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From: Jesse Ferrell (WeatherMatrix) (jesse{at}weathermatrix.com)
Date: Mon Feb 02 2004 - 18:57:45 EST
I have uploaded graphs and text data from these stations:
http://www.weathermatrix.net/2004/0130/
I also talked to Don who was quoted in the article. He said that the
article misquoted him and he in fact was referring to a 23 (not 49) degree
temperature drop on Tuesday (not Thursday) at the East Glacier D.O.T.
station (not Browning).
At 02:35 PM 1/31/2004, Jesse Ferrell (WeatherMatrix) wrote:
>At 02:22 PM 1/31/2004, you wrote:
> >NOTES:
> >
> >A nearby Agri station shows a rise in temperature from -5 to 35 in a matter
> >of minutes on FThursday afternoon. The wind gust increased from 20
> >(sustained at 5) to 43mph at the time as well, with nearly a 180 degree
> >change on wind direction. The "fall" you see in the graph a few hours
> >later was the station stopping transmitting for about 15 hours (the line is
> >linear).
> >
> >TIME TEMP DEWP HUM GUST DIR
> >13:00 3.3 -1.8 79 22 E
> >13:15 10.1 9.4 97 20 WNW
> >13:30 34.7 28.3 77 43 WSW
> >
> >Graph of time in question:
> ><http://www.met.utah.edu/cgi-bin/droman/time_mesowest.cgi?stn=BFAM&unit=&
> time=&hour1=&day1=&month1=&year1=&hours=48&past>
> >
> >Station Page for BFAM:
> ><http://www.met.utah.edu/cgi-bin/droman/meso_base.cgi?stn=BFAM>
> >
> >I'm not sure why the NWS would be "Skeptical" (see media article below)
> >because their own station at Cut Bank, MT showed a 30 degree temperature
> >rise during two hours at nearly the same time Friday, then a drop of 20
> >degrees in 5 minutes and a .16" fall in pressure Friday night. Maybe they
> >meant they were skeptical about the amount (a nearly-50 degree fall
> claimed).
> >
> >TIME TEMP DEWP HUM SPD GUST DIR PRES
> >
> >12:55 1.4 -2.2 84 7 E 29.50
> >13:55 17.6 12.2 79 7 29.44
> >14:55 33.8 23.0 64 30 33 W 29.41
> >
> >20:55 26.6 19.4 74 17 NNW 29.60
> >21:00 6.8 1.4 78 20 29 N 29.44
> >
> >Graph of time in question:
> ><http://www.met.utah.edu/cgi-bin/droman/time_mesowest.cgi?stn=CTB&unit=&t
> ime=&hour1=&day1=&month1=&year1=&hours=48&past>
> >
> >Station Page for KCTB:
> ><http://www.met.utah.edu/cgi-bin/droman/meso_base.cgi?stn=CTB>
> >
> >The NWS out of Great Falls issued some Local Storm Reports for high wind
> >gusts during this event but did not mention temperature swings (the event
> >was an Outflow Boundary according to them)
> >http://www.weathermatrix.net/archive/lsr/0487.html
> >
> >QUOTES FROM MEDIA ARTICLE:
> >http://www.greatfallstribune.com/news/stories/20040131/localnews/325859.html
> >
> >"In addition to harsh weather conditions this week, the region also has
> >experienced some rare wintertime climate phenomena.
> >
> >The areas of Showdown and White Sulphur Springs, south of Great Falls, and
> >Great Divide near Marysville all saw thunderstorms on Friday.
> >
> >Along the Rocky Mountain Front, weather watchers recorded drastic
> >temperature swings.
> >
> >Browning High School science teacher Don Keihn said he recorded a 49-degree
> >temperature swing in six minutes on Thursday.
> >
> >While weather experts in Great Falls were skeptical, they said the shift is
> >possible.
> >
> >Great Falls actually holds the world record for the greatest temperature
> >swing in the shortest length of time.
> >
> >Meteorologists at the National Weather Service office recorded a
> >temperature change from minus 32 degrees Fahrenheit to 15 degrees
> >Fahrenheit in seven minutes on Jan. 11, 1980, Williamson said."
> >
> >
> >--
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