Alert archive / California / Flood Watches in 2016
Flood Watch 9, NWS Eureka, CA
NWS Eureka, CA issued this flood watch at Nov 25, 2016, 8:52 AM PST for Del Norte County, Humboldt County, California. It took effect at Nov 25, 2016, 10:00 PM PST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 25, 2016, 8:52 AM PST (16:52 UTC)
- In effect from
- Nov 25, 2016, 10:00 PM PST
- Expired
- Nov 25, 2016, 2:26 PM PST
- In force
- 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 16:53 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 12:00Z, 4.9 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
- 1508 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
965 WGUS66 KEKA 251652 FFAEKA URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE EUREKA CA 852 AM PST FRI NOV 25 2016 CAZ101-102-105-260600- /O.CAN.KEKA.FA.A.0008.000000T0000Z-161126T1800Z/ /O.NEW.KEKA.FA.A.0009.161126T0600Z-161126T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT INTERIOR- 852 AM PST FRI NOV 25 2016 ...FLOOD WATCH IN EFFECT FROM 10 PM THIS EVENING THROUGH SATURDAY MORNING... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A * FLOOD WATCH FOR A PORTION OF NORTHWEST CALIFORNIA...INCLUDING THE FOLLOWING AREAS...COASTAL DEL NORTE...DEL NORTE INTERIOR AND NORTHERN HUMBOLDT INTERIOR. * FROM LATE THIS EVENING THROUGH SATURDAY MORNING. * A COLD FRONT WILL BRING PERIODS OF HEAVY RAIN TONIGHT THAT MAY RESULT IN MINOR URBAN AND SMALL STREAM FLOODING BY EARLY SATURDAY MORNING. * THE PRIMARY IMPACTS FROM THIS EVENT WILL BE LOCALIZED PONDING OF WATER ON LOW LYING ROADWAYS WITH POOR DRAINAGE...RAPID RISES OF SMALL STREAMS...AND POTENTIALLY ROCK AND MUD SLIDES ON MOUNTAIN ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
1 follow-up statement
314 WGUS66 KEKA 252226 FFAEKA FLOOD WATCH NATIONAL WEATHER SERVICE EUREKA CA 226 PM PST FRI NOV 25 2016 CAZ101-102-105-252330- /O.CAN.KEKA.FA.A.0009.161126T0600Z-161126T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT INTERIOR- 226 PM PST FRI NOV 25 2016 ...FLOOD WATCH IS CANCELLED... THE FLOOD WATCH FOR A PORTION OF NORTHWEST CALIFORNIA HAS BEEN CANCELLED. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 3:36 AM PST | Gale Warning | EKA | 23 hr | |
| Nov 25, 3:36 AM PST | Small Craft Advisory | EKA | 4 days | |
| Nov 25, 8:51 AM PST | Wind Advisory | EKA | Del Norte, Humboldt | 16 hr |
| Nov 25, 3:07 PM PST | Winter Weather Advisory | EKA | Del Norte, Humboldt, Mendocino, Trinity | 41 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.