Severe Thunderstorm Watch 295

Issued

Jun 20, 2021, 6:06 PM EDT (22:06 UTC)

Expired

Jun 21, 2021, 1:00 AM EDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Northern Indiana radar (KIWX), 50 km from the middle of the area, began a volume at 22:07 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

10%

Ten or more severe wind reports

70%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 1036 Severe potential...watch possibleJun 20, 4:25 PM EDT
• Mesoscale Discussion 1040 Severe thunderstorm watch 295Jun 20, 8:14 PM EDT
• Mesoscale Discussion 1043 Severe thunderstorm watch 295Jun 20, 11:51 PM EDT

516 
WWUS20 KWNS 202205
SEL5  
SPC WW 202205
INZ000-MIZ000-OHZ000-LEZ000-210500-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 295
NWS Storm Prediction Center Norman OK
605 PM EDT Sun Jun 20 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Central and Northern Indiana
  Southern Lower Michigan
  Northern Ohio
  Lake Erie

* Effective this Sunday night and Monday morning from 605 PM
  until 100 AM EDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph likely
  Scattered large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Clusters of storms will continue to intensify, initially
across northern/central Indiana early this evening. Some supercell
storms are possible, with storms otherwise organize into clusters
and bands capable of damaging winds and severe hail. A low tornado
risk could also materialize as low-level winds increase later this
evening.

The severe thunderstorm watch area is approximately along and 95
statute miles north and south of a line from 40 miles northwest of
Lafayette IN to 30 miles east southeast of Mount Clemens MI. 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 293...WW 294...

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 550. Mean storm motion vector
25025.

...Guyer

Severe Thunderstorm Watches in Indiana, 2021Severe Thunderstorm Watches in Michigan, 2021Severe Thunderstorm Watches in Ohio, 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.