August 2026: The UW campus has an ongoing chilled water disruption that will limit SSEC datacenter cooling and could lead to data outages with no warning. Please consider accessing NGFS detections and satellite imagery through the NOAA/NESDIS Wildland Fire Data Portal: https://fire.data.nesdis.noaa.gov/map/

Wildfire Notification Report

Date: 2026-04-21
Time: 20:41:17
Production Date and Time: 2026-04-21 20:46:13 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20261112041177_e20261112043551_c20261112044038.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20261112036177_e20261112038551_c20261112038599.nc
Number Of Thermal Anomaly Notifications: 12
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Possible Wildfire

Basic Information
State/Province(s) Saskatchewan
Country/Countries Canada
County/Locality(s) Division No. 13, Saskatchewan
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:20UTC
Radiative Center (Lat, Lon): 52.173611°, -108.672501°
Nearby Counties (meeting notification criteria):
  • Division No. 13 (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.35 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)305.33 K
Observed - Background BT (3.9 um)3.29 K
BT Anomaly (3.9 um)4.12 K
Maximum Observed - Clear RTM BT (3.9 um)17.46 K
Maximum Observed BTD (3.9-10/11/12 um)15.36 K
Observed - Background BTD (3.9-10/11/12 um)3.33 K
BTD Anomaly (3.9-10/11/12 um)3.95 K
Similar Pixel Count15
BT Time Tendency (3.9 um)1.80 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.54
Fraction of Surrounding Red Channel Pixels that are Brighter0.95
Maximum Radiative Power18.35 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 67.70°
Mean Solar Zenith Angle 44.30°
Mean Glint Angle86.20°
Water Fraction0.00
Total Pixel Area 10.60 km2
Latest Satellite Imagery:
  • None Available
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Possible Wildfire

Basic Information
State/Province(s) ND
Country/Countries United States
County/Locality(s) Walsh County, ND
NWS WFO Grand Forks ND
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:20UTC
Radiative Center (Lat, Lon): 48.355556°, -97.656944°
Nearby Counties (meeting notification criteria):
  • Walsh County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power12.51 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)298.86 K
Observed - Background BT (3.9 um)1.66 K
BT Anomaly (3.9 um)1.35 K
Maximum Observed - Clear RTM BT (3.9 um)9.72 K
Maximum Observed BTD (3.9-10/11/12 um)11.86 K
Observed - Background BTD (3.9-10/11/12 um)2.49 K
BTD Anomaly (3.9-10/11/12 um)5.20 K
Similar Pixel Count25
BT Time Tendency (3.9 um)2.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.09
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power12.51 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 60.00°
Mean Solar Zenith Angle 45.90°
Mean Glint Angle78.00°
Water Fraction0.00
Total Pixel Area 8.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) MT
Country/Countries United States
County/Locality(s) Mineral County, MT
NWS WFO Missoula MT
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:19UTC
Radiative Center (Lat, Lon): 47.110554°, -115.083885°
Nearby Counties (meeting notification criteria):
  • Mineral County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power43.78 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk, Known Incident: RX D7 Barber Gulch (HIGH, tdiff=0.17093 days, Point)
Event Priority Ranking4
Maximum Observed BT (3.9 um)295.67 K
Observed - Background BT (3.9 um)5.89 K
BT Anomaly (3.9 um)2.42 K
Maximum Observed - Clear RTM BT (3.9 um)6.79 K
Maximum Observed BTD (3.9-10/11/12 um)12.45 K
Observed - Background BTD (3.9-10/11/12 um)5.82 K
BTD Anomaly (3.9-10/11/12 um)2.87 K
Similar Pixel Count7
BT Time Tendency (3.9 um)3.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.35
Fraction of Surrounding Red Channel Pixels that are Brighter0.93
Maximum Radiative Power43.78 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 67.00°
Mean Solar Zenith Angle 37.90°
Mean Glint Angle81.20°
Water Fraction0.00
Total Pixel Area 20.50 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) OH
Country/Countries United States
County/Locality(s) Seneca County, OH
NWS WFO Cleveland OH
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:52UTC
Radiative Center (Lat, Lon): 41.078056°, -83.190834°
Nearby Counties (meeting notification criteria):
  • Seneca County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power15.18 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)302.84 K
Observed - Background BT (3.9 um)3.13 K
BT Anomaly (3.9 um)3.24 K
Maximum Observed - Clear RTM BT (3.9 um)15.75 K
Maximum Observed BTD (3.9-10/11/12 um)11.57 K
Observed - Background BTD (3.9-10/11/12 um)3.32 K
BTD Anomaly (3.9-10/11/12 um)4.58 K
Similar Pixel Count16
BT Time Tendency (3.9 um)4.10 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.37
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power15.18 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 48.40°
Mean Solar Zenith Angle 50.90°
Mean Glint Angle71.10°
Water Fraction0.00
Total Pixel Area 6.00 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Madison County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:50UTC
Radiative Center (Lat, Lon): 41.255280°, -94.147224°
Nearby Counties (meeting notification criteria):
  • Madison County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power16.39 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)309.52 K
Observed - Background BT (3.9 um)3.11 K
BT Anomaly (3.9 um)1.79 K
Maximum Observed - Clear RTM BT (3.9 um)15.90 K
Maximum Observed BTD (3.9-10/11/12 um)12.27 K
Observed - Background BTD (3.9-10/11/12 um)3.35 K
BTD Anomaly (3.9-10/11/12 um)4.63 K
Similar Pixel Count15
BT Time Tendency (3.9 um)3.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.43
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power16.39 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.70°
Mean Solar Zenith Angle 43.60°
Mean Glint Angle66.20°
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) Monroe County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:51UTC
Radiative Center (Lat, Lon): 41.043610°, -93.021667°
Nearby Counties (meeting notification criteria):
  • Monroe County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power7.99 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)304.43 K
Observed - Background BT (3.9 um)2.53 K
BT Anomaly (3.9 um)2.14 K
Maximum Observed - Clear RTM BT (3.9 um)11.69 K
Maximum Observed BTD (3.9-10/11/12 um)10.47 K
Observed - Background BTD (3.9-10/11/12 um)2.17 K
BTD Anomaly (3.9-10/11/12 um)2.78 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.71
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power7.99 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.10°
Mean Solar Zenith Angle 44.20°
Mean Glint Angle66.10°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) PA
Country/Countries United States
County/Locality(s) Huntingdon County, PA
NWS WFO State College PA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:52UTC
Radiative Center (Lat, Lon): 40.595833°, -77.894997°
Nearby Counties (meeting notification criteria):
  • Huntingdon County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power5.56 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)293.44 K
Observed - Background BT (3.9 um)2.79 K
BT Anomaly (3.9 um)2.36 K
Maximum Observed - Clear RTM BT (3.9 um)11.25 K
Maximum Observed BTD (3.9-10/11/12 um)8.21 K
Observed - Background BTD (3.9-10/11/12 um)2.11 K
BTD Anomaly (3.9-10/11/12 um)2.14 K
Similar Pixel Count20
BT Time Tendency (3.9 um)0.60 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 Power5.56 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 47.20°
Mean Solar Zenith Angle 54.50°
Mean Glint Angle74.70°
Water Fraction0.00
Total Pixel Area 5.90 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) CO
Country/Countries United States
County/Locality(s) Logan County, CO
NWS WFO Denver CO
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:50UTC
Radiative Center (Lat, Lon): 40.761944°, -103.164444°
Nearby Counties (meeting notification criteria):
  • Logan County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power8.94 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)316.35 K
Observed - Background BT (3.9 um)1.23 K
BT Anomaly (3.9 um)1.18 K
Maximum Observed - Clear RTM BT (3.9 um)14.18 K
Maximum Observed BTD (3.9-10/11/12 um)11.10 K
Observed - Background BTD (3.9-10/11/12 um)1.99 K
BTD Anomaly (3.9-10/11/12 um)3.94 K
Similar Pixel Count25
BT Time Tendency (3.9 um)1.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.18
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power8.94 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 55.50°
Mean Solar Zenith Angle 37.90°
Mean Glint Angle65.40°
Water Fraction0.00
Total Pixel Area 7.10 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) IN
Country/Countries United States
County/Locality(s) Spencer County, IN
NWS WFO Paducah KY
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:41:51UTC
Radiative Center (Lat, Lon): 37.810555°, -87.102776°
Nearby Counties (meeting notification criteria):
  • Spencer County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power25.36 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)307.92 K
Observed - Background BT (3.9 um)7.78 K
BT Anomaly (3.9 um)5.18 K
Maximum Observed - Clear RTM BT (3.9 um)18.47 K
Maximum Observed BTD (3.9-10/11/12 um)20.23 K
Observed - Background BTD (3.9-10/11/12 um)7.22 K
BTD Anomaly (3.9-10/11/12 um)4.55 K
Similar Pixel Count12
BT Time Tendency (3.9 um)4.40 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.81
Fraction of Surrounding Red Channel Pixels that are Brighter0.98
Maximum Radiative Power25.36 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.80°
Mean Solar Zenith Angle 46.90°
Mean Glint Angle63.50°
Water Fraction0.00
Total Pixel Area 5.70 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 20:42:52UTC
Radiative Center (Lat, Lon): 29.459444°, -82.615837°
Nearby Counties (meeting notification criteria):
  • Levy County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power61.99 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)314.87 K
Observed - Background BT (3.9 um)8.50 K
BT Anomaly (3.9 um)3.85 K
Maximum Observed - Clear RTM BT (3.9 um)16.43 K
Maximum Observed BTD (3.9-10/11/12 um)15.52 K
Observed - Background BTD (3.9-10/11/12 um)8.78 K
BTD Anomaly (3.9-10/11/12 um)7.99 K
Similar Pixel Count2
BT Time Tendency (3.9 um)7.50 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.42
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power34.28 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 35.50°
Mean Solar Zenith Angle 48.00°
Mean Glint Angle55.30°
Water Fraction0.00
Total Pixel Area 9.80 km2
Latest Satellite Imagery:
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Possible Wildfire

Basic Information
State/Province(s) FL
Country/Countries United States
County/Locality(s) Charlotte County, FL
NWS WFO Tampa Bay Ruskin FL
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2026-04-21 20:42:52UTC
Radiative Center (Lat, Lon): 26.913610°, -81.966667°
Nearby Counties (meeting notification criteria):
  • Charlotte County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power27.41 MW
Map:
Additional Information
Notification Status New Feature
Type of EventCritical Fire Risk (NWS/SPC) and Red Flag Warning (NWS)
Event Priority Ranking1
Maximum Observed BT (3.9 um)312.97 K
Observed - Background BT (3.9 um)8.82 K
BT Anomaly (3.9 um)6.30 K
Maximum Observed - Clear RTM BT (3.9 um)14.79 K
Maximum Observed BTD (3.9-10/11/12 um)15.11 K
Observed - Background BTD (3.9-10/11/12 um)8.51 K
BTD Anomaly (3.9-10/11/12 um)14.27 K
Similar Pixel Count0
BT Time Tendency (3.9 um)7.30 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.72
Fraction of Surrounding Red Channel Pixels that are Brighter0.95
Maximum Radiative Power27.41 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 32.50°
Mean Solar Zenith Angle 48.20°
Mean Glint Angle52.80°
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 Cuba
County/Locality(s) Unknown, Unknown
NWS WFO N/A
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2026-04-21 20:43:22UTC
Radiative Center (Lat, Lon): 21.283611°, -78.302780°
Nearby Counties (meeting notification criteria):
  • Unknown (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power23.39 MW
Map:
Additional Information
Notification Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.33 K
Observed - Background BT (3.9 um)6.29 K
BT Anomaly (3.9 um)6.42 K
Maximum Observed - Clear RTM BT (3.9 um)6.76 K
Maximum Observed BTD (3.9-10/11/12 um)15.89 K
Observed - Background BTD (3.9-10/11/12 um)5.21 K
BTD Anomaly (3.9-10/11/12 um)7.53 K
Similar Pixel Count14
BT Time Tendency (3.9 um)4.70 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.99
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power11.97 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 25.30°
Mean Solar Zenith Angle 51.00°
Mean Glint Angle52.70°
Water Fraction0.00
Total Pixel Area 8.80 km2
Latest Satellite Imagery:
  • None Available
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