Search results

...on skill''' is any measure of the accuracy and/or degree of association of prediction to an observation or estimate of the actual value of what is being predicte ...s, whereas winter cold snaps might correlate with observable polar winds). Weather forecast skill is often [[data visualization|presented]] in the form of sea ...

...ted ''in principle'', i.e., it describes the proportion of variance in the weather that arises from systematic factors rather than random noise.<ref name=boer ...in weather outcomes, so that <math>\sigma^2</math> is the [[variance]] in weather outcomes. Of this, denote by <math>\sigma_\nu^2</math> the ''internally gen ...

...verifying and determining the [[predictive power]] of [[Numerical weather prediction|prognostic model forecasts]]. Because of the complexity of these models, f ...r example would be a [[climatology|climatological]] forecast: "What is the weather going to be like today? The same as it was, on average, for all the previo ...

...tainty and allows the predicted uncertainty to vary from case to case. The prediction of uncertainty in NGR is derived from both past forecast errors statistics ...o attempt to capture and quantify the [[uncertainty|uncertainties]] in the weather forecasting process, such as [[ensemble forecasting#Initial condition uncer ...

...WF]] [[Integrated Forecast System]], and various other [[numerical weather prediction]] models. [[Category:Synoptic meteorology and weather]] ...

...e journal|last1=Lorenz|first1=Edward N.|title=Energy and Numerical Weather Prediction|journal=Tellus|date=May 1960|volume=12|issue=4|pages=364–373|doi=10.3402/te ...om the zonal mean due to [[orography]], [[Sea breeze|land-sea contrasts]], weather systems and any other eddy-like features (denoted by a prime, e.g. P'). ...

...(SLS) is a [[numerical method]] that is widely used in [[numerical weather prediction]] models for the integration of the equations governing atmospheric motion. [[Category:Numerical climate and weather models]] ...

...fied for the midlatitudes, using the midlatitude β-plane quasi-geostrophic prediction equations:<ref>{{cite book|last=Holton|first=James R.|title=An Introduction ...Stream - Online School for Weather|title=Glossary: Q's|url=http://www.srh.weather.gov/jetstream/append/glossary_q.htm|work=NOAA - NWS|access-date=15 March 20 ...

.../ref> The model is typically used in the context of using prediction about weather conditions to decide whether to take a precautionary measure or not. ...|issue = 7|date = July 1977|access-date = May 23, 2014|journal = [[Monthly Weather Review]]|page = 803|doi = 10.1175/1520-0493(1977)105<0803:TVOCCA>2.0.CO;2|b ...

...l climate observations,<ref name="jewson"/> [[Ensemble forecasting|weather prediction ensembles]]<ref name="scheretal"/> or [[climate ensemble]]s.<ref name="jews The first DCA pattern is a pattern of weather or climate variability that is both likely to occur (measured using [[Likel ...

...lications related to predicting extreme events, such as major [[Earthquake prediction|earthquakes]] and [[flood]]s. ...e" Forecast Graphs for Temperature and Precipitation| publisher = National Weather Service| year = 2002 | url = http://www.cpc.ncep.noaa.gov/pacdir/NFORdir/IN ...

...pitch, weather and boundary size. For the team batting first, it gives the prediction of the final total. For the team batting second, it gives the probability [[Category:Prediction]] ...

...tor2=Hurrell, James W.|location=Dordrecht|pages=315|chapter=Attribution of Weather and Climate-Related Events|oclc=851370783|author1=Peter A. Stott |display-a ...

* ''[[Center for Analysis and Prediction of Storms]]'' ('''CAPS''') * '''Center for Severe Weather Research''' ('''CSWR''') ...

{{Short description|Forecasts of weather conditions at sea}} ...igable half of their circulation. Marine [[weather]] forecasts by various weather organizations can be traced back to the [[shipwreck|sinking]] of the [[Roya ...

Visible sensors have the disadvantage of being quite weather sensitive—images are obscured by clouds—while SAR sensors, especially in th at lower frequencies, microwave radiometers are quite weather insensitive. ...

[[File:Northeast Snowfall Impact Scale.gif|thumb|[[Weather radar]] loop showing intense snow bands (lighter color) due to CSI ahead of ...t1 = Schultz | first2= Philip N. | last2= Schumacher | journal = [[Monthly Weather Review]] | volume = 127 | issue = 12 | pages = 2709 | date = December 1999 ...

...> [[Meteorite]]s were detected by [[Weather radar#Meteorite fall detection|weather radar]] during [[Dark flight (astronomy)|dark flight]]. ...flight (astronomy)|dark flight]], [[Weather radar#Meteorite fall detection|weather radar]] signatures appeared from an altitude of ~15&nbsp;km down to 850 met ...

...], 1922<ref>{{cite book |last1=Richardson |first1=Lewis Fry |title=Weather Prediction by Numerical Processes |date=1922 |publisher=Cambridge University Press |lo | title = Weather prediction by numerical process ...

either for performing retrievals or for prediction. ...thumb|center|upright=2|alt=Ascent of a nominal weather balloon|Ascent of a weather balloon launched from the Polarstern research vessel]] ...