Alert archive / California / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 2, NWS Sacramento, CA

January 31, 1995Colusa County, Sutter County, California

NWS Sacramento, CA issued this severe thunderstorm warning at Jan 31, 1995, 8:30 PM PST for Colusa County, Sutter County, California. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Jan 31, 1995, 8:30 PM PST (04:30 UTC)
Expired
Jan 31, 1995, 9:15 PM PST
In force
45 min
Issued by
NWS Sacramento, CA
Area
Whole counties

Counties Colusa County, CA, Sutter County, CA

The nearest sounding before it

Oakland, CA (KOAK), launched 00:00Z, 4.5 hours before the alert went out and 154 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, Oakland, CA at 00:00Z on 1995-02-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Oakland, CA at 00:00Z on 1995-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
118 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KSAC 010432 RRA
SVRSAC
CAC101-011-010515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
830 PM PST TUE JAN 31 1995
 
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM PST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN CENTRAL CALIFORNIA
 
   ...SUTTER COUNTY
 
IN NORTH CENTRAL CALIFORNIA
 
   ...EASTERN COLUSA COUNTY
 
AT 825 PM DOPPLER RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS
MOVING EAST AT 40 MILES AN HOUR TOWARDS THE TOWNS OF COLUSA, WILLIAMS,
AND ARBUCKLE.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 31, 7:50 PM PST, 40 minutes before
CAZ006-009-010600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
750 PM PST TUE JAN 31 1
Special weather statement, Jan 31, 7:50 PM PST, 40 minutes before
CAZ006-009-010600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
750 PM PST TUE JAN 31 1

The office that day

Everything else NWS Sacramento, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 31, 9:12 PM PSTSevere Thunderstorm WarningSTOYuba

Nearby

Severe Thunderstorm Warnings in California, 1995Every severe thunderstorm warning in 1995

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.