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Wildfire Notification Report

Date: 2026-04-20
Time: 17:16:17
Production Date and Time: 2026-04-20 17:21:12 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261101716176_e20261101718549_c20261101719008.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261101711176_e20261101713549_c20261101714044.nc
Number Of Thermal Anomaly Notifications: 10
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Roosevelt County, MT
NWS WFO Glasgow MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 17:16:20UTC
Radiative Center (Lat, Lon): 48.518333°, -105.638885°
Nearby Counties (meeting notification criteria):
  • Roosevelt County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power36.64 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.79 K
Observed - Background BT (3.9 um)5.66 K
BT Anomaly (3.9 um)7.93 K
Maximum Observed - Clear RTM BT (3.9 um)17.69 K
Maximum Observed BTD (3.9-10/11/12 um)17.37 K
Observed - Background BTD (3.9-10/11/12 um)5.61 K
BTD Anomaly (3.9-10/11/12 um)10.16 K
Similar Pixel Count0
BT Time Tendency (3.9 um)5.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.64
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power36.64 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 63.30°
Mean Solar Zenith Angle 43.30°
Mean Glint Angle106.60°
Water Fraction0.00
Total Pixel Area 8.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Lewis and Clark County, MT
NWS WFO Great Falls MT
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 17:16:19UTC
Radiative Center (Lat, Lon): 47.499168°, -112.323334°
Nearby Counties (meeting notification criteria):
  • Lewis and Clark County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power53.30 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)314.84 K
Observed - Background BT (3.9 um)8.12 K
BT Anomaly (3.9 um)9.87 K
Maximum Observed - Clear RTM BT (3.9 um)22.52 K
Maximum Observed BTD (3.9-10/11/12 um)17.19 K
Observed - Background BTD (3.9-10/11/12 um)6.90 K
BTD Anomaly (3.9-10/11/12 um)15.55 K
Similar Pixel Count0
BT Time Tendency (3.9 um)5.70 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 Power53.30 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.80°
Mean Solar Zenith Angle 45.60°
Mean Glint Angle111.40°
Water Fraction0.00
Total Pixel Area 9.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) WI
Country/Countries United States
County/Locality(s) Sauk County, WI
NWS WFO Milwaukee/Sullivan WI
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:16:21UTC
Radiative Center (Lat, Lon): 43.549446°, -89.689720°
Nearby Counties (meeting notification criteria):
  • Sauk County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.35 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)299.87 K
Observed - Background BT (3.9 um)4.30 K
BT Anomaly (3.9 um)3.20 K
Maximum Observed - Clear RTM BT (3.9 um)18.18 K
Maximum Observed BTD (3.9-10/11/12 um)12.67 K
Observed - Background BTD (3.9-10/11/12 um)3.78 K
BTD Anomaly (3.9-10/11/12 um)5.08 K
Similar Pixel Count23
BT Time Tendency (3.9 um)2.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.76
Fraction of Surrounding Red Channel Pixels that are Brighter0.55
Maximum Radiative Power11.35 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.60°
Mean Solar Zenith Angle 33.60°
Mean Glint Angle86.10°
Water Fraction0.00
Total Pixel Area 6.60 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Polk County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:16:51UTC
Radiative Center (Lat, Lon): 41.791668°, -93.378609°
Nearby Counties (meeting notification criteria):
  • Polk County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power13.40 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.26 K
Observed - Background BT (3.9 um)2.93 K
BT Anomaly (3.9 um)1.87 K
Maximum Observed - Clear RTM BT (3.9 um)19.29 K
Maximum Observed BTD (3.9-10/11/12 um)15.68 K
Observed - Background BTD (3.9-10/11/12 um)3.21 K
BTD Anomaly (3.9-10/11/12 um)2.53 K
Similar Pixel Count22
BT Time Tendency (3.9 um)2.70 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 Power13.40 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 52.00°
Mean Solar Zenith Angle 33.00°
Mean Glint Angle84.90°
Water Fraction0.00
Total Pixel Area 6.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Iowa County, IA
NWS WFO Quad Cities IL
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:16:51UTC
Radiative Center (Lat, Lon): 41.598610°, -92.015274°
Nearby Counties (meeting notification criteria):
  • Iowa County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power36.49 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.34 K
Observed - Background BT (3.9 um)7.59 K
BT Anomaly (3.9 um)4.05 K
Maximum Observed - Clear RTM BT (3.9 um)25.07 K
Maximum Observed BTD (3.9-10/11/12 um)20.01 K
Observed - Background BTD (3.9-10/11/12 um)8.04 K
BTD Anomaly (3.9-10/11/12 um)7.12 K
Similar Pixel Count2
BT Time Tendency (3.9 um)6.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.28
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power36.49 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.30°
Mean Solar Zenith Angle 32.40°
Mean Glint Angle83.60°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) ID
Country/Countries United States
County/Locality(s) Owyhee County, ID
NWS WFO Boise ID
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:16:48UTC
Radiative Center (Lat, Lon): 42.990276°, -116.886665°
Nearby Counties (meeting notification criteria):
  • Owyhee County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power41.28 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.88 K
Observed - Background BT (3.9 um)7.04 K
BT Anomaly (3.9 um)5.66 K
Maximum Observed - Clear RTM BT (3.9 um)15.18 K
Maximum Observed BTD (3.9-10/11/12 um)16.44 K
Observed - Background BTD (3.9-10/11/12 um)8.16 K
BTD Anomaly (3.9-10/11/12 um)11.80 K
Similar Pixel Count5
BT Time Tendency (3.9 um)5.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.31
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power41.28 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 65.20°
Mean Solar Zenith Angle 45.50°
Mean Glint Angle110.60°
Water Fraction0.00
Total Pixel Area 9.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Appanoose County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:16:51UTC
Radiative Center (Lat, Lon): 40.590279°, -92.822777°
Nearby Counties (meeting notification criteria):
  • Appanoose County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power11.73 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)300.60 K
Observed - Background BT (3.9 um)3.45 K
BT Anomaly (3.9 um)6.18 K
Maximum Observed - Clear RTM BT (3.9 um)14.86 K
Maximum Observed BTD (3.9-10/11/12 um)11.21 K
Observed - Background BTD (3.9-10/11/12 um)3.37 K
BTD Anomaly (3.9-10/11/12 um)7.16 K
Similar Pixel Count18
BT Time Tendency (3.9 um)2.50 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 Power11.73 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 50.60°
Mean Solar Zenith Angle 31.70°
Mean Glint Angle82.30°
Water Fraction0.00
Total Pixel Area 6.30 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) TX
Country/Countries United States
County/Locality(s) Hunt County, TX
NWS WFO Fort Worth TX
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-20 17:17:20UTC
Radiative Center (Lat, Lon): 33.089443°, -96.057220°
Nearby Counties (meeting notification criteria):
  • Hunt County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power37.21 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)6.16 K
BT Anomaly (3.9 um)3.40 K
Maximum Observed - Clear RTM BT (3.9 um)7.74 K
Maximum Observed BTD (3.9-10/11/12 um)17.65 K
Observed - Background BTD (3.9-10/11/12 um)6.66 K
BTD Anomaly (3.9-10/11/12 um)4.63 K
Similar Pixel Count5
BT Time Tendency (3.9 um)0.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.34
Fraction of Surrounding Red Channel Pixels that are Brighter0.99
Maximum Radiative Power37.21 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 44.80°
Mean Solar Zenith Angle 26.70°
Mean Glint Angle71.40°
Water Fraction0.00
Total Pixel Area 16.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) FL
Country/Countries United States
County/Locality(s) Palm Beach County, FL
NWS WFO Miami FL
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 17:17:52UTC
Radiative Center (Lat, Lon): 26.923056°, -80.593330°
Nearby Counties (meeting notification criteria):
  • Palm Beach County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power197.92 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)335.87 K
Observed - Background BT (3.9 um)37.97 K
BT Anomaly (3.9 um)11.47 K
Maximum Observed - Clear RTM BT (3.9 um)38.95 K
Maximum Observed BTD (3.9-10/11/12 um)54.29 K
Observed - Background BTD (3.9-10/11/12 um)36.98 K
BTD Anomaly (3.9-10/11/12 um)9.65 K
Similar Pixel Count0
BT Time Tendency (3.9 um)28.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.91
Fraction of Surrounding Red Channel Pixels that are Brighter0.91
Maximum Radiative Power197.92 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 32.20°
Mean Solar Zenith Angle 15.80°
Mean Glint Angle47.80°
Water Fraction0.00
Total Pixel Area 4.70 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) Unknown
Country/Countries Dominican Republic
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-20 17:18:53UTC
Radiative Center (Lat, Lon): 18.483055°, -68.796387°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power62.31 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)325.53 K
Observed - Background BT (3.9 um)15.21 K
BT Anomaly (3.9 um)7.79 K
Maximum Observed - Clear RTM BT (3.9 um)23.69 K
Maximum Observed BTD (3.9-10/11/12 um)28.25 K
Observed - Background BTD (3.9-10/11/12 um)13.87 K
BTD Anomaly (3.9-10/11/12 um)6.80 K
Similar Pixel Count0
BT Time Tendency (3.9 um)8.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter0.60
Maximum Radiative Power62.31 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 23.00°
Mean Solar Zenith Angle 12.50°
Mean Glint Angle33.90°
Water Fraction0.00
Total Pixel Area 4.30 km2
Latest Satellite Imagery:
  • None Available
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