UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for X0935... Searching the city database file for: X0935 ... Date:0000Z 30 DEC 25 Station: X0935 WMO ident: 30935 Latitude: 50.37 Longitude: 108.75 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 312 SFC 939 771 -26.5 -30.4 70 3.9 -26.8 0 0 251.1 251.2 250.4 252.0 0.32 2 925 881 -23.3 -27.1 71 3.8 -23.7 340 1 255.5 255.6 254.4 256.7 0.45 3 904 1051 -18.3 -21.6 75 3.3 -18.8 329 2 262.3 262.4 260.5 264.4 0.75 4 891 1159 -18.1 -20.9 79 2.8 -18.6 322 3 263.6 263.7 261.6 265.9 0.81 5 850 1508 -21.5 -24.7 75 3.2 -22.0 300 5 263.6 263.7 261.2 265.3 0.61 6 819 1780 -23.7 -26.7 76 3.0 -24.1 308 10 264.1 264.2 261.5 265.6 0.53 7 798 1970 -23.7 -26.6 77 2.9 -24.1 313 14 266.1 266.2 262.9 267.6 0.54 8 700 2924 -24.9 -34.9 39 10.0 -25.9 340 33 274.9 275.0 268.5 275.8 0.28 9 655 3405 -26.7 -40.7 25 14.0 -27.8 343 36 278.2 278.2 270.4 278.7 0.17 10 643 3538 -27.5 -42.5 23 15.0 -28.6 344 37 278.7 278.7 270.7 279.2 0.14 11 500 5310 -37.3 -50.3 25 13.0 -37.9 355 50 287.6 287.6 275.5 287.8 0.08 12 477 5633 -38.9 -52.9 21 14.0 -39.4 355 51 289.5 289.5 276.5 289.7 0.06 13 400 6810 -49.5 -62.5 20 13.0 -49.7 355 56 290.7 290.7 277.0 290.7 0.02 14 346 7754 -54.8 -67.3 20 12.5 -54.9 345 60 295.8 295.8 279.5 295.8 0.01 15 301 8639 -59.9 -71.9 19 12.0 -60.0 340 56 300.6 300.6 281.6 300.6 0.01 16 300 8660 -59.9 -71.9 19 12.0 -60.0 340 56 300.9 300.9 281.7 300.9 0.01 17 299 8681 -59.9 -71.9 19 12.0 -60.0 340 56 301.2 301.2 281.8 301.2 0.01 18 272 9274 -55.3 -67.3 21 12.0 -55.5 337 53 316.1 316.1 287.5 316.2 0.02 19 250 9810 -54.9 -66.9 21 12.0 -55.1 335 50 324.4 324.5 290.1 324.5 0.02 20 200 11250 -51.3 -65.3 17 14.0 -51.7 325 48 351.5 351.5 297.0 351.7 0.03 21 186 11723 -50.9 -65.9 15 15.0 -51.3 322 49 359.6 359.6 298.7 359.7 0.03 22 150 13120 -52.9 -69.9 11 17.0 -53.3 315 50 378.9 378.9 302.1 379.0 0.02 23 100 15720 -53.7 -73.7 7 20.0 -54.3 320 33 424.0 424.0 308.2 424.1 0.02 24 70 17990 -57.5 -78.5 5 21.0 -58.0 295 36 461.4 461.4 311.9 461.4 0.01 25 62 18755 -59.5 -79.5 6 20.0 -60.0 297 38 473.2 473.2 312.9 473.3 0.01 26 50 20120 -54.3 -76.3 5 22.0 -55.4 300 42 515.5 515.5 316.0 515.7 0.02 27 42 21243 -51.3 -74.3 5 23.0 -52.9 291 38 549.3 549.3 318.1 549.6 0.04 28 38 21893 -50.7 -73.7 5 23.0 -52.6 287 35 566.8 566.8 319.0 567.1 0.05 29 35 22423 -55.1 -78.1 4 23.0 -56.4 283 33 568.8 568.8 319.1 569.0 0.03 30 31 23199 -54.1 -78.1 4 24.0 -55.8 277 30 591.6 591.6 320.2 591.8 0.03 31 30 23410 -52.1 -76.1 4 24.0 -54.2 275 29 602.6 602.6 320.7 602.9 0.04 32 27 24101 -47.3 -73.3 4 26.0 -50.7 265 30 634.5 634.6 322.1 635.1 0.07 33 25 24611 -47.5 -73.5 3 26.0 -51.1 257 31 648.1 648.1 322.6 648.7 0.07 34 23 25169 -42.7 -69.7 4 27.0 -48.1 249 32 677.8 677.9 323.7 679.0 0.14 35 20 26110 -44.9 -70.9 4 26.0 -49.9 235 33 698.7 698.8 324.4 699.9 0.13 36 18 26815 -44.5 -70.5 4 26.0 -50.0 721.4 721.4 325.1 722.8 0.16 37 16 27619 -35.9 -63.9 4 28.0 -45.6 774.2 774.4 326.7 778.4 0.44 38 14 28540 -39.1 -67.1 4 28.0 -47.9 793.4 793.6 327.1 796.7 0.33 TRP 301 8639 -59.9 -71.9 19 12.0 -60.0 340 56 300.6 300.6 281.6 300.6 0.01 WND 346 7754 -54.8 -67.3 20 12.5 -54.9 345 60 295.8 295.8 279.5 295.8 0.01 Sounding variables and indices 1000-500 mb thick: 4998.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 45.06 % Est. max temperature: -11.08 C = 12.06 F Sfc-Lift cond lev (LCL): 879.47 mb = 1255.29 m = 4118.37 ft T: -19.04 C 700-500 lapse rate: 5.20 C/km ThetaE index: 0.53 C Layer 850.0- 819.0 mb Conv cond level (CCL): 939.00 mb = 770.83 m = 2528.93 ft Mean mixing ratio: 0.64 g/kg Conv temperature: -23.01 C = -9.41 F Cap Strength: 14.26 C Lifted Index: 20.22 C Risk: None Lifted Index @300 mb: 26.86 C Lifted Index @700 mb: 11.41 C Showalter Index: 18.34 C Risk: None Total Totals Index: 28.40 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 12.60 C K Index: -18.90 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 4.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.57 J/kg Max Up Vert Vel: 9.86 m/s Conv Inhibition (B-): 71581.72 J/kg Cap Strength: 20.00 C Lift Cond Lev (LCL): 845.53 mb = 1546.61 m = 5074.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 19 at 26 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 939 771 0 0 -0.0 -0.0 | 199 26 8.6 24.5 1 925 881 340 1 0.3 -0.9 | 201 25 9.0 23.6 2 850 1508 300 5 4.3 -2.5 | 210 26 12.9 22.0 3 700 2924 340 33 11.3 -31.0 | 288 21 19.9 -6.5 4 500 5310 355 50 4.4 -49.8 | 333 28 13.0 -25.3 5 400 6810 355 56 4.9 -55.8 | 337 34 13.5 -31.2 6 346 7754 345 60 15.5 -58.0 | 324 41 24.1 -33.4 7 301 8639 340 56 19.2 -52.6 | 315 39 27.8 -28.1 8 300 8660 340 56 19.2 -52.6 | 315 39 27.8 -28.1 9 250 9810 335 50 21.1 -45.3 | 305 36 29.7 -20.8 10 200 11250 325 48 27.5 -39.3 | 292 39 36.2 -14.8 11 150 13120 315 50 35.4 -35.4 | 284 45 44.0 -10.8 12 100 15720 320 33 21.2 -25.3 | 271 30 29.8 -0.7 13 70 17990 295 36 32.6 -15.2 | 257 42 41.2 9.3 14 50 20120 300 42 36.4 -21.0 | 265 45 45.0 3.5 15 30 23410 275 29 28.9 -2.5 | 240 43 37.5 22.0 16 20 26110 235 33 27.0 18.9 | 219 56 35.7 43.5 Wind Parameters Mean winds (0-6000m): 349.3 at 34.7 knts Storm direction: 19.3 at 26.0 knts Shear (0-3000m) pos: 5.4 neg: 1.7 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 106.2 deg Storm rel helicity (0-3000m) pos: 258.9 neg: 0.0 tot: 258.9 m^2/s^2 ave: 86.3 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 7.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.34 Bulk Shear: 144.62 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 322 2 203 25| 0.0 3.6 3.6| 21.0 0.0 21.0 42.0 0.86| 3.8 3.3 1000 306 4 208 25| 0.0 5.2 5.2| 66.8 0.0 66.8 66.8 0.93| 5.5 5.2 1500 316 8 216 24| 3.6 3.5 7.1|132.4 0.0 132.4 88.3 0.96| 7.3 7.0 2000 329 12 226 21| 5.5 2.6 8.2|199.2 0.0 199.2 99.6 0.97| 8.5 8.2 2500 335 16 237 18| 5.7 2.1 7.8|235.9 0.0 235.9 94.4 0.97| 8.2 7.9 3000 338 19 248 17| 5.4 1.7 7.2|258.9 0.0 258.9 86.3 0.97| 7.5 7.3 4000 343 25 269 16| 5.1 1.3 6.4|309.2 0.0 309.2 77.3 0.96| 6.7 6.5 5000 347 30 289 16| 4.7 1.0 5.7|344.7 0.0 344.7 68.9 0.94| 6.1 5.7 6000 349 35 302 18| 3.9 1.1 5.0|356.0 0.0 356.0 59.3 0.90| 5.4 4.8 Wrote GIF file: /home/apache/climate/data/raob//X0935/skewt/X0935.skewt.20251230.00.gif