Wildfire Alert Report

Date: 2025-04-25
Time: 19:26:18
Production Date and Time: 2025-04-25 19:31:08 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20251151926180_e20251151928553_c20251151929049.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20251151921180_e20251151923553_c20251151924050.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Walsh County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-25 19:26:25UTC
Radiative Center (Lat, Lon): 48.494446°, -98.197777°
Nearby Counties (meeting alert criteria):
  • Walsh County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power107.48 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: Old Aalalen WPA RX (HIGH, tdiff=0.22705 days, Point)
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.09 K
Observed - Background BT (3.9 um)5.58 K
BT Anomaly (3.9 um)6.11 K
Maximum Observed - Clear RTM BT (3.9 um)17.33 K
Maximum Observed BTD (3.9-10/11/12 um)16.80 K
Observed - Background BTD (3.9-10/11/12 um)5.98 K
BTD Anomaly (3.9-10/11/12 um)5.63 K
Similar Pixel Count8
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.36
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power66.19 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 67.30°
Mean Solar Zenith Angle 37.40°
Mean Glint Angle101.80°
Water Fraction0.00
Total Pixel Area 31.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Benson County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-25 19:26:25UTC
Radiative Center (Lat, Lon): 48.299446°, -99.315552°
Nearby Counties (meeting alert criteria):
  • Benson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power27.39 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.98 K
Observed - Background BT (3.9 um)3.29 K
BT Anomaly (3.9 um)3.03 K
Maximum Observed - Clear RTM BT (3.9 um)13.55 K
Maximum Observed BTD (3.9-10/11/12 um)14.25 K
Observed - Background BTD (3.9-10/11/12 um)3.91 K
BTD Anomaly (3.9-10/11/12 um)5.11 K
Similar Pixel Count20
BT Time Tendency (3.9 um)4.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.35
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power27.39 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 66.60°
Mean Solar Zenith Angle 37.00°
Mean Glint Angle100.60°
Water Fraction0.00
Total Pixel Area 10.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Missoula County, MT
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-25 19:26:24UTC
Radiative Center (Lat, Lon): 46.836113°, -114.122780°
Nearby Counties (meeting alert criteria):
  • Missoula County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power20.46 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: RX D3 Blue Mountain Unit 60 (HIGH, tdiff=0.21199 days, Point)
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.32 K
Observed - Background BT (3.9 um)5.43 K
BT Anomaly (3.9 um)3.01 K
Maximum Observed - Clear RTM BT (3.9 um)17.34 K
Maximum Observed BTD (3.9-10/11/12 um)12.14 K
Observed - Background BTD (3.9-10/11/12 um)4.91 K
BTD Anomaly (3.9-10/11/12 um)7.72 K
Similar Pixel Count13
BT Time Tendency (3.9 um)2.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.62
Fraction of Surrounding Red Channel Pixels that are Brighter0.52
Maximum Radiative Power20.46 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.70°
Mean Solar Zenith Angle 34.00°
Mean Glint Angle88.10°
Water Fraction0.00
Total Pixel Area 7.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Lewis and Clark County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-25 19:26:24UTC
Radiative Center (Lat, Lon): 46.796112°, -111.933891°
Nearby Counties (meeting alert criteria):
  • Lewis and Clark County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power30.61 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.38 K
Observed - Background BT (3.9 um)5.43 K
BT Anomaly (3.9 um)3.35 K
Maximum Observed - Clear RTM BT (3.9 um)20.03 K
Maximum Observed BTD (3.9-10/11/12 um)15.94 K
Observed - Background BTD (3.9-10/11/12 um)5.69 K
BTD Anomaly (3.9-10/11/12 um)9.30 K
Similar Pixel Count15
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.63
Fraction of Surrounding Red Channel Pixels that are Brighter0.90
Maximum Radiative Power30.61 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.50°
Mean Solar Zenith Angle 33.90°
Mean Glint Angle89.10°
Water Fraction0.00
Total Pixel Area 7.90 km2
Latest Satellite Imagery:
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