Tornado Watch 422

Issued

Nov 5, 2018, 4:06 PM CST (22:06 UTC)

Expired

Nov 5, 2018, 11:00 PM CST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Shreveport radar (KSHV), 136 km from the middle of the area, began a volume at 22:05 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

70%

One or more EF2 to EF5 tornadoes

40%

Ten or more severe wind reports

70%

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

90%

• Mesoscale Discussion 1621Nov 5, 3:38 PM CST
• Mesoscale Discussion 1622Nov 5, 5:05 PM CST
• Mesoscale Discussion 1624Nov 5, 9:28 PM CST

117 
WWUS20 KWNS 052203
SEL2  
SPC WW 052203
ARZ000-LAZ000-MSZ000-TXZ000-060500-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 422
NWS Storm Prediction Center Norman OK
405 PM CST Mon Nov 5 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Extreme southeastern Arkansas
  Northern Louisiana
  West central Mississippi
  Extreme east central Texas

* Effective this Monday afternoon and evening from 405 PM until
  1100 PM CST.

* Primary threats include...
  A few tornadoes likely with a couple intense tornadoes possible
  Scattered damaging wind gusts to 70 mph likely
  Scattered large hail events to 1 inch in diameter possible

SUMMARY...Warm sector showers/thunderstorms will gradually
strengthen from east Texas into northern Louisiana as the low levels
continue to warm and moisten.  The storm environment will become
more favorable for supercells with tornadoes through the evening,
when a strong tornado or two will be possible.  Some eventual
upscale growth into clusters and line segments is possible tonight,
with an increasing threat for damaging winds as the storms spread
into Mississippi.

The tornado watch area is approximately along and 70 statute miles
east and west of a line from 15 miles south southwest of
Natchitoches LA to 30 miles northeast of Greenville MS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU2).

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 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 24040.

...Thompson

Tornado Watches in Louisiana, 2018Tornado Watches in Mississippi, 2018Tornado Watches in Arkansas, 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.