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Wildfire Notification Report

Date: 2026-04-21
Time: 17:21:17
Production Date and Time: 2026-04-21 17:26:11 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261111721177_e20261111723550_c20261111724029.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261111716177_e20261111718550_c20261111719014.nc
Number Of Thermal Anomaly Notifications: 9
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Possible Wildfire

Basic Information
State/Province(s) MN
Country/Countries United States
County/Locality(s) Becker County, MN
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 17:21:21UTC
Radiative Center (Lat, Lon): 47.008335°, -95.365280°
Nearby Counties (meeting notification criteria):
  • Becker County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power34.18 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.54 K
Observed - Background BT (3.9 um)7.83 K
BT Anomaly (3.9 um)6.79 K
Maximum Observed - Clear RTM BT (3.9 um)24.27 K
Maximum Observed BTD (3.9-10/11/12 um)15.99 K
Observed - Background BTD (3.9-10/11/12 um)6.19 K
BTD Anomaly (3.9-10/11/12 um)9.54 K
Similar Pixel Count0
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder1.00
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power34.18 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 57.90°
Mean Solar Zenith Angle 37.60°
Mean Glint Angle95.40°
Water Fraction0.00
Total Pixel Area 7.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Yellowstone County, MT
NWS WFO Billings MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:21:19UTC
Radiative Center (Lat, Lon): 46.104168°, -107.513885°
Nearby Counties (meeting notification criteria):
  • Yellowstone County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power77.41 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)312.64 K
Observed - Background BT (3.9 um)9.89 K
BT Anomaly (3.9 um)6.81 K
Maximum Observed - Clear RTM BT (3.9 um)12.12 K
Maximum Observed BTD (3.9-10/11/12 um)28.19 K
Observed - Background BTD (3.9-10/11/12 um)10.01 K
BTD Anomaly (3.9-10/11/12 um)6.52 K
Similar Pixel Count11
BT Time Tendency (3.9 um)7.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.57
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power77.41 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 62.20°
Mean Solar Zenith Angle 41.40°
Mean Glint Angle103.60°
Water Fraction0.00
Total Pixel Area 8.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Winneshiek County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:21:21UTC
Radiative Center (Lat, Lon): 43.440556°, -91.669998°
Nearby Counties (meeting notification criteria):
  • Winneshiek County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.21 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)311.18 K
Observed - Background BT (3.9 um)3.45 K
BT Anomaly (3.9 um)1.76 K
Maximum Observed - Clear RTM BT (3.9 um)19.07 K
Maximum Observed BTD (3.9-10/11/12 um)14.48 K
Observed - Background BTD (3.9-10/11/12 um)3.49 K
BTD Anomaly (3.9-10/11/12 um)3.31 K
Similar Pixel Count22
BT Time Tendency (3.9 um)2.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.51
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power18.21 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.10°
Mean Solar Zenith Angle 33.30°
Mean Glint Angle86.30°
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) Cherokee County, IA
NWS WFO Sioux Falls SD
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:21:50UTC
Radiative Center (Lat, Lon): 42.837776°, -95.655281°
Nearby Counties (meeting notification criteria):
  • Cherokee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.81 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)322.89 K
Observed - Background BT (3.9 um)2.75 K
BT Anomaly (3.9 um)2.95 K
Maximum Observed - Clear RTM BT (3.9 um)22.97 K
Maximum Observed BTD (3.9-10/11/12 um)13.54 K
Observed - Background BTD (3.9-10/11/12 um)2.55 K
BTD Anomaly (3.9-10/11/12 um)8.40 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.60
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power18.81 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.90°
Mean Solar Zenith Angle 33.90°
Mean Glint Angle87.80°
Water Fraction0.00
Total Pixel Area 6.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OH
Country/Countries United States
County/Locality(s) Muskingum County, OH
NWS WFO Pittsburgh PA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:21:52UTC
Radiative Center (Lat, Lon): 39.866665°, -81.756386°
Nearby Counties (meeting notification criteria):
  • Muskingum County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.08 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.82 K
Observed - Background BT (3.9 um)1.59 K
BT Anomaly (3.9 um)2.04 K
Maximum Observed - Clear RTM BT (3.9 um)12.25 K
Maximum Observed BTD (3.9-10/11/12 um)9.30 K
Observed - Background BTD (3.9-10/11/12 um)1.68 K
BTD Anomaly (3.9-10/11/12 um)4.47 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.50 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 Power5.08 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 46.80°
Mean Solar Zenith Angle 28.30°
Mean Glint Angle75.00°
Water Fraction0.00
Total Pixel Area 5.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) KY
Country/Countries United States
County/Locality(s) Crittenden County, KY
NWS WFO Paducah KY
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:21:51UTC
Radiative Center (Lat, Lon): 37.424999°, -88.325279°
Nearby Counties (meeting notification criteria):
  • Crittenden County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power25.34 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.98 K
Observed - Background BT (3.9 um)9.01 K
BT Anomaly (3.9 um)6.84 K
Maximum Observed - Clear RTM BT (3.9 um)15.01 K
Maximum Observed BTD (3.9-10/11/12 um)19.48 K
Observed - Background BTD (3.9-10/11/12 um)8.69 K
BTD Anomaly (3.9-10/11/12 um)6.29 K
Similar Pixel Count8
BT Time Tendency (3.9 um)5.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.63
Fraction of Surrounding Red Channel Pixels that are Brighter0.77
Maximum Radiative Power25.34 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.80°
Mean Solar Zenith Angle 26.80°
Mean Glint Angle72.50°
Water Fraction0.00
Total Pixel Area 5.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) NC
Country/Countries United States
County/Locality(s) Chatham County, NC
NWS WFO Raleigh NC
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:22:22UTC
Radiative Center (Lat, Lon): 35.720276°, -79.457222°
Nearby Counties (meeting notification criteria):
  • Chatham County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power2.61 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.39 K
Observed - Background BT (3.9 um)3.10 K
BT Anomaly (3.9 um)2.61 K
Maximum Observed - Clear RTM BT (3.9 um)9.02 K
Maximum Observed BTD (3.9-10/11/12 um)8.62 K
Observed - Background BTD (3.9-10/11/12 um)1.55 K
BTD Anomaly (3.9-10/11/12 um)3.02 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.96
Fraction of Surrounding Red Channel Pixels that are Brighter0.86
Maximum Radiative Power2.61 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 41.90°
Mean Solar Zenith Angle 24.20°
Mean Glint Angle65.80°
Water Fraction0.00
Total Pixel Area 5.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CA
Country/Countries United States
County/Locality(s) Riverside County, CA
NWS WFO San Diego CA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:22:18UTC
Radiative Center (Lat, Lon): 33.520832°, -116.139725°
Nearby Counties (meeting notification criteria):
  • Riverside County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power10.25 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)315.04 K
Observed - Background BT (3.9 um)1.98 K
BT Anomaly (3.9 um)1.16 K
Maximum Observed - Clear RTM BT (3.9 um)12.98 K
Maximum Observed BTD (3.9-10/11/12 um)12.16 K
Observed - Background BTD (3.9-10/11/12 um)1.52 K
BTD Anomaly (3.9-10/11/12 um)2.09 K
Similar Pixel Count24
BT Time Tendency (3.9 um)0.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.50
Fraction of Surrounding Red Channel Pixels that are Brighter0.82
Maximum Radiative Power10.25 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 58.70°
Mean Solar Zenith Angle 39.10°
Mean Glint Angle97.60°
Water Fraction0.00
Total Pixel Area 7.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) FL
Country/Countries United States
County/Locality(s) Levy County, FL
NWS WFO Tampa Bay Ruskin FL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 17:22:52UTC
Radiative Center (Lat, Lon): 29.280001°, -82.621391°
Nearby Counties (meeting notification criteria):
  • Levy County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power66.20 MW
Map:
Additional Information
Notification Status New Feature
Type of EventElevated Fire Risk (NWS/SPC) and Red Flag Warning (NWS)
Event Priority Ranking1
Maximum Observed BT (3.9 um)316.03 K
Observed - Background BT (3.9 um)9.88 K
BT Anomaly (3.9 um)6.18 K
Maximum Observed - Clear RTM BT (3.9 um)13.89 K
Maximum Observed BTD (3.9-10/11/12 um)16.02 K
Observed - Background BTD (3.9-10/11/12 um)9.69 K
BTD Anomaly (3.9-10/11/12 um)14.87 K
Similar Pixel Count2
BT Time Tendency (3.9 um)8.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.33
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power35.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 35.30°
Mean Solar Zenith Angle 17.80°
Mean Glint Angle52.90°
Water Fraction0.00
Total Pixel Area 9.80 km2
Latest Satellite Imagery:
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