Dr. Jeff Masters' WunderBlog

Tropical Storm Carlotta forms in the East Pacific
Posted by: Angela Fritz, 17:25 GMT le 14 juin 2012 +39
Tropical Storm Carlotta has formed in the East Pacific, and is heading northwest toward the west coast of Mexico, where impacts are expected to begin on Friday. Carlotta has maximum sustained winds of 45 mph gusting to 55 mph. A hurricane hunter mission is tentatively scheduled for 2pm EDT on Friday. Carlotta's rain is visible on Puerto Ánoel's radar this afternoon. The storm appears to be well-vented, with high-level outflow apparent on satellite, and thunderstorms firing on all sides of the storm's center. The storm is currently in an area of low wind shear, however, shear will likely increase as the storm moves north. Sea surface temperature under Carlotta is slightly above average—around 30°C (86°F)—and is expected to remain around there for the next few days. These conditions are favorable for strengthening. Tropical Storm Carlotta is the 3rd tropical cyclone and named storm in the basin, and is the 5th earliest formation of the season's 3rd storm. The earliest 3rd storm formation on record is June 7th: a record tied by Hurricane Connie of 1974 and Tropical Storm Carlos of 1985.


Visible satellite image of Tropical Storm Carlotta taken at 11am EDT on Thursday.

Forecast for Carlotta
Tropical Storm Carlotta is expected to continue on its path northwest over the next few days, as it approaches the western coast of Mexico, near Acapulco. Most of the reliable track models agree with this (GFS, GFDL, HWRF, UKMET). The GFS ensemble members are basically in agreement with NHC track, however, some ensembles are still suggesting that Carlotta's energy could jump the gap and transfer into the Gulf of Mexico early next week, which is an unlikely solution. The National Hurricane Center is forecasting Carlotta to reach hurricane status on Friday. This intensification, though quick, will be short-lived as the cyclone interacts with land. Granted, the intensity of this system depends heavily on how close to the coast it gets. The mountains of western Mexico can tear apart a tropical storm or weak hurricane with ease. In any case, Carlotta is expected to bring heavy rain to an area prone to flash flooding and landslides.

Meanwhile, in the Atlantic
No tropical cyclone activity is expected in the next couple of days, though some models are suggesting an easterly wave could develop into a weak tropical cyclone in the western Caribbean or southern Gulf of Mexico next week.

Angela
Categories: Hurricane
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1251. LargoFl 16:05 GMT le 15 juin 2012    
Quoting opal92nwf:
Look at that swirl.
...........which way is the headed?
Member Since: 6 août 2011 Posts: 0 Comments: 22426
1252. weatherh98 16:05 GMT le 15 juin 2012    
Quoting Hurricane1216:


Actually, 5.0 Dvorak number translates into 105 mph wind speeds.
you sure

3.5 is 65 and 4.0 is 75.. ik that for sure, so if you extrapolate, it would be 95

edit just saw it was 105
Member Since: 17 juin 2011 Posts: 11 Comments: 6091
1254. Hurricane1216 16:05 GMT le 15 juin 2012    
Quoting opal92nwf:
Look at that swirl.


This is the satellite image of it:

Member Since: 3 Mars 2012 Posts: 8 Comments: 229
1255. KEEPEROFTHEGATE (Mod) 16:06 GMT le 15 juin 2012    
T.C.F.W.
R.I. FLAG ON
03E/XH/C/C2
MARK
14.01N/95.96W
Member Since: 15 juillet 2006 Posts: 143 Comments: 40476
1257. LargoFl 16:08 GMT le 15 juin 2012    
Member Since: 6 août 2011 Posts: 0 Comments: 22426
1258. weatherh98 16:08 GMT le 15 juin 2012    
Quoting InconvenientStorm:
Northern eyewall is in peril. Don't think she'll be able to wrap the convection and close off that crucial part of the system in time. Land interaction is a killer.

A 95mph TC is nothing to play around with.


negative nelly lol
Member Since: 17 juin 2011 Posts: 11 Comments: 6091
1259. HurricaneDean07 16:09 GMT le 15 juin 2012    
Quoting weatherh98:


nino 3.4 has cooled

MAweather showed that yesterday.
Member Since: 3 octobre 2010 Posts: 39 Comments: 4035
1260. opal92nwf 16:09 GMT le 15 juin 2012    
Quoting Hurricane1216:


This is the satellite image of it:


Wow!
Member Since: 12 mai 2012 Posts: 4 Comments: 329
1261. Hurricane1216 16:09 GMT le 15 juin 2012    
Quoting weatherh98:
you sure

3.5 is 65 and 4.0 is 75.. ik that for sure, so if you extrapolate, it would be 95


Here:

3.5 = 55 kts4.0 = 65 kts4.5 =  75 kts5.0 = 90kts
90 kts = 104 mph 
Member Since: 3 Mars 2012 Posts: 8 Comments: 229
1262. tropicfreak 16:09 GMT le 15 juin 2012    
To me, this looks a bit stronger than an 80 mph hurricane.

Looks quite healthy and symmetrical, but lacking a bit of outflow on the southern quad, not uncommon to see that out of tropical systems.

Member Since: 2 septembre 2006 Posts: 110 Comments: 6566
1263. weatherh98 16:09 GMT le 15 juin 2012    
Quoting LargoFl:


oh stop drooling!
Member Since: 17 juin 2011 Posts: 11 Comments: 6091
1264. STXHurricanes2012 16:10 GMT le 15 juin 2012    
Quoting InconvenientStorm:

Chill out. I thought you had that road trip to go on...

lol u chill! I think I know u being another blogger before.
Member Since: 4 juin 2012 Posts: 0 Comments: 767
1265. weatherh98 16:10 GMT le 15 juin 2012    
Quoting HurricaneDean07:

MAweather showed that yesterday.


didnt see it
Member Since: 17 juin 2011 Posts: 11 Comments: 6091
1266. WunderAlertBot (Admin) 16:10 GMT le 15 juin 2012    
JeffMasters has created a new entry.
1268. weatherh98 16:11 GMT le 15 juin 2012    
Quoting Hurricane1216:


Here:

3.5 = 55 kts4.0 = 65 kts4.5 =  75 kts5.0 = 90kts
90 kts = 104 mph 
TA13 lied
Member Since: 17 juin 2011 Posts: 11 Comments: 6091
1269. jeffs713 16:11 GMT le 15 juin 2012    
Quoting weatherh98:


Is it EWRC???

No. You have to have a strong eye wall, first. Carlotta inhaled a good chunk of dry air, which you can see on IR and WV imagery. It tore up her northern side, leaving a sizable gap in her formative eye wall. She will need to close off that gap, and THEN she can intensify. That said, I don't think she has enough time to intensify, due to land interaction (mountains go up pretty steeply from the coast).

She might close off, but I wouldn't hold my breath. Considering everything, I think she's peaked, at around 95mph.
Member Since: 3 août 2008 Posts: 15 Comments: 5722
1270. opal92nwf 16:12 GMT le 15 juin 2012    
Quoting LargoFl:
...........which way is the headed?

It seems pretty stationary, though it would be interesting to see one of those move over land.
Member Since: 12 mai 2012 Posts: 4 Comments: 329
1271. STXHurricanes2012 16:13 GMT le 15 juin 2012    
Quoting weatherh98:
TA13 lied

?
Member Since: 4 juin 2012 Posts: 0 Comments: 767
1272. STXHurricanes2012 16:16 GMT le 15 juin 2012    
Btw I am leaving tomorrow morning at 4 am!
Member Since: 4 juin 2012 Posts: 0 Comments: 767
1273. HurricaneHunterJoe 16:46 GMT le 15 juin 2012    
Quoting KEEPEROFTHEGATE:
large bombs come in small packages
Yup,Think Andrew
Member Since: 18 septembre 2010 Posts: 0 Comments: 2690

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About JeffMasters
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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