Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Discussion
GEG TAF
Other TAFs
METARs
Graphical Forecast
HREF Cig Probs
HREF Vsby Probs
Radar
Satellite
ZSE Brief
PIREPs
AIRMETs/SIGMETs
Soaring
Resources

Aviation Forecast Discussion

.AVIATION... 06Z TAFs: The second wave of snow and precipitation is moving southeastward and has mostly moved out of Washington, though there may be some lingering snow at KPUW for the next couple hours. For KGEG, snow has mostly stopped, with lingering snow at KSFF. KCOE will see remaining snow for the longest amount of time, through around 18Z. KLWS has nearly equal chances of seeing rain and snow through around 15Z. Most ceilings are MVFR to IFR, though as the snow stops in the next few hours, conditions look to improve to MVFR and perhaps even VFR for the majority of the TAF sites. After a brief break, more snow will begin around 12Z for KGEG/KSFF/KPUW/KLWS, which will cause ceilings to again drop to IFR or even LIFR status. By around 00Z, visibility and ceilings will improve at most TAF sites and rise to MVFR. KMWH and KEAT have a 60-70% chance at staying MVFR or better beginning at 18Z. .FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: With showers mostly moving out of the area apart from some lingering snow near KCOE/KPUW, confidence rises to high that ceilings will improve to MVFR until the next round of snow moves in around 15Z. Moderate to high confidence in ceilings dropping back down to IFR/LIFR with snow. Low to moderate confidence in mixed precipitation for KLWS. Moderate confidence in precipitation ending around 18Z and ceilings improving in response. /AS ----------------------- 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)

FTUS80 KGEG 020827 CCA
KGEG 020825Z 0208/0306 00000KT P6SM BKN004 BKN013 OVC020
     FM021000 20003KT 3SM -SHSN BR SCT004 BKN010
     FM021300 VRB03KT 2SM -SN OVC005
     FM021800 25002KT 6SM BR OVC005
     FM022000 VRB02KT 6SM BR SCT025
     FM030100 05002KT 6SM BR OVC015

Latest Area Terminal Aerodrome Forecasts (TAFs)

FTUS80 KSFF 020827 AAA
KSFF 020824Z 0208/0306 00000KT 6SM BR FEW005 BKN018 OVC028
     FM021000 16002KT 3SM -SHSN BR SCT010 BKN015
     FM021300 VRB03KT 2SM -SN OVC005
     FM021800 33002KT 6SM BR OVC005
     FM022000 VRB02KT 6SM BR SCT025

FTUS46 KOTX 020824 AAA
TAFCOE
TAF AMD
KCOE 020824Z 0208/0306 00000KT 5SM -SN BR FEW003 SCT022 OVC035
     FM021000 25003KT 3SM -SN SCT010 BKN015
     FM021800 32003KT 6SM BR OVC005
     FM022000 36003KT 6SM BR BKN025
     FM030300 04002KT 6SM BR OVC015=

FTUS54 KPUW 020827 AAA
KPUW 020824Z 0208/0306 09004KT P6SM OVC040
     FM021100 26003KT 2SM -SN BKN025 PROB30 0211/0213 -SN OVC010
     FM021300 28003KT 6SM -SN BR BKN015
     FM021500 29003KT 6SM -SN BKN010 PROB30 0221/0224 1/2SM -SN
      FZFG BKN007
     FM030000 28003KT 6SM BR OVC004

FTUS46 KOTX 020826 CCB
TAFLWS
TAF COR
KLWS 020826Z 0208/0306 00000KT 6SM -SHSN SCT006 OVC040
     FM021300 29002KT 2SM -SHSN OVC020
     FM021500 00000KT 4SM -RASN OVC005
     FM021800 VRB03KT 4SM BR OVC005
     FM022200 VRB04KT P6SM BKN015=

FTUS80 KMWH 020827 AAA
KMWH 020824Z 0208/0306 00000KT P6SM OVC009
     FM021500 VRB03KT P6SM SCT035

FTUS80 KEAT 020827 AAA
KEAT 020824Z 0208/0306 00000KT P6SM OVC009
     FM021800 VRB03KT P6SM OVC015
     FM030000 08003KT P6SM OVC050

FTUS80 KSEA 020851 AAB
KSEA 020849Z 0209/0312 17006KT 6SM -RA BR OVC015
     FM021200 17004KT 5SM -RA BR OVC007
     FM021900 01006KT P6SM FEW007 BKN012 OVC020
     FM030000 02005KT P6SM SCT017 BKN025
     FM030900 08003KT 5SM BR FEW003 SCT007 OVC015

FTUS44 KBOI 020539
KBOI 020537Z 0206/0306 VRB04KT P6SM OVC060
     FM022100 32009KT P6SM VCSH BKN050
     FM030100 29007KT P6SM FEW002 SCT020

FTUS80 KPDT 020654 CCA
KPDT 020652Z 0206/0306 VRB04KT P6SM OVC060
     FM021200 27004KT P6SM -SNRA OVC040
     FM021800 28007KT P6SM OVC030
     FM030000 11004KT 6SM BR OVC025

FTUS80 KALW 020533
KALW 020532Z 0206/0306 20004KT P6SM OVC050
     FM021300 18005KT 4SM -SN OVC025
     FM021700 20004KT P6SM OVC030
     FM030000 VRB03KT 6SM BR HZ BKN015

FTUS80 KPSC 020833 AAA
KPSC 020831Z 0209/0306 VRB03KT 4SM BR SCT002 OVC007
     FM021500 34002KT 5SM BR OVC025
     FM021800 VRB03KT P6SM OVC050
     FM030100 04003KT P6SM OVC050
     FM030300 VRB03KT 6SM BR OVC025

FTUS54 KYKM 020533 RRA
KYKM 020532Z 0206/0306 VRB02KT P6SM OVC070
     FM021400 VRB02KT P6SM OVC040
     FM022100 VRB03KT P6SM BKN250
     FM030300 31003KT P6SM OVC100
     FM030500 29004KT 6SM BR OVC050

FTUS54 KDLS 020533
KDLS 020532Z 0206/0306 30006KT P6SM BKN080
     FM021200 30007KT P6SM OVC040
     FM030000 32005KT P6SM OVC030

FTUS46 KPDT 020532
TAFBDN
TAF
KBDN 020532Z 0206/0306 19004KT P6SM FEW050
     FM021800 32008KT P6SM FEW040 BKN050
     FM030000 35006KT P6SM BKN250=

FTUS44 KMSO 020521 RRA
KMSO 020520Z 0206/0306 VRB03KT 2SM -SN OVC025
     FM020900 VRB03KT 4SM -SN OVC015 PROB30 0211/0215 1SM -SN
      BKN010

FTUS43 KBTM 020521
KBTM 020520Z 0206/0306 35006KT P6SM FEW040 OVC150 PROB30 0207/0211
      2SM -SN OVC025
     FM021400 VRB03KT P6SM VCSH OVC050

FTUS80 KSMN 020521 RRX
KSMN 020520Z 0206/0306 00000KT P6SM OVC080
     FM021000 00000KT P6SM VCSH OVC050 PROB30 0211/0214 2SM -SN
      BKN020

FTUS44 KGPI 020521
KGPI 020520Z 0206/0306 VRB04KT 2SM -SN BR BKN030 OVC050
      TEMPO 0206/0208 1/2SM -SN FZFG BKN010
     FM020900 VRB03KT 6SM -SN BKN015 PROB30 0209/0212 2SM -SN
      BKN010

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	0923Z	30	28	92				calm			1	BR		OVC004
KSFF	0920Z	30	30	100				calm			10			OVC009
KCOE	0920Z	28	28	100				calm			4	UP BR	0.01	BKN015 OVC025
KPUW	0920Z	32	30	93		25	80	8			10			OVC039
KLWS	0920Z	34	32	93				calm			4	BR		OVC005
KMWH	0920Z	32	28	87		27	320	5			9			OVC009
KEAT	0920Z	32	30	93		27	250	5			10			OVC008
--WA--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KS52	0915Z	29	28	94				calm			10			OVC019
KOMK	0920Z	32	30	93			30	3			10			OVC014
KS10
KEPH	0920Z	30	28	93		25	40	5			9			OVC008
K63S	0915Z	30	30	100				calm			8			OVC013
KDEW	0925Z	29	28	96				calm			3	BR		BKN008 OVC019
KSKA	0855Z	30	29	95				calm			10			OVC004
--ID--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
K65S	0915Z	30	27	86		25	200	5			10			OVC009
KSZT	0910Z	32	30	93		25	190	7			10			SCT008 SCT030 OVC036
KMLP	0920Z	19	19	100			230	3			1 1/2	-SN BR		OVC002
-PDT TAFs-	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KPDT	0920Z	34	30	87		28	170	7			10			FEW060 BKN085
KALW	0920Z	32	30	93				calm			9			BKN065 OVC110
KPSC	0920Z	30	30	100				calm			3 1/2	BR		OVC006
KYKM	0920Z	25	25	100				calm			7			CLR
KRDM	0920Z	27	23	86				calm			10			CLR
KBDN	0915Z	37	27	65				0	12		10			CLR
-MSO TAFs-	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KMSO	0920Z	27	27	100				calm			6	BR	0.01	BKN044 OVC055
KBTM	0920Z	34	21	60		27	260	9			10			SCT040 OVC049
KSMN	0920Z	28	21	74				calm			10			OVC050
KHRF	0915Z	39	25	56		35	190	6	14		10			FEW041 OVC049
-Misc-	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KSEA	0920Z	43	37	81		38	150	8			10			OVC016
KSMP	0856Z	30	30	100		25	VRB	5			1/4	-SN FZFG	0.02	VV002
KELN	0920Z	28	27	93			60	3			7			BKN045 OVC060
KRLD	0915Z	32	32	100				calm			3	BR		OVC005
KGIC	0915Z	34	30	87		28	190	7	17		10			OVC036
KHRI	0920Z	30	28	93				calm			8			BKN080
KP69	0852Z	32	32	100				calm					0.02

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