Unanswered Questions

320 questions with no upvoted or accepted answers
26 votes
0 answers
520 views

Is it possible for a sting jet to form over a continental landmass?

Sting jets are thought to be responsible for some of the most damaging winds associated with extratropical cyclones in the mid-latitudes. So far they have only been confirmed in the European region, ...
14 votes
0 answers
197 views

Will global climate change alter the interannual and/or intraseasonal variance of temperature and/or precipitation?

A quick skim of the regional chapters in AR5 shows predicted changes to average temperature and precipitation. If I understand (in rough terms) the modelling methodologies used, a variety of models (...
13 votes
0 answers
103 views

How are scatterometer observations standardised before being fed into reanalysis models?

This very basic question occurred to me during a talk on reanalysis data sets. Often we know the observations produced by a particular instrument, say rain radar, are biased from one year to the next ...
12 votes
0 answers
152 views

Is there a distinction between gap winds and channelled flow?

I have seen gap flows mentioned in the literature, for example [Gohm et al. 2004, Zängl 2002, Mayr et al. 2007]. Whiteman 2000 defines a gap as a "major erosional opening through mountain ranges" and ...
10 votes
0 answers
299 views

What is the smallest grid spacing that Eulerian air quality models should use?

The University of Washington runs the Advanced Research Weather Research & Forecasting (WRF) model in predictive mode, and then tests the skill of the model anywhere from 12 - 84 hours out from ...
10 votes
1 answer
7k views

What is the loudest thunder ever recorded (dB) at ground level and where did it occur?

Sound travels fastest through warm air and conditions such as temperature inversions can help to amplify the sound of thunder (source). Conversely, during a thundersnow event the falling, and ...
9 votes
0 answers
129 views

How to convert units of averaging kernel from DU/DU to ppbv/ppbv

For validation of model data, I want to compare the ozone data from model to the satellite results downloaded from the following link: The satellite data are in DU(Dobson Unit) while the model data ...
9 votes
0 answers
103 views

Was this spherical device used in weather forecasting in the 1960's?

The New York Times obituary Robert M. White, Who Revolutionized Weather Forecasts, Dies at 92 shows the image below. It looks like it might be a model of the Earth but I can't tell for sure. Can the ...
9 votes
1 answer
457 views

What is the difference between the freezing level and 0 C isotherm in NOAA's GFS?

I'm playing around with NOAA's GFS forecast data and I see that it contains both a "0 °C isotherm level" and a "Highest tropospheric freezing level". Could someone tell me the ...
9 votes
0 answers
204 views

Modeling swirling storms

I'm looking to demonstrate the rotational behaviour of swirling storms with a numerical simulation. So far it includes pressure-gradient, Coriolis acceleration, frictional forces and the acceleration ...
9 votes
0 answers
150 views

What meteorological factors contribute to springtime Trans-Pacific air-pollution events?

The transport of tropospheric ozone, ozone precursors, carbon monoxide, etc from Asia to North America is an active area of research (see J.L. Ambrose, et al., 2011) These types of events occur ...
9 votes
0 answers
152 views

Relation of El Niño to Monsoons

Scientists are forecasting a weak to moderate El Niño event to emerge in the coming months, what causes this to happen? Once developed, how will the El Niño conditions effect progressive monsoon ...
8 votes
0 answers
82 views

Nobel prize Manabe's 1967 code for solving the 1D atmospheric thermal equilibrium model

Does someone know where to find a (hopefully modern) version of the numerical code for solving the 1D atmospheric thermal equilibrium model, the one Syukuro Manabe & Richard T. Wetherald used in ...
8 votes
0 answers
74 views

By how much did the Earth's diameter decrease due to cooling, if at all, since it was formed?

The answer to How long until Earth's core solidifies? question cites an estimation that the Earth (as a planet, not the surface of it) has cooled down by about 250K since it was formed. The question ...
8 votes
0 answers
110 views

全球天气地图数据库

I am searching for a database (a free one would be great) that would give me, for any chosen rectangular area on earth, historic data about pressure, sea water temperature, wind (including both speed ...

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