UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:1200Z 1 DEC 25 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 1008 57 3.0 0.2 82 2.8 1.8 115 6 275.5 276.2 274.6 286.0 3.84 1 1000 122 3.2 -0.5 77 3.7 1.7 135 14 276.4 277.0 274.8 286.4 3.68 2 925 748 -1.5 -1.5 100 0.0 -1.5 170 42 277.8 278.4 275.6 288.0 3.70 3 920 791 -1.9 -1.9 100 0.0 -1.9 171 44 277.8 278.4 275.5 287.8 3.61 4 850 1421 -2.7 -2.9 99 0.2 -2.8 200 49 283.3 283.9 278.4 293.6 3.63 5 819 1715 -4.1 -4.5 97 0.4 -4.3 211 50 284.9 285.4 278.8 294.4 3.34 6 714 2790 -8.1 -8.4 98 0.3 -8.2 235 51 291.9 292.4 281.4 300.3 2.84 7 700 2944 -9.1 -9.6 96 0.5 -9.3 235 48 292.4 292.9 281.4 300.3 2.63 8 572 4479 -17.9 -18.6 94 0.7 -18.1 230 66 299.5 299.7 283.1 304.3 1.54 9 500 5470 -25.5 -26.2 94 0.7 -25.6 240 81 301.9 302.1 283.4 304.9 0.90 10 466 5977 -29.7 -30.0 97 0.3 -29.7 244 83 302.9 303.0 283.4 305.1 0.68 11 443 6337 -32.9 -35.7 76 2.8 -33.2 245 88 303.2 303.3 283.2 304.6 0.41 12 435 6465 -33.3 -36.3 74 3.0 -33.6 245 91 304.3 304.4 283.7 305.7 0.39 13 433 6497 -33.7 -39.7 55 6.0 -34.2 245 92 304.2 304.3 283.5 305.2 0.28 14 426 6612 -34.7 -42.7 44 8.0 -35.3 245 95 304.4 304.4 283.4 305.1 0.21 15 409 6896 -35.9 -39.1 72 3.2 -36.2 245 101 306.4 306.4 284.4 307.5 0.32 16 402 7016 -37.3 -44.3 48 7.0 -37.8 245 104 306.1 306.1 284.1 306.7 0.19 17 400 7050 -37.5 -43.5 53 6.0 -37.9 245 104 306.3 306.3 284.2 307.0 0.20 18 399 7067 -37.5 -41.9 63 4.4 -37.8 245 104 306.5 306.5 284.3 307.3 0.24 19 386 7295 -38.7 -41.8 72 3.1 -38.9 245 107 307.8 307.9 284.8 308.7 0.25 20 361 7751 -41.5 -45.2 67 3.7 -41.7 245 112 310.0 310.1 285.6 310.7 0.19 21 300 8980 -50.7 -54.4 65 3.7 -50.8 240 121 313.9 313.9 286.8 314.2 0.08 22 250 10150 -59.1 -63.7 54 4.7 -59.1 245 147 318.3 318.3 288.2 318.4 0.03 23 236 10509 -61.7 -66.7 51 5.0 -61.7 245 144 319.6 319.6 288.6 319.6 0.02 24 207 11310 -66.3 -70.1 59 3.8 -66.3 240 126 324.6 324.6 290.2 324.6 0.01 25 203 11429 -64.3 -70.3 44 6.0 -64.4 240 121 329.5 329.5 291.6 329.6 0.01 26 200 11520 -64.1 -73.1 28 9.0 -64.1 240 118 331.2 331.3 292.0 331.3 0.01 27 196 11644 -63.3 -74.3 21 11.0 -63.4 240 115 334.4 334.4 292.9 334.5 0.01 28 190 11835 -62.5 -74.5 18 12.0 -62.6 241 110 338.7 338.7 294.0 338.8 0.01 29 181 12136 -60.7 -78.7 8 18.0 -60.9 242 102 346.4 346.4 295.8 346.4 0.00 30 172 12453 -61.5 -77.5 10 16.0 -61.6 244 93 350.2 350.2 296.7 350.2 0.01 31 155 13104 -58.1 -79.1 5 21.0 -58.3 250 89 366.5 366.5 299.9 366.5 0.00 32 150 13310 -58.3 -78.3 6 20.0 -58.5 250 63 369.6 369.6 300.5 369.7 0.01 33 133 14060 -61.7 -80.7 6 19.0 -61.9 252 61 376.5 376.5 301.7 376.5 0.00 34 116 14905 -62.5 -81.5 6 19.0 -62.7 249 62 390.1 390.1 303.8 390.1 0.00 35 108 15346 -61.9 -83.9 4 22.0 -62.1 241 67 399.2 399.2 305.1 399.3 0.00 36 105 15522 -58.3 -83.3 3 25.0 -58.6 236 73 409.3 409.3 306.5 409.3 0.00 37 101 15767 -56.3 -81.3 3 25.0 -56.8 255 65 417.8 417.8 307.4 417.8 0.01 38 100 15830 -56.7 -81.7 3 25.0 -57.1 260 62 418.2 418.2 307.5 418.2 0.01 39 91 16426 -59.9 -84.9 2 25.0 -60.2 258 63 423.3 423.3 308.1 423.3 0.00 40 71 17972 -62.7 -86.7 3 24.0 -63.0 241 41 448.4 448.4 310.7 448.4 0.00 41 70 18060 -61.5 -87.5 2 26.0 -61.9 255 61 452.8 452.8 311.1 452.8 0.00 42 62 18814 -58.5 -86.5 2 28.0 -59.0 269 48 475.5 475.5 313.1 475.5 0.00 43 51 20019 -64.5 -88.5 2 24.0 -64.8 253 46 488.7 488.7 314.1 488.7 0.00 44 50 20140 -64.3 -88.3 2 24.0 -64.6 260 45 492.0 492.0 314.4 492.0 0.00 45 42 21209 -64.7 -88.7 2 24.0 -65.1 267 39 516.1 516.1 316.1 516.1 0.00 46 31 23086 -60.7 -88.7 1 28.0 -61.5 303 39 573.8 573.8 319.3 573.8 0.00 47 30 23290 -60.7 -88.7 1 28.0 -61.6 310 39 579.2 579.2 319.6 579.2 0.00 48 20 25760 -67.7 -90.7 2 23.0 -68.2 325 53 628.9 628.9 321.9 629.0 0.01 49 18 26394 -69.5 -91.5 3 22.0 -69.9 324 54 642.5 642.5 322.4 642.5 0.00 50 14 27895 -70.7 -92.7 2 22.0 -71.2 345 49 686.3 686.3 324.0 686.3 0.00 51 12 28821 -66.7 -91.7 2 25.0 -67.7 333 48 731.4 731.4 325.4 731.5 0.01 52 11 29346 -68.3 -92.3 2 24.0 -69.1 340 37 744.0 744.0 325.8 744.1 0.01 53 10 29920 -68.1 -92.1 2 24.0 -69.0 10 54 765.3 765.4 326.4 765.4 0.01 54 8.6 30830 -66.1 -91.1 2 25.0 -67.4 806.9 806.9 327.4 807.0 0.01 55 7.9 31350 -61.9 -89.9 1 28.0 -64.2 843.5 843.5 328.2 843.6 0.01 56 5.5 33610 -58.3 -88.3 1 30.0 -62.4 951.5 951.5 330.4 951.7 0.03 57 4.6 34750 -52.3 -85.3 1 33.0 -59.5 1029.3 1029.4 331.6 1030.0 0.06 58 4.5 34892 -52.5 -84.5 1 32.0 -59.7 1034.9 1034.9 331.7 1035.7 0.07 TRP 207 11310 -66.3 -70.1 59 3.8 -66.3 240 126 324.6 324.6 290.2 324.6 0.01 WND 250 10150 -59.1 -63.7 54 4.7 -59.1 245 147 318.3 318.3 288.2 318.4 0.03 Sounding variables and indices 1000-500 mb thick: 5348.00 m Freezing level: 948.94 mb = 548.21 m = 1798.58 ft Wetbulb zero: 960.64 mb = 444.41 m = 1458.03 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 95.13 % Est. max temperature: 10.15 C = 50.28 F Sfc-Lift cond lev (LCL): 965.18 mb = 406.58 m = 1333.92 ft T: 1.06 C 700-500 lapse rate: 6.49 C/km ThetaE index: 0.21 C Layer 920.0- 850.0 mb Conv cond level (CCL): 923.91 mb = 757.44 m = 2485.01 ft Mean mixing ratio: 3.68 g/kg Conv temperature: 5.27 C = 41.48 F Cap Strength: 11.88 C Lifted Index: 12.74 C Risk: None Lifted Index @300 mb: 18.89 C Lifted Index @700 mb: 8.34 C Showalter Index: 8.05 C Risk: None Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 22.60 C K Index: 19.40 Risk: < 20 % chance of thunderstorms Sweat Index: 284.35 Risk: None Energy Index: 2.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.40 J/kg Max Up Vert Vel: 3.58 m/s Conv Inhibition (B-): 60324.01 J/kg Cap Strength: 12.74 C Lift Cond Lev (LCL): 932.57 mb = 682.55 m = 2239.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 41 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 1008 57 115 6 -5.4 2.5 | 80 46 -45.3 -8.1 1 1000 122 135 14 -9.9 9.9 | 89 50 -49.8 -0.7 2 977 305 155 22 -9.3 19.9 | 101 50 -49.2 9.3 3 941 610 165 37 -9.6 35.7 | 117 55 -49.4 25.1 4 925 748 170 42 -7.3 41.4 | 123 56 -47.1 30.7 5 906 914 175 48 -4.2 47.8 | 130 58 -44.0 37.2 6 872 1219 195 47 12.2 45.4 | 141 44 -27.7 34.8 7 850 1421 200 49 16.8 46.0 | 147 42 -23.1 35.4 8 807 1829 215 50 28.7 41.0 | 160 32 -11.2 30.3 9 776 2134 225 49 34.6 34.6 | 168 25 -5.2 24.0 10 747 2438 230 49 37.5 31.5 | 174 21 -2.3 20.9 11 718 2743 235 52 42.6 29.8 | 188 19 2.7 19.2 12 700 2944 235 48 39.3 27.5 | 178 17 -0.5 16.9 13 637 3658 235 47 38.5 27.0 | 175 16 -1.4 16.3 14 587 4267 230 64 49.0 41.1 | 197 32 9.2 30.5 15 541 4877 230 70 53.6 45.0 | 202 37 13.8 34.4 16 500 5470 240 81 70.1 40.5 | 225 43 30.3 29.9 17 458 6096 245 83 75.2 35.1 | 235 43 35.4 24.4 18 402 7010 245 104 94.3 44.0 | 239 64 54.4 33.3 19 400 7050 245 104 94.3 44.0 | 239 64 54.4 33.3 20 367 7620 245 111 100.6 46.9 | 239 71 60.7 36.3 21 300 8980 240 121 104.8 60.5 | 232 82 64.9 49.9 22 292 9144 240 121 104.8 60.5 | 232 82 64.9 49.9 23 279 9449 240 120 103.9 60.0 | 232 81 64.1 49.4 24 250 10150 245 147 133.2 62.1 | 241 107 93.4 51.5 25 241 10363 245 147 133.2 62.1 | 241 107 93.4 51.5 26 230 10668 245 141 127.8 59.6 | 241 101 87.9 48.9 27 208 11278 240 141 122.1 70.5 | 234 102 82.3 59.9 28 207 11310 240 126 109.1 63.0 | 233 87 69.3 52.4 29 200 11520 240 118 102.2 59.0 | 232 79 62.3 48.4 30 163 12802 245 84 76.1 35.5 | 236 44 36.3 24.9 31 155 13106 250 89 83.6 30.4 | 246 48 43.8 19.8 32 150 13310 250 63 59.2 21.5 | 241 22 19.3 10.9 33 148 13411 245 65 58.9 27.5 | 229 25 19.1 16.8 34 127 14326 255 60 58.0 15.5 | 255 19 18.1 4.9 35 110 15240 245 63 57.1 26.6 | 227 24 17.2 16.0 36 105 15545 235 74 60.6 42.4 | 213 38 20.8 31.8 37 100 15830 260 62 61.1 10.8 | 270 21 21.2 0.1 38 100 15850 250 80 75.2 27.4 | 245 39 35.3 16.7 39 95 16154 260 63 62.0 10.9 | 269 22 22.2 0.3 40 86 16764 255 63 60.9 16.3 | 255 22 21.0 5.7 41 74 17678 255 37 35.7 9.6 | 75 4 -4.1 -1.1 42 71 17983 240 41 35.5 20.5 | 156 11 -4.3 9.9 43 70 18060 255 61 58.9 15.8 | 255 20 19.1 5.1 44 67 18288 255 62 59.9 16.0 | 255 21 20.0 5.4 45 58 19202 280 37 36.4 -6.4 | 11 17 -3.4 -17.1 46 55 19507 270 30 30.0 -0.0 | 43 15 -9.9 -10.6 47 50 20117 250 49 46.0 16.8 | 225 9 6.2 6.1 48 50 20140 260 45 44.3 7.8 | 302 5 4.5 -2.8 49 43 21031 270 34 34.0 -0.0 | 29 12 -5.9 -10.6 50 41 21336 265 42 41.8 3.7 | 344 7 2.0 -7.0 51 39 21641 275 49 48.8 -4.3 | 329 17 9.0 -14.9 52 36 22250 280 22 21.7 -3.8 | 52 23 -18.2 -14.5 53 32 22860 295 39 35.3 -16.5 | 9 27 -4.5 -27.1 54 30 23290 310 39 29.9 -25.1 | 16 37 -10.0 -35.7 55 29 23470 315 38 26.9 -26.9 | 19 40 -13.0 -37.5 56 25 24384 325 45 25.8 -36.9 | 16 50 -14.0 -47.5 57 22 25298 335 31 13.1 -28.1 | 35 47 -26.8 -38.7 58 20 25760 325 53 30.4 -43.4 | 10 55 -9.5 -54.1 59 19 26213 325 56 32.1 -45.9 | 8 57 -7.7 -56.5 60 16 27127 320 44 28.3 -33.7 | 15 46 -11.6 -44.4 61 15 27432 345 44 11.4 -42.5 | 28 60 -28.5 -53.1 62 13 28346 345 53 13.7 -51.2 | 23 67 -26.1 -61.8 63 12 28956 330 47 23.5 -40.7 | 18 54 -16.4 -51.3 64 11 29566 345 31 8.0 -29.9 | 38 52 -31.8 -40.6 65 10 29920 10 54 -9.4 -53.2 | 38 81 -49.2 -63.8 66 9 30175 5 53 -4.6 -52.8 | 35 77 -44.5 -63.4 Wind Parameters Mean winds (0-6000m): 225.0 at 55.0 knts Storm direction: 255.0 at 41.3 knts Shear (0-3000m) pos: 8.8 neg: 0.0 tot: 8.8 10-3/s Storm rel Dir Shear (0-3000m): 97.9 deg Storm rel helicity (0-3000m) pos: 968.5 neg: -14.5 tot: 954.0 m^2/s^2 ave: 318.0 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 17.7 stream: 13.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.02 Bulk Shear: 357.72 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 ------------------------------------------------------------------------------- 500 155 22 101 50| 31.6 0.0 31.6|400.9 0.0 400.9 801.7 0.95| 32.6 31.0 1000 167 33 114 52| 23.5 0.0 23.5|704.7 0.0 704.7 704.7 0.93| 28.2 26.1 1500 179 38 124 49| 17.0 0.0 17.0|846.7 0.0 846.7 564.4 0.87| 24.8 21.5 2000 190 41 132 44| 13.2 0.0 13.2|922.0 0.0 922.0 461.0 0.81| 22.5 18.3 2500 199 43 139 39| 10.9 0.0 10.9|953.1 0.0 953.1 381.3 0.80| 19.8 15.8 3000 206 44 144 35| 8.8 0.0 8.8|968.5 -14.5 954.0 318.0 0.74| 17.7 13.1 4000 215 45 152 30| 6.6 1.4 8.0|1002.0 -17.7 984.3 246.1 0.71| 14.9 10.5 5000 219 50 163 29| 6.0 2.0 8.0|1093.0 -17.71075.3 215.1 0.69| 13.6 9.4 6000 225 55 178 28| 6.0 1.7 7.7|1292.6 -17.71274.9 212.5 0.73| 13.0 9.4 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20251201.12.gif