UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for X0635... Searching the city database file for: X0635 ... Date:1200Z 29 DEC 25 Station: X0635 WMO ident: 30635 Latitude: 54.42 Longitude: 109.02 ------------------------------------------------------------------------------- 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 246 SFC 972 456 -19.3 -21.8 81 2.5 -19.7 0 0 255.9 256.0 255.3 257.8 0.69 2 942 689 -14.7 -16.5 86 1.8 -15.0 351 8 262.9 263.1 261.7 266.0 1.12 3 925 826 -15.5 -18.7 76 3.2 -16.1 345 13 263.5 263.6 261.8 266.1 0.94 4 860 1375 -20.1 -27.1 54 7.0 -21.0 336 15 264.2 264.3 261.5 265.6 0.48 5 850 1462 -20.9 -27.9 53 7.0 -21.8 335 15 264.3 264.3 261.4 265.6 0.45 6 717 2692 -31.3 -36.3 61 5.0 -31.7 348 22 266.0 266.0 262.3 266.7 0.24 7 700 2861 -32.1 -37.1 61 5.0 -32.4 350 23 266.9 267.0 262.9 267.6 0.23 8 615 3774 -33.5 -40.5 49 7.0 -33.9 350 33 275.4 275.4 268.7 276.0 0.18 9 500 5200 -43.3 -52.3 36 9.0 -43.6 350 50 280.2 280.3 271.4 280.5 0.06 10 495 5267 -43.7 -52.7 36 9.0 -44.0 350 51 280.6 280.6 271.6 280.8 0.06 11 448 5930 -46.3 -55.3 35 9.0 -46.5 348 57 285.4 285.4 274.3 285.6 0.05 12 400 6670 -51.3 -61.3 29 10.0 -51.5 345 64 288.3 288.3 275.8 288.4 0.02 13 374 7104 -53.9 -63.9 28 10.0 -54.0 343 65 290.5 290.5 276.9 290.5 0.02 14 348 7565 -55.3 -65.3 28 10.0 -55.4 340 66 294.6 294.6 278.9 294.7 0.02 15 336 7788 -55.4 -65.6 27 10.2 -55.5 340 68 297.5 297.5 280.3 297.5 0.02 16 300 8510 -55.7 -66.7 24 11.0 -55.8 340 58 306.8 306.8 284.1 306.9 0.02 17 295 8618 -56.1 -67.1 24 11.0 -56.2 340 57 307.7 307.7 284.5 307.8 0.02 18 250 9680 -55.7 -66.7 24 11.0 -55.9 340 48 323.3 323.3 289.8 323.3 0.02 19 211 10766 -53.1 -65.1 22 12.0 -53.4 325 46 343.4 343.4 295.1 343.5 0.03 20 200 11110 -53.7 -66.7 19 13.0 -53.9 320 46 347.7 347.7 296.1 347.8 0.02 21 150 12950 -54.9 -69.9 14 15.0 -55.2 325 48 375.5 375.5 301.5 375.6 0.02 22 101 15486 -53.7 -71.7 9 18.0 -54.3 310 40 422.8 422.8 308.0 422.9 0.02 23 100 15550 -53.9 -71.9 9 18.0 -54.5 310 40 423.6 423.6 308.2 423.7 0.02 24 75 17398 -56.3 -76.3 6 20.0 -56.9 310 46 454.9 454.9 311.3 455.0 0.02 25 70 17840 -54.5 -74.5 7 20.0 -55.2 310 48 467.8 467.8 312.5 467.9 0.02 26 69 17932 -54.3 -74.3 7 20.0 -55.1 310 47 470.1 470.2 312.7 470.3 0.02 27 61 18715 -58.5 -78.5 6 20.0 -59.0 308 41 477.7 477.7 313.2 477.7 0.01 28 57 19146 -54.1 -75.1 6 21.0 -55.1 307 38 497.0 497.0 314.8 497.2 0.03 29 52 19737 -52.1 -74.1 5 22.0 -53.4 306 33 514.9 514.9 316.0 515.1 0.03 30 50 19990 -54.3 -76.3 5 22.0 -55.4 305 31 515.5 515.5 316.0 515.7 0.02 31 41 21249 -58.7 -79.7 5 21.0 -59.5 534.7 534.7 317.2 534.8 0.02 32 40 21405 -56.3 -78.3 5 22.0 -57.3 544.5 544.5 317.8 544.6 0.02 33 37 21899 -57.9 -79.9 4 22.0 -58.8 552.6 552.6 318.2 552.8 0.02 TRP 348 7565 -55.3 -65.3 28 10.0 -55.4 340 66 294.6 294.6 278.9 294.7 0.02 WND 336 7788 -55.4 -65.6 27 10.2 -55.5 340 68 297.5 297.5 280.3 297.5 0.02 Sounding variables and indices 1000-500 mb thick: 4954.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 55.23 % Est. max temperature: -10.66 C = 12.81 F Sfc-Lift cond lev (LCL): 932.77 mb = 763.17 m = 2503.80 ft T: -15.13 C 700-500 lapse rate: 4.79 C/km ThetaE index: 0.51 C Layer 860.0- 717.0 mb Conv cond level (CCL): 847.40 mb = 1484.12 m = 4869.09 ft Mean mixing ratio: 0.84 g/kg Conv temperature: -11.00 C = 12.20 F Cap Strength: 9.66 C Lifted Index: 12.81 C Risk: None Lifted Index @300 mb: 29.83 C Lifted Index @700 mb: 2.74 C Showalter Index: 12.17 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 15.40 C K Index: -10.50 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 3.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.59 J/kg Max Up Vert Vel: 7.29 m/s Conv Inhibition (B-): 42729.64 J/kg Cap Strength: 12.73 C Lift Cond Lev (LCL): 872.81 mb = 1263.43 m = 4145.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 18 at 25 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 ---------------------------------------------------------- 0 972 456 0 0 -0.0 -0.0 | 198 25 7.5 23.4 1 925 826 345 13 3.4 -12.6 | 225 15 10.9 10.9 2 850 1462 335 15 6.3 -13.6 | 235 17 13.9 9.8 3 700 2861 350 23 4.0 -22.7 | 266 12 11.5 0.8 4 500 5200 350 50 8.7 -49.2 | 328 30 16.2 -25.8 5 400 6670 345 64 16.6 -61.8 | 328 45 24.1 -38.4 6 348 7565 340 66 22.6 -62.0 | 322 49 30.1 -38.6 7 336 7788 340 68 23.3 -63.9 | 323 51 30.8 -40.5 8 300 8510 340 58 19.8 -54.5 | 319 41 27.4 -31.1 9 250 9680 340 48 16.4 -45.1 | 312 32 24.0 -21.7 10 200 11110 320 46 29.6 -35.2 | 288 39 37.1 -11.8 11 150 12950 325 48 27.5 -39.3 | 294 39 35.1 -15.9 12 100 15550 310 40 30.6 -25.7 | 273 38 38.2 -2.3 13 70 17840 310 48 36.8 -30.9 | 280 45 44.3 -7.4 14 50 19990 305 31 25.4 -17.8 | 260 33 32.9 5.6 Wind Parameters Mean winds (0-6000m): 347.8 at 32.8 knts Storm direction: 17.8 at 24.6 knts Shear (0-3000m) pos: 1.8 neg: 3.5 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 97.3 deg Storm rel helicity (0-3000m) pos: 103.6 neg: 0.0 tot: 103.6 m^2/s^2 ave: 34.5 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.33 Bulk Shear: 80.38 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 ------------------------------------------------------------------------------- 500 345 8 212 18| 0.0 13.8 13.8| 44.7 0.0 44.7 89.4 0.67| 14.1 9.5 1000 341 11 221 17| 0.0 7.7 7.7| 53.7 0.0 53.7 53.7 0.70| 8.4 5.8 1500 340 13 227 17| 1.1 5.1 6.2| 64.7 0.0 64.7 43.1 0.72| 6.7 4.8 2000 341 15 232 16| 1.7 3.9 5.5| 74.9 0.0 74.9 37.4 0.73| 5.9 4.3 2500 343 16 237 15| 2.1 3.1 5.2| 86.0 0.0 86.0 34.4 0.75| 5.5 4.1 3000 345 18 243 14| 1.8 3.5 5.3|103.6 0.0 103.6 34.5 0.78| 5.6 4.4 4000 347 22 262 13| 1.3 4.1 5.5|138.7 0.0 138.7 34.7 0.74| 5.7 4.2 5000 348 28 285 14| 1.1 4.4 5.5|166.3 0.0 166.3 33.3 0.67| 5.7 3.8 6000 348 33 301 17| 0.9 4.5 5.4|167.2 -2.0 165.2 27.5 0.56| 5.6 3.1 Wrote GIF file: /home/apache/climate/data/raob//X0635/skewt/X0635.skewt.20251229.12.gif