Widespread Summer Heat; Multiple Spots For Severe Weather
A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are possible from the Mid-Atlantic to the Ohio Valley and central Plains.
Last Update: 2:44 pm PDT Aug 20, 2019
Forecast Valid: 6pm PDT Aug 20, 2019-6pm PDT Aug 27, 2019
- This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
- The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.