TWEB products have been discontinued.
Bob Gardner
"Larry Dighera" <LDighera@[EMAIL PROTECTED]
> wrote in message
news:n6p7449qtbr7m33vuc4dpnipo3f0bbdli4@[EMAIL PROTECTED]
> On Fri, 30 May 2008 09:39:00 -0700, Terence Wilson <tez@[EMAIL PROTECTED]
>
> wrote in <8ua044dmtoa0ai34ibb7fqtaqs2cki9ih6@[EMAIL PROTECTED]
>:
>
>>Here in the San Francisco Bay Area we've had coastal clouds in the
>>mornings with ceilings in the 1000-2000 range recently, 10-20 miles
>>west of Oakland the clouds dissipate completely. I was wondering
>>weather there exists a reliable way of determining the cloud tops
>>(other than PIREPs).
>>
>>TIA
>
>
> A little research yielded this information:
>
>
http://www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgAdvisoryCircular.nsf/0/702ef0bfe021ab3986256bb2005c1458/$FILE/sec1-5.pdf
> In addition, pilots are a vital source of upper-air weather
> observations. In fact, aircraft in flight are the only means of
> directly observing turbulence, icing, and height of cloud tops. For
> more information on PIREPs, see Section 3. Recently some US and other
> international airlines have equipped their aircraft with instruments
> that automatically send weather observations via a satellite downlink.
> These are im****tant observations which are used by NCEP in their
> production of forecasts. 1999
>
>
> http://adds.aviationweather.noaa.gov/pireps/java/
> PIREPs Java Tool
>
>
>>http://aviationweather.gov/obs/radar/
> Radar Coded Message Composite Image with Tops
>
>
> http://www.crh.noaa.gov/gjt/?n=tweb
> Transcribed Weather Broadcasts
>
>
> http://www.srh.noaa.gov/srh/cwwd/faqs/twb.htm
> TRANSCRIBED WEATHER BROADCAST ROUTE FORECAST
> To assist pilots in preflight and enroute planning. The forecast
> provides expected conditions (sky condition, cloud tops, surface
> visibility, weather and obstructions to visibility, and significant
> surface wind) along and 25 nautical miles either side of a specified
> route. TWEB route forecasts are disseminated via appropriate Federal
> Aviation Administration (FAA) communications systems,including low
> frequency navigational aids.
> CONTACT: Judson Ladd, W/SR1x2
> Regional Aviation Meteorologist
> (817) 978-2652 Ext. 109
>
>
> Inquire here:
> ncep.awc.avwx@[EMAIL PROTECTED]
> ncep.awc.adds@[EMAIL PROTECTED]
>
>
> http://www.weather.gov/tg/radarimage.html
> The NCEP/AWC composite image is produced which includes aviation used
> cloud tops, convective sigmets, and outlooks.


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