Tornado Watch 301

Issued

Jun 27, 2016, 1:22 PM MDT (19:22 UTC)

Expired

Jun 27, 2016, 9:41 PM MDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

Counties Boulder County, CO, Larimer County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Goshen County, WY, Laramie County, WY, Platte County, WY

The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 19:24 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

60%

• Mesoscale Discussion 1064Jun 27, 12:36 PM MDT
• Mesoscale Discussion 1066Jun 27, 4:00 PM MDT
• Mesoscale Discussion 1068Jun 27, 6:44 PM MDT

453 
WWUS20 KWNS 271919
SEL1  
SPC WW 271919
COZ000-NEZ000-WYZ000-280200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 301
NWS STORM PREDICTION CENTER NORMAN OK
115 PM MDT MON JUN 27 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHEAST COLORADO
  NEBRASKA PANHANDLE
  SOUTHEAST WYOMING

* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 115 PM UNTIL
  800 PM MDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...ISOLATED SUPERCELLS ARE EXPECTED TO DEVELOP OVER THE
CENTRAL HIGH PLAINS OF SOUTHEAST WY AND THE NEBRASKA PANHANDLE BY
MID AFTERNOON.  STORMS ARE ALSO EXPECTED TO DEVELOP OFF THE LARAMIE
RANGE IN WY AND THE FRONT RANGE IN COLORADO.  THIS ACTIVITY IS
EXPECTED TO MOVE SLOWLY SOUTHEAST INTO THE EVENING HOURS.  VERY
LARGE HAIL COULD ACCOMPANY THIS ACTIVITY...ALONG WITH A FEW
TORNADOES.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE
MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHEAST OF
TORRINGTON WYOMING TO 25 MILES WEST SOUTHWEST OF AKRON COLORADO. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

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 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 32015.


...DARROW

Tornado Watches in Colorado, 2016Tornado Watches in Nebraska, 2016Tornado Watches in Wyoming, 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.