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.
SEL6
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 206
NWS Storm Prediction Center Norman OK
635 PM EDT Thu May 1 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southern and Central Pennsylvania
* Effective this Thursday evening from 635 PM until 1100 PM EDT.
* Primary threats include…
Scattered damaging wind gusts to 70 mph possible
Isolated very large hail events to 2 inches in diameter possible
SUMMARY…Strong to severe storms in the vicinity of a warm front
advancing northward will be capable of strong to severe gusts (55-70
mph) and large hail. This activity will spread northeastward
through the Watch with a gradual weakening expected towards mid to
late evening.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 45 miles south
southwest of Dubois PA to 60 miles east southeast of State College
PA. For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU6).
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 203…WW 204…WW 205…
AVIATION…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 450. Mean storm motion vector
22035.
…Smith
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW6
WW 206 SEVERE TSTM PA 012235Z – 020300Z
AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE..
45SSW DUJ/DUBOIS PA/ – 60ESE UNV/STATE COLLEGE PA/
..AVIATION COORDS.. 45NM N/S /24NW JST – 20NNE HAR/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 22035.
LAT…LON 41307923 41247679 39797679 39847923
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 206 Status Report Message has not been issued yet.
Note: Click for Complete Product Text.Tornadoes
Probability of 2 or more tornadoes
Low (10%)
Probability of 1 or more strong (EF2-EF5) tornadoes
Low ( 65 knots
Low (20%)
Hail
Probability of 10 or more severe hail events
Mod (30%)
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 (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.