Alert archive / California / Wind Advisories in 2023

Wind Advisory 9, NWS Eureka, CA

January 28, 20234 counties in California

NWS Eureka, CA issued this wind advisory at Jan 28, 2023, 4:04 AM PST for 4 counties in California. It took effect at Jan 29, 2023, 1:00 PM PST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Jan 28, 2023, 4:04 AM PST (12:04 UTC)
In effect from
Jan 29, 2023, 1:00 PM PST
Expired
Jan 30, 2023, 1:00 PM PST
In force
24 hr
Issued by
NWS Eureka, CA

Counties Humboldt County, CA, Lake County, CA, Mendocino County, CA, Trinity County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 102 km from the middle of the area, began a volume at 12:06 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 12:00Z, 0.1 hours before the alert went out and 267 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.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 12:00Z on 2023-01-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 12:00Z on 2023-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
915 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

590 
WWUS76 KEKA 281204
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
404 AM PST Sat Jan 28 2023

CAZ106>108-110-111-113>115-282015-
/O.NEW.KEKA.WI.Y.0009.230129T2100Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
404 AM PST Sat Jan 28 2023

...WIND ADVISORY IN EFFECT FROM 1 PM SUNDAY TO 1 PM PST MONDAY...

* WHAT...Northeast winds 10 to 20 mph with gusts up to 45 mph 
  expected.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...From 1 PM Sunday to 1 PM PST Monday.

* 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.

&&

$$

CAZ101-103-109-282015-
/O.NEW.KEKA.HZ.A.0001.230130T0600Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
404 AM PST Sat Jan 28 2023

...HARD FREEZE WATCH IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
MORNING...

* WHAT...Sub-freezing temperatures as low as 26 possible.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...From Sunday evening through Monday morning.

* IMPACTS...Frost and freeze conditions could 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.

&&

$$
10 follow-up statements
171 
WWUS76 KEKA 281949
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1149 AM PST Sat Jan 28 2023

CAZ106>108-110-111-113>115-290400-
/O.CON.KEKA.WI.Y.0009.230129T2100Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
1149 AM PST Sat Jan 28 2023

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM SUNDAY TO 1 PM PST
MONDAY...

* WHAT...Northeast winds 10 to 20 mph with gusts up to 45 mph 
  expected.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...From 1 PM Sunday to 1 PM PST Monday.

* 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.

&&

$$

CAZ101-103-109-290400-
/O.CON.KEKA.HZ.A.0001.230130T0600Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
1149 AM PST Sat Jan 28 2023

...HARD FREEZE WATCH REMAINS IN EFFECT FROM SUNDAY EVENING
THROUGH MONDAY MORNING...

* WHAT...Sub-freezing temperatures as low as 25 possible.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...From Sunday evening through Monday morning.

* IMPACTS...Frost and freeze conditions could 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.

&&

$$
100 
WWUS76 KEKA 282244
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
244 PM PST Sat Jan 28 2023

CAZ101-103-109-290645-
/O.UPG.KEKA.HZ.A.0001.230130T0600Z-230130T1700Z/
/O.NEW.KEKA.HZ.W.0001.230130T0600Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
244 PM PST Sat Jan 28 2023

...HARD FREEZE WARNING IN EFFECT FROM 10 PM SUNDAY TO 9 AM PST
MONDAY...

* WHAT...Sub-freezing temperatures as low as 25 expected.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...From 10 PM Sunday to 9 AM PST Monday.

* 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.

&&

$$

CAZ106>108-110-111-113>115-290645-
/O.CON.KEKA.WI.Y.0009.230129T2100Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
244 PM PST Sat Jan 28 2023

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM SUNDAY TO 1 PM PST
MONDAY...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...From 1 PM Sunday to 1 PM PST Monday.

* 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.

&&

$$
456 
WWUS76 KEKA 290631
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1031 PM PST Sat Jan 28 2023

CAZ101-103-109-291445-
/O.CON.KEKA.HZ.W.0001.230130T0600Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
1031 PM PST Sat Jan 28 2023

...HARD FREEZE WARNING REMAINS IN EFFECT FROM 10 PM SUNDAY TO
9 AM PST MONDAY...

* WHAT...Sub-freezing temperatures as low as 24 expected.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...From 10 PM Sunday to 9 AM PST Monday.

* 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.

&&

$$

CAZ106>108-110-111-113>115-291445-
/O.CON.KEKA.WI.Y.0009.230129T2100Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
1031 PM PST Sat Jan 28 2023

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM SUNDAY TO 1 PM PST
MONDAY...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...From 1 PM Sunday to 1 PM PST Monday.

* 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.

&&

$$
339 
WWUS76 KEKA 291306
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
506 AM PST Sun Jan 29 2023

CAZ101-103-109-292115-
/O.CON.KEKA.HZ.W.0001.230130T0600Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
506 AM PST Sun Jan 29 2023

...HARD FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 9 AM PST MONDAY...

* WHAT...Sub-freezing temperatures as low as 24 expected.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...From 10 PM this evening to 9 AM PST Monday.

* 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.

&&

$$

CAZ106>108-110-111-113>115-292115-
/O.CON.KEKA.WI.Y.0009.230129T2100Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
506 AM PST Sun Jan 29 2023

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
1 PM PST MONDAY...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 45 mph 
  expected.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...From 1 PM this afternoon to 1 PM PST Monday.

* 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.

&&

$$
705 
WWUS76 KEKA 292105
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
105 PM PST Sun Jan 29 2023

CAZ101-103-109-300515-
/O.CON.KEKA.HZ.W.0001.230130T0600Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
105 PM PST Sun Jan 29 2023

...HARD FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 9 AM PST MONDAY...

* WHAT...Sub-freezing temperatures as low as 24 expected.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...From 10 PM this evening to 9 AM PST Monday.

* 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.

&&

$$

CAZ106>108-110-111-113>115-300515-
/O.CON.KEKA.WI.Y.0009.000000T0000Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
105 PM PST Sun Jan 29 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 60 mph.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 1 PM PST Monday.

* 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.

&&

$$
198 
WWUS76 KEKA 300106
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
506 PM PST Sun Jan 29 2023

CAZ101-103-109-301700-
/O.CON.KEKA.HZ.W.0001.230130T0600Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
506 PM PST Sun Jan 29 2023

...HARD FREEZE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 9 AM PST MONDAY...

* WHAT...Sub-freezing temperatures in the low to mid 20s.
 
* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...From 10 PM this evening to 9 AM PST Monday.

* 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.

&&

$$

CAZ106>108-110-111-113>115-301700-
/O.CON.KEKA.WI.Y.0009.000000T0000Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
506 PM PST Sun Jan 29 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST MONDAY...

* WHAT...Northeast winds 15 to 25 mph with gusts locally up to 55
  mph.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 1 PM PST Monday.

* 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.

&&

$$
963 
WWUS76 KEKA 301007
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
207 AM PST Mon Jan 30 2023

CAZ101-103-109-301700-
/O.CON.KEKA.HZ.W.0001.000000T0000Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
207 AM PST Mon Jan 30 2023

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...

* WHAT...Sub-freezing temperatures as low as 23.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...Until 9 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.

&&

$$

CAZ106>108-110-111-113>115-301815-
/O.CON.KEKA.WI.Y.0009.000000T0000Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
207 AM PST Mon Jan 30 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 55 mph.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 1 PM PST this afternoon.

* 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.

&&

$$
229 
WWUS76 KEKA 301419
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
619 AM PST Mon Jan 30 2023

CAZ101-103-109-301700-
/O.CON.KEKA.HZ.W.0001.000000T0000Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
619 AM PST Mon Jan 30 2023

...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...

* WHAT...Sub-freezing temperatures as low as 25.

* WHERE...Coastal Del Norte, Northern Humboldt Coast and 
  Mendocino Coast Counties.

* WHEN...Until 9 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.

&&

$$

CAZ106>108-110-111-113>115-302100-
/O.CON.KEKA.WI.Y.0009.000000T0000Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
619 AM PST Mon Jan 30 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

* WHAT...Northeast winds 15 to 25 mph with gusts up to 55 mph.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 1 PM PST this afternoon.

* 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.

&&

$$
730 
WWUS76 KEKA 301645
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
845 AM PST Mon Jan 30 2023

CAZ101-103-109-301745-
/O.EXP.KEKA.HZ.W.0001.000000T0000Z-230130T1700Z/
Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast-
845 AM PST Mon Jan 30 2023

...HARD FREEZE WARNING WILL EXPIRE AT 9 AM PST THIS MORNING...


$$

CAZ106>108-110-111-113>115-302100-
/O.CON.KEKA.WI.Y.0009.000000T0000Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
845 AM PST Mon Jan 30 2023

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS
AFTERNOON...

* WHAT...Northeast winds 10 to 20 mph with gusts up to 45 mph.

* WHERE...Southern Humboldt Interior, Northern Trinity, Southern 
  Trinity, Northwestern Mendocino Interior, Northeastern 
  Mendocino Interior, Southeastern Mendocino Interior, Northern 
  Lake and Southern Lake Counties.

* WHEN...Until 1 PM PST this afternoon.

* 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.

&&

$$
637 
WWUS76 KEKA 302047
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1247 PM PST Mon Jan 30 2023

CAZ106>108-110-111-113>115-302200-
/O.EXP.KEKA.WI.Y.0009.000000T0000Z-230130T2100Z/
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Northern Lake-Southern Lake-
1247 PM PST Mon Jan 30 2023

...WIND ADVISORY WILL EXPIRE AT 1 PM PST THIS AFTERNOON...

|

$$

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 27, 4:36 PM PSTGale WatchEKA9 hr
Jan 28, 1:55 AM PSTGale WarningEKA48 hr
Jan 28, 4:04 AM PSTHard Freeze WatchEKADel Norte, Humboldt, Mendocino11 hr
Jan 28, 2:44 PM PSTHard Freeze WarningEKADel Norte, Humboldt, Mendocino42 hr

Nearby

Wind Advisories in California, 2023Every wind advisory in 2023

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.