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Aviation Forecast Discussion

.AVIATION... 12Z TAFS: VFR conditions expected with broken high clouds. A few fair weather cumulus possible near the mountains in the afternoon. Winds generally light and diurnal, with slightly higher drainage winds near COE/PUW Sunday AM. FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence in VFR conditions. /SVH ----------------------- 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 051121
KGEG 051120Z 0512/0612 05007KT P6SM BKN200
     FM060300 07003KT P6SM BKN200

Latest Area Terminal Aerodrome Forecasts (TAFs)

FTUS44 KSFF 051121 RRA
KSFF 051120Z 0512/0612 04003KT P6SM BKN200

FTUS46 KOTX 051120
TAFCOE
TAF
KCOE 051120Z 0512/0612 06010KT P6SM BKN200
     FM052000 06006KT P6SM BKN200=

FTUS54 KPUW 051121 RRB
KPUW 051120Z 0512/0612 10013KT P6SM BKN200
     FM051800 10006KT P6SM BKN200

FTUS46 KOTX 051120
TAFLWS
TAF
KLWS 051120Z 0512/0612 09007KT P6SM BKN250
     FM052000 VRB04KT P6SM BKN220=

FTUS44 KMWH 051121
KMWH 051120Z 0512/0612 36006KT P6SM BKN210

FTUS80 KEAT 051121 RRJ
KEAT 051120Z 0512/0612 29004KT P6SM BKN220
     FM052100 13007KT P6SM BKN200
     FM060700 30005KT P6SM BKN200

FTUS80 KSEA 051121 RRX
KSEA 051120Z 0512/0618 02011KT P6SM BKN200
     FM052100 36009KT P6SM SCT200
     FM060300 01005KT P6SM SCT250
     FM060900 VRB04KT P6SM SCT250

FTUS44 KBOI 051133
KBOI 051131Z 0512/0612 13009KT P6SM BKN200

FTUS54 KPDT 051121 RRB
KPDT 051120Z 0512/0612 14006KT P6SM BKN250
     FM051800 02009KT P6SM SCT180 BKN250
     FM060400 12005KT P6SM SCT180 BKN250

FTUS80 KALW 051121 RRA
KALW 051120Z 0512/0612 15005KT P6SM BKN250
     FM051600 28003KT P6SM BKN250
     FM052100 36006KT P6SM SCT180 BKN250
     FM060300 11006KT P6SM SCT180 BKN250

FTUS80 KPSC 051121 RRX
KPSC 051120Z 0512/0612 34005KT P6SM FEW180 BKN250

FTUS54 KYKM 051121 RRD
KYKM 051120Z 0512/0612 27006KT P6SM BKN250
     FM051900 12004KT P6SM BKN250
     FM060400 27006KT P6SM SCT180 SCT250

FTUS80 KDLS 051121 RRJ
KDLS 051120Z 0512/0612 VRB02KT P6SM BKN250
     FM052100 09008KT P6SM SCT180 BKN250
     FM060400 VRB03KT P6SM SCT180 BKN250

FTUS46 KPDT 051120
TAFBDN
TAF
KBDN 051120Z 0512/0612 16003KT P6SM BKN250
     FM052200 36008KT P6SM BKN250
     FM060400 29005KT P6SM SCT180 BKN250
     FM060800 23005KT P6SM SCT180 BKN250=

FTUS44 KMSO 051121
KMSO 051120Z 0512/0612 00000KT P6SM SCT250
     FM052100 VRB05KT P6SM BKN160
     FM060600 10006KT P6SM SCT150

FTUS80 KBTM 051121 RRE
KBTM 051120Z 0512/0612 14004KT P6SM SKC
     FM052200 34006KT P6SM BKN180
     FM060300 13009KT P6SM SCT080

FTUS80 KSMN 051121 RRX
KSMN 051120Z 0512/0612 00000KT P6SM SKC

FTUS44 KGPI 051121
KGPI 051120Z 0512/0612 VRB02KT P6SM FEW250
     FM051400 01006KT P6SM SCT220
     FM051800 16006KT P6SM BKN200
     FM060300 02008KT P6SM BKN160

Raw METARs for WFO OTX CWA and Surrounding Areas

--TAFs--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KGEG	1440Z	43	34	71		38	60	8			10			CLR
KSFF	1440Z	39	36	87				calm			10			CLR
KCOE	1440Z	39	36	87		32	50	12			10			CLR
KPUW	1440Z	48	36	62		43	90	12			10			CLR
KLWS	1440Z	46	37	71		44	70	5			10			CLR
KMWH	1440Z	43	36	76		39	360	7			10			CLR
KEAT	1440Z	45	37	76		41	280	8			10			CLR
--WA--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KS52	1435Z	33	32	95				calm			10			OVC100
KOMK	1440Z	39	36	87				calm			10			CLR
KS10
KEPH	1440Z	48	36	62		46	350	5			10			CLR
K63S	1430Z	36	34	93				calm			10			CLR
KDEW	1440Z	41	36	81		38	350	5			10			CLR
KSKA	1355Z	40	35	81		35	50	8			10			CLR
--ID--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
K65S	1435Z	36	34	93				calm			10			CLR
KSZT	1435Z	34	34	100				calm			10			CLR
KMLP	1440Z	39	27	61		35	170	6			10			CLR
-PDT TAFs-	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KPDT	1440Z	45	39	81		42	120	5			10			CLR
KALW	1435Z	46	39	76		42	170	8			10			CLR
KPSC	1440Z	43	39	87				calm			10			CLR
KYKM	1440Z	43	36	76		39	270	7			10			CLR
KDLS	1440Z	43	39	87				calm			10			CLR
KRDM	1440Z	37	32	81				calm			10			CLR
KBDN	1435Z	41	34	76		38	220	5			10			CLR
-MSO TAFs-	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KMSO	1440Z	36	30	81				calm			10			CLR
KBTM	1440Z	28	25	86				calm			10			CLR
KSMN	1440Z	34	28	81				calm			10			CLR
KGPI	1440Z	36	32	87		32	70	5			10			CLR
KHRF	1435Z	37	30	75				calm			10			CLR
-Misc-	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KSEA	1440Z	46	43	87		40	10	13			10			CLR
KSMP	1356Z	37	34	89				calm			10			CLR
KELN	1440Z	39	36	87			10	3			10			CLR
K1YT	1255Z	41	36	82				calm			10			CLR
KRLD	1435Z	44	43	93				calm			10			CLR
KGIC	1435Z	41	37	87				calm			10			CLR
KHRI	1440Z	43	39	87				calm			10			CLR
KP69	1352Z	37	36	96		32	350	6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

HREF Visibility Probabilities - EXPERIMENTAL

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

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

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

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

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

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

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

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

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


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

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

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

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

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

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

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

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

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