The Dawson Fire was started accidentally by a motorcyclist illegally riding on private property. The fire burned 990 acres of brush south of Corona.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SGX wrote it up.
The Dawson Fire was started accidentally by a motorcyclist illegally riding on private property. The fire burned 990 acres of brush south of Corona. Three people were treated for minor injuries. No structures were burned.
The local office's own words before the first event, 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 the first event at May 8, 1:00 PM PST, 3 hours 2 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 200 PM PDT TUE MAY 8 2007 .SYNOPSIS... WEAKENING OFFSHORE FLOW WILL BRING ANOTHER MOSTLY CLEAR NIGHT TONIGHT ALTHOUGH SOME LOW CLOUDS MAY DEVELOP ALONG THE COAST BY MORNING. INCREASING ONSHORE FLOW AND A SLOWLY DEEPENING MARINE LAYER WILL BRING GRADUAL COOLING WEST OF THE MOUNTAINS THROUGH FRIDAY. THE LOWER DESERTS WILL REMAIN VERY WARM THROUGH THE END OF THE WEEK. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES. OFFSHORE FLOW CONTINUES BUT THE PRESSURE GRADIENT BETWEEN KTPH AND KSAN HAS RELAXED...DOWN TO ABOUT 5 MBS OFFSHORE. GRADIENT TO THE SOUTHERN DESERTS HAD INCREASED TO ABOUT 1 MBS. THE OFFSHORE FLOW ALONG WITH DIMINISHING WINDS HAS RESULTED IN TEMPERATURES BEING ABOUT 3 TO 5 DEGREES HIGHER THAN MONDAY AFTERNOON AT A NUMBER OF LOCATIONS. SAN DIEGO LINDBERGH FIELD WAS AS MUCH AS 10 DEGREES HIGHER THAN MONDAY AFTERNOON AND HAS ALREADY BROKEN THE RECORD FOR THE DATE. A NUMBER OF OTHER LOCATIONS WILL LIKELY BREAK RECORDS TODAY AS WELL. 12Z MODELS CONTINUE TO INDICATE THE RIDGE WILL BEGIN TO WEAKEN AND SHIFT SLOWLY INLAND ON WEDNESDAY AS A TROUGH OVER THE EASTERN PACIFIC EDGES A LITTLE CLOSER TO THE COAST. THIS SHOULD BRING COOLING TO MOST AREAS WEST OF THE MOUNTAINS ON WEDNESDAY WITH A LITTLE FURTHER COOLING ON THURSDAY AS THE MARINE LAYER CONTINUES TO DEEPEN. A SHORTWAVE TROUGH TO THE SOUTHWEST SLIDES NORTHEAST THROUGH THE AREA LATE THURSDAY INTO FRIDAY. THIS SHORTWAVE WILL BRING SOME HIGH CLOUDS TO THE AREA AS WELL AS DEEPEN THE MARINE LAYER A LITTLE FURTHER BUT SHOULD NOT HAVE MUCH IMPACT ON THE AREA. MEDIUM RANGE MODELS KEEP A SOUTHWEST FLOW ALOFT OVER THE AREA THROUGH THE WEEKEND AND EARLY NEXT WEEK. SHORTWAVE TROUGHS SLIDE NORTHEAST INTO THE PACIFIC NORTHWEST WELL NORTH OF THE AREA THROUGH THE PERIOD. MAIN IMPACT WILL BE TO MAINTAIN THE MARINE LAYER WEST OF THE MOUNTAINS. OTHERWISE DRY WEATHER WILL CONTINUE. && .AVIATION... 081930Z...CLEAR WITH VFR CONDITIONS TODAY INTO WED...EXCEPT PATCHY FOG POSSIBLE NEAR KSAN FROM 11-15Z WED WITH CEILINGS BLO 1000 FEET AND VISBYS BLO 1SM. && .SGX WATCHES/WARNINGS/ADVISORIES... NONE. && PUBLIC...HORTON AVIATION...MM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN DIEGO CA 400 AM PDT TUE MAY 8 2007 CAZ042-043-048-050-055-056-057-058-060-061-062-090000- 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- 400 AM PDT TUE MAY 8 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWESTERN CALIFORNIA. .DAY ONE...TODAY AND TONIGHT. ELEVATED FIRE WEATHER HAZARD TODAY WITH LOW HUMIDITIES AND TEMPERATURES WAY ABOVE AVERAGE. .DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH TUESDAY. NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SKYWARN WEATHER SPOTTER ACTIVATION IS NOT REQUESTED FOR THIS AREA... HOWEVER WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. MOEDE
The national radar mosaic for the moment the first event began.
1 wildfire. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in California in 2007Every state in 2007This day in weather historyWarnings in California, May 2007
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 36215.