Tornado Watch 289

Issued

Jul 20, 2018, 1:37 PM EDT (17:37 UTC)

Expired

Jul 20, 2018, 8:58 PM EDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Louisville radar (KLVX), 102 km from the middle of the area, began a volume at 17:41 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

60%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

90%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

80%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1098Jul 20, 12:17 PM EDT
• Mesoscale Discussion 1099Jul 20, 1:19 PM EDT
• Mesoscale Discussion 1101Jul 20, 1:58 PM EDT
• Mesoscale Discussion 1103Jul 20, 3:43 PM EDT
• Mesoscale Discussion 1107Jul 20, 6:37 PM EDT
• Mesoscale Discussion 1108Jul 20, 6:54 PM EDT
• Mesoscale Discussion 1109Jul 20, 7:24 PM EDT

380 
WWUS20 KWNS 201735
SEL9  
SPC WW 201735
INZ000-KYZ000-OHZ000-210100-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 289
NWS Storm Prediction Center Norman OK
135 PM EDT Fri Jul 20 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southern Indiana
  Central Kentucky
  Southwest Ohio

* Effective this Friday afternoon and evening from 135 PM until
  900 PM EDT.

* Primary threats include...
  A few tornadoes likely
  Widespread large hail and scattered very large hail events to
    2.5 inches in diameter likely
  Widespread damaging wind gusts to 70 mph likely

SUMMARY...Multiple rounds of strong/severe thunderstorms are
expected to affect the watch area this afternoon and evening, posing
a risk of large hail, damaging winds, and isolated tornadoes.

The tornado watch area is approximately along and 70 statute miles
east and west of a line from 55 miles north northwest of Cincinnati
OH to 30 miles southeast of Bowling Green KY. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.

&&

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 28030.

...Hart

Tornado Watches in Kentucky, 2018Tornado Watches in Indiana, 2018Tornado Watches in Ohio, 2018Every tornado watch in 2018

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.