Weather Alert in Arizona

Recent Locations: Quartzsite, AZ  

Red Flag Warning issued April 27 at 1:55AM MST until April 27 at 7:00PM MST by NWS Flagstaff AZ

AREAS AFFECTED: Chuska Mountains and Defiance Plateau; Little Colorado River Valley in Coconino County; Little Colorado River Valley in Navajo County; Little Colorado River Valley in Apache County; White Mountains; Northeast Plateaus and Mesas South of Hwy 264

DESCRIPTION: MST Sun Apr 27 2025/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM MST /11 AM MDT/ THIS MORNING TO 7 PM MST /8 PM MDT/ THIS EVENING FOR THE LITTLE COLORADO RIVER VALLEY, NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264, WHITE MOUNTAINS, CHUSKA MOUNTAINS, AND THE DEFIANCE PLATEAU... * AFFECTED AREA...Locations near Alpine, Buffalo Pass, Dilkon, Eagar-Springerville, Ganado, Holbrook, Kykotsmovi, Pinetop- Lakeside, Saint Johns, Show Low, Snowflake-Taylor, Tuba City, Whiteriver, Window Rock and Winslow. This includes portions of the Apache-Sitgreaves National Forest. * WINDS...Southwest 15 to 25 MPH with gusts up to 45 MPH. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...The combination of gusty winds and low humidity can cause fires to rapidly grow in size and intensity before first responders can contain them.

INSTRUCTION: A Red Flag Warning means that critical fire weather conditions are either occurring or are imminent. A combination of strong winds and low relative humidities can contribute to extreme fire behavior. Please notify field crews of this Red Flag Warning.

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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

Weather Topic: What are Hole Punch Clouds?

Home - Education - Cloud Types - Hole Punch Clouds

Hole Punch Clouds Next Topic: Mammatus Clouds

A hole punch cloud is an unusual occurrence when a disk-shaped hole appears in a cirrostratus, cirrocumulus, or altocumulus cloud.

When part of the cloud forms ice crystals, water droplets in the surrounding area of the cloud evaporate. The effect of this process produces a large elliptical gap in the cloud. The hole punch cloud formation is rare, but it is not specific to any geographic area.

Other names which have been used to describe this phenomena include fallstreak hole, skypunch, and cloud hole.

Next Topic: Mammatus Clouds

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