Tornado Watch 522

Issued

Oct 12, 2021, 2:46 PM MDT (20:46 UTC)

Expired

Oct 12, 2021, 10:00 PM MDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

70 kt

The Goodland radar (KGLD), 80 km from the middle of the area, began a volume at 20:48 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

80%

One or more EF2 to EF5 tornadoes

50%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

40%

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 1838 Outlook upgradeOct 12, 1:29 PM MDT
• Mesoscale Discussion 1839 Severe potential...tornado watch likelyOct 12, 2:08 PM MDT
• Mesoscale Discussion 1841 Tornado watch 522Oct 12, 5:22 PM MDT
• Mesoscale Discussion 1843 Severe potential...watch likelyOct 12, 7:56 PM MDT

428 
WWUS20 KWNS 122044
SEL2  
SPC WW 122044
COZ000-KSZ000-NEZ000-130400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 522
NWS Storm Prediction Center Norman OK
345 PM CDT Tue Oct 12 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Far Eastern Colorado
  Western Kansas
  Far Southwest Nebraska

* Effective this Tuesday afternoon and evening from 345 PM until
  1100 PM CDT.

* Primary threats include...
  Several tornadoes likely with a couple intense tornadoes
    possible
  Scattered large hail and isolated very large hail events to 3
    inches in diameter likely
  Scattered damaging winds likely with isolated significant gusts
    to 80 mph possible

SUMMARY...Several supercells are expected to develop near the
Colorado/Kansas border, before then moving east-northeast this
evening. All severe hazards are likely, some of which may be
significant. Greatest tornado potential appears to be across
southwest Kansas.

The tornado watch area is approximately along and 60 statute miles
east and west of a line from 30 miles west of Liberal KS to 40 miles
north of Imperial NE. 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 3 inches. Extreme turbulence and surface wind
gusts to 70 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 22045.

...Mosier/Grams

Tornado Watches in Kansas, 2021Tornado Watches in Colorado, 2021Tornado Watches in Nebraska, 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.