Alert archive / California / Flash Flood Warnings in 1997
Flash Flood Warning 4, NWS Sacramento, CA
NWS Sacramento, CA issued this flash flood warning at Jan 4, 1997, 6:49 PM PST for Sutter County, California. It was in force for 91 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 4, 1997, 6:49 PM PST (02:49 UTC)
- Expired
- Jan 4, 1997, 8:20 PM PST
- In force
- 91 min
- Issued by
- NWS Sacramento, CA
- Area
- Whole counties
County Sutter County, CA
The nearest sounding before it
Oakland, CA (KOAK), launched 00:00Z, 2.8 hours before the alert went out and 152 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
- 1164 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAC 050256 FFWSAC CAC101-101-050420- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SACRAMENTO CA 649 PM PST SAT JAN 4 1997 THE NATIONAL WEATHER SERVICE IN SACRAMENTO CA HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 820 PM PST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHERN CALIFORNIA ...WESTERN SUTTER COUNTY ...LEVEE BREAK ON SUTTER BYPASS... SUTTER COUNTY OES HAS ORDERED A MANDATORY EVACUATION FOR RESIDENTS RESIDING BETWEEN THE SUTTER BYPASS AND THE SACRAMENTO RIVER NORTH OF TISDALE BYPASS. EMERGENCY OFFICIALS ARE DIRECTING PEOPLE LEAVING THE AREA TO TRAVEL WEST ON RIVER ROAD...THEN NORTH ON MERIDAN ROAD. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MASTERS-BEVAN/MATTHEWS
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sacramento, CA wrote its last area forecast discussion before this flash flood warning went out at Jan 4, 2:41 PM PST, 4 hours 8 minutes earlier.
Area forecast discussion, Jan 4, 2:41 PM PST, 4 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
830 AM SAT JAN 4 1997
SATELLITE IMAGERY SHOWS VORT MAX CONTINUING TO WEAKEN AS IT MOVES
SOUTHEAST INTO CENTRAL CALIFORNIA. NO MEASURABLE PRECIPITATION
EXPECTED FROM THIS SYSTEM. MOST ZONES WILL SEE CLEARING OF CLOUDS
LATE TONIGHT AS DRIER AIR ALOFT FILTERS IN. THOUGH NOT EARLY ENOUGH
FOR SIGNIFICANT FOG EVENT TO SET INTO VALLEY. MODELS ALL DIG TROF
INTO GREAT BASIN AND DEVELOP A NORTH TO SOUTH...OFF SHORE FLOW OVER
FORECAST AREA WITH MESO ETA SHOWING EARLIEST START ON SUNDAY NIGHT.
THUS HAVE NOT PUT FOG INTO MY FORECAST AFTER TOMORROW MORNING. WILL
SEE WHAT ABUNDANT WATER IN AREA WILL DO TO THE FORECAST THOUGH.
WATER IN VALLEY RIVERS REMAINS HIGH WITH LEVEES FEELING THE STRAIN
WITH THE FOLLOWING WARNINGS/WATCHES IN EFFECT.
.SAC...FFA TNGT FOR SOUTHERN SAN JOAQUIN COUNTY
...SMALL RIVER AND STREAM FLOOD WRNG...TNGT...ZN19
...FLOOD WARNING...SACRAMENTO...SAN JO.AQUIN...CONSUMNES...FEATHER
...MOKELUMNE...TOULUMNE RIVERS AND YOLO BYPASS
EGGER
BLU EB 030/026 025/035 023 71220
RBL BB 032/054 030/055 030 71000
SAC BB 039/056 037/055 035 71000The office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 9:50 PM PST | Flash Flood Warning | STO | Sutter | 5 hr |
| Jan 5, 2:01 PM PST | Flash Flood Warning | STO | San Joaquin | 69 min |
Nearby
Flash Flood Warnings in California, 1997Every flash flood warning in 1997
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.