Tornado Watch 149

Issued

May 9, 2015, 11:55 AM MDT (17:55 UTC)

Expired

May 9, 2015, 11:00 PM MDT

In force

11 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Goodland radar (KGLD), 81 km from the middle of the area, began a volume at 17:57 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

60%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

5%

Ten or more severe hail reports

70%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 564May 9, 11:40 AM MDT
• Mesoscale Discussion 567May 9, 2:34 PM MDT
• Mesoscale Discussion 571May 9, 5:16 PM MDT
• Mesoscale Discussion 575May 9, 7:10 PM MDT

882 
WWUS20 KWNS 091752
SEL9  
SPC WW 091752
COZ000-KSZ000-NEZ000-100300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 149
NWS STORM PREDICTION CENTER NORMAN OK
1155 AM MDT SAT MAY 9 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  EASTERN COLORADO
  WESTERN KANSAS
  FAR SOUTHWEST NEBRASKA

* EFFECTIVE THIS SATURDAY MORNING AND EVENING FROM 1155 AM UNTIL
  900 PM MDT.

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

SUMMARY...SCATTERED SUPERCELLS AND BROKEN LINES OF SUSTAINED STORMS
WITH A THREAT FOR SEVERE HAIL AND TORNADOES EXPECTED TO MOVE /
DEVELOP GRADUALLY NNE ACROSS THE CENTRAL HIGH PLAINS THROUGH
MID-EVENING.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE
MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH NORTHEAST OF
AKRON COLORADO TO 35 MILES WEST OF LIBERAL 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 148...

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
450. MEAN STORM MOTION VECTOR 20030.


...CORFIDI

Tornado Watches in Kansas, 2015Tornado Watches in Colorado, 2015Tornado Watches in Nebraska, 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.