This rare weather phenomenon resulted in the National Weather Service issuing a high wind warning through 2 p.m. for several of our counties. Please try another search.Multiple locations were found.
Recently, Gallus (1996) found, using a numerical modeling study, that when precipitation rates are prescribed to decrease with time, as might occur with collapsing precipitation areas, microphysical cooling may become sufficiently small as to induce strong subsidence and an intense wake low.Wake low development and amplification have also been associated with gravity waves. Wind Advisory for our Northern counties til 10am. Section 5 contains conclusions. The strong winds were associated with a wake low.
Recently, Koch and O'Handley (1997) proposed procedures for the operational forecasting and detection of mesoscale gravity waves which involved identifying typical synoptic conditions and searching mesoscale model data for necessary ducting inversions.As will be discussed further in the following sections, the wake low event on 11 April 1995 appeared to develop due to adiabatic warming induced by strong subsidence while the wake low on 28 April 1996 exhibited characteristics of a wake low associated with a gravity wave. "The area of enhanced winds this evening is …
INTRODUCTION Damaging winds affected portions of South Florida during the early morning of April 13, 2004. A “wake low” is rare and forms behind a line of storms. Extreme wind gusts without a severe thunderstorm? Similar conclusions were drawn by Zhang and Gao (1989) in a numerical modeling study.
Nashville rocked by intense ‘wake low,’ 24 hours after destructive derecho Powerful winds struck the Music City for a second straight night Monday … Stumpf et. Uccellini and Koch (1987) found that many large-amplitude gravity waves form north of a surface frontal boundary, an area characterized by strong lower tropospheric thermal inversions. ... initiate thunderstorms, or, as we saw the other night, cause damaging winds. Since there are no storms associated with these higher wind gusts, the NWS will often issue special weather statements, just like it did today.The WLOX 24/7 Weather Team then relays that information to you on air, online and using social media tools like Facebook, Twitter, Instagram and Periscope.Also, you can download the new Periscope app and watch us behind the scenes: @carrieduncanwx and @joelwlox.Take your umbrella just in case today because we will have a chance for hit-or-miss showers and thunderstorms. With an evaluation of some of the differences and similarities in the generation and maintenance of severe wake lows, operational forecasters can better understand these potentially severe phenomena and provide the public with useful information on these unusual events.Unexpected high winds, occurring behind a band of stratiform rain, brought widespread damage across the mid Mississippi valley on the mornings of 11 April 1995 and 28 April 1996. A wake low may be described simply as a mesoscale area of low pressure at the rear of a mesoscale convective system (MCS). Because wake lows are short-lived mesoscale phenomena, they are generally not well understood by the operational forecasting community and have been nearly impossible for forecasters to predict. Strong winds due to a wake low … In the wake of the rain, a mesoscale low forms due to the lowering pressure, which actually tightens the pressure gradient and strengthens the wind. The office even opted to issue a short-fused high-wind warning, between 9:35 p.m. and midnight, cautioning that “damaging winds will blow down trees and power lines. Wind gusts measured over 50 knots (25 m sThese winds have been documented before and defined as the result of a Johnson and Hamilton (1988) proposed that wake lows were the result of subsidence warming which was maximized at the back edge of a trailing stratiform precipitation area where there was insufficient sublimation and evaporative cooling to offset adiabatic warming.
The objectives of this paper are (1) to examine the similarities and differences in the synoptic and mesoscale conditions and the generating mechanisms of the wake lows on 11 April 1995 and 28 April 1996, and (2) to examine the operational forecaster's ability to track and anticipate these potentially severe and atypical wind events.Sorry, the location you searched for was not found.
This wake low produced hourly pressure falls up to 10 mb and wind gusts up to 55 knots (27.5 m s-1) from the east-southeast at Little Rock by 1015 UTC while moving north-northeast at 42 knots (21 m s-1) across central and northeast Arkansas, trailing closely behind the …
SOUTH MISSISSIPPI (WLOX) - Today, you probably heard us talk a lot about a wake low. Strong winds due to a wake low … Maryland Weather: Tropical Storm Isaias Triggers Tornadoes; Strong Winds Leaving Damage In Its Wake By Chelsea Ingram August 4, 2020 at 2:10 pm Filed Under: flash flooding , …
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