Weather Alert in Louisiana

Recent Locations: Hester, LA  

Severe Thunderstorm Warning issued March 15 at 8:06PM CDT until March 15 at 9:00PM CDT by NWS Shreveport LA

AREAS AFFECTED: Grant, LA; Natchitoches, LA; Red River, LA; Sabine, LA; Winn, LA

DESCRIPTION: SVRSHV The National Weather Service in Shreveport has issued a * Severe Thunderstorm Warning for... West Central Grant Parish in north central Louisiana... Southwestern Winn Parish in north central Louisiana... Natchitoches Parish in northwestern Louisiana... Southeastern Red River Parish in northwestern Louisiana... Northeastern Sabine Parish in northwestern Louisiana... * Until 900 PM CDT. * At 806 PM CDT, severe thunderstorms were located along a line from near Campti to 6 miles east of Many, or along a line from 16 miles north of Natchitoches to 20 miles southwest of Natchitoches, moving southeast at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Natchitoches, Campti, Montgomery, Allen, Provencal, Natchez, Clarence, Goldonna, Calvin, Robeline, Atlanta, Powhatan, Grand Ecore, St. Maurice, Bermuda, Clear Lake, Flora, Hagewood and Cypress.

INSTRUCTION: Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail. A Tornado Watch remains in effect until 1200 AM CDT for portions of north central and northwest Louisiana.

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Weather Topic: What are Cirrus Clouds?

Home - Education - Cloud Types - Cirrus Clouds

Cirrus Clouds Next Topic: Condensation

Cirrus clouds are high-level clouds that occur above 20,000 feet and are composed mainly of ice crystals. They are thin and wispy in appearance.

What do they indicate?
They are often the first sign of an approaching storm.

Next Topic: Condensation

Weather Topic: What are Contrails?

Home - Education - Cloud Types - Contrails

Contrails Next Topic: Cumulonimbus Clouds

A contrail is an artificial cloud, created by the passing of an aircraft.

Contrails form because water vapor in the exhaust of aircraft engines is suspended in the air under certain temperatures and humidity conditions. These contrails are called exhaust contrails.

Another type of contrail can form due to a temporary reduction in air pressure moving over the plane's surface, causing condensation. These are called aerodynamic contrails.

When you can see your breath on a cold day, it is also because of condensation. The reason contrails last longer than the condensation from your breath is because the water in contrails freezes into ice particles.

Next Topic: Cumulonimbus Clouds

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