Sentences with phrase «snow water equivalent»

Alarmists have eventually evolved to crediting warming with producing greater snowfall, because of increased moisture but the snow events in recent years have usually occurred in colder winters with high snow water equivalent ratios in frigid arctic air.

The decadal survey SCLP mission is relevant to this ECV, as it would provide passive and active microwave measurements of snow water equivalent.

NWS NOHRSC has national operational responsibility for modeling and measuring snow depth and snow water equivalent.

Long - term climate warming is strongly correlated with declining snow water equivalent and shifts in stream flow throughout the American West and appear to be largely explained by decreased spring accumulation and / or increased spring melt.

[1] However, snow water equivalent — the amount of water contained within the snowpack — has lagged overall precipitation.

Total precipitation and snow water equivalent (SWE) are well above average for all three regions, yet SWE is lagging behind precipitation.

The ratio of snow pack (measured in snow water equivalent) to overall precipitation (SWE / P) is an indicator of a temperature - driven snow - melt signal on western US snow pack.

[5] The SWE / P ratio shows what fraction of current water year precipitation remains in the snow pack for any given day of the water year: the closer SWE (snow water equivalent) is to P (overall precipitation), the more water resources remain.

[18] The models also found consistent trends indicating a decrease in April 1 snow water equivalent.

Here is a table listing precipitation versus snow water equivalent totals for California's major hydrological regions, on April 1, 2017:

Snow water equivalent is projected to decline throughout the Peace and Campbell and at low elevations within the Columbia.

At high elevations within the Columbia, snow water equivalent is projected to increase with increased winter precipitation.

Nevertheless, differences (between the 2050s and 1970s) obtained from the two approaches are qualitatively similar for precipitation and temperature, although they are substantially different for snow water equivalent and runoff.

Tree - ring records of precipitation anomalies and of temperature allowed them to reconstruct a 500 - year history of snow water equivalent in the Sierra Nevada.

What is striking, however, is how much Sierra snow water equivalent has lagged overall precipitation.

The rather striking graphic above demonstrates just how strong this elevational snowpack gradient has been in 2017 — with near - record snow water equivalent comparable to 1983 at the highest elevations and dramatically less accumulation further down the slopes.

Accounting for the considerable disagreement among satellite - era observational datasets on the distribution of snow water equivalent, CanESM2 has too much springtime snow cover over the Canadian land mass, reflecting a broader Northern Hemisphere positive bias.

Estimates of surface snow water equivalent (SWE) in alpine regions with seasonal melts are particularly difficult in areas of high vegetation density, topographic relief and snow accumulations.

However, while annual peak daily streamflow (APF) during the spring freshet in the FRB is historically well correlated with basin - averaged, April 1 snow water equivalent (SWE), there are numerous occurrences of anomalously large APF in below - or near - normal SWE years, some of which have resulted in damaging floods in the region.

However, while annual peak daily streamflow (APDF) during the spring freshet in the FRB is historically well correlated with basin - averaged, annual maximum snow water equivalent (SWEmax), there are numerous occurrences of anomalously large APDF in below - or near - normal SWEmax years, some of which have resulted in damaging floods in the region.

Snow water equivalent - The equivalent volume / mass of water that would be produced if a particular body of snow or ice was melted.

2) 3) Daily snow water equivalent and temperature data from 10 USDA Snotel sites, and three snow course sites.

As snow accumulates on the pillow it exerts a pressure that is measured and converted to a reading of snow water equivalent and telemetered to two NRCS master stations.

3) Daily snow water equivalent and temperature data from 10 USDA Snotel sites.

Models disagree on snow water equivalent changes on a regional basis, especially in transitional regions where competing effects occur due to greater snowfall and warming temperatures.»

The simulated data includes snow water equivalent, soil moisture, surface runoff (runoff), subsurface runoff (baseflow), and actual evapotranspiration for a region covering the Peace, upper Columbia, Fraser and Campbell River watersheds.

The five USDA - SNOTEL stations have provided April snow water equivalent measurements since 1943, with four reporting data since 1936.

A combination of unseasonably warm weather and a low snow water equivalent in the mountain snowpack has led to this depiction on the U.S. Drought Monitor.

The far northern Cascades as well as the northern Rockies accumulated snow this month and reported snow water equivalent (SWE) values slightly below to slightly above normal.

Satellites do snow extent very easily; there are also satellite - derived data sets on snow water equivalent

Kevin's snow scenario is exactly what the global climate models show: a shorter snow season everywhere, but increases in maximum snow water equivalent in the northern continental areas (with decreases in maximum snow water equivalent in the more southerly regions, where rain - to - snow ratios increase).

Snow water equivalent (SWE) reconstruction for the Northern Rockies based on tree - ring measurements (figure from Pederson et al. 2013a).

Snow water equivalent (SWE) was variable along the length of the Sierra Nevada, though generally above 75 % of normal.

It shows snowpack data from a network of monitoring sites called SNOTEL, as measured in snow water equivalent.

Not exact matches

What goes up, must come down and, more and more, that water vapor is coming down in extreme precipitation events — defined in North America as more than 100 millimeters of rainfall (or the equivalent in snow or freezing rain) falling in 24 hours — according to new research also published February 17 in Nature that examines such events in the Northern Hemisphere.

In this polar desert, rainfall is unknown, and there is only 10 mm snow fall (water equivalent) per year.

Six - hourly data fields for 2 m maximum temperature, minimum temperature, specific humidity, surface pressure, precipitation rate, water equivalent of actual snow depth and 10 m U and V wind components were summarized to daily data (Supplementary Table 2).

Wish we had better (and enough) info on snow depth / water equivalent from Siberia, clearly more is needed.

Frequency mapping of maximum water equivalent of march snow cover over Minnesota and the eastern Dakotas, NWS CR Tech Memo CR - 113, 28

Buan, S. D., 2005: Frequency mapping of maximum water equivalent of march snow cover over Minnesota and the eastern Dakotas, NWS CR Tech Memo CR - 113, 28.

A map of the glacier is then prepared contoured for the observed gain or loss of snow or ice in water equivalent units.

Over land the northern hemisphere; Globsnow snow - water - equivalent SWE product and over sea the EUMETSAT OSI - SAF sea - ice concentration product.

Over land the northern hemisphere Globsnow snow - water - equivalent SWE product and over sea the OSI - SAF sea - ice concentration product.

(Assuming there's even snow to melt: Earlier this year, after «an historically dry December,» the snow - water equivalent (SWE) of the northern Sierra Nevada snowpack was at just 27 percent of its multi-decade average.)

The study found that, on average, temperatures during winter and spring had increased during the study period and the amount of the snow - water equivalent (or the water in the snowpack) decreased by 25 percent.

Here's how the snow - water equivalent (a measure of how much water snow contains) compares to the long - term median values for today, May 3: Read More

«Observed» data is the water equivalent estimation of all types of precipitation (rain, snow, sleet, freezing rain, hail) derived from NWS River Forecast Centers (RFCs), and is displayed as a gridded field with a spatial resolution of 4x4 km.

Percent snow depth changes in March (only calculated where climatological snow amounts exceed 5 mm of water equivalent), as projected by the Canadian Regional Climate Model (CRCM; Plummer et al., 2006), driven by the Canadian General Circulation Model (CGCM), for 2041 to 2070 under SRES A2 compared to 1961 to 1990.

The water equivalent flight line data is used to update snow hydrologic models which are used in NWS river forecast center probabilistic spring flood outlooks, and river forecasting.

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