Hurricane Blas Advisory 21

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Hurricane-Blas-Advisory-21
Hurricane-Blas-Advisory-21

000
WTPZ33 KNHC 080232
TCPEP3

BULLETIN
HURRICANE BLAS ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP032016
800 PM PDT THU JUL 07 2016

…BLAS WEAKENS TO A CATEGORY TWO HURRICANE…

SUMMARY OF 800 PM PDT…0300 UTC…INFORMATION
———————————————-
LOCATION…16.9N 128.6W
ABOUT 1280 MI…2060 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA
MAXIMUM SUSTAINED WINDS…110 MPH…175 KM/H
PRESENT MOVEMENT…WNW OR 295 DEGREES AT 9 MPH…15 KM/H
MINIMUM CENTRAL PRESSURE…968 MB…28.59 INCHES

WATCHES AND WARNINGS
——————–
There are no coastal watches or warnings in effect.

DISCUSSION AND 48-HOUR OUTLOOK
——————————
At 800 PM PDT (0300 UTC), the center of Hurricane Blas was located
near latitude 16.9 North, longitude 128.6 West.  Blas is moving
toward the west-northwest near 9 mph (15 km/h), and this motion is
expected to continue through tonight.  A turn toward the northwest
is forecast on Friday.

Maximum sustained winds have decreased to near 110 mph (175 km/h)
with higher gusts.  Blas is a category 2 hurricane on the
Saffir-Simpson Hurricane Wind Scale.  Further weakening is forecast
during the next 48 hours, and Blas is expected to weaken to a
tropical storm Friday night.

Hurricane-force winds extend outward up to 35 miles (55 km) from the
center and tropical-storm-force winds extend outward up to 150 miles
(240 km).

The estimated minimum central pressure is 968 mb (28.59 inches).

HAZARDS AFFECTING LAND
———————-
None.

NEXT ADVISORY
————-
Next complete advisory at 200 AM PDT.

$$
Forecaster Roberts

000
WTPZ43 KNHC 080233
TCDEP3

HURRICANE BLAS DISCUSSION NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP032016
800 PM PDT THU JUL 07 2016

The eye feature has become less discernible in enhanced
infrared imagery this evening, and the inner core cloud top
temperatures have warmed considerably.  A compromise of all
available subjective and objective Dvorak intensity estimates
yields an initial intensity of 95 kt.  Blas is expected to
accelerate its spin down as the cyclone continues to traverse a
rather sharp sea surface temperature gradient and reaches sub-24C
waters by the 36 hour period.  Blas is forecast to weaken to
a tropical storm by that time, and ultimately become a remnant low
in 3 days, or earlier.  The official forecast intensity is
basically an update of the previous advisory and is close to the
Florida State Superensemble.

The initial motion is west-northwestward or 295/8, within the
southwestern peripheral steering flow of a mid-level ridge
originating over eastern Mexico.  Large-scale models all show the
cyclone gradually turning northwestward in 12 hours as Blas
enters a growing weakness produced by a large cut-off low northeast
of the Hawaiian Islands.  As the weakening trend accelerates and
Blas becomes a vertically shallower system, the post-tropical
remnant low is expected to turn westward in the easterly flow of the
trades.  The NHC forecast is based on a blend of the previous
forecast and a consensus of the ECMWF and GFS (GFEX).

FORECAST POSITIONS AND MAX WINDS

INIT  08/0300Z 16.9N 128.6W   95 KT 110 MPH
12H  08/1200Z 17.6N 129.7W   85 KT 100 MPH
24H  09/0000Z 18.8N 131.0W   65 KT  75 MPH
36H  09/1200Z 20.2N 132.4W   55 KT  65 MPH
48H  10/0000Z 21.5N 133.9W   40 KT  45 MPH
72H  11/0000Z 22.5N 137.7W   30 KT  35 MPH…POST-TROP/REMNT LOW
96H  12/0000Z 22.3N 142.3W   25 KT  30 MPH…POST-TROP/REMNT LOW
120H  13/0000Z 21.7N 146.9W   20 KT  25 MPH…POST-TROP/REMNT LOW

$$
Forecaster Roberts

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In 1995 At Maui High Performance Computing Center The Maui Scientific Analysis & Visualization of the Environment Program was first incubated. I was the principal investigator of this independant research project which was a joint development between MHPCC, Silicon Graphics Computers (SGI) & NKO.ORG. Using SGI Cosmo Worlds software, we pioneered the development of Internet based 3D virtual reality GIS based interactive worlds. In 1996 with a network of seven high performance SGI workstations we pioneered development of live streaming MPEG-1, MPEG-2, MPEG-4, Real Video and QuickTime Streaming Server utilizing Kassenna MediaBase software. In Maui 2002 we pioneered and tested the first wireless live streaming video using laptop computers and Maui Sky Fiber's portable 3G wireless device. In Maui we pioneered live streaming video using usb modems from AT&T , Verizon as well as live streaming from iPhone 3 over 3G wireless networks. Today The Maui S.A.V.E. Program has diversified into storm tracking including visualization and analysis of large, memory-intensive gridded data sets such as the National Hurricane Center's wind speed probabilities. I volunteer my services to numerous Disaster Services Organizations. In June 2013 I returned from Hurricane Sandy deployment as a computer operations service associate with the Disaster Services Technology Group assisting as The American Red Cross migrated from a Disaster Response Operation to Long Term Recovery Operations. Pioneering the production/editing and Internet distribution of HD video to sites like Youtube.com and Vimeo.com we are shining the light towards environmental and peace efforts of humans across the globe. Since 1992 I have held the vision of establishing Maui, Hawaii as the environmental sciences center of the world. After His Holiness the 14th Dalai Lama of Tibet came to Maui This vision has expanded to establishing Maui as the environmental & peace center of the world.

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