Difference between revisions of "Liverpool England MSHPC cyclone summary"
From NSwiki, the NationStates encyclopedia.
Line 3: | Line 3: | ||
[[/Past summaries]] | [[/Past summaries]] | ||
---- | ---- | ||
− | TCMS TCWC HPCOR | + | TCMS TCWC HPCOR |
TROPICAL CYCLONE MONTHLY SUMMARY | TROPICAL CYCLONE MONTHLY SUMMARY | ||
− | + | JULY 2145 | |
LIVERPOOL ENGLAND MET SERVICE HURRICANE PREDICTION CENTRE, OREAN | LIVERPOOL ENGLAND MET SERVICE HURRICANE PREDICTION CENTRE, OREAN | ||
− | 3 | + | 3 PM HPT AUG 1 2145 |
UPDATED 3 AM HPT JUL 23 2145 | UPDATED 3 AM HPT JUL 23 2145 | ||
− | + | JULY WAS RELATIVELY QUIET UNTIL THE END OF THE MONTH... WHEN WE SAW A TOTAL OF | |
− | + | FOUR TROPICAL OR SUBTROPICAL CYCLONES IN A LITTLE OVER A WEEK. TWO TROPICAL | |
− | + | DEPRESSIONS... AND TWO NAMED STORMS - ONE SUBTROPICAL - FORMED. THE MONTHLY | |
− | + | EXTRAPOLATED AVERAGE FOR JULY IS FIVE... SO THIS WAS STILL A BELOW-AVERAGE | |
− | + | MONTH. | |
− | THE FIRST | + | THE FIRST TROPICAL CYCLONE OF THE MONTH WAS TROPICAL DEPRESSION SIXTEEN (4516)... |
− | + | WAS DECLARED A TROPICAL DEPRESSION AT 5 PM HPT ON JULY 22 AFTER AN AFLE RECON | |
− | + | PLANE FOUND EVIDENCE OF A CLOSED CIRCULATION. THE SYSTEM WAS INITIATED AT 25 KT | |
− | + | BASED ON THE REPORT FROM THE AIRCRAFT. DUE TO PROXIMITY TO THE ITCZ... NO SIGNIFICANT | |
− | + | DEVELOPMENT OCCURRED. A NEARBY TUTT... TROPICAL UPPER TROPOSPHERIC TROUGH... IMPARTED | |
− | + | SIGNIFICANT AMOUNTS OF SHEAR ONTO THE CYCLONE... AND THE FINAL ADVISORY WAS ISSUED | |
− | + | AT 9 AM HPT JULY 23 WHEN RECONNAISSANCE AIRCRAFT REPORTED THAT THE SYSTEM HAD | |
− | + | DEGENERATED INTO AN OPEN TROPICAL WAVE. | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | OF | + | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | A MIDGET SYSTEM WAS SPOTTED NEAR MAGNA CARTA, POPULARFREEDOM ABOUT A WEEK AFTER | |
− | THE | + | THE DISSIPATION OF TROPICAL DEPRESSION SIXTEEN. HOWEVER... BEFORE ANY NUMBERED |
− | + | WARNINGS COULD BE ISSUED... THE SYSTEM MADE LANDFALL. SHORTLY AFTER, QUIKSCAT | |
− | + | CONFIRMED A REFORMED CENTRE OF CIRCULATION OFF THE COAST, AND ADVISORIES WERE | |
− | + | INITIATED ON TROPICAL DEPRESSION SEVENTEEN (4517) AT 9 PM HPT JULY 28. A TROPICAL | |
− | + | CYCLONE UPDATE WAS ISSUED THREE HOURS LATER TO PUT TROPICAL STORM WATCHES AND | |
− | + | WARNINGS INTO EFFECT FOR PORTIONS OF THE EASTERN POPULARFREEDOM COAST. IT STRENGTHENED | |
− | + | INTO A TROPICAL STORM AT THE NEXT ADVISORY AND WAS NAMED BRENT WITH THE SECOND NAME | |
− | + | FROM THE OLD LISTS. BECAUSE OF ITS MIDGET SIZE... THE FORECAST CALLED FOR HURRICANE | |
+ | INTENSITY. HOWEVER... IT MADE LANDFALL AT ABOUT 0817 HPT JULY 29. THE LOW SOON | ||
+ | DECOUPLED FROM CONVECTION... AND A FINAL ADVISORY WAS ISSUED AT 3 AM HPT JULY 30. | ||
+ | BRENT CAUSED HALF A BILLION LIVERPOOL POUNDS WORTH OF DAMAGE FROM FLOODING... BUT | ||
+ | NO CASUALTIES WERE REPORTED. | ||
− | + | SUBTROPICAL STORM CASSANDRA WAS NAMED ON JULY 30 WHILE EAST OF THE OLD BORDER BETWEEN | |
− | + | LIVERPOOL ENGLAND AND THE FORMER UPPER BISWALD. QUIKSCAT INDICATED 40 KT WINDS AND | |
− | + | SHIP REPORTS INDICATED 50-KT WINDS... SO INITIAL INTENSITY WAS 45 KT. THE STORM | |
− | + | INTENSIFIED INTO A 65-KT SUBTROPICAL STORM... HURRICANE INTENSITY... BUT RETAINED | |
− | + | SOME NON-TROPICAL CHARACTERISTICS AND HENCE WAS NOT UPGRADED TO A HURRICANE... ALTHOUGH | |
− | + | THIS IS THE CURRENT FOCAL POINT OF POST-STORM ANALYSIS. IT LOST TROPICALITY AT 3 PM | |
− | + | HPT JULY 30 AND A FINAL ADVISORY WAS ISSUED WITH THE SYSTEM NEVER HAVING AFFECTED LAND. | |
− | THE | + | |
− | + | ||
− | + | ||
− | + | THE FINAL SYSTEM OF THE MONTH... TROPICAL DEPRESSION NINETEEN... FORMED FROM THE | |
− | + | REMNANT CIRCULATION OF TROPICAL DEPRESSION BRENT. IN STRONG SHEAR... IT NEVER REALLY | |
− | + | HAD A CHANCE... AND DISSIPATED WITHIN A DAY OF ITS FORMATION. | |
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
− | + | ||
SUMMARY TABLE | SUMMARY TABLE | ||
Line 103: | Line 55: | ||
KT DAMAGE | KT DAMAGE | ||
--------------------------------------------------------------------------------- | --------------------------------------------------------------------------------- | ||
− | + | TD SIXTEEN 4516 22-23 JUL 30 0 NONE | |
− | TS | + | TS BRENT 4517 28-30 JUL 35 NONE REPORTED NONE |
− | + | SS CASSANDRA 4518 30 JUL 65 0 NONE | |
− | + | TD NINETEEN 4519 30-31 JUL 30 0 NONE | |
− | + | ||
− | + | ||
− | MONTHLY TOTAL | + | MONTHLY TOTAL 4 22-31 JUL 0 NONE |
− | |||
DATES ARE BASED ON LOCAL TIME | DATES ARE BASED ON LOCAL TIME | ||
--------------------------------------------------------------------------------- | --------------------------------------------------------------------------------- | ||
− | FORECASTERS | + | FORECASTERS RINDLI/HUNTER |
Revision as of 08:11, 20 November 2006
The Liverpool England Meterological Service Hurricane Prediction Centre releases monthly summaries of tropical cyclone activity during the active season (February through December) in The Heartland.
/Past summaries
TCMS TCWC HPCOR TROPICAL CYCLONE MONTHLY SUMMARY JULY 2145 LIVERPOOL ENGLAND MET SERVICE HURRICANE PREDICTION CENTRE, OREAN 3 PM HPT AUG 1 2145 UPDATED 3 AM HPT JUL 23 2145 JULY WAS RELATIVELY QUIET UNTIL THE END OF THE MONTH... WHEN WE SAW A TOTAL OF FOUR TROPICAL OR SUBTROPICAL CYCLONES IN A LITTLE OVER A WEEK. TWO TROPICAL DEPRESSIONS... AND TWO NAMED STORMS - ONE SUBTROPICAL - FORMED. THE MONTHLY EXTRAPOLATED AVERAGE FOR JULY IS FIVE... SO THIS WAS STILL A BELOW-AVERAGE MONTH. THE FIRST TROPICAL CYCLONE OF THE MONTH WAS TROPICAL DEPRESSION SIXTEEN (4516)... WAS DECLARED A TROPICAL DEPRESSION AT 5 PM HPT ON JULY 22 AFTER AN AFLE RECON PLANE FOUND EVIDENCE OF A CLOSED CIRCULATION. THE SYSTEM WAS INITIATED AT 25 KT BASED ON THE REPORT FROM THE AIRCRAFT. DUE TO PROXIMITY TO THE ITCZ... NO SIGNIFICANT DEVELOPMENT OCCURRED. A NEARBY TUTT... TROPICAL UPPER TROPOSPHERIC TROUGH... IMPARTED SIGNIFICANT AMOUNTS OF SHEAR ONTO THE CYCLONE... AND THE FINAL ADVISORY WAS ISSUED AT 9 AM HPT JULY 23 WHEN RECONNAISSANCE AIRCRAFT REPORTED THAT THE SYSTEM HAD DEGENERATED INTO AN OPEN TROPICAL WAVE. A MIDGET SYSTEM WAS SPOTTED NEAR MAGNA CARTA, POPULARFREEDOM ABOUT A WEEK AFTER THE DISSIPATION OF TROPICAL DEPRESSION SIXTEEN. HOWEVER... BEFORE ANY NUMBERED WARNINGS COULD BE ISSUED... THE SYSTEM MADE LANDFALL. SHORTLY AFTER, QUIKSCAT CONFIRMED A REFORMED CENTRE OF CIRCULATION OFF THE COAST, AND ADVISORIES WERE INITIATED ON TROPICAL DEPRESSION SEVENTEEN (4517) AT 9 PM HPT JULY 28. A TROPICAL CYCLONE UPDATE WAS ISSUED THREE HOURS LATER TO PUT TROPICAL STORM WATCHES AND WARNINGS INTO EFFECT FOR PORTIONS OF THE EASTERN POPULARFREEDOM COAST. IT STRENGTHENED INTO A TROPICAL STORM AT THE NEXT ADVISORY AND WAS NAMED BRENT WITH THE SECOND NAME FROM THE OLD LISTS. BECAUSE OF ITS MIDGET SIZE... THE FORECAST CALLED FOR HURRICANE INTENSITY. HOWEVER... IT MADE LANDFALL AT ABOUT 0817 HPT JULY 29. THE LOW SOON DECOUPLED FROM CONVECTION... AND A FINAL ADVISORY WAS ISSUED AT 3 AM HPT JULY 30. BRENT CAUSED HALF A BILLION LIVERPOOL POUNDS WORTH OF DAMAGE FROM FLOODING... BUT NO CASUALTIES WERE REPORTED. SUBTROPICAL STORM CASSANDRA WAS NAMED ON JULY 30 WHILE EAST OF THE OLD BORDER BETWEEN LIVERPOOL ENGLAND AND THE FORMER UPPER BISWALD. QUIKSCAT INDICATED 40 KT WINDS AND SHIP REPORTS INDICATED 50-KT WINDS... SO INITIAL INTENSITY WAS 45 KT. THE STORM INTENSIFIED INTO A 65-KT SUBTROPICAL STORM... HURRICANE INTENSITY... BUT RETAINED SOME NON-TROPICAL CHARACTERISTICS AND HENCE WAS NOT UPGRADED TO A HURRICANE... ALTHOUGH THIS IS THE CURRENT FOCAL POINT OF POST-STORM ANALYSIS. IT LOST TROPICALITY AT 3 PM HPT JULY 30 AND A FINAL ADVISORY WAS ISSUED WITH THE SYSTEM NEVER HAVING AFFECTED LAND. THE FINAL SYSTEM OF THE MONTH... TROPICAL DEPRESSION NINETEEN... FORMED FROM THE REMNANT CIRCULATION OF TROPICAL DEPRESSION BRENT. IN STRONG SHEAR... IT NEVER REALLY HAD A CHANCE... AND DISSIPATED WITHIN A DAY OF ITS FORMATION. SUMMARY TABLE STR NAME NUMBER DURATION MAX WIND DEATHS LIVERPOOL ENGLAND KT DAMAGE --------------------------------------------------------------------------------- TD SIXTEEN 4516 22-23 JUL 30 0 NONE TS BRENT 4517 28-30 JUL 35 NONE REPORTED NONE SS CASSANDRA 4518 30 JUL 65 0 NONE TD NINETEEN 4519 30-31 JUL 30 0 NONE MONTHLY TOTAL 4 22-31 JUL 0 NONE DATES ARE BASED ON LOCAL TIME --------------------------------------------------------------------------------- FORECASTERS RINDLI/HUNTER