UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for CYJT... Searching the city database file for: CYJT ... Date:1200Z 18 JAN 26 Station: CYJT WMO ident: 71815 Latitude: 48.57 Longitude: -58.57 Elevation: 57.00 ------------------------------------------------------------------------------- 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 1005 57 -2.9 -3.7 94 0.8 -3.2 355 2 269.9 270.3 269.7 277.6 2.89 1 1000 94 -2.9 -4.1 91 1.2 -3.3 10 3 270.2 270.7 269.8 277.9 2.82 2 925 710 -4.7 -5.1 97 0.4 -4.8 240 8 274.5 275.0 272.5 282.3 2.82 3 899 934 -4.9 -5.5 96 0.6 -5.1 255 15 276.5 277.0 273.6 284.4 2.82 4 850 1373 -7.5 -7.5 100 0.0 -7.5 255 20 278.3 278.7 274.3 285.5 2.56 5 840 1465 -8.3 -8.3 100 0.0 -8.3 257 22 278.4 278.8 274.1 285.2 2.43 6 830 1558 -7.3 -8.6 90 1.3 -7.7 259 24 280.4 280.8 275.2 287.2 2.40 7 798 1863 -9.7 -10.1 97 0.4 -9.8 265 31 281.0 281.4 275.3 287.4 2.22 8 789 1951 -10.1 -11.5 89 1.4 -10.5 265 30 281.5 281.8 275.2 287.3 2.01 9 784 2000 -9.5 -14.3 68 4.8 -10.8 265 29 282.7 282.9 275.3 287.4 1.61 10 762 2219 -11.1 -17.1 61 6.0 -12.6 265 30 283.2 283.5 275.2 287.1 1.31 11 752 2320 -10.7 -20.7 44 10.0 -13.0 265 32 284.7 284.9 275.5 287.7 0.98 12 718 2675 -12.9 -23.9 39 11.0 -15.1 265 37 286.1 286.2 275.9 288.5 0.77 13 700 2868 -14.3 -27.3 32 13.0 -16.6 265 37 286.6 286.8 275.9 288.5 0.58 14 687 3010 -14.7 -33.7 18 19.0 -17.5 261 38 287.7 287.8 276.0 288.8 0.32 15 595 4087 -20.3 -45.3 9 25.0 -22.7 255 65 293.3 293.3 278.5 293.7 0.11 16 542 4774 -23.7 -48.7 8 25.0 -25.8 251 88 297.2 297.2 280.2 297.5 0.08 17 519 5090 -25.3 -37.3 32 12.0 -26.7 250 95 299.0 299.0 281.3 300.0 0.30 18 510 5217 -25.9 -42.9 19 17.0 -27.5 250 96 299.8 299.8 281.5 300.4 0.17 19 506 5274 -26.1 -38.1 31 12.0 -27.4 250 97 300.2 300.2 281.8 301.2 0.28 20 500 5360 -26.7 -35.7 42 9.0 -27.8 250 98 300.5 300.6 282.1 301.7 0.36 21 496 5418 -27.3 -33.3 57 6.0 -28.0 250 99 300.4 300.5 282.2 302.0 0.46 22 449 6125 -33.1 -36.5 71 3.4 -33.4 250 112 301.8 301.9 282.6 303.1 0.37 23 407 6810 -36.5 -41.4 60 4.9 -36.9 255 132 306.0 306.1 284.1 306.9 0.25 24 405 6844 -36.7 -41.7 60 5.0 -37.1 255 131 306.2 306.2 284.2 307.1 0.24 25 400 6930 -37.7 -42.6 60 4.9 -38.1 255 130 306.0 306.0 284.1 306.8 0.22 26 335 8123 -48.1 -52.7 59 4.6 -48.3 252 138 307.7 307.7 284.5 308.0 0.09 27 330 8222 -49.1 -52.1 71 3.0 -49.2 253 139 307.6 307.7 284.5 308.0 0.09 28 321 8402 -50.5 -54.9 60 4.4 -50.6 255 139 308.2 308.2 284.7 308.4 0.07 29 317 8484 -51.1 -56.1 55 5.0 -51.2 255 139 308.4 308.4 284.8 308.7 0.06 30 307 8691 -52.3 -54.4 78 2.1 -52.4 252 135 309.6 309.6 285.2 309.9 0.08 31 306 8712 -52.5 -55.8 67 3.3 -52.6 252 134 309.6 309.6 285.2 309.8 0.07 32 303 8776 -52.3 -64.3 22 12.0 -52.5 251 133 310.7 310.7 285.6 310.8 0.02 33 300 8840 -52.1 -68.1 13 16.0 -52.3 250 131 311.9 311.9 286.0 312.0 0.01 34 292 9016 -51.7 -72.7 6 21.0 -52.0 250 128 314.9 314.9 287.1 314.9 0.01 35 250 10020 -54.3 -74.3 7 20.0 -54.5 255 123 325.3 325.3 290.4 325.4 0.01 36 243 10202 -55.5 -75.5 7 20.0 -55.7 255 118 326.2 326.2 290.6 326.2 0.01 37 228 10609 -56.3 -78.3 5 22.0 -56.5 255 118 331.0 331.0 292.0 331.0 0.00 38 200 11450 -53.3 -81.3 2 28.0 -53.7 255 97 348.4 348.4 296.3 348.4 0.00 39 192 11712 -52.3 -81.3 2 29.0 -52.7 257 96 354.1 354.1 297.5 354.1 0.00 40 178 12197 -53.7 -81.7 2 28.0 -54.1 260 96 359.5 359.5 298.6 359.5 0.00 41 169 12531 -51.7 -82.7 1 31.0 -52.2 260 92 368.2 368.2 300.2 368.2 0.00 42 157 13004 -53.1 -83.1 1 30.0 -53.5 250 93 373.7 373.7 301.2 373.7 0.00 43 153 13171 -49.9 -81.9 1 32.0 -50.5 248 93 381.9 381.9 302.6 381.9 0.00 44 150 13300 -50.3 -81.3 1 31.0 -50.9 255 88 383.4 383.4 302.8 383.4 0.00 45 100 15910 -57.3 -85.3 2 28.0 -57.7 250 79 417.0 417.0 307.4 417.0 0.00 46 84 17001 -59.5 -86.5 2 27.0 -59.9 252 65 433.9 433.9 309.3 433.9 0.00 47 74 17781 -64.7 -88.7 2 24.0 -64.9 257 71 438.9 438.9 309.8 438.9 0.00 48 70 18120 -62.9 -87.9 2 25.0 -63.2 260 74 449.8 449.8 310.8 449.8 0.00 49 64 18678 -59.1 -87.1 1 28.0 -59.6 258 68 469.8 469.8 312.6 469.9 0.00 50 52 19969 -63.7 -88.7 2 25.0 -64.0 265 52 487.9 487.9 314.1 487.9 0.00 51 50 20210 -63.3 -89.3 2 26.0 -63.7 265 54 494.3 494.3 314.5 494.3 0.00 52 44 20995 -62.5 -88.5 2 26.0 -63.0 265 62 514.7 514.7 315.9 514.7 0.00 53 32 22931 -67.5 -90.5 2 23.0 -67.8 279 64 550.4 550.4 318.1 550.4 0.00 54 30 23320 -66.3 -90.3 2 24.0 -66.7 270 57 563.9 563.9 318.9 563.9 0.00 55 24 24670 -66.9 -90.9 2 24.0 -67.4 286 65 599.3 599.3 320.6 599.3 0.00 56 21 25482 -63.9 -89.9 2 26.0 -64.7 296 74 631.7 631.7 322.0 631.7 0.01 57 20 25780 -65.3 -90.3 2 25.0 -66.0 300 77 636.3 636.3 322.2 636.3 0.01 58 14 27940 -65.5 -91.5 2 26.0 -66.4 315 76 703.9 703.9 324.6 704.0 0.01 59 10 29950 -71.5 -93.5 2 22.0 -72.1 315 90 752.7 752.7 326.0 752.7 0.01 60 9.9 30009 -71.7 -93.7 2 22.0 -72.3 315 90 754.1 754.1 326.0 754.1 0.01 61 5.6 33451 -62.1 -90.1 1 28.0 -65.0 929.8 929.8 330.0 930.0 0.02 TRP 243 10202 -55.5 -75.5 7 20.0 -55.7 255 118 326.2 326.2 290.6 326.2 0.01 WND 321 8402 -50.5 -54.9 60 4.4 -50.6 255 139 308.2 308.2 284.7 308.4 0.07 Sounding variables and indices 1000-500 mb thick: 5266.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 48.84 % Est. max temperature: 5.35 C = 41.64 F Sfc-Lift cond lev (LCL): 992.25 mb = 155.50 m = 510.15 ft T: -3.08 C 700-500 lapse rate: 4.98 C/km ThetaE index: 0.24 C Layer 762.0- 752.0 mb Conv cond level (CCL): 882.92 mb = 1075.58 m = 3528.75 ft Mean mixing ratio: 2.82 g/kg Conv temperature: 4.35 C = 39.84 F Cap Strength: 16.60 C Lifted Index: 16.76 C Risk: None Lifted Index @300 mb: 22.24 C Lifted Index @700 mb: 7.95 C Showalter Index: 12.95 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 19.20 C K Index: -1.30 Risk: None Sweat Index: 138.00 Risk: None Energy Index: 3.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.97 J/kg Max Up Vert Vel: 6.48 m/s Conv Inhibition (B-): 65114.60 J/kg Cap Strength: 16.70 C Lift Cond Lev (LCL): 942.10 mb = 565.23 m = 1854.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 at 39 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 1005 57 355 2 0.2 -2.0 | 101 38 -37.3 7.4 1 1000 94 10 3 -0.5 -3.0 | 100 39 -38.0 6.5 2 974 305 85 10 -10.0 -0.9 | 100 48 -47.5 8.6 3 937 610 265 3 3.0 0.3 | 106 36 -34.5 9.7 4 925 710 240 8 6.9 4.0 | 114 33 -30.6 13.4 5 901 914 255 15 14.5 3.9 | 120 27 -23.0 13.3 6 867 1219 255 21 20.3 5.4 | 131 23 -17.2 14.9 7 850 1373 255 20 19.3 5.2 | 129 23 -18.2 14.6 8 801 1829 265 31 30.9 2.7 | 151 14 -6.6 12.1 9 770 2134 265 28 27.9 2.4 | 141 15 -9.6 11.9 10 740 2438 265 35 34.9 3.1 | 168 13 -2.6 12.5 11 711 2743 265 37 36.9 3.2 | 177 13 -0.7 12.7 12 700 2868 265 37 36.9 3.2 | 177 13 -0.7 12.7 13 683 3048 260 38 37.4 6.6 | 180 16 -0.1 16.0 14 629 3658 255 58 56.0 15.0 | 217 31 18.5 24.4 15 579 4267 255 68 65.7 17.6 | 226 39 28.2 27.0 16 534 4877 250 93 87.4 31.8 | 230 65 49.9 41.2 17 500 5360 250 98 92.1 33.5 | 232 69 54.6 42.9 18 450 6096 250 112 105.2 38.3 | 235 83 67.7 47.7 19 431 6401 255 113 109.1 29.2 | 242 81 71.6 38.7 20 413 6706 255 133 128.5 34.4 | 244 101 91.0 43.8 21 400 6930 255 130 125.6 33.6 | 244 98 88.1 43.1 22 361 7620 250 137 128.7 46.9 | 238 107 91.2 56.3 23 345 7925 250 138 129.7 47.2 | 238 108 92.2 56.6 24 321 8402 255 139 134.3 36.0 | 245 107 96.8 45.4 25 315 8534 255 139 134.3 36.0 | 245 107 96.8 45.4 26 300 8840 250 131 123.1 44.8 | 238 101 85.6 54.2 27 286 9144 250 126 118.4 43.1 | 237 96 80.9 52.5 28 250 10020 255 123 118.8 31.8 | 243 91 81.3 41.3 29 243 10202 255 118 114.0 30.5 | 242 86 76.5 40.0 30 226 10668 255 118 114.0 30.5 | 242 86 76.5 40.0 31 215 10973 255 116 112.0 30.0 | 242 84 74.5 39.4 32 200 11450 255 97 93.7 25.1 | 238 66 56.2 34.5 33 196 11582 255 93 89.8 24.1 | 237 62 52.3 33.5 34 187 11887 260 99 97.5 17.2 | 246 66 60.0 26.6 35 162 12802 260 89 87.6 15.5 | 244 56 50.1 24.9 36 155 13106 245 95 86.1 40.1 | 224 69 48.6 49.6 37 150 13300 255 88 85.0 22.8 | 236 57 47.5 32.2 38 128 14326 260 82 80.8 14.2 | 241 49 43.2 23.7 39 111 15240 255 73 70.5 18.9 | 229 43 33.0 28.3 40 106 15545 250 67 63.0 22.9 | 218 41 25.4 32.3 41 100 15910 250 79 74.2 27.0 | 225 52 36.7 36.4 42 96 16154 250 79 74.2 27.0 | 225 52 36.7 36.4 43 87 16764 250 63 59.2 21.5 | 215 38 21.7 31.0 44 70 18120 260 74 72.9 12.8 | 238 42 35.4 22.3 45 68 18288 255 74 71.5 19.2 | 230 44 34.0 28.6 46 53 19812 265 51 50.8 4.4 | 224 19 13.3 13.9 47 50 20210 265 54 53.8 4.7 | 229 22 16.3 14.1 48 44 21031 265 62 61.8 5.4 | 239 28 24.3 14.8 49 42 21336 260 55 54.2 9.6 | 221 25 16.7 19.0 50 38 21946 255 45 43.5 11.6 | 196 22 6.0 21.1 51 32 22860 280 65 64.0 -11.3 | 274 27 26.5 -1.9 52 30 23320 270 57 57.0 -0.0 | 244 22 19.5 9.4 53 29 23470 260 61 60.1 10.6 | 228 30 22.6 20.0 54 28 23774 275 55 54.8 -4.8 | 255 18 17.3 4.6 55 20 25780 300 77 66.7 -38.5 | 315 41 29.2 -29.1 56 19 26213 300 77 66.7 -38.5 | 315 41 29.2 -29.1 57 16 27127 295 62 56.2 -26.2 | 312 25 18.7 -16.8 58 15 27432 305 66 54.1 -37.9 | 330 33 16.6 -28.4 59 14 27737 315 79 55.9 -55.9 | 338 50 18.4 -46.4 60 12 28651 315 63 44.5 -44.5 | 349 36 7.0 -35.1 61 11 29566 315 67 47.4 -47.4 | 345 39 9.9 -38.0 62 10 29950 315 90 63.6 -63.6 | 334 60 26.1 -54.2 63 9 30175 310 89 68.2 -57.2 | 327 57 30.7 -47.8 Wind Parameters Mean winds (0-6000m): 254.1 at 51.6 knts Storm direction: 284.1 at 38.7 knts Shear (0-3000m) pos: 4.3 neg: 2.6 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 79.4 deg Storm rel helicity (0-3000m) pos: 292.6 neg: -65.5 tot: 227.0 m^2/s^2 ave: 75.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 12.7 stream: 5.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.05 Bulk Shear: 445.28 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 81 6 101 45| 0.0 5.7 5.7|146.4 -52.1 94.4 188.7 0.24| 30.2 7.4 1000 250 9 113 32| 7.2 2.8 10.0|212.8 -55.0 157.8 157.8 0.34| 22.9 7.8 1500 254 13 117 28| 7.1 1.9 9.0|242.6 -58.2 184.4 122.9 0.37| 18.1 6.7 2000 259 17 121 24| 6.5 1.4 7.9|260.7 -64.8 195.9 97.9 0.36| 15.8 5.7 2500 262 20 125 22| 5.2 2.3 7.5|285.0 -65.5 219.4 87.8 0.42| 14.2 5.9 3000 262 23 130 19| 4.3 2.6 6.9|292.6 -65.5 227.0 75.7 0.42| 12.7 5.3 4000 259 31 154 17| 3.2 5.3 8.6|400.0 -65.5 334.4 83.6 0.47| 12.9 6.1 5000 256 41 186 19| 2.6 7.5 10.0|472.3 -65.5 406.7 81.3 0.41| 13.6 5.5 6000 254 52 207 26| 2.2 7.6 9.8|566.4 -65.5 500.8 83.5 0.39| 12.7 5.0 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20260118.12.gif