Wildfire Alert Report

Date: 2025-04-19
Time: 23:46:17
Production Date and Time: 2025-04-19 23:51:18 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20251092346174_e20251092348547_c20251092349040.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20251092341174_e20251092343547_c20251092344052.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) Chippewa County, MN
NWS WFO Twin Cities/Chanhassen MN
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-19 23:46:20UTC
Radiative Center (Lat, Lon): 44.959721°, -95.490555°
Nearby Counties (meeting alert criteria):
  • Chippewa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.80 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.60 K
Observed - Background BT (3.9 um)7.28 K
BT Anomaly (3.9 um)17.11 K
Maximum Observed - Clear RTM BT (3.9 um)10.99 K
Maximum Observed BTD (3.9-10/11/12 um)9.18 K
Observed - Background BTD (3.9-10/11/12 um)6.67 K
BTD Anomaly (3.9-10/11/12 um)43.38 K
Similar Pixel Count1
BT Time Tendency (3.9 um)5.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.92
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power18.80 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.90°
Mean Solar Zenith Angle 76.20°
Mean Glint Angle58.10°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Sac County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-19 23:46:50UTC
Radiative Center (Lat, Lon): 42.495834°, -95.154724°
Nearby Counties (meeting alert criteria):
  • Sac County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.62 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)288.49 K
Observed - Background BT (3.9 um)2.70 K
BT Anomaly (3.9 um)3.61 K
Maximum Observed - Clear RTM BT (3.9 um)5.64 K
Maximum Observed BTD (3.9-10/11/12 um)5.53 K
Observed - Background BTD (3.9-10/11/12 um)2.03 K
BTD Anomaly (3.9-10/11/12 um)8.50 K
Similar Pixel Count7
BT Time Tendency (3.9 um)1.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.90
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power4.62 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.40°
Mean Solar Zenith Angle 76.60°
Mean Glint Angle57.40°
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) Hardin County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-04-19 23:46:51UTC
Radiative Center (Lat, Lon): 42.306667°, -93.363052°
Nearby Counties (meeting alert criteria):
  • Hardin County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power37.37 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.48 K
Observed - Background BT (3.9 um)14.20 K
BT Anomaly (3.9 um)34.36 K
Maximum Observed - Clear RTM BT (3.9 um)18.04 K
Maximum Observed BTD (3.9-10/11/12 um)16.65 K
Observed - Background BTD (3.9-10/11/12 um)13.85 K
BTD Anomaly (3.9-10/11/12 um)72.53 K
Similar Pixel Count0
BT Time Tendency (3.9 um)12.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.78
Fraction of Surrounding Red Channel Pixels that are Brighter0.85
Maximum Radiative Power37.37 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.50°
Mean Solar Zenith Angle 77.90°
Mean Glint Angle59.10°
Water Fraction0.00
Total Pixel Area 6.60 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/Time2025-04-19 23:46:51UTC
Radiative Center (Lat, Lon): 42.053333°, -92.756943°
Nearby Counties (meeting alert criteria):
  • Tama County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.44 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)287.61 K
Observed - Background BT (3.9 um)3.44 K
BT Anomaly (3.9 um)9.91 K
Maximum Observed - Clear RTM BT (3.9 um)8.00 K
Maximum Observed BTD (3.9-10/11/12 um)6.55 K
Observed - Background BTD (3.9-10/11/12 um)3.47 K
BTD Anomaly (3.9-10/11/12 um)22.09 K
Similar Pixel Count2
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.45
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power7.58 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.00°
Mean Solar Zenith Angle 78.40°
Mean Glint Angle59.70°
Water Fraction0.00
Total Pixel Area 13.00 km2
Latest Satellite Imagery:
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