Wildfire Alert Report

Date: 2025-04-21
Time: 20:11:17
Production Date and Time: 2025-04-21 20:16:24 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20251112011176_e20251112013549_c20251112014046.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20251112006176_e20251112008549_c20251112009040.nc
Number Of Thermal Anomaly Alerts: 5
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Spink County, SD
NWS WFO Aberdeen SD
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-04-21 20:11:20UTC
Radiative Center (Lat, Lon): 44.650002°, -98.534447°
Nearby Counties (meeting alert criteria):
  • Spink County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power193.75 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)323.36 K
Observed - Background BT (3.9 um)15.80 K
BT Anomaly (3.9 um)16.97 K
Maximum Observed - Clear RTM BT (3.9 um)32.94 K
Maximum Observed BTD (3.9-10/11/12 um)25.01 K
Observed - Background BTD (3.9-10/11/12 um)14.44 K
BTD Anomaly (3.9-10/11/12 um)31.53 K
Similar Pixel Count0
BT Time Tendency (3.9 um)14.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.96
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power101.57 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.80°
Mean Solar Zenith Angle 39.30°
Mean Glint Angle75.00°
Water Fraction0.00
Total Pixel Area 14.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Sioux County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:11:20UTC
Radiative Center (Lat, Lon): 43.249168°, -96.309166°
Nearby Counties (meeting alert criteria):
  • Sioux County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power19.86 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.40 K
Observed - Background BT (3.9 um)3.93 K
BT Anomaly (3.9 um)3.57 K
Maximum Observed - Clear RTM BT (3.9 um)19.03 K
Maximum Observed BTD (3.9-10/11/12 um)14.27 K
Observed - Background BTD (3.9-10/11/12 um)3.80 K
BTD Anomaly (3.9-10/11/12 um)10.66 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.56
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power19.86 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 54.50°
Mean Solar Zenith Angle 39.30°
Mean Glint Angle72.30°
Water Fraction0.00
Total Pixel Area 6.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Cuba
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:13:22UTC
Radiative Center (Lat, Lon): 23.005278°, -82.312500°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.84 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)310.49 K
Observed - Background BT (3.9 um)2.08 K
BT Anomaly (3.9 um)0.98 K
Maximum Observed - Clear RTM BT (3.9 um)5.70 K
Maximum Observed BTD (3.9-10/11/12 um)11.44 K
Observed - Background BTD (3.9-10/11/12 um)1.77 K
BTD Anomaly (3.9-10/11/12 um)1.17 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.63
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power5.84 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 28.20°
Mean Solar Zenith Angle 40.50°
Mean Glint Angle44.40°
Water Fraction0.00
Total Pixel Area 4.50 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Cuba
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:13:22UTC
Radiative Center (Lat, Lon): 22.621944°, -80.708054°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power31.14 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.54 K
Observed - Background BT (3.9 um)7.32 K
BT Anomaly (3.9 um)2.96 K
Maximum Observed - Clear RTM BT (3.9 um)10.66 K
Maximum Observed BTD (3.9-10/11/12 um)16.71 K
Observed - Background BTD (3.9-10/11/12 um)7.91 K
BTD Anomaly (3.9-10/11/12 um)3.90 K
Similar Pixel Count3
BT Time Tendency (3.9 um)6.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.20
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power31.14 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 27.30°
Mean Solar Zenith Angle 41.90°
Mean Glint Angle46.10°
Water Fraction0.00
Total Pixel Area 4.50 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Cuba
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-04-21 20:13:22UTC
Radiative Center (Lat, Lon): 21.933889°, -78.340279°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power34.40 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)316.32 K
Observed - Background BT (3.9 um)10.46 K
BT Anomaly (3.9 um)5.19 K
Maximum Observed - Clear RTM BT (3.9 um)14.74 K
Maximum Observed BTD (3.9-10/11/12 um)18.71 K
Observed - Background BTD (3.9-10/11/12 um)10.26 K
BTD Anomaly (3.9-10/11/12 um)6.95 K
Similar Pixel Count2
BT Time Tendency (3.9 um)5.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.57
Fraction of Surrounding Red Channel Pixels that are Brighter0.92
Maximum Radiative Power34.40 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 26.00°
Mean Solar Zenith Angle 44.00°
Mean Glint Angle48.80°
Water Fraction0.00
Total Pixel Area 4.50 km2
Latest Satellite Imagery:
  • None Available
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