095
FXUS63 KGID 180852
AFDGID
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
352 AM CDT FRI SEP 18 2020
DISCUSSION
(TODAY THROUGH THURSDAY)
ISSUED AT 309 AM CDT FRI SEP 18 2020
HIGH PRESSURE ACROSS THE INTERMOUNTAIN WEST WILL CONTINUE ITS SLOW
PROGRESSION EASTWARD OVER THE NEXT COUPLE OF DAYS...PEAKING ACROSS
THE LOCAL AREA ON SUNDAY. AS THIS RIDGE AXIS TRANSITIONS
EAST...EXPECT TEMPERATURES TO CORRESPONDINGLY WARM...REACHING THE
MID 80S ACROSS MUCH OF THE LOCAL AREA SUNDAY AFTERNOON. WHILE THE
UPPER LEVEL LOW...CURRENTLY ACROSS THE PACIFIC NORTHWEST...WILL
EVENTUALLY PUSH THIS RIDGE EAST LATE SUNDAY INTO MONDAY...HEIGHTS
WILL QUICKLY REBOUND BY MONDAY AFTERNOON...WITH TEMPERATURES
LIKELY REMAINING IN THE 80S EACH AFTERNOON THROUGH AT LEAST THE
MIDDLE OF NEXT WEEK. AS A RESULT...DRY AND SEASONABLY WARM
TEMPERATURES WILL BE THE RULE THROUGH MUCH OF THE EXTENDED
PERIODS.
FOR TODAY...DID ADD SOME HAZE TO THE FORECAST AS SMOKE FROM THE
WILDFIRES TO OUR WEST WILL LIKELY STILL IMPACT THE LOCAL AREA.
WHILE MODELS RETREAT THE WORST VISIBILITIES TO OUR WEST...THINK
HAZY SUNSHINE WILL ONCE AGAIN BE THE RULE...WITH ANY REDUCED
VISIBILITIES LIKELY LIMITED TO AREAS WEST OF HIGHWAY 183 AS
HINTED BY THE MODELS. OTHER THAN THE SMOKE POTENTIAL
CONTINUING...DRY WEATHER WILL BE THE RULE ACROSS THE LOCAL AREA
WITH THE SMALL CHANCES THAT WERE IN THE FORECAST FOR SUNDAY NIGHT
NOW GONE...AND ONLY A HINT AT A FEW SHOWERS WITH A PASSING TROUGH
NEXT WEDNESDAY THAT WERE GIVEN BY THE BLEND OF MODEL DATA...BUT
REMOVED AS THE SIGNALS FOR THIS ARE BOTH WEAK AND MIXED.
ONE OTHER AREA OF CONCERN IS THE POTENTIAL FOR ELEVATED FIRE
WEATHER CONDITIONS OVER THE UPCOMING WEEKEND. AS THE WEST COAST
TROUGH MAKES ITS WAY EAST OVER THE WEEKEND...LOW PRESSURE WILL
INTENSIFY ON THE LEE SIDE OF THE ROCKIES...INCREASING THE LOCAL
PRESSURE GRADIENT AND RESULTING IN BREEZY/WINDY CONDITIONS
DEVELOPING BOTH SATURDAY AND SUNDAY AFTERNOONS. WHILE WINDS ALONE
WILL BE NEAR CRITICAL THRESHOLDS FOR FIRE WEATHER...AT THE PRESENT
TIME...RELATIVE HUMIDITIES LOOK TO REMAIN ABOVE CRITICAL
THRESHOLDS BUT WILL NEED TO MONITOR AS ADDITIONAL WARMING OR
DEEPER MIXING COULD EVENTUALLY RESULT IN NEAR CRITICAL FIRE
WEATHER CONDITIONS DEVELOPING OVER THE UPCOMING WEEKEND.
AVIATION
(FOR THE 06Z KGRI/KEAR TAFS THROUGH 06Z SATURDAY)
ISSUED AT 1227 AM CDT FRI SEP 18 2020
VFR CONDITIONS ARE EXPECTED THROUGH THE PERIOD WITH SOME HAZE
POSSIBLE FROM TIME TO TIME...BUT NO VISIBILITY RESTRICTIONS
EXPECTED AS THE HEAVIER AREAS OF SMOKE FROM WILDFIRES TO OUR WEST
ARE EXPECTED TO CONTINUE TO RETREAT WESTWARD. OTHERWISE...EXPECT
LIGHT SOUTHEASTERLY WINDS THROUGH AROUND MIDDAY...WHICH WILL
INCREASE TO BETWEEN 12-15KTS BY AFTERNOON AS THE PRESSURE GRADIENT
TIGHTENS ACROSS THE LOCAL AREA.
GID WATCHES/WARNINGS/ADVISORIES
NE...NONE.
KS...NONE.
DISCUSSION...ROSSI
AVIATION...ROSSI
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