Weather Alert in Oklahoma

Recent Locations: Broken Arrow, OK Linn, KS Detroit, OR

Current Alerts for Broken Arrow, OK: Flash Flood Warning Flood Watch

Special Weather Statement issued August 11 at 5:04PM CDT by NWS Tulsa OK

AREAS AFFECTED: Craig; Mayes; Delaware

DESCRIPTION: At 504 PM CDT, Doppler radar indicated a strong thunderstorm near Disney, moving northeast at 10 mph. HAZARD...Wind gusts up to 50 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down small tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations in or near the path include... Bernice... Honey Creek State Park... Cherokee State Park... Ketchum... Bernice State Park... Langley... Grove... Disney Little Blue State Park... Spavinaw State Park... Strang... Disney... Hoot Owl... Cleora... Zena... Chloeta... Spavinaw... Jay... Salina...

INSTRUCTION: If outdoors, consider seeking shelter inside a building.

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Weather Topic: What are Fractus Clouds?

Home - Education - Cloud Types - Fractus Clouds

Fractus Clouds Next Topic: Freezing Rain

A fractus cloud (scud) is a fragmented, tattered cloud which has likely been sheared off of another cloud. They are accessory clouds, meaning they develop from parent clouds, and are named in a way which describes the original cloud which contained them.

Fractus clouds which have originated from cumulus clouds are referred to as cumulus fractus, while fractus clouds which have originated from stratus clouds are referred to as stratus fractus. Under certain conditions a fractus cloud might merge with another cloud, or develop into a cumulus cloud, but usually a fractus cloud seen by itself will dissipate rapidly.

They are often observed on the leading and trailing edges of storm clouds, and are a display of wind activity.

Next Topic: Freezing Rain

Weather Topic: What is Graupel?

Home - Education - Precipitation - Graupel

Graupel Next Topic: Hail

Graupel is a form of precipitation that is created by atmospheric conditions which cause supercooled water droplets to contact snow crystals and freeze to their surface.

Sometimes known as soft hail or snow pellets, graupel is delicate and easily destroyed by touch. Whereas hail usually falls during severe weather, graupel doesn't require such conditions to form, and can form in mild precipitation similar to situations which produce snowfall.

Next Topic: Hail