Oak Fire Incident Resource Page

Fire

Page Last Updated: August 1, 2022

Information per CAL FIRE
Start Date: July 22, 2022
Initial Location: Hwy 140 and Carstens Rd, near Midpines in Mariposa County
Initial Latitude/Longitude: 37.5509366, -119.9234728

Latitude / Longitude Used: 37.5509366, -119.9234728 (Initial)

10 Miles Radius Zip Codes: 95345, 95338, 95318

10 Miles Radius Towns/Cities: Midpines, Mariposa, El Portal

20 Miles Radius Zip Codes: 95345, 95338, 95318, 95311, 93623, 93601, 95306, 95325

20 Miles Radius Towns/Cities: Midpines, Mariposa, El Portal, Coulterville, Fish Camp, Ahwahnee, Catheys Valley, Hornitos

Zip Code & Town/City information pulled from FreeMapTools – Find ZIP Codes Inside a Radius

Mile radius size reference points: 5 mile radius covers about 78 sq miles, 10 mile radius covers about 314 sq miles, 15 mile radius covers about 707 sq miles, 20 mile radius covers about 1,257 sq miles, 25 mile radius covers about 1,963 sq miles, 30 mile radius covers about 2,827 sq miles, and 50 mile radius covers about 7,854 sq miles.

Acreage size reference points: 1 football field = about 1.3 acres; 640 acres = 1 sq mile;
12,800 acres = 20 sq miles; 32,000 acres = 50 sq miles; 96,000 acres = 150 sq miles; 320,000 acres = 500 sq miles; 480,000 acres = 750 sq mile.

Note about size reference points – fires rarely burn in nice even circles, therefore these reference points are general guides and the shape of the fire perimeter must be taken into account (e.g. a fire burn area may be significantly less than the 1,257 sq miles covered by a 20 mile radius yet extend beyond the 20 mile radius because the burn area is long but narrow).

Fire Information

CAL FIRE Incident Page

Mariposa County Oak Fire Incident Page

Southern California Geographic Coordination Center News & Notes

MODIS & VIIRS Satellite Fire Activity Map
red dots = last 12 hours, orange dots = 12-24 hours, yellow dots = last 24-48 hours

NASA FIRMS Satellite Fire Activity Map (downloadable NASA FIRMS – KMZ and Shapefiles)

AlertWildfire Webcams – Some AlertWildfire Webcam rotate and may be pointing away from the fire. You can also navigate to any other AlertWildfire Webcam from the links below.

Mt. Bullion 1       Mt. Bullion 2       Yosemite West 1       Yosemite West 2

Additional resources via CRA Wildfire Quick Links Page

Additional County Information Links are towards the bottom with the social media feeds

Proclamations & Moratoriums
Demographics

Average Number of Persons per Household:
Mariposa County: 2.06          State average: 2.94

Mariposa County Percent of Persons:
Under 5 Years: 4.3%      Under 18 Years: 17.1%     Over 65 Years: 28.8%

Owner-occupied housing unit rate:
Mariposa County: 70.4%        State average: 55.3%

Data from US Census Bureau (2021 data)
Note – unless otherwise noted, these are county demographics and local conditions may differ some.

Power & Gas

Poweroutage.us Mariposa County Outage List – This site provides aggregates live power outage data, though may not include some of the smaller local utilities.

PG&E Outage Map

Roads

CalTrans Quick Map

CalTrans Check Current Highway Conditions

Caltrans District 10 Updates – covers the counties of Alpine, Amador, Calaveras, Mariposa, Merced, San Joaquin, Stanislaus, and Tuolumne (feed also viewable in social media section below)

CalTrans Truck Network Map for District 10

CalTrans CA Road System – Functional Classification

CalTrans Webcams – If CalTrans Webcam shows “Temporarily Unavailable” – This condition is caused by a problem communicating with the remote camera site to retrieve the picture (JPEG) image.

SR-140 : Mariposa       SR-140 : Midpines

Map of all CalTrans Webcams

Aviation

FAA No Fly Zones – provides a list of no fly / restricted flight areas

Flight Radar 24 – here you can see flight paths of aviation fire fighting resources including both planes and helicopters.

Air Quality & Smoke Links

Weather

Wind Map

Temperature Map

National Weather Service Watches, Warnings, and Advisories

Regional Fuel Conditions

Burning Index

Burning Index

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Burning Index is a measure of fire intensity. It combines the Spread Component (a rating of the forward rate of spread of a head fire) and Energy Release Component (estimated potential available energy released per unit area in the flaming zone of a fire) to relate to the contribution of fire behavior to the effort of containing a fire.

100-Hour Fuel Moisture

100 Hour Fuel Moisture

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100-Hour Fuel Moisture is computed from 24–hour average conditions composed of day length, hours of rain, and daily temperature/humidity ranges. It can also be used as a very rough estimate of the average moisture content of the forest floor from three-fourths inch to four inches below the surface.

County Links & Social Media Feeds

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