Excessive Heat Continues for the Pacific Northwest; Flooding Impacts Expected in the Southwest U.S.
A dangerous heat wave persists for the Northwest into portions of California today with excessive heat warnings and heat advisories in effect. The active monsoon pattern with organized showers and thunderstorms and possible flash flooding with debris
flows continues and will become enhanced in the Southwestern U.S. through Saturday.
Hazardous Weather Conditions
High and low forecast temperature values represent air temperature.
Last Update: 2:40 pm EDT Aug 18, 2022
Forecast Valid: 3pm EDT Aug 18, 2022-6pm EDT Aug 24, 2022
Gulf Stream Hazards...Locally elevated winds and/or seas near thunderstorms.
The approximate location of the west wall of the Gulf Stream as of Aug 18, 2022 at 12 UTC...
12 nautical miles east southeast of Lake Worth. 13 nautical miles northeast of Jupiter Inlet.
This data courtesy of the Naval Oceanographic Office.
- 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.