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Eastern North Pacific Tropical Weather Outlook
2020-07-08 07:12:28| National Hurricane Center (East Pacific)
000 ABPZ20 KNHC 080512 TWOEP Tropical Weather Outlook NWS National Hurricane Center Miami FL 1100 PM PDT Tue Jul 7 2020 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Tropical Storm Cristina, located a few hundred miles south of Manzanillo, Mexico. An area of low pressure located about 1000 miles southwest of the southern tip of the Baja California peninsula continues to produce disorganized showers and thunderstorms. Some slow development of this system is possible during the next two or three days before environmental conditions become unfavorable. This system is expected to generally drift northward during the next few days. * Formation chance through 48 hours...low...30 percent. * Formation chance through 5 days...medium...40 percent. An area of low pressure is forecast to form south of the Gulf of Tehuantepec late this week or this weekend. Environmental conditions are expected to be conducive for development, and a tropical depression could form early next week while the system moves westward well south of the coast of Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...40 percent. $$ Forecaster Cangialosi
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Atlantic Tropical Weather Outlook
2020-07-08 07:11:31| National Hurricane Center (Atlantic)
000 ABNT20 KNHC 080511 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 AM EDT Wed Jul 8 2020 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: An area of low pressure centered inland over South Carolina continues to produce a large area of disorganized showers and heavy rain over portions of the southeastern United States. The low is expected to move east-northeastward toward the coast later today and then turn northeastward near or just offshore of the Carolinas and the mid-Atlantic states Thursday and Friday, where a tropical or subtropical cyclone could form if the low moves over water. Regardless of development, the low is expected to to produce locally heavy rainfall that could cause flash flooding across portions of the southeastern and mid-Atlantic U.S. during the next few days. * Formation chance through 48 hours...medium...40 percent. * Formation chance through 5 days...medium...50 percent. $$ Forecaster Cangialosi
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Tropical Storm Cristina Graphics
2020-07-08 04:39:06| National Hurricane Center (East Pacific)
5-Day Uncertainty Track last updated Wed, 08 Jul 2020 02:39:06 GMT Wind Speed Probabilities last updated Wed, 08 Jul 2020 02:39:06 GMT
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Tropical Storm Cristina Forecast Discussion Number 6
2020-07-08 04:37:58| National Hurricane Center (East Pacific)
Issued at 1000 PM CDT Tue Jul 07 2020 000 WTPZ45 KNHC 080237 TCDEP5 Tropical Storm Cristina Discussion Number 6 NWS National Hurricane Center Miami FL EP052020 1000 PM CDT Tue Jul 07 2020 Since the previous advisory, Cristina's well-defined low-level center became briefly exposed for a couple of hours, likely resulting in a slight spin-down of the vortex. However, deep convection has recently redeveloped over and southwest of the center, so the intensity will be held at 40 kt for this advisory, which is a blend of TAFB and SAB subjective satellite classifications, and the most recent downward-trending UW-CIMSS ADT estimate of T2.9/43 kt. The initial motion estimate is 300/13 kt. There is no significant change to the previous forecast track or reasoning. The latest NHC model guidance remains in excellent agreement on Cristina moving west-northwestward south of a nearly stationary deep-layer subtropical ridge for the next 5 days. The new NHC forecast track is a tad north of the previous advisory track, and lies close to the tightly packed simple and corrected consensus models. High-resolution GOES-16 visible satellite imagery indicates that Cristina's center has been moving closer to the center of the synoptic-scale upper-level anticyclone where the vertical wind shear should be lower. The recent burst of deep convection near the center could the beginning stages of more significant strengthening owing to the lower shear, high mid-level humidity near 80 percent, and sea-surface temperatures (SSTs) near 29C. Therefore, steady strengthening is forecast for the next 60 h while the cyclone remains over warm SSTs, and a period of rapid intensification (RI) is still possible during the next couple of days. By 72 h and beyond, however, Cristina will be moving over sub-26 deg C SSTs that will decrease to about 22C by 120 h, with the much cooler water inducing steady weakening on days 4-5. The NHC intensity forecast is similar to the IVCN intensity guidance through 36 hours, and then is slightly higher than the guidance in order to maintain continuity with the previous intensity forecast and also due to the possibility of RI occurring. FORECAST POSITIONS AND MAX WINDS INIT 08/0300Z 13.8N 105.3W 40 KT 45 MPH 12H 08/1200Z 14.7N 106.7W 50 KT 60 MPH 24H 09/0000Z 15.9N 108.6W 55 KT 65 MPH 36H 09/1200Z 17.0N 110.4W 65 KT 75 MPH 48H 10/0000Z 17.8N 112.2W 75 KT 85 MPH 60H 10/1200Z 18.8N 114.2W 80 KT 90 MPH 72H 11/0000Z 19.8N 116.5W 80 KT 90 MPH 96H 12/0000Z 21.4N 121.6W 65 KT 75 MPH 120H 13/0000Z 22.1N 127.0W 50 KT 60 MPH $$ Forecaster Stewart
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Summary for Tropical Storm Cristina (EP5/EP052020)
2020-07-08 04:36:57| National Hurricane Center (East Pacific)
...CRISTINA EXPECTED TO BECOME A HURRICANE BY THURSDAY... As of 10:00 PM CDT Tue Jul 7 the center of Cristina was located near 13.8, -105.3 with movement WNW at 15 mph. The minimum central pressure was 1003 mb with maximum sustained winds of about 45 mph.
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