MLS V4

UARS MLS PARAMETER: O3_183

UARS MONTH: 9204
UARS DAYS: 0234 - 0263 ( 2 May 1992 - 31 May 1992 )

Plots for this month (pdf)
ASCII Data file of significant spikes for this month

File Creation Date: 29-Oct-2001 Spikecatcher revision date: 18-Oct-2001
Quality Indicator for Month (QIM) [for v500 . dat_1 ] = A
Further actions recommended: None.
Comments: NCEP data (northern hemisphere) were missing for UARS day 235 (this has a minor impact on MLS retrievals).

Number of records in each DQI and MMAF_STAT category

MMAF_STAT: G, good data; t, missing NCEP temperatures below 22 hPa; T, missing NCEP temperatures below 100 hPa; M, missing tangent points; P, pointing anomaly; S, scan anomaly; B, bad data.
DQI (Data Quality Indicator): 4, good radiance fit/good radiances; 3, good radiance fit/some bad radiances; 2, bad radiance fit/good radiances; 1, bad radiance fit/some bad radiances; 0, anomaly/no fit.


Quality	MMAF STAT
(O3_183 Band)	B	S	P	M	T	t	G
4	0	0	0	0	774	0	38762
3	0	0	0	0	0	0	7
2	0	0	0	0	0	0	8
1	0	0	0	0	0	0	0
0	0	0	0	0	0	0	0

Number of spikes

These are spikes in the retrieved O3_183 mixing ratios for records with MMAF_STAT = G/T/t and DQI = 4/2 (that is, good records with good radiances). Spikes are identified by comparison of their deviation from the monthly zonal mean with the rms variability (sigma) calculated in distinct 6 degree latitude bins.
Total records this month with MMAF_STAT = G/T/t and DQI = 4: 39536
Total records this month with MMAF_STAT = G/T/t and DQI = 4/2: 39544
Total records with MMAF_STAT = G/T/t and DQI = 4 with at least one spike greater than 5.0 sigma: 41 (fraction = 1.04e-03 )
Total records with MMAF_STAT = G/T/t and DQI = 4/2 with at least one spike greater than 5.0 sigma: 43 (fraction = 1.09e-03 )
Total records with MMAF_STAT = G/T/t and DQI = 4 with at least one spike greater than 4.0 sigma: 219 (fraction = 5.54e-03 )
Total records with MMAF_STAT = G/T/t and DQI = 4/2 with at least one spike greater than 4.0 sigma: 218 (fraction = 5.51e-03 )

P (hPa)	4.0 to 5.0 sigma	5.0 to 10 sigma	> 10 sigma	total

0.010	6	0	0	6
0.015	3	0	0	3
0.022	1	0	0	1
0.032	12	0	0	12
0.046	11	3	0	14
0.068	36	14	0	50
0.100	14	4	0	18
0.147	7	1	0	8
0.215	4	0	0	4
0.316	2	0	0	2
0.464	6	0	0	6
0.681	5	1	0	6
1.00	4	0	0	4
1.47	5	0	0	5
2.15	6	0	0	6
3.16	2	0	1	3
4.64	3	1	0	4
6.81	8	3	0	11
10	16	2	1	19
15	10	1	2	13
22	1	2	1	4
32	2	3	2	7
46	2	2	4	8
68	9	4	5	18
100	35	8	3	46

Records with spikes > 5.0 sigma

Day	Record	MMAF STAT	DQI	Lat	Lon	P (hPa)	O3_183 (ppmv)	UNCERT (ppmv)	sigma factor

234	67	G	4	29S	87	0.068	0.1	0.6	5.4
234	163	G	4	12S	87	3.16	3.8	0.3	11.0
234	242	G	4	31S	34	0.068	0.1	0.6	5.3
234	419	G	4	29S	349	0.100, 0.068	-0.2, -0.0	0.4, 0.5	5.6, 5.9
234	595	G	4	30S	299	0.068	0.1	0.5	5.3
234	772	G	4	28S	254	0.068	0.1	0.5	5.3
234	817	G	4	61N	111	0.100	1.8	0.4	5.4
234	859	G	4	30S	226	0.100, 0.068	-0.1, -0.1	0.4, 0.5	5.2, 6.3
234	906	G	4	58N	90	0.046	2.0	0.4	5.2
234	948	G	4	29S	205	0.100, 0.068	-0.3, 0.1	0.4, 0.5	6.0, 5.3
234	1035	G	4	30S	176	0.068	0.1	0.6	5.2
234	1213	G	4	27S	134	0.068	-0.0	0.5	6.0
234	1300	G	4	29S	106	0.147	0.4	0.7	5.1
235	27	T	4	59N	327	0.046	2.1	0.4	5.6
235	466	T	4	64N	200	0.068	1.4	0.5	6.3
235	510	G	4	28S	322	0.068	0.1	0.6	5.2
235	686	G	4	28S	272	0.068	0.1	0.6	5.3
235	1127	G	4	27S	153	0.068	0.1	0.6	5.3
236	73	G	4	28S	79	0.068	0.1	0.5	5.0
236	314	G	4	6S	285	6.81	11.2	0.4	6.1
236	520	G	4	13S	336	68	1.5	0.2	5.3
236	1276	G	2	15N	4	100, 68, 46, 32, 22, 15, 10	-1.6, 10.4, -14.8, -11.0, 17.1, 4.6, 8.0	0.3, 0.2, 0.2, 0.2, 0.3, 0.4, 0.4	8.0, 29.0, 34.6, 31.8, 26.8, 14.5, 10.2
237	148	G	4	26S	349	100	-0.8	0.3	5.3
238	1194	G	2	12N	18	100, 68, 46, 32	-23.4, 6.3, -4.4, 5.2	0.3, 0.3, 0.3, 0.3	36.8, 10.7, 24.7, 5.9
243	615	G	4	33S	234	46	4.7	0.2	6.1
244	855	G	2	22N	76	100, 68, 46, 32	-26.7, 16.5, -10.0, 6.5	0.3, 0.2, 0.2, 0.3	36.9, 21.6, 19.3, 7.1
247	606	G	4	1S	145	4.64	9.9	0.4	5.5
250	20	G	4	31S	13	100	-0.8	0.3	5.2
250	80	G	4	17N	264	100	-1.5	0.4	7.5
251	975	G	4	19S	40	22, 15	3.9, 11.0	0.3, 0.4	7.2, 5.6
252	118	G	4	23S	355	100	-0.8	0.4	5.2
253	1271	G	4	10S	46	68	-0.7	0.2	6.5
255	1117	G	4	45N	114	100	4.9	0.4	11.3
256	369	G	4	10S	173	0.681	3.4	0.4	5.4
256	622	G	2	25N	79	68, 46, 32, 22, 10	-21.2, -16.8, 8.4, 9.1, 9.0	0.3, 0.3, 0.3, 0.3, 0.4	30.2, 30.1, 12.3, 8.0, 5.0
256	906	G	4	29S	52	100	-1.0	0.4	5.6
256	1024	G	4	18N	120	6.81	12.0	0.4	5.6
258	154	G	4	37N	1	6.81	11.6	0.4	7.5
258	1089	G	4	32S	359	68	-0.6	0.2	5.0
259	575	G	4	27S	186	100	-1.0	0.5	5.7
259	656	G	4	34S	134	0.046	2.0	0.5	5.6
261	856	G	4	3N	132	68	-1.1	0.3	8.5
262	728	G	2	15N	26	100, 68, 46, 32, 15, 10	5.7, -19.0, 3.3, 6.2, 6.7, 8.7	0.3, 0.3, 0.3, 0.3, 0.4, 0.4	8.1, 36.7, 5.2, 9.2, 10.2, 8.0

UARS MLS PARAMETER: O3_183

UARS MONTH: 9204 UARS DAYS: 0234 - 0263 ( 2 May 1992 - 31 May 1992 )

UARS MONTH: 9204
UARS DAYS: 0234 - 0263 ( 2 May 1992 - 31 May 1992 )