Tornado Watch 69

Issued

Apr 17, 2015, 4:37 PM MDT (22:37 UTC)

Expired

Apr 18, 2015, 12:00 AM MDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Goodland radar (KGLD), 2 km from the middle of the area, began a volume at 22:38 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

10%

Ten or more severe wind reports

20%

One or more gusts of 65 knots or more

5%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 338Apr 17, 2:06 PM MDT
• Mesoscale Discussion 341Apr 17, 4:05 PM MDT
• Mesoscale Discussion 344Apr 17, 6:06 PM MDT
• Mesoscale Discussion 348Apr 17, 7:56 PM MDT
• Mesoscale Discussion 352Apr 17, 10:48 PM MDT

151 
WWUS20 KWNS 172235
SEL9  
SPC WW 172235
COZ000-KSZ000-NEZ000-180600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 69
NWS STORM PREDICTION CENTER NORMAN OK
535 PM CDT FRI APR 17 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHEAST COLORADO
  WESTERN KANSAS
  SOUTHWEST NEBRASKA

* EFFECTIVE THIS FRIDAY AFTERNOON AND SATURDAY MORNING FROM 535
  PM UNTIL 100 AM CDT.

* PRIMARY THREATS INCLUDE...
  A COUPLE TORNADOES POSSIBLE
  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...SCATTERED SMALL THUNDERSTORMS EXPECTED TO FORM OVER WATCH
AREA THROUGH LATE EVENING...MOVING GENERALLY NORTH OR
NORTH-NORTHEASTWARD...WITH AN ATTENDANT THREAT FOR HAIL AND POSSIBLY
A FEW TORNADOES.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHEAST OF
AKRON COLORADO TO 55 MILES WEST SOUTHWEST OF MEDICINE LODGE
KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

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 67...WW 68...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
400. MEAN STORM MOTION VECTOR 20025.


...CORFIDI

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.