Alert archive / California / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 8, NWS San Diego, CA

June 21, 2000San Diego County, California

NWS San Diego, CA issued this severe thunderstorm warning at Jun 21, 2000, 1:45 PM PDT for San Diego County, California. It was in force for 45 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 21, 2000, 1:45 PM PDT (20:45 UTC)
Expired
Jun 21, 2000, 2:30 PM PDT
In force
45 min
Issued by
NWS San Diego, CA
Area
Whole counties

County San Diego County, CA

What was reported inside it

TimeReportWhereRemark
Jun 21, 1:45 PM PDTHail 1Rincon, CA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 8.8 hours before the alert went out and 47 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, San Diego, CA at 12:00Z on 2000-06-21Temperature 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, San Diego, CA at 12:00Z on 2000-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
895 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
53 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 
WUUS56 KSGX 212047
SVRSAN
CAC073-212130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
145 PM PDT WED JUN 21 2000

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL SAN DIEGO COUNTY IN CALIFORNIA

* UNTIL 230 PM PDT

* AT 140 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NORTH CENTRAL SAN DIEGO COUNTY...OR 
  ABOUT 8 MILES WEST OF WARNER SPRINGS NEAR STATE HIGHWAY 
  76. THE STORM IS MOVING WEST AT ABOUT 10 MPH.  
   
  DAMAGING WINDS TO 60 MPH AND HAIL GREATER THAN 1 INCH IS LIKELY... 
  ALONG WITH 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 
  DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

  REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY  
  WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST    
  OFFICE IN SAN DIEGO.

$$

SMALL

Nearby

Severe Thunderstorm Warnings in California, 2000Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.