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Nat'l Weather October 16 2004 (250pm)


Jeb
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Weather pattern change underway

2:50 P.M. ET 10/16/2004

 

R. Hulecki, Meteorologist, The Weather Channel

 

 

 

Northeast

More showers, gusty winds, and cool temperatures are in the forecast for the Northeast on Sunday. The nearly stationary low pressure system that brought miserable weather to the region will start to move out of the Great Lakes on Sunday and be out of the region by early in the week. Most of the rain and showers will remain around the Great Lakes but isolated showers are not out of the questions along the Eastern Seaboard. Once again on Sunday, westerly winds will blow between 15 and 25 mph with gusts to 35 mph throughout the Northeast. Clouds will develop during afternoon heating and a few isolated showers are possible through sunset. Morning lows in the 40s are expected along the coast with 30s elsewhere. Sunday afternoon highs will warm into the 50s for much of the Northeast except around the lakes where the 40s will remain. A general warming trend is expected by midweek with high temperatures in the 60s across New England and the 70s in New York.

 

Midwest

Unfortunately for the Upper Midwest, the cold, wet weather will stick around Sunday and through at least the middle of next week. The area of low- pressure that brought very poor weather to the Great Lakes will slowly rotate toward the northeast but will be replaced with several quick moving systems. The first system is rather weak and will bring a few showers and snow showers to the Dakotas and the northern Great Lakes on Sunday. A second more vigorous storm is right on it’s heals bringing another round of rain and snow showers on Monday. The weather pattern has become very active and will keep the Midwest unsettled and stormy into next week. Portions of the Midwest will start to warm on Sunday as high pressure builds into the region. Sunday will start off cold with 20s extending from Canada into northern Illinois with the 30s around the Lakes and the Ohio Valley. Under partly skies afternoon highs will jump into the 60s and 70s from the central plains to the southern Ohio Valley. Clouds and cool Canadian air will keep the 30s and 40s from North Dakota to northern Michigan. A nice warming trend will start on Sunday and by Tuesday the highs in central Michigan will warm into the 60s with some 70s as far north as Toledo.

 

South

The Southeast will have one more cold morning on Sunday with lows in the 40s from central Alabama, through South Carolina down to the Piedmont of North Carolina. The Upper South will have frosty morning lows in the 30s. By Sunday afternoon, mostly sunny to partly cloudy skies and a ridge of high pressure will allow temperatures to jump into the 70s and 80s, with the mountains and Virginia in the 60s. The one fly in the ointment for the Southeast is a weak disturbance traveling across the mid-South. There might be enough moisture to support the development of a few showers and even a rumble of thunder across northern sections of Mississippi, Alabama, and Georgia. A flat ridge will stay over the South through the middle half of next week which will equate to warmer days and nights but also means a better chance of scattered showers and thunderstorms.

 

West

A very active weather pattern has taken hold in the West. Both corners of the West coast will experience weather on Sunday with two separate storm system moving ashore. A storm sitting off the central California coast will move ashore on Sunday bringing the first rain to Southern California since mid-April. If there is measurable rain in San Diego the record streak of dry days will come to an end. Locally heavy rain is forecast in Southern California as this storm moves through. In the Pacific Northwest several upper-level storms will encourage the weather pattern to flop from warm and sunny to cool and stormy. The first storm system will move through the Montana Rockies into the western high Plains bringing showers and snow showers. The second storm will dig south into Oregon and Northern California on Sunday. Rain and snow will accompany the storm as it barrows its way into the Intermountain West. Snow levels will fall to below pass levels Sunday night to around 5000 feet where 4-6” of snow accumulation is likely. Winds will also be a factor through Sunday night from along the Oregon and California Coastlines to the Sierra Nevada Range. This storm will help develop a trough of low pressure in the West that will keep the western half of the nation stormy and unsettled. The West will also start to cool down on Sunday with highs in the 40s and 50s in the Pacific Northwest with 60s and 70s in the Great Basin and Southern California with a few 80s in the Arizona and the deserts.

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