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k4kyv
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Don
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« on: March 07, 2005, 10:56:04 PM »

A free, up-to-the-minute map showing T-storm activity in North America can be viewed at:

http://www.lightningstorm.com/tux/jsp/gpg/lex1/mapdisplay_free.jsp

I have found it to be a good predictor of QRN condx on 160 and 80m.
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Don, K4KYV                                       AMI#5
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W2PFY
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« Reply #1 on: March 08, 2005, 10:27:44 AM »

Pretty strange,  I tried this on two different browsers and I cannot receive the site. I used to be able to do it.  It was a great tool in my view and was introduced to me by W1IA Brent.

 :oops:  Sad  :!:  :?:  :cry:  Sad  :?
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W1RKW
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« Reply #2 on: March 08, 2005, 03:19:56 PM »

Thanks Don, I just added it to all my other esoteric weather links.
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Pete, WA2CWA
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« Reply #3 on: March 08, 2005, 04:23:31 PM »

Quote from: W2PFY
Pretty strange,  I tried this on two different browsers and I cannot receive the site. I used to be able to do it.  It was a great tool in my view and was introduced to me by W1IA Brent.

 :oops:  :(  :!:  :?:  :cry:  :(  :?


Using Windows IE, site came right up.
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Pete, WA2CWA - "A Cluttered Desk is a Sign of Genius"
k4kyv
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« Reply #4 on: March 08, 2005, 05:41:16 PM »

I get it using Mozilla Firefox.  IE worked ok too, last time I tried.
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Don, K4KYV                                       AMI#5
Licensed since 1959 and not happy to be back on AM...    Never got off AM in the first place.

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GEORGE/W2AMR
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« Reply #5 on: March 08, 2005, 06:29:54 PM »

Quote from: k4kyv
A free, up-to-the-minute map showing T-storm activity in North America can be viewed at:

http://www.lightningstorm.com/tux/jsp/gpg/lex1/mapdisplay_free.jsp

I have found it to be a good predictor of QRN condx on 160 and 80m.

That might come in handy when chasing E-openings on 6 in the summer.
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k4kyv
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« Reply #6 on: March 08, 2005, 07:43:05 PM »

I think LightningStorm.com is the best one, but here are some more free lightning map websites.  Some of these are not real-time maps but indicate where the most lightning prone regions are located.

http://www.weather.com/maps/activity/golf/uslightningstrikes_large.html

http://wwwa.accuweather.com/adcbin/public/lightning_index_large.asp?nav=home&thisreg=US_&btnreg=Go

http://science.nasa.gov/headlines/y2001/ast05dec_1.htm?list58530

http://www.crh.noaa.gov/pub/ltg/usa_ltg_fdm.gif

http://www.intellicast.com/Local/USNationalStd.asp?loc=usa&seg=LocalWeather&prodgrp=SevereWeather&product=NationalLightning&prodnav=none&pid=none
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Don, K4KYV                                       AMI#5
Licensed since 1959 and not happy to be back on AM...    Never got off AM in the first place.

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This message was typed using the DVORAK keyboard layout.
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Pete, WA2CWA
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« Reply #7 on: March 08, 2005, 07:50:59 PM »

Quote from: GEORGE/W2AMR
Quote from: k4kyv
A free, up-to-the-minute map showing T-storm activity in North America can be viewed at:

http://www.lightningstorm.com/tux/jsp/gpg/lex1/mapdisplay_free.jsp

I have found it to be a good predictor of QRN condx on 160 and 80m.

That might come in handy when chasing E-openings on 6 in the summer.


I don't recall seeing any direct connection between lightning and E-openings.

As cold and warm fronts bounce into each other, tropo, or tropo ducting, is common on signals above 100 MHz along the cold/warm boundary.
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Pete, WA2CWA - "A Cluttered Desk is a Sign of Genius"
GEORGE/W2AMR
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« Reply #8 on: March 08, 2005, 08:17:24 PM »

Quote from: Pete, WA2CWA
Quote from: GEORGE/W2AMR
Quote from: k4kyv
A free, up-to-the-minute map showing T-storm activity in North America can be viewed at:

http://www.lightningstorm.com/tux/jsp/gpg/lex1/mapdisplay_free.jsp

I have found it to be a good predictor of QRN condx on 160 and 80m.

That might come in handy when chasing E-openings on 6 in the summer.


I don't recall seeing any direct connection between lightning and E-openings.

As cold and warm fronts bounce into each other, tropo, or tropo ducting, is common on signals above 100 MHz along the cold/warm boundary.

Pete, I was taught that the resulting wind shear from thunderstorms above a certain height ,  ionize patches of the E-layer ,causing openings called sporadic -E .  I have noticed some tropo on 6 , but  it's much more prevalent on 2 meters and above. On the other hand  the MUF for E-openings rarely makes it to two meters and above.
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