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Wildfire Notification Report

Date: 2026-04-21
Time: 16:56:17
Production Date and Time: 2026-04-21 17:01:12 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111656177_e20261111658550_c20261111659022.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111651177_e20261111653550_c20261111654034.nc
Number Of Thermal Anomaly Notifications: 9
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Kandiyohi County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 16:56:20UTC
Radiative Center (Lat, Lon): 45.031387°, -95.050003°
Nearby Counties (meeting notification criteria):
  • Kandiyohi County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power35.95 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)317.53 K
Observed - Background BT (3.9 um)5.59 K
BT Anomaly (3.9 um)3.50 K
Maximum Observed - Clear RTM BT (3.9 um)22.92 K
Maximum Observed BTD (3.9-10/11/12 um)18.46 K
Observed - Background BTD (3.9-10/11/12 um)5.99 K
BTD Anomaly (3.9-10/11/12 um)15.50 K
Similar Pixel Count19
BT Time Tendency (3.9 um)3.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power35.95 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.80°
Mean Solar Zenith Angle 37.80°
Mean Glint Angle93.40°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Cottonwood County, MN
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 16:56:20UTC
Radiative Center (Lat, Lon): 43.850834°, -95.176941°
Nearby Counties (meeting notification criteria):
  • Cottonwood County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power66.43 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)319.63 K
Observed - Background BT (3.9 um)5.47 K
BT Anomaly (3.9 um)5.23 K
Maximum Observed - Clear RTM BT (3.9 um)23.67 K
Maximum Observed BTD (3.9-10/11/12 um)17.38 K
Observed - Background BTD (3.9-10/11/12 um)5.67 K
BTD Anomaly (3.9-10/11/12 um)11.78 K
Similar Pixel Count15
BT Time Tendency (3.9 um)3.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.35
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power37.59 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.70°
Mean Solar Zenith Angle 36.90°
Mean Glint Angle91.40°
Water Fraction0.00
Total Pixel Area 13.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Sauk County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 16:56:21UTC
Radiative Center (Lat, Lon): 43.585835°, -89.892502°
Nearby Counties (meeting notification criteria):
  • Sauk County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power46.47 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.81 K
Observed - Background BT (3.9 um)10.69 K
BT Anomaly (3.9 um)9.31 K
Maximum Observed - Clear RTM BT (3.9 um)24.14 K
Maximum Observed BTD (3.9-10/11/12 um)19.63 K
Observed - Background BTD (3.9-10/11/12 um)9.88 K
BTD Anomaly (3.9-10/11/12 um)14.34 K
Similar Pixel Count0
BT Time Tendency (3.9 um)8.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.92
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power46.47 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.70°
Mean Solar Zenith Angle 34.70°
Mean Glint Angle87.20°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Mower County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 16:56:21UTC
Radiative Center (Lat, Lon): 43.506111°, -92.638611°
Nearby Counties (meeting notification criteria):
  • Mitchell County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power35.70 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)320.00 K
Observed - Background BT (3.9 um)6.38 K
BT Anomaly (3.9 um)6.46 K
Maximum Observed - Clear RTM BT (3.9 um)27.10 K
Maximum Observed BTD (3.9-10/11/12 um)18.29 K
Observed - Background BTD (3.9-10/11/12 um)5.35 K
BTD Anomaly (3.9-10/11/12 um)11.86 K
Similar Pixel Count0
BT Time Tendency (3.9 um)3.90 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 Power35.70 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.40°
Mean Solar Zenith Angle 35.60°
Mean Glint Angle88.90°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Howard County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 16:56:21UTC
Radiative Center (Lat, Lon): 43.340000°, -92.164444°
Nearby Counties (meeting notification criteria):
  • Howard County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.19 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.15 K
Observed - Background BT (3.9 um)2.58 K
BT Anomaly (3.9 um)1.53 K
Maximum Observed - Clear RTM BT (3.9 um)21.04 K
Maximum Observed BTD (3.9-10/11/12 um)14.59 K
Observed - Background BTD (3.9-10/11/12 um)2.43 K
BTD Anomaly (3.9-10/11/12 um)2.82 K
Similar Pixel Count25
BT Time Tendency (3.9 um)3.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.61
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.19 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.10°
Mean Solar Zenith Angle 35.30°
Mean Glint Angle88.20°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Hancock County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 16:56:21UTC
Radiative Center (Lat, Lon): 43.196945°, -93.762222°
Nearby Counties (meeting notification criteria):
  • Hancock County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power71.92 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)321.94 K
Observed - Background BT (3.9 um)5.18 K
BT Anomaly (3.9 um)4.35 K
Maximum Observed - Clear RTM BT (3.9 um)25.66 K
Maximum Observed BTD (3.9-10/11/12 um)18.39 K
Observed - Background BTD (3.9-10/11/12 um)5.88 K
BTD Anomaly (3.9-10/11/12 um)7.35 K
Similar Pixel Count7
BT Time Tendency (3.9 um)5.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.20
Fraction of Surrounding Red Channel Pixels that are Brighter0.91
Maximum Radiative Power38.98 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.50°
Mean Solar Zenith Angle 35.80°
Mean Glint Angle89.10°
Water Fraction0.00
Total Pixel Area 13.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NC
Country/Countries United States
County/Locality(s) Bladen County, NC
NWS WFO Wilmington NC
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 16:57:22UTC
Radiative Center (Lat, Lon): 34.771667°, -78.486664°
Nearby Counties (meeting notification criteria):
  • Bladen County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power3.96 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.54 K
Observed - Background BT (3.9 um)2.50 K
BT Anomaly (3.9 um)1.64 K
Maximum Observed - Clear RTM BT (3.9 um)15.53 K
Maximum Observed BTD (3.9-10/11/12 um)9.84 K
Observed - Background BTD (3.9-10/11/12 um)1.38 K
BTD Anomaly (3.9-10/11/12 um)2.25 K
Similar Pixel Count20
BT Time Tendency (3.9 um)0.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter0.80
Maximum Radiative Power3.96 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 40.70°
Mean Solar Zenith Angle 23.50°
Mean Glint Angle64.20°
Water Fraction0.00
Total Pixel Area 5.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Chihuahua
Country/Countries Mexico
County/Locality(s) Cuauhtémoc, Chihuahua
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 16:57:49UTC
Radiative Center (Lat, Lon): 28.769444°, -107.017776°
Nearby Counties (meeting notification criteria):
  • Cuauhtémoc (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power25.60 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)320.77 K
Observed - Background BT (3.9 um)5.69 K
BT Anomaly (3.9 um)3.41 K
Maximum Observed - Clear RTM BT (3.9 um)16.44 K
Maximum Observed BTD (3.9-10/11/12 um)15.99 K
Observed - Background BTD (3.9-10/11/12 um)4.87 K
BTD Anomaly (3.9-10/11/12 um)4.23 K
Similar Pixel Count22
BT Time Tendency (3.9 um)5.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.84
Fraction of Surrounding Red Channel Pixels that are Brighter0.88
Maximum Radiative Power25.60 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.60°
Mean Solar Zenith Angle 34.90°
Mean Glint Angle82.70°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) FL
Country/Countries United States
County/Locality(s) Manatee County, FL
NWS WFO Tampa Bay Ruskin FL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 16:57:52UTC
Radiative Center (Lat, Lon): 27.417223°, -82.276390°
Nearby Counties (meeting notification criteria):
  • Manatee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.19 MW
Map:
Additional Information
Notification Status New Feature
Type of EventRed Flag Warning (NWS)
Event Priority Ranking1
Maximum Observed BT (3.9 um)313.71 K
Observed - Background BT (3.9 um)3.73 K
BT Anomaly (3.9 um)2.75 K
Maximum Observed - Clear RTM BT (3.9 um)12.63 K
Maximum Observed BTD (3.9-10/11/12 um)13.18 K
Observed - Background BTD (3.9-10/11/12 um)2.69 K
BTD Anomaly (3.9-10/11/12 um)3.01 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.60 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 Power8.19 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 33.10°
Mean Solar Zenith Angle 17.50°
Mean Glint Angle50.40°
Water Fraction0.00
Total Pixel Area 4.80 km2
Latest Satellite Imagery:
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