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Impacts METAR Board
KSTL - St Louis/Lambert Int, MO, US
Updated at: 0400 UTC 22 Apr 2018
| Potential Impact | None | Slight | Moderate | High |
| Time | 21/16Z | 21/17Z | 21/18Z | 21/19Z | 21/20Z | 21/21Z | 21/22Z | 21/23Z | 22/00Z | 22/01Z | 22/02Z | 22/03Z | 22/04Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp | 59 | 61 | 62 | 65 | 66 | 65 | 65 | 65 | 63 | 62 | 60 | 60 | 59 |
| Dewpt | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 33 | 34 | 33 | 32 |
| Altim | 30.34 | 30.31 | 30.28 | 30.24 | 30.20 | 30.19 | 30.20 | 30.20 | 30.21 | 30.20 | 30.21 | 30.21 | 30.20 |
| VIS | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| CIG | 210 | 250 | 250 | 180 | 160 | 150 | 150 | 180 | 180 | 200 | 150 | 120 | 130 |
| Cover | OVC | OVC | OVC | BKN | BKN | OVC | BKN | BKN | OVC | OVC | OVC | OVC | OVC |
| FltCat | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR | VFR |
| WX | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| WDir | 110 | 90 | 80 | 80 | 90 | 90 | 80 | 100 | 80 | 90 | 70 | 80 | 60 |
| WSpd | 9 | 11 | 12 | 15 | 16 | 13 | 11 | 12 | 11 | 10 | 9 | 9 | 10 |
| WGst | -- | -- | -- | 21 | 22 | -- | -- | -- | -- | -- | -- | -- | -- |
KSTL 211551Z 11009KT 10SM SCT150 OVC210 15/M01 A3034 RMK AO2 SLP275 T01501011KSTL 211651Z 09011KT 10SM SCT180 OVC250 16/M01 A3031 RMK AO2 SLP265 T01611006KSTL 211751Z 08012KT 10SM SCT180 OVC250 17/M01 A3028 RMK AO2 SLP256 T01671006 10172 20061 58023KSTL 211851Z 08015G21KT 10SM BKN180 BKN250 18/M01 A3024 RMK AO2 SLP241 T01831006KSTL 211951Z 09016G22KT 10SM BKN160 19/M01 A3020 RMK AO2 SLP227 T01891006KSTL 212051Z 09013KT 10SM OVC150 18/M01 A3019 RMK AO2 SLP221 T01831006 56032KSTL 212151Z 08011KT 10SM BKN150 BKN250 18/M01 A3020 RMK AO2 SLP226 T01831006KSTL 212251Z 10012KT 10SM SCT130 BKN180 18/00 A3020 RMK AO2 SLP228 T01830000KSTL 212351Z 08011KT 10SM SCT130 OVC180 17/00 A3021 RMK AO2 SLP229 VIRGA S T01720000 10194 20167 51006KSTL 220051Z 09010KT 10SM SCT140 OVC200 17/01 A3020 RMK AO2 SLP225 T01670006KSTL 220151Z 07009KT 10SM OVC150 16/01 A3021 RMK AO2 PRESRR SLP230 T01560011KSTL 220251Z 08009KT 10SM OVC120 16/01 A3021 RMK AO2 SLP229 T01560006 53002KSTL 220351Z 06010KT 10SM OVC130 15/00 A3020 RMK AO2 SLP224 T01500000