK		 POPE		     
PRAIRIE 	     PULASKI		 ST. FRANCIS	     
SALINE		     SCOTT		 VAN BUREN	     
WHITE		     WOODRUFF		 YELL		     
$$


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.
$$

STATUS REPORT #1 ON WW 258

VALID 010125Z - 010240Z

THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.

..GRAMS..05/01/11

ATTN...WFO...LZK...MEG...

&&

STATUS REPORT FOR WT 258 

SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 

ARC001-019-023-029-031-037-045-051-053-059-063-067-069-077-083-
085-095-097-105-107-109-111-113-115-117-119-123-125-127-141-145-
147-149-010240-

AR 
.    ARKANSAS COUNTIES INCLUDED ARE

ARKANSAS	     CLARK		 CLEBURNE	     
CONWAY		     CRAIGHEAD		 CROSS		     
FAULKNER	     GARLAND		 GRANT		     
HOT SPRING	     INDEPENDENCE	 JACKSON	     
JEFFERSON	     LEE		 LOGAN		     
LONOKE		     MONROE		 MONTGOMERY	     
PERRY		     PHILLIPS		 PIKE		     
POINSETT	     POLK		 POPE		     
PRAIRIE 	     PULASKI		 ST. FRANCIS	     
SALINE		     SCOTT		 VAN BUREN	     
WHITE		     WOODRUFF		 YELL		     
$$


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.
$$

Please visit the National Weather Service Interactive Weather Information Network (IWIN) for more information on the warnings.

For each watch, probabilities for particular events inside the watch (listed above in each table) are determined by the issuing forecaster. The "Low" category contains probability values ranging from less than 2% to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities), "Moderate" from 30% to 60%, and "High" from 70% to greater than 95%. High values are bolded and lighter in color to provide awareness of an increased threat for a particular event.