Severe Thunderstorm Watch 366

Issued

Jul 9, 2016, 8:32 PM CDT (01:32 UTC)

Expired

Jul 10, 2016, 2:00 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

3 in

Strongest gust expected

60 kt

The Bismarck radar (KBIS), 133 km from the middle of the area, began a volume at 01:37 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

20%

One or more EF2 to EF5 tornadoes

2%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

60%

One or more hailstones of 2 inches or more

50%

Six or more combined severe hail and wind reports

70%

• Mesoscale Discussion 1226Jul 9, 5:27 PM CDT
• Mesoscale Discussion 1228Jul 9, 6:58 PM CDT
• Mesoscale Discussion 1229Jul 9, 10:44 PM CDT
• Mesoscale Discussion 1230Jul 10, 1:23 AM CDT

535 
WWUS20 KWNS 100130
SEL6  
SPC WW 100130
MNZ000-NDZ000-SDZ000-100700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 366
NWS STORM PREDICTION CENTER NORMAN OK
830 PM CDT SAT JUL 9 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  WEST CENTRAL MINNESOTA
  SOUTHEAST NORTH DAKOTA
  NORTH CENTRAL SOUTH DAKOTA

* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 830 PM
  UNTIL 200 AM CDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS
    TO 3 INCHES IN DIAMETER POSSIBLE
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...CLUSTERS OF THUNDERSTORMS WILL AFFECT THE WATCH AREA
THROUGH MUCH OF THE EVENING...POSING A THREAT OF VERY LARGE HAIL AND
DAMAGING WINDS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES SOUTHWEST
OF BISMARCK NORTH DAKOTA TO 35 MILES EAST OF DETROIT LAKES
MINNESOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

&&

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 31030.


...HART

Severe Thunderstorm Watches in North Dakota, 2016Severe Thunderstorm Watches in South Dakota, 2016Severe Thunderstorm Watches in Minnesota, 2016Every severe thunderstorm watch in 2016

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.