Alert archive / California / Flash Flood Warnings in 2006
Flash Flood Warning 2, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this flash flood warning at Mar 5, 2006, 9:39 PM PST for Santa Cruz County, California. It was in force for 66 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 5, 2006, 9:39 PM PST (05:39 UTC)
- Expired
- Mar 5, 2006, 10:45 PM PST
- In force
- 66 min
- Issued by
- NWS San Francisco Bay Area, CA
- Area
- Counties, with a storm outline in the text
County Santa Cruz County, CA
The radar
The San Francisco radar (KMUX), 22 km from the middle of the area, began a volume at 05:42 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, 5.7 hours before the alert went out and 66 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
- 865 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 217 m²/s²
- 0-3 km storm-relative helicity
- 324 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS56 KMTR 060544
FFWMTR
CAC087-060645-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
939 PM PST SUN MAR 5 2006
THE NATIONAL WEATHER SERVICE IN SAN FRANCISCO BAY AREA HAS EXTENDED A
* FLASH FLOOD WARNING FOR...
WESTERN SANTA CRUZ COUNTY IN CALIFORNIA
* UNTIL 1045 PM PST
* AT 941 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TO INDICATE A PERSISTENT AREA OF VERY HEAVY RAIN OVER WESTERN
SANTA CRUZ COUNTY. RAIN CONTINUES TO FALL AT THE RATE OF ONE HALF
INCH TO ONE INCH PER HOUR IN THIS AREA. A RAIN GAGE AT BEN LOMOND
HAS INDICATED THAT NEARLY 2 INCHES OF RAIN HAS FALLEN IN THE LAST
THREE HOURS. RAINFALL OF THIS MAGNITUDE WILL CAUSE FLASH FLOODING
AND MUDSLIDES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BOULDER
CREEK...BEN LOMOND...BONNY DOON...DAVENPORT...AND THE WEST SIDE OF
THE CITY OF SANTA CRUZ.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TURN AROUND...DONT DROWN.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN LOW LYING AREAS WITHIN THE WARNING AREA...MOVE TO
HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS
SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO
NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN
DEPTH BY FOOT OR BY AUTOMOBILE.
LAT...LON 3719 12216 3721 12214 3724 12214 3723 12210
3710 12202 3694 12204 3701 12219 3707 12225
3718 12229
$$
STROBIN/WEAGLE1 follow-up statement
000
WGUS76 KMTR 060645
FFSMTR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1044 PM PST SUN MAR 5 2006
CAC087-060650-
SANTA CRUZ CA-
1044 PM PST SUN MAR 5 2006
...THE FLASH FLOOD WARNING FOR WESTERN SANTA CRUZ COUNTY EXPIRES AT
1045 PM PST...
THE NATIONAL WEATHER SERVICE HAS ALLOWED THE FLASH FLOOD WARNING FOR
WESTERN SANTA CRUZ COUNTY TO EXPIRE AT 1045 PM. RAINFALL RATES HAVE
DECREASED TO LESS THAN ONE QUARTER OF AN INCH PER HOUR. PERIODS OF
MODERATE TO HEAVY RAIN ARE EXPECTED TO CONTINUE FOR MUCH OF THE
NIGHT...SO LOCALIZED MUDSLIDES AND FLOODING ARE STILL POSSIBLE.
LAT...LON 3719 12216 3721 12214 3724 12214 3723 12210
3710 12202 3694 12204 3701 12219 3707 12225
3718 12229
$$
WEAGLEThe office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 8:51 PM PST | Flash Flood Warning | MTR | Santa Cruz | 54 min |
| Mar 6, 8:14 AM PST | Flash Flood Warning | MTR | Sonoma | 3 hr |
Nearby
Flash Flood Warnings in California, 2006Every flash flood warning in 2006
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.