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توجه: در صورتی که از کاربران قدیمی ایران انجمن هستید و امکان ورود به سایت را ندارید، میتوانید با آیدی altin_admin@ در تلگرام تماس حاصل نمایید.
تجزیه و تحلیل وضعیت جوی در سال زراعی 93-94 /فصل دوم( دي- بهمن-اسفند)
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Ahmad77777
New member
15 سانت واسه مشهد عالیه اگه بیاد.
اینجا هم الآن پنج دقیقه رگبار بارون زد الآن بند آمده.
خدارو شکر سید جان.بارشها لایت بوده درسته؟
وضع هوای نیشابور
هوای حاضر ساعت: ۲۲:۴۱
پیش بینی ۳ روز آینده
پیش بینی ۳ روز آینده
۶° c بارش باران جهت باد: شرقی |
سرعت باد: ۱ متر بر ثانیه, ۳ کیلومتر بر ساعت نم نسبی: % ۸۳ دید افقی: بیش از ۱۰ کیلومتر بارندگی 24 ساعت گذشته: صفر میلیمتر بیشینه دما در 24 ساعت گذشته: ۱۴° c کمینه دما در 24 ساعت گذشته: ۴° c |
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Amir Mohsen
متخصص بخش هواشناسی
منطق ما هم بارونیه
ali.doosti
کاربر ويژه
گویا آبتین نیست کسی از دوستان اطلاع داره یگه لطفا جواب سوالو...
امیر جان از آخرین آپدیت mjo چه خبر...وارد فاز۲شد؟
امیر جان از آخرین آپدیت mjo چه خبر...وارد فاز۲شد؟
Polar vortex to unleash record-breaking cold in eastern U.S. on Thursday,
By Angela Fritz February 18 at 2:24 PM Follow @angelafritz
The coldest outbreak of the season is pushing south into the eastern United States this week. Temperatures will be running as low as 30 to 40 degrees below normal across the Ohio Valley and Mid-Atlantic on Friday morning. Thursday night’s departure from normal temperatures is shown above in Celsius. (tropicaltidbits.com)
The coldest air of the season is surging south this week, leading up to what could be historic cold for parts of the eastern United States.
Thursday and Friday’s polar outbreak could set all-time February low records from Tennessee to Virginia. With a fresh coat of snow, Washington has the potential to dip below zero for the first time since 1994.
All of this is courtesy of a plume of not just Arctic, but Siberian air that has been trudging across the North Pole and into North America over the past week.
With the cold plume already washing over the northern Midwest on Wednesday, NOAA’s Weather Prediction Center suggests settling in for a dose of polar vortex:
Related: More historic February cold on the way for D.C.
Thursday morning lows will dive below zero from the Midwest into the western Mid-Atlantic. Kentucky may wind up being the hardest hit by the Arctic blast, where temperatures will plummet to an astonishing 40 degrees below normal. Forecasts suggest that the entire state will be well below zero on Thursday morning, with some rural areas approaching minus 15 degrees.
Possible Friday morning lows as forecast by the GFS model. (weatherbell.com)
But if Thursday is bad, Friday will be much worse, when sub-zero temperatures dig in across the Midwest, the entire states of Ohio and West Virginia and east into the Mid-Atlantic. The GFS model is forecasting Friday morning lows below minus 20 degrees in parts of Michigan, Indiana, southern Ohio, Kentucky, West Virginia and far western Virginia.
Records for February low temperatures are in jeopardy in Cincinnati; Knoxville, Tenn.; Roanoke, Va. and Charleston, W. Va., says the Weather Channel.
While not everyone will see record-breaking lows this week, the entire eastern half of the United States will see below-average temperatures. When combined with winds, the outbreak will create dangerously cold wind chills on Thursday and Friday morning. Most of the eastern half of the country is painted with wind chill advisories and warnings from the Upper Midwest south into Florida.
Wind chill warnings and advisories are in effect across much of the eastern United States for Thursday and Friday. (National Weather Service)
By Angela Fritz February 18 at 2:24 PM Follow @angelafritz
The coldest outbreak of the season is pushing south into the eastern United States this week. Temperatures will be running as low as 30 to 40 degrees below normal across the Ohio Valley and Mid-Atlantic on Friday morning. Thursday night’s departure from normal temperatures is shown above in Celsius. (tropicaltidbits.com)
The coldest air of the season is surging south this week, leading up to what could be historic cold for parts of the eastern United States.
Thursday and Friday’s polar outbreak could set all-time February low records from Tennessee to Virginia. With a fresh coat of snow, Washington has the potential to dip below zero for the first time since 1994.
All of this is courtesy of a plume of not just Arctic, but Siberian air that has been trudging across the North Pole and into North America over the past week.
So where is record cold for Nashville and the Southeast coming from, check out Siberian Express!! pic.twitter.com/yIbc9780oL
— Tom Niziol (@TomNiziol) February 17, 2015
— Tom Niziol (@TomNiziol) February 17, 2015
With the cold plume already washing over the northern Midwest on Wednesday, NOAA’s Weather Prediction Center suggests settling in for a dose of polar vortex:
Get ready for an even more impressive surge of arctic air later this week as another cold front drops south from Canada. There are indications that this could be some of the coldest weather since the mid-1990s for parts of the Southeast U.S., Mid-Atlantic, and central Appalachians. An eddy of the polar vortex will add to the potency of the surface cold front, thus creating a deep layer of bitterly cold air.
Related: More historic February cold on the way for D.C.
Thursday morning lows will dive below zero from the Midwest into the western Mid-Atlantic. Kentucky may wind up being the hardest hit by the Arctic blast, where temperatures will plummet to an astonishing 40 degrees below normal. Forecasts suggest that the entire state will be well below zero on Thursday morning, with some rural areas approaching minus 15 degrees.
Possible Friday morning lows as forecast by the GFS model. (weatherbell.com)
But if Thursday is bad, Friday will be much worse, when sub-zero temperatures dig in across the Midwest, the entire states of Ohio and West Virginia and east into the Mid-Atlantic. The GFS model is forecasting Friday morning lows below minus 20 degrees in parts of Michigan, Indiana, southern Ohio, Kentucky, West Virginia and far western Virginia.
Records for February low temperatures are in jeopardy in Cincinnati; Knoxville, Tenn.; Roanoke, Va. and Charleston, W. Va., says the Weather Channel.
While not everyone will see record-breaking lows this week, the entire eastern half of the United States will see below-average temperatures. When combined with winds, the outbreak will create dangerously cold wind chills on Thursday and Friday morning. Most of the eastern half of the country is painted with wind chill advisories and warnings from the Upper Midwest south into Florida.
Wind chill warnings and advisories are in effect across much of the eastern United States for Thursday and Friday. (National Weather Service)
آخرین ویرایش:
seyyedalireza
مدیر موقت
بارش شدید بارون در مرکز مشهد واقعا داره شدید میشه صداش داره مياد
ali_kermanshah
کاربر ويژه
سلام
یعنی روی عملکرد این سیستم برای ما می تونه تاثیر بذاره ؟؟
پس چرا نفوذ سرما کمتر شد ؟؟
Ahmad77777
New member
تا الآن که من بیدارم هنوز اینجا داره بارون میاد.البته به صورت نم نم.
درود
چون دشت فیروز کوه در دامنه باد پناه کوه های امین آباد قرار داره اگه به نقشه ناهمواریهای البرز نگاه کنی متوجه میشی فیروزکوه یک دشت مرتفع هست بین دو رشته کوه هست که هم از طرف شمال در دامنه باد پناه کوه های گدوک قرار گرفته و هم ازجنوب در دامنه بادپناه کوههای امین آباد یعنی سیستمهای غربی و جنوبی هم که بارش خوبی رو در دامنه های البرزجنوبی مثل آبعلی ایجاد میکنند نمیتونند در فیروزکوه خوب عمل کنند
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