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图片：day2otlk_0600.gif  图片：day2probotlk_0600_any.gif
...SUMMARY... SIGNIFICANT SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF THE SOUTHERN AND CENTRAL GREAT PLAINS TUESDAY AFTERNOON INTO THE NIGHTTIME HOURS. TORNADOES...SOME STRONG...WILL BE POSSIBLE...IN ADDITION TO VERY LARGE HAIL AND DAMAGING WINDS. ADDITIONAL ISOLATED STRONG STORMS ARE POSSIBLE ACROSS PARTS OF THE OHIO VALLEY TO THE MIDDLE ATLANTIC COAST REGION. 这个4月美国的强对流极其萎靡，终于在月底要迎来一波可看的过程。且对流活动中心位于堪萨斯俄克拉荷马等传统龙卷高发区...SPC已经比较高调地给了Moderate评级 [beta于2016-05-01 12:39编辑了帖子]
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1楼#
发布于：2016-04-25 23:25
評級應該是今年首次吧?
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2楼#
发布于：2016-04-25 23:28
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3楼#
发布于：2016-04-26 06:42
评级面积继续扩大。坐等明天好戏。GR2待命状态。
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4楼#
发布于：2016-04-26 14:23
图片：day1probotlk_1200_torn.gif 图片：day1probotlk_1200_hail.gif
...SUMMARY... SIGNIFICANT SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS PARTS OF THE SOUTHERN AND CENTRAL GREAT PLAINS THIS AFTERNOON INTO THE NIGHTTIME HOURS. TORNADOES...SOME STRONG...WILL BE POSSIBLE...IN ADDITION TO VERY LARGE HAIL AND DAMAGING WINDS. ADDITIONAL ISOLATED STRONG TO SEVERE STORMS ARE POSSIBLE ACROSS PARTS OF THE OHIO VALLEY TO THE MIDDLE ATLANTIC COAST REGION. 最新评级已出，龙卷评级大面积10%,冰雹更是要爆@炸的节奏...相比起来大风还要好一点 |
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5楼#
发布于：2016-04-26 16:18
西部落基山脉对气候影响
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6楼#
发布于：2016-04-27 03:47
THIS IS A PARTICULARLY DANGEROUS SITUATION
SPC10分钟前在奥州大部分地区和德州部分地区发了一报龙卷风消息报（Tornado Watch），并且注明这会是一个特别危险的天气局势。 URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 109 NWS STORM PREDICTION CENTER NORMAN OK 230 PM CDT TUE APR 26 2016 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF SOUTHWEST AND SOUTH CENTRAL THROUGH NORTH CENTRAL AND NORTHEAST OKLAHOMA WEST CENTRAL THROUGH NORTH CENTRAL TEXAS * EFFECTIVE THIS TUESDAY AFTERNOON FROM 230 PM UNTIL MIDNIGHT CDT. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES AND A FEW INTENSE TORNADOES LIKELY WIDESPREAD LARGE HAIL AND SCATTERED VERY LARGE HAIL EVENTS TO 4 INCHES IN DIAMETER EXPECTED WIDESPREAD DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE SUMMARY...NUMEROUS SEVERE THUNDERSTORMS EXPECTED TO RAPIDLY FORM IN THE NEXT COUPLE HOURS OVER WESTERN PART OF WATCH...INCLUDING A FEW STRONG SUPERCELLS CAPABLE OF VERY LARGE HAIL...DAMAGING WIND...AND TORNADOES. THE STORMS SHOULD MERGE INTO BROKEN LINES AND CLUSTERS...WITH EMBEDDED SUPERCELLS CONTINUING TO POSE A RISK FOR VERY LARGE HAIL...DAMAGING WIND.. AND A FEW TORNADOES AS THEY MOVE/DEVELOP EAST-NORTHEAST INTO TONIGHT. THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHEAST OF PONCA CITY OKLAHOMA TO 35 MILES SOUTH SOUTHWEST OF BROWNWOOD TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 106...WW 107...WW 108... AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR 23040. ...CORFIDI Tornadoes
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7楼#
发布于：2016-04-27 06:09
附一张云图
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8楼#
发布于：2016-04-27 12:32
图片：today.gif
图片：ww0109_radar.gif
今天中部形成了一道壮观的飑线，直接结果就是龙卷风特大差评，预报破产，目测只有几个EF0。冰雹确实比较给力，最大报告达到了4英寸（10.1厘米）另外也有数个90mph左右的飓风报告，报告中最大风力91mph。另外除了楼上发的，SPC还发了第二个PDS龙卷风警报。然而没什么卵用 [beta于2016-04-27 12:34编辑了帖子]
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9楼#
发布于：2016-04-27 12:38
图片：latest.gif
今日横扫美国中部的壮观飑线系统 |
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