Alert archive / California / High Wind Watches in 2007

High Wind Watch 11, NWS San Diego, CA

December 6, 2007Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind watch at Dec 6, 2007, 5:17 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 6, 2007, 10:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 6, 2007, 5:17 AM PST (13:17 UTC)
In effect from
Dec 6, 2007, 10:00 PM PST
Expired
Dec 6, 2007, 3:20 PM PST
In force
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 13:21 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 12:00Z, 1.3 hours before the alert went out and 145 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 2007-12-06Temperature 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 2007-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 84 square meters per square second.193958Sfc1 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
1437 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
84 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Diego, CA wrote its last area forecast discussion before this high wind watch went out at Dec 6, 3:30 AM PST, 1 hour 47 minutes earlier.

Area forecast discussion, Dec 6, 3:30 AM PST, 1 hour 47 minutes before
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Hazardous weather outlook, Dec 6, 3:53 AM PST, 1 hour 24 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN DIEGO CA
353 AM PST THU DEC 6 2007

CAZ042-043-048-050-055>058-060>062-071200-
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
353 AM PST THU DEC 6 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

LARGE SWELL WILL BRING HIGH SURF AND HAZARDOUS SEAS.
SEE LAXCFWSGX...LAXCWFSGX...AND LAXSRFSGX FOR DETAILS.

A STORM WILL BRING SIGNIFICANT RAIN TONIGHT. THE STORM WILL PRODUCE
STRONG WINDS TONIGHT...WITH STRONGEST WINDS IN THE MOUNTAINS.
SEE LAXSPSSGX AND LAXFFASGX FOR DETAILS.

HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY EVENING
FOR SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-SAN
DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-COACHELLA
VALLEY-SAN DIEGO COUNTY DESERTS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE STORM WILL CONTINUE TO BRING SIGNIFICANT RAIN AND MOUNTAIN
SNOW THROUGH SUNDAY. THE STORM WILL PRODUCE STRONG WINDS...
PARTICULARLY IN THE MOUNTAINS.
SEE LAXSPSSGX AND LAXFFASGX FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN WEATHER ACTIVATION IS NOT REQUESTED FOR THIS AREA...
HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT
WEATHER CONDITIONS.

MACKECHNIE

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 6, 3:20 PM PSTHigh Wind WarningSGXRiverside, San Bernardino, San Diego30 hr
Dec 6, 3:20 PM PSTWind AdvisorySGXOrange, Riverside, San Bernardino, San Diego22 hr

Nearby

High Wind Watches in California, 2007Every high wind watch in 2007

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.