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Tropical threats headed for the Hawaiian islands


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Not anymore.  As of last year, most of it has been upgraded to a smooth-as-silk, well-paved and well-marked highway (Daniel Inouye highway).  Speed limit is 55 mph almost the entire stretch.  It's an easy cruise in good conditions.

 

 

We were in Hawaii this past April, and it was a great ride. Only the first few miles out of Hilo were a bit hairy, but then it opened up into a big easy cruise.

 

I've got to imagine some amazing rainfall ocurred though on the southeast facing slopes...the terrain there is just about perfect for upslope SE wind.

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Very interesting evolution with Iselle.... after decoupling last night prior to landfall, it appears some frictional convergence allowed for one last resurgence in organization prior to landfall. This llc that made landfall actually also coexisted with a lee cyclone that formed east of the big island before Iselle's landfall. Now the original llc has been destroyed, but the lee cyclone is now considered the closed circulation of Iselle. While this will likely translate into a large jump in the track of Iselle, its really a new llc rather than the same circulation that was being tracked on radar last night. 

 

Iselle_8Aug14_HWAshort.gif

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Very interesting evolution with Iselle.... after decoupling last night prior to landfall, it appears some frictional convergence allowed for one last resurgence in organization prior to landfall. This llc that made landfall actually also coexisted with a lee cyclone that formed east of the big island before Iselle's landfall. Now the original llc has been destroyed, but the lee cyclone is now considered the closed circulation of Iselle. While this will likely translate into a large jump in the track of Iselle, its really a new llc rather than the same circulation that was being tracked on radar last night. 

 

Thank you very much for explaining this.  That's a nice analysis of a complex situation that don't think I've ever seen until now.

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Probably one of the most impressive tropical cyclone shreddings I've seen since David vs. Hispanola in '79.

 

Hawaii_IR_loop.gif

Not a real big surprise, given the high of the volcanic peaks in Hawaii.  Not really rugged, but very high up there.  David did a big regeneration after it hit hispanola. and luckily for Hawaii this was 'just' a strong tropical storm and not a cat 5 hurricane like David was.  I do not think this storm will regenerate, and now will just dissipate over the mid pacific.

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Hawaii storm reports from Iselle:

PUBLIC INFORMATION STATEMENT...UPDATED
NATIONAL WEATHER SERVICE HONOLULU HI
935 PM HST FRI AUG 08 2014

UPDATED TO INCLUDE ADDITIONAL TOTALS THROUGH 8 PM HST ACROSS THE 
STATE.

...HEAVY RAINS FROM ISELLE SOAK THE ALOHA STATE...

THE HIGHEST TOTALS WERE REPORTED IN THE KAU DISTRICT OF THE BIG 
ISLAND WHERE ISELLE MADE LANDFALL.  THE FOLLOWING AMOUNT ARE TOTALS 
IN INCHES FOR THE 36 HOUR PERIOD FROM 8 AM HST AUGUST 7 TO 8 PM HST 
AUGUST 8.

THESE PRELIMINARY TOTALS WERE CALCULATED USING PROVISIONAL REPORTS
FROM AUTOMATED RAIN GAGES THAT HAVE NOT BEEN QUALITY CONTROLLED.

LOCATION                                      AMOUNT

HAWAII
/KNWH1/ KULANI NWR                             15.05
/SDQH1/ SADDLE ROAD QUARRY - USGS              14.70
/GLNH1/ GLENWOOD                               14.08
/HKUH1/ HAKALAU                                12.52
/PKLH1/ PUA AKALA                              12.46
/PLIH1/ PALI 2                                 10.68
/SLVH1/ SILVERSWORD                             9.15
/ILDH1/ ISLAND DAIRY                            8.29
/WKAH1/ WAIAKEA-UKA                             7.47
/PIIH1/ PIIHONUA KPUA                           7.21
/MTVH1/ MOUNTAIN VIEW                           6.89
/KWSH1/ KAWAINUI STREAM - USGS                  6.74
/WEXH1/ WAIAKEA EXP STN                         5.70
/SOPH1/ SOUTH POINT                             4.93
/PPLH1/ PAHALA                                  3.82
/HTO  / HILO AIRPORT                            3.73
/HNKH1/ HONOKAA                                 3.64
/KUUH1/ KAMUELA UPPER                           2.97
/LPHH1/ LAUPAHOEHOE P.D.                        2.55
/WPLH1/ WAIMEA PLAIN                            2.52
/MLBH1/ MAUNA LOA SLOPE OBS                     2.19
/KASH1/ KAHUA RANCH HQTRS                       2.18
/KMUH1/ KAMUELA                                 2.16
/KMUH1/ KAMUELA 1                               2.16
/PHAH1/ PAHOA BEACON                            1.00

MAUI
/PKKH1/ PUU KUKUI - USGS                        5.51
/PUKH1/ PUKALANI                                2.34
/HNAH1/ HANA AP                                 1.29

MOLOKAI
/HMK  / MOLOKAI AIRPORT                         1.10

OAHU
/PPRH1/ PUPUKEA RD RG - USGS                    3.32
/KMRH1/ KAMANANUI RG - USGS                     3.29
/MNLH1/ MANOA LYON ARBO                         2.83
/PNSH1/ PUNALUU STREAM - USGS                   2.28
/MOGH1/ MOANALUA - USGS - USGS                  2.16
/KNRH1/ KAHANA STREAM RG - USGS                 2.09
/MKHH1/ MAKAHA STREAM - USGS                    2.00
/TNLH1/ TUNNEL RG - USGS                        1.97
/NUUH1/ NUUANU UPPER                            1.95
/PUNH1/ PUNALUU PUMP                            1.87
/PMHH1/ POAMOHO RG 1 - USGS                     1.71
/HAKH1/ HAKIPUU MAUKA                           1.59
/WAWH1/ WAIAWA CF                               1.56
/MOAH1/ MOANALUA STREAM                         1.53
/PACH1/ PALISADES RES                           1.48
/WAFH1/ WHEELER AAF                             1.20
/MITH1/ MILILANI                                1.13
/WHSH1/ WAIAHOLE STREAM - USGS                  1.06

KAUAI
/KLOH1/ KILOHANA RG - USGS                      6.61
/WNHH1/ PH WAINIHA                              3.16
/WLLH1/ MOUNT WAIALEALE RAINGAGE                1.93
/KOKH1/ KOKEE                                   1.87
/WLGH1/ WAIALAE RG - USGS                       1.55
/MCRH1/ MOHIHI CROSSING - USGS                  1.31
/WKRH1/ WAIAKOALI - USGS                        1.29
/WLDH1/ WAILUA DITCH - USGS                     1.23

$$

M BALLARD

PUBLIC INFORMATION STATEMENT...UPDATED
NATIONAL WEATHER SERVICE HONOLULU HI
915 PM HST FRI AUG 08 2014

...ISELLE BRINGS GUSTY WINDS ACROSS THE STATE OF HAWAII...

THE FOLLOWING IS A LIST OF MAXIMUM WIND GUSTS RECORDED ACROSS THE 
STATE OF HAWAII OVER THE 36 HOUR PERIOD FROM 8AM HST AUGUST 7 TO 
8PM HST AUGUST 8. THE WIND GUSTS ARE REPORTED IN MILES PER HOUR.

THESE PRELIMINARY VALUES ARE FROM PROVISIONAL REPORTS FROM AUTOMATED
GAGES THAT HAVE NOT BEEN QUALITY CONTROLLED. WIND SPEEDS ARE IN 
MILES PER HOUR.

...KAUAI...
PORT ALLEN AP        41
POIPU                36
LIHUE AIRPORT        35
PUU LUA              33
WAIMEA HEIGHTS       32
PUU OPAE             31

...OAHU...
OAHU FOREST NWR      72
MOKUOLOE IS.         51
BELLOWS AFS          46
KANEOHE MCAS         45
MAKUA RIDGE          45
KAHUKU TRAINING AREA 44
WAIANAE VALLEY       43
HONOLULU AIRPORT     41
WHEELER AAF          39
WAIANAE BOAT HARBOR  35
KAHUKU               34
WAIAWA PHB           34
HONOLULU HARBOR      34

...MOLOKAI...
MOLOKAI 1            57
MAKAPULAPAI          45
MOLOKAI AIRPORT      44
PUU ALII             31

...LANAI...
LANAI AP             62
LANAI 1              54

...KAHOOLAWE...
KEALIALALO           67
KANELOA              62
KAHOOLAWE            60
HONOKANAIA           56

...MAUI...
KULA 1               61
KAHULUI AIRPORT      55
KAUPO GAP            55
KAHULUI NOS          46
KAPALUA-W. MAUI AP   40

...HAWAII...
MAUNA KEA            91
PALI 2               66
KEALAKOMO            64
KAWAIHAE             59
HILO HARBOR          56
KAMUELA AIRPORT      55
HILO AIRPORT         54
KAWAIHAE NOS         54
KAPAPALA RAWS        52
MAUNA LOA SLOPE OBS  51
UPOLU AIRPORT        51
PTA KEAMUKU          50
KONA INTL AIRPORT    45
PTA KIPUKA ALALA     45
WAIKOLOA             45
KOHALA RANCH         44
PTA RANGE 17         44
BRADSHAW AAF         43
KEAUMO               41
PUU WAAWAA           40
PTA WEST             38
KAUPULEHU            37
KAHUKU RANCH         35
SOUTH POINT          33
WAIAKEA EXP STN      30

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