Tornado Watch 260

Issued

Jun 8, 2014, 12:19 PM MDT (18:19 UTC)

Expired

Jun 8, 2014, 8:00 PM MDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Denver radar (KFTG), 83 km from the middle of the area, began a volume at 18:21 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

10%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

50%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 897Jun 8, 11:31 AM MDT
• Mesoscale Discussion 904Jun 8, 2:22 PM MDT
• Mesoscale Discussion 908Jun 8, 4:25 PM MDT

974 
WWUS20 KWNS 081821
SEL0  
SPC WW 081821
COZ000-090200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 260
NWS STORM PREDICTION CENTER NORMAN OK
1220 PM MDT SUN JUN 8 2014

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EASTERN COLORADO

* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1220 PM UNTIL
  800 PM MDT.

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

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHWEST OF
AKRON COLORADO TO 45 MILES WEST SOUTHWEST OF SPRINGFIELD
COLORADO.  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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 259...

DISCUSSION...STRONG SHORT-WAVE TROUGH WILL PROGRESS ACROSS THE CNTRL
ROCKIES AIDING THE UPWARD EVOLUTION OF CONVECTION AS IT SPREADS OFF
THE FRONT RANGE.  DEVELOPING SUPERCELL ACTIVITY SHOULD MERGE INTO A
SQUALL LINE AS CONVECTION SPREADS/PROPAGATES TOWARD SOUTHEAST
COLORADO THIS EVENING.  WIND THREAT SHOULD INCREASE AS SQUALL LINE
MATURES.

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 27030.


...DARROW

Tornado Watches in Colorado, 2014Every tornado watch in 2014

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.