Wildfire Alert Report

Date: 2025-04-11
Time: 18:25:25
Production Date and Time: 2025-04-11 18:26:58 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM1-M6C14_G19_s20251011825256_e20251011825314_c20251011825365.nc
L1 File(s) - TemporalOR_ABI-L1b-RadM1-M6C14_G19_s20251011824256_e20251011824314_c20251011824372.nc
Number Of Thermal Anomaly Alerts: 6
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Swift County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 18:25:28UTC
Radiative Center (Lat, Lon): 45.341667°, -95.713890°
Nearby Counties (meeting alert criteria):
  • Swift County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power46.62 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.67 K
Observed - Background BT (3.9 um)7.02 K
BT Anomaly (3.9 um)5.46 K
Maximum Observed - Clear RTM BT (3.9 um)15.25 K
Maximum Observed BTD (3.9-10/11/12 um)18.34 K
Observed - Background BTD (3.9-10/11/12 um)6.59 K
BTD Anomaly (3.9-10/11/12 um)5.16 K
Similar Pixel Count12
BT Time Tendency (3.9 um)1.80 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.77
Fraction of Surrounding Red Channel Pixels that are Brighter0.90
Maximum Radiative Power25.27 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.30°
Mean Solar Zenith Angle 37.40°
Mean Glint Angle90.30°
Water Fraction0.00
Total Pixel Area 14.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Bon Homme County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 18:25:28UTC
Radiative Center (Lat, Lon): 43.146667°, -97.855003°
Nearby Counties (meeting alert criteria):
  • Bon Homme County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.66 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.33 K
Observed - Background BT (3.9 um)3.43 K
BT Anomaly (3.9 um)3.70 K
Maximum Observed - Clear RTM BT (3.9 um)22.08 K
Maximum Observed BTD (3.9-10/11/12 um)13.09 K
Observed - Background BTD (3.9-10/11/12 um)2.58 K
BTD Anomaly (3.9-10/11/12 um)7.25 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.60 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.66 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.10°
Mean Solar Zenith Angle 35.20°
Mean Glint Angle87.10°
Water Fraction0.00
Total Pixel Area 7.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Bon Homme County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 18:25:28UTC
Radiative Center (Lat, Lon): 42.830276°, -97.973610°
Nearby Counties (meeting alert criteria):
  • Bon Homme County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power19.34 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.23 K
Observed - Background BT (3.9 um)4.56 K
BT Anomaly (3.9 um)2.19 K
Maximum Observed - Clear RTM BT (3.9 um)20.55 K
Maximum Observed BTD (3.9-10/11/12 um)14.22 K
Observed - Background BTD (3.9-10/11/12 um)4.25 K
BTD Anomaly (3.9-10/11/12 um)3.16 K
Similar Pixel Count19
BT Time Tendency (3.9 um)0.80 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.73
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power19.34 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.80°
Mean Solar Zenith Angle 34.90°
Mean Glint Angle86.50°
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) Woodbury County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 18:25:28UTC
Radiative Center (Lat, Lon): 42.411945°, -95.853058°
Nearby Counties (meeting alert criteria):
  • Woodbury County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power17.08 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)310.92 K
Observed - Background BT (3.9 um)1.63 K
BT Anomaly (3.9 um)1.46 K
Maximum Observed - Clear RTM BT (3.9 um)15.72 K
Maximum Observed BTD (3.9-10/11/12 um)14.62 K
Observed - Background BTD (3.9-10/11/12 um)2.96 K
BTD Anomaly (3.9-10/11/12 um)5.85 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.10 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.07
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power17.08 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.50°
Mean Solar Zenith Angle 34.50°
Mean Glint Angle84.60°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NE
Country/Countries United States
County/Locality(s) Colfax County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 18:25:28UTC
Radiative Center (Lat, Lon): 41.662777°, -97.040833°
Nearby Counties (meeting alert criteria):
  • Colfax County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.78 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.34 K
Observed - Background BT (3.9 um)2.45 K
BT Anomaly (3.9 um)2.22 K
Maximum Observed - Clear RTM BT (3.9 um)18.39 K
Maximum Observed BTD (3.9-10/11/12 um)13.68 K
Observed - Background BTD (3.9-10/11/12 um)2.44 K
BTD Anomaly (3.9-10/11/12 um)5.44 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.60 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.52
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power13.78 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.30°
Mean Solar Zenith Angle 33.70°
Mean Glint Angle83.80°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) Lyon County, KS
NWS WFO Topeka KS
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 18:25:31UTC
Radiative Center (Lat, Lon): 38.231667°, -96.085281°
Nearby Counties (meeting alert criteria):
  • Lyon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.26 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.84 K
Observed - Background BT (3.9 um)2.18 K
BT Anomaly (3.9 um)1.71 K
Maximum Observed - Clear RTM BT (3.9 um)17.15 K
Maximum Observed BTD (3.9-10/11/12 um)10.80 K
Observed - Background BTD (3.9-10/11/12 um)2.13 K
BTD Anomaly (3.9-10/11/12 um)3.17 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.00 K
Image Interval1.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.26 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.60°
Mean Solar Zenith Angle 30.30°
Mean Glint Angle76.60°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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