Alert archive / Oregon / Gale Warnings in 2016
Gale Warning 69, NWS Medford, OR
NWS Medford, OR issued this gale warning at Dec 30, 2016, 2:36 AM PST. It took effect at Dec 30, 2016, 4:00 PM PST. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 30, 2016, 2:36 AM PST (10:36 UTC)
- In effect from
- Dec 30, 2016, 4:00 PM PST
- Expired
- Dec 31, 2016, 7:00 AM PST
- In force
- 15 hr
- Issued by
- NWS Medford, OR
The text
As transmitted.
455 WHUS76 KMFR 301036 MWWMFR URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 236 AM PST FRI DEC 30 2016 PZZ376-310000- /O.EXT.KMFR.SW.Y.0134.000000T0000Z-161230T1500Z/ /O.NEW.KMFR.SC.Y.0134.161230T1500Z-170101T0000Z/ /O.NEW.KMFR.GL.W.0069.161231T0000Z-170101T0000Z/ /O.NEW.KMFR.SE.W.0085.161231T0000Z-170101T0000Z/ WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA FROM 10 TO 60 NM- 236 AM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS NOW IN EFFECT UNTIL 7 AM PST THIS MORNING... ...GALE WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST SATURDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST SATURDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A HAZARDOUS SEAS WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST SATURDAY. A GALE WARNING HAS ALSO BEEN ISSUED. THIS GALE WARNING IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM PST SATURDAY. IN ADDITION...A SMALL CRAFT ADVISORY HAS BEEN ISSUED. THIS SMALL CRAFT ADVISORY IS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM PST SATURDAY. * WINDS...NORTH INCREASING TO 15 TO 25 KTS THIS MORNING...INCREASING TO GALES 35 KTS LATE THIS AFTERNOON. * SEAS...10 TO 14 FEET 14 SECONDS...INCREASING TO 12 TO 15 FEET LATE THIS AFTERNOON INTO TONIGHT DUE TO INCREASING NORTH WINDS. SEAS WILL DIMINISH BRIEFLY SATURDAY NIGHT...THEN ANOTHER VERY HIGH AND LONG PERIOD NORTHWEST SWELL IS STILL EXPECTED SUNDAY AND MONDAY. * TIMING...WINDS WILL INCREASE TO SMALL CRAFT THIS MORNING WITH GALES EXPECTED LATE THIS AFTERNOON INTO SATURDAY. HAZARDOUS SEAS ARE EXPECTED THIS AFTERNOON INTO SATURDAY. * AREAS AFFECTED...SMALL CRAFT CONDITIONS WILL AFFECT ALL AREAS INTO THIS AFTERNOON. LATE THIS AFTERNOON INTO SATURDAY...GALES WILL AFFECT AREAS SOUTH OF PISTOL RIVER AND BETWEEN 20 AND 60 NM FROM SHORE. HAZARDOUS SEAS WILL AFFECT AREAS SOUTH OF PORT ORFORD AND 12 TO 60 NM FROM SHORE. ELSEWHERE SMALL CRAFT CONDITIONS WILL CONTINUE. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES WILL BE STEEP ENOUGH TO CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WARNING MEANS VERY STEEP AND HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ALONG WITH VERY STEEP AND HAZARDOUS SEAS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. && $$ PZZ356-310000- /O.CON.KMFR.SW.Y.0134.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SC.Y.0134.161230T1500Z-170101T0000Z/ COASTAL WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA OUT 10 NM- 236 AM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 PM PST SATURDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM PST SATURDAY. * WINDS AND WAVES...NORTH INCREASING TO 15 TO 25 KTS. * SEAS...10 TO 12 FEET 14 SECONDS THIS MORNING...INCREASING TO 11 TO 13 FEET LATE THIS AFTERNOON INTO TONIGHT. SEAS ARE EXPECTED TO DIMINISH BRIEFLY SATURDAY...THEN ANOTHER VERY HIGH AND LONG PERIOD NORTHWEST SWELL IS STILL EXPECTED SUNDAY AND MONDAY. * TIMING...SMALL CRAFT FOR WINDS ARE EXPECTED THIS MORNING AND WILL CONTINUE INTO SATURDAY. SEAS REMAIN HAZARDOUS TO SMALL CRAFT INTO SATURDAY. * AREAS AFFECTED...SMALL CRAFT FOR WINDS WILL AFFECT AREAS BEYOND 5 NM FROM SHORE. ALL AREAS WILL BE AFFECTED BY SMALL CRAFT FOR SEAS. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES WILL BE STEEP ENOUGH TO CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. && $$ PZZ370-310000- /O.CON.KMFR.SW.Y.0135.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SC.Y.0134.161230T1500Z-170101T0000Z/ WATERS FROM FLORENCE TO CAPE BLANCO OR FROM 10 TO 60 NM- 236 AM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 4 PM PST SATURDAY... THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 4 PM PST SATURDAY. * WINDS AND WAVES...NORTH INCREASING TO 15 TO 25 KTS THIS MORNING. * SEAS...10 TO 12 FEET 14 SECONDS THIS MORNING...INCREASING TO 11 TO 13 FEET LATE THIS AFTERNOON INTO TONIGHT. SEAS ARE EXPECTED TO DIMINISH BRIEFLY SATURDAY INTO SATURDAY NIGHT...THEN ANOTHER VERY HIGH AND LONG PERIOD NORTHWEST SWELL ARE STILL EXPECTED SUNDAY AND MONDAY. * TIMING...SMALL CRAFT FOR WINDS ARE EXPECTED THIS MORNING INTO SATURDAY. SEAS REMAIN HAZARDOUS TO SMALL CRAFT INTO SATURDAY AFTERNOON. * AREAS AFFECTED...SMALL CRAFT FOR WINDS ARE EXPECTED SOUTH OF COOS BAY. SMALL CRAFT FOR SEAS WILL AFFECT THE REST OF THE AREA INTO TONIGHT. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES WILL BE STEEP ENOUGH TO CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. && $$ PZZ350-310000- /O.CON.KMFR.SW.Y.0135.000000T0000Z-170101T0000Z/ COASTAL WATERS FROM FLORENCE TO CAPE BLANCO OR OUT 10 NM- 236 AM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... * SEAS...10 TO 12 FEET 14 SECONDS THIS MORNING...INCREASING TO 11 TO 13 FEET LATE THIS AFTERNOON INTO TONIGHT. SEAS WILL DIMINISH BRIEFLY SATURDAY AFTERNOON INTO SATURDAY NIGHT...THEN ANOTHER VERY HIGH AND LONG PERIOD NORTHWEST SWELL ARE STILL EXPECTED SUNDAY AND MONDAY. * TIMING...SEAS REMAIN HAZARDOUS TO SMALL CRAFT INTO SATURDAY AFTERNOON. * AREAS AFFECTED...ALL AREAS INTO TONIGHT...THEN BEYOND 5 NM FROM SHORE WEST OF CAPE BLANCO ON SATURDAY. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES WILL BE STEEP ENOUGH TO CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. && $$ HTTP://WWW.WEATHER.GOV/MEDFORD
3 follow-up statements
516 WHUS76 KMFR 310008 MWWMFR URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 408 PM PST FRI DEC 30 2016 PZZ376-311315- /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.CON.KMFR.GL.W.0069.000000T0000Z-170101T0000Z/ /O.CON.KMFR.SE.W.0085.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA FROM 10 TO 60 NM- 408 PM PST FRI DEC 30 2016 ...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... ...HAZARDOUS SEAS WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 25 TO 35 KT THROUGH SATURDAY WITH THE STRONGEST WINDS SOUTH OF GOLD BEACH...THEN NORTHWEST 20 TO 30 KT SATURDAY NIGHT THROUGH SUNDAY NIGHT. * SEAS...12 TO 15 FEET TONIGHT DUE TO HIGH SWELL AND STRONG NORTH WINDS. SEAS WILL SLIGHTLY DIMINISH SATURDAY INTO SATURDAY EVENING...THEN A NORTHWEST SWELL WILL BECOME VERY HIGH AT AROUND 20 FEET SUNDAY INTO SUNDAY NIGHT. SEAS WILL BEGIN TO SUBSIDE ON MONDAY BUT WILL LIKELY REMAIN HIGH INTO MONDAY EVENING. * AREAS AFFECTED...TONIGHT THROUGH SATURDAY...GALES WILL AFFECT AREAS SOUTH OF GOLD BEACH WHILE HAZARDOUS SEAS WILL AFFECT AREAS FROM GOLD BEACH TO PORT ORFORD. SMALL CRAFT CONDITIONS WILL CONTINUE NORTH OF PORT ORFORD. HAZARDOUS SEAS ARE LIKELY TO RETURN ACROSS THE WATERS LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS VERY STEEP AND HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ALONG WITH VERY STEEP AND HAZARDOUS SEAS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ356-311315- /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.CON.KMFR.SW.Y.0134.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ COASTAL WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA OUT 10 NM- 408 PM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... ...HAZARDOUS SEAS WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 15 TO 25 KT THROUGH SATURDAY WITH THE STRONGEST WINDS SOUTH OF GOLD BEACH AND BEYOND 5 NM FROM SHORE...THEN NORTHWEST 10 TO 20 KT SATURDAY NIGHT THROUGH SUNDAY NIGHT. * SEAS...10 TO 13 FEET TONIGHT DUE TO HIGH SWELL AND STRONG NORTH WINDS. SEAS WILL SLIGHTLY DIMINISH SATURDAY INTO SATURDAY EVENING...THEN A NORTHWEST SWELL WILL BECOME HIGH AGAIN SUNDAY INTO SUNDAY NIGHT. SEAS WILL BEGIN TO SUBSIDE ON MONDAY BUT WILL LIKELY REMAIN HIGH INTO MONDAY EVENING. * AREAS AFFECTED...SMALL CRAFT FOR WINDS WILL AFFECT AREAS BEYOND 5 NM FROM SHORE THROUGH SATURDAY. ALL AREAS WILL BE AFFECTED BY SMALL CRAFT FOR SEAS. HIGHER SEAS ARE LIKELY LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES WILL BE STEEP ENOUGH TO CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ370-311315- /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.CON.KMFR.SW.Y.0135.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ WATERS FROM FLORENCE TO CAPE BLANCO OR FROM 10 TO 60 NM- 408 PM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... ...HAZARDOUS SEAS WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 15 TO 25 KT THROUGH SATURDAY WITH STRONGEST WINDS BEYOND 5 NM FROM SHORE. * SEAS...10 TO 13 FEET THROUGH TONIGHT. SEAS ARE EXPECTED TO DIMINISH BRIEFLY SATURDAY INTO SATURDAY EVENING THOUGH MODERATE SEAS WILL REMAIN HIGH. A HIGH TO VERY HIGH AND LONG PERIOD NORTHWEST SWELL IS LIKELY LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT. * AREAS AFFECTED...ALL AREAS. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES WILL BE STEEP ENOUGH TO CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ350-311315- /O.CON.KMFR.SW.Y.0135.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ COASTAL WATERS FROM FLORENCE TO CAPE BLANCO OR OUT 10 NM- 408 PM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY... ...HAZARDOUS SEAS WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 10 TO 20 KT THROUGH SATURDAY WITH STRONGEST WINDS BEYOND 5 NM FROM SHORE. * SEAS...10 TO 13 FEET THROUGH TONIGHT. SEAS ARE EXPECTED TO DIMINISH BRIEFLY SATURDAY INTO SATURDAY EVENING THOUGH MODERATE SEAS WILL REMAIN HIGH. A HIGH TO VERY HIGH AND LONG PERIOD NORTHWEST SWELL IS LIKELY LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT. * AREAS AFFECTED...ALL AREAS. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS MEANS THAT WAVES WILL BE STEEP ENOUGH TO CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ DW HTTP://WWW.WEATHER.GOV/MEDFORD
110 WHUS76 KMFR 310357 MWWMFR URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 757 PM PST FRI DEC 30 2016 PZZ376-311700- /O.CAN.KMFR.SE.W.0085.000000T0000Z-170101T0000Z/ /O.EXT.KMFR.GL.W.0069.000000T0000Z-161231T1500Z/ /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SE.W.0086.161231T1500Z-170101T1200Z/ /O.NEW.KMFR.SC.Y.0135.170101T0600Z-170101T1200Z/ /O.CON.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA FROM 10 TO 60 NM- 757 PM PST FRI DEC 30 2016 ...GALE WARNING NOW IN EFFECT UNTIL 7 AM PST SATURDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 7 AM SATURDAY TO 4 AM PST SUNDAY... ...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 25 TO 35 KT INTO SATURDAY MORNING WITH THE STRONGEST WINDS SOUTH OF GOLD BEACH...THEN NORTHWEST 20 TO 30 KT SATURDAY THROUGH SUNDAY NIGHT. * SEAS...12 TO 15 FEET INTO EARLY SATURDAY MORNING PRIMARILY DUE TO STRONG NORTH WINDS. SEAS WILL SLIGHTLY DIMINISH BUT REMAIN HAZARDOUS SATURDAY INTO SATURDAY EVENING...THEN A NORTHWEST SWELL WILL BECOME VERY HIGH AT AROUND 20 FEET SUNDAY INTO SUNDAY NIGHT. SEAS WILL BEGIN TO SUBSIDE ON MONDAY BUT WILL LIKELY REMAIN HIGH INTO MONDAY EVENING. * AREAS AFFECTED...TONIGHT THROUGH SATURDAY...CONDITIONS WILL BE HAZARDOUS SOUTH OF PORT ORFORD BUT SEAS WILL BE HIGHEST SOUTH OF GOLD BEACH. SMALL CRAFT CONDITIONS WILL CONTINUE NORTH OF PORT ORFORD. HAZARDOUS SEAS ARE LIKELY TO BUILD AND BECOME VERY HIGH LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS VERY STEEP AND HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ALONG WITH VERY STEEP AND HAZARDOUS SEAS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ356-311700- /O.CAN.KMFR.SW.Y.0134.000000T0000Z-170101T0000Z/ /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SC.Y.0135.170101T0600Z-170101T1200Z/ /O.CON.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ COASTAL WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA OUT 10 NM- 757 PM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY AND LATE SATURDAY EVENING THROUGH LATE SATURDAY NIGHT... ...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 15 TO 25 KT THROUGH SATURDAY WITH THE STRONGEST WINDS SOUTH OF GOLD BEACH AND BEYOND 5 NM FROM SHORE. NORTHWEST 10 TO 20 KT SATURDAY NIGHT THEN 15 TO 25 KT AGAIN SUNDAY THROUGH SUNDAY EVENING. * SEAS...10 TO 13 FEET TONIGHT PRIMARILY DUE TO STRONG NORTH WINDS. SEAS WILL SLIGHTLY DIMINISH SATURDAY INTO SATURDAY EVENING...THEN A NORTHWEST SWELL WILL LIKELY BECOME HIGH AND VERY STEEP SUNDAY INTO SUNDAY NIGHT WITH PEAK SEAS AROUND 16 FEET. SEAS WILL BEGIN TO SUBSIDE ON MONDAY BUT WILL LIKELY REMAIN HIGH INTO MONDAY EVENING. * AREAS AFFECTED...SMALL CRAFT FOR WINDS WILL AFFECT AREAS BEYOND 5 NM FROM SHORE THROUGH SATURDAY AND SUNDAY THROUGH SUNDAY EVENING. ALL AREAS WILL BE AFFECTED BY SMALL CRAFT FOR SEAS INTO SATURDAY MORNING. HIGHER SEAS ARE LIKELY LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ370-311700- /O.CAN.KMFR.SW.Y.0135.000000T0000Z-170101T0000Z/ /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.NEW.KMFR.SC.Y.0135.170101T0600Z-170101T1200Z/ /O.CON.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ WATERS FROM FLORENCE TO CAPE BLANCO OR FROM 10 TO 60 NM- 757 PM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST SATURDAY AND FROM LATE SATURDAY EVENING THROUGH LATE SATURDAY NIGHT... ...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 15 TO 25 KT THROUGH SATURDAY WITH STRONGEST WINDS SOUTH OF CAPE ARAGO. * SEAS...10 TO 13 FEET THROUGH TONIGHT. SEAS ARE EXPECTED TO DIMINISH BRIEFLY SATURDAY INTO SATURDAY EVENING THOUGH MODERATE SEAS WILL REMAIN STEEP SOUTH OF CAPE ARAGO. A BUILDING NORTHWEST SWELL IS LIKELY TO BECOME VERY STEEP LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT WITH PEAK SEAS AROUND 20 FEET. * AREAS AFFECTED...ALL AREAS. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ350-311700- /O.CAN.KMFR.SW.Y.0135.000000T0000Z-170101T0000Z/ /O.EXB.KMFR.SC.Y.0134.000000T0000Z-161231T1500Z/ /O.NEW.KMFR.SC.Y.0135.170101T0600Z-170101T1200Z/ /O.CON.KMFR.SE.A.0012.170101T1200Z-170102T1000Z/ COASTAL WATERS FROM FLORENCE TO CAPE BLANCO OR OUT 10 NM- 757 PM PST FRI DEC 30 2016 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM PST SATURDAY... ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM SATURDAY EVENING THROUGH LATE SATURDAY NIGHT... ...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 15 TO 25 KT THIS EVENING THEN 10 TO 20 KT THROUGH SATURDAY MORNING WITH STRONGEST WINDS BEYOND 5 NM FROM SHORE. STRONGER NORTHWEST WILL DEVELOP AGAIN SATURDAY EVENING WITH 15 TO 25 KT WINDS EXPECTED THROUGH SUNDAY EVENING. * SEAS...10 TO 13 FEET THROUGH TONIGHT. SEAS ARE EXPECTED TO DIMINISH BRIEFLY SATURDAY INTO SATURDAY EVENING. A BUILDING NORTHWEST SWELL IS LIKELY TO BECOME VERY STEEP LATE SATURDAY NIGHT THROUGH LATE SUNDAY NIGHT WITH PEAK SEAS AROUND 18 FEET. * AREAS AFFECTED...ALL AREAS. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ DW HTTP://WWW.WEATHER.GOV/MEDFORD
605 WHUS76 KMFR 311046 MWWMFR URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE MEDFORD OR 246 AM PST SAT DEC 31 2016 PZZ376-010000- /O.CON.KMFR.GL.W.0069.000000T0000Z-161231T1500Z/ /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.EXT.KMFR.SE.W.0086.161231T1500Z-170101T0600Z/ /O.CON.KMFR.SC.Y.0135.170101T0600Z-170101T1200Z/ /O.EXT.KMFR.SE.A.0012.170101T1200Z-170102T1200Z/ WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA FROM 10 TO 60 NM- 246 AM PST SAT DEC 31 2016 ...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... ...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 7 AM THIS MORNING TO 10 PM PST THIS EVENING... ...HAZARDOUS SEAS WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 25 TO 35 KT WITH THE STRONGEST WINDS SOUTH OF GOLD BEACH EARLY THIS MORNING...THEN NORTHWEST 20 TO 30 KT LATER THIS MORNING THROUGH SUNDAY NIGHT. * SEAS...12 TO 15 FEET PRIMARILY DUE TO STRONG NORTH WINDS. SEAS WILL SLIGHTLY DIMINISH LATER THIS MORNING BUT REMAIN HAZARDOUS INTO THIS EVENING...THEN A NORTHWEST SWELL WILL BECOME VERY HIGH AT AROUND 20 FEET SUNDAY INTO SUNDAY NIGHT. SEAS WILL BEGIN TO SUBSIDE ON MONDAY BUT WILL LIKELY REMAIN HIGH INTO MONDAY EVENING. * AREAS AFFECTED...TODAY...CONDITIONS WILL BE HAZARDOUS SOUTH OF PORT ORFORD BUT SEAS WILL BE HIGHEST SOUTH OF GOLD BEACH. TONIGHT...SMALL CRAFT CONDITIONS WILL AFFECT MOST OF THE AREA. LATE TONIGHT THROUGH LATE SUNDAY NIGHT...HAZARDOUS SEAS ARE LIKELY TO BUILD AND BECOME VERY HIGH AND AFFECT ALL AREAS. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS VERY STEEP AND HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ALONG WITH VERY STEEP AND HAZARDOUS SEAS ARE IMMINENT OR OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ356-370-010000- /O.CON.KMFR.SC.Y.0134.000000T0000Z-170101T0000Z/ /O.CON.KMFR.SC.Y.0135.170101T0600Z-170101T1200Z/ /O.EXT.KMFR.SE.A.0012.170101T1200Z-170102T1200Z/ COASTAL WATERS FROM CAPE BLANCO OR TO PT. ST. GEORGE CA OUT 10 NM- WATERS FROM FLORENCE TO CAPE BLANCO OR FROM 10 TO 60 NM- 246 AM PST SAT DEC 31 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON AND LATE THIS EVENING THROUGH LATE TONIGHT... ...HAZARDOUS SEAS WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 15 TO 25 KT WITH THE STRONGEST WINDS SOUTH OF BANDON AND BEYOND 5 NM FROM SHORE IN ZONE 356. WINDS WILL BRIEFLY DIMINISH TONIGHT...THEN NORTHWEST WINDS INCREASE TO 15 TO 25 KT AGAIN SUNDAY THROUGH SUNDAY EVENING. * SEAS...SEAS WILL BRIEFLY DIMINISH TODAY INTO TONIGHT...THEN A NORTHWEST SWELL WILL LIKELY BECOME HIGH AND VERY STEEP SUNDAY INTO SUNDAY NIGHT WITH PEAK SEAS AROUND 22 FEET IN ZONE 370 AND NEAR 20 FEET IN ZONE 356. SEAS WILL BEGIN TO SUBSIDE ON MONDAY BUT WILL LIKELY REMAIN HIGH INTO MONDAY EVENING. * AREAS AFFECTED...SMALL CRAFT FOR WINDS WILL AFFECT AREAS SOUTH OF BANDON IN ZONE 370 AND BEYOND 5 NM FROM SHORE IN ZONE 356 INTO THIS AFTERNOON. ALL AREAS IN ZONE 370 AND THE NORTHWEST PART OF ZONE 356 WILL BE AFFECTED BY SMALL CRAFT FOR WINDS TONIGHT. HIGHER SEAS ARE LIKELY LATE TONIGHT THROUGH LATE SUNDAY NIGHT. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ PZZ350-010000- /O.CON.KMFR.SC.Y.0134.000000T0000Z-161231T1500Z/ /O.CON.KMFR.SC.Y.0135.170101T0600Z-170101T1200Z/ /O.EXT.KMFR.SE.A.0012.170101T1200Z-170102T1200Z/ COASTAL WATERS FROM FLORENCE TO CAPE BLANCO OR OUT 10 NM- 246 AM PST SAT DEC 31 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING AND AGAIN LATE THIS EVENING INTO LATE TONIGHT... HAZARDOUS SEAS WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT... * WINDS...NORTH 15 TO 25 KT WITH STRONGEST WINDS BEYOND 5 NM FROM SHORE. STRONGER NORTHWEST WILL DEVELOP AGAIN ON SUNDAY WITH 15 TO 25 KT WINDS EXPECTED THROUGH SUNDAY EVENING. * SEAS...SEAS ARE EXPECTED TO DIMINISH BRIEFLY TODAY INTO THIS EVENING. A BUILDING NORTHWEST SWELL IS LIKELY TO BECOME VERY STEEP LATE TONIGHT THROUGH LATE SUNDAY NIGHT WITH PEAK SEAS AROUND 18 FEET. * AREAS AFFECTED...WINDS WILL AFFECT AREAS BEYOND 5 NM FROM SHORE AND SOUTH OF GOLD BEACH INTO THIS AFTERNOON. WINDS WILL THEN AFFECT AREAS NORTH OF PORT ORFORD AND 5 NM FROM SHORE TONIGHT. HAZARDOUS SEAS WILL AFFECT AREAS MAINLY BEYOND 3 NM FROM SHORE NORTH OF GOLD BEACH AND 5 NM FROM SHORE SOUTH OF GOLD BEACH. * VIEW THE HAZARD AREA IN DETAIL AT HTTP://WEATHER.GOV/MEDFORD/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WINDS AND SEAS WILL CREATE A POTENTIAL HAZARD TO SMALLER VESSELS AND INEXPERIENCED MARINERS. A HAZARDOUS SEAS WATCH IS ISSUED WHEN THE RISK OF VERY STEEP AND HAZARDOUS SEAS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER ALTERING THEIR PLANS. && $$ HTTP://WWW.WEATHER.GOV/MEDFORD
What forecasters said that day
The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Medford, OR wrote its last area forecast discussion before this gale warning went out at Dec 29, 10:11 PM PST, 4 hours 25 minutes earlier.
Area forecast discussion, Dec 29, 10:11 PM PST, 4 hours 25 minutes before
Area Forecast Discussion
National Weather Service Medford OR
1011 PM PST Thu Dec 29 2016
Updated AVIATION Section
.DISCUSSION...Made a few minor adjustments to sky cover/fog in
the Rogue/Illinois/Umpqua Valleys this evening. A cold front
stretches from western Washington to just north of our coastal
waters this evening. This front will continue to drop southward,
passing through the CWA overnight through Friday. Some very light
precipitation will accompany this system as it swings through the
area. Overall, expect less than a tenth of an inch of liquid
precipitation most areas (many won't see any at all)...with less
than an inch of snow where it does snow, so just slight or
negligible impacts. The upper trough associated with the front
will eventually develop into a closed low as it drops southward
into California Friday night.
All eyes are still focused on the west side valley floor snow
potential Saturday night through Sunday night followed by the
Arctic blast expected next week. 00z NAM and GFS are coming in,
and, at first glance, we do not see any major changes to what the
day shift presented below. One thing that should be noted is that
the impact from Sunday's system could be very large based on the
timing of snow. If roads on the west side are wet initially (due
to unfrozen ground/melting snow), with the cold air arriving, a
layer of ice could form beneath any new-fallen snow by Sunday
evening, creating very hazardous driving conditions. Those
planning any travel through SW Oregon and northern California
Sunday into Monday are urged to keep this in mind and check the
forecasts for the latest updates.
Any snow that does accumulate will stick around for a while too.
Next week will be the coldest air we have felt since the early
December 2013 cold snap, which brought low temperatures in the
single digits in Medford and 20-25 degrees below zero over the
east side. Make preparations now if you or your home/property is
susceptible to extreme cold. The frigid weather will also present
a danger to the homeless, pets and livestock. -Spilde
&&
.AVIATION...30/06Z TAF CYCLE...A cold front will allow MVFR to
develop along the coast overnight, including at KOTH overnight.
Conditions may lower to IFR Friday morning with light rain/drizzle.
Conditions improve back to MVFR after 15z, then VFR after 20z.
VFR at KRBG right now should lower to LIFR overnight (after 08z),
but the cold front will bring a little rain or drizzle around 13-
16z and conditions should become MVFR. Expect VFR to return
Friday afternoon as the front pushes south of the area and a north
breeze kicks in. MVFR/IFR may return there again late Friday evening
or overnight. IFR/LIFR will prevail in the Rogue/Illinois Valleys,
including at KMFR through Friday morning. The cold front will push
through Friday afternoon and conditions should improve following the
front into the evening with northerly breezes developing.
VFR will prevail over the east side, though conditions may lower
briefly to MVFR in any light snow that develops along the front
Friday afternoon and evening. -Spilde
&&
.MARINE...Updated 200 PM PST Thursday 29 December 2016...High west
swell will keep seas elevated and dangerous to small craft for the
remainder of the week. Confidence continues to be moderate to low on
the upcoming high to very high swell event Sunday and Monday with
models continuing to vary run to run, with a peak now around 16 foot
range on Sunday evening. A very cold air mass is still expected to
move into the region Sunday into Monday, with snow possible down to
the beach Monday morning. /FB
&&
.PREV DISCUSSION... /Issued 341 PM PST Thu Dec 29 2016/
SHORT TERM... Through Sunday night...
High pressure has created strong inversion conditions across the
forecast area. Temperatures above the valley floors this morning
were 20 degrees cooler than they were two thousand feet higher.
This has low clouds and fog in the Illinois, Upper Rogue, and
Scott Valleys, while most other areas have cleared out resulting
in a mild afternoon. The inversion will persist tonight into early
Friday before dissipating with the arrival of a fairly dry cold
front Friday afternoon.
The cold front on Friday does not have a lot of moisture with it,
but does have a substantial cold air with it. While precipitation
amounts with this front will be a tenth of an inch of water or
less with this front and less than an inch of snow where it does
snow, snow levels will lower to be near 2000 feet by the time
precipitation ends Friday into Friday night. Models are well
agreed with sweeping this front through and faster by sunrise
Saturday morning, so temperatures have been adjusted downward
accordingly. This will sweep below freezing temperatures to all
areas except the immediate coast for Saturday morning.
A lull in the weather will occur on Saturday, and then an at first
shallow, but increasingly deeper moisture layer will arrive with a
cold front arriving from the northwest. This front will encounter
cold air already in place across much of the area Saturday night
into Sunday, with snow levels beginning near 1500 feet. Model
thicknesses 850mb temperatures and 1000-850mb thicknesses are
unanimous in indicating that precipitation will very likely begin
as snow even at the Medford Airport Sunday morning. West side snow
levels will lower to 1000 feet by Sunday afternoon as very cold
air, to the tune of -16C or colder at 700mb settles in, and then
to at or very near the beaches Sunday night through Monday
morning. The biggest question is how much the snow will accumulate
at elevations where the ground is not frozen and surface
temperatures go above freezing on Sunday. Forecast snowfall
amounts have been adjusted to account for this as much as
possible. That said, we expect to issue winter weather advisories
for most of the West Side and mountains for Sunday. A winter storm
watch has been issued for Eastern Douglas County where snow
amounts will reach warning levels. For the Rogue Valley current
estimates are for 1 to 4 inches for the town centers Sunday into
Monday, with more above 2kft in some areas. Please see point-and-
click forecasts on the website for further information.
The very cold, possibly daily record breaking temperatures due in
behind the snowfall next week mean that the snow related slippery
impacts are likely to linger for most of us through next week.
BTL
LONG TERM...Monday Through Thursday Night...
The Rex block expected to be in place over the Eastern Pacific
will be the primary cause if uncertainty during the extended term,
mainly as a result of the models' struggles predicting the
behavior of this type of feature. Despite this, the GFS and ECMWF
are in fairly good agreement, both depicting a very cold pattern
for our area.
For much of the long term, southern Oregon and Northern California
will remain under north flow aloft, but with high pressure and east
winds at the surface. With snow likely to be on the ground over a
significant area, and arctic air moving in, the coldest temperatures
of the season are forecast through at least midweek. Models are
producing midlevel temperatures for the first part of the week that
are similar to those recorded during the cold outbreak of early
December 2013. As a result, it appears very likely that maximum
temperatures will barely make it to freezing anywhere but the
immediate coast by Wednesday, and low temperatures are expected to
drop into the single digits and teens on the West Side and well
below zero on the East Side. These are close to or below daily
records, just like in 2013, and those who are, or have property,
susceptible to extreme cold should plan and prepare now.
Also during this time, a thermal trough is expected to develop to
our south. Normally a major feature during the summer, the large
temperature difference between here and central California is
expected to produce a similar wind pattern, that of easterly, or
offshore, flow. Normally, this would produce some downslope warming
to the east of the Cascades, but with the cold air in place, the
winds will most likely just flow over the top of the valley
inversions, and little downsloping will result. Whether or not the
valleys will fog in remains to be seen, but given the lower
humidities and the very cold temperatures, frost may occur other
than fog, keeping the skies clear and producing even lower
temperatures overnight.
Models are showing another system approaching the area late
Thursday, but there are some timing differences, mainly a result of
the aforementioned upstream block. With the cold air in place, and
another front passing there, there is the likelihood of low elevation
snow by the end of the week. Given the current pattern, the models
are likely to push back the arrival of this front over the next
several days, so have kept mention of precipitation out of the
forecast for the current cycle. -BPN
&&
.MFR WATCHES/WARNINGS/ADVISORIES...
OR...Air Stagnation Advisory until 3 PM PST Friday for
ORZ024-026-029-030.
Winter Storm Watch from Saturday evening through Sunday evening
for ORZ025.
CA...None.
Pacific Coastal Waters...Small Craft Advisory for hazardous seas
until
4 PM PST Saturday for PZZ350-356-370-376.
MAS/BTL/BPN/FJBThe office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 2:36 AM PST | Small Craft Advisory | MFR | 37 hr | |
| Dec 30, 2:36 AM PST | Hazardous Seas Warning | MFR | 17 hr | |
| Dec 30, 3:22 AM PST | Frost Advisory | MFR | Coos, Curry, Douglas | 29 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.