Wind switches from SSW 47 knots to N 45 knots as strong cold front passes through Milford in southwest UT today: 29 KMLF SA 1452 0>120 10 998.0 45 19 200 25 32 29.54 8 19 0 0 AO2 TSNO PK WND 20032/1442 29 KMLF SA 1552 0>120 10 996.7 51 18 200 33 41 41 29.52 0 AO2 TSNO PK WND 21041/1551 29 KMLF SA 1652 0>120 10 995.7 56 19 210 34 44 49 29.50 0 AO2 TSNO PK WND 21049/1608 29 KMLF SA 1752 0>120 8 994.9 60 20 210 38 46 47 29.49 6 15 0 0 61 40 AO2 TSNO PK WND 21047/1738 29 KMLF SA 1852 8 9 1 H 1000.3 42 23 20 31 45 45 29.60 0 AO2 WSHFT 1823 TSNO PK WND 2045/1847 29 KMLF SA 1952 6 9 2 H 1000.6 43 22 40 29 37 43 29.60 0 AO2 TSNO PK WND 4043/1856 Here is 10-min data from the Dog Valley UT RWIS site (38.63636,-112.60913) along I-15 which shows just how abrupt the cold frontal passage was near Milford UT: 29 UTDOG ut 1630 51 18 157 29 40 RH=27 29 UTDOG ut 1640 51 17 158 34 45 RH=25 29 UTDOG ut 1650 51 16 159 31 41 RH=24 29 UTDOG ut 1700 51 18 158 34 40 RH=27 29 UTDOG ut 1710 51 18 155 28 40 RH=26 29 UTDOG ut 1720 51 17 160 31 36 RH=26 29 UTDOG ut 1730 52 18 160 29 41 RH=26 29 UTDOG ut 1740 52 20 157 23 38 RH=27 29 UTDOG ut 1750 53 19 156 20 38 RH=26 29 UTDOG ut 1800 36 24 337 23 29 RH=61 29 UTDOG ut 1810 34 23 357 39 48 RH=64 29 UTDOG ut 1820 33 22 350 33 44 RH=64 29 UTDOG ut 1830 32 21 346 29 40 RH=65