Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

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Aviation Forecast Discussion

.AVIATION /06Z MONDAY THROUGH FRIDAY/... The following discussion is for KPHL, KPNE, KTTN, KABE, KRDG, KILG, KMIV, KACY and surrounding areas. Early this morning...Mainly VFR. Brief periods of low stratus around 2 kft possible, most likely at KRDG/KABE/KTTN. South or Southeast winds around 5-10 kts with a few gusts around 15 kts. LLWS with winds around 40-45 kts developing at 2 kft. Moderate- high confidence. Today...Primarily VFR. Chance of light showers at KRDG/KABE (25%-35%) in the afternoon, though any impacts will be brief and limited. Southwest winds 10-15 kts with gusts of 20-25 kts anticipated. Moderate-high confidence. Tonight...Primarily VFR. Southwesterly winds around 5-10 kts decreasing to around 5 knots or less late in the overnight hours. Moderate-high confidence. Outlook... Tuesday through Tuesday Night...VFR. No significant weather. Wednesday through Wednesday Night...Primarily VFR. Chance of showers and isolated thunderstorms (20-30%) in the afternoon and evening for the I-95 and Lehigh Valley terminals. Thursday through Friday...VFR. No significant weather. &&

Latest PHL Terminal Aerodrome Forecast (TAF)

FTUS80 KPHL 130539 RRC
KPHL 130538Z 1306/1412 16006KT P6SM BKN250 WS020/21040KT
     FM131000 21010KT P6SM BKN060 WS020/23040KT
     FM131300 23015G26KT P6SM BKN060
     FM140000 25008KT P6SM FEW060

Latest Area Terminal Aerodrome Forecasts (TAFs)

FTUS51 KPNE 292321 RRB
KPNE 292320Z 3000/3024 VRB04KT P6SM SKC
     FM301000 34003KT P6SM SCT030
     FM301800 17004KT P6SM FEW040 BKN200

FTUS80 KTTN 292321 RRX
KTTN 292320Z 3000/3024 VRB04KT P6SM SKC
     FM300900 VRB03KT P6SM SCT030
     FM301800 17004KT P6SM SCT200

FTUS80 KILG 292321 RRN
KILG 292320Z 3000/3024 VRB05KT P6SM SKC
     FM300900 VRB03KT P6SM SCT030
     FM301500 VRB03KT P6SM SCT035 BKN200

FTUS51 KRDG 292321 RRB
KRDG 292320Z 3000/3024 VRB02KT P6SM SKC
     FM301600 16004KT P6SM SCT200

FTUS80 KABE 292321
KABE 292320Z 3000/3024 VRB03KT P6SM SKC
     FM301800 17003KT P6SM SCT200

FTNA35 KACY 292327 RRC
KACY 292320Z 3000/3024 VRB03KT P6SM SCT025
     TEMPO 3001/3005 BKN025
     FM300500 VRB03KT P6SM BKN025
     FM301500 03005KT P6SM BKN035

FTUS80 KMIV 292321 RRR
KMIV 292320Z 3000/3024 VRB02KT P6SM FEW025
      TEMPO 3003/3006 BKN025
     FM300600 VRB02KT P6SM BKN025
     FM301500 03005KT P6SM BKN035

FTUS80 KEWR 292321 RRI
KEWR 292320Z 3000/3106 VRB03KT P6SM SKC
     FM302000 16005KT P6SM FEW250
     FM310100 VRB03KT P6SM BKN250

FTUS41 KOKX 300102 AAA
TAFLGA
TAF AMD
KLGA 300102Z 3001/3106 VRB03KT P6SM SKC
     FM301300 05005KT P6SM SKC
     FM301900 15004KT P6SM FEW250
     FM310100 VRB03KT P6SM BKN250=

FTUS80 KJFK 300103 AAA
KJFK 300102Z 3001/3106 VRB02KT P6SM SKC
     FM301600 17006KT P6SM FEW250
     FM310000 VRB03KT P6SM FEW030 BKN250

FTUS80 KMDT 292324 RRB
KMDT 292321Z 3000/3024 00000KT P6SM SKC
     FM301200 VRB03KT P6SM BKN250

FTUS80 KBWI 292321 RRD
KBWI 292320Z 3000/3106 00000KT P6SM FEW060
     FM301500 15004KT P6SM SCT250
     FM310000 00000KT P6SM BKN080

FTUS80 KIAD 292321 RRM
KIAD 292320Z 3000/3106 VRB04KT P6SM FEW250
     FM300100 00000KT P6SM SKC
     FM301500 14004KT P6SM SCT250
     FM310300 00000KT P6SM BKN080

FTUS80 KDCA 292321 RRG
KDCA 292320Z 3000/3106 12004KT P6SM SKC
     FM300300 VRB03KT P6SM SKC
     FM301500 14005KT P6SM SCT250
     FM310400 15003KT P6SM BKN070

Raw METARs for WFO PHI CWA and Surrounding Areas

--TAFs--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KRDG	1420Z	34	16	48		23	310	18			10			SCT042 BKN060
KABE	1420Z	30	18	59		22	310	9			10			BKN038
KTTN	1420Z	34	18	51		25	310	13			10			SCT043
KPNE	1354Z	33	18	54		24	320	13	24		10			OVC044
KPHL	1420Z	34	18	51		25	310	13			10			BKN048
KILG	1420Z	34	18	51		23	300	17			10			SCT055
KMIV	1420Z	34	18	51		25	300	14			10			OVC048
KACY	1420Z	34	18	51		23	300	18			10			OVC046
--PA--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KMPO	1420Z	23	12	63		8	310	21	28		10			OVC020
K22N	1415Z	32	16	51		27	290	5			10			SCT036
KXLL	1415Z	32	19	60		25	300	8	16		10			OVC038
KUKT	1415Z	32	18	55
KCKZ	1415Z	30	16	55		20	300	13			10			BKN035 OVC041
KDYL	1420Z	34	18	51		25	310	14			10			BKN041
KPTW	1420Z	32	16	51		24	300	10	16		10			SCT041
KLOM	1415Z	31	17	54		25	300	6			10			OVC042
KOQN	1415Z	32	18	55		22	300	15	23		10			SCT041
KMQS	1415Z	30	16	56		18	310	17	24		10			SCT040 OVC050
--NJ--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KFWN	1415Z	28	12	51		18	320	12			10			OVC036
K12N	1354Z	30	14	51		21	350	10	21
KMMU	1350Z	32	19	60		22	340	15	25		10			SCT040
KSMQ	1420Z	34	16	48		25	320	13	21		10			FEW047
KBLM	1420Z	34	19	56		24	300	15			10			OVC041
KNEL	0241Z	25	23	92		18	310	6			4	BR		OVC009
KMJX	1420Z	34	18	51		23	300	18	26		10			FEW046
KWRI	1355Z	33	19	55		26	290	8			10			SCT040 BKN049
KVAY	1420Z	34	18	51		27	300	8			10			OVC045
--DE--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
K33N	1415Z	34	18	51		27	300	9	15		10			OVC050
KDOV	1355Z	34	16	48		25	290	13			10			OVC049
KGED	1420Z	34	14	44		25	320	12			10			OVC050
--MD--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KW29	1415Z	33	17	51		23	320	15	22		10			OVC047
KESN	1345Z	32	16	51		22	320	14	22		10			OVC045
KCGE	1415Z	34	16	48		23	320	17			10			OVC050
--OKXTAF--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KTEB	1420Z	30	16	55		18	320	17			10			SCT043
KEWR	1351Z	33	15	47		22	330	18	31	31	10			BKN042 BKN140 BKN200
KLGA	1420Z	30	16	55		17	310	23	30		10			SCT040
KJFK	1420Z	30	16	55		17	320	21	28		10			FEW044
KISP	1420Z	30	14	51		19	320	16			10			FEW037
KHPN	1420Z	30	16	55		18	320	18			10			CLR
KSWF	1345Z	28	16	59		17	320	14	18		10			SCT040
KBDR	1420Z	30	14	51		17	310	22	29		10			CLR
KGON	1420Z	28	14	55		17	320	14			10			CLR
--LWXTAF--	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KMTN	1345Z	34	16	48		23	330	17	25		10			OVC048
KBWI	1420Z	34	14	44		24	310	15			10			FEW049
KDCA	1420Z	34	18	51		23	320	17			10			OVC050
KIAD	1420Z	34	19	56		25	330	12			10			OVC047
KMRB	1420Z	32	18	55		24	310	10			10			FEW039 OVC050
KCHO	1420Z	37	19	48		33	300	5			10			CLR
-Misc-	Time	T	Td	RH	HI	WC	Dir	Wind	G	PK	Vis	Wx	Pcp	Clouds
KCDW	1420Z	32	16	51		22	340	13	22		10			OVC041
KLNS	1420Z	30	16	55		20	290	12			10			SCT055
KHZL	1415Z	28	16	59		19	300	9	23		10			BKN027 BKN032 OVC049
KAVP	1420Z	25	16	69		13	320	14			10	UP	0.01	FEW031 SCT035 OVC060
KCXY	1420Z	30	14	51		19	290	15			10			OVC049
KMDT	1420Z	30	18	59		17	310	22	28		10			OVC050
KUNV	1353Z	25	18	74		16	300	9			5	-SN		BKN027 OVC031
KTHV	1420Z	30	14	51		20	320	13			10			OVC048
KSEG	1420Z	28	16	59		20	300	8			10			BKN050
KMUI	1355Z	31	16	52		20	280	16			10			BKN037 BKN160
KAPG	1355Z	34	16	47		26	300	10			10			BKN045
KNHK	1352Z	35	20	54		27	310	12			10			OVC047
KOXB	1420Z	34	14	44		25	300	13			10			OVC046
KSBY	1420Z	34	16	48		25	310	12	18		10			OVC047
KWAL	1420Z	36	16	44		27	340	15			10			OVC049
KBGM	1420Z	19	18	93		9	330	8			1	-SN BR		BKN010 OVC016
KNYC	1351Z	31	14	49		20	300	15	23		10			BKN042
KMSV	1420Z	25	16	69		13	300	14	21		6	-SN		BKN023 OVC028
KMGJ	1420Z	30	12	47		18	320	17			10			OVC039
KPOU	1420Z	28	14	55		19	10	10			10			OVC044