Tornado Watch 174

Issued

May 18, 2013, 7:29 PM CDT (00:29 UTC)

Expired

May 19, 2013, 12:29 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

70 kt

The Grand Island radar (KUEX), 102 km from the middle of the area, began a volume at 00:29 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

70%

One or more EF2 to EF5 tornadoes

40%

Ten or more severe wind reports

90%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

50%

One or more hailstones of 2 inches or more

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 682May 18, 6:42 PM CDT
• Mesoscale Discussion 683May 18, 7:40 PM CDT
• Mesoscale Discussion 686May 18, 10:00 PM CDT
• Mesoscale Discussion 690May 18, 11:40 PM CDT

460 
WWUS20 KWNS 190035
SEL4  
SPC WW 190035
KSZ000-NEZ000-190800-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 174
NWS STORM PREDICTION CENTER NORMAN OK
730 PM CDT SAT MAY 18 2013

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTH CENTRAL AND NORTHEAST KANSAS
  CENTRAL THROUGH SOUTHEAST NEBRASKA

* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 730 PM
  UNTIL 300 AM CDT.

* PRIMARY THREATS INCLUDE...
  SEVERAL INTENSE TORNADOES POSSIBLE
  NUMEROUS DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS
    TO 80 MPH POSSIBLE
  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHEAST OF
AINSWORTH NEBRASKA TO 40 MILES SOUTH SOUTHEAST OF MANHATTAN
KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).

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 170...WW 171...WW
172...WW 173...

DISCUSSION...ARC OF STRONG/SVR TSTMS NOW IN S CNTRL NEB THROUGH
CNTRL KS EXPECTED TO MOVE/DEVELOP BOTH NNE THROUGH CNTRL NEB...AND
ENE ACROSS N CNTRL/NE KS THROUGH LATE EVE. AREA VWP AND SFC DATA
TRENDS SUGGEST THAT SOME DEGREE OF UPSCALE DEVELOPMENT INTO BROKEN
LINE SEGMENTS MAY OCCUR...WITH EMBEDDED BOWS/SUPERCELLS/LEWPS POSING
A THREAT FOR DMGG WIND...SVR HAIL...AND POSSIBLY TORNADOES. THE
LATTER POTENTIAL WILL BE FOSTERED BY CONTINUED INFLUX OF RICH
LOW-LVL MOISTURE AS SELY SFC WINDS PERSIST BENEATH A
NOCTURNALLY-STRENGTHENED SSWLY LLJ.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 22035.


...CORFIDI

Tornado Watches in Nebraska, 2013Tornado Watches in Kansas, 2013Every tornado watch in 2013

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.