Tornado Watch 185

Issued

May 1, 2017, 2:12 PM EDT (18:12 UTC)

Expired

May 1, 2017, 10:00 PM EDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

65 kt

The Buffalo radar (KBUF), 115 km from the middle of the area, began a volume at 18:14 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

50%

One or more EF2 to EF5 tornadoes

30%

Ten or more severe wind reports

90%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 623May 1, 1:41 PM EDT
• Mesoscale Discussion 626May 1, 4:36 PM EDT
• Mesoscale Discussion 627May 1, 6:29 PM EDT

906 
WWUS20 KWNS 011808
SEL5  
SPC WW 011808
NYZ000-PAZ000-LEZ000-LOZ000-020200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 185
NWS Storm Prediction Center Norman OK
210 PM EDT Mon May 1 2017

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Western and central New York
  Northern and central Pennsylvania
  Lake Erie
  Lake Ontario

* Effective this Monday afternoon and evening from 210 PM until
  1000 PM EDT.

* Primary threats include...
  A few tornadoes and a couple intense tornadoes possible
  Widespread damaging winds likely with isolated significant gusts
    to 75 mph possible

SUMMARY...A fast-moving line of storms is expected to progress
across parts of New York and Pennsylvania into this evening.
Damaging wind will be the primary hazard, with a few tornadoes also
possible.

The tornado watch area is approximately along and 85 statute miles
either side of a line from 15 miles east northeast of Watertown NY
to 45 miles west northwest of Altoona PA. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU5).

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 184...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 22045.

...Grams

Tornado Watches in New York, 2017Tornado Watches in Pennsylvania, 2017Every tornado watch in 2017

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.