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U.S. Day 3-7 Hazards Outlook
About the Hazards Outlook
 
Created March 24, 2023
 
NOTE:
These products are only created Monday through Friday. Please exercise caution using this outlook during the weekend.
 
Precipitation
Temperature
Soils
 
Valid March 27, 2023 - March 31, 2023

For the most up to date information on the flooding areas, please refer to the National Flood Outlook

 
Static Hazards Map Image
 
CPC's Day 8-14 US Hazards Outlook
 

US Day 3-7 Hazards Outlook
NWS Weather Prediction Center College Park MD
354 PM EDT Fri Mar 24 2023

Valid Monday March 27 2023 - Friday March 31 2023

Hazards:
- Heavy rain across portions of California and the Pacific Northwest, Mon-Tue, Mar 27-Mar 28.
- Heavy rain across portions of the Southeast, the Lower Mississippi Valley, and the Tennessee
Valley, Mon, Mar 27.
- Heavy snow across portions of California, Mon-Wed, Mar 27-Mar 29.
- Severe weather across portions of the Central Plains and the Southern Plains, Thu, Mar 30.
- Flooding possible across portions of the Great Lakes, the Middle Mississippi Valley, the Lower
Mississippi Valley, the Southern Plains, and the Ohio Valley.
- Flooding occurring or imminent across portions of the Lower Mississippi Valley.
- Flooding likely across portions of the Middle/Lower Mississippi Valley, the Southern Plains, and
the Ohio Valley.
- Heavy precipitation across portions of the Alaska Panhandle, Thu, Mar 30.

Detailed Summary:

. . . CONUS . . .

On Monday, low pressure off the Pacific Northwest Coast will deepen and move southward along the
Northern California Coast. The circulation around the low will stream moisture into California,
producing an area of Heavy Snow over parts of the higher elevations of Northern California and the
Sierra Nevada Mountains from Monday through Wednesday. However, the Heavy Snow will wane on
Wednesday. Moreover, the system will also produce an area of Heavy Rain along the lower elevations
and coastal regions of Northern/Central California and the southwestern corner of Oregon on Monday
and Tuesday.

By Wednesday, the low will move over the Great Basin and continue to move eastward to the Southern
High Plains by Thursday. As the low moves out of the Rockies, moisture from the Western Gulf of
Mexico will stream northward over the Plains and destabilize the atmosphere over the Southern
Plains on Thursday. On Thursday, the SPC delineated an area where Severe Weather may develop over
parts of the Central/Southern Plains.

Meanwhile, a front extending from the Southeast Coast to the Tennessee Valley and then across the
Western Gulf Coast will slowly move southward over the Gulf of Mexico and the southern tip of
Florida by Wednesday. Moisture pooling along the boundary will aid in creating an area of Heavy
Rain from parts of the Central Gulf Coast northeastward to the Southeastern Coast on Monday.

. . .Alaska. . .

A front moving across the state will produce snow along and ahead of the boundary on Monday into
Tuesday. Later on Tuesday into Wednesday, high pressure will build over the Mainland. Moreover, on
Wednesday, deep low pressure over the Bering Sea will move to the Southwest Mainland Coast by
Thursday. Also, a new low will develop over the Gulf of Alaska on Thursday and move to the
Panhandle by Friday. The circulation around the low will stream moisture into the Panhandle,
producing an area of Heavy Precipitation over parts of the Alaska Panhandle on Thursday. On Friday,
the precipitation will drop below the criteria for a hazard.



Ziegenfelder


 
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