Tornado Watch 34

Issued

Mar 17, 2021, 2:00 PM CDT (19:00 UTC)

Expired

Mar 17, 2021, 9:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

55 kt

The Western Arkansas radar (KSRX), 107 km from the middle of the area, began a volume at 19:01 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

10%

Ten or more severe wind reports

20%

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

50%

• Mesoscale Discussion 206 Severe potential...watch likelyMar 17, 1:18 PM CDT
• Mesoscale Discussion 211 Tornado watch 34Mar 17, 3:37 PM CDT
• Mesoscale Discussion 215 Tornado watch 34Mar 17, 7:45 PM CDT

059 
WWUS20 KWNS 171858
SEL4  
SPC WW 171858
ARZ000-MOZ000-OKZ000-180100-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 34
NWS Storm Prediction Center Norman OK
200 PM CDT Wed Mar 17 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Northwest Arkansas
  Southwest Missouri
  Northeast Oklahoma

* Effective this Wednesday afternoon and evening from 200 PM
  until 800 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 65 mph possible

SUMMARY...Multiple supercells may intensify across northeast
Oklahoma before spreading/developing into parts of northwest
Arkansas and southwest Missouri. Greatest tornado threat should be
in a narrow corridor near the surface cyclone and warm front.

The tornado watch area is approximately along and 65 statute miles
east and west of a line from 30 miles west northwest of Monett MO to
40 miles southwest of Russellville AR. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU4).

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 29...WW 30...WW 31...WW
32...WW 33...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 55 knots. A few cumulonimbi with maximum tops to 400. Mean
storm motion vector 22025.

...Grams

Tornado Watches in Arkansas, 2021Tornado Watches in Missouri, 2021Tornado Watches in Oklahoma, 2021Every tornado watch in 2021

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.