National Weather Service United States Department of Commerce

Aviation Forecast Discussion

.AVIATION...
06Z TAFS: VFR conditions will prevail. Local reductions in 
visibility are possible near and downwind of Lake Chelan due to 
smoke from the Pioneer Fire. A weak weather system will move into 
the region early Sunday morning will increase onshore flow through
the Cascade gaps will bring breezy winds across the region on 
Sunday with the strongest winds in the lee of the Cascades. 

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence in 
VFR conditions. 

-----------------------

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

For additional probabilistic information for NWS Spokane airports, 
please refer to the Aviation Dashboard on our webpage: 
https:/www.weather.gov/otx/avndashboard

&&

Latest GEG Terminal Aerodrome Forecast (TAF)

FTUS44 KGEG 140521
KGEG 140520Z 1406/1506 18007KT P6SM SKC
     FM141800 22013G21KT P6SM SKC
     FM150100 24011KT P6SM SKC

Latest Area Terminal Aerodrome Forecasts (TAFs)

FTUS44 KSFF 140521 RRA
KSFF 140520Z 1406/1506 05004KT P6SM SKC
     FM141800 23010G18KT P6SM SKC
     FM150100 24009KT P6SM SKC

FTUS46 KOTX 140520
TAFCOE
TAF
KCOE 140520Z 1406/1506 14005KT P6SM SKC
     FM141800 22010G18KT P6SM SKC
     FM150000 23008KT P6SM SKC=

FTUS54 KPUW 140521 RRB
KPUW 140520Z 1406/1506 00000KT P6SM SKC
     FM141800 26010G20KT P6SM SKC
     FM150100 26007KT P6SM SKC

FTUS46 KOTX 140520
TAFLWS
TAF
KLWS 140520Z 1406/1506 VRB03KT P6SM SKC
     FM141800 32007G18KT P6SM SKC
     FM150000 30015G23KT P6SM SKC
     FM150300 30011KT P6SM SKC
     FM150400 27006KT P6SM SKC=

FTUS44 KMWH 140521 RRA
KMWH 140520Z 1406/1506 25004KT P6SM SKC
     FM141800 22009G19KT P6SM SKC
     FM150200 27013KT P6SM SKC

FTUS80 KEAT 140521 RRG
KEAT 140520Z 1406/1506 30012KT P6SM SKC
     FM141800 30014G25KT P6SM SKC
     FM150000 30022G28KT P6SM SKC

FTUS80 KSEA 140521 RRW
KSEA 140520Z 1406/1512 01005KT P6SM SKC
     FM141200 VRB04KT P6SM SKC
     FM141800 25005KT P6SM SKC

FTUS44 KBOI 140521
KBOI 140520Z 1406/1506 14005KT P6SM BKN120
     FM141900 31009KT P6SM BKN120
     FM142100 32010G18KT P6SM VCTS BKN120CB

FTUS54 KPDT 140521 RRB
KPDT 140520Z 1406/1506 18008KT P6SM SKC
     FM141700 28017G25KT P6SM SKC

FTUS80 KALW 140521 RRA
KALW 140520Z 1406/1506 15009KT P6SM SKC
     FM141400 21011KT P6SM SKC
     FM141800 23012G21KT P6SM SKC
     FM150300 22011KT P6SM SKC

FTUS80 KPSC 140521 RRU
KPSC 140520Z 1406/1506 32005KT P6SM SKC
     FM140800 17003KT P6SM SKC
     FM141700 24007KT P6SM SKC
     FM150300 30013KT P6SM SKC

FTUS54 KYKM 140521 RRD
KYKM 140520Z 1406/1506 32008KT P6SM SKC
     FM142200 30014G23KT P6SM SKC

FTUS80 KDLS 140521 RRF
KDLS 140520Z 1406/1506 31009KT P6SM SKC
     FM141700 31021G30KT P6SM SKC

FTUS46 KPDT 140520
TAFBDN
TAF
KBDN 140520Z 1406/1506 24005KT P6SM SKC
     FM141700 30006KT P6SM SKC
     FM142100 31014G22KT P6SM SKC
     FM150400 31009KT P6SM SKC=

FTUS44 KMSO 140521
KMSO 140520Z 1406/1506 00000KT P6SM SKC
     FM142100 29010G18KT P6SM SKC
     FM142300 29015G24KT P6SM SKC
     FM150300 32006KT P6SM SKC

FTUS43 KBTM 140521
KBTM 140520Z 1406/1506 13007KT P6SM SKC
     FM141600 32005KT P6SM FEW250
     FM142000 30014G24KT P6SM VCSH BKN250
     FM150300 29006KT P6SM SCT250

FTUS80 KSMN 140521 RRX
KSMN 140520Z 1406/1506 VRB03KT P6SM SKC
     FM141800 33005KT P6SM SCT100 BKN200
     FM142100 29010G18KT P6SM VCSH BKN100
     FM150300 VRB03KT P6SM BKN250

FTUS44 KGPI 140521
KGPI 140520Z 1406/1506 00000KT P6SM SKC
     FM141730 16009KT P6SM SKC
     FM142100 23012G18KT P6SM SKC
     FM150100 28005KT P6SM SKC

Raw METARs for WFO OTX CWA and Surrounding Areas

--TAFs--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KGEG0755Z794328150710CLR
KCOE0756Z695153120310CLR
KPUW0755Z594559calm10CLR
KLWS0756Z763119140510CLR
KMWH0755Z725453calm10CLR
KEAT0755Z825437813001410CLR
--WA--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KS520735Z64495820310CLR
KOMK0755Z734536310810CLR
KS10
KEPH0755Z8145288070810CLR
K63S0755Z594663calm10FEW029
SCT047
BKN120
KDEW0755Z61465940310CLR
KSKA0755Z733727250610CLR
--ID--TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
K65S0755Z75453401310CLR
KSZT0755Z595072calm10CLR
KMLP0755Z703427230510CLR
-PDT TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KPDT0755Z724133100810CLR
KALW0755Z753725260810CLR
KPSC0755Z725965calm10CLR
KYKM0755Z794530310710CLR
KDLS0755Z796154300710CLR
KRDM0756Z654243calm10CLR
KBDN0755Z705253calm10CLR
-MSO TAFs-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KMSO0755Z663632calm10CLR
KBTM0755Z57364480310CLR
KSMN0756Z604660calm10CLR
KGPI0755Z555082340510CLR
KHRF0755Z554567calm10CLR
-Misc-TimeTTdRHHIWCDirWindGPKVisWxPcpClouds
KSEA0755Z72545330810CLR
KSMP0756Z605172210510CLR
KELN0755Z754839310162210CLR
K1YT0755Z79402590510CLR
KRLD0755Z785546calm10CLR
KGIC0755Z644652160310CLR
K1S50755Z645879calm10CLR
KHRI0755Z815237802101210CLR
KP690652Z675976calm

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

No Plot Available

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9-hr Forecast 12-hr Forecast

No Plot Available

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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

No Plot Available

Aviation Soaring Data
 
Upper Air sounding Soaring Forecast and Latest Sounding Skew-T Graph
(Soaring forecast based on today's 12Z balloon soundings)
 

NWS North American Mesoscale Model (NAM)
Soaring Forecasts - Experimental

(use right click and save as for the data file links )

   
 
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