McIDAS-X Learning Guide
Version 2020

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Graphics and the Cursor - Locating Specific Positions Using the Cursor

1. Display a recent GOES-16 visible image on frame 2 centered over Bangor, Maine. Add a high resolution map.

   Type:    IMGDISP G16FD.-1 2 BAND=13 STA=KBGR MAG=-2 SF=Y;MAP H

2. List all of the METAR stations in West Virginia.

   Type:    STNLIST ST=WV TYPE=M

   The METAR stations in West Virginia are listed, including their station number, station ID, data types, state and country, earth coordinates, and elevation, as shown below.

   STNLIST ST=WV TYPE=M IDN ID Station Name Data Types ST CO LAT LON ELE ----- ----- -------------------- ----------------- -- -- ---------- ---------- ---- --- K3I2 Point Pleasant M EG WV US 38:54:52 82:05:54 196 --- K48I Sutton M EG WV US 38:41:13 80:39:06 387 --- K6L4 LOGAN M WV US 37:51:00 81:55:00 508 72412 KBKW RALEIGH COUNTY MEM A M 36 T EG WV US 37:48:00 81:07:00 763 --- KBLF BLUEFIELD MERCER COU M T EG WV US 37:18:00 81:12:00 871 --- KCKB HARRISON/MARION RGNL M T EG WV US 39:18:00 80:13:00 367 72414 KCRW YEAGER AIRPORT M 36 T EG WV US 38:22:00 81:36:00 299 72417 KEKN JENNINGS RANDOLPH FI M 36 T EG WV US 38:53:00 79:51:00 606 --- KHLG WHEELING OHIO COUNTY M T EG WV US 40:10:00 80:39:00 364 72425 KHTS TRI-STATE AIRPORT M 36 T EG WV US 38:22:00 82:33:00 252 --- KI16 Pineville M EG WV US 37:36:01 81:33:33 544 --- KLWB Lewisburg / Greenbri M T EG WV US 37:52:00 80:24:00 702 --- KMGW MORGANTOWN MUNI-HART M T EG WV US 39:39:00 79:55:00 380 --- KMRB MARTINSBURG EASTERN M T EG WV US 39:24:00 77:59:00 170 --- KPKB MID-OHIO VALLEY RGNL M T EG WV US 39:20:00 81:27:00 262 72427 KPKB PARKERSBURG M 36 T EG WV US 39:21:00 81:25:00 262 --- KRLX Charleston M WV US 38:19:00 81:43:00 364 --- KSSU White Sulphur Sprng M WV US 37:46:00 80:20:00 549 --- KW22 Buckhannon M EG WV US 39:00:00 80:16:00 498 --- KW99 Petersburg M EG WV US 38:59:00 79:08:00 293 Number of stations listed: 20 STNLIST: Done

3. List the stations in West Virginia that include MORGANTOWN in their name.

   Type:    STNLIST ST=WV MATCH=MORGANTOWN

   STNLIST ST=WV MATCH=MORGANTOWN IDN ID Station Name Data Types ST CO LAT LON ELE ----- ----- -------------------- ----------------- -- -- ---------- ---------- ---- --- BBO MORGANTOWN V WV US 39:41:00 79:56:00 0 --- KMGW MORGANTOWN MUNI-HART M T EG WV US 39:39:00 79:55:00 380 --- MGW MORGANTOWN MUNI-HART V F WV US 39:39:00 79:55:00 380 Number of stations listed: 3 STNLIST: Done

4. Position the cursor over Morgantown.

   Type:    PC L KMGW

   The PC command places the cursor over the designated location (L indicates location) on the displayed frame.

5. Display the coordinates at the cursor position.

   Press:   Alt E

   Notice that the latitude and longitude are the same or very close to those listed in the STNLIST output.

   Frame Latitude Longitude Tvline Tvelem Line Elem 2 39:39:43 079:56:18 329 104 3117 10041

6. List the towns closest to Morgantown and then press Alt-Q to quit the TOWNS command.

   Type:    PC L KMGW;TOWNS
   Press:   Alt G
   Press:   Alt Q

7. If you would like to enter the current lat/lon position of your cursor onto the command, you can press the Ctrl button on your keyboard and the left mouse button simultaneously. Enter a lat/lon pair into an IMGPROBE command using this method.

   Type:    IMGPROBE MODE=N LATLON= - but don't press Enter!
   Press:   Ctrl LeftMouseButton
   Press:   Enter

   This should give you the image information for your current cursor location.

8. Find the country code for Canada, as you will need it for the CO keyword in step 9.

   Type:    CCODE CANADA

9. Find the station code for Montreal.

   Type:    STNLIST CO=CA MATCH=MONTREAL

   The text window lists the stations that include Montreal in their name, as shown below. Use the 4-letter station code for Montreal/Mirabel.

   STNLIST CO=CA MATCH=MONTREAL IDN ID Station Name Data Types ST CO LAT LON ELE ----- ----- -------------------- ----------------- -- -- ---------- ---------- ---- --- CWGJ Montreal River Radar M CA 47:14:00 84:31:00 559 --- CZGJ MONTREAL RIV M ON CA 47:15:00 84:36:00 520 71675 CWPQ Montreal-Est M 36 QB CA 45:38:00 70:33:00 51 --- CYMX Montreal / Mirabel M T QB CA 45:41:00 74:02:00 82 71627 CYUL Montreal / Pierre El M 36 T QB CA 45:28:00 73:45:00 31 --- IDO MONTREAL V QB CA 45:28:00 73:45:00 0 --- UTM ST MATHIAS/MONTREAL V QB CA 45:20:00 73:16:00 0 --- WAO MONTREAL V QB CA 45:28:00 73:45:00 0 --- YMX MONTREAL V QB CA 45:50:00 74:23:00 82 --- YUL MONTREAL P.Q. V QB CA 45:31:00 73:58:00 36 71183 CWTQ MONTREAL/DORVAL M 36 QC CA 45:28:00 73:45:00 32 71626 CYMX MONTREAL/MIRABEL M 36 T QC CA 45:40:00 74:01:00 82 --- WPQ MONTREAL EST V QC CA 45:38:00 73:30:00 6 Number of stations listed: 13 STNLIST: Done

10. Position the cursor at Montreal.

    Type:    PC L CYMX

11. Display the coordinates at the cursor position.

    Press:   Alt E

12. List the METAR, Synoptic and RAOB stations that are closest to Montreal.

    Type:    PC L CYMX
    Press:   Alt S

13. Plot all of the RAOB stations that are within the navigation of your image frame.

    Type:    STNPLOT TYPE=R

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