Severe Thunderstorm Watch 74

Issued

Apr 7, 2021, 12:02 PM CDT (17:02 UTC)

Expired

Apr 7, 2021, 7:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The St Louis radar (KLSX), 147 km from the middle of the area, began a volume at 17:03 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

20%

One or more EF2 to EF5 tornadoes

5%

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 321 Severe potential...watch likelyApr 7, 10:18 AM CDT
• Mesoscale Discussion 323 Severe thunderstorm watch 74Apr 7, 1:30 PM CDT
• Mesoscale Discussion 324 Tornado watch 75Apr 7, 2:22 PM CDT
• Mesoscale Discussion 325 Severe thunderstorm watch 74Apr 7, 3:13 PM CDT
• Mesoscale Discussion 326 Tornado watch 75Apr 7, 3:40 PM CDT
• Mesoscale Discussion 327 Severe potential...watch unlikelyApr 7, 5:04 PM CDT

150 
WWUS20 KWNS 071659
SEL4  
SPC WW 071659
MOZ000-080000-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 74
NWS Storm Prediction Center Norman OK
1200 PM CDT Wed Apr 7 2021

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Much of Missouri

* Effective this Wednesday afternoon and evening from NOON until
  700 PM CDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Scattered large hail events to 1.5 inches in diameter possible
  A tornado or two possible

SUMMARY...Thunderstorms are expected to intensify this afternoon
over western Missouri and track northeastward across the watch area.
 A few severe storms are anticipated, with the possiblity of large
hail, damaging winds.  A tornado or two cannot be ruled out.

The severe thunderstorm watch area is approximately along and 75
statute miles east and west of a line from 30 miles north northwest
of Kirksville MO to 35 miles west southwest of West Plains MO. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for 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. Severe thunderstorms can and occasionally do produce
tornadoes.

&&

AVIATION...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 450. Mean storm motion vector
24030.

...Hart

Severe Thunderstorm Watches in Missouri, 2021Every severe thunderstorm 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.