2008-04-01: YMW upper air data from Kevin Ford's server at Texas A&M. Forecast max temp from AVN MOS for Whitefield NH from nws.noaa.gov. === Interpolations from YMW data - temps:deg. F, altitudes:feet MSL === MSL *TI* Wdir@kts trig VirT 1.7 degrees/division ("`": Dry Adiabatic) ----- ---- -------- ---- . ---- ----------------------------------------- 15000 17.0 92 | 14.0 ` : 14500 16.3 91 | 15.5 ` : 14000 15.7 225 75 90 | 17.0 ` : 13500 15.0 89 | 18.5 ` : 13000 14.4 88 | 20.1 ` : 12500 13.7 87 | 21.6 ` : 12000 13.1 220 74 85 | 23.1 ` : 11500 12.4 84 | 24.6 ` : 11000 11.8 83 | 26.1 ` : 10500 11.2 82 | 27.6 ` : 10000 10.5 220 79 81 | 29.1 ` : 9500 9.9 80 | 30.6 ` : 9000 9.2 225 69 79 | 32.1 ` : 8500 8.1 77 | 32.9 ` : 8000 7.5 225 65 75 | 34.3 ` : 7500 6.8 74 | 35.8 ` : 7000 6.1 220 57 73 | 37.2 ` : 6500 5.4 72 | 38.7 ` : 6000 4.7 225 51 70 | 40.1 ` : 5500 4.3 70 | 42.0 ` : 5000 4.0 69 | 44.1 ` : 4500 3.4 68 | 45.7 (CB: 4800) ` : 4000 2.7 225 58 67 | 47.1 ` : 3500 1.8 65 | 48.2 ` : 3000 0.9 220 59 64 | 49.2 : 2500 -0.7 62 | 49.1 (High: 62) :` 2000 -3.7 185 47 56 | 46.3 : ` 1500 -6.4 195 49 51 | 44.0 : ` 1000 -8.5 165 23 48 | 42.9 : ` 500 -10.6 44 | 41.8 : ` === NWS Regional Summary - 554 AM EDT TUE APR 1 2008 === A large area of low pressure was moving through the Great Lakes early this morning, bringing lots of warm moist air to New England. There was lots of fog and drizzle around the region, with some light snow over the northern tip of Maine. Pre-dawn temperatures were mainly in the lower 30s, with a few 40° readings over downeast coastal Maine. Over far southern New Hampshire it was around 50°. It will remain mild through much of the day with areas of rain and drizzle. Temperatures throughout the region will warm to the mid 40s to mid 50s. It could be even warmer if the sun manages to break through. A cold front will bring showers and maybe some thunderstorms as it crosses the region this evening. The air will dry out and skies will clear over southern portions after midnight. Clouds will linger with scattered snow showers in the north and mountains. Remaining clouds and snow showers will gradually lift northward on Wednesday, but the sunshine will have to work against a stiff westerly wind. Winds will abate on Thursday as high pressure slips by to our south. Clouds will return Thursday night as another storm approaches from the mid west. The north and mountains will mainly get snow on Friday from this system while southern areas again contend with a mix that will change to rain. The storm will move along the Maine coast Friday night but clearing will be slow. Another wave of low pressure is expected to follow offshore, which will keep snow showers going in northern areas and a wintry mix in the south. The sun should return during Sunday as high pressure builds in from the west. === The weather observed at WHITEFIELD, NH at 07:52 AM EST was: === The weather reported was fog. The skies were cloudy. The prevailing visibility was 6 miles. Temperature: 36F ( 2C) Dewpoint: 34F ( 1C) Relative Humidity: 93% There was no wind. Pressure: 1012.0 millibars. Altimeter:29.85 inches of mercury. === The weather observed at MOUNT WASHINGTON, NH at 05:53 AM EST was: === The weather reported was light rain and fog. The skies were unobserved. The prevailing visibility was 0 miles. Temperature: 37F ( 3C) Dewpoint: 37F ( 3C) Relative Humidity: 100% Winds from the SW (240 degs) at 67 mph. === MPV Terminal Aerodrome Forecast issued 1-Apr-2008 07:40 EDT === 8am: 16007kt P6sm Ovc030; Tempo 8-10am: 6sm Shra Sct007 Ovc015 10am: 18012g22kt P6sm -shra Sct010 Bkn025 3pm: 19018g35kt P6sm Bkn030 5pm: 20020g35kt P6sm -shra Sct015 Bkn035cb 9pm: 25022g40kt P6sm Bkn040 5am: 28024g34kt P6sm Skc