Severe Thunderstorm Watch 335

Issued

Jul 6, 2021, 1:13 PM EDT (17:13 UTC)

Expired

Jul 6, 2021, 8:00 PM EDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

55 kt

The Albany radar (KENX), 70 km from the middle of the area, began a volume at 17:17 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

10%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

70%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

20%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 1161 Severe potential...watch likelyJul 6, 12:33 PM EDT
• Mesoscale Discussion 1164 Severe thunderstorm watch 335...336Jul 6, 4:23 PM EDT

546 
WWUS20 KWNS 061710
SEL5  
SPC WW 061710
CTZ000-MAZ000-NHZ000-NYZ000-PAZ000-RIZ000-VTZ000-CWZ000-070000-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 335
NWS Storm Prediction Center Norman OK
115 PM EDT Tue Jul 6 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Connecticut
  Massachusetts
  Southern New Hampshire
  Southern New York
  Northern Pennsylvania
  Rhode Island
  Southern Vermont
  Coastal Waters

* Effective this Tuesday afternoon and evening from 115 PM until
  800 PM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 65 mph likely
  Isolated large hail events to 1 inch in diameter possible

SUMMARY...Clusters of storms will continue to develop and intensify
and generally move east-southeastward across the region through late
afternoon and early evening. Although some hail is possible,
damaging thunderstorm winds will be the most common hazard.

The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 35 miles west of Elmira
NY to 25 miles southeast of Boston MA. 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 inch. Extreme turbulence and surface wind gusts to 55 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
31025.

...Guyer

Severe Thunderstorm Watches in New York, 2021Severe Thunderstorm Watches in Pennsylvania, 2021Severe Thunderstorm Watches in Massachusetts, 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.