Tornado Watch 191

Issued

May 19, 2015, 8:58 PM CDT (01:58 UTC)

Expired

May 20, 2015, 2:00 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Altus AFB radar (KFDR), 61 km from the middle of the area, began a volume at 02:00 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

30%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

30%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

60%

• Mesoscale Discussion 701May 19, 5:31 PM CDT
• Mesoscale Discussion 703May 19, 7:15 PM CDT
• Mesoscale Discussion 704May 19, 9:18 PM CDT
• Mesoscale Discussion 705May 19, 11:15 PM CDT
• Mesoscale Discussion 706May 20, 1:10 AM CDT

464 
WWUS20 KWNS 200156
SEL1  
SPC WW 200156
OKZ000-TXZ000-200700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 191
NWS STORM PREDICTION CENTER NORMAN OK
900 PM CDT TUE MAY 19 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  SOUTHERN OKLAHOMA
  WESTERN NORTH TEXAS

* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 900 PM
  UNTIL 200 AM CDT.

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

SUMMARY...ISOLATED SUPERCELL THUNDERSTORMS ARE AFFECTING PORTIONS OF
SOUTHERN OK...WHILE NEW STORMS ARE FORMING IN WESTERN OK.  THIS
ACTIVITY WILL AFFECT THE WATCH AREA FOR SEVERAL MORE HOURS.  THE
MAIN RISK IS DAMAGING WINDS AND HAIL...BUT SOME RISK OF ISOLATED
TORNADOES WILL REMAIN FOR ANOTHER COUPLE OF HOURS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 60 MILES SOUTHWEST OF ALTUS
OKLAHOMA TO 35 MILES EAST NORTHEAST OF DURANT OKLAHOMA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU1).

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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 189. WATCH NUMBER 189 WILL NOT BE IN EFFECT AFTER
900 PM CDT. CONTINUE...WW 190...

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
500. MEAN STORM MOTION VECTOR 26035.


...HART

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.