On Wednesday at 3:06 a.m. the National Weather Service released a fire weather watch valid for Thursday between 11 a.m. and 9 p.m. The watch is for Palo Duro Canyon as well as Hemphill, Potter, Carson, Gray, Wheeler, Randall, Armstrong, Donley and Collingsworth counties.
20-foot winds: Southwest 20 to 30 mph with gusts up to 45 mph.
Relative humidity: As low as 8 percent.
Red Flag Threat Index: 5 to 7
A fire weather watch means that critical fire weather conditions are possible. Listen for later forecasts and possible red flag warnings.
What are 20-foot winds?
20-foot winds are the sustained winds averaged over a 10-minute period at a height of 20 feet above the average height of nearby vegetation.
Red Flag Threat Index
RFTI is a numerical value that indicates the severity of the Red Flag fire conditions.
0 Nil
1-2 Elevated
3-4 Critical Low
5-6 Critical High
7-8 Extremely Critical
9-10 Historically Critical
Source: The National Weather Service
