Jan 2026: Due to an ongoing data center cooling system construction project, NGFS data outages may occur with little or no notice. Bitterly cold air in Madison Jan 22-24 increases risk of outages.

Wildfire Alert Report

Date: 2025-12-21
Time: 17:21:18
Production Date and Time: 2025-12-21 17:26:06 UTC
Primary Instrument: GOES-19 ABI
Wmo Spacecraft Id: 666
Location/orbit: GEO
L1 File: OR_ABI-L1b-RadC-M6C14_G19_s20253551721183_e20253551723556_c20253551724055.nc
L1 File(s) - TemporalOR_ABI-L1b-RadC-M6C14_G19_s20253551716183_e20253551718556_c20253551719059.nc
Number Of Thermal Anomaly Alerts: 3
More details ▼ Hide details ▲

Possible Wildfire

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Decatur County, IA
NWS WFO Des Moines IA
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-12-21 17:21:51UTC
Radiative Center (Lat, Lon): 40.814999°, -93.618332°
Nearby Counties (meeting alert criteria):
  • Decatur County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power18.77 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.50 K
Observed - Background BT (3.9 um)8.44 K
BT Anomaly (3.9 um)9.50 K
Maximum Observed - Clear RTM BT (3.9 um)15.97 K
Maximum Observed BTD (3.9-10/11/12 um)15.49 K
Observed - Background BTD (3.9-10/11/12 um)8.16 K
BTD Anomaly (3.9-10/11/12 um)9.82 K
Similar Pixel Count0
BT Time Tendency (3.9 um)7.60 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.75
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power18.77 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 51.10°
Mean Solar Zenith Angle 65.30°
Mean Glint Angle115.00°
Water Fraction0.00
Total Pixel Area 6.40 km2
Latest Satellite Imagery:
Show More Show Less View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) AR
Country/Countries United States
County/Locality(s) Randolph County, AR
NWS WFO Little Rock AR
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-12-21 17:21:52UTC
Radiative Center (Lat, Lon): 36.443333°, -90.853615°
Nearby Counties (meeting alert criteria):
  • Randolph County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power9.26 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)292.66 K
Observed - Background BT (3.9 um)4.11 K
BT Anomaly (3.9 um)4.36 K
Maximum Observed - Clear RTM BT (3.9 um)11.95 K
Maximum Observed BTD (3.9-10/11/12 um)10.69 K
Observed - Background BTD (3.9-10/11/12 um)3.80 K
BTD Anomaly (3.9-10/11/12 um)4.69 K
Similar Pixel Count10
BT Time Tendency (3.9 um)3.20 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.48
Fraction of Surrounding Red Channel Pixels that are Brighter0.96
Maximum Radiative Power9.26 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 45.60°
Mean Solar Zenith Angle 60.60°
Mean Glint Angle105.00°
Water Fraction0.00
Total Pixel Area 5.70 km2
Latest Satellite Imagery:
Show More Show Less View all event imagery »

Possible Wildfire

Basic Information
State/Province(s) GA
Country/Countries United States
County/Locality(s) Washington County, GA
NWS WFO Peachtree City GA
Identification MethodEnhanced Contextual (Clear)
Mean Object Date/Time2025-12-21 17:22:23UTC
Radiative Center (Lat, Lon): 33.096111°, -82.832779°
Nearby Counties (meeting alert criteria):
  • Washington County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power4.56 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Fire Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)296.28 K
Observed - Background BT (3.9 um)2.01 K
BT Anomaly (3.9 um)2.17 K
Maximum Observed - Clear RTM BT (3.9 um)7.37 K
Maximum Observed BTD (3.9-10/11/12 um)8.23 K
Observed - Background BTD (3.9-10/11/12 um)1.81 K
BTD Anomaly (3.9-10/11/12 um)4.17 K
Similar Pixel Count25
BT Time Tendency (3.9 um)0.90 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.65
Fraction of Surrounding Red Channel Pixels that are Brighter1.00
Maximum Radiative Power4.56 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 39.50°
Mean Solar Zenith Angle 56.50°
Mean Glint Angle95.40°
Water Fraction0.00
Total Pixel Area 5.20 km2
Latest Satellite Imagery:
Show More Show Less View all event imagery »