Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 463
NWS STORM PREDICTION CENTER NORMAN OK
1150 AM EDT THU JUN 18 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
MUCH OF THE FLORIDA PENINSULA
EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1150 AM UNTIL
700 PM EDT.
HAIL TO 2 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 70
STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES WEST
NORTHWEST OF JACKSONVILLE FLORIDA TO 25 MILES SOUTHEAST OF NAPLES
FLORIDA. 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 459...WW 460...WW
461...WW 462...
DISCUSSION...THUNDERSTORMS WILL INCREASE IN NUMBER AND INTENSITY
THRU THE AFTERNOON AS THE AIR MASS MDTLY UNSTABLE WITH STEEP MID
LEVEL LAPSE RATES. SEVERE THUNDERSTORMS EXPECTED...PARTICULARLY
ASSOCIATED WITH LOW LEVEL CONVERGENCE ALONG SEA BREEZE FRONTS AS
THEY MOVE INLAND.
AVIATION...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 550. MEAN STORM
MOTION VECTOR 36015.
...HALES
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 463 SEVERE TSTM FL 181550Z - 182300Z
AXIS..70 STATUTE MILES EAST AND WEST OF LINE..
30WNW JAX/JACKSONVILLE FL/ - 25SE APF/NAPLES FL/
..AVIATION COORDS.. 60NM E/W /38WNW CRG - 46SSE FMY/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 550. MEAN STORM MOTION VECTOR 36015.
LAT...LON 30658097 25888036 25888261 30658331
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 463 Status Report Messages:
STATUS REPORT #6 ON WW 463
VALID 182130Z - 182240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 NNW CTY
TO 20 SSE OCF TO 25 E PIE TO 35 W AGR TO 15 SW MLB TO 5 N MLB.
..SPC..06/18/09
ATTN...WFO...JAX...MLB...TBW...
&&
STATUS REPORT FOR WS 463
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC015-017-021-027-043-049-051-053-055-057-061-071-075-081-093-
101-103-111-115-182240-
FL
. FLORIDA COUNTIES INCLUDED ARE
CHARLOTTE CITRUS COLLIER
DESOTO GLADES HARDEE
HENDRY HERNANDO HIGHLANDS
HILLSBOROUGH INDIAN RIVER LEE
LEVY MANATEE OKEECHOBEE
PASCO PINELLAS ST. LUCIE
SARASOTA
$$
GMZ656-830-850-853-856-182240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM
TAMPA BAY WATERS
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM
$$
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.
$$
STATUS REPORT #5 ON WW 463
VALID 182035Z - 182140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNW CTY
TO 20 SSW ORL TO 40 N MLB.
..GARNER..06/18/09
ATTN...WFO...JAX...MLB...TBW...
&&
STATUS REPORT FOR WS 463
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC009-015-017-021-027-043-049-051-053-055-057-061-071-075-081-
093-097-101-103-105-111-115-182140-
FL
. FLORIDA COUNTIES INCLUDED ARE
BREVARD CHARLOTTE CITRUS
COLLIER DESOTO GLADES
HARDEE HENDRY HERNANDO
HIGHLANDS HILLSBOROUGH INDIAN RIVER
LEE LEVY MANATEE
OKEECHOBEE OSCEOLA PASCO
PINELLAS POLK ST. LUCIE
SARASOTA
$$
GMZ656-830-850-853-856-182140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM
TAMPA BAY WATERS
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 463
VALID 181940Z - 182040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 NNW CTY
TO 15 SE OCF TO 25 E DAB.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1208
..GARNER..06/18/09
ATTN...WFO...JAX...MLB...TBW...
&&
STATUS REPORT FOR WS 463
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC009-015-017-021-027-043-049-051-053-055-057-061-069-071-075-
081-093-095-097-101-103-105-111-115-117-119-127-182040-
FL
. FLORIDA COUNTIES INCLUDED ARE
BREVARD CHARLOTTE CITRUS
COLLIER DESOTO GLADES
HARDEE HENDRY HERNANDO
HIGHLANDS HILLSBOROUGH INDIAN RIVER
LAKE LEE LEVY
MANATEE OKEECHOBEE ORANGE
OSCEOLA PASCO PINELLAS
POLK ST. LUCIE SARASOTA
SEMINOLE SUMTER VOLUSIA
$$
GMZ656-830-850-853-856-182040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM
TAMPA BAY WATERS
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM
$$
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.
$$
STATUS REPORT #3 ON WW 463
VALID 181835Z - 181940Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 ESE VLD
TO 45 NNE CTY TO 30 NNE GNV TO 20 NE OCF TO 30 NE DAB.
..GARNER..06/18/09
ATTN...WFO...JAX...MLB...TBW...
&&
STATUS REPORT FOR WS 463
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC001-007-009-015-017-021-027-041-043-049-051-053-055-057-061-
069-071-075-081-083-093-095-097-101-103-105-111-115-117-119-125-
127-181940-
FL
. FLORIDA COUNTIES INCLUDED ARE
ALACHUA BRADFORD BREVARD
CHARLOTTE CITRUS COLLIER
DESOTO GILCHRIST GLADES
HARDEE HENDRY HERNANDO
HIGHLANDS HILLSBOROUGH INDIAN RIVER
LAKE LEE LEVY
MANATEE MARION OKEECHOBEE
ORANGE OSCEOLA PASCO
PINELLAS POLK ST. LUCIE
SARASOTA SEMINOLE SUMTER
UNION VOLUSIA
$$
GMZ656-830-850-853-856-181940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM
TAMPA BAY WATERS
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 463
VALID 181730Z - 181840Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 WNW JAX
TO 15 E GNV TO 35 ESE SGJ.
..GARNER..06/18/09
ATTN...WFO...JAX...MLB...TBW...
&&
STATUS REPORT FOR WS 463
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC001-003-007-009-015-017-021-023-027-035-041-043-047-049-051-
053-055-057-061-069-071-075-081-083-093-095-097-101-103-105-107-
111-115-117-119-121-125-127-181840-
FL
. FLORIDA COUNTIES INCLUDED ARE
ALACHUA BAKER BRADFORD
BREVARD CHARLOTTE CITRUS
COLLIER COLUMBIA DESOTO
FLAGLER GILCHRIST GLADES
HAMILTON HARDEE HENDRY
HERNANDO HIGHLANDS HILLSBOROUGH
INDIAN RIVER LAKE LEE
LEVY MANATEE MARION
OKEECHOBEE ORANGE OSCEOLA
PASCO PINELLAS POLK
PUTNAM ST. LUCIE SARASOTA
SEMINOLE SUMTER SUWANNEE
UNION VOLUSIA
$$
GMZ656-830-850-853-856-181840-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM CHOKOLOSKEE TO BONITA BEACH FL OUT 20 NM
TAMPA BAY WATERS
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM
$$
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.
$$
STATUS REPORT #1 ON WW 463
VALID 181630Z - 181740Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..MEAD..06/18/09
ATTN...WFO...JAX...MLB...TBW...
&&
STATUS REPORT FOR WS 463
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC001-003-007-009-015-017-019-023-027-031-035-041-047-049-053-
055-057-061-069-071-075-081-083-089-093-095-097-101-103-105-107-
109-111-115-117-119-121-125-127-181740-
FL
. FLORIDA COUNTIES INCLUDED ARE
ALACHUA BAKER BRADFORD
BREVARD CHARLOTTE CITRUS
CLAY COLUMBIA DESOTO
DUVAL FLAGLER GILCHRIST
HAMILTON HARDEE HERNANDO
HIGHLANDS HILLSBOROUGH INDIAN RIVER
LAKE LEE LEVY
MANATEE MARION NASSAU
OKEECHOBEE ORANGE OSCEOLA
PASCO PINELLAS POLK
PUTNAM ST. JOHNS ST. LUCIE
SARASOTA SEMINOLE SUMTER
SUWANNEE UNION VOLUSIA
$$
GMZ830-850-853-856-181740-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
TAMPA BAY WATERS
COASTAL WATERS FROM TARPON SPRINGS TO SUWANNEE RIVER FL OUT 20 NM
COASTAL WATERS FROM ENGLEWOOD TO TARPON SPRINGS FL OUT 20 NM
COASTAL WATERS FROM BONITA BEACH TO ENGLEWOOD FL OUT 20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
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.
weather.gov 
