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Posted on 08/16/2007 4:43:17 AM PDT by NautiNurse
Hurricane warnings have been issued for Dominica and St. Lucia as Hurricane Dean races westward into the Caribbean Sea at 24mph. This motion should bring the center of Dean near the Lesser Antilles on Friday. The increased forward speed of the storm has lessened preparation time for Caribbean Islands in its path. Hurricane Dean has favorable conditions to develop into a major hurricane over the next several days.
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Hurricane City
Category | Wind Speed | Barometric Pressure | Storm Surge | Damage Potential |
---|---|---|---|---|
Tropical Depression |
< 39 mph < 34 kts |
Minimal | ||
Tropical Storm |
39 - 73 mph 34 - 63 kts |
Minimal | ||
Hurricane 1 (Weak) |
74 - 95 mph 64 - 82 kts |
28.94" or more 980.02 mb or more |
4.0' - 5.0' 1.2 m - 1.5 m |
Minimal damage to vegetation |
Hurricane 2 (Moderate) |
96 - 110 mph 83 - 95 kts |
28.50" - 28.93" 965.12 mb - 979.68 mb |
6.0' - 8.0' 1.8 m - 2.4 m |
Moderate damage to houses |
Hurricane 3 (Strong) |
111 - 130 mph 96 - 112 kts |
27.91" - 28.49" 945.14 mb - 964.78 mb |
9.0' - 12.0' 2.7 m - 3.7 m |
Extensive damage to small buildings |
Hurricane 4 (Very strong) |
131 - 155 mph 113 - 135 kts |
27.17" - 27.90" 920.08 mb - 944.80 mb |
13.0' - 18.0' 3.9 m - 5.5 m |
Extreme structural damage |
Hurricane 5 (Devastating) |
Greater than 155 mph Greater than 135 kts |
Less than 27.17" Less than 920.08 mb |
Greater than 18.0' Greater than 5.5m |
Catastrophic building failures possible |
We’re all good. v junior is off in the Navy now that he’s finished schrool.
My son is in the Navy. When he first went in, he was on a tanker(?). He called me one day. He was all in awe. They were leaving port for a hurricane coming in. He was telling me that as far as he could see, ships were following him. I had to laugh. Of course they were. He was carrying the gas:’)
My son is in the Navy. When he first went in, he was on a tanker(?). He called me one day. He was all in awe. They were leaving port for a hurricane coming in. He was telling me that as far as he could see, ships were following him. I had to laugh. Of course they were. He was carrying the gas:’)
My son is in the Navy. When he first went in, he was on a tanker(?). He called me one day. He was all in awe. They were leaving port for a hurricane coming in. He was telling me that as far as he could see, ships were following him. I had to laugh. Of course they were. He was carrying the gas:’)
The Dean hurricane which moves right on Martinique comprises gusts going until 130km/h. the authorities launched to 17 hours the red alert, it quasi totality of the communes of the island took dispostions to accomodate people in shelters. They also have each one a PC of crisis.The animation and the Drafting of Rci are mobilized and there for you to inform all the night.
Oops
Excellent find. Thanks!
~~~~~~
Tropical Storm Public Advisory
Statement as of 2:00 am AST on August 17, 2007
...Center of Dean to pass near Martinique and St. Lucia during the next few hours...
a Hurricane Warning remains in effect for St. Lucia...Martinique...Dominica...and Guadeloupe and its dependencies. Preparations to protect life and property should be very near completion.
A Tropical Storm Warning remains in effect for the U.S. Virgin Islands and Puerto Rico. A Tropical Storm Warning also remains in effect for the following islands of the Lesser Antilles...Grenada and its dependencies...St. Vincent and The Grenadines...Barbados...Saba...St. Eustatius...Montserrat...Antigua...Nevis...St Kitts... Barbuda...St. Maarten...and Anguilla.
A Tropical Storm Warning means that tropical storm conditions are expected within the warning area within the next 24 hours.
A tropical storm watch remains in effect for the South Coast of the Dominican Republic from Cabo engano to the Haiti/Dominican Republic border. A tropical storm watch means that tropical storm conditions are possible within the watch area...generally within 36 hours.
Interests in the central and western Caribbean...including Haiti...Jamaica...and the Cayman Islands...should closely monitor the progress of Dean.
For storm information specific to your area...including possible inland watches and warnings...please monitor products issued by your local weather office.
At 200 am AST...0600z...French radar data from Martinique helped locate the center of Hurricane Dean near latitude 14.3 north... longitude 59.8 west or about 85 miles...135 km...east-southeast of Martinique and about 90 miles...140 km...north-northwest of Barbados.
Dean is moving toward the west near 25 mph...41 km/hr...and this motion is expected to continue for the next 24 hours. On the forecast track...the center of Dean will be passing very near the islands of St. Lucia and Martinique within the next six hours.
Maximum sustained winds are near 100 mph...160 km/hr...with higher gusts. Dean is a category two hurricane on the Saffir-Simpson scale. Stronger winds...especially in gusts...are likely over elevated terrain near the path of the center. Some strengthening is forecast during the next 24 hours.
Hurricane force winds extend outward up to 25 miles...35 km...from the center...and tropical storm force winds extend outward up to 140 miles...220 km.
The estimated minimum central pressure is 976 mb...28.82 inches.
Storm surge flooding of 2 to 4 feet above normal tide levels... accompanied by large and dangerous battering waves...is possible near the center of Dean.
Storm total rainfall of 2 to 5 inches...with isolated maximum amounts of 10 inches in mountainous areas...are possible in association with Dean in the Lesser Antilles. Across Puerto Rico...storm total amounts of 1 to 2 inches can be expected...with maximum amounts of up to 5 inches. These rains could cause life-threatening flash floods and mudslides.
Repeating the 200 am AST position...14.3 N...59.8 W. Movement toward...west near 25 mph. Maximum sustained winds...100 mph. Minimum central pressure...976 mb.
The next advisory will be issued by the National Hurricane Center at 500 am AST.
Forecaster Beven
Sorry.
Statement as of 5:00 am AST on August 17, 2007
...Center of Dean passing near St. Lucia and Martinique. A Hurricane Warning remains in effect for St. Lucia... Martinique... Dominica...and Guadeloupe and its dependencies. Preparations to protect life and property should be rushed to completion. At 5 am AST...0900 UTC...the meteorological service of Antigua has issued a Tropical Storm Warning for the British Virgin Islands. A Tropical Storm Warning remains in effect for the U.S. Virgin Islands and Puerto Rico. A Tropical Storm Warning also remains in effect for the following islands of the Lesser Antilles...Grenada and its dependencies...St. Vincent and The Grenadines...Barbados... Saba...St. Eustatius... Montserrat...Antigua...Nevis...St Kitts...Barbuda...St. Maarten...and Anguilla. A Tropical Storm Warning means that tropical storm conditions are expected within the warning area within the next 24 hours. At 5 am AST...0900 UTC...a tropical storm watch is in effect for the southwestern peninsula of Haiti from Port-au-Prince to the Haiti/Dominican Republic border. A tropical storm watch remains in effect for the South Coast of the Dominican Republic from Cabo engano to the Haiti/Dominican Republic border. A tropical storm watch means that tropical storm conditions are possible within the watch area...generally within 36 hours. Interests elsewhere in the central and western Caribbean...including Jamaica and the Cayman Islands...should closely monitor the progress of Dean. For storm information specific to your area...please monitor products issued by your local weather office. At 500 am AST...0900z...the center of Hurricane Dean was located near latitude 14.3 north...longitude 60.9 west or in the St. Lucia channel between St. Lucia and Martinique. Dean is moving toward the west near 24 mph...39 km/hr...and this general motion is expected to continue with some decrease in forward speed during the next 24 hours. This motion should take the center of Dean away from the Lesser Antilles later today. Maximum sustained winds are near 100 mph...160 km/hr...with higher gusts. Dean is a category two hurricane on the Saffir-Simpson scale. Stronger winds...especially in gusts...are likely over elevated terrain near the path of the center. Some strengthening is forecast during the next 24 hours. Hurricane force winds extend outward up to 25 miles...35 km...from the center...and tropical storm force winds extend outward up to 140 miles...220 km. Fort-de-France on Martinique recently reported a wind gust of 59 mph...94 km/hr...while Barbados has recently reported a wind gust of 55 mph...89 km/hr. The estimated minimum central pressure is 976 mb...28.82 inches. Storm surge flooding of 2 to 4 feet above normal tide levels... accompanied by large and dangerous battering waves...is possible near the center of Dean. Storm total rainfall of 2 to 5 inches...with isolated maximum amounts of 10 inches in mountainous areas...are possible in association with Dean in the Lesser Antilles. Across Puerto Rico...storm total amounts of 1 to 2 inches can be expected...with maximum amounts of up to 5 inches. These rains could cause life-threatening flash floods and mudslides. Repeating the 500 am AST position...14.3 N...60.9 W. Movement toward...west near 24 mph. Maximum sustained winds...100 mph. Minimum central pressure...976 mb. An intermediate advisory will be issued by the National Hurricane Center at 800 am AST followed by the next complete advisory at 1100 am AST. $$ Forecaster Beven
Statement as of 5:00 am EDT on August 17, 2007
The convective organization of Dean is not very impressive in either satellite imagery or imagery from the French radar on Martinique. There are only occasional glimpses of a ragged eye on radar...and the eyewall has been at best about 50 percent coverage. Satellite intensity estimates are 77 kt from both TAFB and SAB...which are unchanged from earlier. The initial intensity will remain 85 kt for this advisory...but it is possible this is a little generous. The initial motion is 275/21. Dean is on the south side of a deep-layer ridge...and this should continue for the next 72 hr with Dean remaining on a general westward to west-northwestward track. The large-scale models have seemingly responded to the G-IV jet mission by showing a slightly weaker ridge north of Dean...with a motion that is slower and a little to the right of previous forecasts. Given the initial motion...the first 12 hr of the forecast track will be essentially unchanged from the previous package...with a slight nudge to the right from 12-72 hr. After 72 hr...the forecast is becoming more problematic due to uncertainties in the eventual interaction of Dean and the upper-level low forecast to be over the Gulf of Mexico. The GFDL and UKMET models now call for Dean to turn northwestward into the central Gulf...while the Canadian...NOGAPS...and European models continue to forecast a westward motion across the Yucatan Peninsula into the Bay of Campeche. The GFS and the various consensus models are between these two extremes. The forecast track after 72 hr is also nudged a little to the right in agreement with the consensus guidance. The development of Dean has apparently been slowed by a combination of dry air intrusion in the western semicircle and light westerly shear. These conditions may persist for another 12-24 hr...so the intensity forecast calls for slow strengthening during this time. After 24 hr...conditions should be favorable for significant strengthening...with most of the intensity guidance calling for Dean to reach at least category 4 strength. The intensity forecast is the same as in the earlier advisory through 72 hr...then slightly stronger thereafter. It should be noted that the weakening from 96 to 120 hr is based on Dean crossing the Yucatan Peninsula...and if it instead moves through the Yucatan Channel it could remain stronger. Forecast positions and Max winds initial 17/0900z 14.3n 60.9w 85 kt 12hr VT 17/1800z 14.7n 63.6w 90 kt 24hr VT 18/0600z 15.3n 67.0w 95 kt 36hr VT 18/1800z 16.1n 70.5w 105 kt 48hr VT 19/0600z 16.9n 74.0w 115 kt 72hr VT 20/0600z 18.5n 81.0w 120 kt 96hr VT 21/0600z 20.5n 87.0w 125 kt 120hr VT 22/0600z 23.0n 92.0w 95 kt $$ forecaster Beven
Please, no more “nudges to the right”!
Unless it is a rather hard right and a stall over Cuba ;-)
Things could get quite interesting by this time next week for those of us on the Texas gulf coast.
Looks like I gotta go stock up on gas for the generator this weekend before the prices go outa sight.
Not good.
The development of Dean has apparently been slowed by a combination of dry air intrusion in the western semicircle and light westerly shear. These conditions may persist for another 12-24 hr...so the intensity forecast calls for slow strengthening during this time.
Dean is already looking like the dry air's impact is lessening.
I’m in Puerto Rico right now... returning to Baltimore tonight... Dean will be a big rainmaker in PR tomorrow and Sunday, but the biggest concern of the people here is that Dean takes a northwardly last-minute turn and strikes the island head-on, just like Hugo in ‘89 and Georges in ‘98...
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