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Wildfire Notification Report

Date: 2026-04-28
Time: 22:41:17
Production Date and Time: 2026-04-28 22:46:07 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261182241171_e20261182243544_c20261182244007.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261182236171_e20261182238544_c20261182239026.nc
Number Of Thermal Anomaly Notifications: 5
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Sierra County, CA
NWS WFO Sacramento CA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-28 22:41:48UTC
Radiative Center (Lat, Lon): 39.754166°, -120.906944°
Nearby Counties (meeting notification criteria):
  • Sierra County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power159.45 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)290.97 K
Observed - Background BT (3.9 um)17.31 K
BT Anomaly (3.9 um)4.20 K
Maximum Observed - Clear RTM BT (3.9 um)11.80 K
Maximum Observed BTD (3.9-10/11/12 um)30.12 K
Observed - Background BTD (3.9-10/11/12 um)17.27 K
BTD Anomaly (3.9-10/11/12 um)4.93 K
Similar Pixel Count0
BT Time Tendency (3.9 um)7.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.69
Fraction of Surrounding Red Channel Pixels that are Brighter0.74
Maximum Radiative Power159.45 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.90°
Mean Solar Zenith Angle 43.60°
Mean Glint Angle50.20°
Water Fraction0.00
Total Pixel Area 9.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) VA
Country/Countries United States
County/Locality(s) Russell County, VA
NWS WFO Morristown TN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-28 22:41:52UTC
Radiative Center (Lat, Lon): 36.933334°, -81.943611°
Nearby Counties (meeting notification criteria):
  • Russell County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.79 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.37 K
Observed - Background BT (3.9 um)6.12 K
BT Anomaly (3.9 um)5.04 K
Maximum Observed - Clear RTM BT (3.9 um)9.51 K
Maximum Observed BTD (3.9-10/11/12 um)13.34 K
Observed - Background BTD (3.9-10/11/12 um)6.49 K
BTD Anomaly (3.9-10/11/12 um)4.85 K
Similar Pixel Count4
BT Time Tendency (3.9 um)4.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.32
Fraction of Surrounding Red Channel Pixels that are Brighter0.69
Maximum Radiative Power13.79 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 43.60°
Mean Solar Zenith Angle 73.10°
Mean Glint Angle66.90°
Water Fraction0.00
Total Pixel Area 5.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) VA
Country/Countries United States
County/Locality(s) Grayson County, VA
NWS WFO Blacksburg VA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-28 22:41:52UTC
Radiative Center (Lat, Lon): 36.691387°, -81.046944°
Nearby Counties (meeting notification criteria):
  • Grayson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.82 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)297.33 K
Observed - Background BT (3.9 um)6.93 K
BT Anomaly (3.9 um)8.20 K
Maximum Observed - Clear RTM BT (3.9 um)12.03 K
Maximum Observed BTD (3.9-10/11/12 um)9.77 K
Observed - Background BTD (3.9-10/11/12 um)6.05 K
BTD Anomaly (3.9-10/11/12 um)6.30 K
Similar Pixel Count2
BT Time Tendency (3.9 um)0.90 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 Power16.82 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 43.20°
Mean Solar Zenith Angle 73.80°
Mean Glint Angle67.90°
Water Fraction0.00
Total Pixel Area 5.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NV
Country/Countries United States
County/Locality(s) Clark County, NV
NWS WFO Las Vegas NV
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-28 22:42:18UTC
Radiative Center (Lat, Lon): 35.779724°, -114.991943°
Nearby Counties (meeting notification criteria):
  • Clark County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power1069.64 MW
Map:
Additional Information
Notification Status New Feature
Type of EventSolar panel (database + spectral)
Event Priority Ranking5
Maximum Observed BT (3.9 um)360.96 K
Observed - Background BT (3.9 um)50.14 K
BT Anomaly (3.9 um)19.69 K
Maximum Observed - Clear RTM BT (3.9 um)58.89 K
Maximum Observed BTD (3.9-10/11/12 um)57.23 K
Observed - Background BTD (3.9-10/11/12 um)48.50 K
BTD Anomaly (3.9-10/11/12 um)40.83 K
Similar Pixel Count0
BT Time Tendency (3.9 um)44.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.90
Fraction of Surrounding Red Channel Pixels that are Brighter0.00
Maximum Radiative Power686.35 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.20°
Mean Solar Zenith Angle 46.60°
Mean Glint Angle41.90°
Water Fraction0.00
Total Pixel Area 23.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) San Diego County, CA
NWS WFO San Diego CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-28 22:42:18UTC
Radiative Center (Lat, Lon): 33.308334°, -117.414444°
Nearby Counties (meeting notification criteria):
  • San Diego County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.91 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.15 K
Observed - Background BT (3.9 um)3.05 K
BT Anomaly (3.9 um)1.75 K
Maximum Observed - Clear RTM BT (3.9 um)5.62 K
Maximum Observed BTD (3.9-10/11/12 um)10.26 K
Observed - Background BTD (3.9-10/11/12 um)4.10 K
BTD Anomaly (3.9-10/11/12 um)3.61 K
Similar Pixel Count11
BT Time Tendency (3.9 um)4.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.39
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power17.91 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 59.60°
Mean Solar Zenith Angle 44.00°
Mean Glint Angle39.20°
Water Fraction0.00
Total Pixel Area 7.90 km2
Latest Satellite Imagery:
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