Severe Thunderstorm Warning 90, NWS North Platte, NE

Area Forecast Discussion
National Weather Service North Platte NE
627 PM CDT Fri Jun 13 2025

.KEY MESSAGES...

- A Slight Risk (level 2 of 5) for severe weather is in place
  for both Friday and Saturday as rounds of strong to severe
  thunderstorms appear probable across western Nebraska.

- Increased rain and thunderstorm potential appears set to
  return Monday through Tuesday with probabilities of exceeding
  0.5" total rainfall above 50% for north central and central
  Nebraska.

&&

.SHORT TERM /THROUGH SATURDAY NIGHT/...
Issued at 411 PM CDT Fri Jun 13 2025

For tonight, surface winds late this afternoon will remain from
the southeast extending back into southeast Wyoming and eastern
Colorado. Dewpoints will be in the low to mid 60s. The surface
front will become nearly stationary over north central Nebraska,
as surface low pressure extends from central Wyoming to along
the Colorado Front Range. SBCAPEs from 2000 to 3000 J/kg by
late afternoon across the eastern panhandle and western
Sandhills prior to any convection. The increase in instability
and effective bulk shear from 25 to 3kts, will be more
favorable for strong to severe storms. Also, conditions appear
favorable for potential MCS development moving into the
southeast Panhandle early this evening, and into southwest
Nebraska mid to late evening, as shown by recent runs of the
HRRR and RRFS, and NSSL MPAS. The main severe weather concerns
are damaging wind gusts, especially if the linear convection
develops, as well as some large hail. In these areas, confidence
is high that POPs from 60 to 80 percent are forecast. With the
enhanced southeasterly low level flow and higher dewpoints,
locally heavy rainfall is possible. There is a Slight Risk
(Level 2 of 5) of severe for areas mainly west of a Merriman
through Callaway line, with a Marginal Risk to the east.Across
north central and central Nebraska, much less activity is
expected , with POPS from 20 to 30 percent.

Warmer air returns Saturday, with surface winds becoming
southerly and the surface front lifting north into southern
South Dakota. Highs in the upper 80s to around 90 return to the
area with dewpoints mostly in the mid 60s. A Slight Risk is in
place across western Nebraska, mainly west of a line from
Springview through Callaway and Imperial and a Marginal Risk to
the south and east. An upper level disturbance will cross the
upper ridge axis Saturday night. Storms are expected to be at
least scattered, with 40-60 POPs across the entire forecast
area.

&&

.LONG TERM /SUNDAY THROUGH FRIDAY/...
Issued at 411 PM CDT Fri Jun 13 2025

A frontal boundary will remain in Place Sunday through Tuesday
across the region with daily chances for showers and
thunderstorms mainly from late afternoon into the overnight
hours. A Slight Risk for severe thunderstorms Sunday and Monday
across north central Nebraska. Upper 80s to around 90 Sunday
and Monday, then cooler in the upper 70s to lower 80s Tuesday
into Wednesday as an upper trough crosses the Northern and
Central Plains. Warmer and drier conditions Thursday and Friday
as a strong upper ridge builds into the region.

&&

.AVIATION /00Z TAFS THROUGH 00Z SUNDAY/...
Issued at 625 PM CDT Fri Jun 13 2025

VFR conditions are expected to prevail into tonight outside of
thunderstorms. Scattered thunderstorms will move into western
and southwest Nebraska late this evening and tonight, with brief
MVFR visibilities and gusty, erratic winds. These storms will
exit the area after Midnight CDT.

By early tomorrow morning, low stratus will overspread portions
of north central Nebraska, with IFR/locally LIFR CIGs expected
through late tomorrow morning. A gradual return to VFR is
expected tomorrow afternoon, with widespread VFR then prevailing
into tomorrow evening.

Winds remain southerly through the valid period, at around 10
to 15kts.

&&

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

&&

SHORT TERM...Roberg
LONG TERM...Roberg
AVIATION...Brown

Hazardous Weather Outlook
National Weather Service North Platte NE
430 PM CDT Fri Jun 13 2025

NEZ004>010-022>029-035>038-056>059-069>071-094-142130-
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-
430 PM CDT Fri Jun 13 2025 /330 PM MDT Fri Jun 13 2025/

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

.DAY ONE...Tonight.

Scattered strong to severe thunderstorms are likely to move into
western and southwest Nebraska this evening. Damaging winds and
large hail will be the main severe weather risks. Folks should have a
reliable source for weather alerts if you have outdoor plans Friday.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Scattered strong to severe thunderstorms are again possible each day
Saturday through Tuesday for much of western and north central
Nebraska. At this time, the main concerns are large hail and damaging
winds. A threat for heavy rainfall will also need to be monitored,
particularly Tuesday into Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed.

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