Severe Thunderstorm Warning 259, NWS North Platte, NE

Area Forecast Discussion
National Weather Service North Platte NE
626 PM CDT Wed Jul 27 2022

.SHORT TERM...(This evening through Thursday night)
Issued at 332 PM CDT Wed Jul 27 2022

A weak area of surface low pressure is located across northeast CO
this afternoon. A weak stationary front extends east of this low
pressure across northern KS. A band of mid-level showers continue to
track southeast in the wake of an earlier, small complex of storms
that moved southeast across the Panhandle into far southwest NE. A
secondary boundary extends across northern NE and separates higher
dew points to the south and lower northward into SD. A few high
based thunderstorms could evolve across portions of southern SD and
drift into northern NE late this afternoon. The other more
significant storm potential would be across the Panhandle into
northern CO and far southwest NE. The earlier convection from this
morning has created an outflow boundary (which has now stalled) from
near Scottsbluff to Sidney and then southeastward into northwest KS.
This boundary may drift back northward into areas south of I-80
across southwest NE this evening, where several CAM members develop
convection and then track a complex of storms southeastward from
there into northern KS overnight. Initially, supercells and
potential severe, will transition to more of a heavy rain threat as
the complex moves into northern KS. Otherwise the activity across
northern NE should generally be weaker and more isolated and
dissipate by mid evening.

Surface high pressure will push southeast through the MO River
Valley Thursday into Thursday night. This will push the boundary
currently located across northern KS farther south into OK. The
focus for rainfall will also be confined to areas to the south and
southwest nearer the frontal boundary. Otherwise continued
comfortable temperatures with the reinforcing surface high pushing
in from Canada. In fact, dew points likely lowering into the 40s
across portions of northern NE.

.LONG TERM...(Friday through Wednesday)
Issued at 332 PM CDT Wed Jul 27 2022

An upper area of low pressure that has been centered near Hudson Bay
will shift eastward by the weekend. Meanwhile the upper ridge across
the western CONUS will begin to build farther to the east across the
Rockies. A weak, nearly stationary front will remain located
across the High Plains from western KS into the NE Panhandle.
Several rounds of showers/thunder are expected across this area
into the weekend. Unfortunately the main focus for precipitation
looks to remain mostly south and southwest of our area. The heat
will gradually build back into the area as the upper level high
builds toward the Central Plains next week. High temperatures will
be back into the 90s to lower 100s Monday through Wednesday.

&&

.AVIATION...(For the 00Z TAFS through 00Z Thursday evening)
Issued at 614 PM CDT Wed Jul 27 2022

Scattered thunderstorms have started to develop across the
Panhandle into the Sandhills and will spread south through the
evening and overnight hours tonight. Thunderstorms may linger
across SW Nebraska around sunrise, however confidence is too low
for inclusion at KLBF at this time. Future additional inclusion
of TS at LBF is possible. VFR conditions are expected to prevail,
however MVFR conditions are possible within thunderstorms. Winds
will shift from being generally southerly to the north once a
frontal boundary moves through the area during the early morning
hours.

&&

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

SHORT TERM...Taylor
LONG TERM...Taylor
AVIATION...Brown/Viken

Hazardous Weather Outlook
National Weather Service North Platte NE
849 PM CDT Wed Jul 27 2022

NEZ004>010-022>029-035>038-056>059-069>071-094-281200-
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-
849 PM CDT Wed Jul 27 2022 /749 PM MDT Wed Jul 27 2022/

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

.DAY ONE...TONIGHT.

A Severe Thunderstorm Watch is in effect for portions of southwest
Nebraska until 2AM CDT/1AM MDT. Damaging winds and large hail are
the primary threats. Localized heavy rainfall will be possible
for southwest Nebraska and the southern Sandhills.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed through tonight.

&&

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

Special Weather Statement
National Weather Service North Platte NE
640 PM MDT Wed Jul 27 2022

NEZ022-035-056-057-280130-
Deuel NE-Arthur NE-Garden NE-Keith NE-
640 PM MDT Wed Jul 27 2022

...Strong thunderstorms will impact portions of southwestern Arthur,
northwestern Keith, southeastern Garden and northeastern Deuel
Counties through 730 PM MDT...

At 640 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 14 miles west of Arthur to 9 miles north of
Lewellen to near Oshkosh. Movement was southeast at 30 mph.

HAZARD...Wind gusts up to 50 mph and pea 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, Lewellen, Lemoyne, Eagle Gulch Campground, Ruthon, Clear
Creek State Wildlife Management Area, Otter Creek Campground, Lake
View Campground, Ash Hollow State Historical Park, Belmar, Bourquim
Hill, Bluewater Battlefield State Historical Park and Windlass Hill.

This includes the following highways...
 Highway 61 between mile markers 100 and 110.
 Highway 92 between mile markers 115 and 138.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If on or near Lake McConaughy, get out of the water and move indoors
or inside a vehicle. Remember, lightning can strike out to 10 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now! Do not
be caught on the water in a thunderstorm.

Persons in campgrounds should consider seeking sturdy shelter until
these storms pass.

&&

LAT...LON 4128 10161 4109 10222 4154 10242 4169 10199
TIME...MOT...LOC 0038Z 335DEG 27KT 4157 10197 4147 10213 4145 10237

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

Brown

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PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
911 PM CDT WED JUL 27 2022

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

0902 PM     TSTM WND GST     5 S OGALLALA            41.06N 101.72W
07/27/2022  M62.00 MPH       KEITH              NE   STORM CHASER

            STORM CHASER MEASURED WIND GUST VIA ANEMOMETER WHILE
            STATIONARY

&&

VIKEN

Special Weather Statement
National Weather Service North Platte NE
838 PM MDT Wed Jul 27 2022

NEZ058-069-280330-
Chase NE-Perkins NE-
838 PM MDT Wed Jul 27 2022

...A strong thunderstorm will impact portions of southwestern Perkins
and northwestern Chase Counties through 930 PM MDT...

At 838 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Venango, or 10 miles southwest of Grant, moving
southeast at 20 mph.

HAZARD...Wind gusts of 50 to 55 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...
Chase.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

A Severe Thunderstorm Watch remains in effect until 100 AM MDT for
southwestern Nebraska.

&&

LAT...LON 4079 10198 4082 10173 4055 10165 4053 10190
TIME...MOT...LOC 0238Z 316DEG 18KT 4077 10190

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

Brown

Special Weather Statement
National Weather Service North Platte NE
1009 PM CDT Wed Jul 27 2022

NEZ005-024-025-036-037-094-280400-
Hooker NE-Eastern Cherry NE-McPherson NE-Western Cherry NE-Thomas NE-
Logan NE-
1009 PM CDT Wed Jul 27 2022

...Strong thunderstorms will impact portions of southeastern Cherry,
Hooker, northwestern Logan, northern McPherson, western Blaine and
Thomas Counties through 1100 PM CDT/1000 PM MDT/...

At 1008 PM CDT/908 PM MDT/, Doppler radar was tracking strong
thunderstorms along a line extending from 9 miles south of Brownlee
to 13 miles southeast of Whitman. Movement was southeast at 35 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Mullen, Thedford, Halsey, Seneca, Highway 83 crossing The Dismal
River, Big Lamunyon Flats, East Cody Lake, Norway, Highway 97
crossing the Dismal River, Natwick, Schnick Lake, Kelso and Shimmons
Lake.

This includes the following highways...
 Highway 2 between mile markers 181 and 227.
 Highway 92 between mile markers 188 and 195.
 Highway 97 between mile markers 35 and 69.
 Highway 83 between mile markers 132 and 168.

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.

&&

LAT...LON 4197 10026 4185 10026 4150 10125 4194 10142
      4226 10053
TIME...MOT...LOC 0308Z 335DEG 32KT 4216 10058 4190 10135

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

Sporer