Ever wondered what we mean when we say “multi-vortex tornado?”

Each of these “subvortices” are like miniature tornadoes that orbit a common center. They add/subtract from main vortex’s spin, leading to narrow swaths of extreme damage.

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Matthew Cappucci intercepting another tornado in Oklahoma tonight.

Intense storm hit Southern Frederick County in Md earlier this evening producing hail and strong wind gusts.

Here are a couple photos from Rebecca Ali in Adamstown.

7:04 pm: Previously severe warned storm in Frederick County has weakened but another around Sterling is blossoming. It's tracking parallel to the Potomac about to enter Fairfax County.

Capital Weather Gang hail rolling through Frederick Co, MD about 15 mins ago

Capital Weather Gang Dime sized hail in Urbana. Came down heavy for a few minutes

Severe Thunderstorm Warning including Frederick MD, Urbana MD and Adamstown MD until 7:15 PM EDT

6:34 pm: Can see that on 3d radar. Heavier precipitation well into the frozen layer creating hail.

Wow, Capital Weather Gang, this warned storm over northern Loudoun County blew up fast! Marble-sized hail in Taylorstown.

Greenfield, Iowa tornado rated EF4 — although evaluation of damage continues so perhaps not the final rating.

6:24 pm: A couple raindrops locally but potent storm in northern Loudoun County and moving into Frederick County. Severe storm warning for it until 645 p.m. for potential of damaging wind gusts. Point of Rocks to Ballenger Creek in line.

PM Update: Scattered showers and storms this evening, possibly strong wapo.st/3VdLVBS

705 tornadoes have formed this year, sixth-most on record to date. There will probably be quite a few more through the holiday weekend in the central states.

Might even have to watch for an outside chance in the Mid-Atlantic on Memorial Day ⬇️

washingtonpost.com/weather/2024/0…

NOAA officials on the hurricane outlook:
'This season is looking to be an extraordinary one,” Rick Spinrad, NOAA

“All the ingredients are definitely in place to have an active season,' NWS Director

BREAKING: NOAA is predicting extremely active Atlantic hurricane season with 17 to 25 named storms, 8 to 13 hurricane and 4 to 7 major hurricanes. It is its most aggressive May forecast ever made.

Read more ⬇️

washingtonpost.com/weather/2024/0…

910a: A few showers passing through the DC area over next hour or so. No big deal. Could see some heavier activity later today.