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029 0 a| DTICEb| ADA414335;

035 a| (Sirsi) o74246368;

035 a| (OCoLC)74246368;

040 a| DTICEc| DTICEd| GPOd| UtOrBLW;

049 a| ERE#;

074 a| 0324-A-01 (online);

086 0 a| D 101.133:2827;

100 1 a| Vaucher, Gail-Tirrel.?| UNAUTHORIZED;

245 10 a| Surface layer stability transition research minimum neutral event-to-sunrise time interval :b| 2001 September case study /c| by Gail-Tirrell Vaucher and Manny Bustillos.;

260 a| White Sands Missile Range, NM :b| U.S. Army Research Laboratory,c| [2003];

300 a| 1 online resource (vii, 58 pages) :b| digital, PDF file.;

336 a| text2| rdacontent;

337 a| computer2| rdamedia;

338 a| online resource2| rdacarrier;

490 1 a| ARL/TR ;v| 2827;

500 a| Title from title screen (viewed Sept. 20, 2010).;

500 a| "May 2003.";

504 a| Includes bibliographical references (p. 18-19).;

506 a| APPROVED FOR PUBLIC RELEASE.;

520 a| Near surface target acquisition and EO propagation significantly improve during the Surface Layer Stability Transition (SLST). Thus, this research expands Army Chief of Staff Shinseki's vision from "to see first" to, "to see better". The SLST is also the starting and ending points for the atmospheric convection growth phase, an important factor in chemical warfare modeling. In 2001, the Meteorological-sensors Integration Team of the Army Research Laboratory conducted the last of three field experiments with the primary purpose of characterizing, modeling and exploiting repeatable patterns in the lower portion of the atmospheric boundary layer. The repeatable patterns investigated were the morning Stability Transitions (ST) or Neutral Events (NE). The 2001 September 19-21 test dates were selected based on a forecasted minimal time interval between the local Sunrise and an Ideal case NE Two previous field tests addressed the other minimum (March 2001) and a maximum (June 2001) Sunrise-to-NE time interval These Tests are documented separate. This Surface Layer Stability Transition research pursued two measurement and analysis methods: Eulerian (Tower Data) and quasi-Lagrangian (Rawinsonde data) The Experiment's results validated the Neutral Event Forecast Model, in that all three days showed a ST during the forecasted ST time period. Examples of extended and multiple STs were documented by the data, further enhancing the characterization of a desert stable-neutral-unstable morning transition over the Equinox time period. The information documented in this report serves a useful building block in support of the primary goal.;

650 0 a| Boundary layer.=| ^A39412;

650 0 a| Forecasting.=| ^A3841;

650 17 a| Atmospheric Physics.2| scgdst;

650 27 a| Meteorology.2| scgdst;

650 17 a| Time intervals.2| dtict;

650 17 a| Optical properties.2| dtict;

650 17 a| Boundary layer.2| dtict;

650 17 a| Earth atmosphere.2| dtict;

650 27 a| Stability.2| dtict;

650 27 a| Army research.2| dtict;

650 27 a| Electrooptics.2| dtict;

650 27 a| Neutral.2| dtict;

650 27 a| Target acquisition.2| dtict;

650 27 a| Field tests.2| dtict;

650 27 a| Forecasting.2| dtict;

650 27 a| Chemical warfare.2| dtict;

650 27 a| Transitions.2| dtict;

650 27 a| Radiosondes.2| dtict;

650 27 a| Surface targets.2| dtict;

650 27 a| Reproducibility.2| dtict;

650 27 a| Sunrise.2| dtict;

653 1 a| STABILITY TRANSITION;

653 2 a| SLST(SURFACE LAYER STABILITY TRANSITION);

653 2 a| EXTENDED AND MULTIPLE NEUTRAL EVENTS;

653 2 a| NON-IDEAL CONDITIONS;

700 1 a| Bustillos, Manny.?| UNAUTHORIZED;

710 2 a| U.S. Army Research Laboratory.=| ^A367731;

830 0 a| ARL-TR (Aberdeen Proving Ground, Md.) ;v| 2827.=| ^A566074;

856 40 u| https://purl.fdlp.gov/GPO/LPS126493;

949 a| Click on web addressw| ASISh| JOYNER94;

998 a| 2321134;

998 a| u2321134;

596 a| 1;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 2321134-1001l| JNETm| JOYNERr| Ys| Yt| JNE1DOu| 10/18/2010x| EDOCUMENTz| JERESOURCE;

Surface layer stability transition research minimum neutral event-to-sunrise time interval : 2001 September case study / by Gail-Tirrell Vaucher and Manny Bustillos.

Author/creator	Vaucher, Gail-Tirrel
Other author	Bustillos, Manny.
Other author	U.S. Army Research Laboratory.
Format	Electronic
Publication Info	White Sands Missile Range, NM : U.S. Army Research Laboratory, [2003]
Description	1 online resource (vii, 58 pages) : digital, PDF file.
Supplemental Content	https://purl.fdlp.gov/GPO/LPS126493
Subjects	Boundary layer. Forecasting.

Series	ARL/TR ; 2827 ARL-TR (Aberdeen Proving Ground, Md.) ; 2827. ^A566074
Abstract	Near surface target acquisition and EO propagation significantly improve during the Surface Layer Stability Transition (SLST). Thus, this research expands Army Chief of Staff Shinseki's vision from "to see first" to, "to see better". The SLST is also the starting and ending points for the atmospheric convection growth phase, an important factor in chemical warfare modeling. In 2001, the Meteorological-sensors Integration Team of the Army Research Laboratory conducted the last of three field experiments with the primary purpose of characterizing, modeling and exploiting repeatable patterns in the lower portion of the atmospheric boundary layer. The repeatable patterns investigated were the morning Stability Transitions (ST) or Neutral Events (NE). The 2001 September 19-21 test dates were selected based on a forecasted minimal time interval between the local Sunrise and an Ideal case NE Two previous field tests addressed the other minimum (March 2001) and a maximum (June 2001) Sunrise-to-NE time interval These Tests are documented separate. This Surface Layer Stability Transition research pursued two measurement and analysis methods: Eulerian (Tower Data) and quasi-Lagrangian (Rawinsonde data) The Experiment's results validated the Neutral Event Forecast Model, in that all three days showed a ST during the forecasted ST time period. Examples of extended and multiple STs were documented by the data, further enhancing the characterization of a desert stable-neutral-unstable morning transition over the Equinox time period. The information documented in this report serves a useful building block in support of the primary goal.
General note	Title from title screen (viewed Sept. 20, 2010).
General note	"May 2003."
Bibliography note	Includes bibliographical references (p. 18-19).
Access restriction	APPROVED FOR PUBLIC RELEASE.
Issued in other form	Paper version: Vaucher, Gail-Tirrell. Surface layer stability transition research minimum neutral event-to-sunrise time interval. vii, 58 p.
GPO item number	0324-A-01 (online)
Govt. docs number	D 101.133:2827

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Surface layer stability transition research minimum neutral event-to-sunrise time interval : 2001 September case study / by Gail-Tirrell Vaucher and Manny Bustillos.

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