On Wednesday at 7:04 p.m. the National Weather Service released an updated fire weather watch valid for Thursday between noon and 8 p.m. for Oldham and Deaf Smith counties.
20-foot winds: West 15 to 25 mph with gusts up to 35 mph.
Relative humidity: As low as 9 percent.
Red Flag Threat Index: 3 to 5
According to the NWS, 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
