Tornado Watch 430

Issued

Nov 30, 2018, 6:40 PM CST (00:40 UTC)

Expired

Dec 1, 2018, 2:00 AM CST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Little Rock radar (KLZK), 120 km from the middle of the area, began a volume at 00:43 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

40%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

20%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 1667Nov 30, 3:34 PM CST
• Mesoscale Discussion 1669Nov 30, 6:17 PM CST
• Mesoscale Discussion 1671Nov 30, 9:02 PM CST
• Mesoscale Discussion 1673Nov 30, 9:52 PM CST
• Mesoscale Discussion 1675Nov 30, 11:20 PM CST
• Mesoscale Discussion 1676Dec 1, 12:58 AM CST

362 
WWUS20 KWNS 010038
SEL0  
SPC WW 010038
ARZ000-OKZ000-TXZ000-010800-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 430
NWS Storm Prediction Center Norman OK
640 PM CST Fri Nov 30 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  much of Arkansas
  far southeastern Oklahoma
  parts of northeastern Texas

* Effective this Friday night and Saturday morning from 640 PM
  until 200 AM CST.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Scattered damaging wind gusts to 70 mph possible
  Scattered large hail events to 1.5 inches in diameter possible

SUMMARY...Thunderstorms ongoing over the watch area at this time
will continue to intensify over the next few hours, while additional
strong/severe storms will move into the watch area from the west
later this evening.  Along with risk for hail and damaging winds, a
few tornadoes are also expected.

The tornado watch area is approximately along and 100 statute miles
east and west of a line from 40 miles west southwest of El Dorado AR
to 5 miles east northeast of Flippin AR. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU0).

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 429...

AVIATION...Tornadoes and 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 23040.

...Goss

Tornado Watches in Arkansas, 2018Tornado Watches in Texas, 2018Tornado Watches in Oklahoma, 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.