National Weather Service United States Department of Commerce

Aviation Forecast Discussion

.AVIATION... 
18Z TAFS: Good visibility and mainly clear skies are expected
through Wednesday morning. The arrival of a dry cold front will
lead to north winds increasing between 12z-18z. North wind
channeling down the Okanogan Valley will produce increasingly 
gusty winds for smaller airports like Omak, Grand Coulee, and 
Ephrata experiencing sustained winds of 15kts gusting to 25kts by 
18z. By Wednesday afternoon, the aforementioned airports will 
experience sustained 20-30kt winds with gusts up to 40kts. Our 00z
TAFs will include more information on this unfolding wind event 
for central and north central Washington including gusts of 25 to 
30kts for Moses Lake, Wenatchee, Pullman, Spokane International, 
and Lewiston.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence 
in VFR conditions through 18z Wednesday. Our 00z set of TAFs may
include some patchy blowing dust around Moses Lake. /GKoch

-----------------------
Confidence descriptors:
Low - Less than a 30 percent chance 
Moderate - 30 to 70 percent chance
High - Greater than a 70 percent chance

&&

Latest GEG Terminal Aerodrome Forecast (TAF)

FTUS44 KGEG 151739
KGEG 151736Z 1518/1618 22006KT P6SM FEW250
     FM152300 26008KT P6SM FEW250
     FM160400 21007KT P6SM SCT250
     FM161500 31012G18KT P6SM FEW060 SCT150

Latest Area Terminal Aerodrome Forecasts (TAFs)

FTUS44 KSFF 311127
KSFF 311123Z 3112/0112 07005KT P6SM OVC070
     FM311500 15005KT 6SM -SHRA BKN018
     FM311700 22006KT P6SM SCT010 BKN013
     FM312200 23006KT P6SM SCT020 BKN035
     FM010000 22007KT P6SM OVC050
     FM010600 20003KT P6SM -SHRA OVC050

FTUS46 KOTX 311123
TAFCOE
TAF
KCOE 311123Z 3112/0112 13005KT P6SM -RA FEW030 BKN045 OVC060
     FM311500 17006KT 6SM -SHRA BKN018
     FM311700 19007KT 6SM -SHRA SCT008 BKN009
     FM311800 23007KT P6SM SCT008 BKN013
     FM010100 20006KT P6SM -RA SCT020 OVC030
     FM011000 20005KT 4SM -RA BR OVC015=

FTUS54 KPUW 311127
KPUW 311123Z 3112/0112 14012KT P6SM SCT100
     FM311500 18005KT P6SM SCT007 BKN025
     FM312100 27011KT P6SM SCT018 BKN035 PROB30 3122/3124 6SM
      -SHRA
      BKN019 BKN022
     FM010400 22004KT P6SM OVC050
     FM010600 23004KT P6SM BKN100

FTUS46 KOTX 311123
TAFLWS
TAF
KLWS 311123Z 3112/0112 12004KT P6SM FEW060 BKN100
     FM311300 VRB03KT P6SM BKN080
     FM311900 28007KT P6SM BKN045
     FM010100 23007KT P6SM BKN060
     FM010900 18004KT P6SM OVC100=

FTUS44 KMWH 311127
KMWH 311123Z 3112/0112 10004KT P6SM SKC
     FM311600 20007KT P6SM BKN070
     FM312000 21011KT P6SM BKN080
     FM010000 23011KT P6SM SCT060
     FM010600 22005KT P6SM OVC250

FTUS80 KEAT 311124 RRB
KEAT 311123Z 3112/0112 34006KT P6SM SKC
     FM311400 VRB04KT P6SM BKN090
     FM312200 26009KT P6SM BKN070 PROB30 3122/3124 6SM -SHRA
      OVC050
     FM010000 30009KT P6SM BKN080
     FM010700 31009KT P6SM OVC100

FTUS46 KSEW 311459 AAA
TAFSEA
TAF AMD
KSEA 311459Z 3115/0118 17004KT P6SM SCT040 BKN200
     FM311800 22010KT P6SM VCSH OVC050
     FM010300 19006KT P6SM VCSH OVC040
     FM011000 20004KT P6SM OVC035
     FM011600 18006KT P6SM VCSH OVC030=

FTUS80 KBOI 311121 RRD
KBOI 311120Z 3112/0112 13009KT P6SM VCSH OVC080
     FM311600 14013KT P6SM -SHRA OVC035
     FM312000 31012G18KT P6SM -SHRA OVC035 PROB30 3120/3123
      29018G27KT 4SM -TSRA OVC030CB
     FM010200 VRB06KT P6SM VCSH BKN040
     FM011000 14005KT P6SM BKN080

FTUS54 KPDT 311230 CCA
KPDT 311228Z 3112/0112 17005KT P6SM BKN045 OVC060
     FM311300 19006KT P6SM BKN070 BKN120
     FM311800 27015G24KT P6SM VCSH BKN060 OVC080
      TEMPO 3118/3121 -RA BKN040 OVC050
     FM010200 22009KT P6SM SCT070 BKN120

FTUS80 KALW 311142
KALW 311139Z 3112/0112 16007KT P6SM -RA SCT050 OVC070
      TEMPO 3112/3113 23012G23KT
     FM311800 23014G23KT P6SM BKN060 OVC080
      TEMPO 3118/3122 -RA BKN035 OVC050
     FM312300 19012KT P6SM BKN090 OVC120

FTUS80 KPSC 311142 RRK
KPSC 311139Z 3112/0112 19003KT P6SM BKN090
      TEMPO 3112/3113 21014G23KT
     FM311800 23013KT P6SM BKN070
     FM312200 23015G25KT P6SM VCSH BKN070 BKN100
     FM010200 23008KT P6SM SCT100 BKN250

FTUS54 KYKM 311142 RRB
KYKM 311139Z 3112/0112 27004KT P6SM BKN120
     FM311800 20009KT P6SM FEW070 BKN120
     FM312300 28012KT P6SM BKN100
     FM010200 28006KT P6SM SCT080 BKN120

FTUS54 KDLS 311142
KDLS 311139Z 3112/0112 11005KT P6SM SCT060 BKN100
     FM311500 30007KT P6SM SCT060 BKN080
      TEMPO 3121/3123 30014G22KT -RA
     FM312300 30014G22KT P6SM SCT080 BKN150
     FM010200 30008KT P6SM SCT100 BKN250

FTUS46 KPDT 311139
TAFBDN
TAF
KBDN 311139Z 3112/0112 20009KT P6SM SCT050 BKN080
      TEMPO 3112/3113 20010G23KT
     FM311600 21011G20KT P6SM BKN080
     FM010000 23006KT P6SM BKN080
     FM010800 17005KT P6SM SCT060 BKN100=

FTUS44 KMSO 311445 AAA
KMSO 311443Z 3115/0112 12011KT 6SM -SHRA OVC035
      TEMPO 3115/3116 3SM -SHRASN OVC025
     FM312300 30006KT 6SM -SHRA OVC025
     FM010200 32003KT 6SM -SHRA BR OVC040

FTUS80 KBTM 311121 RRD
KBTM 311120Z 3112/0112 15005KT P6SM VCSH OVC050
     FM311900 23011KT 6SM -SHRA OVC040
     FM010500 VRB04KT 3SM -SN BR OVC015

FTUS80 KSMN 311445 AAA
KSMN 311444Z 3115/0112 VRB03KT 6SM -RA BKN020 OVC050
     FM311600 14004KT P6SM VCSH BKN050
     FM311800 21011G18KT 6SM -SHRA OVC070
     FM312300 24008KT P6SM -SHRA BKN050

FTUS80 KGPI 311121 RRM
KGPI 311120Z 3112/0112 03008KT 6SM -SHRA BR SCT025 OVC035
     FM311500 03008KT 6SM -SHRA BKN030
     FM312000 05006KT P6SM VCSH BKN035
     FM010800 VRB03KT 5SM -RASN BR OVC025

Raw METARs for WFO OTX CWA and Surrounding Areas

--TAFs--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KGEG1753Z593338170510FEW250
KSFF1753Z593236VRB310CLR
KCOE1756Z593135calm10CLR
KPUW1753Z603235200510CLR
KLWS1756Z584153350510CLR
KMWH1752Z603438calm10CLR
KEAT1755Z573341180510CLR
--WA--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KOMK1753Z583441calm10CLR
KS10
KEPH1753Z623435calm10CLR
K63S1735Z502843calm10CLR
KDEW1753Z553445calm10CLR
KSKA1755Z603539calm10CLR
--ID--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
K65S1735Z503047calm10CLR
KSZT1755Z523247140510CLR
KMLP1753Z50223310CLR
-PDT TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KPDT1753Z623841calm10CLR
KALW1753Z613335300510CLR
KPSC1753Z613741calm10CLR
KYKM1753Z613436calm10CLR
KDLS1753Z584153calm10CLR
KRDM1756Z613639calm10CLR
KBDN1735Z633434calm10CLR
-MSO TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KMSO1753Z552937130310CLR
KBTM1753Z581518VRB510CLR
KSMN1756Z552329calm10CLR
KGPI1755Z563139130610CLR
KHRF1730Z543244350510CLR
-Misc-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KSEA1753Z574667350910FEW030
BKN250
KSMP1756Z533143VRB610CLR
KELN1753Z573645VRB310CLR
KRLD1755Z633943calm10CLR
KGIC1755Z55375160510CLR
K1S51755Z593439calm10CLR
KHRI1753Z604047calm10CLR
KP691652Z523145103

Lowest Expected Flight Category Forecasts - EXPERIMENTAL

 

•This site is for informational purposes. It should be used with other preflight information sources needed to satisfy all the requirements of 14 CFR 91.103. It is NOT designed to be used as a primary or sole source of information for preflight action. Refer to Flight Service for more information.

 
0-1 hr Ceiling Forecast 0-1 hr Visibility Forecast

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1-2 hr Ceiling Forecast 1-2 hr Visibility Forecast

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2-3 hr Ceiling Forecast 2-3 hr Visibility Forecast

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3-4 hr Ceiling Forecast 3-4 hr Visibility Forecast

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4-5 hr Ceiling Forecast 4-5 hr Visibility Forecast

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5-6 hr Ceiling Forecast 5-6 hr Visibility Forecast

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6-12 hr Ceiling Forecast 6-12 hr Visibility Forecast

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12-18 hr Ceiling Forecast 12-18 hr Visibility Forecast

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18-24 hr Ceiling Forecast 18-24 hr Visibility Forecast

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HREF Ceiling Probabilities - EXPERIMENTAL

 

•These plots are produced by HREF ensemble guidance and are for informational purposes. It should be used with other preflight information sources needed to satisfy all the requirements of 14 CFR 91.103. It is NOT designed to be used as a primary or sole source of information for preflight action. Refer to Flight Service for more information.

 
0-1 hr Probability of Ceiling < 1000 ft 0-1 hr Probability of Ceiling < 2000 ft 0-1 hr Probability of Ceiling < 3000 ft

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1-2 hr Probability of Ceiling < 1000 ft 1-2 hr Probability of Ceiling < 2000 ft 1-2 hr Probability of Ceiling < 3000 ft

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2-3 hr Probability of Ceiling < 1000 ft 2-3 hr Probability of Ceiling < 2000 ft 2-3 hr Probability of Ceiling < 3000 ft

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3-4 hr Probability of Ceiling < 1000 ft 3-4 hr Probability of Ceiling < 2000 ft 3-4 hr Probability of Ceiling < 3000 ft

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4-5 hr Probability of Ceiling < 1000 ft 4-5 hr Probability of Ceiling < 2000 ft 4-5 hr Probability of Ceiling < 3000 ft

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5-6 hr Probability of Ceiling < 1000 ft 5-6 hr Probability of Ceiling < 2000 ft 5-6 hr Probability of Ceiling < 3000 ft

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6-12 hr Probability of Ceiling < 1000 ft 6-12 hr Probability of Ceiling < 2000 ft 6-12 hr Probability of Ceiling < 3000 ft

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12-18 hr Probability of Ceiling < 1000 ft 12-18 hr Probability of Ceiling < 2000 ft 12-18 hr Probability of Ceiling < 3000 ft

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18-24 hr Probability of Ceiling < 1000 ft 18-24 hr Probability of Ceiling < 2000 ft 18-24 hr Probability of Ceiling < 3000 ft

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HREF Visibility Probabilities - EXPERIMENTAL

 

•These plots are produced by HREF ensemble guidance and are for informational purposes. It should be used with other preflight information sources needed to satisfy all the requirements of 14 CFR 91.103. It is NOT designed to be used as a primary or sole source of information for preflight action. Refer to Flight Service for more information.

 
0-1 hr Probability of Visibility < 0.25 mi 0-1 hr Probability of Visibility < 0.5 mi 0-1 hr Probability of Visibility < 1 mi

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1-2 hr Probability of Visibility < 0.25 mi 1-2 hr Probability of Visibility < 0.5 mi 1-2 hr Probability of Visibility < 1 mi

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2-3 hr Probability of Visibility < 0.25 mi 2-3 hr Probability of Visibility < 0.5 mi 2-3 hr Probability of Visibility < 1 mi

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3-4 hr Probability of Visibility < 0.25 mi 3-4 hr Probability of Visibility < 0.5 mi 3-4 hr Probability of Visibility < 1 mi

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4-5 hr Probability of Visibility < 0.25 mi 4-5 hr Probability of Visibility < 0.5 mi 4-5 hr Probability of Visibility < 1 mi

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5-6 hr Probability of Visibility < 0.25 mi 5-6 hr Probability of Visibility < 0.5 mi 5-6 hr Probability of Visibility < 1 mi

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6-12 hr Probability of Visibility < 0.25 mi 6-12 hr Probability of Visibility < 0.5 mi 6-12 hr Probability of Visibility < 1 mi

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12-18 hr Probability of Visibility < 0.25 mi 12-18 hr Probability of Visibility < 0.5 mi 12-18 hr Probability of Visibility < 1 mi

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18-24 hr Probability of Visibility < 0.25 mi 18-24 hr Probability of Visibility < 0.5 mi 18-24 hr Probability of Visibility < 1 mi

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0-1 hr Probability of Visibility < 2 mi 0-1 hr Probability of Visibility < 4 mi

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1-2 hr Probability of Visibility < 2 mi 1-2 hr Probability of Visibility < 4 mi

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2-3 hr Probability of Visibility < 2 mi 2-3 hr Probability of Visibility < 4 mi

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3-4 hr Probability of Visibility < 2 mi 3-4 hr Probability of Visibility < 4 mi

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4-5 hr Probability of Visibility < 2 mi 4-5 hr Probability of Visibility < 4 mi

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5-6 hr Probability of Visibility < 2 mi 5-6 hr Probability of Visibility < 4 mi

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6-12 hr Probability of Visibility < 2 mi 6-12 hr Probability of Visibility < 4 mi

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12-18 hr Probability of Visibility < 2 mi 12-18 hr Probability of Visibility < 4 mi

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18-24 hr Probability of Visibility < 2 mi 18-24 hr Probability of Visibility < 4 mi

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KOTX Radar Loop

KOTX Radar

KATX Radar Loop

KATX Radar

KPDT Radar Loop

KPDT Radar

KMSX Radar Loop

KMSX Radar

GeoColor

GeoColor Image

Visible Satellite

Visible Image

Day Cloud Phase - Night Microphysics

Day Cloud Phase Night Microphysics Image

Infrared Satellite

Infrared Image

ZSE Briefing

ZNY Briefing

Turbulence PIREPs

Turbulence PIREPs

Icing PIREPs

Icing PIREPs

Weather/Sky PIREPs

Weather/Sky PIREPs

Current SIGMETs

Current SIGMETs

Sierra (Mountains/IFR) AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Tango (Turbulence/LLWS) AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Icing AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Freezing Level AIRMETs

Current 3-hr Forecast 6-hr Forecast

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9-hr Forecast 12-hr Forecast

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Legend

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