Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Overview

A strong late-season storm system brought rain, a few thunderstorms, gusty winds and snow to the region on March 19, 2020, which happened to be the 1st day of Spring this year! The heaviest rainfall occurred over northwest Iowa, where several locations reported 1-1.5 inches of rain and/or melted snow. This includes a new daily record precipitation in Sioux City for March 19th. Overall snowfall amounts were in the 1-4 inch range, with a couple of embedded heavier bands with isolated amounts of 4-6 inches.

Regional Radar Loop
4am March 19 through 6am March 20, 2020

Snow/Ice
Radar
Rainfall
Wind

Snow/Ice

Plot of snowfall reports

List of Snowfall Reports

Radar

Header


Radar Loop 4am-10am Note the white dots, indicating detected lightning strikes	Radar Loop 10am-4pm The transition to snow begins in northwest portions of the region.	Radar Loop 4pm-10pm Most areas change over to snow during this time period.	Radar Loop 10pm Thursday-4am Friday Transition to snow works into far southeast portions of the region before precipitation moves east of the area.