Alert archive / California / Winter Weather Advisories in 2011
Winter Weather Advisory 13, NWS San Diego, CA
NWS San Diego, CA issued this winter weather advisory at Nov 20, 2011, 2:25 AM PST for Riverside County, San Bernardino County, California. It took effect at Nov 20, 2011, 12:00 PM PST. It was in force for 14 hr.
The area
The counties it named.
The facts
- Issued
- Nov 20, 2011, 2:25 AM PST (10:25 UTC)
- In effect from
- Nov 20, 2011, 12:00 PM PST
- Expired
- Nov 21, 2011, 1:41 AM PST
- In force
- 14 hr
- Issued by
- NWS San Diego, CA
The radar
The Santa Ana Mts radar (KSOX), 152 km from the middle of the area, began a volume at 10:25 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.
What forecasters said that day
The local office's own words before this winter weather advisory 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 winter weather advisory went out at Nov 19, 2:00 PM PST, 12 hours 25 minutes earlier.
Area forecast discussion, Nov 19, 2:00 PM PST, 12 hours 25 minutes before
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</html>Hazardous weather outlook, Nov 19, 4:56 AM PST, 21 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN DIEGO CA 456 AM PST SAT NOV 19 2011 CAZ042-043-048-050-055>058-060>062-PZZ750-775-201400- 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- COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT 30 NM- WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO 60 NM OUT INCLUDING SAN CLEMENTE ISLAND- 456 AM PST SAT NOV 19 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ALL OF EXTREME SOUTHWESTERN CALIFORNIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY FOR SUNDAY THROUGH EARLY MONDAY...A PACIFIC STORM SYSTEM FROM THE NORTHWEST IS EXPECTED TO MOVE INLAND ACROSS SOUTHERN CALIFORNIA AND NORTHERN BAJA BRINGING MODERATE PRECIPITATION AMOUNTS AND GUSTY WINDS. GREATEST AMOUNTS ARE EXPECTED SUNDAY AFTERNOON AND EVENING. RAINFALL AMOUNTS COULD RANGE FROM ONE QUARTER TO ONE HALF INCH AT THE COAST TO ONE HALF TO ONE INCH ON THE COASTAL MOUNTAINS SLOPES. ONE QUARTER INCH OR LESS IS EXPECTED IN THE UPPER DESERTS AND ONE TENTH INCH OR LESS IN THE LOWER DESERTS. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS LATE SUNDAY AFTERNOON INTO SUNDAY EVENING AS THE COLDEST MID LEVEL AIR MOVES ACROSS SOUTHERN CALIFORNIA DESTABILIZING THE ATMOSPHERE. IN THE HIGHER ELEVATIONS OF THE SAN BERNARDINO AND RIVERSIDE COUNTY MOUNTAINS...SEVERAL INCHES OF SNOWFALL IS POSSIBLE SUNDAY AFTERNOON AND EVENING...MAINLY ABOVE 5500 TO 6000 FEET. ANOTHER PACIFIC STORM SYSTEM OF MODERATE INTENSITY IS POSSIBLE ON THANKSGIVING. .SPOTTER INFORMATION STATEMENT... SKYWARN WEATHER ACTIVATION IS NOT REQUESTED FOR THIS AREA... HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS. MARTIN
Nearby
Winter Weather Advisories in California, 2011Every winter weather advisory in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.