Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 7, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this flash flood warning at Mar 6, 2016, 12:12 AM PST for Santa Cruz County, California. It was in force for 108 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 6, 2016, 12:12 AM PST (08:12 UTC)
- Expired
- Mar 6, 2016, 2:00 AM PST
- In force
- 108 min
- Issued by
- NWS San Francisco Bay Area, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 26 km from the middle of the area, began a volume at 08:13 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 00:00Z, 8.2 hours before the alert went out and 95 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
- 31 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 207 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
735
WGUS56 KMTR 060812
FFWMTR
CAC087-061000-
/O.NEW.KMTR.FF.W.0007.160306T0812Z-160306T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1212 AM PST SUN MAR 6 2016
THE NATIONAL WEATHER SERVICE IN THE SAN FRANCISCO BAY AREA HAS ISSUED
A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL SANTA CRUZ COUNTY IN NORTHERN CALIFORNIA...
* UNTIL 200 AM PST
* AT 1206 AM PST...THE STREAM GAGE ON CORRALITOS CREEK AT FREEDOM
HAS RISEN TO 11.85 FEET. FLOOD STAGE IS 11.5 FEET. RECENT HEAVY
RAIN WILL LIKELY RESULT IN FURTHER RISES ON THE CORRALITOS
CREEK OVER THE NEXT HOUR...RESULTING IN CONTINUED FLASH FLOODING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...NORTHERN
WATSONVILLE AND FREEDOM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. DO NOT ATTEMPT TO CROSS A FLOODED ROADWAY
WITH YOUR VEHICLE.
&&
LAT...LON 3696 12176 3694 12176 3692 12179 3694 12182
$$
DYKEMA1 follow-up statement
938 WGUS76 KMTR 061008 FFSMTR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN FRANCISCO CA 208 AM PST SUN MAR 6 2016 CAC087-061016- /O.EXP.KMTR.FF.W.0007.000000T0000Z-160306T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SANTA CRUZ CA- 208 AM PST SUN MAR 6 2016 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL SANTA CRUZ COUNTY HAS EXPIRED... THE CORRALITOS CREEK AT FREEDOM HAS FALLEN BELOW FLOOD STAGE. HEAVY RAIN IS NO LONGER EXPECTED. THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES. LAT...LON 3696 12176 3694 12176 3692 12179 3694 12182 $$
The office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 4:17 PM PST | Areal Flood Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 6 hr |
| Mar 5, 9:07 PM PST | Small Craft Advisory | MTR | 54 hr | |
| Mar 5, 9:59 PM PST | Flash Flood Warning | MTR | Napa | 3 hr |
| Mar 5, 10:14 PM PST | Flash Flood Watch | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 4 more | 5 hr |
| Mar 5, 10:27 PM PST | Flash Flood Warning | MTR | Santa Cruz | 4 hr |
| Mar 5, 10:41 PM PST | Flash Flood Warning | MTR | Alameda | 4 hr |
| Mar 5, 10:50 PM PST | Flash Flood Warning | MTR | Sonoma | 4 hr |
| Mar 5, 11:46 PM PST | Flash Flood Warning | MTR | Santa Cruz | 3 hr |
| Mar 6, 2:24 AM PST | Gale Warning | MTR | 23 hr | |
| Mar 6, 2:24 AM PST | Small Craft Advisory | MTR | 13 hr | |
| Mar 6, 4:57 AM PST | Wind Advisory | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 23 hr |
| Mar 6, 5:16 AM PST | Flash Flood Watch | MTR | Alameda, Contra Costa, Marin, Monterey, Napa, San Benito and 5 more | 23 hr |
Nearby
Flash Flood Warnings in California, 2016Every flash flood warning in 2016
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.