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Wildfire Notification Report

Date: 2026-04-21
Time: 23:41:17
Production Date and Time: 2026-04-21 23:46:18 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112341177_e20261112343551_c20261112344017.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112336177_e20261112338551_c20261112339009.nc
Number Of Thermal Anomaly Notifications: 11
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Polk County, WI
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:21UTC
Radiative Center (Lat, Lon): 45.639446°, -92.569168°
Nearby Counties (meeting notification criteria):
  • Polk County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power37.66 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.72 K
Observed - Background BT (3.9 um)6.20 K
BT Anomaly (3.9 um)8.70 K
Maximum Observed - Clear RTM BT (3.9 um)10.83 K
Maximum Observed BTD (3.9-10/11/12 um)8.59 K
Observed - Background BTD (3.9-10/11/12 um)6.33 K
BTD Anomaly (3.9-10/11/12 um)39.39 K
Similar Pixel Count2
BT Time Tendency (3.9 um)5.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.41
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power19.55 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.60°
Mean Solar Zenith Angle 77.00°
Mean Glint Angle60.50°
Water Fraction0.00
Total Pixel Area 14.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Martin County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:20UTC
Radiative Center (Lat, Lon): 43.503887°, -94.725281°
Nearby Counties (meeting notification criteria):
  • Martin County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power21.61 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.46 K
Observed - Background BT (3.9 um)6.32 K
BT Anomaly (3.9 um)9.72 K
Maximum Observed - Clear RTM BT (3.9 um)10.19 K
Maximum Observed BTD (3.9-10/11/12 um)9.61 K
Observed - Background BTD (3.9-10/11/12 um)5.65 K
BTD Anomaly (3.9-10/11/12 um)36.36 K
Similar Pixel Count1
BT Time Tendency (3.9 um)2.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.94
Fraction of Surrounding Red Channel Pixels that are Brighter0.03
Maximum Radiative Power21.61 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.20°
Mean Solar Zenith Angle 75.50°
Mean Glint Angle57.70°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Fayette County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:21UTC
Radiative Center (Lat, Lon): 43.000557°, -91.749443°
Nearby Counties (meeting notification criteria):
  • Fayette County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power44.02 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.95 K
Observed - Background BT (3.9 um)3.07 K
BT Anomaly (3.9 um)2.38 K
Maximum Observed - Clear RTM BT (3.9 um)7.59 K
Maximum Observed BTD (3.9-10/11/12 um)8.03 K
Observed - Background BTD (3.9-10/11/12 um)3.40 K
BTD Anomaly (3.9-10/11/12 um)2.68 K
Similar Pixel Count4
BT Time Tendency (3.9 um)1.40 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 Power11.65 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.60°
Mean Solar Zenith Angle 77.80°
Mean Glint Angle60.40°
Water Fraction0.00
Total Pixel Area 26.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Wright County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:51UTC
Radiative Center (Lat, Lon): 42.735279°, -93.930275°
Nearby Counties (meeting notification criteria):
  • Wright County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.26 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.31 K
Observed - Background BT (3.9 um)2.89 K
BT Anomaly (3.9 um)6.98 K
Maximum Observed - Clear RTM BT (3.9 um)7.30 K
Maximum Observed BTD (3.9-10/11/12 um)7.24 K
Observed - Background BTD (3.9-10/11/12 um)3.19 K
BTD Anomaly (3.9-10/11/12 um)18.53 K
Similar Pixel Count3
BT Time Tendency (3.9 um)1.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.25
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.26 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.10°
Mean Solar Zenith Angle 76.20°
Mean Glint Angle58.20°
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) Black Hawk County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:51UTC
Radiative Center (Lat, Lon): 42.606110°, -92.117226°
Nearby Counties (meeting notification criteria):
  • Black Hawk County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.31 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.91 K
Observed - Background BT (3.9 um)1.70 K
BT Anomaly (3.9 um)2.59 K
Maximum Observed - Clear RTM BT (3.9 um)6.61 K
Maximum Observed BTD (3.9-10/11/12 um)6.65 K
Observed - Background BTD (3.9-10/11/12 um)1.68 K
BTD Anomaly (3.9-10/11/12 um)3.37 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power5.31 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.40°
Mean Solar Zenith Angle 77.50°
Mean Glint Angle59.90°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Calhoun County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:50UTC
Radiative Center (Lat, Lon): 42.441666°, -94.547226°
Nearby Counties (meeting notification criteria):
  • Calhoun County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power19.26 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.15 K
Observed - Background BT (3.9 um)2.95 K
BT Anomaly (3.9 um)20.81 K
Maximum Observed - Clear RTM BT (3.9 um)6.83 K
Maximum Observed BTD (3.9-10/11/12 um)6.97 K
Observed - Background BTD (3.9-10/11/12 um)2.79 K
BTD Anomaly (3.9-10/11/12 um)18.45 K
Similar Pixel Count5
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.63
Fraction of Surrounding Red Channel Pixels that are Brighter0.54
Maximum Radiative Power10.36 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.10°
Mean Solar Zenith Angle 75.70°
Mean Glint Angle57.40°
Water Fraction0.00
Total Pixel Area 13.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Tama County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:51UTC
Radiative Center (Lat, Lon): 41.982498°, -92.406944°
Nearby Counties (meeting notification criteria):
  • Tama County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power27.76 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)301.85 K
Observed - Background BT (3.9 um)7.85 K
BT Anomaly (3.9 um)15.98 K
Maximum Observed - Clear RTM BT (3.9 um)12.17 K
Maximum Observed BTD (3.9-10/11/12 um)12.79 K
Observed - Background BTD (3.9-10/11/12 um)8.27 K
BTD Anomaly (3.9-10/11/12 um)25.73 K
Similar Pixel Count2
BT Time Tendency (3.9 um)5.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.06
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power27.76 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.80°
Mean Solar Zenith Angle 77.30°
Mean Glint Angle59.40°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Cass County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:50UTC
Radiative Center (Lat, Lon): 41.285831°, -94.895554°
Nearby Counties (meeting notification criteria):
  • Cass County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.83 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.64 K
Observed - Background BT (3.9 um)4.20 K
BT Anomaly (3.9 um)6.54 K
Maximum Observed - Clear RTM BT (3.9 um)8.44 K
Maximum Observed BTD (3.9-10/11/12 um)8.83 K
Observed - Background BTD (3.9-10/11/12 um)4.12 K
BTD Anomaly (3.9-10/11/12 um)11.63 K
Similar Pixel Count2
BT Time Tendency (3.9 um)2.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.51
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.83 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.10°
Mean Solar Zenith Angle 75.50°
Mean Glint Angle56.60°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Clarke County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:41:50UTC
Radiative Center (Lat, Lon): 41.023056°, -93.958336°
Nearby Counties (meeting notification criteria):
  • Clarke County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.13 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)2.35 K
BT Anomaly (3.9 um)10.51 K
Maximum Observed - Clear RTM BT (3.9 um)5.98 K
Maximum Observed BTD (3.9-10/11/12 um)7.07 K
Observed - Background BTD (3.9-10/11/12 um)2.44 K
BTD Anomaly (3.9-10/11/12 um)5.55 K
Similar Pixel Count11
BT Time Tendency (3.9 um)1.70 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 Power16.13 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.50°
Mean Solar Zenith Angle 76.20°
Mean Glint Angle57.50°
Water Fraction0.00
Total Pixel Area 12.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) AR
Country/Countries United States
County/Locality(s) Franklin County, AR
NWS WFO Tulsa OK
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:42:20UTC
Radiative Center (Lat, Lon): 35.531387°, -93.849998°
Nearby Counties (meeting notification criteria):
  • Franklin County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.10 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.70 K
Observed - Background BT (3.9 um)3.56 K
BT Anomaly (3.9 um)4.46 K
Maximum Observed - Clear RTM BT (3.9 um)6.44 K
Maximum Observed BTD (3.9-10/11/12 um)7.07 K
Observed - Background BTD (3.9-10/11/12 um)3.18 K
BTD Anomaly (3.9-10/11/12 um)5.71 K
Similar Pixel Count6
BT Time Tendency (3.9 um)0.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.78
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power7.10 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 46.00°
Mean Solar Zenith Angle 76.70°
Mean Glint Angle55.90°
Water Fraction0.00
Total Pixel Area 5.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TX
Country/Countries United States
County/Locality(s) Howard County, TX
NWS WFO Midland/Odessa TX
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 23:42:19UTC
Radiative Center (Lat, Lon): 32.373333°, -101.578331°
Nearby Counties (meeting notification criteria):
  • Howard County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.11 MW
Map:
Additional Information
Notification Status New Feature
Type of EventVIIRS Static Sources
Event Priority Ranking5
Maximum Observed BT (3.9 um)300.44 K
Observed - Background BT (3.9 um)3.27 K
BT Anomaly (3.9 um)2.44 K
Maximum Observed - Clear RTM BT (3.9 um)9.63 K
Maximum Observed BTD (3.9-10/11/12 um)8.85 K
Observed - Background BTD (3.9-10/11/12 um)2.97 K
BTD Anomaly (3.9-10/11/12 um)3.82 K
Similar Pixel Count17
BT Time Tendency (3.9 um)0.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.58
Fraction of Surrounding Red Channel Pixels that are Brighter0.93
Maximum Radiative Power9.11 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.40°
Mean Solar Zenith Angle 70.50°
Mean Glint Angle44.70°
Water Fraction0.00
Total Pixel Area 5.90 km2
Latest Satellite Imagery:
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