Tornado Watch 69

Issued

Mar 28, 2020, 2:45 PM CDT (19:45 UTC)

Expired

Mar 28, 2020, 9:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Particularly dangerous situation

Yes

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Quad Cities radar (KDVN), 68 km from the middle of the area, began a volume at 19:45 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

90%

One or more EF2 to EF5 tornadoes

80%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

60%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 250Mar 28, 1:17 PM CDT
• Mesoscale Discussion 251Mar 28, 1:33 PM CDT
• Mesoscale Discussion 256Mar 28, 5:21 PM CDT
• Mesoscale Discussion 257Mar 28, 6:42 PM CDT
• Mesoscale Discussion 261Mar 28, 8:06 PM CDT

692 
WWUS20 KWNS 281943
SEL9  
SPC WW 281943
IAZ000-ILZ000-MOZ000-290200-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 69
NWS Storm Prediction Center Norman OK
240 PM CDT Sat Mar 28 2020

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  parts of central and eastern Iowa
  portions of central and northern Illinois
  northeastern Missouri

* Effective this Saturday afternoon and evening from 240 PM until
  900 PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

* Primary threats include...
  Several tornadoes and a few intense tornadoes likely
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter likely
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...Thunderstorms are forecast to gradually increase in both
coverage and intensity over the next few hours, with several intense
supercell storms expected to evolve.  Along with risk for damaging
winds and very large hail, several tornadoes -- including the
potential for a few being significant/long-track -- can be expected.

The tornado watch area is approximately along and 110 statute miles
either side of a line from 35 miles north northwest of Cedar Rapids
IA to 70 miles south southeast of Quincy IL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).

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 67...WW 68...

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 22040.

...Goss

Tornado Watches in Illinois, 2020Tornado Watches in Iowa, 2020Tornado Watches in Missouri, 2020Every tornado watch in 2020

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.