PyroCb in Saskatchewan

According to the Canadian Wildland Fire Information System on 07 June a fire called 15BN-BRADY started. By 24 June it was reported that a pyroCb was produced from this fire around 23:00 UTC in Saskatchewan (56.8 N 109.3 W). By 25 June the fire has grown to 7,115 hectares. GOES-15 detected the smoke plume and pyroCb cloud, as well as the fire hot spot. Starting at 21:00 UTC on 24 June, the animation below shows visible (.63 μm) on the left and shortwave IR (3.9 μm) on the right (click image to play animation). In the shortwave IR images the red pixels indicate very hot IR brightness temperatures exhibited by the fire source region.

GOES-15 0.63 μm visible (left) and 3.9 μm shortwave IR (right) images (click to play animation)

GOES-15 0.63 μm visible (left) and 3.9 μm shortwave IR (right) images (click to play animation)

Also, using GOES-15 10.7 μm IR channel the cloud-top IR brightness temperature could be found. The animation below, starting at 21:00 UTC on 24 June, shows the brightness temperature of this pyroCb reaching -59.2ºC (lime green/yellow color enhancement) around 00:30 UTC on 25 June.

GOES-15 10.7 μm IR images (click to play animation)

GOES-15 10.7 μm IR images (click to play animation)

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