D Q R Report

DQRID : D090331.3

Start Date	Start Time	End Date	End Time
10/11/2008	0700	10/11/2008	1100
11/22/2008	1400	11/24/2008	0310
11/07/2008	0652	11/08/2008	1903
11/25/2008	1900	11/27/2008	0300
02/13/2009	1450	02/18/2009	1800
10/10/2008	1220	10/10/2008	1750

Subject:	NSA/MET/C1 - PWS data missing due to snow impaction
DataStreams:	nsametC1.b1
Description:	Blizzard conditions caused the optics to become impacted with snow and ice rendering the Present Weather Detector inoperative.
Suggestions:
Measurements:	nsametC1.b1: PWS cumulative liquid precipitation(pws_cumul_rain) PWS 1 minute mean precipitation rate(pws_precip_rate_mean_1min) Quality check results on field: PWS cumulative liquid precipitation(qc_pws_cumul_rain) PWS 15 minute present weather code(pws_pw_code_15min) Quality check results on field: PWS 15 minute present weather code(qc_pws_pw_code_15min) Quality check results on field: PWS instantaneous present weather code(qc_pws_pw_code_inst) qc_pws_err_code PWS instantaneous present weather code(pws_pw_code_inst) Quality check results on field: PWS 1 minute mean precipitation rate(qc_pws_precip_rate_mean_1min) pws_vis_mean_10min Quality check results on field: PWS 1 hour present weather code(qc_pws_pw_code_1hr) PWS alarm(pws_err_code) PWS cumulative snow(pws_cumul_snow) Quality check results on field: PWS cumulative snow(qc_pws_cumul_snow) PWS 1 hour present weather code(pws_pw_code_1hr) qc_pws_vis_mean_10min qc_pws_vis_mean_1min pws_vis_mean_1min more