Meteorology (Weather)/Questions
| Subject | Date Asked | Expert |
| 1999 bridgecreek,OK tornado | 2/4/2012 | Donald Rosenfeld |
| Q: donald,the tornado that hit bridgecreek ok in 1999 had a world record wind speed of 318 mph.it also ... A: The wind speed recorded by the mobile Doppler radar was taken at above ground level which then ... | ||
| barometric pressure | 2/3/2012 | Donald Rosenfeld |
| Q: Is the difference between actual and corrected to sea level pressure always going to be the same for ... A: A very good question! I'd say that almost always for cases where the sea level height is within a ... | ||
| BP Oil Spill and Florida Precipitation | 2/3/2012 | Donald Rosenfeld |
| Q: I live in North Central Florida on a lake and have kept rainfall data here for 25 years. Since April ... A: I'm sure that the oil spill caused some effects on weather in the Gulf area; however, the draught in ... | ||
| 2012 winter weather | 1/30/2012 | Donald Rosenfeld |
| Q: I live in Toledo, OH and so far this winter has been very unusual. I was wondering in your opinion, ... A: The second half of the winter will be colder and there will be some snow events. Overall though, the ... | ||
| Frost on Car Windshields | 1/26/2012 | Donald Rosenfeld |
| Q: Mr. Rosenfeld, if the night temperature is approximately 22 degrees Farenheit, and assuming little ... A: My answer is a guess. When the person left the car, and the engine cooled down for an hour, and ... | ||
| Snow | 1/25/2012 | Donald Rosenfeld |
| Q: Is it likely we will get snow in St. Louis this winter? A: Looking over this winter it seems that you've received about 4 inches so far. In that the month of ... | ||
| air mass movement | 1/19/2012 | Donald Rosenfeld |
| Q: which would modify quicker, an arctic air mass moving over the gulf of Mexico in winter or a ... A: Depending upon how you define the word "modify", the answer would be: arctic air mass moving over ... | ||
| Disrupting tornados | 1/18/2012 | Donald Rosenfeld |
| Q: So...I have been wondering, since I was a little kid (about 30 years now) what would happen if you ... A: If you threw TNT into the side of a tornado and the TNT exploded it would disrupt the lower wind ... | ||
| different kind of rainbow | 1/17/2012 | Donald Rosenfeld |
| Q: I was flying into Chicago a few years ago in January, not sure of the altitude. Our airspace was ... A: Sounds like a "Glory": http://tinyurl.com/opticalGlory ... | ||
| Severe Weather | 1/12/2012 | Donald Rosenfeld |
| Q: When severe weather discussions talk about banding and thunderstorms they mention if "convective ... A: The forecasting of severe weather requires the analysis of many variables which must come together ... | ||
| fire rainbow photos | 1/9/2012 | Donald Rosenfeld |
| Q: I saw what I believe to be fire rainbows..after much googling. They are under exposed 2-4 stops ... A: I agree with you that your picture is of a "fire rainbow". Here are some more photos and an ... | ||
| squall line tornadoes? | 1/5/2012 | Donald Rosenfeld |
| Q: DONALD,HOW DO SQUALL LINES PRODUCE TORNADOES? I AM QUOTING A STATEMENT MADE ABOUT THE 1974 SUPER OUT ... A: Tornadoes are always associated with thunderstorms; squall lines are typically a line of ... | ||
| Job Requirements | 1/4/2012 | Donald Rosenfeld |
| Q: I am currently a junior in college majoring in biology. I originally was enrolled as a mechanical ... A: You do not have to be a programmer to be a meteorologist. If you are close to your degree in ... | ||
| Frost | 1/4/2012 | Donald Rosenfeld |
| Q: How does frost form on top of a house when the temperature is above 32 degrees? I live in the ... A: Frost can't form if the temperature OF THE OBJECT is above 32. So, if the top of the roof were 32 or ... | ||
| presure variations | 12/30/2011 | Donald Rosenfeld |
| Q: the pressure difference isn't usually as extreme as the day I cited, but there is definitely a ... A: Wooded areas are cooler which means less differential heating which means less up-drafts which means ... | ||
| cyclonic storms | 12/29/2011 | Donald Rosenfeld |
| Q: I was a mariner and we had a thumb rule (which I have forgotten) to predict the direction in which a ... A: You're thinking of the Buys Ballot Law In the northern hemisphere, if you face the wind the storm ... | ||
| pressure variations | 12/28/2011 | Donald Rosenfeld |
| Q: I've noticed that the barometric pressure is usually much lower near my sister's house, which has a ... A: I would suspect that one of the barometers you are using is out of adjustment if the readings are ... | ||
| Insolation data | 12/27/2011 | Donald Rosenfeld |
| Q: I hope you are doing good. Have you got any idea that how can i know the global areas receiving ... A: This should give you the info: ... | ||
| wind confusion! | 12/26/2011 | Harry Hayfield |
| Q: harry,hope your christmas was a good one and a happy new year will follow! hope i haven't asked you ... A: It is absolutely possible to have a night time tornado. As you point out there was the one in ... | ||
| wind confusion! | 12/24/2011 | Donald Rosenfeld |
| Q: donald,i live on the mobile,al bay.it goes out to the gulf of mexico.i'm confused though, the ... A: If the land temperatures are hotter than the water temperatures, then a south wind would bring ... | ||
| Measuring Hours Below Freezing | 12/16/2011 | Donald Rosenfeld |
| Q: Is there a reasonably priced gauge/device for the home gardener that can track number of hours ... A: You have two choices: A thermograph: http://www.novalynx.com/210-4110.html ... | ||
| tornadoes | 12/15/2011 | Donald Rosenfeld |
| Q: If tornadoes are just rotating columns of wind, how are they so destructive? A: Well, they are rotating columns of wind and they are destructive because the wind speed in the wall ... | ||
| finding the three letter weather code for any city in any location across the U.S. | 12/15/2011 | Donald Rosenfeld |
| Q: How can you find the three letter weather code for any city in any location across the U.S.? A: Take a look at: http://www.bayareascene.net/airportcodes.html ... | ||
| front altitudes | 12/11/2011 | Donald Rosenfeld |
| Q: Do pressure fronts tend to form at certain altitudes more than others? Last fall & winter I recall ... A: Fronts generally are in touch with the surface and have a vertical structure that rises into the ... | ||
| Weather in Italy | 12/10/2011 | Harry Hayfield |
| Q: Greetings! Been looking all over the internet and canīt seem to get a concise answer so here ... A: Generally speaking, rainfall and snowfall in the Dolomites is more dependent on the windflow ... | ||
| Weather in Italy | 12/10/2011 | Donald Rosenfeld |
| Q: Greetings! Been looking all over the internet and canīt seem to get a concise answer so here ... A: I think these may help: http://www.guidedolomiti.com/eng/location_-_climate_geology.html ... | ||
| pressure fronts | 12/5/2011 | Donald Rosenfeld |
| Q: Do the points on a front line indicate the direction the front is moving? (For example, on a north ... A: You are correct, the half moons and/or triangles face in the direction a front is moving; the ... | ||
| very dark nights | 12/4/2011 | Donald Rosenfeld |
| Q: We live on the gulf coast in the Houston/Galveston area of Texas. Not often but there are times when ... A: There are three possibilities that come to mind: 1. A decrease in light pollution: ... | ||
| Science | 12/1/2011 | Donald Rosenfeld |
| Q: Since, Quitman, Georgia is two hours from the Atlantic Ocean or Gulf of Mexico, how is the weather ... A: Rainfall is enhanced by being so close to the warm Atlantic and very warm Gulf of Mexico; so, you'd ... | ||
| supercells and occluded fronts | 11/28/2011 | Donald Rosenfeld |
| Q: i dont know what i would have done with out that info. now i just have a question about ... A: Looking at the link you supplied I do not see an orographic map; orographic has topographical ... | ||
| Tides | 11/27/2011 | Donald Rosenfeld |
| Q: Donald, I live on Cape Cod and today (November 26) I went down to the bay beach at the time of high ... A: The new moon was a factor but the only enhancement may have been the Bermuda high pressure system ... | ||
| Calculus in Meteorology | 11/25/2011 | Donald Rosenfeld |
| Q: I'm doing a project for my Calculus 1 class and I was wondering exactly how is calculus used in ... A: Calculus is used by computer models that predict future weather patterns; specifically, calculus is ... | ||
| Weather | 11/22/2011 | Donald Rosenfeld |
| Q: Why is the sky blue? A: What a good question! The sky is blue because of scattering (when hitting the molecules of the ... | ||
| thickness of an air mass | 11/19/2011 | Donald Rosenfeld |
| Q: When an 'Alberta clipper' flows down from Western Canada (east of the Continental Divide) into the ... A: First, an Alberta Clipper is steered by a jet stream: ... | ||
| air pressure and temperature | 11/17/2011 | Donald Rosenfeld |
| Q: I am a middle school science teacher, and need to understand this concept: I understand that when ... A: "I understand that when air heats up, it moves faster, thus expanding and becoming less dense. Is ... | ||
| US weather | 11/12/2011 | Donald Rosenfeld |
| Q: I am looking for any us cities or areas with summer temps in the 80s and 90s and winter temps in ... A: I think San Diego California would fit the bill. Take a look at this: ... | ||
| why is snow slippery? | 11/11/2011 | Donald Rosenfeld |
| Q: mr rosenfeld, what makes snow slippery? A: Ice and snow are slippery because of its low coefficient of friction and the melting point. When you ... | ||
| Past Temperatures | 11/8/2011 | Donald Rosenfeld |
| Q: A: See if this does the trick: http://www.nws.noaa.gov/climate/ What you do is click on a city near ... | ||
| St. Augustine FL weather | 11/6/2011 | Donald Rosenfeld |
| Q: We are wondering why St Augustine, FL, was so comfortable in late October with 68 degrees, 85% ... A: The jet stream was situated in such a way (dipping down into the mid US) thus keeping cold air to ... | ||
| Wind speed near the tropopause | 11/2/2011 | Donald Rosenfeld |
| Q: I know winds can be in excess of 100 kts in the tropopause...but what is the max wind speed ... A: As you can see, the tropopause is above the troposphere which is where the high speed jet streams ... | ||
Meteorology (Weather)
Answers by Expert:
Donald Rosenfeld
Top Expert on this page
Expertise
Any questions (except private) answered from the 1st grade level on up pertaining to any aspect of Weather. I am a 20 year member of the American Meteorological society and a long time forecaster of eastern United States snow storms and Hurricanes.
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