Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice. Bitterly cold air in Madison Jan 22-24 increases risk of outages.

Wildfire Alert Report

Date: 2025-04-09
Time: 21:09:55
Production Date and Time: 2025-04-09 21:10:40 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM2-M6C14_G19_s20250992109554_e20250992110013_c20250992110069.nc
L1 File(s) - TemporalOR_ABI-L1b-RadM2-M6C14_G19_s20250992108554_e20250992109012_c20250992109056.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Houston County, MN
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-04-09 21:09:56UTC
Radiative Center (Lat, Lon): 43.560001°, -91.708336°
Nearby Counties (meeting alert criteria):
  • Houston County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power87.53 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.99 K
Observed - Background BT (3.9 um)22.19 K
BT Anomaly (3.9 um)18.76 K
Maximum Observed - Clear RTM BT (3.9 um)30.29 K
Maximum Observed BTD (3.9-10/11/12 um)38.70 K
Observed - Background BTD (3.9-10/11/12 um)22.49 K
BTD Anomaly (3.9-10/11/12 um)16.01 K
Similar Pixel Count0
BT Time Tendency (3.9 um)20.40 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.19
Fraction of Surrounding Red Channel Pixels that are Brighter0.23
Maximum Radiative Power87.53 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.20°
Mean Solar Zenith Angle 53.70°
Mean Glint Angle73.10°
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) Mahaska County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-04-09 21:09:56UTC
Radiative Center (Lat, Lon): 41.367222°, -92.642220°
Nearby Counties (meeting alert criteria):
  • Mahaska County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power134.84 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.78 K
Observed - Background BT (3.9 um)18.97 K
BT Anomaly (3.9 um)7.92 K
Maximum Observed - Clear RTM BT (3.9 um)13.87 K
Maximum Observed BTD (3.9-10/11/12 um)32.67 K
Observed - Background BTD (3.9-10/11/12 um)18.28 K
BTD Anomaly (3.9-10/11/12 um)9.36 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.50 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.77
Fraction of Surrounding Red Channel Pixels that are Brighter0.81
Maximum Radiative Power134.84 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.30°
Mean Solar Zenith Angle 52.10°
Mean Glint Angle69.30°
Water Fraction0.00
Total Pixel Area 12.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Lucas County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-09 21:09:56UTC
Radiative Center (Lat, Lon): 41.118332°, -93.504448°
Nearby Counties (meeting alert criteria):
  • Lucas County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.86 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.92 K
Observed - Background BT (3.9 um)3.57 K
BT Anomaly (3.9 um)2.50 K
Maximum Observed - Clear RTM BT (3.9 um)14.69 K
Maximum Observed BTD (3.9-10/11/12 um)11.82 K
Observed - Background BTD (3.9-10/11/12 um)2.66 K
BTD Anomaly (3.9-10/11/12 um)1.97 K
Similar Pixel Count24
BT Time Tendency (3.9 um)1.20 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.94
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.86 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.40°
Mean Solar Zenith Angle 51.40°
Mean Glint Angle68.50°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Decatur County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-09 21:09:56UTC
Radiative Center (Lat, Lon): 40.788612°, -93.663055°
Nearby Counties (meeting alert criteria):
  • Decatur County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.38 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.72 K
Observed - Background BT (3.9 um)3.06 K
BT Anomaly (3.9 um)2.79 K
Maximum Observed - Clear RTM BT (3.9 um)14.54 K
Maximum Observed BTD (3.9-10/11/12 um)11.81 K
Observed - Background BTD (3.9-10/11/12 um)3.02 K
BTD Anomaly (3.9-10/11/12 um)3.15 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.40 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.58
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.38 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.10°
Mean Solar Zenith Angle 51.10°
Mean Glint Angle68.00°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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