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The first quantitative surface AOT monitoring data!: The magnitude of 0.3 - 0.5 is a respectable AOT for a 8-10 day old dust layer! And it comes and goes for the 3 days! What happened after the April 29th?...; Submitted by Husar Rudolf on 5/5/98

Thanks for sharing the aircaft aerosol size distribution data: Santiago, it is an absolute delight to have you share with us the aerosol size distribution data from the test flight of your new aeroplane. What a coincidence...; Submitted by Husar Rudolf on 5/4/98

Walter Lyons has registered: We have a long standing interest in long range dust transport. More immediately, we are gearing up for our annual monitoring of sprites (luminous flashes...

GOES-9 water vapor cloud tracked winds: 12-Hourly (00:00, 12:00 UTC) GOES-9 water vapor images and water vapor cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available...; Submitted by Bachmeier Scott on 5/4/98

GOES-9 IR cloud tracked winds: 12-Hourly (00:00, 12:00 UTC) GOES-9 IR images and IR cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available as GIF via anonymous...; Submitted by Bachmeier Scott on 5/4/98

GOES-9 visible cloud tracked winds (CORRECTION): Daily (00:00 UTC) GOES-9 visible images and visible cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available as GIF via anonymous...; Submitted by Bachmeier Scott on 5/4/98

GOES-9 visible cloud tracked winds: Daily (00:00 UTC) GOES-9 visible images and visible cloud tracked winds (lower to middle troposphere) from 21-30 April 1998 are available as GIF via anonymous...; Submitted by Bachmeier Scott on 5/4/98

Aircraft Measurement of the Asian Dust Size Distribution: Last Monday (April 27), the new aircraft (CONVAIR 580) of the CAR Group made a test flight over Cheeka Peek (NW tip of the Olympic Peninsula, WA) area around...; Submitted by Gasso' Santiago on 5/4/98

Sun Photometer Turbidity Measurements of the Dust at Reno, NV: I was in the process of taking sun photometer measurements during April 17 through 29 in Reno for a measurements class. Although I dont't have complete...; Submitted by DuBois Dave on 5/4/98

ground based sun photometer measurements during haze episode: I was in the process of taking sun photometer measurements during April 17 through 29 in Reno for a measurements class. Although I dont't have complete...; Submitted by DuBois Dave on 5/4/98

Alan VanArsdale has registered: Involved in [proposed] Advanced Monitoring Initiatives (as EPA Regional staff) to help develop air pollution/satellite technologies, PMf monitoring activites,...

Dan Jaffe has registered: Dust and pollution transport in the Pacific

Particle Size of The Dust: An Associated Press release on the dust closes by saying that most of the dust particles were smaller than 2.5 microns in diameter. Where does such information...; Submitted by Schnell Russ on 5/4/98

Gary Jackson has registered: April 27th, on the way to work I could not figure why it appeared to be so much smoke in the valley, especially to the north. Visibility was poor past 18...

Real-time Environmental Applications and Display System (READY): READY is an online source of past, present, and future meteorological data, as well as an interactive trajectory and dispersion modeling server.; Submitted by Schichtel Bret on 5/4/98

Dave DuBois has registered: aerosol transport, aerosol monitoring, atmospheric optics

Re: Travel Time for the Dust: I asked Joyce Harris of NOAA/CMDL to run some back trajectories from the LA area for 4/28/1998. The trajectories initiated at 5 km over LA reach back to...; Submitted by Schnell Russ on 5/3/98

Re: Haze in California: This message must have been posted by one of my co-workers.; Submitted by Hennessey Joseph on 5/3/98

bob johnson has registered: Been aware of heavy haze in Medford,Or for about a week and am pleased to find this site, info & and discussion. Situation has improved yesterday & today...

Bret Schichtel has registered: Long range transport, source receptor modeling

Kevin Lyle has registered: How a natural dust storm effects other countries.

Visual observations of dust: For at least the past week the normally very blue sky over Reno has been notably milky and washed out. During a Monday flight (appr 9 am) to LAX on...; Submitted by Redmond Kelly on 5/1/98

Kelly Redmond has registered: Whatever happens in the atmosphere over the West.

Pacific NW observations: We have been measuring aerosol optics and chemistry at NW tip of WA state for last two months. The dust pall descended over WA Wed April 29 (was aloft...; Submitted by Anderson Tad on 5/1/98

Tad Anderson has registered: Research Scientist, aerosol optics, chemistry, and global impacts

elevated PM10/PM2.5 in southerm British Columbia: >I am a staff scientist with the British Columbia, Ministry of the >Environment. I am investigating the underlying causes of the >particulate matter event...; Submitted by Sakiyama Steven on 5/1/98

Mauna Loa Observatory (MLO) and Asian Dust: Each spring MLO receives Asian Dust flows which may number up to 25 over the March May period. MLO was ready for this dust storm but it passed a bit too...; Submitted by Schnell Russ on 5/1/98

Learning Experience: Thanks for putting all that information together on your web page. My atmospheric chemistry students and I are finding it very stimulating.; Submitted by Huebert Barry on 5/1/98

Steven Sakiyama has registered: The April 27 - May 1 haze event in southern BC

Future Analysis: I learned about the big dust storm from Scott Bachmeier. These displays of images and data are wonderful. I plan to share some meteorological analyses...; Submitted by Merrill John on 5/1/98

Re: Need groud thruth aerosol data from the Pacific states!: I gave our Lidar folks here at UW-Madison a heads-up on this dust thing -- they're going to try and capture some data in the coming days (if we can lose...; Submitted by Bachmeier Scott on 5/1/98

Haze in California: I'm interested in the dust event because we have gotten a lot of calls from people wondering about the haze over California.; Submitted by Hennessey Joseph on 5/1/98

Eye Witness: I observed some potential effects of the Asian dust event in the eastern Sierra Mountains and in Metropolitan Los Angeles over the past couple of days.; Submitted by Durkee Kevin on 5/1/98

Russ Schnell has registered: Monitoring aerosols and gases in the free troposphere. Each spring MLO receives Asian Dust flows which may number up to 25 over the March May period. MLO...

Need groud thruth aerosol data from the Pacific states!: OK web-dusters, the debris (as in dust) is hitting the fan! Yesterday I talked to Associated Press, today Voice of America … but I am getting a bit nervous...; Submitted by Husar Rudolf on 5/1/98

I'll be back - the dust says to S California.: Bulletin (May 1,98): GOES10 and SeaWiFS...; Submitted by Husar Rudolf on 5/1/98

Daily Aerosol and Met Data During the April 1998 Asian Dust Event: This is an array of daily images that have been considered relevant to this Asian Dust Event case study. It is hoped that with time there will be many other...; Submitted by Husar Rudolf on 5/1/98

Aerosol weather data on the web: This is a list of web links that I use to check out the global daily aerosol situation. I have been doing that since about February 98. Sofar it has been...; Submitted by Husar Rudolf on 5/1/98

Approximate dust path across the Pacific: A map of the approximate dust cloud location during the 8 day transit from Western China to the Pacific Coast based on satellite image analysis. [The 'community'...; Submitted by Husar Rudolf on 5/1/98

john porter has registered: I am involved in validating satellite aerosol algorithms and development of new algorithms.

Barry Huebert has registered: Thanks for putting all that information together on your web page. My atmospheric chemistry students and I are finding it very stimulating.
Interests:...

Re: Smoke from prescribed burns.: The answer is: maybe. Using GOES-9, we can look for the appearance of `hot spots` from fires on the 3.9 micron shortwave InfraRed images -- this tells us...; Submitted by Bachmeier Scott on 4/30/98

Rich Arimoto has registered: Source regions for Asian dust, long-range transport, air/sea exchange, biogeochemical cycles.

Smoke from prescribed burns.: At the Air Resources Board in Sacramento we have heard that there may have been several large prescribed burns this week in Oregon, Idaho and Washington.
If...; Submitted by Hennessey Joseph on 4/30/98

Joseph Hennessey has registered: I'm interested in the dust event because we have gotten a lot of calls from people wondering about the haze over California.
We in the Meteorology Section...

Re: Re: Re: How did you notice the Asian dust plume?: I first became aware of dust on morning of 4/28, preparing to join colleague and travel to Edwards AFB in Mojave Desert. Naturally thought it would be...; Submitted by Conel Jim on 4/30/98

John Merrill has registered: We do research on the meteorology of long range transport and the impacts on the oceans and on climate. I learned about the big dust storm from Scott Bachmeier....

Jim Conel has registered: Observations of Chinese Dust in LA Basin and Mojave Desert.
I first became aware of dust on morning of 4/28, preparing to join colleague and travel to...

Re: Re: Altitude of dust: P.S. -- doing quick'n'dirty calculations of 8000-9000 miles of transport in 8-10 days, you get transport speeds of 33-47 mph -- winds speeds more typical...; Submitted by Bachmeier Scott on 4/30/98

Re: Altitude of dust: My experience with these types of aerosol layers is that they get lofted into the 1.0-5.0 km (3000-15000 ft) range by some combination of mechanical mixing,...; Submitted by Bachmeier Scott on 4/30/98

Santiago Gasso' has registered: Remote Sensing of aerosols: validation of aerosol satellite measurements, radiative transfer of aerosols, long range transport of aerosols, airborne measurements...

Altitude of dust: Like many who have commented, we here in eastern Washington are experiencing an unusual haze episode. We've had a strong subisdence inversion for the...; Submitted by Miller Ronald on 4/30/98

Ronald Miller has registered

Re: Is the dust event past its peak?: Yes, GOES10 images indicate that the Asian Dust is fading over the West Coast: Apr 25 Noon, ...; Submitted by Husar Rudolf on 4/30/98

Is the dust event past its peak?: Rudy, do you feel that this event is already past its peak?; Submitted by Tratt David on 4/30/98

Yellow, muddy rain over Beijing: About the Dust Storm: It was reported that the dust storm begun from a large area of Gansu Province in northwest China, early morning on April 15th. With...; Submitted by Li Fang on 4/30/98

Fang Li has registered: Remote sensig of aerosol properties, aerosol optical depth pattern, atmospheric correction to satellite data.

Re: Asian Dust over southern and eastern California?: I also noted the hazy, miliky appearance to the sky in the Western Mojave Desert (Tehachapi and California City) on Sat/Sun 4/25-26. At first I attributed...; Submitted by Rogers Walter on 4/29/98

Walter Rogers has registered: Meteorologist in Charge (NWS) Los Angeles Center Weather Service Unit Palmdale, CA. We support the FAA's Air Route Traffic Control Center in Palmdale,...

Re: Re: Re: How did you notice the Asian dust plume?: Yesterday, 4/28/98, Dr. Jim Conel and I drove from JPL in Pasadena to Edwards AFB out by Lancaster. That morning, Jim made a point of bringing his jacket,...; Submitted by Helmlinger Mark on 4/29/98

Mark Helmlinger has registered: Optical/Near IR sunphotometry measurements from JPL, Pasadena, CA. concurrent with Lidar and possibly CIMEL/MFRSR

Asian Dust over southern and eastern California?: Thanks for this URL and the info on Asian dust. It is a great resource. It was also very timely.
I arrived to work this morning after a few days...; Submitted by Durkee Kevin on 4/29/98

Re: Re: How did you notice the Asian dust plume?: I noticed a report on CNN's website on April 20 about the dust storm. They included impressive video...; Submitted by Falke Stefan on 4/29/98

Stefan Falke has registered: Aerosol pattern, website maintenance

Re: How did you notice the Asian dust plume?: I caught a blurb about the dust storm on ABC News on Tuesday, 21 April; over the days that followed, I began to look for signs of dust on the GOES-9 imagery....; Submitted by Bachmeier Scott on 4/29/98

Kevin Durkee has registered: I am involved in event forecasting and regulatory issues related to particulate air quality in Southern California, including prescribed fire management...

Re: Yucatan smoke over Texas (was: Chinese Dust Over South Texas?): Is it me, or has there been an unusually high amount of burning (and resultant smoke over the Gulf of Mexico) over that region this Spring? Our GOES Gallery...; Submitted by Bachmeier Scott on 4/29/98

Re: Dust-alert sent to intersted parties: As of last night, 9804282344 GMT, the only dust signal that I saw was on the GOES8 image...; Submitted by Husar Rudolf on 4/29/98

Re: How did you notice the Asian dust plume?: I saw a blurb about the dust storm on ABC News on Tuesday 21 April; I then began to watch the GOES-9 imagery for hints of haziness. I was surprised by...; Submitted by Bachmeier Scott on 4/29/98

Re: Chinese Dust Over South Texas?: Hello Forrest, welcome! Doubt that what you see in Texas is Chinese dust. More likely the large aureole and optical depth is due to the Yucatan smoke that...; Submitted by Husar Rudolf on 4/29/98

Annmarie Eldering has registered: I'm interested in atmospheric aerosols and thier effects on visibility, radiation, and atmospheric chemistry. My work began with urban air pollution and...

How did you notice the Asian dust plume?: Hey Scott, how did you notice the Asian dust plume? I have been monitoring the interesting aerosol regions of the world (China, Indochina, Mexico) through...; Submitted by Husar Rudolf on 4/29/98

Chinese Dust Over South Texas?: A very mild cold front has brought a cloud-free sky, dust (on cars), very large solar aureole, light blue sky and higher than usual measured optical...; Submitted by Mims Forrest on 4/29/98

Forrest Mims has registered

1. Annual observations at Mauna Loa Observatory (May) since 1992.

2. Daily AOT observations in South Texas since 1990.

3. Smoke-related research during...

Re: Re: Re:Tracking the Asian dust plume?: Hey, a real, spontaneous two-way link, a synapse! Soon we will operate together like Jule Verne's World Brain :).; Submitted by Husar Rudolf on 4/29/98

Re: Re:Tracking the Asian dust plume?: Thanks for linking to our Asian dust Web page...I'll return the favor and add your excellent page to our HTML document.; Submitted by Bachmeier Scott on 4/29/98

Re:Tracking the Asian dust plume?: [Trnas-scibed from e-mail correspondende]. I am so glad see your note on the Asian dust storm. I almost thought that I am halucinating! Yes we have set...; Submitted by Husar Rudolf on 4/29/98

Tracking the Asian dust plume?: Dr. Husar, I heard that you might be tracking an Asian dust plume that crossed the Pacific this past week? For your information, I have some GOES-9 images...; Submitted by Bachmeier Scott on 4/29/98

Satellite Sensing of Tropospheric Aerosols Over the Oceans with NOAA AVHRR: Two years of AVHRR data over the oceans show that East Asia has a strong springtime aerosol plume stretching out to the Pacific. Could that springtime Asian...; Submitted by Husar Rudolf on 4/29/98

Dust-alert sent to intersted parties: I am passing information about this event to a series of folk who deal in both in situ measurements of L.A. Basin aerosols and also those of us who collect...; Submitted by Tratt David on 4/29/98

Scott Bachmeier has registered: satellite meteorology, long-range atmospheric transport

Hi, web dusters: I think that we will have fun with this one. Looking forward hearing your ideas.; Submitted by Husar Rudolf on 4/29/98

David Tratt has registered: The JPL Laser Remote Sensing Group operates backscatter lidar systems from its site at Pasadena, Calif. We have a long- standing interest in the optical...

Rudolf Husar has registered: Aerosol pattern, transport, web-based collaboration.

Bryan Van Hook has registered: Website Development