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20050325: Convective warning polygons
- Subject: 20050325: Convective warning polygons
- Date: Wed, 30 Mar 2005 07:53:47 -0700
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Date: Fri, 25 Mar 2005 20:06:45 -0600 (CST)
From: Gilbert Sebenste <address@hidden>
To: address@hidden
Subject: Convective warning polygons
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Hello all,
I was just wondering if an upcoming version of McIDAS will handle the
severe thunderstorm and tornado warnings that include a polygon
imbedded within the warning, which most accurately reflects which
areas are threatened the most by the storm.
http://www.crh.noaa.gov/lot/newsletter/spring2005/index.htm#Polygon
Thw article above describes this in more detail.
*******************************************************************************
Gilbert Sebenste ********
(My opinions only!) ******
Staff Meteorologist, Northern Illinois University ****
E-mail: address@hidden ***
web: http://weather.admin.niu.edu **
Work phone: 815-753-5492 *
*******************************************************************************
Date: Mon, 28 Mar 2005 09:14:37 -0600
From: Russ Dengel <address@hidden>
To: Gilbert Sebenste <address@hidden>
CC: address@hidden, russdengel <address@hidden>
Subject: Re: Convective warning polygons
References: <address@hidden>
I have a set of McIDAS applications that decode, list and plot
Tornado Warning messages. The decoder reads the warning text and saves
the direction, speed, observed location, warning counties and lat/lon
polygon pairs. The decoded information is stored as ADDE point data
objects which can be plotted directly with PTDISP. The listing
application (TORLIST) and plotting application (TORDISP) provide
formatted output of these warnings. Here is an example of a warning
decoded this AM
http://cimss.ssec.wisc.edu/~russd/samples/TEST.GIF
TORDISP is used to plot the Lat/Lon polygon region (black border
with yellow outline) and the projected path is plotted as a white line
segment.
I noticed in the text of the linked document, that the polygons are
described as a new feature. I have been decoding the Tornado Warning
messages for the past 5 years and there have been lat/lon pairs included
in nearly all of the warnings that I have seen. I'm wondering if the NWS
intends to supply a separate polygon set in addition to the current text
warning messages?
Russell Dengel
McIDAS development staff
Date: Mon, 28 Mar 2005 10:44:34 -0600
From: Russ Dengel <address@hidden>
To: Chris Herbster <address@hidden>,
Tom Yoksas <address@hidden>
CC: Russ Dengel <address@hidden>
Subject: Re: Convective warning polygons
Chris,
I will put all the pieces into the R&D section of the next McIDAS
release.
Applications:
TORDEC - common language tornado warning decoder (keyin
application)
TORLIST - lists decoded Tornado Warning messages (ADDE
application)
TORDISP - plots decoded Tornado Warning messages )ADDE
application)
Data files
DATOR - Tornado Warning MD file Scheme
TORWARN.CORE - Tornado Warning application context file
TORDEC.CFG - Tornado Warning decoder configuration file
You should receive this through Unidata. (Tom is that right?)
Russ
PS - Say Hello to Fred Mosher for me :-)
Chris Herbster wrote:
> Russ,
>
> I didn't want to reply to the whole list, though perhaps I should have
> if your intent was to make this available ....
>
> Is this an offer to make the code available to all, or is it already
> available? We'd love to take advantage of it if it exists for the
> public.
>
> Thanks,
>
> Chris Herbster
Date: Mon, 28 Mar 2005 11:48:19 -0500
From: Chris Herbster <address@hidden>
To: Russ Dengel <address@hidden>
CC: Tom Yoksas <address@hidden>,
Fred Mosher <address@hidden>
Subject: Re: Convective warning polygons
Russ,
This is great, thanks!
Hi Tom, see you in two weeks.
Fred, Russ says "Hi" (-:
Cheers,
CH
- --
Dr. Christopher G. Herbster
Associate Professor
Director of ERAU Weather Center
Applied Aviation Sciences
Embry-Riddle Aeronautical Univ.
600 S. Clyde Morris Blvd.
Daytona Beach, FL 32114-3900
386.226.6444 Office
386.226.6446 Weather Center
http://wx.erau.edu/
Date: Mon, 28 Mar 2005 13:53:05 -0600 (CST)
From: Gilbert Sebenste <address@hidden>
To: Russ Dengel <address@hidden>
cc: address@hidden
Subject: Re: Convective warning polygons
On Mon, 28 Mar 2005, Russ Dengel wrote:
> I noticed in the text of the linked document, that the polygons are
> described as a new feature. I have been decoding the Tornado Warning
> messages for the past 5 years and there have been lat/lon pairs included
> in nearly all of the warnings that I have seen. I'm wondering if the NWS
> intends to supply a separate polygon set in addition to the current text
> warning messages?
Yes they are, but the polygons are more refined now. As for supplying a
separate polygon set, I don't know.
*******************************************************************************
Gilbert Sebenste ********
(My opinions only!) ******
Staff Meteorologist, Northern Illinois University ****
E-mail: address@hidden ***
web: http://weather.admin.niu.edu **
Work phone: 815-753-5492 *
*******************************************************************************
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