Alert archive / California / High Wind Warnings in 2007

High Wind Warning 9, NWS San Diego, CA

May 2, 2007Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind warning at May 2, 2007, 1:49 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at May 2, 2007, 11:00 PM PDT. It was in force for 10 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 2, 2007, 1:49 PM PDT (20:49 UTC)
In effect from
May 2, 2007, 11:00 PM PDT
Expired
May 3, 2007, 8:57 AM PDT
In force
10 hr
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 20:47 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, 8.8 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 2007-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2007-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
2 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
34 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 
WWUS76 KSGX 022049
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
149 PM PDT WED MAY 2 2007

CAZ055-056-058-030500-
/O.NEW.KSGX.HW.W.0009.070503T0600Z-070503T2100Z/
/O.EXT.KSGX.HW.A.0007.070503T2100Z-070505T0600Z/
/O.CON.KSGX.WI.Y.0018.000000T0000Z-070503T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-
149 PM PDT WED MAY 2 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...
...HIGH WIND WARNING IN EFFECT FROM 11 PM THIS EVENING TO 2 PM
PDT THURSDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM PDT
THURSDAY. THE HIGH WIND WATCH IS NOW IN EFFECT FROM THURSDAY
AFTERNOON THROUGH FRIDAY EVENING. A WIND ADVISORY REMAINS IN
EFFECT UNTIL 11 PM PDT THIS EVENING. 

UPPER LEVEL LOW PRESSURE WILL CAUSE LOCAL STRONG GUSTY WEST WINDS
IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. LOCAL VISIBILITY MAY BE
REDUCED TO NEAR ZERO IN BLOWING DUST AND SAND...ESPECIALLY IN THE
DESERTS. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

$$

CAZ060>062-030500-
/O.EXT.KSGX.WI.Y.0018.000000T0000Z-070503T2100Z/
/O.EXT.KSGX.HW.A.0007.070503T2100Z-070505T0600Z/
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
149 PM PDT WED MAY 2 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 2 PM PDT THURSDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 2 PM PDT THURSDAY. THE
HIGH WIND WATCH IS NOW IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY EVENING. 

UPPER LEVEL LOW PRESSURE WILL CAUSE LOCAL STRONG GUSTY WEST WINDS
IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. LOCAL VISIBILITY MAY BE
REDUCED TO NEAR ZERO IN BLOWING DUST AND SAND...ESPECIALLY IN THE
DESERTS. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$
3 follow-up statements
000 
WWUS76 KSGX 030602
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1102 PM PDT WED MAY 2 2007

CAZ055-056-058-031415-
/O.EXP.KSGX.WI.Y.0018.000000T0000Z-070503T0600Z/
/O.CON.KSGX.HW.W.0009.000000T0000Z-070503T2100Z/
/O.CON.KSGX.HW.A.0007.070503T2100Z-070505T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-
1102 PM PDT WED MAY 2 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM PDT THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY EVENING...
...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. A HIGH WIND WARNING
REMAINS IN EFFECT UNTIL 2 PM PDT THURSDAY. A HIGH WIND WATCH
REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH FRIDAY EVENING.

UPPER LEVEL LOW PRESSURE WILL CAUSE LOCAL STRONG GUSTY WEST WINDS
IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. LOCAL VISIBILITY MAY BE
REDUCED TO NEAR ZERO IN BLOWING DUST AND SAND...ESPECIALLY IN THE
DESERTS. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$

CAZ060>062-031415-
/O.CON.KSGX.WI.Y.0018.000000T0000Z-070503T2100Z/
/O.CON.KSGX.HW.A.0007.070503T2100Z-070505T0600Z/
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
1102 PM PDT WED MAY 2 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THURSDAY...
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON
THROUGH FRIDAY EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THURSDAY. A HIGH
WIND WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
FRIDAY EVENING. 

UPPER LEVEL LOW PRESSURE WILL CAUSE LOCAL STRONG GUSTY WEST WINDS
IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. LOCAL VISIBILITY MAY BE
REDUCED TO NEAR ZERO IN BLOWING DUST AND SAND...ESPECIALLY IN THE
DESERTS. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$
000 
WWUS76 KSGX 031102
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
402 AM PDT THU MAY 3 2007

CAZ055-056-058-032100-
/O.CON.KSGX.HW.W.0009.000000T0000Z-070503T2100Z/
/O.CON.KSGX.HW.A.0007.070503T2100Z-070505T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-
402 AM PDT THU MAY 3 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON...
...HIGH WIND WATCH REMAINS IN EFFECT FROM 2 PM PDT THIS AFTERNOON
THROUGH FRIDAY EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON. A HIGH WIND WATCH REMAINS IN EFFECT FROM 2 PM PDT THIS
AFTERNOON THROUGH FRIDAY EVENING. 

UPPER LEVEL LOW PRESSURE WILL CAUSE LOCAL STRONG GUSTY WEST WINDS
IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY.

A WIND WARNING MEANS THAT WINDS OF 45 MPH WITH GUSTS TO OVER 
58 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION. LOCAL VISIBILITY MAY BE REDUCED TO NEAR ZERO IN BLOWING
DUST AND SAND...ESPECIALLY IN THE DESERTS. WATCH FOR BROKEN TREE
LIMBS AND DOWNED POWER LINES.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$

CAZ060>062-032100-
/O.CON.KSGX.WI.Y.0018.000000T0000Z-070503T2100Z/
/O.CON.KSGX.HW.A.0007.070503T2100Z-070505T0600Z/
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
402 AM PDT THU MAY 3 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON...
...HIGH WIND WATCH REMAINS IN EFFECT FROM 2 PM PDT THIS AFTERNOON
THROUGH FRIDAY EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON.
A HIGH WIND WATCH REMAINS IN EFFECT FROM 2 PM PDT THIS AFTERNOON
THROUGH FRIDAY EVENING. 

UPPER LEVEL LOW PRESSURE WILL CAUSE LOCAL STRONG GUSTY WEST WINDS
IN THE MOUNTAINS AND DESERTS AT TIMES THROUGH FRIDAY.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION. LOCAL VISIBILITY MAY BE
REDUCED TO NEAR ZERO IN BLOWING DUST AND SAND...ESPECIALLY IN THE
DESERTS. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$
000 
WWUS76 KSGX 031557
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
857 AM PDT THU MAY 3 2007

CAZ055-056-058-040000-
/O.CAN.KSGX.HW.W.0009.000000T0000Z-070503T2100Z/
/O.EXB.KSGX.WI.Y.0018.000000T0000Z-070504T1400Z/
/O.EXT.KSGX.HW.A.0007.070504T1400Z-070505T0600Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-
857 AM PDT THU MAY 3 2007

...WIND ADVISORY IN EFFECT UNTIL 7 AM PDT FRIDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM PDT FRIDAY. THE HIGH
WIND WARNING HAS BEEN CANCELLED. THE HIGH WIND WATCH IS NOW IN
EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING. 

WEST WINDS GUSTING AROUND 45 MPH ARE EXPECTED TODAY THROUGH
TONIGHT. ON FRIDAY WINDS WILL BE STRONGER WITH GUSTS OVER 60 MPH
POSSIBLE.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$

CAZ060>062-040000-
/O.EXT.KSGX.WI.Y.0018.000000T0000Z-070504T1400Z/
/O.EXT.KSGX.HW.A.0007.070504T1400Z-070505T0600Z/
APPLE AND LUCERNE VALLEYS-COACHELLA VALLEY-
SAN DIEGO COUNTY DESERTS-
857 AM PDT THU MAY 3 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 7 AM PDT FRIDAY...
...HIGH WIND WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 AM PDT FRIDAY. THE
HIGH WIND WATCH IS NOW IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING. 

WEST WINDS GUSTING AROUND 45 MPH ARE EXPECTED TODAY THROUGH
TONIGHT. ON FRIDAY WINDS WILL BE STRONGER WITH GUSTS OVER 60 MPH
POSSIBLE.

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

$$

BALFOUR

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 2:30 AM PDTHigh Wind WatchSGXRiverside, San Bernardino, San Diego46 hr
May 2, 2:30 AM PDTWind AdvisorySGXRiverside, San Bernardino, San Diego69 hr
May 2, 1:16 PM PDTHigh Surf AdvisorySGXSan Diego46 hr

Nearby

High Wind Warnings in California, 2007Every high wind warning 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.