Wildfire Alert Report

Date: 2025-04-21
Time: 20:36:17
Production Date and Time: 2025-04-21 20:41:26 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20251112036176_e20251112038549_c20251112039046.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20251112031176_e20251112033549_c20251112034047.nc
Number Of Thermal Anomaly Alerts: 6
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Sargent County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:36:20UTC
Radiative Center (Lat, Lon): 46.117779°, -97.429443°
Nearby Counties (meeting alert criteria):
  • Sargent County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power21.23 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)306.74 K
Observed - Background BT (3.9 um)4.63 K
BT Anomaly (3.9 um)3.85 K
Maximum Observed - Clear RTM BT (3.9 um)17.30 K
Maximum Observed BTD (3.9-10/11/12 um)14.04 K
Observed - Background BTD (3.9-10/11/12 um)4.42 K
BTD Anomaly (3.9-10/11/12 um)7.79 K
Similar Pixel Count15
BT Time Tendency (3.9 um)2.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.57
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power21.23 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.70°
Mean Solar Zenith Angle 43.90°
Mean Glint Angle74.80°
Water Fraction0.00
Total Pixel Area 7.50 km2
Latest Satellite Imagery:
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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/Time2025-04-21 20:36:20UTC
Radiative Center (Lat, Lon): 45.065556°, -95.771942°
Nearby Counties (meeting alert criteria):
  • Chippewa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power70.29 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)313.92 K
Observed - Background BT (3.9 um)7.46 K
BT Anomaly (3.9 um)4.84 K
Maximum Observed - Clear RTM BT (3.9 um)21.86 K
Maximum Observed BTD (3.9-10/11/12 um)18.09 K
Observed - Background BTD (3.9-10/11/12 um)7.87 K
BTD Anomaly (3.9-10/11/12 um)22.28 K
Similar Pixel Count4
BT Time Tendency (3.9 um)3.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.36
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power70.29 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.10°
Mean Solar Zenith Angle 44.10°
Mean Glint Angle73.00°
Water Fraction0.00
Total Pixel Area 14.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Warren County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:36:51UTC
Radiative Center (Lat, Lon): 41.367500°, -93.398613°
Nearby Counties (meeting alert criteria):
  • Warren County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.60 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.01 K
Observed - Background BT (3.9 um)5.10 K
BT Anomaly (3.9 um)5.58 K
Maximum Observed - Clear RTM BT (3.9 um)14.82 K
Maximum Observed BTD (3.9-10/11/12 um)11.64 K
Observed - Background BTD (3.9-10/11/12 um)4.86 K
BTD Anomaly (3.9-10/11/12 um)11.78 K
Similar Pixel Count3
BT Time Tendency (3.9 um)4.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.79
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power16.60 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.60°
Mean Solar Zenith Angle 43.40°
Mean Glint Angle67.00°
Water Fraction0.00
Total Pixel Area 6.40 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 (Cloud)
Mean Object Date/Time2025-04-21 20:36:50UTC
Radiative Center (Lat, Lon): 38.705555°, -96.014725°
Nearby Counties (meeting alert criteria):
  • Lyon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power37.91 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.10 K
Observed - Background BT (3.9 um)9.58 K
BT Anomaly (3.9 um)6.14 K
Maximum Observed - Clear RTM BT (3.9 um)17.85 K
Maximum Observed BTD (3.9-10/11/12 um)16.84 K
Observed - Background BTD (3.9-10/11/12 um)9.39 K
BTD Anomaly (3.9-10/11/12 um)7.88 K
Similar Pixel Count0
BT Time Tendency (3.9 um)8.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.61
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power37.91 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.00°
Mean Solar Zenith Angle 40.20°
Mean Glint Angle61.80°
Water Fraction0.00
Total Pixel Area 6.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KS
Country/Countries United States
County/Locality(s) Linn County, KS
NWS WFO Kansas City/Pleasant Hill MO
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:36:50UTC
Radiative Center (Lat, Lon): 38.138054°, -95.056664°
Nearby Counties (meeting alert criteria):
  • Linn County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power14.39 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.36 K
Observed - Background BT (3.9 um)4.34 K
BT Anomaly (3.9 um)7.36 K
Maximum Observed - Clear RTM BT (3.9 um)11.41 K
Maximum Observed BTD (3.9-10/11/12 um)11.00 K
Observed - Background BTD (3.9-10/11/12 um)4.52 K
BTD Anomaly (3.9-10/11/12 um)5.91 K
Similar Pixel Count11
BT Time Tendency (3.9 um)4.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.68
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power14.39 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 49.10°
Mean Solar Zenith Angle 40.60°
Mean Glint Angle60.90°
Water Fraction0.00
Total Pixel Area 6.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Monterey County, CA
NWS WFO San Francisco CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:37:18UTC
Radiative Center (Lat, Lon): 36.269722°, -121.190002°
Nearby Counties (meeting alert criteria):
  • Monterey County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power26.54 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)310.40 K
Observed - Background BT (3.9 um)2.10 K
BT Anomaly (3.9 um)1.04 K
Maximum Observed - Clear RTM BT (3.9 um)11.40 K
Maximum Observed BTD (3.9-10/11/12 um)10.66 K
Observed - Background BTD (3.9-10/11/12 um)2.24 K
BTD Anomaly (3.9-10/11/12 um)2.20 K
Similar Pixel Count23
BT Time Tendency (3.9 um)0.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.55
Fraction of Surrounding Red Channel Pixels that are Brighter0.74
Maximum Radiative Power26.54 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 64.10°
Mean Solar Zenith Angle 25.80°
Mean Glint Angle71.40°
Water Fraction0.00
Total Pixel Area 9.20 km2
Latest Satellite Imagery:
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