STEP 2:
Use FOUS60 layer temps to locate 755-100mb freezing drizzle thermal profile
(temps in cloud approximately 0C to -10C). Soundings
and actual RAOBS are useful tools for this step as well.
Station: MSP
Model: ETA
Run Time: 12Z 27JAN02
| Valid | Precip Accum | Lyr1 RH | Lyr2 RH | Lyr3 RH | 700 VV | LI | SFC Prs | Bndry Lyr Wind | 1000-500 Thickness | Lry 1 Temp | Lyr 3 Temp | Lyr 5 Temp |
| 27/12Z | --- | 69% | 26% | 63% | 1.2 | 5 | 1007 | 2413 | 5530 | 3 | 9 | 6 |
| 27/18Z | 0.00 | 82% | 19% | 59% | 1.9 | 9 | 1008 | 2511 | 5530 | 0 | 10 | 6 |
| 28/00Z | 0.00 | 97% | 39% | 61% | 1.0 | 10 | 1010 | 3013 | 5490 | 0 | 3 | 4 |
| 28/06Z | 0.00 | 98% | 42% | 52% | 2.1 | 14 | 1015 | 0118 | 5430 | -3 | -4 | 0 |
| 28/12Z | 0.00 | 95% | 60% | 55% | -0.3 | 13 | 1019 | 3617 | 5380 | -7 | -5 | -1 |
| 28/18Z | 0.00 | 89% | 69% | 41% | -0.9 | 15 | 1020 | 0113 | 5350 | -9 | -7 | -1 |
| 29/00Z | 0.00 | 89% | 68% | 48% | 0.9 | 17 | 1019 | 0117 | 5320 | -9 | -9 | -4 |
| 29/06Z | 0.01 | 86% | 84% | 25% | -1.6 | 17 | 1023 | 0117 | 5260 | -13 | -12 | -9 |
| 29/12Z | 0.02 | 84% | 82% | 27% | -3.0 | 16 | 1024 | 0115 | 5230 | -16 | -13 | -11 |
| 29/18Z | 0.05 | 83% | 77% | 14% | 2.8 | 14 | 1028 | 3510 | 5190 | -15 | -15 | -13 |
| 30/00Z | 0.02 | 84% | 55% | 16% | -0.5 | 12 | 1028 | 3308 | 5170 | -14 | -14 | -13 |
Station: MSP
Model: NGM
Run Time: 12Z 27JAN02
| Valid | Precip Accum | Lyr1 RH | Lyr2 RH | Lyr3 RH | 700 VV | LI | SFC Prs | Bndry Lyr Wind | 1000-500 Thickness | Lry 1 Temp | Lyr 3 Temp | Lyr 5 Temp |
| 27/12Z | --- | 65% | 29% | 67% | -0.4 | 7 | 1008 | 22008 | 5530 | 5 | 9 | 6 |
| 27/18Z | 0.00 | 69% | 20% | 68% | 1.0 | 9 | 1007 | 2610 | 5520 | 1 | 10 | 6 |
| 28/00Z | 0.00 | 82% | 31% | 94% | 0.0 | 12 | 1012 | 3418 | 5480 | 0 | 3 | 4 |
| 28/06Z | 0.00 | 96% | 40% | 76% | 0.4 | 13 | 1017 | 0117 | 5430 | -6 | -2 | 2 |
| 28/12Z | 0.00 | 95% | 57% | 59% | -0.8 | 13 | 1021 | 0312 | 5370 | -10 | -5 | 0 |
| 28/18Z | 0.00 | 86% | 73% | 59% | 1.3 | 13 | 1022 | 0407 | 5340 | -10 | -8 | 0 |
| 29/00Z | 0.00 | 95% | 70% | 71% | 2.0 | 14 | 1018 | 0410 | 5340 | -8 | -11 | -1 |
| 29/06Z | 0.00 | 95% | 68% | 29% | -0.3 | 16 | 1020 | 0410 | 5290 | -9 | -14 | -5 |
| 29/12Z | 0.00 | 96% | 83% | 23% | 0.0 | 14 | 1020 | 0309 | 5240 | -10 | -16 | -5 |