cieldumort
(Moderator)
Tue Aug 29 2006 02:40 AM
Re: IOKE NOW CAT 4 per NRL - Warnings up for Johnston Island -

Ioke is setting =all= kinds of records

" PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE HONOLULU HI
1000 AM HST FRI AUG 25 2006

...HURRICANE IOKE BECOMES FIFTH CATEGORY 5 HURRICANE IN CENTRAL
PACIFIC AND UNOFFICIALLY HOLD THE LOWEST SEA LEVEL PRESSURE RECORD
IN THE CENTRAL PACIFIC...

EARLIER TODAY HURRICANE IOKE STRENGTHENED TO CATEGORY 5 INTENSITY
WITH WINDS ESTIMATED TO BE NEAR 160 MPH. THIS IS THE FIFTH CATEGORY
5 HURRICANE ON RECORD IN THE CENTRAL PACIFIC...AND THE FIRST ONE
SINCE 1994. IOKE IS THE FIRST STORM TO DEVELOP WITHIN THE CENTRAL
PACIFIC AND ACHIEVE CATEGORY 5 STATUS. JOHN...EMILIA AND GILMA
MOVED IN FROM THE EASTERN PACIFIC BEFORE STRENGTHENING...WHILE
PATSY CAME IN FROM THE WEST PACIFIC.

IT MUST BE NOTED THAT TROPICAL CYCLONE RECORDS IN THE CENTRAL
PACIFIC BEFORE THE EARLY 1960S ARE INCOMPLETE.

THE TOP STRONGEST STORMS ON RECORD IN THE CENTRAL PACIFIC ARE
1. HURRICANE PATSY - CATEGORY 5 - 150KT/175MPH - SEPTEMBER 1959
2. HURRICANE JOHN - CATEGORY 5 - 150KT/175MPH - AUGUST 1994
3. HURRICANE EMILIA- CATEGORY 5 - 140KT/160MPH - JULY 1994
4. HURRICANE GILMA - CATEGORY 5 - 140KT/160MPH - JULY 1994
5. HURRICANE IOKE - CATEGORY 5 - 140KT/160MPH - AUGUST 2006
6. HURRICANE RICK - CATEGORY 4 - 125KT/145MPH - SEPTEMBER 1985
7. HURRICANE INIKI - CATEGORY 4 - 125KT/145MPH - SEPTEMBER 1992
8. HURRICANE FABIO - CATEGORY 4 - 120KT/140MPH - AUGUST 1988

AT THE SAME TIME...THE ESTIMATED SURFACE PRESSURE FROM SATELLITE
ANALYSIS WAS 921MB OR 27.20 INCHES.

WITH GILMA AND JOHN THERE WAS AIR FORCE RECONNAISANCE AIRCRAFT THAT
MEASURED SEA LEVEL PRESSURE. GILMA BOTTOMED OUT AT 926MB OR 27.35
INCHES AND JOHN REACHED 929MB OR 27.43 INCHES. HURRICANE INIKI WAS
AT 938MB OR 27.70 INCHES AT ITS PEAK. "

=Also=

" HURRICANE IOKE DISCUSSION NUMBER 29
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012006
500 PM HST SAT AUG 26 2006

HURRICANE IOKE IS ABOUT TO CROSS THE DATELINE AND BECOME TYPHOON IOKE...STILL AT CATEGORY 5 STATUS. SUBJECTIVE DVORAK ESTIMATES FOR 26/2330Z OF 7.0 FROM CPHC AND KGWC...AND 6.5 FROM SAB AND JTWC...PROMPT US TO KEEP INITIAL INTENSITY AT 140 KT. AODT FROM CPHC IS 6.9. IOKE MAINTAINS A WELL-FORMED EYE WITH A CENTRAL TEMP OF +3.8C AND A SURROUNDING CLOUD REGION TEMP OF -72.0C. IOKE APPEARS TO HAVE COMPLETED AN EYEWALL REPLACEMENT CYCLE WITH LITTLE OR NO DECREASE IN INTENSITY OVER THE PAST 12 HOURS. "

=And=

" IOKE COULD ENTER THE RECORD BOOKS FOR LONGEVITY AS A CATEGORY 4 OR GREATER STORM. "

=And Now=
Ioke's pressure has been estimated to be down to as low as 900MB