Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 416
NWS Storm Prediction Center Norman OK
720 AM EDT Tue Aug 4 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southern Connecticut
New Jersey
Southeast New York
Southeast Pennsylvania
Coastal Waters
* Effective this Tuesday morning and afternoon from 720 AM until
400 PM EDT.
* Primary threats include...
A few tornadoes likely
SUMMARY...Band of persistent low-topped supercells across southeast
Maryland should rapidly move north-northeast across parts of the
Northeast Megalopolis into this afternoon. Additional cells are
possible just ahead of this band as well.
The tornado watch area is approximately along and 60 statute miles
east and west of a line from 20 miles south southeast of
Philadelphia PA to 25 miles north northeast of Bridgeport CT. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU6).
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 415...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0.5 inches. Extreme turbulence and surface wind
gusts to 50 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 17045.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 416 TORNADO CT NJ NY PA CW 041120Z - 042000Z
AXIS..60 STATUTE MILES EAST AND WEST OF LINE..
20SSE PHL/PHILADELPHIA PA/ - 25NNE BDR/BRIDGEPORT CT/
..AVIATION COORDS.. 50NM E/W /33NNW SIE - 29SSW BDL/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..50 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 17045.
LAT...LON 39597623 41507410 41507179 39597398
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 416 Status Report Message has not been issued yet.
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
High (70%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Low (10%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
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
|
Low (20%)
|
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
