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====== MetTrailer Spring 2022 Fog Observations ======

Date is based on local time zone (CST). Min. T, Min. Visibility, Max. RH, and Min. WS is for the overnight/morning low visibility period, taken from the WXT536. Visibility is taken from the MiniOFS. Fog Occ. is if fog occurred on that day.

| **Date**   | **Min. T** | **Min. Visibility** | **Max. RH** | **Min WS** | ** Fog Occ. ** | **Notes** |
| 2022/03/18 | 0.2 C      | 6.88 km (4.27 mi)   | 97.6 %      | 0.21 m/s   | No | Fog occurred in Grand Forks and numerous spots in eastern ND and western Minnesota; nothing near Fargo|
| 2022/03/19 | -0.8 C     | 16.77 km (10.42 mi) | 93.8 %      | 1.64 m/s   | No | |
| 2022/03/20 | -0.1 C     | 10.1 km (6.28 mi)   | 100 %       | 0.10 m/s   | No | Models pushed fog during morning, only occurred within isolated spots in western Minnesota |
| 2022/03/21 | 5.10 C     | 31.5 km (19.8 mi)   | 70.4 %      | 0.38 m/s   | No | |
| 2022/03/22 | -2.3 C     | 84 m (0.05 mi)      | 100 %       | 0.12 m/s   | Yes| Fog occurred immediately following the passage of a quick clipper system between 6:20 UTC and 9:50 UTC. Once wind direction changed to NW, fog dissipated. | 
| 2022/03/23 | 0.40 C     | 28.0 km (17.4 mi)   | 94 %        | 5.06 m/s   | No | |
| 2022/03/24 | -2.3 C     | 7.0 km (4.35 mi)    | 100 %       | 0.82 m/s   | No | Surface stations in Fargo briefly reported fog/mist at 08:00 CDT this morning with visibilities lowering to 6 mi. No actual fog formed.| 
| 2022/03/25 | 0.20 C     | 17.9 km (11.1 mi)   | 78.8 %      | 4.73 m/s   | No | |
| 2022/03/26 | -9.7 C     | 34.6 km (21.5 mi)   | 70.0 %      | 4.48 m/s   | No | |
| 2022/03/27 | -13.3 C    | 35.2 km (21.9 mi)   | 77.9 %      | 1.06 m/s   | No | |
| 2022/03/28 | -7.5 C     | 27.4 km (17.0 mi)   | 77.6 %      | 0.06 m/s   | No | |
| 2022/03/29 | 0.2 C      | 32.0 km (19.9 mi)   | 56.4 %      | 1.32 m/s   | No | |
| 2022/03/30 | -0.1 C     | 342 m (0.21 mi)     | 100 %       | 0.12 m/s   | No | Visibility reductions related to precipitation and blowing snow. |
| 2022/03/31 | -5.0 C     | 32.9 km (20.4 mi)   | 91.7 %      | 4.07 m/s   | No | |
| 2022/04/01 | -5.9 C     | 10.0 km (6.23 mi)   | 97.1 %      | 0.69 m/s   | No | |
| 2022/04/02 | -1.4 C     | 29.2 km (18.1 mi)   | 100 %       | 0.33 m/s   | No | |
| 2022/04/03 | -3.6 C     | 23.1 km (14.4 mi)   | 99.3 %      | 0.13 m/s   | No | |
| 2022/04/04 | -3.6 C     | 10.9 km (6.77 mi)   | 100 %       | 0.21 m/s   | No | |
| 2022/04/05 | 3.2 C      | 2.50 km (1.55 mi)   | 92.5 %      | 1.70 m/s   | No | Visibility Reductions related to rain. Long-duration event next couple days will likely continue to reduce visibility. |
| 2022/04/06 | 0.6 C      | 2.80 km (1.74 mi)   | 100 %       | 4.02 m/s   | No | Continued rain/snow lowering visibilities |
| 2022/04/07 | NA         | NA                  | NA          | NA         | NA | Met. Trailer outage, no data|
| 2022/04/08 | -1.2 C     | 44.7 km (27.8 mi)   | 83.0 %      | 4.48 m/s   | No | |
| 2022/04/09 | -3.0 C     | 15.6 km (7.88 mi)   | 100 %       | 0.06 m/s   | No | |
| 2022/04/10 | 4.3 C      | 9.8 km (6.09 mi)    | 80.0 %      | 1.71 m/s   | No | |
| 2022/04/11 | 0.4 C      | 26.2 km (16.3 mi)   | 96.9 %      | 0.07 m/s   | No | |
| 2022/04/12 | 1.1 C      | 7.0 km (4.35 mi)    | 87.0 %      | 0.30 m/s   | No | |
| 2022/04/13 | 2.2 C      | 1.81 km (1.12 mi)   | 100 %       | 0.61 m/s   | No | Precipitation related visibility drops. |
| 2022/04/14 | -2.6 C     | 635 m (0.39 mi)     | 100 %       | 0.66 m/s   | No | Continued Colorado Low precipitation. |
| 2022/04/15 | -9.8 C     | 321 m (0.20 mi)     | 93.9 %      | 4.54 m/s   | No | Blowing snow on backside of Colorado Low. |
| 2022/04/16 | -7.5 C     | 32.6 km (20.3 mi)   | 85.1 %      | 2.38 m/s   | No | |
| 2022/04/17 | -5.3 C     | 29.5 km (18.3 mi)   | 88.0 %      | 0.23 m/s   | No | | 
| 2022/04/18 | -4.9 C     | 225 m (0.14 mi)     | 100 %       | 6.92 m/s   | No | Blowing snow/rain. |
| 2022/04/19 | -6.4 C     | 11.3 km (7.02 mi)   | 97.8 %      | 0.06 m/s   | No | |
| 2022/04/20 | 3.5 C      | 25.9 km (16.1 mi)   | 75.0 %      | 1.83 m/s   | No | |
| 2022/04/21 | 2.1 C      | 25.0 km (15.5 mi)   | 83.2 %      | 2.97 m/s   | No | |
| 2022/04/22 |            |                     |             |            |    | |

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