CRISTOBAL heads Out to Sea / Invest 98 in GOM / Disturbance approaches CARIB

By: Dr. Jeff Masters, 05:05 PM GMT on Kolovoz 27, 2014

(By Steve Gregory - Subbing for Dr. Masters who is on Vacation.)


CRISTOBAL is located about 360NM SE of Cape Hatteras moving North at around 11Kts. The storm remains a minimal hurricane with sustained surface winds around 65Kts. ALL models call for the storm to turn NNE and then NE at an accelerated pace as an upper air, mid-latitude TROF moves into the Northeastern US. While the storm may see some additional intensific...

Updated: 05:22 PM GMT on Kolovoz 27, 2014

Cristobal a Hurricane; Little Change to 97L

By: Dr. Jeff Masters, 12:25 PM GMT on Kolovoz 26, 2014

It doesn't look much like hurricane, but the Hurricane Hunters measured surface winds around 75 mph on Monday evening and Tuesday morning in Hurricane Cristobal, making it the third hurricane of the 2014 Atlantic hurricane season. These missions proved the value of hurricane hunter flights, since there is no way that we would have known Cristobal was a hurricane based on satellite data. The storm is stretched out in a long line of heavy thunderstorms, has no eye or...


Strengthening Cristobal Headed Out to Sea; 97L and Gulf of Mexico Worth Watching

By: Dr. Jeff Masters, 03:23 PM GMT on Kolovoz 25, 2014

Tropical Storm Cristobal continues to dump heavy rains over the Central and Southeast Bahamas and Turks and Caicos Islands as the storm heads slowly north-northeastwards out to sea. Satellite loops show that Cristobal is struggling with wind shear, with a center of circulation that is completely exposed to view, and all the heavy thunderstorms pushed to the south and east sides of the center. The shear is expected to relax by Wednesday as a trough of low pressure ca...


Tropical Storm Cristobal Slowly Intensifying – Very Little Threat to US

By: Dr. Jeff Masters, 04:45 PM GMT on Kolovoz 24, 2014

(By Steve Gregory - Substituting for Dr. Masters who is on Vacation.)

Edited for latest Fix data, VIS image and Naval FCST Chart - shown in BOLD

Slowly intensifying Tropical STORM Cristobal with MAX sustained surface winds near 45Kts was near 23.2°N / 72.8°W at 18:00Z,or about 320NM E of Nassau, Bahamas now appears to be heading just west of due North (350°) at around 5Kts as it has become caught up in the generally southerly flow just e...

Updated: 08:23 PM GMT on Kolovoz 24, 2014

Atlantic Disturbance 96L (Interim Update)

By: Dr. Jeff Masters, 08:46 PM GMT on Kolovoz 23, 2014

(By Steve Gregory - Substituting for Dr. Masters who is on Vacation.)

Over the past few hours, a low level circulation appears to be developing in the vicinity of 21°N/73°W (near Great Inagua Island) based on both RECON reports and high resolution VIS imagery loops.

While there is some convection developing close to this circulation feature, and there have been A/C sampled wind reports of gale force– it’s probably a ‘toss-up’ whether...

Updated: 08:54 PM GMT on Kolovoz 23, 2014

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Jeff co-founded the Weather Underground in 1995 while working on his Ph.D. He flew with the NOAA Hurricane Hunters from 1986-1990.

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