Upper level high pressure over the Great Basin ushered in gusty Santa Ana winds, hot temperatures and single digit relative humidity. Many SoCal locations took the nation's high temperature between October 21-24. Although it was hot and dry October 21-22, winds were not very strong. The stronger winds occurred on October 24-25, where widespread wind gusts of 50-60 mph winds occurred in the mountains and passes, with isolated gusts of 70+ mph. The highest wind gust was 78 mph at Sill Hill in San Diego County. Five small fires started between October 24-25. The Miller Fire in Valley Center burned 70 acres in heavy vegetation.

High Wind in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 25-OCT-19 07:00:00 to 25-OCT-19 08:00:00 (PST-8)
Magnitude: 68.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Sill Hill recorded a peak wind gust of 68 knots around 0700 PST on 10/25.

High Wind in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 25-OCT-19 08:00:00 to 25-OCT-19 09:00:00 (PST-8)
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Alpine RAWS recorded a peak wind gust of 57 knots around 0800 PST on 10/25.

High Wind in SAN GORGONIO PASS NEAR BANNING, CALIFORNIA
From 25-OCT-19 08:00:00 to 25-OCT-19 09:00:00 (PST-8)
Magnitude: 67.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Highland Springs recorded a peak wind gust of 67 knots around 0800 PST on 10/25.

High Wind in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 25-OCT-19 02:00:00 to 25-OCT-19 03:00:00 (PST-8)
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Devil Canyon recorded a peak wind gust of 51 knots around 0200 PST on 10/25.

High Wind in SAN DIEGO COUNTY MOUNTAINS, CALIFORNIA
From 25-OCT-19 03:00:00 to 25-OCT-19 04:00:00 (PST-8)
Magnitude: 62.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hellhole Canyon recorded a peak wind gust of 62 knots around 0300 PST on 10/25.

High Wind in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 25-OCT-19 03:00:00 to 25-OCT-19 04:00:00 (PST-8)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Otay Mountain RAWS recorded a peak wind gust of 50 knots around 0300 PST on 10/25.

High Wind in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 25-OCT-19 03:00:00 to 25-OCT-19 04:00:00 (PST-8)
Magnitude: 59.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Deer Canyon recorded a peak wind gust of 59 knots around 0300 PST on 10/25.

High Wind in SAN BERNARDINO COUNTY MOUNTAINS, CALIFORNIA
From 24-OCT-19 22:00:00 to 24-OCT-19 23:00:00 (PST-8)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Crestline recorded a peak wind gust of 50 knots around 2200 PST on 10/24.

High Wind in RIVERSIDE COUNTY MOUNTAINS, CALIFORNIA
From 24-OCT-19 22:00:00 to 24-OCT-19 23:00:00 (PST-8)
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Mountain Center recorded a peak wind gust of 50 knots around 2200 PST on 10/24.

Excessive Heat in ORANGE COUNTY INLAND, CALIFORNIA
From 21-OCT-19 13:00:00 to 21-OCT-19 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hot temperatures resulted from Santa Ana winds on October 21st in inland Orange County. Anaheim reached 98, Fullerton reached 96 and Yorba Linda reached 97.

Excessive Heat in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 21-OCT-19 13:00:00 to 21-OCT-19 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hot temperatures resulted from Santa Ana winds on October 21st in the San Diego County valleys. Santee reached 96, El Cajon reached 93 and Ramona reached 94.

Excessive Heat in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 21-OCT-19 13:00:00 to 21-OCT-19 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hot temperatures resulted from Santa Ana winds on October 21st in the Inland Empire. Ontario reached 95, Chino reached 96 and San Bernardino reached 93.

Excessive Heat in ORANGE COUNTY INLAND, CALIFORNIA
From 22-OCT-19 13:00:00 to 22-OCT-19 19:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hot temperatures resulted from Santa Ana winds on October 22nd in inland Orange County. Anaheim reached 103, Fullerton reached 99 and John Wayne Airport reached 94. Anaheim was the hottest city in the nation on October 22nd.

Excessive Heat in SAN DIEGO COUNTY COASTAL AREAS, CALIFORNIA
From 22-OCT-19 11:00:00 to 22-OCT-19 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hot temperatures resulted from Santa Ana winds on October 22nd in coastal San Diego County. San Diego Airport reached 92, Brown Field reached 97 and National City reached 95.

Excessive Heat in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 22-OCT-19 11:00:00 to 22-OCT-19 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Hot temperatures resulted from Santa Ana winds on October 22nd in the San Diego County valleys. Santee reached 101, Poway reached 99, El Cajon reached 98 and Rancho Bernardo (NWS office) reached 96.

Excessive Heat in SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS - THE INLAND EMPIRE, CALIFORNIA
From 22-OCT-19 11:00:00 to 22-OCT-19 20:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Hot temperatures resulted from Santa Ana winds on October 22nd in the Inland Empire. Ontario reached 95, Chino reached 98 and San Bernardino reached 97.

Wildfire in SAN DIEGO COUNTY VALLEYS, CALIFORNIA
From 25-OCT-19 13:00:00 to 25-OCT-19 19:00:00 (PST-8)
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

The Miller wildfire erupted in Valley Center and burned 37 acres. The brush fire was in heavy fuel but response was rapid. 3 buildings were destroyed. Evacuations occurred on Cole Grade and Miller Lanes.