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Day 2 Outlook >
WPC Day 1 Excessive Rainfall Outlook Risk of 1 to 6 hour rainfall exceeding flash flood guidance at a point
Updated: 0801 UTC Wed Mar 22, 2023
Valid: 12 UTC Mar 22, 2023 - 12 UTC Mar 23, 2023
Forecast Discussion
Excessive Rainfall Discussion
NWS Weather Prediction Center College Park MD
403 AM EDT Wed Mar 22 2023
Day 1
Valid 12Z Wed Mar 22 2023 - 12Z Thu Mar 23 2023
...THERE IS A MARGINAL FOR EXCESSIVE RAINFALL ACROSS SOUTHERN
CALIFORNIA AND CENTRAL ARIZONA...
Lingering rains from a departing AR will continue as the upper
trough tracks from southern California into the Desert Southwest.
New accumulations of 1 to 2 inches (mainly focused in/near the
terrain) that fall on areas that are already hydrologically
sensitive to additional precipitation will keep the potential for
excessive rainfall going over portions of southern California and
central Arizona.
Campbell
Day 1 threat area: www.wpc.ncep.noaa.gov/qpf/94epoints.txt
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