Tornado Watch 262

Issued

Jun 6, 2015, 3:40 PM CDT (20:40 UTC)

Expired

Jun 6, 2015, 9:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Grand Island radar (KUEX), 167 km from the middle of the area, began a volume at 20:40 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

70%

One or more gusts of 65 knots or more

10%

Ten or more severe hail reports

80%

One or more hailstones of 2 inches or more

40%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 912Jun 6, 2:32 PM CDT
• Mesoscale Discussion 915Jun 6, 6:34 PM CDT
• Mesoscale Discussion 918Jun 6, 8:11 PM CDT

624 
WWUS20 KWNS 062038
SEL2  
SPC WW 062038
IAZ000-MNZ000-NEZ000-SDZ000-070200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 262
NWS STORM PREDICTION CENTER NORMAN OK
340 PM CDT SAT JUN 6 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF 
  NORTHWESTERN IOWA
  SOUTHWEST MINNESOTA
  CENTRAL AND EASTERN NEBRASKA
  SOUTHEAST SOUTH DAKOTA

* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 340 PM UNTIL
  900 PM CDT.

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

SUMMARY...ISOLATED SUPERCELL THUNDERSTORMS ARE EXPECTED TO FORM OVER
NORTH CENTRAL NEB THIS AFTERNOON AND TRACK EASTWARD ACROSS THE WATCH
AREA.  STRONG WIND FIELDS AND INSTABILITY SUGGEST THE RISK OF
TORNADOES...ALONG WITH LARGE HAIL AND DAMAGING WINDS THROUGH THE
EVENING.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 45 MILES SOUTH SOUTHWEST OF
HASTINGS NEBRASKA TO 25 MILES NORTHWEST OF BROOKINGS SOUTH
DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).

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.

&&

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 24030.


...HART

Tornado Watches in Nebraska, 2015Tornado Watches in South Dakota, 2015Tornado Watches in Minnesota, 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.