Alert archive / California / Flash Flood Warnings in 1986

Flash Flood Warning 3, NWS Los Angeles, CA

February 19, 1986Santa Barbara County, Ventura County, California

NWS Los Angeles, CA issued this flash flood warning at Feb 19, 1986, 4:40 AM PST for Santa Barbara County, Ventura County, California. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 1986, 4:40 AM PST (12:40 UTC)
Expired
Feb 19, 1986, 8:00 AM PST
In force
3 hr
Issued by
NWS Los Angeles, CA
Area
Whole counties

Counties Santa Barbara County, CA, Ventura County, CA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Pt Mugu Naws, CA (KNTD), launched 12:00Z, 0.7 hours before the alert went out and 57 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-pSkew-T log-p diagram, Pt Mugu Naws, CA at 12:00Z on 1986-02-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pt Mugu Naws, CA at 12:00Z on 1986-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
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
112 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Feb 19, 2:29 AM PST, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOS ANGELES CA
2 AM PST WED FEB 19 1986

      ...RAIN INCREASES IN THE OJAI AREA...

AN INCREASINGLY MOIST WEST SOUTHWESTERLY FLOW ALOFT IS WORKING ITS
WAY GRADUALLY SOUTHEAST INTO SOUTHERN CALIFORNIA THIS MORNING..AND
OCCASIONAL LIGHT RAIN WILL AFFECT MOST COASTAL AND MOUNTAIN AREAS..
REACHING TO SAN DIEGO AREA LATE IN THE DAY.  THE RAIN IS STRONGLY
AFFECTED BY THE COASTAL TERRAIN..AND MODERATE RAIN HAS BEEN REPORTED
IN THE OJAI AREA OF WESTERN VENTURA COUNTY WITH OVER HALF AN INCH IN
THE 3 HOURS UP UNTIL 2AM THIS MORNING.  RAIN SHOULD CONTINUE AT ABOUT
THE SAME RATES IN THAT AREA FOR SEVERAL MORE HOURS WITH OCCASIONAL
RAIN CONTINUING THROUGH THE DAY.

SOME LIGHT RAIN SHOULD REACH THE LOS ANGELES AREA BY SUNRISE THIS
MORNING.  A WEAK DISTURBANCE NOW ABOUT 800 MILES WEST SOUTHWEST OF
LOS ANGELES IS MOVING QUITE RAPIDLY TOWARD THE COAST..AND MAY MAKE
THE FRONT A LITTLE MORE ACTIVE LATE TODAY OR EARLY TONIGHT AS IT
MOVES INTO SOUTHERN CALIFORNIA. RAIN WILL TURN TO SCATTERED SHOWERS
THURSDAY BEHIND THE FRONT.

RAINFALL AMOUNTS EXPECTED BETWEEN NOW AND THURSDAY MORNING WILL
AVERAGE FROM ABOUT HALF AN INCH TO AN INCH IN THE COASTAL AREAS WITH
UP TO 3 INCHES IN THE MOUNTAINS DUE TO THE STRONG LIFTING BY THE
COASTAL MOUNTAINS..AND THE WHEELER BURN AREA NEAR OJAI WILL PROBABLY
HAVE NEAR 3 INCHES WITH THE STORM.  THE SNOW LEVEL WILL BE NEAR
8000 FEET.  SOUTH WINDS HAVE INCREASED TO 20 TO 40 MPH IN THE
NORTHERN MOUNTAINS THIS MORNING WITH LOCAL STRONGER GUSTS..AND GUSTY
WINDS WILL CONTINUE THROUGH THURSDAY WITH WINDS TO 30 MPH LIKELY
IN THE NORTHERN DESERTS.

ALL AREAS WILL BE COOLING A LITTLE TODAY THROUGH THURSDAY.

FURTHER STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

HAMILTON

Nearby

Flash Flood Warnings in California, 1986Every flash flood warning in 1986

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.