Temperatures in the Champlain Valley as low as 30 will result in frost formation that could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. Take steps now to protect tender plants from the cold. Read More >
Choose Element: | Click here for element descriptions |
Sustained Wind Speed | Descriptive Term |
---|---|
40 mph or greater | Strong, dangerous, or damaging |
30-40 mph | Very Windy |
20-30 mph | Windy |
15-25 mph | Breezy, Brisk, or Blustery |
5-15 mph or 10-20 mph | None |
0-5 mph | Light or light and variable wind |
Category | Classification | Heat Index/Apparent Temperature (°F) | General Affect on People in High Risk Groups |
---|---|---|---|
IV | Extremely Hot | 130°F or Higher | Heat/Sunstroke HIGHLY LIKELY with continued exposure |
III | Very Hot | 105°F - 130°F | Sunstroke, heat cramps, or heat exhaustion LIKELY, and heatstroke POSSIBLE with prolonged exposure and/or physical activity |
II | Hot | 90°F - 105°F | Sunstroke, heat cramps, or heat exhaustion POSSIBLE with prolonged exposure and/or physical activity |
I | Very Warm | 80°F - 90°F | Fatigue POSSIBLE with prolonged exposure and/or physical activity |
Lifted Index (LI) | Thunderstorm Indication |
---|---|
< -5 | Very Unstable, Heavy/strong thunderstorm potential |
-3 to -5 | Unstable, Thunderstorms probable |
0 to -2 | Marginally Unstable, Thunderstorms possible |