Alert archive / California / Wind Advisories in 2013
Wind Advisory 21, NWS San Diego, CA
NWS San Diego, CA issued this wind advisory at Mar 15, 2013, 12:51 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Mar 15, 2013, 10:00 PM PDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Mar 15, 2013, 12:51 PM PDT (19:51 UTC)
- In effect from
- Mar 15, 2013, 10:00 PM PDT
- Expired
- Mar 16, 2013, 3:22 AM PDT
- In force
- 5 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 19:52 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, 7.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
955 WWUS76 KSGX 151951 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 1251 PM PDT FRI MAR 15 2013 ...DENSE FOG OVER THE WESTERN SAN DIEGO VALLEYS TONIGHT THROUGH MID-MORNING TOMORROW... ...STRONG WESTERLY WINDS OVER THE MOUNTAINS AND DESERTS TONIGHT THROUGH MID-MORNING TOMORROW... .A COASTAL EDDY WILL DEVELOP TONIGHT...LIFTING THE MARINE LAYER AND BRINGING DENSE FOG INTO THE WESTERN SAN DIEGO VALLEYS TONIGHT THROUGH MID-MORNING TOMORROW. ALSO...A SHORTWAVE TROUGH WILL MOVE OVER SOUTHERN CALIFORNIA TONIGHT...BRINGING STRONG AND GUSTY WESTERLY WINDS TO THE DESERT SLOPES AND ADJACENT DESERT AREAS THROUGH MID-MORNING TOMORROW. CAZ050-160500- /O.NEW.KSGX.FG.Y.0009.130316T0400Z-130316T1600Z/ SAN DIEGO COUNTY VALLEYS- 1251 PM PDT FRI MAR 15 2013 ...DENSE FOG ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PDT SATURDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PDT SATURDAY. * LOCATION...WESTERN PORTIONS OF THE SAN DIEGO COUNTY VALLEYS. * VISIBILITY...AREAS OF ONE-QUARTER MILE OR LESS VISIBILITY. * IMPACTS...LOW VISIBILITIES WILL MAKE TRAVEL HAZARDOUS TONIGHT THROUGH THE MID-MORNING HOURS TOMORROW. TRAVEL ALONG INTERSTATE 5...8...805 AND HIGHWAYS 78...76...56 AND 94 MAY BE IMPACTED. USE LOW BEAM HEADLIGHTS AND DRIVE WITH CAUTION IF YOU ENCOUNTER DENSE FOG. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$ CAZ055-056-058-060>062-160500- /O.NEW.KSGX.WI.Y.0021.130316T0500Z-130316T1700Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS- COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS- 1251 PM PDT FRI MAR 15 2013 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PDT SATURDAY... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PDT SATURDAY. * WINDS...WEST 20 TO 30 MPH WITH GUSTS TO 50 MPH. * TIMING...THIS EVENING THROUGH MID-MORNING TOMORROW. * LOCATION...DESERT SLOPES AND ADJACENT DESERT AREAS. * IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ HARRISON
2 follow-up statements
041 WWUS76 KSGX 160343 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 843 PM PDT FRI MAR 15 2013 ...DENSE FOG OVER THE WESTERN SAN DIEGO VALLEYS TONIGHT THROUGH MID-MORNING TOMORROW... ...STRONG WESTERLY WINDS OVER THE MOUNTAINS AND DESERTS TONIGHT THROUGH MID-MORNING TOMORROW... .A COASTAL EDDY WILL DEVELOP TONIGHT...LIFTING THE MARINE LAYER AND BRINGING DENSE FOG INTO THE WESTERN SAN DIEGO VALLEYS TONIGHT THROUGH MID-MORNING TOMORROW. ALSO...A SHORTWAVE TROUGH WILL MOVE OVER SOUTHERN CALIFORNIA TONIGHT...BRINGING STRONG AND GUSTY WESTERLY WINDS TO THE DESERT SLOPES AND ADJACENT DESERT AREAS THROUGH MID-MORNING TOMORROW. CAZ050-161215- /O.CON.KSGX.FG.Y.0009.130316T0400Z-130316T1600Z/ SAN DIEGO COUNTY VALLEYS- 843 PM PDT FRI MAR 15 2013 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SATURDAY... A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SATURDAY. * LOCATION...WESTERN PORTIONS OF THE SAN DIEGO COUNTY VALLEYS. * VISIBILITY...AREAS OF ONE-QUARTER MILE OR LESS VISIBILITY. * IMPACTS...LOW VISIBILITY WILL MAKE TRAVEL HAZARDOUS TONIGHT IN SOME AREAS THROUGH MID-MORNING ON SATURDAY. TRAVEL ALONG INTERSTATE 5...8...805 AND HIGHWAYS 78...76...56 AND 94 MAY BE IMPACTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITY WILL FREQUENTLY BE REDUCED TO LESS THAN ONE-QUARTER MILE. IF DRIVING...SLOW DOWN...USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE TO THE VEHICLE AHEAD IN CASE OF SUDDEN STOPS. && $$ CAZ055-056-058-060>062-161215- /O.CON.KSGX.WI.Y.0021.130316T0500Z-130316T1700Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS- COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS- 843 PM PDT FRI MAR 15 2013 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT SATURDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT SATURDAY. * WINDS...WEST 20 TO 30 MPH WITH LOCAL GUSTS TO 50 MPH. * TIMING...THROUGH MID-MORNING ON SATURDAY. * LOCATION...RIDGES...DESERT SLOPES...AND ADJACENT DESERT AREAS. * IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS WITH HIGH PROFILE VEHICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ JAD
901 WWUS76 KSGX 161022 NPWSGX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE SAN DIEGO CA 322 AM PDT SAT MAR 16 2013 ...AREAS OF DENSE FOG FOR THE WESTERN SAN DIEGO COUNTY VALLEYS EARLY THIS MORNING... .A WEAK COASTAL EDDY WILL BRING SLOW DEEPENING OF THE MARINE LAYER WITH AREAS OF DENSE FOG IN THE WESTERN SAN DIEGO COUNTY VALLEYS EARLY THIS MORNING. CAZ055-056-058-060>062-161130- /O.CAN.KSGX.WI.Y.0021.000000T0000Z-130316T1700Z/ SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS- SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS- COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS- 322 AM PDT SAT MAR 16 2013 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND ADVISORY. ONSHORE FLOW FROM A TROUGH OF LOW PRESSURE MOVING INLAND INTO ARIZONA WILL BRING LOCALLY GUSTY WEST WINDS IN THE MOUNTAINS AND DESERTS THIS MORNING WITH ISOLATED GUSTS TO AROUND 40 MPH. A SECOND TROUGH OF LOW PRESSURE MOVING INLAND THROUGH THE GREAT BASIN WILL BRING GUSTY WEST TO NORTHWEST WINDS TO THE MOUNTAINS AND DESERTS TONIGHT INTO SUNDAY MORNING WITH ISOLATED GUSTS TO AROUND 45 MPH. $$ CAZ050-161600- /O.CON.KSGX.FG.Y.0009.000000T0000Z-130316T1600Z/ SAN DIEGO COUNTY VALLEYS- 322 AM PDT SAT MAR 16 2013 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING... A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING. * LOCATION...WESTERN PORTIONS OF THE SAN DIEGO COUNTY VALLEYS. * VISIBILITY...AREAS OF VISIBILITIES OF LESS THAN ONE-QUARTER MILE AT TIMES. * IMPACTS...MOTORISTS SHOULD USE CAUTION WHEN ENCOUNTERING DENSE FOG. VISIBILITY CAN SUDDENLY DROP TO NEAR ZERO. REDUCE SPEED AND USE LOW BEAM HEADLIGHTS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITY WILL FREQUENTLY BE REDUCED TO LESS THAN ONE-QUARTER MILE. IF DRIVING...SLOW DOWN...USE LOW BEAM HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE TO THE VEHICLE AHEAD IN CASE OF SUDDEN STOPS. && $$ 17
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 12:51 PM PDT | Dense Fog Advisory | SGX | San Diego | 20 hr |
Nearby
Wind Advisories in California, 2013Every wind advisory in 2013
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.