Alert archive / California / Flood Watches in 2017
Flood Watch 2, NWS Eureka, CA
NWS Eureka, CA issued this flood watch at Jan 9, 2017, 3:28 AM PST for 4 counties in California. It took effect at Jan 10, 2017, 4:00 AM PST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jan 9, 2017, 3:28 AM PST (11:28 UTC)
- In effect from
- Jan 10, 2017, 4:00 AM PST
- Expired
- Jan 10, 2017, 7:00 PM PST
- In force
- 15 hr
- Issued by
- NWS Eureka, CA
- Flood severity
- None
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 60 km from the middle of the area, began a volume at 11:27 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 00:00Z, 11.5 hours before the alert went out and 204 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
- 868 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- 190 m²/s²
- 0-3 km storm-relative helicity
- 241 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
128 WGUS66 KEKA 091128 FFAEKA URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE EUREKA CA 328 AM PST MON JAN 9 2017 CAZ101>113-091930- /O.NEW.KEKA.FA.A.0002.170110T1200Z-170111T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR- SOUTHERN HUMBOLDT INTERIOR-NORTHERN TRINITY-SOUTHERN TRINITY- MENDOCINO COAST-NORTHWESTERN MENDOCINO INTERIOR- NORTHEASTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR- SOUTHEASTERN MENDOCINO INTERIOR- 328 AM PST MON JAN 9 2017 ...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... 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... MENDOCINO COAST...NORTHEASTERN MENDOCINO INTERIOR...NORTHERN HUMBOLDT COAST...NORTHERN HUMBOLDT INTERIOR...NORTHERN TRINITY...NORTHWESTERN MENDOCINO INTERIOR...SOUTHEASTERN MENDOCINO INTERIOR...SOUTHERN HUMBOLDT INTERIOR...SOUTHERN TRINITY...SOUTHWESTERN HUMBOLDT AND SOUTHWESTERN MENDOCINO INTERIOR. * FROM LATE TONIGHT THROUGH TUESDAY EVENING * WIDESPREAD RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED ON TUESDAY WITH LOCAL AMOUNTS OF 4 TO 5 INCHES POSSIBLE ACROSS HIGHER TERRAIN. * THE PRIMARY IMPACTS WILL BE LOCALIZED PONDING OF WATER ON LOW LYING ROADWAYS WITH POOR DRAINAGE...RISES OF ALL AREA SMALL STREAMS...SOME RIVER FLOODING...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. && $$
4 follow-up statements
413 WGUS66 KEKA 091932 FFAEKA FLOOD WATCH NATIONAL WEATHER SERVICE EUREKA CA 1132 AM PST MON JAN 9 2017 CAZ101>113-100345- /O.CON.KEKA.FA.A.0002.170110T1200Z-170111T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR- SOUTHERN HUMBOLDT INTERIOR-NORTHERN TRINITY-SOUTHERN TRINITY- MENDOCINO COAST-NORTHWESTERN MENDOCINO INTERIOR- NORTHEASTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR- SOUTHEASTERN MENDOCINO INTERIOR- 1132 AM PST MON JAN 9 2017 ...FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY EVENING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHWEST CALIFORNIA...INCLUDING THE FOLLOWING AREAS...ALL OF DEL NORTE...HUMBOLDT...TRINITY AND MENDOCINO COUNTIES. * FROM LATE TONIGHT THROUGH TUESDAY EVENING * WIDESPREAD RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED FROM MONDAY EVENING THROUGH LATE TUESDAY WITH LOCAL AMOUNTS OF 4 TO 8 INCHES POSSIBLE ACROSS HIGHER TERRAIN. * THE PRIMARY IMPACTS WILL BE LOCALIZED PONDING OF WATER ON LOW LYING ROADWAYS WITH POOR DRAINAGE...RISES OF ALL AREA SMALL STREAMS...SOME RIVER FLOODING...AND POTENTIALLY ROCK AND MUD SLIDES ON MOUNTAIN ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
212 WGUS66 KEKA 100140 FFAEKA FLOOD WATCH NATIONAL WEATHER SERVICE EUREKA CA 540 PM PST MON JAN 9 2017 CAZ101>113-102000- /O.CON.KEKA.FA.A.0002.170110T1200Z-170111T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR- SOUTHERN HUMBOLDT INTERIOR-NORTHERN TRINITY-SOUTHERN TRINITY- MENDOCINO COAST-NORTHWESTERN MENDOCINO INTERIOR- NORTHEASTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR- SOUTHEASTERN MENDOCINO INTERIOR- 540 PM PST MON JAN 9 2017 ...GENERAL FLOOD WATCH REMAINS IN EFFECT FROM 4 AM PST TUESDAY THROUGH TUESDAY EVENING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHWEST CALIFORNIA...INCLUDING THE FOLLOWING AREAS...COASTAL DEL NORTE...DEL NORTE INTERIOR...MENDOCINO COAST...NORTHEASTERN MENDOCINO INTERIOR...NORTHERN HUMBOLDT COAST...NORTHERN HUMBOLDT INTERIOR...NORTHERN TRINITY... NORTHWESTERN MENDOCINO INTERIOR...SOUTHEASTERN MENDOCINO INTERIOR...SOUTHERN HUMBOLDT INTERIOR...SOUTHERN TRINITY... SOUTHWESTERN HUMBOLDT AND SOUTHWESTERN MENDOCINO INTERIOR. * FROM 4 AM PST TUESDAY THROUGH TUESDAY EVENING * WIDESPREAD RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE EXPECTED FROM MONDAY EVENING THROUGH LATE TUESDAY WITH LOCAL AMOUNTS OF 4 TO 8 INCHES POSSIBLE ACROSS HIGHER TERRAIN. * THE PRIMARY IMPACTS WILL BE LOCALIZED PONDING OF WATER ON LOW LYING ROADWAYS WITH POOR DRAINAGE...RISES OF ALL AREA SMALL STREAMS...SOME RIVER FLOODING...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. && $$
129 WGUS66 KEKA 101959 FFAEKA FLOOD WATCH NATIONAL WEATHER SERVICE EUREKA CA 1159 AM PST TUE JAN 10 2017 CAZ101>113-110300- /O.CON.KEKA.FA.A.0002.000000T0000Z-170111T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR- SOUTHERN HUMBOLDT INTERIOR-NORTHERN TRINITY-SOUTHERN TRINITY- MENDOCINO COAST-NORTHWESTERN MENDOCINO INTERIOR- NORTHEASTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR- SOUTHEASTERN MENDOCINO INTERIOR- 1159 AM PST TUE JAN 10 2017 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING... THE FLOOD WATCH CONTINUES FOR * A PORTION OF NORTHWEST CALIFORNIA...DEL NORTE, HUMBOLDT, MENDOCINO, AND TRINITY COUNTIES. * UNTIL 7 PM PST THIS EVENING. * ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE EXPECTED FROM MONDAY EVENING THROUGH LATE TUESDAY WITH LOCAL AMOUNTS OF UP TO 4 INCHES POSSIBLE OVER HIGHER TERRAIN. * THE PRIMARY IMPACTS WILL BE LOCALIZED PONDING OF WATER ON LOW LYING ROADWAYS WITH POOR DRAINAGE...RISES OF ALL AREA SMALL STREAMS...RIVER FLOODING...AND POTENTIALLY ROCK AND MUD SLIDES ON MOUNTAIN ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLOOD WATCH MEANS THERE IS A POTENTIAL FOR FLOODING BASED ON CURRENT FORECASTS. YOU SHOULD MONITOR LATER FORECASTS AND BE ALERT FOR POSSIBLE FLOOD WARNINGS. THOSE LIVING IN AREAS PRONE TO FLOODING SHOULD BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP. && $$
792 WGUS66 KEKA 110315 FFAEKA FLOOD WATCH NATIONAL WEATHER SERVICE EUREKA CA 715 PM PST TUE JAN 10 2017 CAZ101>113-110415- /O.EXP.KEKA.FA.A.0002.000000T0000Z-170111T0300Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-NORTHERN HUMBOLDT INTERIOR- SOUTHERN HUMBOLDT INTERIOR-NORTHERN TRINITY-SOUTHERN TRINITY- MENDOCINO COAST-NORTHWESTERN MENDOCINO INTERIOR- NORTHEASTERN MENDOCINO INTERIOR-SOUTHWESTERN MENDOCINO INTERIOR- SOUTHEASTERN MENDOCINO INTERIOR- 715 PM PST TUE JAN 10 2017 ...FLOOD WATCH HAS EXPIRED... THE FLOOD WATCH FOR A PORTION OF NORTHWEST CALIFORNIA HAS EXPIRED. THE HEAVIEST RAIN HAS ENDED AND THE SMALL STREAMS WILL SLOWLY RECEDE TONIGHT AND WEDNESDAY. RIVER FLOODING IS STILL EXPECTED, PLEASE REFER TO THE WARNINGS FOR THESE. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 6:34 PM PST | Wind Advisory | EKA | Del Norte | 8 hr |
| Jan 8, 10:34 PM PST | Coastal Flood Advisory | EKA | Humboldt | 11 hr |
| Jan 8, 10:50 PM PST | High Wind Watch | EKA | Del Norte, Humboldt, Mendocino | 15 hr |
| Jan 9, 12:00 AM PST | Special Marine Warning | EKA | 30 min | |
| Jan 9, 12:29 AM PST | Special Marine Warning | EKA | 31 min | |
| Jan 9, 12:48 AM PST | Special Weather Statement | EKA | Humboldt | 42 min |
| Jan 9, 2:46 AM PST | Gale Warning | EKA | 42 hr | |
| Jan 9, 4:15 AM PST | Coastal Flood Watch | EKA | Humboldt | 24 hr |
| Jan 9, 4:15 AM PST | Coastal Flood Advisory | EKA | Del Norte, Humboldt, Mendocino | 31 hr |
| Jan 9, 9:48 AM PST | River Flood Watch | EKA | Humboldt | 6 hr |
| Jan 9, 9:48 AM PST | River Flood Watch | EKA | Mendocino | 6 hr |
| Jan 9, 1:30 PM PST | High Wind Warning | EKA | Del Norte, Humboldt | 25 hr |
| Jan 9, 1:30 PM PST | Wind Advisory | EKA | Del Norte, Humboldt, Mendocino | 30 hr |
| Jan 9, 2:20 PM PST | Special Marine Warning | EKA | 40 min | |
| Jan 9, 2:36 PM PST | Special Marine Warning | EKA | 24 min | |
| Jan 9, 2:56 PM PST | Special Marine Warning | EKA | 34 min | |
| Jan 9, 3:07 PM PST | Special Marine Warning | EKA | 23 min | |
| Jan 9, 3:09 PM PST | River Flood Warning | EKA | Mendocino | 46 hr |
| Jan 9, 3:09 PM PST | River Flood Warning | EKA | Humboldt | 37 hr |
| Jan 9, 3:09 PM PST | River Flood Warning | EKA | Humboldt | 40 hr |
| Jan 9, 3:33 PM PST | Special Weather Statement | EKA | Del Norte | 42 min |
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.