Area Forecast Discussion
Issued by NWS Hastings, NE

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FXUS63 KGID 251723
AFDGID

Area Forecast Discussion
National Weather Service Hastings NE
1223 PM CDT Wed Apr 25 2018

.SHORT TERM...(Today and tonight)
Issued at 243 AM CDT Wed Apr 25 2018

Early this morning, an upper level wave is in the process of
slowly moving through the area, with the center of the 500mb low
situated almost directly over central Nebraska. The area remained
mostly dry through the evening, although short-term models
indicate that additional rain will develop into the pre-dawn hours
of Wednesday, before gradually shifting southeastward with the
upper-level system.

The area will dry out from north to south today. If current
trends hold, precipitation should end by around dawn in
northwestern parts of the area (Lexington, Ord, etc), mid morning
in the tri-cities, and by mid afternoon in southeastern parts of
the forecast area (Beloit, Hebron, etc). We should see rapid
clearing skies behind the precipitation allowing some locations to
salvage a pretty nice afternoon as highs reach the mid 50s to low
60s. Winds will also taper off this afternoon as the surface
ridge moves overhead and the pressure gradient weakens.

Light winds and clear skies should allow temperatures to fall
into the 30s across the area tonight.

Attention then shifts to the next wave and associated cold front
that is poised to move through the area Thursday morning. This
will likely bring stronger northerly winds than the last system
did. Gusts around 35 MPH are likely. Due to the quick-moving
nature of this system, it won`t have much moisture to work with,
so it only brings a slight chance of very light rain...probably no
more than sprinkles at most places.

High pressure once again moves into the area Thursday evening,
allowing skies to clear and winds to go calm. This will likely
lead to a chilly overnight with lows in the low-mid 30s.

.LONG TERM...(Thursday through Tuesday)
Issued at 243 AM CDT Wed Apr 25 2018

No major changes were made to the extended forecast. We are still
expecting a shift to significantly warmer weather. This is due to
upper ridge moving overhead on Friday-Saturday, and eventually
shifting into southwesterly flow Sunday through early next week.

Highs Friday are expected to be in the upper 60s to near 70
degrees...not overly warm, but it will feel very nice as winds are
expected to be light. Saturday will be a bit warmer, but south
winds will also be on the increase during the afternoon. Southerly
winds really pick up Sunday through Tuesday, allowing
temperatures to reach the upper 70s and low 80s.

Regarding precipitation, an upper low is expected to move onto
the west coast late in the week, and will eject several smaller
waves into the central CONUS Sunday night through Tuesday. With
the increased warm/moist air in the region, we may finally see
some thunderstorms across the local area again. Depending on how
things play out, severe weather is possible, but fine scale
details are much too uncertain to pin down any specific details.

&&

.AVIATION...(For the 18Z KGRI/KEAR TAFS through 18Z Thursday)
Issued at 1217 PM CDT Wed Apr 25 2018

MVFR to VFR is forecast for vis and clouds through the period.
Winds will shift from NW to SW as a surface high builds into the
area this afternoon. Tomorrow morning a decent cold front will
push through the area bringing with it gusty NW winds and maybe a
sprinkle or two.

&&

.GID WATCHES/WARNINGS/ADVISORIES...
NE...None.
KS...None.
&&

$$

SHORT TERM...Mangels
LONG TERM...Mangels
AVIATION...Beda


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