Find VTEC Product:

IEM VTEC Product Browser

This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).

13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.

Tab Functionality:
Above this section, you will notice six selectable tabs. Click on the tab to show the information.

  • Help: This page!
  • Event Info: Details of the selected event.
  • Text Data: The raw text product for this event.
  • Interactive Map: An interactive map showing the event and RADAR.
  • Storm Reports: Local Storm Reports.
  • List Events: List all events of the given phenomena, significance, year, and issuing office.

Web Services Used:
This application is fully driven by IEM web services.

2025 [KEKA] EUREKA Frost (FR) Advisory (Y) Number 8

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

348 
WWUS76 KEKA 281942
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1242 PM PDT Fri Mar 28 2025

CAZ110-111-113-115-290345-
/O.NEW.KEKA.FR.Y.0008.250329T0800Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Calpella, Finley, Willits, Hopland, Clearlake,
Clearlake Park, Hidden Valley Lake, Lakeport, Potter Valley,
Talmage, Redwood Valley, Covelo, Legget, Laytonville, and
Middletown
1242 PM PDT Fri Mar 28 2025

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM PDT SATURDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Northern Mendocino Interior, Southeastern Mendocino 
  Interior, and Southern Lake.

* WHEN...From 1 AM to 8 AM PDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

ZVS
341 
WWUS76 KEKA 290331
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
831 PM PDT Fri Mar 28 2025

CAZ110-111-113-115-291145-
/O.CON.KEKA.FR.Y.0008.250329T0800Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Clearlake, Talmage, Hidden Valley Lake, Middletown,
Finley, Laytonville, Hopland, Covelo, Potter Valley, Willits,
Clearlake Park, Lakeport, Legget, Redwood Valley, and Calpella
831 PM PDT Fri Mar 28 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM PDT SATURDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Northern Mendocino Interior, Southeastern Mendocino 
  Interior, and Southern Lake.

* WHEN...From 1 AM to 8 AM PDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

MKK
077 
WWUS76 KEKA 291129
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
429 AM PDT Sat Mar 29 2025

CAZ110-111-113-115-291500-
/O.CON.KEKA.FR.Y.0008.000000T0000Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Clearlake Park, Clearlake, Talmage, Covelo, Hopland,
Finley, Potter Valley, Legget, Laytonville, Hidden Valley Lake,
Lakeport, Willits, Calpella, Redwood Valley, and Middletown
429 AM PDT Sat Mar 29 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Northern Mendocino Interior, Southeastern Mendocino 
  Interior, and Southern Lake.

* WHEN...Until 8 AM PDT this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

JHW
748 
WWUS76 KEKA 291445
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
745 AM PDT Sat Mar 29 2025

CAZ110-111-113-115-291545-
/O.EXP.KEKA.FR.Y.0008.000000T0000Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Hopland, Talmage, Clearlake Park, Potter Valley,
Lakeport, Clearlake, Finley, Legget, Middletown, Calpella,
Covelo, Redwood Valley, Hidden Valley Lake, Willits, and
Laytonville
745 AM PDT Sat Mar 29 2025

...FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING...

The threat has ended.

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

ZVS
Permalink to 202503281942-KEKA-WWUS76-NPWEKA
348 
WWUS76 KEKA 281942
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1242 PM PDT Fri Mar 28 2025

CAZ110-111-113-115-290345-
/O.NEW.KEKA.FR.Y.0008.250329T0800Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Calpella, Finley, Willits, Hopland, Clearlake,
Clearlake Park, Hidden Valley Lake, Lakeport, Potter Valley,
Talmage, Redwood Valley, Covelo, Legget, Laytonville, and
Middletown
1242 PM PDT Fri Mar 28 2025

...FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM PDT SATURDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Northern Mendocino Interior, Southeastern Mendocino 
  Interior, and Southern Lake.

* WHEN...From 1 AM to 8 AM PDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

ZVS
Permalink to 202503290331-KEKA-WWUS76-NPWEKA
341 
WWUS76 KEKA 290331
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
831 PM PDT Fri Mar 28 2025

CAZ110-111-113-115-291145-
/O.CON.KEKA.FR.Y.0008.250329T0800Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Clearlake, Talmage, Hidden Valley Lake, Middletown,
Finley, Laytonville, Hopland, Covelo, Potter Valley, Willits,
Clearlake Park, Lakeport, Legget, Redwood Valley, and Calpella
831 PM PDT Fri Mar 28 2025

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 8 AM PDT SATURDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Northern Mendocino Interior, Southeastern Mendocino 
  Interior, and Southern Lake.

* WHEN...From 1 AM to 8 AM PDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

MKK
Permalink to 202503291129-KEKA-WWUS76-NPWEKA
077 
WWUS76 KEKA 291129
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
429 AM PDT Sat Mar 29 2025

CAZ110-111-113-115-291500-
/O.CON.KEKA.FR.Y.0008.000000T0000Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Clearlake Park, Clearlake, Talmage, Covelo, Hopland,
Finley, Potter Valley, Legget, Laytonville, Hidden Valley Lake,
Lakeport, Willits, Calpella, Redwood Valley, and Middletown
429 AM PDT Sat Mar 29 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Northern Mendocino Interior, Southeastern Mendocino 
  Interior, and Southern Lake.

* WHEN...Until 8 AM PDT this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

JHW
Permalink to 202503291445-KEKA-WWUS76-NPWEKA
748 
WWUS76 KEKA 291445
NPWEKA

URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
745 AM PDT Sat Mar 29 2025

CAZ110-111-113-115-291545-
/O.EXP.KEKA.FR.Y.0008.000000T0000Z-250329T1500Z/
Northwestern Mendocino Interior-Northeastern Mendocino Interior-
Southeastern Mendocino Interior-Southern Lake-
Including Hopland, Talmage, Clearlake Park, Potter Valley,
Lakeport, Clearlake, Finley, Legget, Middletown, Calpella,
Covelo, Redwood Valley, Hidden Valley Lake, Willits, and
Laytonville
745 AM PDT Sat Mar 29 2025

...FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING...

The threat has ended.

$$

For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka

ZVS

All Storm Reports within Event Political Coverage

Storm Reports within Product Polygon

This table lists other events issued by the selected office for the selected year. Click on the row to select that event.