簽到天數: 3291 天 [LV.Master]伴壇終老
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t02436|2015-6-13 23:59
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NHC 15Z報評價65節
升格C1
成為東太史上第二早出現第三個颶風
ZCZC MIATCDEP3 ALL
TTAA00 KNHC DDHHMM
HURRICANE CARLOS DISCUSSION NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL EP032015
1000 AM CDT SAT JUN 13 2015
Satellite data indicate that Carlos has strengthened with a ragged
eye becoming apparent on the latest visible imagery. In addition,
radar data from Acapulco show that an eyewall has become
established, although it is still open on the north side. Dvorak
estimates from TAFB/SAB are 65 kt, so this will be the initial
intensity.
After an eastward jog overnight, Carlos appears to have resumed a
northwestward drift. For the rest of the weekend, a building ridge
over Mexico is expected to steer Carlos generally to the
west-northwest. Thereafter, a mid-level trough near the Baja
California peninsula should cause Carlos to turn northwestward.
However, the hurricane is now farther to the east than expected
yesterday, which has moved the track closer to the southwestern
coast of Mexico. Track guidance has been steadily shifting
eastward, and a few models are now showing landfall in Mexico. While
I am not yet ready to show that solution, the NHC prediction has
been shifted eastward to account for the greater threat to Mexico.
Accordingly, the government of Mexico has issued a tropical storm
warning and hurricane watch for a portion of the southwestern coast.
Since Carlos is expected to remain over very warm water with
decreasing shear, it seems likely that further intensification will
occur over the next day or so. However, there is very poor
agreement on what will occur after that time due to competing
atmospheric factors and possible land interaction. The new NHC
forecast stays on the upper end of the guidance and is raised from
the previous one. It is worth noting that the normally
conservative HWRF is above the latest NHC prediction.
With Carlos becoming a hurricane, this is the second earliest on
record that the third hurricane has occurred in the eastern
Pacific season, one day behind the third hurricane of 1956.
FORECAST POSITIONS AND MAX WINDS
INIT 13/1500Z 14.9N 100.2W 65 KT 75 MPH
12H 14/0000Z 15.2N 100.5W 70 KT 80 MPH
24H 14/1200Z 15.8N 101.3W 75 KT 85 MPH
36H 15/0000Z 16.3N 102.2W 75 KT 85 MPH
48H 15/1200Z 16.9N 103.1W 70 KT 80 MPH
72H 16/1200Z 18.6N 105.0W 65 KT 75 MPH
96H 17/1200Z 20.5N 106.2W 50 KT 60 MPH
120H 18/1200Z 22.5N 107.5W 40 KT 45 MPH
$$
Forecaster Blake
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