Alert archive / California / Hazardous Seas Warnings in 2016
Hazardous Seas Warning 8, NWS Eureka, CA
NWS Eureka, CA issued this hazardous seas warning at Jan 27, 2016, 2:30 PM PST. It took effect at Jan 28, 2016, 9:00 AM PST. It was in force for 24 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
- Jan 27, 2016, 2:30 PM PST (22:30 UTC)
- In effect from
- Jan 28, 2016, 9:00 AM PST
- Expired
- Jan 29, 2016, 9:06 AM PST
- In force
- 24 hr
- Issued by
- NWS Eureka, CA
The text
As transmitted.
946 WHUS76 KEKA 272230 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 230 PM PST WED JAN 27 2016 PZZ470-280630- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.UPG.KEKA.SE.A.0001.160128T1700Z-160129T2300Z/ /O.NEW.KEKA.SE.W.0008.160128T1700Z-160129T2300Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 230 PM PST WED JAN 27 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 AM THURSDAY TO 3 PM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HAZARDOUS SEAS WARNING...WHICH IS IN EFFECT FROM 9 AM THURSDAY TO 3 PM PST FRIDAY. * WINDS...S INCREASING TO 15 TO 25 KT. OCCASIONAL GUSTS TO 35 KT TONIGHT. * WAVES/SEAS...W 12 FT AT 15 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 6 TO 8 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS 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 SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ475-280630- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.UPG.KEKA.SE.A.0001.160128T2300Z-160129T1700Z/ /O.NEW.KEKA.SE.W.0008.160128T2300Z-160129T1700Z/ CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 230 PM PST WED JAN 27 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING IN EFFECT FROM 3 PM THURSDAY TO 9 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HAZARDOUS SEAS WARNING...WHICH IS IN EFFECT FROM 3 PM THURSDAY TO 9 AM PST FRIDAY. * WINDS...S INCREASING TO 10 TO 20 KT TODAY. GUSTS TO 30 KT TONIGHT. * WAVES/SEAS...W 11 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 4 TO 6 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ450-455-280630- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- 230 PM PST WED JAN 27 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...SE TO S INCREASING TO 10 TO 20 KT. GUSTS TO 30 KT NEAR AND N OF CAPE MENDOCINO TONIGHT AND THURSDAY NIGHT AND FRIDAY. * WAVES/SEAS...W 10 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 3 TO 5 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. $$
7 follow-up statements
837 WHUS76 KEKA 280437 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 837 PM PST WED JAN 27 2016 PZZ470-281245- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.CON.KEKA.SE.W.0008.160128T1700Z-160129T2300Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 837 PM PST WED JAN 27 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 9 AM THURSDAY TO 3 PM PST FRIDAY... * WINDS...S INCREASING TO 15 TO 25 KT. OCCASIONAL GUSTS TO 35 KT LATE TONIGHT. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 12 FT AT 15 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 6 TO 8 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ475-281245- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.CON.KEKA.SE.W.0008.160128T2300Z-160129T1700Z/ CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 837 PM PST WED JAN 27 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 PM THURSDAY TO 9 AM PST FRIDAY... * WINDS...S INCREASING TO 15 TO 25 KT TONIGHT. GUSTS TO 30 KT LATE TONIGHT. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 11 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 4 TO 6 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS 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 SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ450-455-281245- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- 837 PM PST WED JAN 27 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...S INCREASING TO 10 TO 20 KT TONIGHT. GUSTS TO 30 KT LATE TONIGHT. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 10 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 3 TO 5 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. $$
922 WHUS76 KEKA 281109 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 309 AM PST THU JAN 28 2016 PZZ470-281915- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.CON.KEKA.SE.W.0008.160128T1700Z-160129T2300Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 309 AM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST FRIDAY... * WINDS...S INCREASING TO 15 TO 25 KT. OCCASIONAL GUSTS TO 35 KT THIS MORNING. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 12 FT AT 15 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 6 TO 8 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS 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 SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ475-281915- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.CON.KEKA.SE.W.0008.160128T2300Z-160129T1700Z/ CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 309 AM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM PST FRIDAY... * WINDS...S INCREASING TO 15 TO 25 KT TONIGHT. GUSTS TO 30 KT THIS MORNING. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 11 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 4 TO 6 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ450-455-281915- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- 309 AM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...S INCREASING TO 10 TO 20 KT TONIGHT. GUSTS TO 30 KT THIS MORNING. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 10 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY THURSDAY NIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 3 TO 5 FT TONIGHT AND THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. $$
549 WHUS76 KEKA 281634 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 834 AM PST THU JAN 28 2016 PZZ470-290045- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.CON.KEKA.SE.W.0008.160128T1700Z-160129T2300Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 834 AM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY... * WINDS...S INCREASING TO 15 TO 25 KT. OCCASIONAL GUSTS TO 35 KT THIS MORNING. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 12 FT AT 15 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY TONIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 6 TO 8 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ475-290045- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.CON.KEKA.SE.W.0008.160128T2300Z-160129T1700Z/ CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 834 AM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 AM PST FRIDAY... * WINDS...S INCREASING TO 15 TO 25 KT TONIGHT. GUSTS TO 30 KT THIS MORNING. WINDS WILL PEAK EARLY FRIDAY MORNING. * WAVES/SEAS...W 11 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY TONIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 4 TO 6 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS 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 SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ450-455-290045- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- 834 AM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...S INCREASING TO 10 TO 20 KT TONIGHT. GUSTS TO 30 KT THIS MORNING. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 10 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY TONIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 3 TO 5 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. $$
581 WHUS76 KEKA 282230 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 230 PM PST THU JAN 28 2016 PZZ470-290630- /O.CON.KEKA.SE.W.0008.000000T0000Z-160129T2300Z/ /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 230 PM PST THU JAN 28 2016 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...S INCREASING TO 15 TO 25 KT. OCCASIONAL GUSTS TO 35 KT THIS MORNING. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 12 FT AT 15 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY TONIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 6 TO 8 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS 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 SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ475-290630- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.CON.KEKA.SE.W.0008.160128T2300Z-160129T1700Z/ CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 230 PM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY... * WINDS...S INCREASING TO 15 TO 25 KT TONIGHT. GUSTS TO 30 KT THIS MORNING. WINDS WILL PEAK EARLY FRIDAY MORNING. * WAVES/SEAS...W 11 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY TONIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 4 TO 6 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ450-455-290630- /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- 230 PM PST THU JAN 28 2016 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...S INCREASING TO 10 TO 20 KT TONIGHT. GUSTS TO 30 KT THIS MORNING. WINDS WILL PEAK AGAIN EARLY FRIDAY MORNING. * WAVES/SEAS...W 10 FT AT 16 SECONDS BUILDING TO 16 TO 18 FEET AT 18 SECONDS BY TONIGHT. STEEP SHORT PERIOD S SEAS WILL BUILD TO 3 TO 5 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. $$
249 WHUS76 KEKA 290504 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 904 PM PST THU JAN 28 2016 PZZ450-455-291315- /O.EXA.KEKA.SE.W.0008.000000T0000Z-160129T1700Z/ /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- 904 PM PST THU JAN 28 2016 ...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 AM PST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HAZARDOUS SEAS WARNING...WHICH IS IN EFFECT UNTIL 9 AM PST FRIDAY. * WINDS...S INCREASING TO 15 TO 25 KT TONIGHT. A FEW GUSTS TO 35KT FRIDAY MORNING. * WAVES/SEAS...W 17 TO 19 FEET AT 20 SECONDS THROUGH TONIGHT. SWELL WILL SLOWLY DIMINISH ON FRIDAY AND SATURDAY. STEEP SHORT PERIOD S SEAS WILL BUILD TO AROUND 6 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. $$ PZZ470-291315- /O.CON.KEKA.SE.W.0008.000000T0000Z-160129T2300Z/ /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 904 PM PST THU JAN 28 2016 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...S INCREASING TO 30 TO 30 KT TONIGHT. A FEW GUSTS TO 40 KT EARLY FRIDAY MORNING AS THE FRONT GOES THROUGH. * WAVES/SEAS...W 17 TO 19 FEET AT 20 SECONDS THROUGH TONIGHT. SWELL WILL SLOWLY DIMINISH ON FRIDAY AND SATURDAY. STEEP SHORT PERIOD S SEAS WILL BUILD TO 6 TO 9 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS 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 SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ475-291315- /O.CON.KEKA.SE.W.0008.000000T0000Z-160129T1700Z/ /O.CON.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 904 PM PST THU JAN 28 2016 ...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST SUNDAY... * WINDS...S INCREASING TO 30 TO 30 KT TONIGHT. A FEW GUSTS TO 35 KT EARLY FRIDAY MORNING AS THE FRONT GOES THROUGH. * WAVES/SEAS...W 17 TO 19 FEET AT 20 SECONDS THROUGH TONIGHT. SWELL WILL SLOWLY DIMINISH ON FRIDAY AND SATURDAY. STEEP SHORT PERIOD S SEAS WILL BUILD TO 4 TO 6 FT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
281 WHUS76 KEKA 291015 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 215 AM PST FRI JAN 29 2016 PZZ470-291815- /O.CAN.KEKA.SE.W.0008.000000T0000Z-160129T2300Z/ /O.UPG.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.NEW.KEKA.GL.W.0013.160129T1015Z-160129T1800Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 215 AM PST FRI JAN 29 2016 ...GALE WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A GALE WARNING...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. * WINDS...SOUTHERLY GUSTS 35 TO TO 40 KT EARLY THIS MORNING. * SEAS...W 17 TO 19 FEET AT 17 SECONDS THROUGH MID MORNING...SUBSIDING TO 14 TO 16 FT AT 16 SECONDS THROUGH THE DAY TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS 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. && $$ PZZ450-455-475-291800- /O.CAN.KEKA.SC.Y.0018.000000T0000Z-160131T2300Z/ /O.EXT.KEKA.SE.W.0008.000000T0000Z-160129T1800Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 215 AM PST FRI JAN 29 2016 ...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 10 AM PST THIS MORNING... THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE SMALL CRAFT ADVISORY. * WINDS...SW 15 TO 25 KT THIS MORNING. * SEAS...W 17 TO 19 FEET AT 18 SECONDS THROUGH MID MORNING...SUBSIDING TO 14 TO 16 FT AT 16 SECONDS THROUGH THE DAY TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HAZARDOUS SEAS WARNING MEANS HAZARDOUS SEA CONDITIONS ARE IMMINENT OR OCCURRING. RECREATIONAL BOATERS SHOULD REMAIN IN PORT...OR TAKE SHELTER UNTIL WAVES SUBSIDE. COMMERCIAL VESSELS SHOULD PREPARE FOR ROUGH SEAS AND CONSIDER REMAINING IN PORT OR TAKING SHELTER IN PORT UNTIL HAZARDOUS SEAS SUBSIDE. && $$
471 WHUS76 KEKA 291706 MWWEKA URGENT - MARINE WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 906 AM PST FRI JAN 29 2016 PZZ470-300115- /O.CAN.KEKA.GL.W.0013.000000T0000Z-160129T1800Z/ /O.NEW.KEKA.SC.Y.0019.160129T1706Z-160131T1100Z/ PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM- 906 AM PST FRI JAN 29 2016 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST SUNDAY... ...GALE WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST SUNDAY. THE GALE WARNING HAS BEEN CANCELLED. * WINDS...DECREASING TO W 10 TO 20 KT TODAY. * SEAS...SUBSIDING TO W 14 TO 16 FT AT 16 SECONDS THROUGH THE DAY TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ450-455-300115- /O.CAN.KEKA.SE.W.0008.000000T0000Z-160129T1800Z/ /O.NEW.KEKA.SC.Y.0019.160129T1706Z-160131T1100Z/ PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM- CAPE MENDOCINO TO PT ARENA OUT 10 NM- 906 AM PST FRI JAN 29 2016 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST SUNDAY... ...HAZARDOUS SEAS WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST SUNDAY. THE HAZARDOUS SEAS WARNING HAS BEEN CANCELLED. * WINDS...BECOMING SW 5 TO 15 KT NORTH OF CAPE MENDOCINO...AND NW 10 TO 20 SOUTH OF CAPE MENDOCINO. * SEAS...SUBSIDING TO W 14 TO 16 FT AT 16 SECONDS THROUGH THE DAY TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$ PZZ475-300115- /O.CAN.KEKA.SE.W.0008.000000T0000Z-160129T1800Z/ /O.NEW.KEKA.SC.Y.0019.160129T1706Z-160131T1100Z/ CAPE MENDOCINO TO PT ARENA 10 TO 60 NM- 906 AM PST FRI JAN 29 2016 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST SUNDAY... ...HAZARDOUS SEAS WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT ADVISORY...WHICH IS IN EFFECT UNTIL 3 AM PST SUNDAY. THE HAZARDOUS SEAS WARNING HAS BEEN CANCELLED. * WINDS...BECOMING NW 10 TO 20 KT TODAY. * SEAS...SUBSIDING TO 14 TO 16 FT AT 16 SECONDS TODAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT. INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS. && $$
What forecasters said that day
The local office's own words before this hazardous seas warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Eureka, CA wrote its last area forecast discussion before this hazardous seas warning went out at Jan 27, 5:09 AM PST, 9 hours 21 minutes earlier.
Area forecast discussion, Jan 27, 5:09 AM PST, 9 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
509 AM PST WED JAN 27 2016
.SYNOPSIS...UPPER LEVEL RIDGING WILL PROLONG MOSTLY DRY WEATHER
THROUGH TODAY BEFORE A LOW END ATMOSPHERIC RIVER BRINGS
WIDESPREAD RAIN THURSDAY AFTERNOON AND FRIDAY. THE WEATHER PATTERN
WILL REMAIN UNSETTLED THROUGH THE WEEKEND.
&&
.DISCUSSION...
.SHORT TERM...TODAY THROUGH SATURDAY...ONLY MINOR CHANGES WERE
MADE TO THE LATE WEEK FORECAST...AS THE REGION CONTINUES TO BE IN
THE CROSSHAIRS OF ANOTHER MODERATE TO HEAVY RAIN EVENT. BEFORE WE
GET TO THE RAIN HOWEVER...ASIDE FROM SOME STUBBORN LOW CLOUDS AND
FOG IN SOME LOCATIONS CONDITIONS TODAY ARE EXPECTED TO BE RATHER
PLEASANT THROUGHOUT THE AREA AS AN UPPER LEVEL RIDGE WILL PERSIST
ALONG THE WEST COAST FOR MOST OF THE DAY. THIS WILL YIELD DRY AND
SLIGHTLY WARMER THAN AVERAGE TEMPERATURES FOR THE REGION...WITH
COASTAL AND INTERIOR VALLEY TEMPERATURES LIKELY TO REACH THE LOW
TO MID 60S. FOR THOSE WHO HAVE TO FINISH UP SOME LAST MINUTE
OUTDOOR PROJECTS OR JUST WANT TO GET OUTSIDE IN GENERAL...TODAY
IS CERTAINLY THE DAY TO DO IT.
OVERNIGHT TONIGHT...THE WEST COAST RIDGE WILL BREAK
DOWN...ALLOWING A SLOW MOVING FRONTAL BOUNDARY TO SAG SOUTHWARD
INTO THE REGION. AS IT DOES SO...LIGHT RAIN WILL BEGIN TO SPREAD
INTO OUR NORTHERNMOST AREAS LATE TONIGHT...FIRST AT HIGHER
ELEVATIONS AND GRADUALLY LOWERING TO THE VALLEY FLOOR AS THE LOW
LEVELS SATURATE AND PRECIPITATION RATES INCREASE. BY THURSDAY
AFTERNOON...MODERATE RAIN IS EXPECTED TO BE FALLING MOSTLY ACROSS
HUMBOLDT...DEL NORTE...AND TRINITY COUNTIES...WITH LIGHTER RAIN
FARTHER SOUTH ACROSS MENDOCINO COUNTY. AFTER A BRIEF LULL IN RAIN
RATES SOMETIME THURSDAY EVENING...A MUCH SHARPER COLD FRONT
ASSOCIATED WITH A QUICKLY MOVING SHORTWAVE WILL APPROACH THE
AREA...RESULTING IN HEAVIER BURST OF RAIN THAT WILL PASS THROUGH
THE AREA FROM NORTH TO SOUTH. THE HEAVIEST PRECIPITATION IS LIKELY
TO FALL OVER ROUGHLY A 12 HOUR PERIOD BETWEEN 10 PM THURSDAY AND
10 AM FRIDAY...AND AS A RESULT...THE TIME PERIOD FROM LATE
THURSDAY NIGHT THROUGH FRIDAY EVENING WILL BE THE MOST CONCERNING
FOR THIS PARTICULAR EVENT. THE EXPECTED HEAVY RAIN RATES WILL
LIKELY CAUSE RAPID MAIN STEM RIVER RISES AND LOCALIZED NUISANCE
FLOODING OF ROADWAYS...POOR DRAINAGE AREAS AND SMALL STREAMS. THIS
RAIN WILL ALSO POSE A THREAT FOR MUD AND ROCK SLIDES ON MANY OF
OUR INTERIOR ROADWAYS THAT WIND THROUGH VERY STEEP AND ROCKY
TERRAIN. FORTUNATELY THOUGH...THE LACK OF SIGNIFICANT RAIN FOR
SEVERAL DAYS LEADING UP TO THIS EVENT WILL ALLOW RIVERS TO
SUBSIDE...AND AS A RESULT...RIVERS ARE NOT EXPECTED TO REACH FLOOD
STAGE AT THIS TIME. STILL...THIS WILL BE WATCHED CLOSELY IN THE
EVENT THAT PRECIPITATION TOTALS ARE UNDER FORECAST...AS CURRENT
PROJECTIONS INDICATE THAT SEVERAL RIVERS WILL REACH MONITOR STAGE
AT SEVERAL LOCATIONS. CURRENT FORECAST PRECIPITATION TOTALS FROM
THURSDAY THROUGH SATURDAY ARE AS FOLLOWS...4 TO 8 INCHES IN DEL
NORTE COUNTY...3 TO 7 INCHES IN HUMBOLDT COUNTY...2 TO 5 INCHES IN
TRINITY COUNTY...AND 1 TO 4 INCHES IN MENDOCINO COUNTY. AS IS
OFTEN THE CASE...THE HEAVIEST RAIN TOTALS ARE EXPECTED TO FALL AT
HIGHER ELEVATIONS. IN ADDITION TO THE RAIN...GUSTY SOUTHWEST WINDS
ARE ALSO LIKELY TO DEVELOP AS THE COLD FRONT APPROACHES LATE
THURSDAY/EARLY FRIDAY...PARTICULARLY AT HIGH ELEVATIONS.
BY LATE FRIDAY MORNING...THE PREVIOUSLY MENTIONED COLD FRONT WILL
BEGIN TO MOVE THROUGH THE REGION FROM NORTHWEST TO
SOUTHEAST...QUICKLY USHERING IN A MUCH COLDER AIRMASS. WHILE SNOW
LEVELS WILL INITIALLY BE VERY HIGH AT AROUND 9000 FEET...THEY WILL
QUICKLY FALL TO AROUND 3500 TO 4500 FEET BY LATE FRIDAY
AFTERNOON/EVENING...AND DOWN TO 2500 TO 3000 FEET BY SATURDAY.
THIS WILL ALSO LEAD TO A TRANSITION FROM WIDESPREAD STRATIFORM
PRECIPITATION TO CONVECTIVE POST FRONTAL SHOWERS LATE IN THE DAY
FRIDAY THROUGH SATURDAY...PARTICULARLY ALONG THE REDWOOD COAST.
THIS WILL LIKELY BRING AT LEAST LIGHT ACCUMULATING SNOWS TO SOME
HIGH ELEVATION PASSES AND COMMUNITIES FROM LATE FRIDAY THROUGH
SATURDAY...ALTHOUGH UNCERTAINTY IS HIGH AT THIS STAGE REGARDING
POTENTIAL AMOUNTS. STILL...THE POTENTIAL FOR ADVISORY LEVEL SNOWS
WILL EXIST...PARTICULARLY FROM HIGHWAY 36 NORTHWARDS WHERE THE
LOWEST SNOW LEVELS AND MOST VIGOROUS SHOWER ACTIVITY WILL PERSIST.
IN ADDITION TO THE POTENTIAL FOR SNOW...ENOUGH INSTABILITY WILL
LIKELY EXIST TO PRODUCE OCCASIONAL LIGHTNING AND SMALL HAIL WITH
THE STRONGEST SHOWERS LATE FRIDAY AND SATURDAY...AGAIN MOST LIKELY
NEAR THE REDWOOD COAST. /BRC
.LONG TERM...SUNDAY THROUGH WEDNESDAY...GFS/DGEX MODELS HAVE
SHIFTED THIS WEEKEND'S SURFACE LOW FARTHER TO THE S. AS A
RESULT...THESE MODELS ARE TRENDING TOWARD A DRIER SOLUTION OVER
THE IMMEDIATE AREA. HOWEVER...WEAKER SYSTEMS WILL STILL DIVE OUT
OF THE NW AND BRING PERIODS OF PRECIP. THE ECMWF CONTINUES ITS
BROADER UPPER TROF...AND...AS A RESULT...DOESN'T DEVELOP AN
ASSOCIATED SURFACE LOW.
IT APPEARS THAT THE GREATEST RAIN CHANCES DURING THE LONG TERM
PERIOD WILL BE GENERALLY N OF CAPE MENDOCINO. HAVE KEPT POPS AT OR
BELOW 60 PERCENT DURING THIS PERIOD...AS TIMING OF INDIVIDUAL
SYSTEMS WILL BRING A HIGHER LEVEL OF UNCERTAINTY. /SEC
&&
.AVIATION...CONDITIONS CONTINUE TO VARY QUITE A BIT...BOTH
TEMPORALLY AND SPATIALLY...THIS MORNING. VISIBILITIES AS OF THIS
WRITING ARE GENERALLY IFR ALONG THE REDWOOD COAST. NO VISIBILITY
REDUCTIONS HAVE BEEN REPORTED AT KUKI SO FAR TONIGHT...BUT
CEILINGS ARE PRESENTLY AT 500 FT. EXPECT IMPROVED VISIBILITIES AT
COASTAL SITES LATER THIS MORNING WITH SLOWER CEILING IMPROVEMENTS.
HAVE LIGHT RAINS AT KCEC BY 06Z. WIND GUSTS OVER 20 KT ARE
EXPECTED AT KCEC BY 03Z. /SEC
&&
.MARINE...LATEST NWPS WAVE GUIDANCE HAS BROUGHT W SWELL HEIGHTS DOWN
A FOOT OR SO WITH THE CURRENTLY BUILDING LARGE SWELL TRAIN.
HOWEVER...HAVE HOISTED A HAZARDOUS SEAS WATCH FOR THE OFFSHORE
WATERS STARTING THU MORNING IN THE N WATERS WITH A LATER START TIME
IN THE S. THIS SWELL WILL BEGIN TO SUBSIDE DURING THE DAY FRIDAY.
S WINDS AND SHORT PERIOD SEAS WILL INCREASE THIS AFTERNOON AHEAD OF
AN APPROACHING FRONT...MAINLY NEAR AND N OF CAPE MENDOCINO. WINDS
WILL BRIEFLY SUBSIDE ON THU BEFORE INCREASING AGAIN THU NIGHT AND
FRI MORNING. WINDS ARE EXPECTED TO BECOME LIGHT NORTHERLY ON THE
WEEKEND WITH AND INCREASE IN N WINDS POSSIBLE BY EARLY NEXT WEEK.
/SEC
&&
.BEACH HAZARDS...WITH BUILDING W SWELL...DANGEROUS SURF CONDITIONS
ARE LIKELY BY EARLY THU MORNING. HAVE ISSUED A HIGH SURF ADVISORY
FOR THE REDWOOD COAST FOR SURF HEIGHTS OF 20 TO 25 FT. THE HIGHEST
SURF WILL AFFECT W FACING BEACHES. DANGEROUS WAVES ARE POSSIBLE NEAR
W FACING BAYS AS WELL...PARTICULARLY DURING OUTGOING TIDES. THIS
ADVISORY MAY NEED TO BE EXPANDED S FOR MENDOCINO COUNTY. SINCE THE
START TIME WILL BE LATER AND SURF HEIGHTS MAY BE A BIT LOWER...HAVE
HELD OFF ON THIS FOR NOW. /SEC
&&
.EKA WATCHES/WARNINGS/ADVISORIES...
CA...
HIGH SURF ADVISORY FROM 3 AM THURSDAY TO 3 PM PST FRIDAY
FOR CAZ001.
NORTHWEST CALIFORNIA COASTAL WATERS...
SMALL CRAFT ADVISORY UNTIL 3 PM PST SUNDAY
FOR PZZ450-455-470-475.
HAZARDOUS SEAS WATCH FROM THURSDAY MORNING THROUGH FRIDAY
AFTERNOON FOR PZZ470.
HAZARDOUS SEAS WATCH FROM THURSDAY AFTERNOON THROUGH FRIDAY
MORNING FOR PZZ475.
&&
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HTTP://WWW.TWITTER.COM/NWSEUREKAHazardous weather outlook, Jan 27, 5:19 AM PST, 9 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE EUREKA CA 519 AM PST WED JAN 27 2016 CAZ002-281330- MENDOCINO COAST- 519 AM PST WED JAN 27 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT. LARGE SURF WILL BUILD LATE TONIGHT AND PERSIST THROUGH FRIDAY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. MODERATE TO HEAVY RAIN IS EXPECTED TO FALL THURSDAY EVENING THROUGH AT LEAST EARLY FRIDAY...PARTICULARLY IN THE NORTHERN PORTION OF MENDOCINO COUNTY...RESULTING IN RAPID RISES OF MAIN STEM RIVERS AND LOCALIZED URBAN AND SMALL STREAM FLOODING. IN ADDITION...A FEW MAIN STEM RIVERS MAY APPROACH MONITOR OR FLOOD STAGE BY FRIDAY AFTERNOON. GUSTY RIDGETOP WINDS WILL ALSO BE POSSIBLE LATE THURSDAY AND EARLY FRIDAY...AND SNOW LEVELS WILL FALL RAPIDLY LATE FRIDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CAZ001-281330- REDWOOD COAST- 519 AM PST WED JAN 27 2016 ...HIGH SURF ADVISORY IN EFFECT FROM 3 AM THURSDAY TO 3 PM PST FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT. A HIGH SURF ADVISORY IS CURRENTLY IN EFFECT BEGINNING TONIGHT AT 3 AM AND LASTING THROUGH 3 PM FRIDAY. EXPECT BREAKING WAVES OF 20 TO 25 FEET ALONG WEST AND NORTHWEST FACING BEACHES...AND 16 TO 19 FEET ALONG SOUTHWEST FACING BEACHES. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. A HIGH SURF ADVISORY IS CURRENTLY IN EFFECT UNTIL 3 PM FRIDAY. HEAVY RAIN IS EXPECTED TO FALL THURSDAY AFTERNOON THROUGH AT LEAST EARLY FRIDAY...RESULTING IN RAPID RISES OF MAIN STEM RIVERS AND LOCALIZED URBAN AND SMALL STREAM FLOODING. IN ADDITION...A FEW MAIN STEM RIVERS MAY APPROACH MONITOR OR FLOOD STAGE BY FRIDAY AFTERNOON. GUSTY RIDGETOP WINDS WILL ALSO BE POSSIBLE LATE THURSDAY AND EARLY FRIDAY...AND SNOW LEVELS WILL FALL RAPIDLY FRIDAY AFTERNOON THROUGH SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CAZ003-004-076-281330- NORTH COAST INTERIOR-UPPER TRINITY RIVER-MENDOCINO INTERIOR- 519 AM PST WED JAN 27 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TODAY AND TONIGHT. HAZARDOUS WEATHER IS NOT EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. MODERATE TO HEAVY RAIN IS EXPECTED TO FALL THURSDAY AFTERNOON THROUGH AT LEAST EARLY FRIDAY...RESULTING IN RAPID RISES OF MAIN STEM RIVERS AND LOCALIZED URBAN AND SMALL STREAM FLOODING. IN ADDITION...A FEW MAIN STEM RIVERS MAY APPROACH MONITOR OR FLOOD STAGE BY FRIDAY AFTERNOON. GUSTY RIDGETOP WINDS WILL ALSO BE POSSIBLE LATE THURSDAY AND EARLY FRIDAY...AND SNOW LEVELS WILL FALL RAPIDLY LATE FRIDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 27, 3:52 AM PST | High Surf Advisory | EKA | 54 hr | |
| Jan 27, 4:02 AM PST | Hazardous Seas Watch | EKA | 10 hr | |
| Jan 27, 2:52 PM PST | Flood Watch | EKA | 42 hr |
Nearby
Hazardous Seas Warnings in California, 2016Every hazardous seas warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.