Tornado Watch 248

Issued

May 19, 2017, 3:06 PM CDT (20:06 UTC)

Expired

May 19, 2017, 10:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Springfield radar (KSGF), 118 km from the middle of the area, began a volume at 20:05 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

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

30%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 781May 19, 2:13 PM CDT
• Mesoscale Discussion 788May 19, 6:04 PM CDT
• Mesoscale Discussion 793May 19, 9:16 PM CDT

846 
WWUS20 KWNS 192002
SEL8  
SPC WW 192002
ILZ000-MOZ000-200300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 248
NWS Storm Prediction Center Norman OK
305 PM CDT Fri May 19 2017

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  parts of west central Illinois
  southwestern into cenral Missouri

* Effective this Friday afternoon and evening from 305 PM until
  1000 PM CDT.

* Primary threats include...
  A couple tornadoes possible
  Isolated very large hail events to 2 inches in diameter possible
  Isolated damaging wind gusts to 70 mph possible

SUMMARY...An evolving area of thunderstorm activity appears likely
to organize further and intensify through the late afternoon hours
as it spreads across southwestern Missouri into the lower Missouri
Valley.  Large hail may accompany strongest storms, with an
increasing risk for damaging wind gusts, and perhaps a couple of
tornadoes.

The tornado watch area is approximately along and 60 statute miles
east and west of a line from 35 miles northeast of Columbia MO to 35
miles southeast of Monett MO. For a complete depiction of the watch
see the associated watch outline update (WOUS64 KWNS WOU8).

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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 246...WW 247...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 24035.

...Kerr

Tornado Watches in Missouri, 2017Tornado Watches in Illinois, 2017Every tornado watch in 2017

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.