wxmx Posted November 24, 2016 Share Posted November 24, 2016 2 minutes ago, Amped said: Dropsondes 11/23 22:56: 992mb 11/24 00:01z: 986mb That last one wasn't in the center. 40+ kts winds Link to comment Share on other sites More sharing options...
wxmx Posted November 24, 2016 Share Posted November 24, 2016 103 FL, with multiple 90+ kts SFMR (flagged), 88 kts unflagged. 971.2 extrapolated with 50 kts winds Link to comment Share on other sites More sharing options...
Amped Posted November 24, 2016 Share Posted November 24, 2016 4 minutes ago, wxmx said: 103 FL, with multiple 90+ kts SFMR (flagged), 88 kts unflagged. 971.2 extrapolated with 50 kts winds Special NHC update will probably be out soon to increase the max wind. 75mph at the 7pm advisory. Link to comment Share on other sites More sharing options...
hlcater Posted November 24, 2016 Share Posted November 24, 2016 Bombs away! Link to comment Share on other sites More sharing options...
wxmx Posted November 24, 2016 Share Posted November 24, 2016 Quote Significant Wind Levels Level Wind Direction Wind Speed 981mb (Surface) 305° (from the NW) 93 knots (107 mph) 972mb 315° (from the NW) 111 knots (128 mph) 962mb 330° (from the NNW) 120 knots (138 mph) 957mb 345° (from the NNW) 114 knots (131 mph) 951mb 350° (from the N) 95 knots (109 mph) 949mb 350° (from the N) 99 knots (114 mph) 948mb 350° (from the N) 111 knots (128 mph) 945mb 355° (from the N) 109 knots (125 mph) 943mb 0° (from the N) 112 knots (129 mph) 937mb 15° (from the NNE) 101 knots (116 mph) 934mb 15° (from the NNE) 102 knots (117 mph) 928mb 15° (from the NNE) 98 knots (113 mph) 925mb 25° (from the NNE) 101 knots (116 mph) 921mb 25° (from the NNE) 96 knots (110 mph) 914mb 40° (from the NE) 99 knots (114 mph) 910mb 40° (from the NE) 94 knots (108 mph) 850mb 55° (from the NE) 77 knots (89 mph) 842mb 60° (from the ENE) 71 knots (82 mph) Link to comment Share on other sites More sharing options...
wxmx Posted November 24, 2016 Share Posted November 24, 2016 The VDM is probably based on the sonde above...it should be a lot lower than 979...thats 93kts surface... Link to comment Share on other sites More sharing options...
hawkeye_wx Posted November 24, 2016 Share Posted November 24, 2016 It has obviously been reforming the core with a nice burst of intense convection, but that's a heck of a pressure drop in only 80 minutes. Link to comment Share on other sites More sharing options...
Morris Posted November 24, 2016 Share Posted November 24, 2016 Recon going in for a third time. That's insane stuff. Link to comment Share on other sites More sharing options...
JasonOH Posted November 24, 2016 Share Posted November 24, 2016 This is an interesting sonde in my opinion. It is less than a minute after the 992 drop that I think was used for VDM. Link to comment Share on other sites More sharing options...
Amped Posted November 24, 2016 Share Posted November 24, 2016 982mb on the last pass. Also FL temp was quite a bit colder. Looks like the RI pulse has halted for now. Link to comment Share on other sites More sharing options...
hlcater Posted November 24, 2016 Share Posted November 24, 2016 4 minutes ago, Amped said: 982mb on the last pass. Also FL temp was quite a bit colder. Looks like the RI pulse has halted for now. It didn't look like they hit the absolute eye though. Winds were still 20-25kts. Link to comment Share on other sites More sharing options...
Amped Posted November 24, 2016 Share Posted November 24, 2016 Just now, NWLinnCountyIA said: It didn't look like they hit the absolute eye though. Winds were still 20-25kts. Close enough. Some of this RI may have been temporary. 992mb to 982mb in 2 hrs is still pretty fast deepening. Link to comment Share on other sites More sharing options...
Morris Posted November 24, 2016 Share Posted November 24, 2016 HURRICANE OTTO DISCUSSION NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162016 1000 PM EST WED NOV 23 2016 A strong convective burst occurred near the center of Otto as an Air Force Reserve Hurricane Hunter aircraft investigated the cyclone near 0000 UTC. This resulted in the aircraft reporting central pressures near 977-979 mb, 850-mb flight-level winds in excess of 100 kt, and dropsondes supporting surface winds of at least 80 kt. However, these winds may have been associated with a transient mesocyclone in the strong convection, as data from a subsequent penetration showed a central pressure near 981 mb and lower winds. The initial intensity is now 75 kt based on 700-mb flight-level winds from the last aircraft pass, and there is a larger than normal uncertainty about this value. Link to comment Share on other sites More sharing options...
hawkeye_wx Posted November 24, 2016 Share Posted November 24, 2016 The eye is popping on satellite just as Otto moves inland. Fortunately, the eye will be hitting a sparsely-populated part of Nicaragua. Rainfall should be a big deal as it moves inland. Link to comment Share on other sites More sharing options...
Amped Posted November 24, 2016 Share Posted November 24, 2016 975mb 110mph, almost got to cat 3 anyway. Link to comment Share on other sites More sharing options...
Sickman Posted November 25, 2016 Share Posted November 25, 2016 Is this the first case of an Atlantic TC keeping its name after crossing into the EPac? Link to comment Share on other sites More sharing options...
Amped Posted November 25, 2016 Share Posted November 25, 2016 27 minutes ago, Sickman said: Is this the first case of an Atlantic TC keeping its name after crossing into the EPac? It is since they changed the rule that it keeps the same name. These storms also made it across without losing tropical storm status. All had very similar tracks to Otto. https://en.wikipedia.org/wiki/List_of_Atlantic–Pacific_crossover_hurricanes Ceaser/ Douglas in 1996 Joan Miriam 1988 Hurricane 4 1911 Hurricane 4 1876 Link to comment Share on other sites More sharing options...
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