Wildfire Alert Report

Date: 2025-05-11
Time: 20:56:17
Production Date and Time: 2025-05-11 21:01:17 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20251312056175_e20251312058548_c20251312059035.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20251312051175_e20251312053548_c20251312054032.nc
Number Of Thermal Anomaly Alerts: 4
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Jerauld County, SD
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-05-11 20:56:20UTC
Radiative Center (Lat, Lon): 44.084446°, -98.767220°
Nearby Counties (meeting alert criteria):
  • Jerauld County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.77 MW
Map:
Additional Information
Alert Status New Feature
Type of EventCritical SPC Risk and Red Flag Warning
Event Priority Ranking1
Maximum Observed BT (3.9 um)308.51 K
Observed - Background BT (3.9 um)2.03 K
BT Anomaly (3.9 um)1.61 K
Maximum Observed - Clear RTM BT (3.9 um)12.20 K
Maximum Observed BTD (3.9-10/11/12 um)8.83 K
Observed - Background BTD (3.9-10/11/12 um)1.92 K
BTD Anomaly (3.9-10/11/12 um)3.41 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power9.77 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.30°
Mean Solar Zenith Angle 40.30°
Mean Glint Angle63.30°
Water Fraction0.00
Total Pixel Area 7.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Kenosha County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-05-11 20:56:51UTC
Radiative Center (Lat, Lon): 42.593334°, -88.219444°
Nearby Counties (meeting alert criteria):
  • Kenosha County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.39 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)303.53 K
Observed - Background BT (3.9 um)3.22 K
BT Anomaly (3.9 um)2.17 K
Maximum Observed - Clear RTM BT (3.9 um)16.51 K
Maximum Observed BTD (3.9-10/11/12 um)9.14 K
Observed - Background BTD (3.9-10/11/12 um)2.87 K
BTD Anomaly (3.9-10/11/12 um)5.66 K
Similar Pixel Count20
BT Time Tendency (3.9 um)2.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.66
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power10.39 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.20°
Mean Solar Zenith Angle 46.70°
Mean Glint Angle63.60°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WY
Country/Countries United States
County/Locality(s) Fremont County, WY
NWS WFO Riverton WY
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-05-11 20:56:49UTC
Radiative Center (Lat, Lon): 43.285557°, -107.883057°
Nearby Counties (meeting alert criteria):
  • Fremont County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power76.66 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.49 K
Observed - Background BT (3.9 um)10.97 K
BT Anomaly (3.9 um)12.94 K
Maximum Observed - Clear RTM BT (3.9 um)2.44 K
Maximum Observed BTD (3.9-10/11/12 um)34.44 K
Observed - Background BTD (3.9-10/11/12 um)10.99 K
BTD Anomaly (3.9-10/11/12 um)10.10 K
Similar Pixel Count0
BT Time Tendency (3.9 um)12.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.89
Fraction of Surrounding Red Channel Pixels that are Brighter0.62
Maximum Radiative Power76.66 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.10°
Mean Solar Zenith Angle 34.40°
Mean Glint Angle63.80°
Water Fraction0.00
Total Pixel Area 8.00 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 (Cloud)
Mean Object Date/Time2025-05-11 20:58:22UTC
Radiative Center (Lat, Lon): 21.809999°, -77.922775°
Nearby Counties (meeting alert criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power28.72 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)9.12 K
BT Anomaly (3.9 um)3.77 K
Maximum Observed - Clear RTM BT (3.9 um)9.76 K
Maximum Observed BTD (3.9-10/11/12 um)19.38 K
Observed - Background BTD (3.9-10/11/12 um)9.36 K
BTD Anomaly (3.9-10/11/12 um)5.07 K
Similar Pixel Count0
BT Time Tendency (3.9 um)6.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.67
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power28.72 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 25.80°
Mean Solar Zenith Angle 53.60°
Mean Glint Angle51.90°
Water Fraction0.00
Total Pixel Area 4.40 km2
Latest Satellite Imagery:
  • None Available
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