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Wildfire Notification Report

Date: 2026-03-19
Time: 21:21:17
Production Date and Time: 2026-03-19 21:26:10 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20260782121175_e20260782123548_c20260782124033.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20260782116175_e20260782118548_c20260782119018.nc
Number Of Thermal Anomaly Alerts: 3
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Lemhi County, ID
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-03-19 21:21:23UTC
Radiative Center (Lat, Lon): 45.506943°, -113.927780°
Nearby Counties (meeting alert criteria):
  • Lemhi County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power23.97 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.63 K
Observed - Background BT (3.9 um)3.61 K
BT Anomaly (3.9 um)1.78 K
Maximum Observed - Clear RTM BT (3.9 um)20.85 K
Maximum Observed BTD (3.9-10/11/12 um)16.11 K
Observed - Background BTD (3.9-10/11/12 um)3.80 K
BTD Anomaly (3.9-10/11/12 um)2.51 K
Similar Pixel Count8
BT Time Tendency (3.9 um)2.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.86
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power23.97 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.50°
Mean Solar Zenith Angle 51.30°
Mean Glint Angle108.80°
Water Fraction0.00
Total Pixel Area 7.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Mendocino County, CA
NWS WFO Eureka CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-03-19 21:21:53UTC
Radiative Center (Lat, Lon): 39.716110°, -123.193336°
Nearby Counties (meeting alert criteria):
  • Mendocino County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power6.01 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.82 K
Observed - Background BT (3.9 um)3.15 K
BT Anomaly (3.9 um)2.20 K
Maximum Observed - Clear RTM BT (3.9 um)14.30 K
Maximum Observed BTD (3.9-10/11/12 um)8.54 K
Observed - Background BTD (3.9-10/11/12 um)1.96 K
BTD Anomaly (3.9-10/11/12 um)3.08 K
Similar Pixel Count21
BT Time Tendency (3.9 um)2.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.90
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power6.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.40°
Mean Solar Zenith Angle 43.00°
Mean Glint Angle91.40°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) San Benito County, CA
NWS WFO San Francisco CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-03-19 21:21:53UTC
Radiative Center (Lat, Lon): 36.395557°, -120.889168°
Nearby Counties (meeting alert criteria):
  • San Benito County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.01 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.29 K
Observed - Background BT (3.9 um)2.05 K
BT Anomaly (3.9 um)1.66 K
Maximum Observed - Clear RTM BT (3.9 um)12.74 K
Maximum Observed BTD (3.9-10/11/12 um)10.63 K
Observed - Background BTD (3.9-10/11/12 um)1.96 K
BTD Anomaly (3.9-10/11/12 um)2.03 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.45
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.01 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.80°
Mean Solar Zenith Angle 40.80°
Mean Glint Angle86.50°
Water Fraction0.00
Total Pixel Area 5.70 km2
Latest Satellite Imagery:
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