STP 05-08-2016: Ingredients Came Together for a May Thunderstorm Day

Issue Date: Sunday, May 8th, 2015
Issue Time: 9:00 AM MDT

Summary:

Showers and thunderstorms dotted most of the state yesterday, with a few becoming severe over the Northeastern Plains, Palmer Ridge, and Urban Corridor. Moderate-to-heavy rainfall attended the strongest storms across northern Colorado, but was not enough to cause any flash flooding issues. Street/field ponding was a likely result, and a small stream flood advisory was issued for portions of Morgan, Washington, and Adams Counties. According to CoCoRaHS, the big winners for rainfall reports yesterday are as follows:

Sedgwick County: 1.50 inches
Phillips County: 1.36 inches
Larimer County: 1.29 inches
Weld County: 1.27 inches

Now, let’s take a look at those severe storm reports…

Hail Reports (1.5 inches or Greater):
2.50 inches: 1 mile NW of Strasburg (Adams County), 4 miles NW of Alvin (Yuma County)
1.75 inches: 6 miles SE of Holyoke (Phillips County), 2 miles S of Strasburg (Arapahoe County), 3 miles WSW of Country Gardens (Arapahoe County)
1.50 inches: 1 mile WNW of Strasburg (Arapahoe County), 2 miles NW of Strasburg (Adams County), 3 miles N of Black Forest (El Paso County)

Tornado:
Morgan County: 13 miles W of New Raymer, 10 miles N of Wiggins
Weld County: 5 miles W of Wiggins
Yuma County: 4 miles N of Heartstrong, 5 miles NNE of Eckley, 4 miles SSW of Wray, 3 miles S of Wray, N Wray, 15 miles N of Wray, 2 miles of N Wray, 7 miles N of Wray, 10 miles NNE of Wray

Please see the STP map below for a look at precipitation totals from the last 24 hours. Keep in mind that totals associated with severe storms are likely to be inflated due to hail contamination.

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Storm Total Precip Legend