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.
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Hazardous Weather Conditions
For More Weather Information:
This
Afternoon
Light Wind
< 1ftTonight
Light Wind
< 1ftFriday
SE 10kt
< 1ftFriday
Night
E 15kt
1-2ftSaturday
E 15kt
2ftSaturday
Night
E 15kt
2ftSunday
E 15kt
2ftSunday
Night
E 15kt
2ftMonday
E 15kt
1-2ft
High and low forecast temperature values represent air temperature.
Associated Zone Forecast which includes this point
Last Update: 2:15 pm CDT Aug 18, 2022
Forecast Valid: 3pm CDT Aug 18, 2022-6pm CDT Aug 24, 2022
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Detailed Forecast
Synopsis: A weak pressure pattern will persist across Florida
Keys coastal waters today and tonight, resulting in continued
light and occasionally variable breezes. Thereafter, an Atlantic
high pressure ridge will build westward, and shift northward,
resulting in freshening east to southeast breezes and increased
shower coverage Friday through Sunday. A period of fresh breezes
is likely on Sunday and Sunday night.
The Approximate Shoreward Edge of the Gulf Stream as of August 18...
43 NM South of Dry Tortugas Light...on Loggerhead Key. 29 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 26 NM South of Sand Key Light...off Key West. 28 NM South of Looe Key...off Big Pine Key. 27 NM South of Sombrero Key Light...off Marathon. 21 NM Southeast of Alligator Reef Light...off Islamorada. 40 NM Southeast of Molasses Reef Light...off Key Largo.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
The Approximate Shoreward Edge of the Gulf Stream as of August 18...
43 NM South of Dry Tortugas Light...on Loggerhead Key. 29 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 26 NM South of Sand Key Light...off Key West. 28 NM South of Looe Key...off Big Pine Key. 27 NM South of Sombrero Key Light...off Marathon. 21 NM Southeast of Alligator Reef Light...off Islamorada. 40 NM Southeast of Molasses Reef Light...off Key Largo.
Gulf Stream Information Courtesy of the Naval Oceanographic Office.
This Afternoon
Variable winds 5 kt or less. Isolated showers and thunderstorms. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Isolated showers and thunderstorms. Seas 1 ft or less.
Friday
SE wind 5 to 10 kt. Isolated showers and thunderstorms. Seas 1 ft or less.
Friday Night
E wind 10 to 15 kt. Scattered showers and thunderstorms. Seas 1 to 2 ft.
Saturday
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 2 ft.
Saturday Night
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 2 ft.
Sunday
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 2 ft.
Sunday Night
E wind around 15 kt. Scattered showers and thunderstorms. Seas around 2 ft.
Monday
E wind 10 to 15 kt. Scattered showers and thunderstorms. Seas 1 to 2 ft.
*Notices:
- 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.
Additional Forecasts and Information
ABOUT THIS FORECAST
| Point Forecast: | 24.97°N 80.54°W |
| Last Update: | 2:15 pm CDT Aug 18, 2022 |
| Forecast Valid: | 3pm CDT Aug 18, 2022-6pm CDT Aug 24, 2022 |
| Forecast Discussion | |
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RADAR & SATELLITE IMAGES
