Metr 201
Synoptic Metr Quiz #4
100 pts. (35 minutes)
1. Use of Lab. Print out the following from the lab
(using the a lab window on the dock.
You are expected to know or to be able to find the script that you will
type and execute to print these).
For each item below, write out the script you used, and then print the chart. Attach the printed chart to the test
when you turn it in. (12 points each for 36 points total)
(a)
500 mb analysis (for time and date 05030212): fax ua_500 05030212 -p
(b)
300 mb analysis (for time and date 05030212): fax ua_300 05030212 -p
(c)
Latest plot of surface weather information with isobars for the United States
(for
time and date 05030212): sfcplot 05030212 -p
2. Mid
and Upper tropospheric Analyses.
300 and 500 mb Charts (Total of 32 points)
(a) Draw
one trough axis (red dashed) and one ridge axis (blue jagged) on the chart. (7
pts)
(b) Indicate
the "polar" jet stream(s) with
long black arrow(s). (7 pt)
(c) (300
mb chart only) With regard to the portion of the on the West coast indicate ONE
area of upper tropospheric divergence (green "D") on the 300 mb chart (6 pts)
(d) (300 mb chart only) With regard to the same portion of the
pattern as in (c), indicate an area where you expect a surface low pressure
area to be located (red "L").(6
pt)
(e) (500 mb chart only)
With regard to the same portion of the pattern as in (c), indicate an area
where you expect midtropospheric upward motion to be occurring (black
"U"). (6 pts)
Locate
Caribou, Maine (extreme northern tip of Maine) and Midland, Texas (west Texas,
near the southeastern tip of New Mexico).
Now provide the following DECODED information. Be sure to include units.
(4 points each for a total of 32 points)
|
Caribou, Maine |
12 UTC 2 March 2005 |
|
Temperature |
19oF |
|
Dew Point Temperature |
17 oF |
|
Pressure |
985.9 mb |
|
Present Weather |
Light continuous snow |
|
Midland, Texas |
12 UTC 2 March 2005 |
|
Relative Humidity |
100% |
|
Wind Direction |
SSE |
|
Pressure |
1012.2 mb |
|
Present Weather |
Moderate fog |