MIL-OSI USA: SPC Tornado Watch 510

3

Source: US National Oceanic and Atmospheric Administration

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL0

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 510
NWS Storm Prediction Center Norman OK
220 PM EDT Wed Sep 22 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Eastern Ohio
Western Pennsylvania
Northern West Virginia
Lake Erie

* Effective this Wednesday afternoon and evening from 220 PM
until 1000 PM EDT.

* Primary threats include…
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible

SUMMARY…Thunderstorms will intensify this afternoon along a cold
front over eastern Ohio, and track northeastward across the watch
area. Locally damaging winds are the main threat with these storms,
although tornadoes are possible in the most intense cells.

The tornado watch area is approximately along and 55 statute miles
east and west of a line from 20 miles west northwest of Erie PA to
30 miles west southwest of Morgantown WV. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU0).

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.

&&

AVIATION…Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 21035.

…Hart

SEL0

URGENT – IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 510
NWS Storm Prediction Center Norman OK
220 PM EDT Wed Sep 22 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of
Eastern Ohio
Western Pennsylvania
Northern West Virginia
Lake Erie

* Effective this Wednesday afternoon and evening from 220 PM
until 1000 PM EDT.

* Primary threats include…
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph possible

SUMMARY…Thunderstorms will intensify this afternoon along a cold
front over eastern Ohio, and track northeastward across the watch
area. Locally damaging winds are the main threat with these storms,
although tornadoes are possible in the most intense cells.

The tornado watch area is approximately along and 55 statute miles
east and west of a line from 20 miles west northwest of Erie PA to
30 miles west southwest of Morgantown WV. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU0).

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.

&&

AVIATION…Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 21035.

…Hart

Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW0
WW 510 TORNADO OH PA WV LE 221820Z – 230200Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
20WNW ERI/ERIE PA/ – 30WSW MGW/MORGANTOWN WV/
..AVIATION COORDS.. 50NM E/W /15NW ERI – 37SSE AIR/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 21035.

LAT…LON 42197947 39487941 39488147 42198162

THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.

Watch 510 Status Report Message has not been issued yet.

Note:  Click for Complete Product Text.TornadoesProbability of 2 or more tornadoes

Mod (40%)

Probability of 1 or more strong (EF2-EF5) tornadoes

Low (20%)

WindProbability of 10 or more severe wind events

Mod (40%)

Probability of 1 or more wind events > 65 knots

Low (20%)

HailProbability of 10 or more severe hail events

Low ( 2 inches

Low (

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