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Wildfire Alert Report

Date: 2025-05-31
Time: 18:21:18
Production Date and Time: 2025-05-31 18:26:04 UTC
Primary Instrument: GOES-18 ABI
Wmo Spacecraft Id: 665
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G18_s20251511821182_e20251511823555_c20251511824042.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G18_s20251511816182_e20251511818555_c20251511819032.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) Foster County, ND
NWS WFO Bismarck ND
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-05-31 18:21:25UTC
Radiative Center (Lat, Lon): 47.437500°, -98.562500°
Nearby Counties (meeting alert criteria):
  • Foster County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power47.64 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)310.45 K
Observed - Background BT (3.9 um)7.76 K
BT Anomaly (3.9 um)4.45 K
Maximum Observed - Clear RTM BT (3.9 um)13.20 K
Maximum Observed BTD (3.9-10/11/12 um)18.56 K
Observed - Background BTD (3.9-10/11/12 um)6.77 K
BTD Anomaly (3.9-10/11/12 um)5.97 K
Similar Pixel Count0
BT Time Tendency (3.9 um)4.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power47.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 66.40°
Mean Solar Zenith Angle 25.70°
Mean Glint Angle83.20°
Water Fraction0.00
Total Pixel Area 10.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NV
Country/Countries United States
County/Locality(s) Churchill County, NV
NWS WFO Reno NV
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-05-31 18:21:54UTC
Radiative Center (Lat, Lon): 39.536388°, -118.561386°
Nearby Counties (meeting alert criteria):
  • Churchill County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power51.35 MW
Map:
Additional Information
Alert Status New Feature
Type of EventElevated SPC Risk and Red Flag Warning (Detection is near: Solar panel (database + spectral))
Event Priority Ranking1
Maximum Observed BT (3.9 um)327.21 K
Observed - Background BT (3.9 um)6.31 K
BT Anomaly (3.9 um)4.13 K
Maximum Observed - Clear RTM BT (3.9 um)10.47 K
Maximum Observed BTD (3.9-10/11/12 um)18.27 K
Observed - Background BTD (3.9-10/11/12 um)7.00 K
BTD Anomaly (3.9-10/11/12 um)13.90 K
Similar Pixel Count6
BT Time Tendency (3.9 um)3.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.13
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power51.35 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.80°
Mean Solar Zenith Angle 26.10°
Mean Glint Angle58.00°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) San Luis Obispo County, CA
NWS WFO Los Angeles/Oxnard CA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-05-31 18:22:24UTC
Radiative Center (Lat, Lon): 35.366390°, -120.042221°
Nearby Counties (meeting alert criteria):
  • San Luis Obispo County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power121.79 MW
Map:
Additional Information
Alert Status New Feature
Type of EventSolar panel (database + spectral)
Event Priority Ranking5
Maximum Observed BT (3.9 um)333.67 K
Observed - Background BT (3.9 um)8.48 K
BT Anomaly (3.9 um)7.19 K
Maximum Observed - Clear RTM BT (3.9 um)19.59 K
Maximum Observed BTD (3.9-10/11/12 um)22.37 K
Observed - Background BTD (3.9-10/11/12 um)7.67 K
BTD Anomaly (3.9-10/11/12 um)9.10 K
Similar Pixel Count0
BT Time Tendency (3.9 um)4.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.94
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power65.36 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.10°
Mean Solar Zenith Angle 25.00°
Mean Glint Angle49.70°
Water Fraction0.00
Total Pixel Area 11.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Riverside County, CA
NWS WFO Phoenix AZ
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-05-31 18:22:25UTC
Radiative Center (Lat, Lon): 33.808056°, -115.404724°
Nearby Counties (meeting alert criteria):
  • Riverside County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power726.06 MW
Map:
Additional Information
Alert Status New Feature
Type of EventSolar panel (database + spectral)
Event Priority Ranking5
Maximum Observed BT (3.9 um)335.33 K
Observed - Background BT (3.9 um)18.69 K
BT Anomaly (3.9 um)8.47 K
Maximum Observed - Clear RTM BT (3.9 um)15.61 K
Maximum Observed BTD (3.9-10/11/12 um)34.90 K
Observed - Background BTD (3.9-10/11/12 um)19.39 K
BTD Anomaly (3.9-10/11/12 um)8.15 K
Similar Pixel Count0
BT Time Tendency (3.9 um)15.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.70
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power282.81 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.80°
Mean Solar Zenith Angle 20.90°
Mean Glint Angle47.60°
Water Fraction0.00
Total Pixel Area 17.20 km2
Latest Satellite Imagery:
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