Severe Thunderstorm Watch 375

Issued

Jul 13, 2021, 1:37 PM EDT (17:37 UTC)

Expired

Jul 14, 2021, 12:00 AM EDT

In force

10 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Binghamton radar (KBGM), 72 km from the middle of the area, began a volume at 17:38 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

20%

One or more EF2 to EF5 tornadoes

2%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

20%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1269 Severe potential...watch likelyJul 13, 12:48 PM EDT
• Mesoscale Discussion 1271 Severe thunderstorm watch 375Jul 13, 4:07 PM EDT
• Mesoscale Discussion 1273 Severe thunderstorm watch 375Jul 13, 6:44 PM EDT
• Mesoscale Discussion 1276 Severe thunderstorm watch 375Jul 13, 9:12 PM EDT

230 
WWUS20 KWNS 131735
SEL5  
SPC WW 131735
NYZ000-PAZ000-LEZ000-LOZ000-140300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 375
NWS Storm Prediction Center Norman OK
135 PM EDT Tue Jul 13 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  western and central New York
  Pennsylvania
  Lake Erie
  Lake Ontario

* Effective this Tuesday afternoon and evening from 135 PM until
  1100 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...Storms are expected to develop across Pennsylvania and New
York into the afternoon and early evening. The stronger storms will
become capable of producing locally strong to damaging wind gusts
and possibly some hail. A tornado or two also cannot be ruled out.

The severe thunderstorm watch area is approximately along and 90
statute miles east and west of a line from 60 miles north northwest
of Syracuse NY to 25 miles west of Hagerstown MD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).

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.

&&

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 500. Mean storm motion vector
25035.

...Dial

Severe Thunderstorm Watches in Pennsylvania, 2021Severe Thunderstorm Watches in New York, 2021Every severe thunderstorm watch in 2021

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.