Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 109
NWS Storm Prediction Center Norman OK
530 PM EDT Sat Apr 1 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Delaware
Eastern Maryland
New Jersey
Southeast Pennsylvania
Coastal Waters
* Effective this Saturday afternoon and evening from 530 PM until
1000 PM EDT.
* Primary threats include...
A few tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Isolated thunderstorms are developing near Chesapeake Bay,
while other storms are expected to form during the evening
along/ahead of an approaching front. The strongest cells may become
supercells, with the risk of large hail, damaging winds, and a few
tornadoes.
The tornado watch area is approximately along and 35 statute miles
east and west of a line from 40 miles north northwest of Newark NJ
to 25 miles southwest of Salisbury MD. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU9).
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 106...WW 107...WW 108...
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 24035.
...Hart
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 109
NWS Storm Prediction Center Norman OK
530 PM EDT Sat Apr 1 2023
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Delaware
Eastern Maryland
New Jersey
Southeast Pennsylvania
Coastal Waters
* Effective this Saturday afternoon and evening from 530 PM until
1000 PM EDT.
* Primary threats include...
A few tornadoes possible
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Isolated thunderstorms are developing near Chesapeake Bay,
while other storms are expected to form during the evening
along/ahead of an approaching front. The strongest cells may become
supercells, with the risk of large hail, damaging winds, and a few
tornadoes.
The tornado watch area is approximately along and 35 statute miles
east and west of a line from 40 miles north northwest of Newark NJ
to 25 miles southwest of Salisbury MD. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU9).
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 106...WW 107...WW 108...
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 24035.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 109 TORNADO DE MD NJ PA CW 012130Z - 020200Z
AXIS..35 STATUTE MILES EAST AND WEST OF LINE..
40NNW EWR/NEWARK NJ/ - 25SW SBY/SALISBURY MD/
..AVIATION COORDS.. 30NM E/W /10NNE SAX - 22SW SBY/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24035.
LAT...LON 41237379 38077518 38077647 41237514
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 109 Status Report Messages:
STATUS REPORT #3 ON WW 109
VALID 020035Z - 020140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 WSW NHK
TO 20 WNW SBY TO 15 S JFK.
..THORNTON..04/02/23
ATTN...WFO...PHI...AKQ...
&&
STATUS REPORT FOR WT 109
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC005-020140-
DE
. DELAWARE COUNTIES INCLUDED ARE
SUSSEX
$$
MDC039-045-047-020140-
MD
. MARYLAND COUNTIES INCLUDED ARE
SOMERSET WICOMICO WORCESTER
$$
NJC001-009-029-020140-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC CAPE MAY OCEAN
$$
ANZ431-020140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
$$
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.
$$
STATUS REPORT #2 ON WW 109
VALID 012340Z - 020040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 ESE BWI
TO 20 WNW DOV TO 15 NE PHL TO 25 SE POU.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 435
..THORNTON..04/01/23
ATTN...WFO...PHI...AKQ...
&&
STATUS REPORT FOR WT 109
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-005-020040-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT SUSSEX
$$
MDC011-019-035-039-041-045-047-020040-
MD
. MARYLAND COUNTIES INCLUDED ARE
CAROLINE DORCHESTER QUEEN ANNE'S
SOMERSET TALBOT WICOMICO
WORCESTER
$$
NJC001-005-007-009-011-015-025-029-033-020040-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
MONMOUTH OCEAN SALEM
$$
ANZ431-020040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 109
VALID 012255Z - 012340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 SSW ABE TO
30 S POU TO 20 SSE POU.
..THORNTON..04/01/23
ATTN...WFO...PHI...AKQ...
&&
STATUS REPORT FOR WT 109
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC001-003-005-012340-
DE
. DELAWARE COUNTIES INCLUDED ARE
KENT NEW CASTLE SUSSEX
$$
MDC011-019-029-035-039-041-045-047-012340-
MD
. MARYLAND COUNTIES INCLUDED ARE
CAROLINE DORCHESTER KENT
QUEEN ANNE'S SOMERSET TALBOT
WICOMICO WORCESTER
$$
NJC001-005-007-009-011-015-019-021-023-025-027-029-033-035-
012340-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
HUNTERDON MERCER MIDDLESEX
MONMOUTH MORRIS OCEAN
SALEM SOMERSET
$$
PAC017-029-045-091-101-012340-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
BUCKS CHESTER DELAWARE
MONTGOMERY PHILADELPHIA
$$
ANZ430-431-012340-
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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability of 1 or more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (90%)
|
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.
weather.gov 
@NWSSPC
