Cross-Country Storm Unleashes Diverse Weather Threats Across the US
A formidable cross-country storm system that initially unleashed heavy snow across the West has now veered eastward, placing nearly 55 million people in the Midwest and Great Lakes regions on high alert for severe weather. As it continues its journey, the storm is set to impact the eastern U.S. with widespread rain and potential snow by mid-week.
In the West, the storm made its initial mark by blanketing the Cascades in Washington state with heavy snow and high winds, conditions that will persist as the system moves through the northern and central Rockies. Snowfall rates reaching 1-2 inches per hour have been reported, with total accumulations potentially exceeding two feet in the Cascades and reaching up to four feet in localized areas. An estimated 55 million individuals are at risk of severe weather, including major metropolitan areas such as Chicago, Indianapolis, and Detroit.
Towards the Midwest, the storm’s path is set to affect over 53 million people with the threat of severe weather. The NOAA Storm Prediction Centre has issued a Level 2 out of 5 risk for severe thunderstorms across a broad area, highlighting the potential for large hail, damaging wind gusts, and tornadoes, which could lead to significant property damage and pose threats to life.
In the East, it is expected to bring widespread rain and potential snow by mid-week. The Ohio Valley, along with parts of western Pennsylvania and Northern West Virginia, are anticipated to receive the heaviest rainfall, with some areas expecting several inches. Southern New England is also preparing for an inch or two of rain, with colder temperatures in the forecast allowing for the possibility of snow in higher elevations of upstate New York and northern New England.
Cross-Country Storm Unleashes Diverse Weather Threats Across the US: Actionable Insights on EigenPrism
Post-event
All EigenPrism® users can assess the post-event impact of the snow accumulation using the following event footprint:
72-hour observed snow accumulation as of 2024-02-27
Forecast
All EigenPrism® users can assess the forecast of this multi-peril event using the following report templates:
US Severe Weather Feb 2024 Forecast Report
The report template auto-updates with the latest available forecasts, which include:
- WPC 3-Day Excessive Rainfall Outlook
- 72-hour observed snow accumulation
- Significant Hail Day 1 Outlook
- Tornado/High Winds estimated via Low-level Rotation Tracks
Winter Severity Component Report Template
This report template consists of the summary level (Potential Overall Winter Storm Impact) and all six component WSSI datasets from NWS:
- Potential Snow Amount Impact,
- Potential Snow Load Impact,
- Potential Ground Blizzard Impact,
- Potential Ice Accumulation Impact,
- Potential Blowing Snow Impact, and
- Potential Winter Storm Flash Freeze Impact
The report template auto-updates with the latest available datasets.
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