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The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 483
NWS Storm Prediction Center Norman OK
1240 PM EDT Wed Sep 1 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Delaware
Eastern Maryland
New Jersey
Southeast Pennsylvania
Coastal Waters
* Effective this Wednesday afternoon and evening from 1240 PM
until 1000 PM EDT.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
SUMMARY...Discrete lower-topped supercells developing across eastern
Virginia will spread east-northeast as a broader cluster into this
evening. Tornadoes and damaging winds are expected.
The tornado watch area is approximately along and 60 statute miles
north and south of a line from 25 miles east southeast of Trenton NJ
to 40 miles west southwest of Wilmington DE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 482...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 25030.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 483 TORNADO DE MD NJ PA CW 011640Z - 020200Z
AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
25ESE TTN/TRENTON NJ/ - 40WSW ILG/WILMINGTON DE/
..AVIATION COORDS.. 50NM N/S /19N CYN - 32E EMI/
WIND GUSTS..65 KNOTS.
MAX TOPS TO 450.MEAN STORM MOTION VECTOR 25030.
LAT...LON 39277437 38597628 40327628 41017437
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 483 Status Report Messages:
STATUS REPORT #6 ON WW 483
VALID 020130Z - 020240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 SSW DOV
TO 10 NE ILG TO 25 NNW EWR.
..WENDT..09/02/21
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WT 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC005-020240-
DE
. DELAWARE COUNTIES INCLUDED ARE
SUSSEX
$$
NJC001-005-007-009-011-015-021-023-025-027-029-033-035-020240-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
MERCER MIDDLESEX MONMOUTH
MORRIS OCEAN SALEM
SOMERSET
$$
PAC045-101-020240-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
DELAWARE PHILADELPHIA
$$
ANZ431-450-451-452-453-454-455-020240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
$$
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.
$$
STATUS REPORT #5 ON WW 483
VALID 012345Z - 020040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE BWI TO
20 NNW PHL TO 35 WNW EWR.
..WENDT..09/01/21
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WT 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-020040-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
MDC011-029-035-041-020040-
MD
. MARYLAND COUNTIES INCLUDED ARE
CAROLINE KENT QUEEN ANNE'S
TALBOT
$$
NJC001-005-007-009-011-015-019-021-023-025-027-029-033-035-
020040-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
SALEM SOMERSET
$$
PAC017-045-101-020040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
BUCKS DELAWARE PHILADELPHIA
$$
ANZ430-431-450-451-452-453-454-455-020040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
$$
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.
$$
STATUS REPORT #4 ON WW 483
VALID 012240Z - 012340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1674
..WENDT..09/01/21
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WT 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-012340-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
MDC011-029-035-041-012340-
MD
. MARYLAND COUNTIES INCLUDED ARE
CAROLINE KENT QUEEN ANNE'S
TALBOT
$$
NJC001-005-007-009-011-015-019-021-023-025-027-029-033-035-041-
012340-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
SALEM SOMERSET WARREN
$$
PAC011-017-029-045-077-091-095-101-012340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
BERKS BUCKS CHESTER
DELAWARE LEHIGH MONTGOMERY
NORTHAMPTON PHILADELPHIA
$$
ANZ430-431-450-451-452-453-454-455-012340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
$$
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.
$$
STATUS REPORT #3 ON WW 483
VALID 012020Z - 012140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..JEWELL..09/01/21
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WT 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-012140-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
MDC011-029-035-041-012140-
MD
. MARYLAND COUNTIES INCLUDED ARE
CAROLINE KENT QUEEN ANNE'S
TALBOT
$$
NJC001-005-007-009-011-015-019-021-023-025-027-029-033-035-041-
012140-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
SALEM SOMERSET WARREN
$$
PAC001-011-017-029-045-071-077-091-095-101-133-012140-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BERKS BUCKS
CHESTER DELAWARE LANCASTER
LEHIGH MONTGOMERY NORTHAMPTON
PHILADELPHIA YORK
$$
ANZ430-431-450-451-452-453-454-455-012140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
$$
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.
$$
STATUS REPORT #2 ON WW 483
VALID 011925Z - 012040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1671
..JEWELL..09/01/21
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WT 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-012040-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
MDC011-029-035-041-012040-
MD
. MARYLAND COUNTIES INCLUDED ARE
CAROLINE KENT QUEEN ANNE'S
TALBOT
$$
NJC001-005-007-009-011-015-019-021-023-025-027-029-033-035-041-
012040-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
SALEM SOMERSET WARREN
$$
PAC001-011-017-029-045-071-077-091-095-101-133-012040-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BERKS BUCKS
CHESTER DELAWARE LANCASTER
LEHIGH MONTGOMERY NORTHAMPTON
PHILADELPHIA YORK
$$
ANZ430-431-450-451-452-453-454-455-012040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
$$
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.
$$
STATUS REPORT #1 ON WW 483
VALID 011825Z - 011940Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..JEWELL..09/01/21
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WT 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-011940-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
MDC011-029-035-041-011940-
MD
. MARYLAND COUNTIES INCLUDED ARE
CAROLINE KENT QUEEN ANNE'S
TALBOT
$$
NJC001-005-007-009-011-015-019-021-023-025-027-029-033-035-041-
011940-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
SALEM SOMERSET WARREN
$$
PAC001-011-017-029-045-071-077-091-095-101-133-011940-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BERKS BUCKS
CHESTER DELAWARE LANCASTER
LEHIGH MONTGOMERY NORTHAMPTON
PHILADELPHIA YORK
$$
ANZ430-431-450-451-452-453-454-455-011940-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM
COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20
NM
COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM
COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM
COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
$$
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
|
High (70%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Mod (30%)
|
Wind
Probability of 10 or more severe wind events
|
High (70%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (80%)
|
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% (EF2-EF5 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.