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Wildfire Notification Report

Date: 2026-04-11
Time: 01:26:18
Production Date and Time: 2026-04-11 01:31:09 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261010126180_e20261010128553_c20261010129041.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261010121180_e20261010123553_c20261010124027.nc
Number Of Thermal Anomaly Notifications: 5
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Possible Wildfire

Basic Information
State/Province(s) SD
Country/Countries United States
County/Locality(s) Hamlin County, SD
NWS WFO Aberdeen SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-11 01:26:21UTC
Radiative Center (Lat, Lon): 44.624168°, -97.472504°
Nearby Counties (meeting notification criteria):
  • Hamlin County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power53.66 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)282.88 K
Observed - Background BT (3.9 um)10.32 K
BT Anomaly (3.9 um)15.99 K
Maximum Observed - Clear RTM BT (3.9 um)2.74 K
Maximum Observed BTD (3.9-10/11/12 um)10.00 K
Observed - Background BTD (3.9-10/11/12 um)9.97 K
BTD Anomaly (3.9-10/11/12 um)22.87 K
Similar Pixel Count2
BT Time Tendency (3.9 um)6.80 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 Power53.66 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 56.30°
Mean Solar Zenith Angle 94.10°
Mean Glint Angle56.30°
Water Fraction0.00
Total Pixel Area 14.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Cherokee County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-11 01:26:51UTC
Radiative Center (Lat, Lon): 42.630833°, -95.573334°
Nearby Counties (meeting notification criteria):
  • Cherokee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power21.88 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)281.22 K
Observed - Background BT (3.9 um)7.42 K
BT Anomaly (3.9 um)6.23 K
Maximum Observed - Clear RTM BT (3.9 um)1.45 K
Maximum Observed BTD (3.9-10/11/12 um)6.80 K
Observed - Background BTD (3.9-10/11/12 um)6.69 K
BTD Anomaly (3.9-10/11/12 um)6.48 K
Similar Pixel Count2
BT Time Tendency (3.9 um)2.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.81
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.17 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.70°
Mean Solar Zenith Angle 96.00°
Mean Glint Angle59.50°
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) Cherokee County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-11 01:26:51UTC
Radiative Center (Lat, Lon): 42.564999°, -95.406387°
Nearby Counties (meeting notification criteria):
  • Cherokee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power73.76 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)282.80 K
Observed - Background BT (3.9 um)9.34 K
BT Anomaly (3.9 um)8.76 K
Maximum Observed - Clear RTM BT (3.9 um)3.38 K
Maximum Observed BTD (3.9-10/11/12 um)9.81 K
Observed - Background BTD (3.9-10/11/12 um)9.86 K
BTD Anomaly (3.9-10/11/12 um)12.55 K
Similar Pixel Count1
BT Time Tendency (3.9 um)8.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.05
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power37.79 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.50°
Mean Solar Zenith Angle 96.10°
Mean Glint Angle59.70°
Water Fraction0.00
Total Pixel Area 20.20 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TX
Country/Countries United States
County/Locality(s) Chambers County, TX
NWS WFO Houston/Galveston TX
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-11 01:27:51UTC
Radiative Center (Lat, Lon): 29.834444°, -94.896942°
Nearby Counties (meeting notification criteria):
  • Chambers County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.93 MW
Map:
Additional Information
Notification Status New Feature
Type of EventOil/Gas
Event Priority Ranking5
Maximum Observed BT (3.9 um)294.11 K
Observed - Background BT (3.9 um)6.37 K
BT Anomaly (3.9 um)4.80 K
Maximum Observed - Clear RTM BT (3.9 um)4.01 K
Maximum Observed BTD (3.9-10/11/12 um)10.02 K
Observed - Background BTD (3.9-10/11/12 um)5.10 K
BTD Anomaly (3.9-10/11/12 um)5.85 K
Similar Pixel Count8
BT Time Tendency (3.9 um)3.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.98
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.93 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 41.10°
Mean Solar Zenith Angle 100.00°
Mean Glint Angle68.10°
Water Fraction0.00
Total Pixel Area 5.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TX
Country/Countries United States
County/Locality(s) San Patricio County, TX
NWS WFO Corpus Christi TX
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-11 01:27:51UTC
Radiative Center (Lat, Lon): 28.051666°, -97.441948°
Nearby Counties (meeting notification criteria):
  • San Patricio County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.21 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.04 K
Observed - Background BT (3.9 um)3.65 K
BT Anomaly (3.9 um)7.57 K
Maximum Observed - Clear RTM BT (3.9 um)2.09 K
Maximum Observed BTD (3.9-10/11/12 um)8.58 K
Observed - Background BTD (3.9-10/11/12 um)3.24 K
BTD Anomaly (3.9-10/11/12 um)11.53 K
Similar Pixel Count4
BT Time Tendency (3.9 um)2.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.88
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.21 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 41.10°
Mean Solar Zenith Angle 98.30°
Mean Glint Angle65.00°
Water Fraction0.00
Total Pixel Area 5.30 km2
Latest Satellite Imagery:
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