Difference between revisions of "TD18 (2145)"

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{{Storm active2|name=Subtropical Storm Cassandra
 
{{Storm active2|name=Subtropical Storm Cassandra
|category=cat1|type=Subtropical storm
+
|category=storm|type=Extratropical storm
|local time=0330
+
|local time=1530
 
|date=July 30
 
|date=July 30
 
|year=2145
 
|year=2145
|location=[http://img224.imageshack.us/my.php?image=forecastmu6.png 41.0°N 22.0°E]<br/>275 km (170 miles) east of the Liverpool England Marine/Naval Base
+
|location=[http://img224.imageshack.us/my.php?image=forecastmu6.png 41.8°N 23.2°E]
|winds=120 km/h (75 mph)
+
|winds=95 km/h (60 mph)
 
|windtype=1-minute sustained
 
|windtype=1-minute sustained
|pressure=995 hPa
+
|pressure=998 hPa
|movement=East-northeast at 70 km/h (44 mph)
+
|movement=Northeast at 95 km/h (60 mph)
|advisory=latest}}
+
|advisory=final}}
{{TCwarnings|http://img148.imageshack.us/img148/4663/nsts4518fv3.png}}
+
 
<div style="clear: both"></div>
 
<div style="clear: both"></div>
 
----
 
----
 
  4518 TCWC HPCLC
 
  4518 TCWC HPCLC
  SUBTROPICAL STORM CASSANDRA (4518) ADVISORY 002
+
  SUBTROPICAL STORM CASSANDRA (4518) FINAL ADVISORY 003
 
  [[Liverpool England|LIVERPOOL ENGLAND]] [[Liverpool England Meteorological Service|MET SERVICE HURRICANE PREDICTION CENTRE]]
 
  [[Liverpool England|LIVERPOOL ENGLAND]] [[Liverpool England Meteorological Service|MET SERVICE HURRICANE PREDICTION CENTRE]]
 
  OREAN, SER, LIVERPOOL ENGLAND HEADQUARTERS
 
  OREAN, SER, LIVERPOOL ENGLAND HEADQUARTERS
  7 AM PAX... 9 AM HPT... 9:30 AM LOCAL TIME JUL 30 2145
+
  1 PM PAX... 3 PM HPT... 3:30 PM LOCAL TIME JUL 30 2145
 
   
 
   
  ..CASSANDRA REACHES HURRICANE STRENGTH...
+
  ..ALL TROPICAL CYCLONE WARNINGS AND WATCHES DISCONTINUED AS CASSANDRA BECOMES
 +
EXTRATROPICAL... INLAND WATCHES AND WARNINGS FOR HIGH WINDS MAY STILL BE IN
 +
EFFECT...
 
   
 
   
  AT 9 AM HPT... A HURRICANE WARNING WILL SUPERSEDE THE TROPICAL STORM WARNING AND
+
  CASSANDRA HAS LOST ITS LAST REMAINING TROPICAL FEATURES OF A WARM CORE... AND IS
  TROPICAL STORM WATCH FROM THE COAST IMMEDIATELY EAST OF THE LIVERPOOL ENGLAND
+
  INCREASINGLY ASYMMETRIC. AS SUCH... IT IS BEING DESIGNATED EXTRATROPICAL... AND
MARINE/NAVAL BASE... NORTHWARD TO 42 N 22 E. A TROPICAL STORM WARNING REMAINS IN
+
  THIS WILL CONSEQUENTLY BE THE FINAL ADVISORY ON THIS STORM UNLESS TROPICAL REGENERATION
  EFFECT SOUTHWARD TO THE OLD BORDER WITH UPPER BISWALD... WHILE A TROPICAL STORM
+
  OCCURS.
  WATCH REMAINS IN EFFECT NORTHWARD TO 42.6 N 22.4 E.
+
 
   
 
   
  INITIAL INTENSITY OF 65 KT... HURRICANE STRENGTH... IS BASED OFF QUIKSCAT... A
+
  AT 3 PM HPT... THE CENTRE OF THE EXTRATROPICAL CYCLONE WAS LOCATED NEAR LATITUDE
  POSSIBLE EYE-LIKE FEATURE ONLY DETECTABLE WITH A TRMM PASS... AND SHIP REPORT OF
+
  41.8 NORTH LONGITUDE 23.2 EAST. THE MAXIMUM SUSTAINED WINDS ARE NEAR 95 KM/H... 60 MPH
75-KT GUST ABOUT 300 KM NNE OF THE LARGE SYSTEM... WHICH WILL SOON BEGIN TRANSITION
+
  AND MINIMUM CENTRAL PRESSURE IS ESTIMATED TO BE 998 HPA. THE SYSTEM IS MOVING TO THE
  TO AN EXTRATROPICAL CYCLONE. BECAUSE CASSANDRA RETAINS SOME NON-TROPICAL
+
  NORTHEAST AT NEAR 95 KM/H... 60 MPH.
  CHARACTERISTICS... IT HAS NOT BEEN UPGRADED TO A HURRICANE.
+
 
   
 
   
  AT 9 AM HPT... THE CENTRE OF SUBTROPICAL STORM CASSANDRA WAS LOCATED NEAR LATITUDE
+
  STORM-FORCE WINDS EXTEND OUTWARD UP TO 515 KM... 320 MILES... FROM THE CENTRE. GALE-
  41.0 NORTH LONGITUDE 22.0 EAST... OR ABOUT 275 KM... 170 MILES... EAST OF THE LIVERPOOL
+
  FORCE WINDS EXTEND OUTWARD UP TO 850 KM... 530 MILES... FROM THE CENTRE. THEREFORE...
ENGLAND MARINE AND NAVAL BASE. THE MAXIMUM SUSTAINED WINDS ARE NEAR 120 KM/H... 75 MPH
+
  A HIGH WIND WARNING MAY BE IN EFFECT FOR SOME INLAND AREAS... PLEASE CHECK WITH LOCAL
  AND MINIMUM CENTRAL PRESSURE IS ESTIMATED TO BE 995 HPA. THE SYSTEM IS MOVING TO THE
+
  AUTHORITIES.
  EAST-NORTHEAST AT NEAR 70 KM/H... 44 MPH.
+
 
   
 
   
  STORM-FORCE WINDS EXTEND OUTWARD UP TO 415 KM... 260 MILES... FROM THE CENTRE. HURRICANE-
+
  FOR FURTHER UPDATES ON THIS SYSTEM... REFER TO MARINE BULLETINS ISSUED BY THE LIVERPOOL
FORCE WINDS EXTEND OUTWARD ABOUT 100 KM... 60 MILES FROM THE CENTRE... MAINLY TO THE
+
  ENGLAND MET SERVICE IN FOLENISA UNDER REGIONAL BULLETIN HEADER MARW MSFOL NORM.
  NORTH.
+
 
   
 
   
  A STATIONARY FRONT DOWN TO ABOUT 45 NORTH WILL FORCE THE CYCLONE EASTWARD... AND A COLD
+
  REPEATING THE 3 PM HPT POSITION... 41.8 N 23.2 E. MAXIMUM SUSTAINED WINDS 95 KM/H...
FRONT PUSHING IN FROM THE WEST OVER LAND WILL CONTRIBUTE TO THE STORM'S SPEED. IT IS
+
  MINIMUM CENTRAL PRESSURE 998 HPA. SYSTEM MOVING NE AT 95 KM/H.
REDUCED TO A WEAKENING EXTRATROPICAL STORM BY THE NEXT ADVISORY... AND SHOULD DISSIPATE
+
  OR BECOME ABSORBED BY 36 HOURS.
+
 
   
 
   
  OFFICIAL FORECAST
+
  THIS IS THE FINAL ADVISORY ON THIS SYSTEM FROM THE MSHPC.
INITIAL TIME IS 30/0900H... ALL TIMES HPT
+
  INITIAL... 41.0 N 22.0 E... 65 KT...BECOMING EXTRATROPICAL
+
30/1500H... 41.6 N 23.4 E... 50 KT...EXTRATROPICAL
+
30/2100H... 42.4 N 24.8 E... 35 KT...EXTRATROPICAL
+
31/0900H... 42.0 N 25.6 E... 30 KT...DISSIPATING
+
31/2100H...DISSIPATED
+
+
REPEATING THE 9 AM HPT POSITION... 41.0 N 22.0 E. MAXIMUM SUSTAINED WINDS 120 KM/H...
+
MINIMUM CENTRAL PRESSURE 995 HPA. SYSTEM MOVING ENE AT 70 KM/H.
+
+
THE NEXT ADVISORY WILL BE RELEASED AT 3 PM HPT.
+
 
   
 
   
 
  FORECASTER RINDLI
 
  FORECASTER RINDLI

Revision as of 05:43, 15 November 2006

Latest storm information
Subtropical Storm Cassandra
Extratropical storm
As of: 1530 local time July 30, 2145
Location: 41.8°N 23.2°E
Maximum
winds:
95 km/h (60 mph) (1-minute sustained)
Pressure: 998 hPa
Movement: Northeast at 95 km/h (60 mph)
See final advisory below.
Past advisories and discussions available here

4518 TCWC HPCLC
SUBTROPICAL STORM CASSANDRA (4518) FINAL ADVISORY 003
LIVERPOOL ENGLAND MET SERVICE HURRICANE PREDICTION CENTRE
OREAN, SER, LIVERPOOL ENGLAND HEADQUARTERS
1 PM PAX... 3 PM HPT... 3:30 PM LOCAL TIME JUL 30 2145

..ALL TROPICAL CYCLONE WARNINGS AND WATCHES DISCONTINUED AS CASSANDRA BECOMES
EXTRATROPICAL... INLAND WATCHES AND WARNINGS FOR HIGH WINDS MAY STILL BE IN
EFFECT...

CASSANDRA HAS LOST ITS LAST REMAINING TROPICAL FEATURES OF A WARM CORE... AND IS
INCREASINGLY ASYMMETRIC. AS SUCH... IT IS BEING DESIGNATED EXTRATROPICAL... AND
THIS WILL CONSEQUENTLY BE THE FINAL ADVISORY ON THIS STORM UNLESS TROPICAL REGENERATION
OCCURS.

AT 3 PM HPT... THE CENTRE OF THE EXTRATROPICAL CYCLONE WAS LOCATED NEAR LATITUDE
41.8 NORTH LONGITUDE 23.2 EAST. THE MAXIMUM SUSTAINED WINDS ARE NEAR 95 KM/H... 60 MPH
AND MINIMUM CENTRAL PRESSURE IS ESTIMATED TO BE 998 HPA. THE SYSTEM IS MOVING TO THE
NORTHEAST AT NEAR 95 KM/H... 60 MPH.

STORM-FORCE WINDS EXTEND OUTWARD UP TO 515 KM... 320 MILES... FROM THE CENTRE. GALE-
FORCE WINDS EXTEND OUTWARD UP TO 850 KM... 530 MILES... FROM THE CENTRE. THEREFORE...
A HIGH WIND WARNING MAY BE IN EFFECT FOR SOME INLAND AREAS... PLEASE CHECK WITH LOCAL
AUTHORITIES.

FOR FURTHER UPDATES ON THIS SYSTEM... REFER TO MARINE BULLETINS ISSUED BY THE LIVERPOOL
ENGLAND MET SERVICE IN FOLENISA UNDER REGIONAL BULLETIN HEADER MARW MSFOL NORM.

REPEATING THE 3 PM HPT POSITION... 41.8 N 23.2 E. MAXIMUM SUSTAINED WINDS 95 KM/H...
MINIMUM CENTRAL PRESSURE 998 HPA. SYSTEM MOVING NE AT 95 KM/H.

THIS IS THE FINAL ADVISORY ON THIS SYSTEM FROM THE MSHPC.

FORECASTER RINDLI