The nightmarish flash floods in southwestern Arkansas early Friday morning that swept away dozens of campers — with some 18 confirmed dead and many more still missing — resulted from a horrible confluence of a late - night burst of extreme
rains over a region of steep - sided, isolated river valleys long popular with folks eager for a taste of nature.
The onset of seasonal
rains over this region is expected around early to mid-March.
Not exact matches
It would fly
over regions of the developing world, sprinkling Internet access like so much
rain.
«The worst is not yet
over for Southeast Texas, at least as
rain is concerned,» Texas Gov. Greg Abbott said at a Wednesday press conference, adding that flooding in the Beaumont
region can be expected for the next few days.
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«A thunderstorm and
rain - bearing cloud system located
over the coast and middle sectors, is expected to persist and further affect places in the central, western and Brong Ahafo
regions till noon.
Even though some
rain and lower temperatures have reached the area during the second week of July
over much of the
region, it is a case of too little too late.
Victor Murphy, who manages the National Weather Service's Southern
Region Climate Services Program, said Arkansas could get 2 or more inches of
rain over the next five days, leading to significant drought relief there — and even a short - term risk of flooding.
Over the same period, monsoonal
rains in the
region have intensified.
In early and mid-February, large, heavy patches of
rain quickly developed
over the Southeast
region.
There's been a lot of warm air
over that
region — Alaska has had a lot of record temperatures and a lot of
rain.
In Germany, where the
rains fell
over a shorter period, they examined the one - day maximum precipitation for the hardest hit
region, while for France, where
rains were longer - lasting and more widespread, they looked at the three - day averaged precipitation for the Seine and Loire river valleys.
One such valley, Margaritifer Sinus, would have received less
rain than some other areas due to the Tharsis bulge causing drier air to flow
over that
region, yet shows evidence of large amounts of water having flowed there.
Meanwhile, during the northern hemisphere's summer, El Niño conditions can contribute to high temperatures
over the Indian subcontinent and heavy
rains over the western U.S. La Niña conditions contribute to almost reverse conditions
over most of these
regions, with a few exceptions.
Well, February is now
over and while winter seems to be loosening its grip on the
region, it still gets cold and although the snow is long gone the
rain and dreary grey skies seem to be an almost permanent fixture.
Rain World features a vast world of
over 1600 rooms, spanning 12
regions.
Hatun et al. examined the possibilities that [i] a change in
rain falling
over the ocean (freshens the water) and evaporation (increases the salinity by removing water and leaving salt behind), [ii] increased salinity in the sub-tropical gyre (in the main part of the North Atlantic), [iii] increased salinity in the sub-polar gyre, or [iv] dynamical changes in the relative contributions from the two gyres could explain the high salinities in the in - flow
regions.
For the entire Northern Hemisphere, there is evidence of an increase in both storm frequency and intensity during the cold season since 1950,1 with storm tracks having shifted slightly towards the poles.2, 3 Extremely heavy snowstorms increased in number during the last century in northern and eastern parts of the United States, but have been less frequent since 2000.11,15 Total seasonal snowfall has generally decreased in southern and some western areas, 16 increased in the northern Great Plains and Great Lakes
region, 16,17 and not changed in other areas, such as the Sierra Nevada, although snow is melting earlier in the year and more precipitation is falling as
rain versus snow.18 Very snowy winters have generally been decreasing in frequency in most
regions over the last 10 to 20 years, although the Northeast has been seeing a normal number of such winters.19 Heavier - than - normal snowfalls recently observed in the Midwest and Northeast U.S. in some years, with little snow in other years, are consistent with indications of increased blocking (a large scale pressure pattern with little or no movement) of the wintertime circulation of the Northern Hemisphere.5 However, conclusions about trends in blocking have been found to depend on the method of analysis, 6 so the assessment and attribution of trends in blocking remains an active research area.
The cold, strong storm from the Gulf of Alaska combined with warmer, moister, subtropical air
over L.A., which caused hail around the
region and heavy, intense
rain on the south L.A. County coast.
Meanwhile, model runs earlier today indicated a potential for as much as 20 Inches of
rain for some
regions over the next 72 hours.
Farmers in the
region have learnt
over the past years that seasons have changed and the
rains are no longer falling during the expected months.
Late snowmelt
over the
region in late April / early May, followed by heavy
rains in late May / early June, resulted in extremely high water levels in the Danube, Elbe, and Rhine, with coastal flooding in early / middle June there (49).
As the aerosol particles rise on the warm, convecting air, they produce more
rain over northern India and the Himalayan foothill, which further warms the atmosphere and fuels a «heat pump» that draws yet more warm air to the
region.
Overall, there are high chances for near - normal
rains with a slight tendency to above normal
over this
region.
The highest acidity of
rain was measured to be
over regions of the North Sea near to river estuaries.
Global warming plays a role by 1) elevating the SSTs in the Indian Ocean and Indonesian
region, where it contributes to the excessive moisture and
rains that gave the flooding
over Pakistan, India and China; and 2) In Russia by adding to the heat and drying, making the drought more intense, longer lasting, and with stronger and record breaking heat waves.