Tornado Watch 150

Issued

May 9, 2015, 1:21 PM CDT (18:21 UTC)

Expired

May 9, 2015, 11:00 PM CDT

In force

10 hr

Issued by

the Storm Prediction Center

Largest hail expected

3.5 in

Strongest gust expected

60 kt

The Altus AFB radar (KFDR), 102 km from the middle of the area, began a volume at 18:23 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

50%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 562May 9, 9:41 AM CDT
• Mesoscale Discussion 563May 9, 11:36 AM CDT
• Mesoscale Discussion 566May 9, 3:32 PM CDT
• Mesoscale Discussion 570May 9, 5:52 PM CDT
• Mesoscale Discussion 572May 9, 6:21 PM CDT
• Mesoscale Discussion 573May 9, 7:49 PM CDT
• Mesoscale Discussion 577May 9, 9:38 PM CDT

366 
WWUS20 KWNS 091816
SEL0  
SPC WW 091816
OKZ000-TXZ000-100200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 150
NWS STORM PREDICTION CENTER NORMAN OK
115 PM CDT SAT MAY 9 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  CENTRAL AND SOUTHERN OKLAHOMA
  NORTHERN AND CENTRAL TEXAS

* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 115 PM UNTIL
  900 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES LIKELY
  WIDESPREAD LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL
    EVENTS TO 3.5 INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY...SCATTERED SEVERE THUNDERSTORMS CAPABLE OF VERY LARGE
HAIL,TORNADOES...AND DAMAGING WIND EXPECTED IN WATCH AREA THROUGH
THIS EVENING.  THE STORMS COULD MERGE INTO SEVERAL SMALL
CLUSTERS...WITH A CONTINUED RISK FOR SEVERE WEATHER THROUGH LATER
TONIGHT.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE
MILES EAST AND WEST OF A LINE FROM 10 MILES NORTHEAST OF CHANDLER
OKLAHOMA TO 15 MILES SOUTH SOUTHEAST OF BROWNWOOD TEXAS.  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 148...WW 149...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 24030.


...CORFIDI

Tornado Watches in Texas, 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.