Alert archive / California / Wind Advisories in 2021
Wind Advisory 4, NWS Eureka, CA
NWS Eureka, CA issued this wind advisory at Jan 16, 2021, 2:38 AM PST for Lake County, Mendocino County, California. It took effect at Jan 17, 2021, 10:00 PM PST. It was in force for 45 hr.
The area
The counties it named.
The facts
- Issued
- Jan 16, 2021, 2:38 AM PST (10:38 UTC)
- In effect from
- Jan 17, 2021, 10:00 PM PST
- Expired
- Jan 19, 2021, 7:00 PM PST
- In force
- 45 hr
- Issued by
- NWS Eureka, CA
Counties Lake County, CA, Mendocino County, CA
The radar
The Beale AFB radar (KBBX), 128 km from the middle of the area, began a volume at 10:40 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
Oakland, CA (KOAK), launched 00:00Z, 10.6 hours before the alert went out and 188 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
- 2258 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- -93 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
510 WWUS76 KEKA 161038 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 238 AM PST Sat Jan 16 2021 CAZ110-111-113>115-161845- /O.NEW.KEKA.WI.Y.0004.210118T0600Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 238 AM PST Sat Jan 16 2021 ...WIND ADVISORY IN EFFECT FROM 10 PM SUNDAY TO 10 PM PST TUESDAY... * WHAT...North-northeast winds 20 to 30 mph with gusts up to 50 mph expected. Strongest winds will occur across exposed ridges. * WHERE...Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...From 10 PM Sunday to 10 PM PST Tuesday. * 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. && $$
14 follow-up statements
144 WWUS76 KEKA 161838 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1038 AM PST Sat Jan 16 2021 CAZ110-111-113>115-170245- /O.CON.KEKA.WI.Y.0004.210118T0600Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 1038 AM PST Sat Jan 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM SUNDAY TO 10 PM PST TUESDAY... * WHAT...North-northeast winds 20 to 30 mph with gusts up to 50 mph expected. Strongest winds will occur across exposed ridges. * WHERE...Northwestern Mendocino Interior, Northeastern Mendocino Interior, Southeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...From 10 PM Sunday to 10 PM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
996 WWUS76 KEKA 162219 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 219 PM PST Sat Jan 16 2021 CAZ110-111-113>115-170600- /O.CON.KEKA.WI.Y.0004.210118T0600Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 219 PM PST Sat Jan 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM SUNDAY TO 10 PM PST TUESDAY ABOVE 2000 FEET... * WHAT...North winds 20 to 30 mph with gusts around 50 mph expected above 2000 feet. The strongest winds will occur across exposed mountain ridges. * WHERE...Exposed elevations above 2000 feet in the southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, and Lake County. * WHEN...From 10 PM Sunday to 10 PM PST Tuesday. * 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. && $$
228 WWUS76 KEKA 170548 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 948 PM PST Sat Jan 16 2021 CAZ110-111-113>115-171400- /O.CON.KEKA.WI.Y.0004.210118T0600Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 948 PM PST Sat Jan 16 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM SUNDAY TO 10 PM PST TUESDAY ABOVE 2000 FEET... * WHAT...North winds 20 to 30 mph with gusts up to 60 mph expected above 2,000 feet. The strongest winds will occur across exposed mountain ridges. * WHERE...Exposed elevations above 2,000 feet in southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...From 10 PM Sunday to 10 PM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
257 WWUS76 KEKA 171147 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 347 AM PST Sun Jan 17 2021 CAZ110-111-113>115-172000- /O.CON.KEKA.WI.Y.0004.210118T0600Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 347 AM PST Sun Jan 17 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST TUESDAY... * WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph expected. Strongest winds will occur across exposed ridges. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...From 10 PM this evening to 10 PM PST Tuesday. * 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. && $$
972 WWUS76 KEKA 171955 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1155 AM PST Sun Jan 17 2021 CAZ110-111-113>115-180400- /O.CON.KEKA.WI.Y.0004.210118T0600Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 1155 AM PST Sun Jan 17 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 PM PST TUESDAY ABOVE 1500 FEET... * WHAT...North winds 20 to 30 mph with gusts around 50 mph expected above 1500 feet. The strongest winds will occur across exposed mountain ridges. * WHERE...Exposed elevations above 1500 feet in the southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, and Lake County. * WHEN...From 10 PM Sunday to 10 PM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
945 WWUS76 KEKA 180402 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 802 PM PST Sun Jan 17 2021 CAZ110-111-113>115-181215- /O.CON.KEKA.WI.Y.0004.210118T0600Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 802 PM PST Sun Jan 17 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY ABOVE 1500 FEET... * WHAT...Northeast winds 15 to 25 mph with gusts up to 50 mph expected above 1500 feet. The strongest winds will occur across exposed mountain ridges. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...Until 10 PM PST Tuesday. Winds will increase tonight over the ridges. There may be a slight lull Monday with the strongest winds late Monday night into early Tuesday. * 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. && $$
802 WWUS76 KEKA 181047 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 247 AM PST Mon Jan 18 2021 CAZ110-111-113>115-181900- /O.CON.KEKA.WI.Y.0004.000000T0000Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 247 AM PST Mon Jan 18 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY ABOVE 1500 FEET... * WHAT...Northeast winds 15 to 25 mph with gusts up to 50 mph above 1500 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...Until 10 PM PST Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
046 WWUS76 KEKA 181852 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 1052 AM PST Mon Jan 18 2021 CAZ110-111-113>115-190300- /O.CON.KEKA.WI.Y.0004.000000T0000Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 1052 AM PST Mon Jan 18 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY ABOVE 1500 FEET... * WHAT...Northeast winds 20 to 30 mph with gusts to around 50 mph above 1500 feet. Gusts up to 60 mph will be found across exposed mountain ridges tonight into Tuesday morning. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, and Lake County. * WHEN...Until 10 PM PST Tuesday. Winds will be strongest tonight into Tuesday. * 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. && $$
791 WWUS76 KEKA 190249 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 649 PM PST Mon Jan 18 2021 CAZ110-111-113>115-191100- /O.CON.KEKA.WI.Y.0004.000000T0000Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 649 PM PST Mon Jan 18 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY ABOVE 1500 FEET... * WHAT...Northeast winds 20 to 30 mph with gusts up to 55 mph above 1500 feet. Gusts up to 60 mph will be found across exposed mountain ridges late tonight into Tuesday morning. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...Until 10 PM PST Tuesday. Winds will be strongest tonight into Tuesday morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
998 WWUS76 KEKA 190955 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 155 AM PST Tue Jan 19 2021 CAZ110-111-113>115-191800- /O.CON.KEKA.WI.Y.0004.000000T0000Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 155 AM PST Tue Jan 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 1500 FEET... * WHAT...Northeast winds 15 to 25 mph with gusts up to 60 mph above 1500 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...Until 10 PM PST this evening. * 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. && $$
026 WWUS76 KEKA 190957 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 157 AM PST Tue Jan 19 2021 CAZ110-111-113>115-191800- /O.CON.KEKA.WI.Y.0004.000000T0000Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 157 AM PST Tue Jan 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 1500 FEET... * WHAT...Northeast winds 20 to 30 mph with gusts up to 60 mph above 1500 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, Northern Lake County and Southern Lake County Counties. * WHEN...Until 10 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
109 WWUS76 KEKA 191756 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 956 AM PST Tue Jan 19 2021 CAZ110-111-113>115-200200- /O.CON.KEKA.WI.Y.0004.000000T0000Z-210120T0600Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 956 AM PST Tue Jan 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST TUESDAY ABOVE 1500 FEET... * WHAT...Northeast winds 20 to 30 mph with gusts up to 50 mph above 1500 feet. Strongest gust across exposed mountain ridges. Winds diminishing later this afternoon and evening. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, and Lake County. * WHEN...Until 10 PM PST Tuesday. * 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. && $$
387 WWUS76 KEKA 192211 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 211 PM PST Tue Jan 19 2021 CAZ110-111-113>115-200300- /O.EXT.KEKA.WI.Y.0004.000000T0000Z-210120T0300Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 211 PM PST Tue Jan 19 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING ABOVE 1500 FEET... * WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph over exposed slopes and mountain ridges above 1500 feet. * WHERE...Southeastern Mendocino Interior, Northwestern Mendocino Interior, Northeastern Mendocino Interior, and Lake County. * WHEN...Until 7 PM PST this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
343 WWUS76 KEKA 200300 NPWEKA URGENT - WEATHER MESSAGE National Weather Service Eureka CA 700 PM PST Tue Jan 19 2021 CAZ110-111-113>115-200400- /O.EXP.KEKA.WI.Y.0004.000000T0000Z-210120T0300Z/ Northwestern Mendocino Interior-Northeastern Mendocino Interior- Southeastern Mendocino Interior-Northern Lake County- Southern Lake County- 700 PM PST Tue Jan 19 2021 ...WIND ADVISORY HAS EXPIRED... $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 2:16 AM PST | Hazardous Seas Watch | EKA | 24 hr | |
| Jan 16, 2:13 PM PST | Gale Warning | EKA | 55 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.