1405 UTC April 30 2025: Expect at 15-20 min NGFS outage while updates are installed.

Wildfire Alert
Aid: 1033509
Alert Type: Possible Wildfire
Date: 2025-04-23 19:26:17 Show details

Basic Information
State/Province(s) IA
Country/Countries United States
County/Locality(s) Howard County, IA
NWS WFO La Crosse WI
Identification MethodEnhanced Contextual (Cloud)
Mean Object Date/Time2025-04-23 19:26:21UTC
Radiative Center (Lat, Lon): 43.429722°, -92.194168°
Nearby Counties (meeting alert criteria):
  • Howard County (0.00 km)
Total Radiative Power Anomalyn/a
Total Radiative Power33.74 MW
Map:
Additional Information
Alert Status New Feature
Type of EventNominal Risk
Event Priority Ranking4
Maximum Observed BT (3.9 um)308.14 K
Observed - Background BT (3.9 um)7.84 K
BT Anomaly (3.9 um)7.54 K
Maximum Observed - Clear RTM BT (3.9 um)18.76 K
Maximum Observed BTD (3.9-10/11/12 um)22.71 K
Observed - Background BTD (3.9-10/11/12 um)7.83 K
BTD Anomaly (3.9-10/11/12 um)10.68 K
Similar Pixel Count0
BT Time Tendency (3.9 um)7.00 K
Image Interval5.00 minutes
Fraction of Surrounding LWIR Pixels that are Colder0.81
Fraction of Surrounding Red Channel Pixels that are Brighter0.74
Maximum Radiative Power33.74 MW
Maximum Radiative Power Uncertainty0.00 MW
Total Radiative Power Uncertainty0.00 MW
Mean Viewing Angle 53.20°
Mean Solar Zenith Angle 35.60°
Mean Glint Angle75.80°
Water Fraction0.00
Total Pixel Area 6.70 km2
Latest Satellite Imagery:
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