'Gust front' diaporamas de présentation

Thunderstorms and Tornadoes

Chapter 10. Thunderstorms and Tornadoes. Thunderstorms. A storm containing lightning and thunder; convective storms Severe thunderstorms: one of large hail, wind gusts greater than or equal to 50kts, or tornado Ordinary Cell Thunderstorms Air-mass thunderstorms: limited wind sheer

1.15k views • 82 slides

Multicell Storms

Multicell Storms. METR 4433: Mesoscale Meteorology Spring 2006 Semester Adapted from Materials by Drs. Kelvin Droegemeier, Frank Gallagher III and Ming Xue School of Meteorology University of Oklahoma. Multicellular Thunderstorms.

925 views • 69 slides

Multicell Storms

Multicell Storms. METR 4433: Mesoscale Meteorology Spring 2006 Semester Adapted from Materials by Drs. Kelvin Droegemeier, Frank Gallagher III and Ming Xue School of Meteorology University of Oklahoma. Multicellular Thunderstorms.

1.07k views • 69 slides

858 views • 61 slides

Thunderstorms

769 views • 59 slides

Chapter 10: Thunderstorms and Tornadoes

Chapter 10: Thunderstorms and Tornadoes. Thunderstorms Tornadoes Tornadic thunderstorms Severe weather and doppler radar. Thunderstorms. Thunderstorms. What do we already know about thunderstorms? Can produce intense rain, hail, wind, lightning Can make tornadoes

1.08k views • 57 slides

CHAPTER 10

CHAPTER 10. THUNDERSTORM AND TORNADOES. Thunderstorms. This chapter begins an examination of severe weather and begins with a clarification definition

707 views • 56 slides

MESOSCALE WEATHER I

Severe Storms. MSC 243 Lecture #10 5 November 2009. MESOSCALE WEATHER I. Mesoscale Weather. Mesoscale: Pertaining to atmospheric phenomena having horizontal scales ranging from a few to several hundred kilometers. Thunderstorms Squall lines Fronts

844 views • 48 slides

Squall Lines

Squall Lines. Squall Lines. Definitions Mesoscale Convective Systems Squall Lines Environmental Characteristics Structure and Conceptual Model Three General Types Classic 2-D Structure 2-D Evolution 3-D Evolution Bow Echoes Forecasting. Definitions.

667 views • 46 slides

Chapter 11: severe weather!!

Chapter 11: severe weather!!. thunderstorms (classification) tornadoes lightning, and hail. Thunderstorm classification a brief review. Thunderstorms often cluster into systems 100 miles or more in size. These are called mesoscale convective systems. MCSs come in many shapes,

481 views • 36 slides

EXTREME WINDS Thunderstorm, Gust Front, Microburst

EXTREME WINDS Thunderstorm, Gust Front, Microburst. Hossein Ghaednia Instructor Dr. S. Cheng Civil and Environmental Engineering Department University of Windsor March 29th 2011. Outline. History Review Physical Nature Simulation Experimental study Numerical study Analytical study

567 views • 34 slides

410 views • 30 slides

Observations of

Observations of. Thunderstorm Gust Front. Characteristics During FP 2007. Ellen Ramirez Department of Marine and Environmental Systems Florida Institute of Technology Melbourne, FL 32901. Outline:. Introduction What is a gust front? Case studies

400 views • 29 slides

Deep Convection: Classification

Deep Convection: Classification. Deep Convection: Classification. Types of Convective Storms: Single Cell Storms Multicell Storms Supercell Storms. Single Cell Storms. The Convective Cell: Ordinary deep convective cumulonimbus (Cb) clouds

639 views • 29 slides

Synoptic & Mesoscale Fronts

Synoptic & Mesoscale Fronts. Synoptic & Mesoscale Fronts. Fronts and Jet Streaks: The Basics Common Structure on the Mesoscale Coupling with Jet Streaks Mesoscale Fronts Dry Line Gust Fronts Sea-Breeze Fronts Coastal Fronts Topographically Induced Fronts . Frontal Structure.

495 views • 27 slides

Deep Convection

363 views • 21 slides

171 st Safety Days May 22 2014

305 views • 21 slides

Case study of a gust front passing the Danish island Funen on 9 November 2008

Case study of a gust front passing the Danish island Funen on 9 November 2008. Majken Demant Meteorologist, aviation forecaster, DMI msd@dmi.dk Eumetcal NWP Applications course, Helsinki, 30 November - 4 December 2009. What happened ?.

361 views • 18 slides

Can a gust front tilt horizontal vortex lines to produce a tornado?

275 views • 14 slides

Bow Echoes

Bow Echoes. Bow Echo: radar-observed features. mesovortex. mesovortex. weak echo notch. apex of bow echo. bookend vortex. mid-level overhang. Houze et al. (BAMS 1989). Front-to-Rear Flow. All flows are system-relative. Ascending front-to-rear flow:

351 views • 13 slides