Wildfire Alert Report

Date: 2025-05-09
Time: 22:36:17
Production Date and Time: 2025-05-09 22:41:11 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20251292236173_e20251292238546_c20251292239043.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20251292231173_e20251292233546_c20251292234040.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Custer County, MT
NWS WFO Billings MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-05-09 22:36:20UTC
Radiative Center (Lat, Lon): 46.635834°, -105.534721°
Nearby Counties (meeting alert criteria):
  • Custer County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power32.86 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.83 K
Observed - Background BT (3.9 um)5.89 K
BT Anomaly (3.9 um)3.23 K
Maximum Observed - Clear RTM BT (3.9 um)11.07 K
Maximum Observed BTD (3.9-10/11/12 um)22.40 K
Observed - Background BTD (3.9-10/11/12 um)6.37 K
BTD Anomaly (3.9-10/11/12 um)4.43 K
Similar Pixel Count22
BT Time Tendency (3.9 um)4.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power32.86 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 61.60°
Mean Solar Zenith Angle 53.50°
Mean Glint Angle55.00°
Water Fraction0.00
Total Pixel Area 8.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Stevens County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-05-09 22:36:20UTC
Radiative Center (Lat, Lon): 45.565556°, -95.841667°
Nearby Counties (meeting alert criteria):
  • Stevens County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power53.79 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.19 K
Observed - Background BT (3.9 um)6.69 K
BT Anomaly (3.9 um)6.98 K
Maximum Observed - Clear RTM BT (3.9 um)16.76 K
Maximum Observed BTD (3.9-10/11/12 um)12.61 K
Observed - Background BTD (3.9-10/11/12 um)6.12 K
BTD Anomaly (3.9-10/11/12 um)8.63 K
Similar Pixel Count4
BT Time Tendency (3.9 um)5.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.83
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power32.07 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.60°
Mean Solar Zenith Angle 59.90°
Mean Glint Angle57.00°
Water Fraction0.00
Total Pixel Area 14.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Day County, SD
NWS WFO Aberdeen SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-05-09 22:36:20UTC
Radiative Center (Lat, Lon): 45.278610°, -97.631668°
Nearby Counties (meeting alert criteria):
  • Day County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power41.21 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.64 K
Observed - Background BT (3.9 um)4.43 K
BT Anomaly (3.9 um)3.25 K
Maximum Observed - Clear RTM BT (3.9 um)11.47 K
Maximum Observed BTD (3.9-10/11/12 um)11.31 K
Observed - Background BTD (3.9-10/11/12 um)4.90 K
BTD Anomaly (3.9-10/11/12 um)9.68 K
Similar Pixel Count3
BT Time Tendency (3.9 um)4.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.13
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power22.13 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.00°
Mean Solar Zenith Angle 58.60°
Mean Glint Angle55.80°
Water Fraction0.00
Total Pixel Area 14.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) San Bernardino County, CA
NWS WFO Las Vegas NV
Identification MethodEnhanced Contextual (Bias)
Mean Object Date/Time2025-05-09 22:37:18UTC
Radiative Center (Lat, Lon): 35.580555°, -115.452225°
Nearby Counties (meeting alert criteria):
  • San Bernardino County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power2078.42 MW
Map:
Additional Information
Alert Status New Feature
Type of EventSolar panel (database + spectral)
Event Priority Ranking5
Maximum Observed BT (3.9 um)369.83 K
Observed - Background BT (3.9 um)56.12 K
BT Anomaly (3.9 um)18.28 K
Maximum Observed - Clear RTM BT (3.9 um)61.75 K
Maximum Observed BTD (3.9-10/11/12 um)64.32 K
Observed - Background BTD (3.9-10/11/12 um)55.75 K
BTD Anomaly (3.9-10/11/12 um)50.73 K
Similar Pixel Count0
BT Time Tendency (3.9 um)49.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power986.43 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.40°
Mean Solar Zenith Angle 43.50°
Mean Glint Angle39.80°
Water Fraction0.00
Total Pixel Area 62.90 km2
Latest Satellite Imagery:
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