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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 | OVC | 36000 - 41000 | 99 | OVC | 32000 - 45000 | 91 | BKN@600 BKN@2300 OVC@3600 | KSEM 110055Z AUTO 19003KT 6SM -RA BKN006 BKN023 OVC036 18/18 A2984 RMK AO2 | ||
| 0150Z | OVC | 30000 - 43000 | 97 | OVC | 30000 - 46000 | 87 | BKN@800 BKN@1900 OVC@7500 | KSEM 110155Z AUTO 00000KT 10SM -RA BKN008 BKN019 OVC075 18/18 A2983 RMK AO2 | ||
| 0250Z | OVC | 31000 - 38000 | 95 | OVC | 33000 - 44000 | 81 | OVC@400 | KSEM 110255Z AUTO 25005KT 10SM OVC004 18/18 A2983 RMK AO2 | ||
| 0350Z | OVC | 31000 - 38000 | 92 | OVC | 35000 - 42000 | 86 | OVC@300 | KSEM 110355Z AUTO 27004KT 10SM OVC003 18/18 A2983 RMK AO2 | ||
| 0450Z | OVC | 32000 - 38000 | 96 | OVC | 33000 - 41000 | 86 | OVC@1200 | KSEM 110455Z AUTO 30008G14KT 4SM +RA OVC012 16/16 A2986 RMK AO2 | ||
| 0550Z | OVC | 33000 - 38000 | 96 | OVC | 30000 - 38000 | 81 | OVC@1400 | KSEM 110555Z AUTO 31012KT 10SM OVC014 15/15 A2985 RMK AO2 | ||
| 0650Z | OVC | 30000 - 37000 | 91 | OVC | 14000 - 37000 | 76 | SCT@900 OVC@1300 | KSEM 110655Z AUTO 30011KT 10SM SCT009 OVC013 14/14 A2985 RMK AO2 | ||
| 0750Z | OVC | 16000 - 37000 | 90 | BKN | 13000 - 38000 | 60 | SCT@1600 SCT@2100 OVC@3600 | KSEM 110755Z AUTO 31014KT 10SM SCT016 SCT021 OVC036 13/12 A2989 RMK AO2 | ||
| 0850Z | BKN | 13000 - 38000 | 67 | SCT | SCT | 13000 - 37000 | 43 | BKN@1200 BKN@2300 OVC@3900 | KSEM 110855Z AUTO 30010G18KT 8SM -DZ BKN012 BKN023 OVC039 11/11 A2994 RMK AO2 | |
| 0950Z | SCT | 14000 - 35000 | 13 | SCT | SCT | 13000 - 36000 | 4 | BKN@1900 OVC@2300 | KSEM 110955Z AUTO 28020G31KT 10SM BKN019 OVC023 11/10 A2996 RMK AO2 | |
| 1050Z | CLR | - | 0 | SCT | 13000 - 13000 | 0 | OVC@2800 | KSEM 111055Z AUTO 31012G18KT 10SM OVC028 09/06 A3000 RMK AO2 | ||
| 1150Z | CLR | - | 0 | CLR | - | 0 | FEW@2900 FEW@3800 BKN@4700 | KSEM 111155Z AUTO 30013G19KT 10SM FEW029 FEW038 BKN047 08/05 A3005 RMK AO2 | ||
| 1250Z | CLR | - | 0 | CLR | - | 0 | CLR | KSEM 111255Z AUTO 32013KT 10SM CLR 06/03 A3010 RMK AO2 | ||
| 1350Z | CLR | - | 0 | CLR | - | 0 | CLR | KSEM 111355Z AUTO 31012KT 10SM CLR 06/02 A3016 RMK AO2 | ||
| 1450Z | CLR | - | 0 | CLR | - | 0 | CLR | KSEM 111455Z AUTO 32014G27KT 10SM CLR 07/03 A3020 RMK AO2 | ||
| 1550Z | CLR | - | 0 | CLR | - | 0 | FEW@3300 | KSEM 111535Z AUTO 32019G25KT 10SM FEW033 07/01 A3022 RMK AO2 | ||