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Wildfire Notification Report

Date: 2026-03-21
Time: 21:01:17
Production Date and Time: 2026-03-21 21:06:13 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20260802101178_e20260802103551_c20260802104013.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20260802056178_e20260802058551_c20260802059057.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) WA
Country/Countries United States
County/Locality(s) Columbia County, WA
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-03-21 21:01:23UTC
Radiative Center (Lat, Lon): 46.417778°, -118.188057°
Nearby Counties (meeting alert criteria):
  • Columbia County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.84 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.89 K
Observed - Background BT (3.9 um)2.34 K
BT Anomaly (3.9 um)1.92 K
Maximum Observed - Clear RTM BT (3.9 um)16.04 K
Maximum Observed BTD (3.9-10/11/12 um)11.04 K
Observed - Background BTD (3.9-10/11/12 um)2.45 K
BTD Anomaly (3.9-10/11/12 um)3.05 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.43
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.84 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.80°
Mean Solar Zenith Angle 48.50°
Mean Glint Angle105.20°
Water Fraction0.00
Total Pixel Area 7.30 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 (Cloud)
Mean Object Date/Time2026-03-21 21:01:53UTC
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 Power24.48 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.68 K
Observed - Background BT (3.9 um)7.02 K
BT Anomaly (3.9 um)4.53 K
Maximum Observed - Clear RTM BT (3.9 um)18.95 K
Maximum Observed BTD (3.9-10/11/12 um)15.02 K
Observed - Background BTD (3.9-10/11/12 um)6.04 K
BTD Anomaly (3.9-10/11/12 um)7.68 K
Similar Pixel Count0
BT Time Tendency (3.9 um)5.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power24.48 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.40°
Mean Solar Zenith Angle 41.00°
Mean Glint Angle89.30°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CO
Country/Countries United States
County/Locality(s) Weld County, CO
NWS WFO Denver CO
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-03-21 21:01:54UTC
Radiative Center (Lat, Lon): 40.154999°, -104.589996°
Nearby Counties (meeting alert criteria):
  • Weld County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power118.85 MW
Map:
Additional Information
Alert Status New Feature
Type of EventElevated Fire Risk (NWS/SPC) and Red Flag Warning (NWS)
Event Priority Ranking1
Maximum Observed BT (3.9 um)325.27 K
Observed - Background BT (3.9 um)9.38 K
BT Anomaly (3.9 um)12.02 K
Maximum Observed - Clear RTM BT (3.9 um)26.52 K
Maximum Observed BTD (3.9-10/11/12 um)20.15 K
Observed - Background BTD (3.9-10/11/12 um)9.29 K
BTD Anomaly (3.9-10/11/12 um)11.67 K
Similar Pixel Count0
BT Time Tendency (3.9 um)8.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.75
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power69.25 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.50°
Mean Solar Zenith Angle 48.20°
Mean Glint Angle105.60°
Water Fraction0.00
Total Pixel Area 14.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Lake County, CA
NWS WFO Eureka CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-03-21 21:01:53UTC
Radiative Center (Lat, Lon): 38.860279°, -122.836945°
Nearby Counties (meeting alert criteria):
  • Lake County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power38.23 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.00 K
Observed - Background BT (3.9 um)7.37 K
BT Anomaly (3.9 um)4.66 K
Maximum Observed - Clear RTM BT (3.9 um)23.78 K
Maximum Observed BTD (3.9-10/11/12 um)16.61 K
Observed - Background BTD (3.9-10/11/12 um)8.27 K
BTD Anomaly (3.9-10/11/12 um)13.36 K
Similar Pixel Count3
BT Time Tendency (3.9 um)6.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.28
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power38.23 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.60°
Mean Solar Zenith Angle 40.30°
Mean Glint Angle87.80°
Water Fraction0.00
Total Pixel Area 5.90 km2
Latest Satellite Imagery:
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