Wildfire Alert Report

Date: 2025-04-11
Time: 21:48:25
Production Date and Time: 2025-04-11 21:49:35 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadM1-M6C14_G19_s20251012148256_e20251012148314_c20251012148366.nc
L1 File(s) - TemporalOR_ABI-L1b-RadM1-M6C14_G19_s20251012146256_e20251012146314_c20251012146378.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Clay County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 21:48:28UTC
Radiative Center (Lat, Lon): 42.987499°, -95.063332°
Nearby Counties (meeting alert criteria):
  • Clay County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power40.36 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.15 K
Observed - Background BT (3.9 um)4.59 K
BT Anomaly (3.9 um)3.55 K
Maximum Observed - Clear RTM BT (3.9 um)16.06 K
Maximum Observed BTD (3.9-10/11/12 um)13.65 K
Observed - Background BTD (3.9-10/11/12 um)5.49 K
BTD Anomaly (3.9-10/11/12 um)14.22 K
Similar Pixel Count4
BT Time Tendency (3.9 um)4.00 K
Image Interval2.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.17
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power21.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.80°
Mean Solar Zenith Angle 57.10°
Mean Glint Angle67.10°
Water Fraction0.00
Total Pixel Area 13.50 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/Time2025-04-11 21:48:28UTC
Radiative Center (Lat, Lon): 42.467499°, -94.473335°
Nearby Counties (meeting alert criteria):
  • Calhoun County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.57 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.06 K
Observed - Background BT (3.9 um)2.64 K
BT Anomaly (3.9 um)4.35 K
Maximum Observed - Clear RTM BT (3.9 um)19.26 K
Maximum Observed BTD (3.9-10/11/12 um)11.28 K
Observed - Background BTD (3.9-10/11/12 um)2.52 K
BTD Anomaly (3.9-10/11/12 um)3.66 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.50 K
Image Interval2.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.57 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.10°
Mean Solar Zenith Angle 57.30°
Mean Glint Angle66.70°
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) Woodbury County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 21:48:28UTC
Radiative Center (Lat, Lon): 42.323055°, -95.817497°
Nearby Counties (meeting alert criteria):
  • Woodbury County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.21 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.12 K
Observed - Background BT (3.9 um)1.70 K
BT Anomaly (3.9 um)1.86 K
Maximum Observed - Clear RTM BT (3.9 um)13.65 K
Maximum Observed BTD (3.9-10/11/12 um)8.85 K
Observed - Background BTD (3.9-10/11/12 um)1.46 K
BTD Anomaly (3.9-10/11/12 um)3.81 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.70 K
Image Interval2.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power5.21 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.50°
Mean Solar Zenith Angle 56.40°
Mean Glint Angle65.80°
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) Richardson County, NE
NWS WFO Omaha/Valley NE
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-11 21:48:31UTC
Radiative Center (Lat, Lon): 40.003887°, -95.409721°
Nearby Counties (meeting alert criteria):
  • Richardson County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.81 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.13 K
Observed - Background BT (3.9 um)2.04 K
BT Anomaly (3.9 um)1.64 K
Maximum Observed - Clear RTM BT (3.9 um)16.06 K
Maximum Observed BTD (3.9-10/11/12 um)8.70 K
Observed - Background BTD (3.9-10/11/12 um)1.70 K
BTD Anomaly (3.9-10/11/12 um)4.43 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.70 K
Image Interval2.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.61
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power5.81 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.00°
Mean Solar Zenith Angle 55.80°
Mean Glint Angle62.80°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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