Weather Alert in Arkansas
Red Flag Warning issued February 18 at 11:30AM CST until February 19 at 8:00PM CST by NWS Tulsa OK
AREAS AFFECTED: Benton; Carroll; Washington; Madison; Osage; Washington; Nowata; Craig; Ottawa; Pawnee; Tulsa; Rogers; Mayes; Delaware; Creek; Okfuskee; Okmulgee; Wagoner; Cherokee; Adair; Muskogee; McIntosh
DESCRIPTION: ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 8 PM CST THURSDAY FOR VERY DRY AND WINDY CONDITIONS FOR PORTIONS OF NORTHEAST OKLAHOMA AND FAR NORTHWEST ARKANSAS... The National Weather Service in Tulsa has issued a Red Flag Warning, which is in effect from 9 AM to 8 PM CST Thursday. The Fire Weather Watch is no longer in effect. * WIND...West to west-northwest at 15 to 25 mph, gusting to 35 mph. * HUMIDITY...10 to 20 percent. * TEMPERATURE...Upper 60s to Lower 70s. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.
INSTRUCTION: A red flag warning means that a dangerous combination of weather conditions and dry vegetation is expected within 24 hours, favoring rapid growth and spread of any wildfires. The primary weather factors include stronger winds, lower humidities, and warmer temperatures.
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Weather Topic: What are Fractus Clouds?
Home - Education - Cloud Types - 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
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
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