Severe Thunderstorm Watch 281

Issued

Jun 18, 2021, 9:09 PM EDT (01:09 UTC)

Expired

Jun 19, 2021, 3:00 AM EDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Cincinnati radar (KILN), 90 km from the middle of the area, began a volume at 01:08 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

5%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 999 Tornado watch 279Jun 18, 7:18 PM EDT
• Mesoscale Discussion 1001 Tornado watch 279...280Jun 18, 8:53 PM EDT
• Mesoscale Discussion 1004 Severe thunderstorm watch 281Jun 18, 11:09 PM EDT

226 
WWUS20 KWNS 190107
SEL1  
SPC WW 190107
INZ000-KYZ000-OHZ000-WVZ000-190700-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 281
NWS Storm Prediction Center Norman OK
910 PM EDT Fri Jun 18 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southeast Indiana
  Northern Kentucky
  Southern Ohio
  Western West Virginia

* Effective this Friday night and Saturday morning from 910 PM
  until 300 AM 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...Clusters of storms will continue to move
south-southeastward across the region this evening, and possibly
into the overnight, with damaging winds and some severe hail as the
primary hazards.

The severe thunderstorm watch area is approximately along and 30
statute miles north and south of a line from 35 miles northwest of
Louisville KY to 30 miles southeast of Athens OH. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).

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 279...WW 280...

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 600. Mean storm motion vector
30035.

...Guyer

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