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September 28, 2007
Today is your lucky day! Gothamist has been calculating obscure weather statistics and we're going to share them. Remember how the year got off to an unusually warm start? Flowers were blooming and we were enjoying picnics in the parks? Those abnormally warm days were soon followed by lots of slightly cool days through much of winter, spring and summer. Much like the parable about the tortoise and hare, the slow steady cool weather beat... [continue]
| September 26, 2007
Tonight's the Harvest Moon! The full moon nearest the fall equinox is known as a harvest moon because the moon provided extra light for harvesting crops. For most of the year moon rise occurs about 50 minutes later each day. Because of the earth's orbital geometry, around the equinoxes the moon rises only about 30 minutes later from day to day. Since a full moon rises at the same time as the sun sets, the... [continue]
September 24, 2007
The autumnal equinox happened around 5:51 yesterday morning. There were equal parts day and night everywhere on earth. Were the buildings not in the way, you could have witnessed yesterday's sunrise and sunset both occurring down the middle of Stuyvesant Street, the only street in Manhattan where that phenomenon can happen on the same day. Although today is the first full day of fall, continued summer warmth will be the norm for the next few... [continue]
September 21, 2007
The autumnal equinox is early Sunday morning, but the weather is not paying attention to the Earth's orbital position with respect to the Sun. Summer-like temperatures are here today, tomorrow, next week! Yes, the weekend weather is going to be as sweet as a sugarcube. The National Weather Service has the warmest forecast for the next few days so we'll go with them. Expect highs in the low-80s today, creeping up to the mid-80s... [continue]
September 19, 2007
A week ago, Gothamist was rhetorically asking if our days of 80-degree weather were behind us until next spring. Now it is looking like we will have at least one more warm spell before fall sets in. That got us to wondering what the latest days were that Central Park reached 80 or 90 degrees. We churned through the daily temperature data from 1971 to the present to plot the graph above. The latest... [continue]
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September 17, 2007
We were tempted this morning to throw up a pretty sky photo from the Gothamist Contribute pool and not write anything because there's not much weather to discuss. The week is starting out cool but will get warmer. By Thursday we should be seeing maximum temperatures in the upper-70s to around 80 degrees as the high pressure system that will dominate the weather this week moves further eastward. Skies are expected to stay mostly clear... [continue]
September 14, 2007
Today's weather forecast features an exciting race between the remnants of surprising Hurricane Humberto and the Canadian Crusher, a massive, cool, dry air mass that has already captured the Great Plains and is quickly moving our way. Humberto, who reminded everyone that there's still a lot to learn about tropical storms, intensified from a tropical depression to a full-fledged hurricane in only 14 hours, is now just a big mess of moisture centered over northern... [continue]
September 12, 2007
Over an inch of rain fell on Central Park yesterday. That was our first rainfall in three weeks. Except for a slight chance of rain on Saturday it looks like there will be another week of dry weather ahead of us. Today might turn out to be slightly warmer than yesterday as the sunshine is plentiful. We will have pleasant sleeping weather tonight. The low will be around 60 in the city, in the mid-50s... [continue]
September 10, 2007
One reason for the unpredictability of a hurricane is that the storm gets big enough to perturb its surrounding environment. When that happens you get a contest of equals in the atmosphere, the tropical system can start to deform the atmospheric around it, and the outcome is uncertain. That didn't happen with relatively weak Tropical Depression Gabrielle. She briefly intensified to tropical storm status, but weakening after touching the Carolina coast she never had the... [continue]
September 7, 2007
Two types of tropical weather will be the weather story to watch out for over the next several days. You may have noticed that this morning is much more humid than in the past few days. The humidity and warmer air are courtesy of the large high pressure system that has finally moved offshore. The southerly flow of air around the backside of that high pressure system will bring us a day or two of... [continue]
September 5, 2007
The string of pleasant, if not all that meteorologically interesting, weather continues today with another sunny, mild day. More of the same is expected tomorrow, though the mercury may crack the 80 degree mark. The Weather Service has finally come to their senses and backed off their earlier prediction of highs around 90 on Friday and Saturday. They are currently calling for highs around 86, which is more in line with weather.com's predictions of the... [continue]
September 3, 2007
The weather has gotten into the Labor Day spirit and decided not to work this week. Tomorrow will be a near-repeat of today. A weak cold front will cool us down slightly midweek. Highs on Wednesday and Thursday will be in the upper-70s. It should be warmer by the end of the week when the center of a high pressure system sits to our east. The National Weather Service says it will warm up... [continue]