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 | METAR Valid Local | 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 | ||
| 0550Z | 12:55 AM | SCT | 24000 - 52000 | 18 | SCT | 14000 - 45000 | 20 | CLR | KSEM 180555Z AUTO 00000KT 10SM CLR 26/25 A3003 RMK AO2 | ||
| 0650Z | 1:50 AM | SCT | 20000 - 51000 | 13 | SCT | 14000 - 52000 | 16 | CLR | KSEM 180650Z AUTO 20004KT 10SM CLR 25/24 A3000 RMK AO2 | ||
| 0750Z | 2:50 AM | SCT | 13000 - 47000 | 9 | SCT | 13000 - 39000 | 12 | CLR | KSEM 180750Z AUTO 00000KT 10SM CLR 25/24 A3000 RMK AO2 | ||
| 0850Z | 3:55 AM | SCT | 13000 - 42000 | 11 | SCT | 13000 - 42000 | 19 | OVC@11000 | KSEM 180855Z AUTO 23004KT 10SM OVC110 25/24 A3000 RMK AO2 | ||
| 0950Z | 4:40 AM | SCT | SCT | 13000 - 40000 | 3 | SCT | 13000 - 44000 | 4 | FEW@5500 FEW@12000 | KSEM 180940Z AUTO 23004KT 10SM FEW055 FEW120 25/24 A3000 RMK AO2 | |
| 1050Z | 5:40 AM | SCT | 13000 - 14000 | 0 | SCT | 15000 - 41000 | 0 | FEW@5000 FEW@6000 | KSEM 181040Z AUTO 24003KT 10SM FEW050 FEW060 25/24 A3000 RMK AO2 | ||
| 1150Z | 6:50 AM | SCT | SCT | 13000 - 43000 | 2 | SCT | 13000 - 52000 | 5 | CLR | KSEM 181150Z AUTO 26004KT 9SM CLR 25/24 A3002 RMK AO2 | |
| 1250Z | 7:55 AM | SCT | 13000 - 52000 | 3 | SCT | 13000 - 45000 | 4 | CLR | KSEM 181255Z AUTO 28005KT 10SM CLR 27/24 A3003 RMK AO2 | ||
| 1350Z | 9:00 AM | SCT | 23000 - 41000 | 3 | SCT | 13000 - 38000 | 3 | CLR | KSEM 181400Z AUTO 32007KT 10SM CLR 29/25 A3004 RMK AO2 | ||
| 1450Z | 9:50 AM | SCT | 16000 - 39000 | 3 | SCT | 13000 - 33000 | 2 | CLR | KSEM 181450Z AUTO 32007KT 10SM CLR 31/26 A3004 RMK AO2 | ||