Difference between revisions of "Liverpool England MSHPC Tropical Weather Updates"

Revision as of 03:02, 25 September 2006

Before a depression is recognised, it is usually tagged an "INVEST" storm - an area of low pressure with the potential to strengthen into a cyclone. INVESTs are tracked by the MSHPC's satellite bureau in Kompa Ru or the Warning sub-bureau in Cyclonesville with advisories, called Tropical Weather Updates effective 2144 (formerly known as INVEST tracker), on potential systems every 6 hours.

Beginning February 7, 2145, the MSHPC has released its advisories in two of Liverpool England's three official languages – English and French, with the French translation originally provided by the Oliverrian government, and on Feburary 11, German advisories were also released, both new languages as test products. When the service was temporarily discontinued in February 2145, it was decided that French products would continue to be released, but not German ones, but in longer intervals. Rather than one advisory every six hours, which is the frequency of English releases, there would be only one advisory every 18 hours. When it was revealed that the French advisories were not reaching its target audience, the product was scrapped.

During the off-season, TWUs are only issued when there are active tropical cyclones or a high chance (above 50%) of formation of one. During the season, especially during lulls (usually mid-March to mid-June/early July), the MSHPC may decide to reduce the frequency of TWU issuances to once a week.

HTWU TCWC HPCOR
0613/1200H TRACKING ADVISORY
OREAN, LIVERPOOL ENGLAND MSHPC HEADQUARTERS
JUN 13 2145 - 12 PM SPECIAL BULLETIN

ACTIVE TROPICAL CYCLONES...
THE MSHPC IS ISSUING ADVISORIES ON HURRICANE GRIEL... LOCATED EAST
OF THE PAX MERIDIAN... AND ON TROPICAL DEPRESSION FOURTEEN
LOCATED NORTHWEST OF ALTHOS, SPAAMANIAN PLIJOUS.

ELSEWHERE... 
THE MSHPC IS MONITORING TROPICAL STORM CHARLES-LYDIA... LOCATED
EAST-NORTHEAST OF ÚSTIN PEDRIANA.

THE AREA OF LOW PRESSURE OVER LOX LAND ISLAND... 93NE.INVEST... IS
NOT EXPECTED DEVELOP IN THE NEXT 24 HOURS. HOWEVER... AS THE SYSTEM
MOVES NORTHWARD... IT MAY DEVELOP. A HEARTLAND TROPICAL CYCLONE
FORMATION WARNING HAS BEEN ISSUED... SEE BELOW.
LOCALLY HEAVY RAINS ARE TO BE EXPECTED OVER THE LOX LAND ISLAND AND
SURROUNDING SEAS AS THE LOW MOVES ONSHORE.

HTCFW/TCFA...
   THE AREA OF LOW PRESSURE NEAR 44.6 NORTH LATITUDE 25.0 EAST LONGITUDE
   ... OVER LOX LAND ISLAND... HAS PERSISTED FOR THE PAST TWELVE HOURS
   OR SO. MAXIMUM SUSTAINED WINDS ARE ESTIMATED NEAR 25 KT... MINIMUM
   CENTRAL PRESSURE ESTIMATED NEAR 1009 HPA. THERE IS EVIDENCE OF AN
   ANTICYCLONE OVER THIS SYSTEM... AND SSTS ARE NEAR 28 CELSIUS. THE
   SYSTEM HAS A CLOSED CIRCULATION... AND AS IT MOVES NORTHWARD AND 
   BACK OVER SEA THE POTENTIAL FOR DEVELOPMENT IS RATED GOOD. A NEARBY
   TROUGH WILL CONTRIBUTE... AND DVORAK NUMBERS ARE 1.5/1.5/1.0 FROM
   HDCW/UHWF/HWS... TOTALLING 26 POINTS. A HEARTLAND TC FORMATION
   WARNING IS ISSUED FOR THE NEXT 24 HOURS FOR THE WHOLE LOX GULF...
   ESPECIALLY JUST NORTH OF LOX LAND.

OTHERWISE... NO TROPICAL CYCLONE FORMATION IN THE HEARTLAND IS EXPECTED
THROUGH JUNE 20.

NEXT TWU AT 3 PM HPT.

FORECASTER CALTS