Severe Thunderstorm Warning 109, NWS North Platte, NE

Area Forecast Discussion
National Weather Service North Platte NE
649 PM CDT Sat Jun 4 2022

.SHORT TERM...(This evening through Sunday night)
Issued at 220 PM CDT Sat Jun 4 2022

Early afternoon satellite imagery continues to show a good amount of
sunshine across central and western Nebraska. However expect convective
trends will be on the upswing as we head into this evening as
instability pools along and ahead of a frontal boundary draped across
northern Nebraska. It will likely take until early this evening to
erode the cap and forcing is not very robust, but hodographs near the
front are nicely curved in the low levels, mid/upper lapse rates are
steep, and DCAPE values are elevated across southwest Nebraska.
Expected evolution of convection is for isolated/widely scattered
storms to form along the boundary which will generally be along/south of
highway 2, then grow upscale with coverage remaining scattered and
eventually cluster up and develop into a convective complex across
southeastern Nebraska early tonight. 40kts of 0-6 bulk shear looks
sufficient to support organized updrafts in some of the discrete storms
with significant CAPE in the hail growth zone to generate primary
severe threats of large hail and damaging wind from roughly 7PM until
around Midnight when convection slides off to our southeast and
consolidates. However will also have to monitor convective trends
upstream across SD as there are indications for an MCS to develop aided
by a bit of a low level jet and brush along the NE/SD border late
tonight/early Sunday morning with potential for hail/wind.

The cold pool associated with the MCS diving down into eastern Nebraska
will give a good push to the frontal boundary and drive southward into
Nebraska on Sunday as a dryline surges eastward during the afternoon. A
combination of interaction between the dryline, lingering frontal
boundary, and residual cold pool boundaries from earlier convection will
trigger thunderstorm development again late Sunday afternoon/evening.
The best instability will reside off to our southeast and support
development of another MCS across southeast Nebraska into Kansas Sunday
evening. However, an axis of unstable air will reside along the
lingering frontal boundary with enough boundary layer shear to support
at least widely scattered cells with good updrafts and a threat for
large hail and damaging winds. The convective threat Sunday evening
will be over by Midnight with lingering showers/thunder overnight
Sunday night.

.LONG TERM...(Monday through Saturday)
Issued at 220 PM CDT Sat Jun 4 2022

A good surge of jet energy will push through the low amplitude upper
ridge and work with the lingering frontal boundary draped across
western Nebraska to trigger another round of thunderstorms late Monday
afternoon and evening. One convective complex looks to develop late in
the day and move across western/southwestern Nebraska, while another
complex develops and moves across SD and into eastern Nebraska Monday
night. There looks to be enough overlap of good shear and limited
instability to support a marginal severe threat across western Nebraska
but the better threat will reside off to our southwest where synoptic
forcing is expected to be more robust.

Thereafter, ensemble guidance is in good agreement in keeping the quasi
zonal progressive flow regime across the nation with gradual
amplification of an eastern trof/western ridge through late next week.
Expect the net result will be cool temperatures and active weather with
a good chance for showers and thunderstorms continuing each day through
the middle of next week, followed by a trend toward warmer temperatures
and a bit less active weather heading into next weekend.

&&

.AVIATION...(For the 00Z TAFS through 00Z Sunday evening)
Issued at 648 PM CDT Sat Jun 4 2022

Thunderstorms will be the main aviation concern the next 24 hours.
Scattered thunderstorms continue southeast of a KLBF through KBBW
line and also west of KOGA. These thunderstorms will continue to
track southeast tonight. Additional showers and thunderstorms
Sunday, especially across north central NE. Included -SHRA at
KVTN 14Z-18Z. IFR to MVFR ceilings are also expected across north
central Nebraska including KVTN beginning after 06Z until 18Z,
with lifting ceilings to VFR during the afternoon.

&&

.LBF WATCHES/WARNINGS/ADVISORIES...
None.
&&

SHORT TERM...MBS
LONG TERM...MBS
AVIATION...Roberg

Hazardous Weather Outlook
National Weather Service North Platte NE
251 PM CDT Sat Jun 4 2022

NEZ004>010-022>029-035>038-056>059-069>071-094-052000-
Sheridan-Eastern Cherry-Keya Paha-Boyd-Brown-Rock-Holt-Garden-
Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-Arthur-McPherson-
Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-Hayes-Frontier-
Western Cherry-
251 PM CDT Sat Jun 4 2022 /151 PM MDT Sat Jun 4 2022/

This Hazardous Weather Outlook is for portions of western and
north central Nebraska.

.DAY ONE...TONIGHT.

Thunderstorms are possible late this afternoon and evening across
portions of north central and western Nebraska. Some storms may
be strong to severe with the greatest threat for severe storms
generally south of Highway 2. Large hail and gusty winds are the
main severe threats along with localized heavy rainfall

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

Thunderstorm chances continue on Sunday and Monday. On Sunday,
there is slight risk for severe thunderstorms mainly along and
east of Highway 83. Some storms may be strong to severe with the
main hazards being large hail and damaging winds.

Near daily thunderstorm chances continue through Friday in the
afternoon and evening. Exact timing and location still remains
uncertain as well as severe potential.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

&&

Get your weather, hydrological, and climate information at
http://www.weather.gov/northplatte

Special Weather Statement
National Weather Service North Platte NE
501 PM MDT Sat Jun 4 2022

NEZ022-042345-
Garden NE-
501 PM MDT Sat Jun 4 2022

...A strong thunderstorm will impact portions of southwestern Garden
County through 545 PM MDT...

At 501 PM MDT, Doppler radar was tracking a strong thunderstorm 11
miles south of Lisco, or 18 miles west of Oshkosh, moving east at 20
mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Oshkosh and Intersection of Highway 27 and 9 Mile Road.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 4150 10225 4123 10222 4123 10261 4139 10261
      4140 10264 4143 10264
TIME...MOT...LOC 2301Z 264DEG 19KT 4133 10269

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Sporer

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Special Weather Statement
National Weather Service North Platte NE
639 PM CDT Sat Jun 4 2022

NEZ038-050015-
Custer NE-
639 PM CDT Sat Jun 4 2022

...Strong thunderstorms will impact portions of central Custer County
through 715 PM CDT...

At 639 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Berwyn to near Broken Bow to 9 miles west
of Merna. Movement was southeast at 15 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Broken Bow, Ansley, Merna, Berwyn, Westerville and Pleasant Hill.

This includes the following highways...
 Highway 183 between mile markers 90 and 100.
 Highway 2 between mile markers 268 and 294.
 Highway 92 between mile markers 257 and 273, and between mile
markers 303 and 308.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
central Nebraska.

&&

LAT...LON 4139 10009 4156 10008 4140 9921 4139 9920
      4126 9920
TIME...MOT...LOC 2339Z 299DEG 12KT 4136 9941 4136 9969 4146 9994

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Sporer

Special Weather Statement
National Weather Service North Platte NE
601 PM MDT Sat Jun 4 2022

NEZ057-050030-
Keith NE-
601 PM MDT Sat Jun 4 2022

...A strong thunderstorm will impact portions of central Keith County
through 630 PM MDT...

At 601 PM MDT, Doppler radar was tracking a strong thunderstorm near
Brule, or 8 miles west of Ogallala, moving east at 15 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Ogallala, Brule, Keystone, Roscoe, Kingsley Dam and Lake View
Campground.

This includes the following highways...
 Highway 61 between mile markers 83 and 103.
 Highway 92 between mile markers 133 and 138.
 Interstate 80 in Nebraska between mile markers 114 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until midnight MDT for
southwestern Nebraska.

&&

LAT...LON 4107 10195 4125 10197 4132 10159 4105 10156
TIME...MOT...LOC 0001Z 264DEG 14KT 4117 10187

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Sporer

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
711 PM CDT SAT JUN 4 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0530 PM     HAIL             7 WNW OCONTO            41.18N 99.89W
06/04/2022  E1.00 INCH       CUSTER             NE   PUBLIC

&&

ROBERG

Special Weather Statement
National Weather Service North Platte NE
719 PM CDT Sat Jun 4 2022

NEZ038-050045-
Custer NE-
719 PM CDT Sat Jun 4 2022

...A strong thunderstorm will impact portions of east central Custer
County through 745 PM CDT...

At 719 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Weissert, or 17 miles east of Broken Bow, moving
southeast at 15 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Westerville and Arcadia Diversion Dam State Wildlife Management Area.

This includes Highway 183 between mile markers 96 and 102.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
central Nebraska.

&&

LAT...LON 4128 9932 4144 9946 4153 9925 4149 9921
      4140 9921 4139 9920 4134 9920
TIME...MOT...LOC 0019Z 329DEG 15KT 4143 9931

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

Sporer