Strengthening Storm in the Upper Great Lakes; Thunderstorms in the Ohio Valley and Mid-Atlantic

A strengthening storm system over the Upper Great Lakes will bring moderate to heavy snow to the Upper Peninsula of Michigan through Tuesday morning. Ahead of this system, strong to severe storms may develop over the Ohio Valley, portions of the Appalachians, and the Mid Atlantic Monday. Read More >

How to report severe weather:

Via email at, sr-fwd.webmaster@noaa.gov
Facebook
Twitter @NWSFortWorth
mPING app
Calling: 1-800-792-2257

When to send a storm report?

When you can do safely, please send us a report when you observe one or more of the following:

Tornado
Hail
- 0.25" or less - Pea
- 0.50" - Mothball
- 0.75" - Dime/Penny
- 0.88" - Nickel
- 1.00" - Quarter
- 1.25" - Half Dollar
- 1.50" - Walnut/Ping Pong
- 1.75" - Golf Ball
- 2.00" - Hen Egg
- 2.50" - Tennis Ball
- 2.75" - Baseball
- 3.00" - Tea Cup
- 4.00" - Grapefruit
- 4.50" - Softball
Wind damage.
Flooding
Snowfall
Rainfall

Definitions:

Tornado: A violently rotating column of air, usually pendant to a cumulonimbus, with circulation reaching the ground. It nearly always starts as a funnel cloud and may be accompanied by a loud roaring noise. On a local scale, it is the most destructive of all atmospheric phenomena.
Severe Thunderstorm: A thunderstorm that produces a tornado, winds of at least 58 mph (50 knots), and/or hail at least 1" in diameter. Structural wind damage may imply the occurrence of a severe thunderstorm. A thunderstorm wind equal to or greater than 40 mph (35 knots) and/or hail of at least ½" is defined as approaching severe.
Flash Flood: A flood which is caused by heavy or excessive rainfall in a short period of time, generally less than 6 hours. Also, at times a dam failure can cause a flash flood, depending on the type of dam and time period during which the break occurs.

Please include in your report, the location (town and county) and time/date that the severe weather occurred.

If you can supply a picture of the severe weather you are experiencing, please do.

View Storm Reports:

National Storm Reports from the Storm Prediction Center.

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Strengthening Storm in the Upper Great Lakes; Thunderstorms in the Ohio Valley and Mid-Atlantic

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How to report severe weather: