Alert archive / California / Flash Flood Warnings in 1993

Flash Flood Warning 2, NWS Sacramento, CA

January 14, 1993Butte County, California

NWS Sacramento, CA issued this flash flood warning at Jan 14, 1993, 2:15 AM PST for Butte County, California. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued: Jan 14, 1993, 2:15 AM PST (10:15 UTC)
Expired: Jan 14, 1993, 10:40 AM PST
In force: 8 hr
Issued by: NWS Sacramento, CA
Area: Whole counties

County Butte County, CA

The nearest sounding before it

Oakland, CA (KOAK), launched 00:00Z, 10.3 hours before the alert went out and 222 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 117 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 527 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 128 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KRDD 141018
FFWRDD
CAC007-142015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE REDDING CA
215 AM PST THU JAN 14 1993
 
THE NATIONAL WEATHER SERVICE IN REDDING HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 PM PST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTH CENTRAL CALIFORNIA
 
   ...SOUTHERN BUTTE COUNTY
 
ALSO...
 
  ...URBAN AND SMALL STREAM FLOOD ADVISORY FOR THE REST OF BUTTE COUNTY
     AND FAR EASTERN GLENN COUNTY EFFECTIVE TO 1215 PM PST...
 
RAIN CONTINUES TO FALL OVER THE SACRAMENTO VALLEY WITH MOST LOCATIONS
PICKING UP A HALF TO AN INCH OF RAIN SINCE 9 PM WEDNESDAY.
 
NATIONAL WEATHER SERVICE RADAR SHOWS SOLID PRECIPATAION COVERING THE
SACRAMENTO VALLEY. A BAND OF HEAVIER RAINFALL LIES 30 MILES TO THE WEST
OF CHICO.
 
PERSONS LIVING NEAR STREAMS DRAINING FROM THE FOOTHILLS IN BUTTE COUNTY
ARE URGED TO STAY IN TOUCH WITH THE LATEST WEATHER FORECASTS AND FLOOD
STATEMENTS TONIGHT.
 
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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

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.

In the hours before

Special weather statement, Jan 13, 9:34 PM PST, 4 hours 41 minutes before

CAZ009-141500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE REDDING CA
930 PM PST WED JAN 13 1993

           ...FLOODING REPORTED AROUND QUINCY...

RAINS IN QUINCY TODAY HAS LED TO THE MELTING OF SNOW AND RESULTED IN
AREAS OF LARGE PUDDLES ON STREETS IN TOWN AND SURROUNDING AREA. IN
ADDITION...SNOW REMOVAL CREWS APPARENTLY BULLDOZED A LARGE AMOUNT OF
SNOW INTO A STREAM ALONG LEE ROAD. WATER HAS GATHERED BEHIND THIS
SNOW DAM AND FLOODED A TRAILER PARK...REPORTEDLY TRAPPING ONE WOMAN
FOR A TIME. SNOW REMOVAL CREWS HAVE NOW TAKEN CARE OF THIS PROBLEM.

HEAVY RAIN IS STILL EXPECTED TO CONTINUE AT TIMES IN THE QUINCY AREA
THROUGH THE NIGHT. RAIN IS EXPECTED TO CHANGE BACK TO SNOW LATE TOt-
NIGHT OR THURSDAY MORNING AS COLDER AIR MOVES BACK OVER THE AREA.

SALAS/WSS

Nearby

Flash Flood Warnings in California, 1993 Every flash flood warning in 1993

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.