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M., "Inadvertent Modification of Weather andClimat'e by Atmospheric Pollutants,'' ESSA Technical ReportERL 185"APCL 15, Atmospheric Physics and Chemistry Lab-oratory, Boulder, Colo., Sept. 1970, 103 pp.Bonis, S., Instituto Geografico National, Guatemala City, Guate-mala, May 1971 (personal communication).Holle, Ronald L., "The Effect on Rainfall of Cloud CondensationNuclei From Vegetation Fires Over South Florida During SpringDroughts," ESSA Technical hlemorandum ERLTM-AOML 4,Atlantic

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Andreas Dörnbrack, Sonja Gisinger, Michael C. Pitts, Lamont R. Poole, and Marion Maturilli

-term forecast of a numerical weather prediction (NWP) model utilizing an unprecedented global resolution of about 8 km (for data sources, see the appendix ). In our days of ceaseless swells of pictures taken everywhere and anytime on the planet, a snapshot taken from a sensor much different than a camera, taken from a perspective so much different than from Earth, and superimposed with numerical predictions reflecting the observed flow features with a remarkable realism elicits wonder and admiration. Fig

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Eric A. Hendricks, Brian D. McNoldy, and Wayne H. Schubert

National Weather Service Weather Surveillance Radar-1988 Doppler (WSR-88D) in Brownsville, Texas, prior to landfall. The observations showed a dynamic eyewall with significant azimuthal variability on short times scales (30 min to 1 h) during a 6-h rapid intensification and deepening period before it made landfall. The purpose of this note is to document this dramatic variability and to understand its role in the intensity variability of Dolly prior to landfall. This note is organized as follows. A

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David M. Schultz, Derek S. Arndt, David J. Stensrud, and Jay W. Hanna

]. Although a coastal low was dumping up to a foot (30 cm) of snow in North Carolina ( Fig. 1 ), skies were generally clear farther west, except for a few light snow flurries. Despite accumulations from these snow flurries ranging from a dusting to less than an inch (2.5 cm), at least three National Weather Service (NWS) forecast offices (Springfield, Missouri; Norman, Oklahoma; and Huntsville) mentioned the snow in their Area Forecast Discussion products after it had already begun falling. Specifically

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