Tornado Watch 17

Issued

Apr 2, 2015, 7:02 PM CDT (00:02 UTC)

Expired

Apr 3, 2015, 2:50 AM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

70 kt

The Springfield radar (KSGF), 125 km from the middle of the area, began a volume at 00:04 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

20%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

70%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 189Apr 2, 4:47 PM CDT
• Mesoscale Discussion 193Apr 2, 10:12 PM CDT
• Mesoscale Discussion 194Apr 2, 11:44 PM CDT
• Mesoscale Discussion 195Apr 3, 1:16 AM CDT
• Mesoscale Discussion 196Apr 3, 1:57 AM CDT

297 
WWUS20 KWNS 030005
SEL7  
SPC WW 030005
ARZ000-KSZ000-MOZ000-OKZ000-030700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 17
NWS STORM PREDICTION CENTER NORMAN OK
705 PM CDT THU APR 2 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHWEST AND NORTH-CENTRAL ARKANSAS
  SOUTHEAST KANSAS
  SOUTHWEST AND SOUTH-CENTRAL MISSOURI
  NORTHEAST OKLAHOMA

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

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
    TO 80 MPH POSSIBLE
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 3 INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 65 MILES WEST NORTHWEST OF
BARTLESVILLE OKLAHOMA TO 40 MILES NORTHEAST OF WEST PLAINS
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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.

&&

DISCUSSION...RAPID THUNDERSTORM DEVELOPMENT IS UNDERWAY WITH
SUPERCELLS EXPECTED TO QUICKLY EVOLVE WITH A RISK FOR VERY LARGE
HAIL AND A FEW TORNADOES.  A TRANSITION TO BOWING LINE SEGMENTS
MIXED WITH SUPERCELLS WILL LIKELY OCCUR TONIGHT WITH A CONTINUED
RISK FOR TORNADOES...LARGE HAIL...AND CORRIDORS OF WIND DAMAGE.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 27035.


...MEAD

Tornado Watches in Missouri, 2015Tornado Watches in Kansas, 2015Tornado Watches in Oklahoma, 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.