Tornado Watch 143

Issued

May 8, 2015, 12:51 PM CDT (17:51 UTC)

Expired

May 8, 2015, 9:00 PM CDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

3.5 in

Strongest gust expected

65 kt

The Altus AFB radar (KFDR), 12 km from the middle of the area, began a volume at 17:53 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

95%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 542May 8, 8:57 AM CDT
• Mesoscale Discussion 543May 8, 12:22 PM CDT
• Mesoscale Discussion 545May 8, 2:12 PM CDT
• Mesoscale Discussion 547May 8, 2:48 PM CDT
• Mesoscale Discussion 549May 8, 3:45 PM CDT
• Mesoscale Discussion 553May 8, 6:13 PM CDT
• Mesoscale Discussion 554May 8, 6:50 PM CDT
• Mesoscale Discussion 556May 8, 8:42 PM CDT

930 
WWUS20 KWNS 081750
SEL3  
SPC WW 081750
OKZ000-TXZ000-090200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 143
NWS STORM PREDICTION CENTER NORMAN OK
1250 PM CDT FRI MAY 8 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  WESTERN AND SOUTHERN OKLAHOMA
  NORTH TEXAS

* EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 1250 PM UNTIL
  900 PM CDT.

* PRIMARY THREATS INCLUDE...
  A FEW TORNADOES POSSIBLE
  WIDESPREAD LARGE HAIL EXPECTED WITH ISOLATED VERY LARGE HAIL
    EVENTS TO 3.5 INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS
    TO 75 MPH POSSIBLE

SUMMARY...SLIGHTLY ELEVATED SUPERCELLS NOW IN NORTHWEST TX EXPECTED
TO MOVE/DEVELOP GENERALLY EAST THROUGH EARLY TONIGHT...WITH AN
INCREASING RISK FOR VERY LARGE HAIL...DAMAGING WIND...AND A FEW
TORNADOES.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHEAST OF
CLINTON OKLAHOMA TO 15 MILES EAST SOUTHEAST OF MINERAL WELLS
TEXAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 142...

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 26025.


...CORFIDI

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.