July 2026: The UW campus has an ongoing chilled water disruption that will limit SSEC datacenter cooling and could lead to data outages with no warning. Please consider accessing NGFS detections and satellite imagery through the NOAA/NESDIS Wildland Fire Data Portal: https://fire.data.nesdis.noaa.gov/map/

Wildfire Notification Report

Date: 2026-04-21
Time: 20:01:17
Production Date and Time: 2026-04-21 20:06:12 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112001177_e20261112003550_c20261112004010.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111956177_e20261111958550_c20261111959027.nc
Number Of Thermal Anomaly Notifications: 7
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Possible Wildfire

Basic Information
State/Province(s) Ontario
Country/Countries Canada
County/Locality(s) Cochrane, Ontario
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:01:22UTC
Radiative Center (Lat, Lon): 49.499443°, -80.059448°
Nearby Counties (meeting notification criteria):
  • Cochrane (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.08 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)281.46 K
Observed - Background BT (3.9 um)2.23 K
BT Anomaly (3.9 um)2.26 K
Maximum Observed - Clear RTM BT (3.9 um)8.43 K
Maximum Observed BTD (3.9-10/11/12 um)5.18 K
Observed - Background BTD (3.9-10/11/12 um)2.08 K
BTD Anomaly (3.9-10/11/12 um)7.72 K
Similar Pixel Count6
BT Time Tendency (3.9 um)0.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.62
Fraction of Surrounding Red Channel Pixels that are Brighter0.92
Maximum Radiative Power4.08 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.30°
Mean Solar Zenith Angle 50.60°
Mean Glint Angle87.80°
Water Fraction0.00
Total Pixel Area 7.40 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Benewah County, ID
NWS WFO Spokane WA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:01:19UTC
Radiative Center (Lat, Lon): 47.158611°, -117.033890°
Nearby Counties (meeting notification criteria):
  • Benewah County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.03 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.78 K
Observed - Background BT (3.9 um)4.91 K
BT Anomaly (3.9 um)1.53 K
Maximum Observed - Clear RTM BT (3.9 um)13.46 K
Maximum Observed BTD (3.9-10/11/12 um)16.08 K
Observed - Background BTD (3.9-10/11/12 um)4.63 K
BTD Anomaly (3.9-10/11/12 um)1.63 K
Similar Pixel Count20
BT Time Tendency (3.9 um)1.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.82
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power18.03 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 68.10°
Mean Solar Zenith Angle 35.70°
Mean Glint Angle89.70°
Water Fraction0.00
Total Pixel Area 10.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Big Stone County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 20:01:20UTC
Radiative Center (Lat, Lon): 45.245834°, -96.296669°
Nearby Counties (meeting notification criteria):
  • Big Stone County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power98.43 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)319.70 K
Observed - Background BT (3.9 um)15.31 K
BT Anomaly (3.9 um)8.42 K
Maximum Observed - Clear RTM BT (3.9 um)23.87 K
Maximum Observed BTD (3.9-10/11/12 um)25.05 K
Observed - Background BTD (3.9-10/11/12 um)15.52 K
BTD Anomaly (3.9-10/11/12 um)20.40 K
Similar Pixel Count0
BT Time Tendency (3.9 um)11.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.09
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power98.43 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.50°
Mean Solar Zenith Angle 39.60°
Mean Glint Angle76.90°
Water Fraction0.00
Total Pixel Area 7.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Waseca County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 20:01:21UTC
Radiative Center (Lat, Lon): 44.090832°, -93.752777°
Nearby Counties (meeting notification criteria):
  • Waseca County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power64.88 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)321.90 K
Observed - Background BT (3.9 um)9.42 K
BT Anomaly (3.9 um)6.24 K
Maximum Observed - Clear RTM BT (3.9 um)27.16 K
Maximum Observed BTD (3.9-10/11/12 um)20.51 K
Observed - Background BTD (3.9-10/11/12 um)9.80 K
BTD Anomaly (3.9-10/11/12 um)28.16 K
Similar Pixel Count0
BT Time Tendency (3.9 um)7.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power64.88 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.40°
Mean Solar Zenith Angle 39.90°
Mean Glint Angle74.70°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Winneshiek County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:01:21UTC
Radiative Center (Lat, Lon): 43.328609°, -91.855278°
Nearby Counties (meeting notification criteria):
  • Winneshiek County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power137.04 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.84 K
Observed - Background BT (3.9 um)8.34 K
BT Anomaly (3.9 um)5.73 K
Maximum Observed - Clear RTM BT (3.9 um)21.81 K
Maximum Observed BTD (3.9-10/11/12 um)19.57 K
Observed - Background BTD (3.9-10/11/12 um)8.74 K
BTD Anomaly (3.9-10/11/12 um)5.81 K
Similar Pixel Count6
BT Time Tendency (3.9 um)6.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.37
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power46.51 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.00°
Mean Solar Zenith Angle 40.40°
Mean Glint Angle73.50°
Water Fraction0.00
Total Pixel Area 26.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Jones County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:01:51UTC
Radiative Center (Lat, Lon): 42.044724°, -90.939163°
Nearby Counties (meeting notification criteria):
  • Jones County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power15.57 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.57 K
Observed - Background BT (3.9 um)2.82 K
BT Anomaly (3.9 um)1.49 K
Maximum Observed - Clear RTM BT (3.9 um)11.71 K
Maximum Observed BTD (3.9-10/11/12 um)18.79 K
Observed - Background BTD (3.9-10/11/12 um)2.61 K
BTD Anomaly (3.9-10/11/12 um)1.33 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.76
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power15.57 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.40°
Mean Solar Zenith Angle 40.00°
Mean Glint Angle71.20°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) FL
Country/Countries United States
County/Locality(s) Putnam County, FL
NWS WFO Jacksonville FL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:02:52UTC
Radiative Center (Lat, Lon): 29.609444°, -81.940834°
Nearby Counties (meeting notification criteria):
  • Putnam County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.88 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC) and Red Flag Warning (NWS), Known Incident: PACE CT (54) (HIGH, tdiff=0
Event Priority Ranking1
Maximum Observed BT (3.9 um)309.93 K
Observed - Background BT (3.9 um)4.97 K
BT Anomaly (3.9 um)3.76 K
Maximum Observed - Clear RTM BT (3.9 um)13.40 K
Maximum Observed BTD (3.9-10/11/12 um)10.10 K
Observed - Background BTD (3.9-10/11/12 um)3.92 K
BTD Anomaly (3.9-10/11/12 um)6.39 K
Similar Pixel Count5
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.89
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.88 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 35.50°
Mean Solar Zenith Angle 40.20°
Mean Glint Angle53.90°
Water Fraction0.00
Total Pixel Area 4.90 km2
Latest Satellite Imagery:
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