Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice. Bitterly cold air in Madison Jan 22-24 increases risk of outages.

Wildfire Alert Report

Date: 2025-12-04
Time: 00:46:18
Production Date and Time: 2025-12-04 00:51:13 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20253380046185_e20253380048558_c20253380049050.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20253380041185_e20253380043558_c20253380044042.nc
Number Of Thermal Anomaly Alerts: 4
More details ▼ Hide details ▲

Possible Wildfire

Basic Information
State/Province(s) British Columbia
Country/Countries Canada
County/Locality(s) Okanagan-Similkameen, British Columbia
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-12-04 00:46:24UTC
Radiative Center (Lat, Lon): 49.316387°, -120.425278°
Nearby Counties (meeting alert criteria):
  • Okanagan-Similkameen (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power21.75 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)270.82 K
Observed - Background BT (3.9 um)14.39 K
BT Anomaly (3.9 um)10.65 K
Maximum Observed - Clear RTM BT (3.9 um)0.87 K
Maximum Observed BTD (3.9-10/11/12 um)14.21 K
Observed - Background BTD (3.9-10/11/12 um)10.53 K
BTD Anomaly (3.9-10/11/12 um)16.02 K
Similar Pixel Count2
BT Time Tendency (3.9 um)8.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.74 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.10°
Mean Solar Zenith Angle 96.60°
Mean Glint Angle133.70°
Water Fraction0.00
Total Pixel Area 15.60 km2
Latest Satellite Imagery:
  • None Available
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Union County, OR
NWS WFO Pendleton OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-12-04 00:46:24UTC
Radiative Center (Lat, Lon): 45.238609°, -118.303612°
Nearby Counties (meeting alert criteria):
  • Union County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.97 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)270.82 K
Observed - Background BT (3.9 um)3.59 K
BT Anomaly (3.9 um)3.08 K
Maximum Observed - Clear RTM BT (3.9 um)3.11 K
Maximum Observed BTD (3.9-10/11/12 um)8.49 K
Observed - Background BTD (3.9-10/11/12 um)6.85 K
BTD Anomaly (3.9-10/11/12 um)9.58 K
Similar Pixel Count1
BT Time Tendency (3.9 um)2.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.40
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.97 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.60°
Mean Solar Zenith Angle 96.10°
Mean Glint Angle134.10°
Water Fraction0.00
Total Pixel Area 14.20 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) OR
Country/Countries United States
County/Locality(s) Lake County, OR
NWS WFO Medford OR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-12-04 00:46:54UTC
Radiative Center (Lat, Lon): 42.298332°, -120.666389°
Nearby Counties (meeting alert criteria):
  • Lake County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.85 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)274.95 K
Observed - Background BT (3.9 um)8.54 K
BT Anomaly (3.9 um)9.97 K
Maximum Observed - Clear RTM BT (3.9 um)6.64 K
Maximum Observed BTD (3.9-10/11/12 um)11.31 K
Observed - Background BTD (3.9-10/11/12 um)8.50 K
BTD Anomaly (3.9-10/11/12 um)13.87 K
Similar Pixel Count1
BT Time Tendency (3.9 um)2.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.76
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.85 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.90°
Mean Solar Zenith Angle 93.30°
Mean Glint Angle129.90°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) CO
Country/Countries United States
County/Locality(s) Gunnison County, CO
NWS WFO Grand Junction CO
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-12-04 00:46:55UTC
Radiative Center (Lat, Lon): 38.250832°, -107.382225°
Nearby Counties (meeting alert criteria):
  • Gunnison County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power15.70 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)269.79 K
Observed - Background BT (3.9 um)15.80 K
BT Anomaly (3.9 um)12.67 K
Maximum Observed - Clear RTM BT (3.9 um)9.60 K
Maximum Observed BTD (3.9-10/11/12 um)18.02 K
Observed - Background BTD (3.9-10/11/12 um)15.80 K
BTD Anomaly (3.9-10/11/12 um)20.93 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.61
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power15.70 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.30°
Mean Solar Zenith Angle 101.00°
Mean Glint Angle144.60°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
Show More ▲ Show Less ▼ View all event imagery »