Alert archive / California / Flood Watches in 2025
Flood Watch 1, NWS Eureka, CA
NWS Eureka, CA issued this flood watch at Feb 3, 2025, 4:23 AM PST for Humboldt County, California. It took effect at Feb 3, 2025, 9:00 PM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 3, 2025, 4:23 AM PST (12:23 UTC)
- In effect from
- Feb 3, 2025, 9:00 PM PST
- Expired
- Feb 3, 2025, 9:41 AM PST
- In force
- Issued by
- NWS Eureka, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 39 km from the middle of the area, began a volume at 12:23 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 river
Written for the forecast point Eel River (CA) at Fernbridge (FRNC1). The gauge peaked at 20.91 ft at Feb 3, 2025, 3:00 PM PST.
- Action stage
- 14 ft
- Minor stage
- 20 ft
- Moderate stage
- 22 ft
- Major stage
- 25 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 11479560, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The nearest sounding before it
Oakland, CA (KOAK), launched 12:00Z, 0.4 hours before the alert went out and 362 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
- 13 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 701 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flood watch 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 flood watch went out at Feb 2, 3:04 PM PST, 13 hours 19 minutes earlier.
Area forecast discussion, Feb 2, 3:04 PM PST, 13 hours 19 minutes before
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</html>The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 9:36 AM PST | River Flood Warning | EKA | Humboldt | 30 hr |
| Feb 3, 1:28 PM PST | River Flood Advisory | EKA | Humboldt | 26 hr |
Nearby
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; the gauge from the NWS water service and the USGS.