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).
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
Evacuation & Shelter Information
Proclamations & Moratoriums
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.
Jump to Section: Resource Links Air Quality Weather Fuel Conditions County Links & Social Media Feeds
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.
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 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
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.
Mail & Freight Shipping
Air Quality & Smoke Links
US Forest Service BlueSky Daily Runs – Smoke Modeling
US Forest Service BlueSky Daily Runs KMZ and Map Files
AirNow EnviroFlash Map (includes alert notification signup option)
National Weather Service Watches, Warnings, and Advisories
Regional Fuel Conditions
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 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
Jump to Section: Resource Links Infrastructure Links Air Quality Weather Fuel Conditions
Mariposa County Public Information Map / Evacuation Map
Mariposa County Oak Fire Incident Page
County Emergency Alert Program Sign-up
Returning After the Fire – includes important information on Debris Removal