FLAT90: Logbook Entries

FLAT90: WEATHER Messages: 14 Entries..

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Entry Date Title Site Author #Graphics
85 Fri 21-Sep-1990Light rain started about 15 minutes ago nonespo
124 Tue 25-Sep-1990good winds noneclm
265 Sun 07-Oct-1990It began snowing last night about 9 pm nonetwh
293 Thu 11-Oct-1990Snowing nonespo
294 Thu 11-Oct-1990snowing heavily noneclm
296 Thu 11-Oct-1990Ground cover - no snow now. nonespo
298 Fri 12-Oct-1990Foggy this morning nonespo
345 Wed 17-Oct-1990Cold front went thru last evening at 6- nonejmw
383 Fri 19-Oct-1990It's been raining since about 19:45 nonetwh
386 Sat 20-Oct-1990It has stopped raining now. nonetwh
402 Sun 21-Oct-1990The skies cleared off before sunset las nonetwh
508 Wed 31-Oct-1990Good unstable conditions today. Winds h nonejmw
533 Sat 03-Nov-1990Sleet and freezing rain fell thru most nonejmw
648 Wed 10-Dec-1997dust devil?spo


85: WEATHER , Site none, Fri 21-Sep-1990 04:56:33 GMT, Light rain started about 15 minutes ago
Light rain started about 15 minutes ago. 
 
124: WEATHER , Site none, Tue 25-Sep-1990 14:50:14 GMT, good winds
nice quiet night. Good wind direction and speeds this morning. 
 
265: WEATHER , Site none, Sun 07-Oct-1990 15:38:06 GMT, It began snowing last night about 9 pm
It began snowing last night about 9 pm MDT 
in Cheyenne.  Total snow cover is now about  
10 cm. 
 
 
293: WEATHER , Site none, Thu 11-Oct-1990 17:34:07 GMT, Snowing
Snowing 
 
A wet snow has just begun 
(there had been light drizzle about 10:00) 
 
294: WEATHER , Site none, Thu 11-Oct-1990 17:43:14 GMT, snowing heavily
snowing heavily 
 
296: WEATHER , Site none, Thu 11-Oct-1990 23:19:32 GMT, Ground cover - no snow now.
Ground cover - no snow now. 
 
On Tuesday, there were only small patches of snow which mostly melted off during the day. 
On Wednesday, the ground started as mostly wet, but had dried considerably by the 
end of the mostly sunny day. 
Today (Thursday) the ground was moistened by new snow falling in the morning (but never 
stuck), and is continuing to dry in the late day. 
 
 
298: WEATHER , Site none, Fri 12-Oct-1990 14:35:24 GMT, Foggy this morning
Foggy this morning 
 
It was foggy all the way from Cheyenne this morning. 
Ground has some frost on it (especially on ridge tops). 
 
Clearing at 15:32 
 
 
 
345: WEATHER , Site none, Wed 17-Oct-1990 15:27:01 GMT, Cold front went thru last evening at 6-
Cold front went thru last evening at 6-6:30 MDT. 
Strong winds developed over next hour or so, with 
gusts in Cheeeyenne over 60 mph. Skies were clear 
from sunset to 10 pm. Snow in Cheyenne did not 
start until after 5 am. At 7am (MDT) had about 
2-3 inches at the motel. Out here seems like 
only 1-2 inches fell. By 9 am skies are clear 
except for some clouds on horizon. Snow is 
rapidly melting aaway. 
 
383: WEATHER , Site none, Fri 19-Oct-1990 21:56:32 GMT, It's been raining since about 19:45
It's been raining since about 19:45 
 
 
386: WEATHER , Site none, Sat 20-Oct-1990 01:33:27 GMT, It has stopped raining now.
It has stopped raining now. 
 
 
402: WEATHER , Site none, Sun 21-Oct-1990 15:31:35 GMT, The skies cleared off before sunset las
The skies cleared off before sunset last 
night and were clear for much of the night. 
 
 
508: WEATHER , Site none, Wed 31-Oct-1990 19:12:41 GMT, Good unstable conditions today. Winds h
Good unstable conditions today. Winds have been 3-6 m/s 
from sw, with mostly clear skies; only a few patches of 
mid to high cirrus. 
 
533: WEATHER , Site none, Sat 03-Nov-1990 17:47:49 GMT, Sleet and freezing rain fell thru most
Sleet and freezing rain fell thru most of day on 2 Nov. 
 
Snow began to fall 2 Nov at 4pm MST. Seemed to have 
flurried thru the night, accumulating only about 2 
inches.  
 
648: WEATHER , Site , Wed 10-Dec-1997 19:02:58 GMT, dust devil?
It looks like I might have found a dust devil in the FLAT time series.
Look at 19:27:40-19:27:55 on Nov 13 (jd 317).  u changes from -1 to +5 m/s,
v changes from 3 to 8 m/s, and w changes from +1 to -1.5 m/s, with a clear
downdraft core.