| IOP | DATE/TIME | OBJECTIVE | GENERAL REMARKS | A/C REMARKS | SOUNDING REMARKS | ISS | CANADA CLASS | PSU COS | WISC LIDAR | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 1 | Start: 0600 UTC 12/4 Stop: 2100 UTC 12/6 |
LE Bands over Lake Michigan Aggregate enhanced synoptic trough |
Complex synoptic situation with embedded features of interest. | Two lake effect flights (Electra:rf01,rf02; UW:1,2) each on 12/5 and 12/6 (Wind Parallel Structure). | Special soundings taken during entire period. Coverage and frequency variable. | 0600 UTC 12/4 2100 UTC 12/6 |
0600 UTC 12/4 2100 UTC 12/6 |
*12/5-6 | *12/5 only | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2 | Start: 1200 UTC 12/9 Stop: 0600 UTC 12/11 |
Bent-back frontal structure accompanying cyclone in Ohio Valley. |
First SNOWBAND mission. | Electra (Flight:rf03) flown N-S from Lansing to Shelbyville Il. Landed at Green Bay due to weather. |
No soundings taken. | No CLASS launches. |
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| 3 | Start: 1800 UTC 12/13 Stop: 1800 UTC 12/14 |
Document cold air outbreak in Canada. |
Canadian CLASS are only facilities operating for this IOP. | No Operations. |
3-hourly sounding frequency. |
No CLASS launches. |
Northern sites 1800/13 - 1800/14 Southern sites 0000/14 - 1800/14 |
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| 4 | Start: 0000 UTC 12/20 Stop: 0300 UTC 12/21 |
Light/Moderate Lake effect. | Little/no precip or mesoscale forcing. | Both aircraft flew (Electra:rf05; UW:3)over northern Lake Michigan. |
3-hourly sounding frequency. |
0600 UTC 12/20 0300 UTC 12/21 |
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Operational | Operational | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 5 | Start: 0900 UTC 01/08 Stop: 2100 UTC 01/08 |
Bent-back frontal structure accompanying cyclone in Indiana and Michigan | Good SNOWBAND case. | Electra flown (Flight:rf06) N/S from Fort Wayne, In to Green Bay, Wi. |
ISS Hi-resolution soundings taken |
0900 UTC 01/08 2100 UTC 01/08 90 minute intervals |
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| 6a | Start: 0600 UTC 01/10 Stop: 0000 UTC 01/13 |
Strong Lake-Effect & Lake Aggregate Event. | Excellent Lake-ICE flights. Moderate Lake Aggregate event. Rapid Scan satellite on 1/10 and 1/11. Super Rapid Scan on 1/10 | Both aircraft flew (Electra:rf07; UW:4) over northern Lake Michigan on 1/10. King Air flew (Flight:5) solo on 1/11. |
ISS Hi-resolution soundings taken both 1/10-11. CLASS observations taken throughout period. |
90 min res 1200 - 2100 UTC 1/10, 3 hrly 1200 - 1800 UTC 1/11. |
3 hrly 1200 UTC 1/10 - 0000 UTC 1/13 |
1500 UTC 1/10 - 2048 1/12 | 1237 - 1847 UTC 1/10, 1151 - 1623 UTC 1/11 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 6b | Start: 0000 UTC 01/13 Stop: 1200 UTC 01/15 |
Moderate Lake-Effect & Lake Aggregate Event. | Moderate Lake-Effect event on 1/13. Moderate Lake Aggregate event continues. Rapid Scan satellite on 1/13 and 1/14. Super Rapid Scan on 1/13 | Both aircraft flew (Electra:rf08; UW:6) over central Lake Michigan on 1/13. |
ISS Hi-resolution (90 min) soundings taken on 1/13. Sheboygen and Montague 6 hrly on 1/14-15. CLASS observations taken 3hrly throughout period. |
90 min res 1200 - 2100 UTC 1/13, 6 hrly 0000 1/14 - 1200 UTC 1/15, 2 sites. |
3 hrly 0000 UTC 1/13 - 1200 UTC 1/15 |
1128 UTC 1/13 - 1248 1/14 | 1247 - 1847 UTC 1/10 (intermittent) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 7 | Start: 0000 UTC 01/18 Stop: 1800 UTC 01/18 |
SAR Overpass flight and weak Lake-Effect bands | Thorough collection of data for SAR overpass. Lake-Effect was weak and complicated by synoptic scale forcing. | Both aircraft flew (Electra:rf09; UW:7) over central Lake Michigan on 1/18. |
ISS Hi-resolution (90 min) soundings taken. |
90 min res 0600 - 1800 UTC |
--- | 0404 UTC - 1624 UTC | 1049 - 1810 UTC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 8a | Start: 1200 UTC 01/19 Stop: 1200 UTC 01/20 |
Lenschow circles, weak Lake-Effect bands | Entrainment circles flown along with good comparison data gathered for ELDORA and PSU radar. King Air flew LE bands near Green Bay, WI. Weak lake aggregate event. | Both aircraft flew (Electra:rf10; UW:8) over Lake Michigan on 1/19. |
ISS Hi-resolution (90 min) soundings taken. |
90 min res 1200 - 2100 UTC |
3 hrly res 1200 1/19 - 1200 1/20 | 1245 UTC 1/19 - 0053 UTC 1/20 | 1224 UTC - 1906 UTC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 8b | Start: 1200 UTC 01/20 Stop: 2100 UTC 01/20 |
Multiple and/or Shore parallel bands in weak Lake-Effect event. | Electra flew a shore-parallel band around Muskegon, while the King-Air flew multiple N-S oriented bands farther north over Lake Michigan. | Both aircraft flew (Electra:rf11; UW:9) over central Lake Michigan on 1/20. |
ISS Hi-resolution (90 min) soundings taken. |
90 min res 1200 - 2100 UTC |
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| 9 | Start: 1200 UTC 01/21 Stop: 0000 UTC 01/22 |
Snowbands associated with weak approaching cyclone. | Electra flew across Wisconsin and Lake Michigan and obtained good data on a snowband moving across Lake Michigan. Rapid Scan imagery obtained 0900 - 2100 UTC. | Electra Flight:rf12. Good dropsonde data. |
ISS Hi-resolution (90 min) soundings taken. |
90 min res 1200 - 0000 UTC |
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