Wildfire Alert Report

Date: 2024-04-23
Time: 20:56:17
Production Date and Time: 2024-04-23 21:00:56 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20241142056179_e20241142058552_c20241142059048.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20241142051179_e20241142053552_c20241142054001.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Canada
County/Locality(s) Canada
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 20:56:24UTC
Radiative Center (Lat, Lon): 51.700°, -98.600°
Nearby Counties (meeting alert criteria):
  • Division No. 18 (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power22.86 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.50 K
Observed - Background BT (3.9 um)5.37 K
BT Anomaly (3.9 um)3.50 K
Maximum Observed - Clear RTM BT (3.9 um)17.24 K
Maximum Observed BTD (3.9-10/11/12 um)12.92 K
Observed - Background BTD (3.9-10/11/12 um)4.55 K
BTD Anomaly (3.9-10/11/12 um)7.83 K
Similar Pixel Count14
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.90
Fraction of Surrounding Red Channel Pixels that are Brighter0.89
Maximum Radiative Power22.86 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 69.60°
Mean Solar Zenith Angle 48.70°
Mean Glint Angle118.10°
Water Fraction0.00
Total Pixel Area 18.80 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries USA
County/Locality(s) Teton County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 20:56:23UTC
Radiative Center (Lat, Lon): 48.030°, -112.230°
Nearby Counties (meeting alert criteria):
  • Teton County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power24.48 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.90 K
Observed - Background BT (3.9 um)4.59 K
BT Anomaly (3.9 um)3.54 K
Maximum Observed - Clear RTM BT (3.9 um)21.70 K
Maximum Observed BTD (3.9-10/11/12 um)17.71 K
Observed - Background BTD (3.9-10/11/12 um)4.62 K
BTD Anomaly (3.9-10/11/12 um)3.19 K
Similar Pixel Count21
BT Time Tendency (3.9 um)3.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.46
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 60.50°
Mean Solar Zenith Angle 40.10°
Mean Glint Angle100.50°
Water Fraction0.00
Total Pixel Area 10.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries USA
County/Locality(s) Lewis and Clark County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 20:56:23UTC
Radiative Center (Lat, Lon): 46.880°, -112.660°
Nearby Counties (meeting alert criteria):
  • Lewis and Clark County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power32.29 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.32 K
Observed - Background BT (3.9 um)6.31 K
BT Anomaly (3.9 um)3.87 K
Maximum Observed - Clear RTM BT (3.9 um)20.36 K
Maximum Observed BTD (3.9-10/11/12 um)17.19 K
Observed - Background BTD (3.9-10/11/12 um)6.48 K
BTD Anomaly (3.9-10/11/12 um)4.05 K
Similar Pixel Count9
BT Time Tendency (3.9 um)3.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power32.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.30°
Mean Solar Zenith Angle 39.00°
Mean Glint Angle98.20°
Water Fraction0.00
Total Pixel Area 10.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries USA
County/Locality(s) Jefferson County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-04-23 20:56:23UTC
Radiative Center (Lat, Lon): 46.210°, -112.450°
Nearby Counties (meeting alert criteria):
  • Jefferson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power41.11 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)4.50 K
BT Anomaly (3.9 um)1.90 K
Maximum Observed - Clear RTM BT (3.9 um)18.10 K
Maximum Observed BTD (3.9-10/11/12 um)13.73 K
Observed - Background BTD (3.9-10/11/12 um)4.32 K
BTD Anomaly (3.9-10/11/12 um)2.54 K
Similar Pixel Count5
BT Time Tendency (3.9 um)1.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.77
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power23.57 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.80°
Mean Solar Zenith Angle 38.50°
Mean Glint Angle97.20°
Water Fraction0.00
Total Pixel Area 19.60 km2
Latest Satellite Imagery:
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