Tornado Watch 256

Issued

Jun 4, 2015, 6:06 PM MDT (00:06 UTC)

Expired

Jun 4, 2015, 11:27 PM MDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

2.5 in

Strongest gust expected

60 kt

The Goodland radar (KGLD), 65 km from the middle of the area, began a volume at 00:06 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

30%

One or more EF2 to EF5 tornadoes

20%

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

60%

• Mesoscale Discussion 887Jun 4, 2:28 PM MDT
• Mesoscale Discussion 894Jun 4, 10:29 PM MDT

303 
WWUS20 KWNS 050004
SEL6  
SPC WW 050004
COZ000-KSZ000-NEZ000-050700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 256
NWS STORM PREDICTION CENTER NORMAN OK
705 PM CDT THU JUN 4 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EASTERN COLORADO
  NORTHWESTERN KANSAS
  SOUTHWESTERN NEBRASKA

* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 705 PM
  UNTIL 200 AM CDT.

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

SUMMARY...SEVERE-THUNDERSTORM THREAT IS INCREASING AS STORMS DEVELOP
AND INTENSIFY OVER THIS REGION DURING THE REMAINING AFTERNOON INTO
EVENING HOURS.  DAMAGING HAIL AND SPORADIC SEVERE GUSTS ARE
POSSIBLE...AND A SUPERCELL OR TWO MAY SUSTAIN ITSELF LONG ENOUGH IN
AT LEAST A MARGINALLY FAVORABLE ENVIRONMENT FOR SOME TORNADO RISK.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTHWEST OF HILL
CITY KANSAS TO 35 MILES NORTH OF MCCOOK NEBRASKA.  FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU6).

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 255...

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
550. MEAN STORM MOTION VECTOR 34010.


...EDWARDS

Tornado Watches in Kansas, 2015Tornado Watches in Nebraska, 2015Tornado Watches in Colorado, 2015Every tornado watch in 2015

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.