Severe Thunderstorm Watch 269

Issued

Jun 14, 2021, 11:46 AM EDT (15:46 UTC)

Expired

Jun 14, 2021, 6:00 PM EDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Pittsburgh radar (KPBZ), 31 km from the middle of the area, began a volume at 15:49 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

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

20%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 964 Severe potential...severe thunderstorm watch likelyJun 14, 11:31 AM EDT
• Mesoscale Discussion 968 Severe thunderstorm watch 269Jun 14, 3:25 PM EDT

846 
WWUS20 KWNS 141543
SEL9  
SPC WW 141543
OHZ000-PAZ000-WVZ000-142200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 269
NWS Storm Prediction Center Norman OK
1145 AM EDT Mon Jun 14 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Eastern Ohio
  Western to central Pennsylvania
  Northern West Virginia

* Effective this Monday morning and evening from 1145 AM until
  600 PM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...Initial thunderstorm development over northwest
Pennsylvania might intensify in the near-term, but more likely
additional development farther west-southwest should increase in
coverage and intensity later this afternoon.

The severe thunderstorm watch area is approximately along and 60
statute miles north and south of a line from 40 miles west of
Wheeling WV to 15 miles east of State College PA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

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
29035.

...Grams

Severe Thunderstorm Watches in Pennsylvania, 2021Severe Thunderstorm Watches in Ohio, 2021Severe Thunderstorm Watches in West Virginia, 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.