NAM BLIPMAP NorthCentral Viewer
BLIPMAP ™ = Boundary Layer Information Prediction MAP
Created by Dr. John W. (Jack) Glendening, Meteorologist
Registration (free) and a valid registration cookie are necessary for this viewer to work.
Registered users can view all BLIPMAPs.
To register use the
New Registration Page
Registered users can Logon (get a new cookie) here
check their registration cookie status here.
For additional on-line information:
BLIPMAP HELP page
BLIPMAPs predict thermal soaring conditions resulting from surface
heating of the Boundary Layer, by post-processing numerical weather
model predictions to provide parameters suited to the needs of soaring
pilots. Users of this viewer are assumed to be familiar with
BLIPMAP and its parameters, as described on the NC 18Z BLIPMAP webpage and on the parameter
BASIC thermal forecast parameters
gives a short list of the parameters most important for thermal soaring.
BLIPMAP NEWS (Latest: Apr 14, 2023)
April 10, 2023: $1290
Latest: Fri May 19 06:53 "Default area not remembered by app" [Deane Williams]
DrJack sez: (Latest 5 news items)
Apri 10, 2023:
Yearly Expenses: website ~$600 + registration ~$100 = $700 / year
Yearly Income: 2022: $534
All BLIPMAPs are now freely available to registered users.
Registration (free) is needed for direct (no-nag-screen)
New users can
Currently registered users can
(get new cookie) here view registration .
More info is available at the
(cookie) status here Registration Information webpage.
EMAIL POLICY: There are
many advantages to having one person's knowledge be shared and
available to others, so I expect most BLIPMAP issues to be handled through
and ask those who have a question or problem or experience which could
be of interest to others to post it there. This allows others to
comment on the matter if they have any personal experience and also
allows any response I make to be read by others. If you send me
an email, I will respond personally only if it's nature is not
appropriate for such posting - in other cases I will simply
reply with a request to post to the forum.
I only look at the webpages and maps that I use personally or that I
suspect might contain an error. If you notice a consistent
problem with either, please post a message on the
Thanks to John Whitney (F9) for slaying the file-eating
dragon inhabiting the original viewer and adding the "ListSAVE/LOAD"
I also want to personally thank those whose support is listed on the
Heros: Contributors webpage.
Bookmark for this region's main viewer panel
Link to the NC 18Z NAM BLIPMAP webpage
Link to the BLIPMAP UniViewer
Link to the BLIPMAP Archive Viewer
Link to the BLIPMAP HELP webpage - for additional on-line information.