UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:1200Z 8 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 1001 57 -6.1 -9.6 76 3.5 -7.1 300 8 267.0 267.3 266.0 272.0 1.84 1 1000 63 -5.9 -10.2 72 4.3 -7.1 300 8 267.2 267.5 266.0 272.0 1.76 2 925 669 -10.5 -12.6 85 2.1 -11.1 270 17 268.6 268.8 266.6 272.9 1.57 3 884 1016 -13.3 -13.3 100 0.0 -13.3 242 19 269.2 269.4 267.0 273.5 1.55 4 871 1129 -14.3 -14.5 98 0.2 -14.3 238 22 269.3 269.5 266.8 273.2 1.42 5 866 1172 -13.3 -17.4 71 4.1 -14.2 237 23 270.8 271.0 267.3 274.0 1.13 6 853 1287 -13.9 -20.9 55 7.0 -15.2 239 23 271.3 271.5 267.2 273.7 0.85 7 850 1314 -14.1 -21.1 55 7.0 -15.4 240 22 271.4 271.5 267.2 273.8 0.83 8 773 2026 -20.1 -23.1 77 3.0 -20.6 252 20 272.4 272.5 267.8 274.6 0.77 9 764 2113 -20.5 -26.5 59 6.0 -21.4 250 19 272.9 273.0 267.7 274.6 0.57 10 757 2181 -20.7 -22.1 88 1.4 -21.0 253 21 273.4 273.5 268.6 275.9 0.86 11 746 2289 -19.5 -21.7 83 2.2 -19.9 260 25 275.8 276.0 270.2 278.5 0.90 12 743 2319 -18.3 -23.3 65 5.0 -19.1 262 26 277.4 277.6 271.0 279.8 0.79 13 730 2451 -19.3 -24.3 65 5.0 -20.1 270 31 277.8 277.9 271.1 279.9 0.73 14 700 2762 -20.9 -26.9 59 6.0 -21.8 270 33 279.3 279.4 271.8 281.2 0.60 15 696 2804 -21.3 -27.3 58 6.0 -22.2 269 34 279.4 279.5 271.8 281.1 0.58 16 611 3756 -26.9 -31.7 64 4.8 -27.5 245 46 283.5 283.6 273.9 284.9 0.44 17 532 4740 -34.7 -37.8 73 3.1 -34.9 242 49 285.6 285.7 274.8 286.5 0.28 18 526 4819 -35.3 -40.3 60 5.0 -35.6 241 50 285.8 285.9 274.8 286.5 0.22 19 500 5170 -38.5 -41.9 70 3.4 -38.7 240 62 286.1 286.1 274.9 286.7 0.19 20 485 5378 -40.1 -43.2 72 3.1 -40.2 237 67 286.6 286.7 275.2 287.2 0.17 21 473 5549 -41.1 -43.5 78 2.4 -41.2 234 70 287.5 287.5 275.6 288.0 0.17 22 447 5930 -43.7 -48.0 62 4.3 -43.9 228 78 288.9 288.9 276.3 289.2 0.11 23 437 6082 -44.9 -48.6 66 3.7 -45.0 225 81 289.2 289.2 276.5 289.6 0.11 24 433 6143 -45.1 -47.6 76 2.5 -45.2 226 80 289.7 289.8 276.7 290.1 0.12 25 432 6159 -44.9 -61.9 13 17.0 -45.3 227 79 290.2 290.2 276.8 290.3 0.02 26 431 6174 -44.7 -84.7 0 40.0 -45.1 227 79 290.6 290.6 277.0 290.6 0.00 27 418 6378 -46.1 -62.1 15 16.0 -46.4 234 73 291.4 291.4 277.4 291.5 0.02 28 405 6588 -46.7 -63.7 13 17.0 -47.0 238 79 293.3 293.3 278.3 293.3 0.02 29 400 6670 -46.7 -64.7 11 18.0 -47.0 240 82 294.3 294.3 278.8 294.4 0.02 30 357 7422 -47.3 -65.3 11 18.0 -47.6 240 101 303.2 303.2 282.7 303.3 0.02 31 326 8019 -49.6 -67.6 10 18.0 -49.9 240 113 308.0 308.0 284.6 308.1 0.01 32 300 8560 -51.7 -69.7 10 18.0 -52.0 250 106 312.5 312.5 286.2 312.5 0.01 33 294 8690 -52.1 -73.1 6 21.0 -52.4 250 103 313.7 313.7 286.6 313.7 0.01 34 250 9740 -49.7 -78.7 2 29.0 -50.1 250 82 332.2 332.2 292.3 332.2 0.00 35 242 9954 -49.1 -79.1 2 30.0 -49.6 251 80 336.2 336.2 293.4 336.2 0.00 36 200 11210 -49.9 -80.9 1 31.0 -50.4 250 73 353.8 353.8 297.4 353.8 0.00 37 150 13080 -51.3 -82.3 1 31.0 -51.8 245 77 381.7 381.7 302.5 381.7 0.00 38 121 14473 -52.1 -83.1 1 31.0 -52.7 262 77 404.4 404.4 305.8 404.4 0.00 39 117 14691 -50.1 -83.1 1 33.0 -50.9 262 70 412.0 412.0 306.7 412.0 0.00 40 100 15710 -52.9 -83.9 1 31.0 -53.6 255 59 425.5 425.5 308.3 425.5 0.00 41 92 16245 -55.5 -85.5 1 30.0 -56.1 251 56 430.6 430.6 308.9 430.7 0.00 42 84 16829 -52.7 -84.7 1 32.0 -53.5 244 53 447.7 447.7 310.6 447.7 0.00 43 70 18000 -54.9 -85.9 1 31.0 -55.6 240 50 466.9 466.9 312.4 467.0 0.00 44 58 19194 -57.3 -86.3 1 29.0 -58.0 245 36 487.3 487.3 314.0 487.3 0.00 45 53 19768 -54.1 -86.1 1 32.0 -55.2 254 47 507.5 507.5 315.5 507.5 0.00 46 50 20140 -55.3 -86.3 1 31.0 -56.3 245 40 513.2 513.2 315.8 513.2 0.00 47 40 21553 -57.9 -86.9 1 29.0 -58.8 247 38 540.4 540.4 317.5 540.5 0.01 48 33 22774 -54.7 -86.7 1 32.0 -56.2 255 21 579.5 579.5 319.6 579.5 0.01 49 30 23380 -57.1 -87.1 1 30.0 -58.4 245 30 589.0 589.0 320.1 589.0 0.01 50 28 23817 -56.9 -86.9 1 30.0 -58.3 252 29 601.3 601.3 320.7 601.3 0.01 51 22 25364 -51.7 -85.7 1 34.0 -54.5 236 13 659.7 659.7 323.0 659.8 0.01 52 21 25664 -53.9 -85.9 1 32.0 -56.3 233 15 661.9 661.9 323.2 662.0 0.01 53 20 25980 -50.5 -84.5 1 34.0 -53.8 245 12 681.6 681.6 323.8 681.7 0.02 54 19 26313 -50.3 -84.3 1 34.0 -53.8 253 13 692.3 692.3 324.2 692.4 0.02 55 18 26663 -52.5 -85.5 1 33.0 -55.5 227 14 696.1 696.1 324.3 696.2 0.01 56 17 27033 -50.5 -84.5 1 34.0 -54.2 218 19 714.0 714.0 324.8 714.2 0.02 57 12 29259 -57.9 -87.9 1 30.0 -60.4 272 19 762.6 762.6 326.3 762.7 0.01 58 10 30410 -56.3 -87.3 1 31.0 -59.6 270 22 809.4 809.4 327.5 809.6 0.02 59 7.7 32072 -55.9 -86.9 1 31.0 -60.0 873.8 873.8 328.9 874.1 0.03 60 6.7 32965 -51.9 -85.9 1 34.0 -57.9 926.0 926.1 329.9 926.4 0.04 61 4.4 35686 -52.5 -86.5 1 34.0 -59.8 1041.5 1041.6 331.8 1042.1 0.05 TRP 294 8690 -52.1 -73.1 6 21.0 -52.4 250 103 313.7 313.7 286.6 313.7 0.01 WND 326 8019 -49.6 -67.6 10 18.0 -49.9 240 113 308.0 308.0 284.6 308.1 0.01 Sounding variables and indices 1000-500 mb thick: 5107.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 69.61 % Est. max temperature: -1.72 C = 28.91 F Sfc-Lift cond lev (LCL): 946.86 mb = 487.43 m = 1599.16 ft T: -9.12 C 700-500 lapse rate: 7.31 C/km ThetaE index: 0.22 C Layer 871.0- 866.0 mb Conv cond level (CCL): 896.17 mb = 911.30 m = 2989.81 ft Mean mixing ratio: 1.64 g/kg Conv temperature: -4.08 C = 24.66 F Cap Strength: 11.32 C Lifted Index: 11.28 C Risk: None Lifted Index @300 mb: 28.26 C Lifted Index @700 mb: 7.50 C Showalter Index: 10.35 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 24.40 C Cross Totals Index: 17.40 C K Index: -2.70 Risk: None Sweat Index: 106.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.86 J/kg Max Up Vert Vel: 3.12 m/s Conv Inhibition (B-): 82009.03 J/kg Cap Strength: 11.28 C Lift Cond Lev (LCL): 908.37 mb = 807.85 m = 2650.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 29 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 1001 57 300 8 6.9 -4.0 | 88 22 -22.2 -0.9 1 1000 63 300 8 6.9 -4.0 | 88 22 -22.2 -0.9 2 969 305 305 15 12.3 -8.6 | 72 18 -16.9 -5.5 3 932 610 275 17 16.9 -1.5 | 98 12 -12.2 1.7 4 925 669 270 17 17.0 -0.0 | 104 13 -12.1 3.1 5 896 914 245 16 14.5 6.8 | 124 18 -14.6 9.9 6 861 1219 235 24 19.7 13.8 | 151 19 -9.5 16.9 7 850 1314 240 22 19.1 11.0 | 144 17 -10.1 14.1 8 826 1524 255 21 20.3 5.4 | 134 12 -8.9 8.6 9 793 1829 255 22 21.3 5.7 | 138 12 -7.9 8.8 10 762 2134 250 19 17.9 6.5 | 130 15 -11.3 9.6 11 731 2438 270 31 31.0 -0.0 | 211 4 1.9 3.1 12 702 2743 270 30 30.0 -0.0 | 195 3 0.9 3.1 13 700 2762 270 33 33.0 -0.0 | 231 5 3.9 3.1 14 618 3658 245 45 40.8 19.0 | 208 25 11.6 22.2 15 592 3962 245 50 45.3 21.1 | 214 29 16.2 24.3 16 567 4267 250 49 46.0 16.8 | 220 26 16.9 19.9 17 544 4572 245 45 40.8 19.0 | 208 25 11.6 22.2 18 521 4877 240 52 45.0 26.0 | 209 33 15.9 29.1 19 500 5170 240 62 53.7 31.0 | 216 42 24.5 34.1 20 456 5791 230 76 58.2 48.9 | 209 60 29.1 52.0 21 436 6096 225 81 57.3 57.3 | 205 67 28.1 60.4 22 416 6401 235 72 59.0 41.3 | 214 54 29.8 44.4 23 400 6670 240 82 71.0 41.0 | 223 61 41.9 44.1 24 346 7620 240 106 91.8 53.0 | 228 84 62.7 56.1 25 326 8019 240 113 97.9 56.5 | 229 91 68.7 59.6 26 316 8230 240 113 97.9 56.5 | 229 91 68.7 59.6 27 300 8560 250 106 99.6 36.3 | 241 81 70.5 39.4 28 294 8690 250 103 96.8 35.2 | 240 78 67.6 38.4 29 274 9144 255 89 86.0 23.0 | 245 63 56.8 26.2 30 261 9449 250 80 75.2 27.4 | 236 55 46.0 30.5 31 250 9740 250 82 77.1 28.0 | 237 57 47.9 31.2 32 217 10668 255 73 70.5 18.9 | 242 47 41.4 22.0 33 200 11210 250 73 68.6 25.0 | 235 48 39.5 28.1 34 180 11887 245 64 58.0 27.0 | 224 42 28.9 30.2 35 157 12802 250 89 83.6 30.4 | 238 64 54.5 33.6 36 150 13080 245 77 69.8 32.5 | 229 54 40.6 35.7 37 149 13106 245 76 68.9 32.1 | 228 53 39.7 35.3 38 130 14021 255 91 87.9 23.6 | 246 65 58.8 26.7 39 118 14630 265 72 71.7 6.3 | 258 44 42.6 9.4 40 108 15240 240 53 45.9 26.5 | 209 34 16.8 29.6 41 100 15710 255 59 57.0 15.3 | 237 33 27.8 18.4 42 98 15850 255 59 57.0 15.3 | 237 33 27.8 18.4 43 85 16764 245 52 47.1 22.0 | 216 31 18.0 25.1 44 77 17374 240 64 55.4 32.0 | 217 44 26.3 35.1 45 70 17983 255 45 43.5 11.6 | 224 21 14.3 14.8 46 70 18000 240 50 43.3 25.0 | 207 31 14.2 28.1 47 67 18288 235 51 41.8 29.3 | 201 35 12.6 32.4 48 64 18593 255 53 51.2 13.7 | 233 28 22.1 16.9 49 58 19202 245 36 32.6 15.2 | 191 19 3.5 18.3 50 55 19507 245 54 48.9 22.8 | 217 33 19.8 26.0 51 53 19812 255 46 44.4 11.9 | 225 21 15.3 15.0 52 50 20140 245 40 36.3 16.9 | 200 21 7.1 20.0 53 46 20726 240 32 27.7 16.0 | 176 19 -1.4 19.1 54 41 21336 260 44 43.3 7.6 | 233 18 14.2 10.8 55 38 21946 225 28 19.8 19.8 | 158 25 -9.3 22.9 56 36 22250 250 30 28.2 10.3 | 176 13 -1.0 13.4 57 34 22555 230 22 16.9 14.1 | 145 21 -12.3 17.3 58 33 22860 265 21 20.9 1.8 | 121 10 -8.2 5.0 59 31 23165 265 19 18.9 1.7 | 115 11 -10.2 4.8 60 30 23380 245 30 27.2 12.7 | 173 16 -2.0 15.8 61 30 23470 235 19 15.6 10.9 | 136 20 -13.6 14.0 62 28 23774 250 31 29.1 10.6 | 180 14 -0.0 13.7 63 27 24079 265 20 19.9 1.7 | 118 10 -9.2 4.9 64 26 24384 235 14 11.5 8.0 | 122 21 -17.7 11.2 65 24 24689 280 13 12.8 -2.3 | 93 16 -16.3 0.9 66 23 24994 240 10 8.7 5.0 | 112 22 -20.5 8.1 67 20 25908 230 17 13.0 10.9 | 131 21 -16.1 14.1 68 20 25980 245 12 10.9 5.1 | 114 20 -18.3 8.2 69 19 26213 260 13 12.8 2.3 | 108 17 -16.3 5.4 70 18 26822 215 15 8.6 12.3 | 127 26 -20.5 15.4 71 17 27127 220 21 13.5 16.1 | 141 25 -15.6 19.2 72 16 27432 250 15 14.1 5.1 | 119 17 -15.0 8.3 73 15 27737 265 14 13.9 1.2 | 106 16 -15.2 4.4 74 13 28651 290 14 13.2 -4.8 | 84 16 -16.0 -1.7 75 13 28956 255 12 11.6 3.1 | 110 19 -17.6 6.2 76 11 29566 290 27 25.4 -9.2 | 32 7 -3.8 -6.1 77 10 30175 265 24 23.9 2.1 | 135 7 -5.2 5.2 78 10 30410 270 22 22.0 -0.0 | 114 8 -7.1 3.1 Wind Parameters Mean winds (0-6000m): 246.1 at 39.1 knts Storm direction: 276.1 at 29.3 knts Shear (0-3000m) pos: 3.2 neg: 4.2 tot: 7.4 10-3/s Storm rel Dir Shear (0-3000m): 133.6 deg Storm rel helicity (0-3000m) pos: 100.9 neg: -46.6 tot: 54.3 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 137.13 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 ------------------------------------------------------------------------------- 500 297 14 80 17| 0.0 9.8 9.8| 15.6 -24.6 -9.0 -18.0 -0.04| 13.7 -0.6 1000 274 15 98 14| 0.0 8.8 8.8| 62.4 -24.6 37.8 37.8 0.42| 13.9 5.8 1500 260 18 117 13| 1.8 5.9 7.7| 79.6 -39.8 39.8 26.5 0.29| 13.1 3.8 2000 258 18 122 13| 1.4 4.4 5.8| 81.6 -43.9 37.7 18.9 0.26| 10.6 2.7 2500 260 20 125 12| 3.8 3.5 7.3| 98.9 -44.1 54.7 21.9 0.35| 11.5 4.0 3000 262 22 131 10| 3.2 4.2 7.4|100.9 -46.6 54.3 18.1 0.31| 11.1 3.5 4000 256 28 168 10| 2.4 5.4 7.7|128.4 -67.5 60.9 15.2 0.23| 11.0 2.5 5000 253 32 187 13| 1.9 5.4 7.3|172.7-103.2 69.5 13.9 0.18| 11.1 2.0 6000 246 39 199 20| 1.6 6.8 8.4|188.3-247.2 -58.9 -9.8 0.08| 11.8 1.0 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20251208.12.gif