Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 244
NWS Storm Prediction Center Norman OK
350 PM EDT Wed Jun 3 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern Delaware
Far northeast Maryland
Southern New Jersey
Central to southeast Pennsylvania
Coastal Waters
* Effective this Wednesday afternoon and evening from 350 PM
until 1000 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
A tornado or two possible
SUMMARY...A couple supercells should evolve southeast from central
Pennsylvania and may consolidate into a small cluster that
progresses towards the southern New Jersey coast.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 5 miles north northwest
of State College PA to 15 miles east northeast of Atlantic City NJ.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU4).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 243...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 450. Mean storm motion vector
30035.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 244 SEVERE TSTM DE MD NJ PA CW 031950Z - 040200Z
AXIS..40 STATUTE MILES NORTH AND SOUTH OF LINE..
5NNW UNV/STATE COLLEGE PA/ - 15ENE ACY/ATLANTIC CITY NJ/
..AVIATION COORDS.. 35NM N/S /5E PSB - 18SSE CYN/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 30035.
LAT...LON 41507789 40117432 38957432 40347789
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 244 Status Report Messages:
STATUS REPORT #2 ON WW 244
VALID 040025Z - 040200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W CXY TO
20 NNW CXY TO 30 ENE CXY TO 30 SSW ABE TO 15 NW TTN.
WW 244 WILL BE ALLOWED TO EXPIRE AT 040200Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 804
..LYONS..06/04/20
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WS 244
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC003-040200-
DE
. DELAWARE COUNTIES INCLUDED ARE
NEW CASTLE
$$
MDC015-040200-
MD
. MARYLAND COUNTIES INCLUDED ARE
CECIL
$$
NJC001-005-007-009-011-015-029-033-040200-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
OCEAN SALEM
$$
PAC001-017-029-041-043-045-071-075-091-099-101-133-040200-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BUCKS CHESTER
CUMBERLAND DAUPHIN DELAWARE
LANCASTER LEBANON MONTGOMERY
PERRY PHILADELPHIA YORK
$$
ANZ430-431-451-452-453-454-040200-
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 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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 244
VALID 040020Z - 040200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 W CXY TO
20 NNW CXY TO 30 ENE CXY TO 30 SSW ABE TO 15 NW TTN.
WW 244 WILL BE ALLOWED TO EXPIRE AT 040200Z.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 804
..LYONS..06/04/20
ATTN...WFO...PHI...CTP...
&&
STATUS REPORT FOR WS 244
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
DEC003-040200-
DE
. DELAWARE COUNTIES INCLUDED ARE
NEW CASTLE
$$
MDC015-040200-
MD
. MARYLAND COUNTIES INCLUDED ARE
CECIL
$$
NJC001-005-007-009-011-015-029-033-040200-
NJ
. NEW JERSEY COUNTIES INCLUDED ARE
ATLANTIC BURLINGTON CAMDEN
CAPE MAY CUMBERLAND GLOUCESTER
OCEAN SALEM
$$
PAC001-011-017-029-041-043-045-067-071-075-077-091-099-101-107-
133-040200-
PA
. PENNSYLVANIA COUNTIES INCLUDED ARE
ADAMS BERKS BUCKS
CHESTER CUMBERLAND DAUPHIN
DELAWARE JUNIATA LANCASTER
LEBANON LEHIGH MONTGOMERY
PERRY PHILADELPHIA SCHUYLKILL
YORK
$$
ANZ430-431-451-452-453-454-040200-
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 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
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
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% (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.
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