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: 2024-07-20
Time: 21:31:18
Production Date and Time: 2024-07-20 21:36:01 UTC
Primary Instrument: GOES-16 ABI
Wmo Spacecraft Id: 152
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G16_s20242022131183_e20242022133555_c20242022134052.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G16_s20242022126183_e20242022128556_c20242022129042.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) British Columbia
Country/Countries Canada
County/Locality(s) Canada
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2024-07-20 21:31:20UTC
Radiative Center (Lat, Lon): 53.490000°, -124.160000°
Nearby Counties (meeting alert criteria):
  • Bulkley-Nechako (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power23.34 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.01 K
Observed - Background BT (3.9 um)5.05 K
BT Anomaly (3.9 um)3.12 K
Maximum Observed - Clear RTM BT (3.9 um)7.80 K
Maximum Observed BTD (3.9-10/11/12 um)12.58 K
Observed - Background BTD (3.9-10/11/12 um)4.11 K
BTD Anomaly (3.9-10/11/12 um)2.85 K
Similar Pixel Count0
BT Time Tendency (3.9 um)-0.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.93
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power23.34 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 76.20°
Mean Solar Zenith Angle 35.20°
Mean Glint Angle82.40°
Water Fraction0.00
Total Pixel Area 75.50 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) Manitoba
Country/Countries Canada
County/Locality(s) Canada
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2024-07-20 21:31:22UTC
Radiative Center (Lat, Lon): 50.080000°, -96.220000°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power80.48 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.75 K
Observed - Background BT (3.9 um)9.35 K
BT Anomaly (3.9 um)4.09 K
Maximum Observed - Clear RTM BT (3.9 um)9.64 K
Maximum Observed BTD (3.9-10/11/12 um)28.60 K
Observed - Background BTD (3.9-10/11/12 um)10.86 K
BTD Anomaly (3.9-10/11/12 um)5.04 K
Similar Pixel Count0
BT Time Tendency (3.9 um)2.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.51
Fraction of Surrounding Red Channel Pixels that are Brighter0.60
Maximum Radiative Power80.48 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.10°
Mean Solar Zenith Angle 45.90°
Mean Glint Angle67.80°
Water Fraction0.00
Total Pixel Area 10.40 km2
Latest Satellite Imagery:
  • None Available
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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/Time2024-07-20 21:31:20UTC
Radiative Center (Lat, Lon): 46.700000°, -111.640000°
Nearby Counties (meeting alert criteria):
  • Lewis and Clark County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power34.46 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk, Known Incident: HORSE GULCH (HIGH, tdiff=0.1813 days, PERIMETER)
Event Priority Ranking4
Maximum Observed BT (3.9 um)317.77 K
Observed - Background BT (3.9 um)4.81 K
BT Anomaly (3.9 um)4.36 K
Maximum Observed - Clear RTM BT (3.9 um)14.67 K
Maximum Observed BTD (3.9-10/11/12 um)15.93 K
Observed - Background BTD (3.9-10/11/12 um)3.63 K
BTD Anomaly (3.9-10/11/12 um)6.59 K
Similar Pixel Count18
BT Time Tendency (3.9 um)0.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power34.46 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 64.80°
Mean Solar Zenith Angle 35.40°
Mean Glint Angle64.80°
Water Fraction0.00
Total Pixel Area 14.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Mexico
County/Locality(s) Mexico
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2024-07-20 21:32:50UTC
Radiative Center (Lat, Lon): 25.740000°, -103.460000°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power22.88 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)320.36 K
Observed - Background BT (3.9 um)4.97 K
BT Anomaly (3.9 um)2.33 K
Maximum Observed - Clear RTM BT (3.9 um)13.76 K
Maximum Observed BTD (3.9-10/11/12 um)23.69 K
Observed - Background BTD (3.9-10/11/12 um)4.17 K
BTD Anomaly (3.9-10/11/12 um)3.05 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.83
Fraction of Surrounding Red Channel Pixels that are Brighter0.57
Maximum Radiative Power22.88 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 43.70°
Mean Solar Zenith Angle 35.00°
Mean Glint Angle25.80°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
  • None Available
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