Not exact matches
Because the models predict little
average precipitation increase nationwide
over this period, the product of CAPE and
precipitation gives about a 12 percent rise in cloud - to - ground lightning strikes per degree in the contiguous U.S., or a roughly 50 percent increase by 2100 if Earth sees the expected 4 - degree Celsius increase (7 degrees Fahrenheit) in temperature.
In this region, the
average temperature has risen 1.5 degrees Celsius (2.7 degrees Fahrenheit) in the last 50 years and the
average precipitation has risen by 2.1 inches per year
over the past 25 years.
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.
Over the 121 - year period of record,
precipitation across the CONUS has increased at an
average rate of 0.16 inch per decade.
Despite no historical changes in
average annual
precipitation between 1950 and 2015, there have been changes in
average seasonal
precipitation over the same period.
The
average probability that some form of
precipitation will be observed in any given day is only 2 %, with little variation
over the month.
Over the course of July, Goa experiences a high amount of rainfall, with 995mm / 39 inches of
precipitation falling on an
average of 27 rainy days.
During this month, the resort receives an
average of 115mm / 4.5 inches of
precipitation which is spread out
over 5 days.
The wettest month in the dry season is January, when an
average of 49 mm of rain falls
over the course of five wet days, followed by December which sees 36 mm of
precipitation falling
over five wet days.
At this time of year, the resort is subject to an
average of 181mm / 7 inches of
precipitation which is spread out
over 6 wet days.
The mean
precipitation total is 5.3 mm, spread
over an
average of 2.5 wet days per month.
Overall, the region expects to receive an
average of 70 mm of
precipitation over a period of 21 days.
«During November 2011 - January 2012, there is an increased chance of above -
average temperatures across the south - central U.S. with the odds favoring below -
average temperatures
over the north - central U.S.. Also, above -
average precipitation is favored across the northern tier of states, excluding New England, and drier - than -
average conditions are more probable across the southern tier of the U.S. (see 3 - month seasonal outlook released on 20 October 2011).»
At the end of February, seasonal
precipitation for the 2008 Water Year, which began on October 1, 2007, was well above
average over much of the West.
My experience with extremes and detection and attribution of an anthropogenic signal in those is that only by
averaging the behavior of extremes (both temperature extremes and
precipitation extremes)
over large geographical areas (continental or barely sub-continental) we have been able to see something outside of natural variability.
Further, let's agree that this will on
average cause more
precipitation due to increased evaporation at these higher temperatures (the best data I have seen say that the
precipitation trend
over the continental US — where we have the best long term records — is up 5 - 10 %
over the last century).
Second Assessment of Climate Change for the Baltic Sea Basin https://books.google.com/books?isbn=3319160060 The BACC II Author Team
averaged frequency of extreme 1 - day
precipitation totals above 15 mm and a... 4.6 Cloudiness and Solar Radiation 4.6.1 Cloudiness Records of cloudiness and solar... There is a trend of decreasing cloud cover
over the Baltic Sea basin......
(Mirriam and Websters define climate as: 2 a: the
average course or condition of the weather at a place usually
over a period of years as exhibited by temperature, wind velocity, and
precipitation.)
Averaged over the mid-latitude land areas of the Northern Hemisphere,
precipitation has increased since 1901 (medium confidence before and high confidence after 1951).
If it is correct, as I have read, that water vapour taken into the atmosphere takes about a week to return as
precipitation then that implies that on
average the entire atmosphere turns
over 52 times in every year.
On
average in the United States, the amount of rain falling during the heaviest 1 percent of rainstorms has increased nearly 20 percent during the past 50 years — almost three times the rate of increase in total
precipitation.4, 5 The Midwest saw an even larger
average increase of 31 percent, surpassed only by the Northeast (at 67 percent).4 Scientists attribute the rise in heavy
precipitation to climate change that has already occurred
over the past half - century.6
Average water conditions: The amount and distribution of
precipitation within a drainage basin and the run off conditions present as determined by reviewing the area water supply records
over a long period of time.
The U.S. Climate Extremes Index (USCEI), an index that tracks the highest and lowest 10 percent of extremes in temperature,
precipitation, drought and tropical cyclones across the contiguous U.S., was a record - large 44 percent during the January - June period,
over twice the
average value.
Nearly all studies to date published in the peer - reviewed literature agree that extreme
precipitation event number and intensity have risen, when
averaged over the United States.
However, the critical threshold R C is independent of ɛ, and thus the calculation depends only on relatively robust
averaged values of
precipitation, net radiation,
average temperature difference between land and ocean, specific humidity
over ocean, and the natural constants ρ, L, and C p.
The pattern of change for the wettest day of the year is projected to roughly follow that of the
average precipitation, with both increases and decreases across the U.S. Extreme hydrologic events are projected to increase
over most of the U.S.
While there was no apparent change in drought duration in the Midwest region as a whole
over the past century, 90 the
average number of days without
precipitation is projected to increase in the future.
southern oscillation a large - scale atmospheric and hydrospheric fluctuation centered in the equatorial Pacific Ocean; exhibits a nearly annual pressure anomaly, alternatively high
over the Indian Ocean and high
over the South Pacific; its period is slightly variable,
averaging 2.33 years; the variation in pressure is accompanied by variations in wind strengths, ocean currents, sea - surface temperatures, and
precipitation in the surrounding areas
CO2 has a strong sensitivity to temperature and this is enhanced
over continents by
precipitation and therefore the
average level of moisture in soil.
One potential reason for this difference was that Brown and Fogel [40] modeled the treatment - runoff relationship to be constant
over time, 18 mm (0.71 inches), and did not evaluate variability in
precipitation but instead assumed
average winter
precipitation of 396 mm (15.6 inches).
• «
Average autumn
precipitation has increased by 30 percent for the region since 1901; heavy downpours have increased in many parts of the region, and the percentage of the region experiencing moderate to severe drought has risen
over the past three decades.»
The purpose of this study is to examine the impact of the NAO on projected changes in winter (December - March
average) terrestrial surface air temperature (SAT) and
precipitation (P)
over the next 30 — 50 years.
The
averages for the last 12 months show dry conditions
over most regions within a large belt stretching across parts of both Europe and Asia, with below
average precipitation and soil moisture and much below
average relative humidity, starting in south - western Europe and ending near Japan.
[20] In the US southern climatic region (which extends from Mississippi through Texas) the number of daily heavy
precipitation events has increased by 25 percent
over the long - term
average, and tropical cyclones contributed 48 percent of that increase.
Running four - month
averages of anomalies
over land areas for SW Europe with respect to 1981 - 2010 for
precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to March 2018.
-- It's easier to calculate
average precipitation than
average wind velocity:
precipitation is collected
over time, but measured at discrete times.
Average precipitation is changing in many regions with both increases and decreases and there is a general tendency for increases in extreme
precipitation observed
over land areas.
Running four - month
averages of anomalies
over land areas for NE Europe with respect to 1981 - 2010 for
precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to March 2018.
Running four - month
averages of anomalies
over land areas for SW Europe with respect to 1981 - 2010 for
precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to February 2018.
Running four - month
averages of anomalies
over land areas for NW Europe with respect to 1981 - 2010 for
precipitation, the relative humidity of surface air, the volumetric moisture content of the top 7 cm of soil and surface air temperature, based on monthly values from January 1979 to February 2018.
These twelve - month running - mean time series of
precipitation amounts
averaged over continental land areas and the European sub-regions include values from JRA - 55 and values available to date from ERA5, the reanalysis currently in production to supersede ERA - Interim.
2: Our Changing Climate, Key Messages 5 and 6).4, 10 A range of model projections for the end of this century under a higher emissions scenario (A2),
averaged over the region, suggests about 5 % to 20 % (25th to 75th percentile of model projections) increases in winter
precipitation.
There is no clear trend in seasonal
precipitation when
averaging over the whole of the European domain.
The higher resolution of E-OBS shows a large positive
precipitation anomaly
over the Alps and the satellite soil moisture product shows above
average soil moisture for a larger region than ERA - Interim.
When
averaging over the whole domain, the annually
averaged precipitation anomaly is small at -0.02 mm / day, just slightly below
average.
«Climate» is defined as an
average condition
over 30 years of «weather» components such as temperature, pressure, humidity,
precipitation, cloudiness, major wind direction, etc..»
A week after the event the climateprediction.net team, together with the World Weather Attribution team, provided an initial assessment of the influence of anthropogenic climate change on the likelihood of one - day
precipitation events
averaged over an area encompassing northern England and southern Scotland using data and methods available immediately after the event occurred.
the composite or generally prevailing WEATHER CONDITIONS of a region, as temperature, air pressure, humidity,
precipitation, sunshine, cloudiness, and winds, throughout the year,
averaged over a series of years.
Because the models predict little
average precipitation increase nationwide
over this period, the product of CAPE and
precipitation gives about a 12 percent rise in cloud - to - ground lightning strikes per degree in the contiguous U.S., or a roughly 50 percent increase by 2100 if Earth sees the expected 4 - degree Celsius increase (7 degrees Fahrenheit) in temperature.
The projections also indicate an increase in the basin -
averaged precipitation and an increase in the frequency of extreme
precipitation events
over the region as a whole.