UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for X1770... Searching the city database file for: X1770 ... Date:0000Z 29 OCT 25 Station: X1770 WMO ident: 31770 Latitude: 49.00 Longitude: 140.30 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1018 21 3.6 -4.4 56 8.0 0.5 290 9 275.3 275.8 272.8 282.8 2.70 1 1000 165 1.6 -7.4 51 9.0 -1.5 315 21 274.8 275.1 271.6 280.8 2.19 2 968 426 -0.9 -9.9 50 9.0 -3.8 309 27 274.8 275.1 271.1 280.0 1.86 3 925 787 -2.9 -11.9 50 9.0 -5.6 300 35 276.3 276.6 271.8 281.1 1.66 4 850 1452 -5.9 -14.9 49 9.0 -8.4 330 25 280.0 280.2 273.5 284.1 1.41 5 848 1470 -6.1 -15.1 49 9.0 -8.5 330 25 279.9 280.2 273.5 284.0 1.39 6 723 2693 -16.3 -24.3 50 8.0 -17.7 334 20 281.8 281.9 273.5 284.1 0.74 7 700 2936 -17.1 -25.1 50 8.0 -18.5 335 19 283.5 283.7 274.4 285.7 0.71 8 686 3087 -17.1 -25.1 50 8.0 -18.6 334 19 285.2 285.3 275.3 287.4 0.73 9 578 4356 -22.9 -30.9 48 8.0 -24.0 326 22 292.7 292.8 278.8 294.4 0.50 10 500 5400 -30.9 -38.9 45 8.0 -31.6 320 25 295.4 295.4 279.7 296.3 0.26 11 448 6171 -36.3 -44.3 43 8.0 -36.8 313 26 298.0 298.0 280.7 298.6 0.17 12 427 6503 -37.5 -45.5 43 8.0 -38.0 309 26 300.6 300.6 281.8 301.1 0.15 13 400 6950 -41.3 -49.3 42 8.0 -41.6 305 27 301.3 301.3 282.0 301.7 0.11 14 367 7531 -44.9 -52.9 40 8.0 -45.2 299 26 304.0 304.0 283.1 304.3 0.08 15 348 7886 -45.5 -53.5 40 8.0 -45.8 295 25 307.9 307.9 284.6 308.2 0.08 16 300 8860 -52.9 -59.9 42 7.0 -53.0 285 23 310.8 310.8 285.7 310.9 0.04 17 288 9120 -55.3 -62.3 41 7.0 -55.4 285 24 311.0 311.0 285.7 311.1 0.03 18 261 9739 -58.7 -65.7 40 7.0 -58.8 285 27 314.9 314.9 287.1 315.0 0.02 19 252 9960 -55.7 -62.7 41 7.0 -55.8 285 25 322.5 322.5 289.6 322.7 0.03 20 250 10010 -55.9 -62.9 41 7.0 -56.0 285 25 323.0 323.0 289.7 323.1 0.03 21 220 10827 -55.7 -62.7 41 7.0 -55.8 285 28 335.3 335.3 293.2 335.5 0.04 22 200 11440 -52.7 -59.7 42 7.0 -52.9 285 31 349.3 349.3 296.5 349.6 0.06 23 176 12275 -49.1 -56.1 44 7.0 -49.4 278 32 368.2 368.3 300.4 368.7 0.11 24 150 13320 -52.1 -59.1 43 7.0 -52.4 270 33 380.3 380.3 302.3 380.7 0.09 25 119 14808 -55.5 -62.5 41 7.0 -55.8 267 42 400.1 400.1 305.3 400.4 0.07 26 100 15920 -54.3 -61.3 42 7.0 -54.6 265 48 422.8 422.8 308.1 423.3 0.10 27 76 17675 -53.7 -60.7 42 7.0 -54.2 257 46 458.6 458.6 311.7 459.4 0.14 28 70 18200 -55.5 -62.5 41 7.0 -55.9 255 46 465.7 465.7 312.3 466.4 0.12 29 65 18670 -58.3 -65.3 40 7.0 -58.6 254 47 469.5 469.5 312.7 470.0 0.09 30 50 20330 -56.5 -63.5 41 7.0 -57.0 250 50 510.3 510.4 315.7 511.3 0.15 31 47 20723 -55.5 -62.5 41 7.0 -56.1 250 50 521.8 521.9 316.5 523.0 0.18 32 43 21285 -58.3 -65.3 40 7.0 -58.8 250 50 528.4 528.4 316.9 529.3 0.14 33 37 22236 -54.7 -61.7 42 7.0 -55.5 250 50 560.8 560.9 318.8 562.6 0.26 34 33 22963 -56.9 -63.9 41 7.0 -57.6 250 50 573.7 573.7 319.4 575.2 0.21 35 30 23570 -53.9 -60.9 42 7.0 -54.9 250 50 597.7 597.8 320.6 600.3 0.35 36 29 23788 -53.3 -60.3 42 7.0 -54.4 250 50 605.2 605.3 321.0 608.1 0.39 37 24 24997 -56.9 -63.9 41 7.0 -57.8 247 52 628.4 628.5 321.9 630.7 0.30 38 20 26160 -54.1 -61.1 42 7.0 -55.5 245 54 670.6 670.8 323.6 674.8 0.51 39 14 28482 -48.0 -55.7 41 7.7 -50.8 255 62 763.4 764.1 326.7 777.0 1.45 40 12 29506 -45.3 -53.3 40 8.0 -49.0 250 57 807.2 808.3 328.0 829.5 2.25 41 10 30710 -50.3 -58.3 38 8.0 -53.4 245 50 831.8 832.5 328.3 846.9 1.46 42 8.7 31618 -50.7 -58.7 38 8.0 -54.0 864.0 864.9 329.1 881.2 1.60 43 7.9 32254 -45.7 -53.7 40 8.0 -50.1 908.2 910.0 330.2 944.7 3.26 44 7.1 32961 -48.5 -56.5 39 8.0 -52.6 924.8 926.3 330.4 954.4 2.58 TRP 261 9739 -58.7 -65.7 40 7.0 -58.8 285 27 314.9 314.9 287.1 315.0 0.02 WND 14 28482 -48.0 -55.7 41 7.7 -50.8 255 62 763.4 764.1 326.7 777.0 1.45 Sounding variables and indices 1000-500 mb thick: 5235.00 m Freezing level: 979.52 mb = 331.87 m = 1088.80 ft Wetbulb zero: 1013.20 mb = 59.10 m = 193.89 ft Precipitable water: 0.25 inches Sfc-500 mean rel hum: 49.00 % Est. max temperature: 7.34 C = 45.22 F Sfc-Lift cond lev (LCL): 899.18 mb = 1009.61 m = 3312.32 ft T: -3.90 C 700-500 lapse rate: 5.60 C/km ThetaE index: 2.81 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 771.46 mb = 2195.79 m = 7203.94 ft Mean mixing ratio: 1.95 g/kg Conv temperature: 9.40 C = 48.91 F Cap Strength: 11.18 C Lifted Index: 12.41 C Risk: None Lifted Index @300 mb: 21.26 C Lifted Index @700 mb: 4.97 C Showalter Index: 9.83 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 25.00 C Cross Totals Index: 16.00 C K Index: 2.10 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.16 J/kg Max Up Vert Vel: 3.51 m/s Conv Inhibition (B-): 70699.05 J/kg Cap Strength: 12.36 C Lift Cond Lev (LCL): 841.95 mb = 1525.33 m = 5004.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 at 18 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 1018 21 290 9 8.5 -3.1 | 203 16 6.0 14.5 1 1000 165 315 21 14.8 -14.8 | 258 13 12.4 2.7 2 925 787 300 35 30.3 -17.5 | 270 28 27.9 0.1 3 850 1452 330 25 12.5 -21.7 | 292 11 10.1 -4.1 4 700 2936 335 19 8.0 -17.2 | 266 6 5.6 0.3 5 500 5400 320 25 16.1 -19.2 | 277 14 13.7 -1.6 6 400 6950 305 27 22.1 -15.5 | 264 20 19.7 2.1 7 300 8860 285 23 22.2 -6.0 | 240 23 19.8 11.6 8 261 9739 285 27 26.1 -7.0 | 246 26 23.7 10.6 9 250 10010 285 25 24.1 -6.5 | 243 24 21.7 11.1 10 200 11440 285 31 29.9 -8.0 | 251 29 27.5 9.5 11 150 13320 270 33 33.0 -0.0 | 240 35 30.6 17.6 12 100 15920 265 48 47.8 4.2 | 244 50 45.4 21.7 13 70 18200 255 46 44.4 11.9 | 235 51 42.0 29.5 14 50 20330 250 50 47.0 17.1 | 232 56 44.6 34.7 15 30 23570 250 50 47.0 17.1 | 232 56 44.6 34.7 16 20 26160 245 54 48.9 22.8 | 229 62 46.5 40.4 17 14 28482 255 62 59.9 16.0 | 240 67 57.5 33.6 18 10 30710 245 50 45.3 21.1 | 228 58 42.9 38.7 Wind Parameters Mean winds (0-6000m): 322.2 at 23.6 knts Storm direction: 352.2 at 17.7 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 65.1 deg Storm rel helicity (0-3000m) pos: 103.2 neg: -6.4 tot: 96.9 m^2/s^2 ave: 32.3 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.69 Bulk Shear: 3.65 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 ------------------------------------------------------------------------------- 500 310 22 257 15| 21.1 0.0 21.1| 61.6 0.0 61.6 123.3 0.76| 22.9 17.3 1000 306 27 265 20| 12.0 0.0 12.0| 85.4 0.0 85.4 85.4 0.59| 17.7 10.5 1500 310 28 270 19| 6.4 0.0 6.4|103.1 0.0 103.1 68.7 0.53| 15.9 8.4 2000 315 27 274 17| 4.4 0.0 4.4|103.1 -2.1 101.0 50.5 0.49| 12.4 6.1 2500 318 26 275 15| 3.2 0.0 3.2|103.1 -4.4 98.7 39.5 0.44| 10.4 4.6 3000 320 25 276 13| 2.4 0.0 2.4|103.2 -6.4 96.9 32.3 0.41| 9.0 3.7 4000 323 24 276 12| 1.8 0.4 2.3|105.0 -6.4 98.7 24.7 0.40| 7.2 2.9 5000 323 23 275 12| 1.5 0.7 2.2|105.7 -6.4 99.3 19.9 0.38| 6.1 2.3 6000 322 24 275 12| 1.2 0.9 2.1|105.7 -12.1 93.5 15.6 0.33| 5.4 1.8 Wrote GIF file: /home/apache/climate/data/raob//X1770/skewt/X1770.skewt.20251029.00.gif