Tornado Watch 146

Issued

May 8, 2015, 7:27 PM CDT (00:27 UTC)

Expired

May 9, 2015, 1:18 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

65 kt

The Norman radar (KTLX), 163 km from the middle of the area, began a volume at 00:27 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

30%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 549May 8, 3:45 PM CDT
• Mesoscale Discussion 551May 8, 5:24 PM CDT
• Mesoscale Discussion 554May 8, 6:50 PM CDT
• Mesoscale Discussion 556May 8, 8:42 PM CDT
• Mesoscale Discussion 557May 8, 10:43 PM CDT

201 
WWUS20 KWNS 090025
SEL6  
SPC WW 090025
OKZ000-TXZ000-090800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 146
NWS STORM PREDICTION CENTER NORMAN OK
725 PM CDT FRI MAY 8 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTH-CENTRAL AND EASTERN OKLAHOMA
  NORTH-CENTRAL AND NORTHEAST TEXAS

* EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 725 PM
  UNTIL 300 AM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 3 INCHES IN DIAMETER POSSIBLE
  ISOLATED SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE

SUMMARY...AN MCS COMPRISED OF NUMEROUS SUPERCELLS IS EXPECTED TO
TRACK EAST ACROSS THE WATCH AREA THIS EVENING INTO TONIGHT.  WHILE
THE PRIMARY HAZARDS WILL BE VERY LARGE HAIL AND DAMAGING STRAIGHT
LINE WINDS...A FEW TORNADOES ARE POSSIBLE...ESPECIALLY WITH ANY
SUPERCELLS THAT CAN REMAIN SEMI-DISCRETE.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES SOUTH SOUTHWEST OF
SHERMAN TEXAS TO 50 MILES WEST NORTHWEST OF FORT SMITH ARKANSAS. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU6).

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 143...WW 144...WW 145...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
600. MEAN STORM MOTION VECTOR 24025.


...MEAD

Tornado Watches in Oklahoma, 2015Tornado Watches in Texas, 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.