Cyclocane

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MIRIAM Current Status

Current Wind Speed 30 knots / 35 MPH

Max Predicted Wind Speed 30 knots / 35 MPH at 2018-09-02T21:00:00.000Z

MIRIAM Land Hazards

MIRIAM Tracker

MIRIAM Satellite Loop

MIRIAM Alternate Tracking Map

MIRIAM Spaghetti Models

Spaghetti models for MIRIAM can be found here:

MIRIAM spaghetti models page »

MIRIAM Watches and Warnings

Post-Tropical Cyclone MIRIAM Tropical Cyclone Update

Post-Tropical Cyclone MIRIAM Public Advisory

240 
WTPA33 PHFO 022037
TCPCP3
 
BULLETIN
Post-Tropical Cyclone Miriam Advisory Number  31
NWS Central Pacific Hurricane Center Honolulu HI   EP152018
1100 AM HST Sun Sep 02 2018
 
...MIRIAM WEAKENS TO A POST-TROPICAL REMNANT LOW FAR NORTHEAST OF
THE HAWAIIAN ISLANDS...
 
 
SUMMARY OF 1100 AM HST...2100 UTC...INFORMATION
-----------------------------------------------
LOCATION...26.4N 144.6W
ABOUT 810 MI...1305 KM NE OF HILO HAWAII
ABOUT 910 MI...1465 KM ENE OF HONOLULU HAWAII
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NW OR 310 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 1100 AM HST (2100 UTC), the center of Post-Tropical Cyclone
Miriam was located near latitude 26.4 North, longitude 144.6 West.
The post-tropical cyclone is moving toward the northwest near 12
mph. This general motion will continue through dissipation on
Monday.
 
Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
The post-tropical remnant low of Miriam will continue to weaken
today, then dissipate on Monday.
 
The estimated minimum central pressure is 1008 mb (29.77 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
None.
 
 
NEXT ADVISORY
-------------
This is the last public advisory issued by the Central Pacific
Hurricane Center on this system.
 
$$
Forecaster Wroe

Public Advisory not available for this storm.

Post-Tropical Cyclone MIRIAM Forecast Discussion

890 
WTPA43 PHFO 022041
TCDCP3
 
Post-Tropical Cyclone Miriam Discussion Number  31
NWS Central Pacific Hurricane Center Honolulu HI   EP152018
1100 AM HST Sun Sep 02 2018
 
Under continued strong vertical wind shear of 45 to 55 kt, limited
amounts of deep convection have been displaced well to the north of
the exposed low-level circulation of Miriam for about 24 hours. HFO
and SAB deemed the system too weak to classify. JTWC gave a Dvorak
current intensity of 1.0/25 kt, and CIMSS ADT yielded an estimate of
1.5/25 kt. An overnight ASCAT pass from 0658Z showed a large area of
30 kt wind retrievals and one near 35 kt. Based on these inputs,
Miriam will be designated a post-tropical low with an intensity of
30 kt, and this will be the final advisory for this system.

Miriam is moving toward the northwest (310 degrees) at 10 kt. This
general motion will continue over the next day or so as a deep ridge
holds to the northeast and a mid- to upper-level trough remains
parked to the northwest. This trough will maintain strong
southwesterly vertical wind shear that will inhibit redevelopment
of the system, and the post-tropical remnant low should open into a
trough on Monday. The track and intensity forecasts are in the
middle of their guidance envelopes near TVCE and ICON,
respectively. 
 
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  02/2100Z 26.4N 144.6W   30 KT  35 MPH...POST-TROPICAL
 12H  03/0600Z 27.3N 146.1W   25 KT  30 MPH...POST-TROP/REMNT LOW
 24H  03/1800Z 28.2N 148.6W   25 KT  30 MPH...POST-TROP/REMNT LOW
 36H  04/0600Z...DISSIPATED
 
$$
Forecaster Wroe

MIRIAM storm path from NHC

site by Hayley Croft

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