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Satellite Cloud Product
NESDIS produces a Satellite Cloud Product (SCP) that supplements the ASOS ceilometer readings. This page merges the SCP data with the METAR observations for a given UTC date. Cloud level values are presented in feet above ground level. ECA represents estimated cloud amount expressed in percentage. An IEM Web Service provided the following JSON dataset for this page. Data is available for some sites back to 1993.
| SCP Valid UTC | Satellite East Sounder | Satellite West Sounder | ASOS METAR Report | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid Clouds | High Clouds | Levels [ft] | ECA [%] | Mid Clouds | High Clouds | Levels [ft] | ECA [%] | Levels ft | METAR | |
| 0050Z | SCT | 13000 - 28000 | 15 | SCT | 13000 - 22000 | 2 | OVC@6000 | KALW 220053Z AUTO 16004KT 10SM OVC060 05/03 A3003 RMK AO2 SLP177 T00500033 | ||
| 0150Z | SCT | 13000 - 32000 | 9 | SCT | 13000 - 25000 | 8 | BKN@7000 | KALW 220153Z AUTO 18008KT 10SM BKN070 07/04 A3003 RMK AO2 SLP178 T00670039 | ||
| 0250Z | SCT | 13000 - 25000 | 29 | BKN | 13000 - 30000 | 41 | SCT@11000 | KALW 220253Z AUTO 18006KT 10SM SCT110 06/03 A3005 RMK AO2 SLP186 T00560033 53009 | ||
| 0350Z | BKN | 13000 - 30000 | 39 | BKN | 13000 - 27000 | 43 | SCT@7000 OVC@9500 | KALW 220353Z AUTO 18008KT 10SM SCT070 OVC095 06/03 A3008 RMK AO2 SLP194 T00560033 | ||
| 0450Z | SCT | 13000 - 29000 | 23 | BKN | 13000 - 30000 | 43 | FEW@5500 BKN@8000 OVC@10000 | KALW 220453Z AUTO 16007KT 10SM FEW055 BKN080 OVC100 07/04 A3009 RMK AO2 RAB21E43 SLP197 P0001 T00670039 | ||
| 0550Z | SCT | 13000 - 26000 | 28 | SCT | 13000 - 25000 | 38 | OVC@6000 | KALW 220553Z AUTO 16008KT 10SM OVC060 08/04 A3009 RMK AO2 SLP199 60001 T00780044 10078 20039 51013 | ||
| 0650Z | BKN | 13000 - 31000 | 32 | SCT | 13000 - 30000 | 26 | OVC@5500 | KALW 220653Z AUTO 20004KT 10SM OVC055 07/04 A3011 RMK AO2 SLP203 T00720039 | ||
| 0750Z | SCT | 13000 - 28000 | 18 | SCT | 13000 - 22000 | 3 | BKN@4200 BKN@5000 OVC@9000 | KALW 220753Z AUTO 17004KT 10SM BKN042 BKN050 OVC090 06/04 A3010 RMK AO2 SLP200 T00610039 400780006 | ||
| 0850Z | SCT | 13000 - 38000 | 18 | SCT | 13000 - 37000 | 17 | BKN@7000 | KALW 220853Z AUTO 26003KT 10SM BKN070 06/03 A3010 RMK AO2 SLP202 T00610033 51003 | ||
| 0950Z | SCT | 13000 - 38000 | 20 | SCT | 13000 - 38000 | 22 | OVC@6000 | KALW 220953Z AUTO 14004KT 10SM OVC060 04/03 A3011 RMK AO2 SLP204 T00390028 | ||
| 1050Z | OVC | 27000 - 34000 | 40 | OVC | 18000 - 38000 | 45 | SCT@5000 | KALW 221053Z AUTO 00000KT 10SM SCT050 03/02 A3011 RMK AO2 SLP204 T00330017 | ||
| 1150Z | OVC | 22000 - 38000 | 53 | OVC | 24000 - 37000 | 57 | CLR | KALW 221153Z AUTO 08004KT 10SM CLR 04/02 A3011 RMK AO2 SLP204 70009 T00390022 10078 20022 51001 | ||
| 1250Z | OVC | 19000 - 33000 | 45 | OVC | 17000 - 30000 | 55 | OVC@7000 | KALW 221253Z AUTO 11004KT 10SM OVC070 04/03 A3011 RMK AO2 SLP204 T00440028 | ||
| 1350Z | OVC | 17000 - 28000 | 49 | OVC | 14000 - 26000 | 61 | FEW@2000 SCT@6000 OVC@7500 | KALW 221353Z 11005KT 10SM -RA FEW020 SCT060 OVC075 06/03 A3011 RMK AO2 RAB48 SLP202 P0000 T00560033 | ||
| 1450Z | BKN | 13000 - 31000 | 40 | BKN | 13000 - 30000 | 45 | FEW@6000 | KALW 221453Z 11004KT 10SM FEW060 05/03 A3009 RMK AO2 RAE00 SLP195 P0000 60000 T00500028 58007 | ||
| 1550Z | OVC | 14000 - 30000 | 58 | OVC | 18000 - 29000 | 64 | FEW@7500 | KALW 221553Z 10005KT 10SM FEW075 06/03 A3007 RMK AO2 SLP188 T00560028 | ||