Alert archive / California / Wind Advisories in 2021
Wind Advisory 9, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Mar 3, 2021, 3:33 AM PST for Del Norte County, Humboldt County, California. It took effect at Mar 4, 2021, 10:00 AM PST. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Mar 3, 2021, 3:33 AM PST (11:33 UTC)
- In effect from
- Mar 4, 2021, 10:00 AM PST
- Expired
- Mar 5, 2021, 10:00 AM PST
- In force
- 24 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 86 km from the middle of the area, began a volume at 11:38 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 00:00Z, 11.6 hours before the alert went out and 158 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2609 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
302 WWUS76 KEKA 031133 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 333 AM PST Wed Mar 3 2021 CAZ101-031945- /O.NEW.KEKA.WI.Y.0009.210305T0000Z-210305T1500Z/ /O.CON.KEKA.FR.Y.0003.000000T0000Z-210303T1700Z/ Coastal Del Norte- 333 AM PST Wed Mar 3 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... ...WIND ADVISORY IN EFFECT FROM 4 PM THURSDAY TO 7 AM PST FRIDAY... * WHAT...For the Frost Advisory, temperatures as low as 36 will result in frost formation. For the Wind Advisory, south winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...For the Frost Advisory, until 9 AM PST this morning. For the Wind Advisory, from 4 PM Thursday to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. Frost Advisories and Freeze Warnings are issued during the local growing season as defined by climatology and local agriculture experts. Once the growing season has ended these statements will no longer be issued until the spring. && $$ CAZ102-104>106-031945- /O.NEW.KEKA.WI.Y.0009.210305T0000Z-210305T1500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 333 AM PST Wed Mar 3 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM THURSDAY TO 7 AM PST FRIDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Del Norte Interior, Southwestern Humboldt, Northern Humboldt Interior and Southern Humboldt Interior Counties. * WHEN...From 4 PM Thursday to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ103-109>115-031700- /O.CON.KEKA.FR.Y.0003.000000T0000Z-210303T1700Z/ Northern Humboldt Coast-Mendocino Coast- Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southwestern Mendocino Interior-Southeastern Mendocino Interior- Northern Lake County-Southern Lake County- 333 AM PST Wed Mar 3 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Mendocino Coast, Southeastern Mendocino Interior, Northern Humboldt Coast, Northeastern Mendocino Interior, Northern Lake County, Southwestern Mendocino Interior, Southern Lake County and Northwestern Mendocino Interior Counties. * WHEN...Until 9 AM PST this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Frost Advisories and Freeze Warnings are issued during the local growing season as defined by climatology and local agriculture experts. Once the growing season has ended these statements will no longer be issued until the spring. && $$
8 follow-up statements
758 WWUS76 KEKA 032229 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 229 PM PST Wed Mar 3 2021 CAZ101-102-104>106-041130- /O.CON.KEKA.WI.Y.0009.210305T0000Z-210305T1500Z/ Coastal Del Norte-Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 229 PM PST Wed Mar 3 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THURSDAY TO 7 AM PST FRIDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte, Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 4 PM Thursday to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
404 WWUS76 KEKA 040629 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1029 PM PST Wed Mar 3 2021 CAZ101-041200- /O.EXT.KEKA.WI.Y.0009.210304T1800Z-210305T1500Z/ Coastal Del Norte- 1029 PM PST Wed Mar 3 2021 ...WIND ADVISORY NOW IN EFFECT FROM 10 AM THURSDAY TO 7 AM PST FRIDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 10 AM Thursday to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-041200- /O.EXT.KEKA.WI.Y.0009.210304T2300Z-210305T1500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1029 PM PST Wed Mar 3 2021 ...WIND ADVISORY NOW IN EFFECT FROM 3 PM THURSDAY TO 7 AM PST FRIDAY ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph over exposed areas above 1500 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 3 PM Thursday to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
496 WWUS76 KEKA 040907 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 107 AM PST Thu Mar 4 2021 CAZ110-111-114-041600- /O.NEW.KEKA.FZ.W.0003.210304T0907Z-210304T1600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake County- 107 AM PST Thu Mar 4 2021 ...FREEZE WARNING IN EFFECT UNTIL 8 AM PST THIS MORNING... * WHAT...Sub-freezing temperatures as low as 31. * WHERE...Northwestern Mendocino Interior, Northeastern Mendocino Interior and Northern Lake County Counties. * WHEN...Until 8 AM PST this morning. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing.. Frost Advisories and Freeze Warnings are issued during the local growing season as defined by climatology and local agriculture experts. Once the growing season has ended these statements will no longer be issued until the spring. && $$ CAZ112-115-041600- /O.NEW.KEKA.FR.Y.0004.210304T0907Z-210304T1600Z/ Southwestern Mendocino Interior-Southern Lake County- 107 AM PST Thu Mar 4 2021 ...FROST ADVISORY IN EFFECT UNTIL 8 AM PST THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Southwestern Mendocino Interior and Southern Lake County Counties. * WHEN...Until 8 AM PST this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Frost Advisories and Freeze Warnings are issued during the local growing season as defined by climatology and local agriculture experts. Once the growing season has ended these statements will no longer be issued until the spring. && $$ CAZ101-041715- /O.CON.KEKA.WI.Y.0009.210304T1800Z-210305T1500Z/ Coastal Del Norte- 107 AM PST Thu Mar 4 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 AM PST FRIDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...From 10 AM Thursday to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-041715- /O.CON.KEKA.WI.Y.0009.210304T2300Z-210305T1500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 107 AM PST Thu Mar 4 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 7 AM PST FRIDAY ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph over exposed areas above 1500 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 3 PM Thursday to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
795 WWUS76 KEKA 041546 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 746 AM PST Thu Mar 4 2021 CAZ110-111-114-041700- /O.EXP.KEKA.FZ.W.0003.000000T0000Z-210304T1600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Northern Lake County- 746 AM PST Thu Mar 4 2021 ...FREEZE WARNING WILL EXPIRE AT 8 AM PST THIS MORNING... $$ CAZ112-115-041700- /O.EXP.KEKA.FR.Y.0004.000000T0000Z-210304T1600Z/ Southwestern Mendocino Interior-Southern Lake County- 746 AM PST Thu Mar 4 2021 ...FROST ADVISORY WILL EXPIRE AT 8 AM PST THIS MORNING... $$ CAZ101-050000- /O.CON.KEKA.WI.Y.0009.210304T1800Z-210305T1500Z/ Coastal Del Norte- 746 AM PST Thu Mar 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST FRIDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Coastal Del Norte County. * WHEN...Until 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-050000- /O.CON.KEKA.WI.Y.0009.210304T2300Z-210305T1500Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 746 AM PST Thu Mar 4 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 7 AM PST FRIDAY ABOVE 1500 FEET... * WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected above 1500 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...From 3 PM this afternoon to 7 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
928 WWUS76 KEKA 042210 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 210 PM PST Thu Mar 4 2021 CAZ101-050615- /O.EXT.KEKA.WI.Y.0009.000000T0000Z-210305T1800Z/ Coastal Del Norte- 210 PM PST Thu Mar 4 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Coastal Del Norte County. * WHEN...Until 10 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-050615- /O.EXT.KEKA.WI.Y.0009.210304T2300Z-210305T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 210 PM PST Thu Mar 4 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PST FRIDAY ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected above 1500 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...Until 10 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
094 WWUS76 KEKA 050601 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1001 PM PST Thu Mar 4 2021 CAZ101-051300- /O.CON.KEKA.WI.Y.0009.000000T0000Z-210305T1800Z/ Coastal Del Norte- 1001 PM PST Thu Mar 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY... * WHAT...South winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Coastal Del Norte County. * WHEN...Until 10 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-051300- /O.CON.KEKA.WI.Y.0009.000000T0000Z-210305T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 1001 PM PST Thu Mar 4 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph expected above 1,500 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior Counties. * WHEN...Until 10 AM PST Friday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
295 WWUS76 KEKA 051255 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 455 AM PST Fri Mar 5 2021 CAZ101-051800- /O.CON.KEKA.WI.Y.0009.000000T0000Z-210305T1800Z/ Coastal Del Norte- 455 AM PST Fri Mar 5 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...South winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Coastal Del Norte County. * WHEN...Until 10 AM PST this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ CAZ102-104>106-051800- /O.CON.KEKA.WI.Y.0009.000000T0000Z-210305T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 455 AM PST Fri Mar 5 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 1500 FEET... * WHAT...South winds 20 to 30 mph with gusts up to 60 mph above 1500 feet. * WHERE...Del Norte Interior, Northern Humboldt Interior, Southwestern Humboldt and Southern Humboldt Interior. * WHEN...Until 10 AM PST this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
569 WWUS76 KEKA 051746 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 946 AM PST Fri Mar 5 2021 CAZ101-051900- /O.EXP.KEKA.WI.Y.0009.000000T0000Z-210305T1800Z/ Coastal Del Norte- 946 AM PST Fri Mar 5 2021 ...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING... $$ CAZ102-104>106-051900- /O.EXP.KEKA.WI.Y.0009.000000T0000Z-210305T1800Z/ Del Norte Interior-Southwestern Humboldt- Northern Humboldt Interior-Southern Humboldt Interior- 946 AM PST Fri Mar 5 2021 ...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING ABOVE 1500 FEET... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 2, 8:58 PM PST | Gale Warning | EKA | 60 hr | |
| Mar 3, 2:51 AM PST | Storm Watch | EKA | 12 hr | |
| Mar 3, 2:22 PM PST | Small Craft Advisory | EKA | 31 hr | |
| Mar 3, 2:22 PM PST | Storm Warning | EKA | 43 hr |
Nearby
Wind Advisories in California, 2021Every wind advisory in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.