Tornado Watch 36

Issued

Apr 6, 2018, 3:20 PM CDT (20:20 UTC)

Expired

Apr 6, 2018, 11:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Shreveport radar (KSHV), 76 km from the middle of the area, began a volume at 20:24 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

50%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

70%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

50%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 222Apr 6, 2:17 PM CDT
• Mesoscale Discussion 224Apr 6, 6:02 PM CDT
• Mesoscale Discussion 228Apr 6, 10:57 PM CDT

217 
WWUS20 KWNS 062017
SEL6  
SPC WW 062017
ARZ000-LAZ000-MSZ000-TXZ000-070400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 36
NWS Storm Prediction Center Norman OK
320 PM CDT Fri Apr 6 2018

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Extreme southwest Arkansas
  Northern Louisiana
  West central Mississippi
  Northeast Texas

* Effective this Friday afternoon and evening from 320 PM until
  1100 PM CDT.

* Primary threats include...
  A few tornadoes possible
  Scattered damaging wind gusts to 70 mph likely
  Scattered large hail and isolated very large hail events to 2
    inches in diameter possible

SUMMARY...Thunderstorms will increase in coverage/intensity from
northeast Texas across northern Louisiana to western and central
Mississippi through the remainder of this afternoon and evening.  A
few supercells will be possible initially, with the threat for a
couple of tornadoes and large hail.  Gradual upscale growth into
more of a squall line is expected by later this evening, with an
increasing threat for damaging winds, and an isolated tornado or two
will also be possible with circulations embedded in the line.

The tornado watch area is approximately along and 70 statute miles
north and south of a line from 25 miles north of Tyler TX to 30
miles east southeast of Jackson MS. For a complete depiction of the
watch see the associated watch outline update (WOUS64 KWNS WOU6).

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 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 29035.

...Thompson

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