Tornado Watch 490

Issued

Oct 4, 2016, 2:45 PM CDT (19:45 UTC)

Expired

Oct 4, 2016, 9:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Topeka radar (KTWX), 87 km from the middle of the area, began a volume at 19:46 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

60%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 1753Oct 4, 1:51 PM CDT
• Mesoscale Discussion 1755Oct 4, 4:49 PM CDT
• Mesoscale Discussion 1758Oct 4, 6:50 PM CDT
• Mesoscale Discussion 1760Oct 4, 7:49 PM CDT

498 
WWUS20 KWNS 041944
SEL0  
SPC WW 041944
KSZ000-NEZ000-050200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 490
NWS STORM PREDICTION CENTER NORMAN OK
245 PM CDT TUE OCT 4 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  CENTRAL KANSAS
  SOUTHEAST NEBRASKA

* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 245 PM UNTIL
  900 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 2.5 INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY

SUMMARY...THUNDERSTORMS WILL RAPIDLY DEVELOP THIS AFTERNOON OVER
CENTRAL KS AND SPREAD ACROSS THE WATCH AREA.  VERY LARGE HAIL AND
DAMAGING WINDS ARE POSSIBLE IN THE STRONGER CELLS...ALONG WITH A
RISK OF A FEW TORNADOES THIS AFTERNOON.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 10 MILES NORTH OF BEATRICE
NEBRASKA TO 45 MILES SOUTH OF WICHITA KANSAS.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU0).

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 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 23035.


...HART

Tornado Watches in Kansas, 2016Tornado Watches in Nebraska, 2016Every tornado watch in 2016

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.