National Weather Service United States Department of Commerce

Heat Continues for the East and South-Central U.S.; Strong to Severe Storms Across the Mid-Atlantic and Northeast

The extremely dangerous heat wave continues across the East Coast and much of the South-Central U.S. today. Record high temperatures are expected for some areas especially across the Mid-Atlantic where extreme heat risk conditions reside. There is a Slight Risk (level 2 of 5) of severe thunderstorms today for the northern Mid-Atlantic into portions of southern New England. Read More >

Fire Weather Wind Adjustment Tool


UNSHELTERED FUELS: Fuel exposed directly to the wind. No or sparse overstory. Fuel beneath timber that has lost its foliage; fuel beneath timber near clearings or clearcuts; fuel on high ridges where trees offer little shelter from the wind.

1. Fuels usually partially sheltered.
2. Fuels
usually fully sheltered.

Fuel Model

4
California
Chaparal

20' RAWS Wind

Eye Level Wind
(midflame)

13
Heavy Slash
20' RAWS Wind

Eye Level Wind
(midflame)

1, 21, 3
Grass

5, 6, 71
Shrub/Brush

8, 9, 102
Timber litter

11, 12
Light/Medium Slash
20' RAWS Wind

Eye Level Wind
(midflame)


PARTIALLY SHELTERED FUELS: Fuel beneath patchy timber where it is not well sheltered; fuel beneath standing timber at midslope or higher on a mountain with wind blowing directly at the slope.
20' RAWS Wind

Eye Level Wind
(midflame)


FULLY SHELTERED FUELS: Fuel sheltered beneath standing timber on flat or gentle slope or near base of mountain with steep slopes.
Open Stands
20' RAWS Wind

Eye Level Wind
(midflame)

Dense Stands
20' RAWS Wind

Eye Level Wind
(midflame)