Wildfire Alert Report

Date: 2025-07-04
Time: 22:20:23
Production Date and Time: 2025-07-04 22:32:04 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadF-M6C14_G18_s20251852220233_e20251852229541_c20251852230006.nc
L1 File(s) - TemporalOR_ABI-L1b-RadF-M6C14_G18_s20251852210233_e20251852219541_c20251852219599.nc
Number Of Thermal Anomaly Alerts: 2
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Possible Wildfire

Basic Information
State/Province(s) AK
Country/Countries United States
County/Locality(s) Yukon-Koyukuk Census Area, AK
NWS WFO Unknown
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-07-04 22:20:26UTC
Radiative Center (Lat, Lon): 66.606667°, -154.608887°
Nearby Counties (meeting alert criteria):
  • Yukon-Koyukuk Census Area (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power83.75 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.42 K
Observed - Background BT (3.9 um)5.99 K
BT Anomaly (3.9 um)6.59 K
Maximum Observed - Clear RTM BT (3.9 um)9.12 K
Maximum Observed BTD (3.9-10/11/12 um)17.17 K
Observed - Background BTD (3.9-10/11/12 um)6.18 K
BTD Anomaly (3.9-10/11/12 um)4.07 K
Similar Pixel Count7
BT Time Tendency (3.9 um)1.50 K
Image Interval10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.31
Fraction of Surrounding Red Channel Pixels that are Brighter0.55
Maximum Radiative Power53.45 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 76.90°
Mean Solar Zenith Angle 43.50°
Mean Glint Angle118.20°
Water Fraction0.00
Total Pixel Area 35.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) AK
Country/Countries United States
County/Locality(s) Southeast Fairbanks Census Area, AK
NWS WFO Unknown
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-07-04 22:20:26UTC
Radiative Center (Lat, Lon): 63.888332°, -144.434998°
Nearby Counties (meeting alert criteria):
  • Southeast Fairbanks Census Area (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power285.04 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk and Red Flag Warning, Known Incident: Twelvemile Lake (HIGH, tdiff=0.68722 days, Perime
Event Priority Ranking1
Maximum Observed BT (3.9 um)306.19 K
Observed - Background BT (3.9 um)13.92 K
BT Anomaly (3.9 um)10.65 K
Maximum Observed - Clear RTM BT (3.9 um)13.65 K
Maximum Observed BTD (3.9-10/11/12 um)26.76 K
Observed - Background BTD (3.9-10/11/12 um)13.55 K
BTD Anomaly (3.9-10/11/12 um)9.52 K
Similar Pixel Count0
BT Time Tendency (3.9 um)4.60 K
Image Interval10.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power152.76 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 73.00°
Mean Solar Zenith Angle 41.40°
Mean Glint Angle111.60°
Water Fraction0.00
Total Pixel Area 27.40 km2
Latest Satellite Imagery:
Show More Show Less View all event imagery »