Alert archive / California / Special Weather Statements in 2016

Special Weather Statement, NWS San Diego, CA

January 6, 2016Orange County, California

NWS San Diego, CA issued this special weather statement at Jan 6, 2016, 11:08 PM PST for Orange County, California. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jan 6, 2016, 11:08 PM PST (07:08 UTC)
Expired
Jan 6, 2016, 11:45 PM PST
In force
37 min
Issued by
NWS San Diego, CA

County Orange County, CA

The radar

The Santa Ana Mts radar (KSOX), 20 km from the middle of the area, began a volume at 07:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

San Diego, CA (KNKX), launched 00:00Z, 7.1 hours before the alert went out and 119 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 00:00Z on 2016-01-07Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 00:00Z on 2016-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939587897117Sfc1 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
505 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

695 
WWUS86 KSGX 070708
SPSSGX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
1108 PM PST WED JAN 6 2016
 
CAZ048-057-552-554-070745-
SANTA ANA MOUNTAINS-
INCLUDING THE TRABUCO RANGER DISTRICT OF THE CLEVELAND NATIONAL
FOREST CA-ORANGE COUNTY COASTAL CA-ORANGE COUNTY INLAND CA-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE CA-
1108 PM PST WED JAN 6 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL ORANGE AND RIVERSIDE
COUNTIES UNTIL 1145 PM PST...

AT 1107 PM PST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER GARDEN GROVE...MOVING EAST AT 25 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ANAHEIM...SANTA ANA...IRVINE...HUNTINGTON BEACH...GARDEN GROVE...
SOUTHERN CORONA...ORANGE...COSTA MESA...MISSION VIEJO...TUSTIN...
STANTON...NEWPORT BEACH...WESTMINSTER...BUENA PARK...FOUNTAIN
VALLEY...RANCHO SANTA MARGARITA...LAGUNA WOODS...FOOTHILL RANCH...
SILVERADO AND ORTEGA HIGHWAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 3384 11800 3385 11748 3358 11749 3365 11799
      3366 11801
TIME...MOT...LOC 0707Z 273DEG 20KT 3375 11793 

$$

JMB

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 6, 4:58 PM PSTAreal Flood AdvisorySGXRiverside, San Diego3 hr
Jan 6, 11:50 PM PSTSpecial Weather StatementSGXOrange55 min
Jan 7, 12:56 AM PSTAreal Flood AdvisorySGXOrange, Riverside, San Bernardino3 hr
Jan 7, 4:03 AM PSTSpecial Weather StatementSGXSan Diego42 min
Jan 7, 5:10 AM PSTSpecial Weather StatementSGXSan Diego50 min
Jan 7, 5:42 AM PSTAreal Flood AdvisorySGXSan Diego2 hr
Jan 7, 11:58 AM PSTWinter Weather AdvisorySGXRiverside10 hr

Nearby

Special Weather Statements in California, 2016Every special weather statement in 2016

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; radar from the NEXRAD Level II archive.