UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:1200Z 18 APR 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 1004 57 1.6 -1.1 82 2.7 0.5 230 9 274.4 275.0 273.5 284.0 3.51 1 1000 92 1.0 -1.1 86 2.1 0.1 240 9 274.1 274.7 273.3 283.7 3.52 2 952 484 -2.9 -2.9 100 0.0 -2.9 262 21 274.1 274.6 272.8 282.9 3.24 3 925 712 -3.9 -6.6 81 2.7 -4.8 275 26 275.3 275.7 272.5 282.3 2.52 4 910 841 -4.7 -8.4 75 3.7 -5.9 272 28 275.8 276.2 272.3 282.0 2.22 5 887 1042 -5.7 -9.0 77 3.3 -6.7 264 29 276.8 277.1 272.8 282.9 2.18 6 850 1374 -8.7 -9.8 92 1.1 -9.1 250 31 277.0 277.4 272.9 283.0 2.13 7 801 1831 -12.5 -12.5 100 0.0 -12.5 255 29 277.7 278.0 272.8 282.9 1.82 8 789 1947 -10.5 -13.5 79 3.0 -11.3 269 28 281.1 281.4 274.6 286.0 1.71 9 768 2154 -10.3 -14.2 73 3.9 -11.4 289 26 283.5 283.7 275.8 288.3 1.66 10 727 2577 -9.9 -16.9 57 7.0 -11.8 271 25 288.4 288.6 277.9 292.6 1.40 11 700 2868 -11.9 -18.9 56 7.0 -13.6 255 24 289.3 289.5 278.2 293.0 1.23 12 684 3045 -13.1 -20.1 56 7.0 -14.7 250 23 289.9 290.1 278.3 293.4 1.13 13 659 3329 -13.5 -28.5 27 15.0 -16.3 277 20 292.5 292.6 278.8 294.3 0.55 14 615 3851 -17.3 -27.3 41 10.0 -19.1 282 25 294.0 294.1 279.6 296.1 0.66 15 601 4024 -17.7 -33.7 23 16.0 -20.1 279 26 295.5 295.6 279.8 296.7 0.37 16 570 4419 -19.3 -41.3 12 22.0 -21.9 273 28 298.1 298.2 280.8 298.7 0.18 17 567 4459 -19.5 -40.5 14 21.0 -22.0 272 28 298.3 298.4 280.9 299.0 0.20 18 500 5380 -27.1 -40.1 28 13.0 -28.4 260 35 300.0 300.0 281.7 300.8 0.23 19 471 5806 -30.9 -41.9 33 11.0 -31.8 255 35 300.5 300.5 281.8 301.2 0.20 20 457 6019 -32.3 -49.3 17 17.0 -33.4 259 36 301.3 301.3 282.0 301.6 0.09 21 451 6112 -31.7 -52.7 11 21.0 -32.9 260 36 303.2 303.2 282.8 303.4 0.06 22 443 6238 -32.3 -45.3 26 13.0 -33.3 262 36 304.0 304.0 283.2 304.5 0.15 23 437 6334 -32.9 -48.9 19 16.0 -33.9 264 37 304.4 304.4 283.3 304.8 0.10 24 435 6366 -33.1 -43.1 36 10.0 -33.9 265 37 304.6 304.6 283.5 305.3 0.19 25 430 6447 -33.7 -41.7 44 8.0 -34.4 266 37 304.8 304.9 283.7 305.6 0.23 26 428 6479 -33.7 -47.7 23 14.0 -34.6 267 37 305.2 305.2 283.7 305.7 0.12 27 425 6529 -34.1 -44.1 36 10.0 -34.8 268 37 305.3 305.4 283.8 306.0 0.18 28 421 6595 -34.3 -48.3 23 14.0 -35.2 269 37 305.9 305.9 283.9 306.3 0.11 29 417 6661 -34.5 -41.5 49 7.0 -35.1 270 37 306.5 306.5 284.3 307.3 0.24 30 409 6796 -35.5 -44.5 39 9.0 -36.1 272 38 306.9 306.9 284.4 307.5 0.18 31 400 6950 -36.9 -42.9 54 6.0 -37.3 275 38 307.0 307.1 284.5 307.8 0.22 32 324 8368 -49.7 -53.9 61 4.2 -49.8 289 38 308.4 308.5 284.8 308.7 0.08 33 322 8409 -49.7 -57.7 39 8.0 -49.9 289 38 309.0 309.0 285.0 309.2 0.05 34 307 8720 -51.1 -65.1 17 14.0 -51.3 274 35 311.3 311.3 285.8 311.3 0.02 35 300 8870 -51.7 -66.7 15 15.0 -52.0 260 32 312.5 312.5 286.2 312.5 0.02 36 282 9270 -54.1 -68.1 16 14.0 -54.3 265 38 314.6 314.6 287.0 314.7 0.01 37 271 9525 -54.5 -70.5 12 16.0 -54.7 262 40 317.6 317.6 288.0 317.7 0.01 38 256 9894 -49.3 -75.3 3 26.0 -49.7 258 41 330.5 330.5 291.9 330.5 0.01 39 252 9998 -48.9 -77.9 2 29.0 -49.3 256 40 332.6 332.6 292.4 332.6 0.00 40 250 10050 -49.3 -78.3 2 29.0 -49.7 255 40 332.8 332.8 292.4 332.8 0.00 41 239 10343 -49.7 -78.7 2 29.0 -50.1 255 35 336.5 336.5 293.4 336.5 0.00 42 228 10651 -47.1 -80.1 1 33.0 -47.7 260 36 345.0 345.0 295.5 345.0 0.00 43 200 11510 -49.1 -81.1 1 32.0 -49.6 250 40 355.0 355.0 297.7 355.0 0.00 44 197 11609 -49.5 -81.5 1 32.0 -50.0 251 40 355.9 355.9 297.9 355.9 0.00 45 184 12058 -47.1 -81.1 1 34.0 -47.8 254 38 366.8 366.8 300.0 366.8 0.00 46 159 13018 -49.7 -82.7 1 33.0 -50.3 233 34 378.1 378.1 301.9 378.1 0.00 47 150 13400 -48.5 -82.5 1 34.0 -49.3 230 36 386.5 386.5 303.3 386.5 0.00 48 148 13488 -48.1 -82.1 1 34.0 -48.9 235 36 388.7 388.7 303.6 388.7 0.00 49 140 13854 -49.5 -82.5 1 33.0 -50.2 227 36 392.4 392.4 304.2 392.5 0.00 50 131 14291 -48.1 -83.1 1 35.0 -49.0 235 45 402.5 402.5 305.5 402.5 0.00 51 120 14868 -48.9 -82.9 1 34.0 -49.8 239 28 411.2 411.2 306.7 411.2 0.00 52 113 15261 -50.9 -83.9 1 33.0 -51.7 221 33 414.6 414.6 307.1 414.6 0.00 53 100 16060 -49.1 -84.1 1 35.0 -50.1 260 32 432.9 432.9 309.1 432.9 0.00 54 96 16330 -47.3 -83.3 1 36.0 -48.6 240 27 441.5 441.5 310.0 441.5 0.00 55 75 17945 -53.7 -85.7 1 32.0 -54.5 249 21 460.3 460.3 311.8 460.3 0.00 56 70 18390 -53.1 -86.1 1 33.0 -54.0 200 26 470.8 470.8 312.7 470.8 0.00 57 60 19389 -49.5 -85.5 1 36.0 -51.0 215 17 500.1 500.1 314.9 500.1 0.00 58 50 20570 -53.3 -87.3 1 34.0 -54.5 230 20 517.9 517.9 316.2 517.9 0.00 59 42 21685 -56.3 -88.3 1 32.0 -57.3 228 9 536.9 536.9 317.3 536.9 0.00 60 36 22665 -55.7 -87.7 1 32.0 -57.0 89 10 562.7 562.7 318.8 562.7 0.00 61 33 23224 -52.1 -87.1 1 35.0 -54.1 161 13 586.4 586.4 320.0 586.4 0.01 62 30 23840 -52.7 -87.7 1 35.0 -54.7 130 18 601.0 601.0 320.6 601.0 0.01 63 26 24767 -53.1 -87.1 1 34.0 -55.3 112 15 624.9 624.9 321.7 625.0 0.01 64 20 26470 -51.7 -87.7 1 36.0 -54.7 105 9 677.9 677.9 323.7 678.0 0.01 65 15 28349 -48.7 -85.7 1 37.0 -53.4 185 7 746.0 746.0 325.8 746.2 0.02 TRP 282 9270 -54.1 -68.1 16 14.0 -54.3 265 38 314.6 314.6 287.0 314.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5288.00 m Freezing level: 987.69 mb = 192.64 m = 632.02 ft Wetbulb zero: 997.84 mb = 109.24 m = 358.38 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 55.54 % Est. max temperature: 4.17 C = 39.51 F Sfc-Lift cond lev (LCL): 962.67 mb = 395.54 m = 1297.69 ft T: -2.02 C 700-500 lapse rate: 6.05 C/km ThetaE index: 1.98 C Layer 1000.0- 887.0 mb Conv cond level (CCL): 916.09 mb = 788.24 m = 2586.05 ft Mean mixing ratio: 3.02 g/kg Conv temperature: 2.77 C = 36.98 F Cap Strength: 14.17 C Lifted Index: 14.54 C Risk: None Lifted Index @300 mb: 21.00 C Lifted Index @700 mb: 8.65 C Showalter Index: 14.42 C Risk: None Total Totals Index: 35.70 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 17.30 C K Index: 1.60 Risk: None Sweat Index: 143.71 Risk: None Energy Index: 3.79 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.74 J/kg Max Up Vert Vel: 3.93 m/s Conv Inhibition (B-): 60292.57 J/kg Cap Strength: 14.49 C Lift Cond Lev (LCL): 929.89 mb = 670.28 m = 2199.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 20 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 1004 57 230 9 6.9 5.8 | 141 19 -11.6 14.6 1 1000 92 240 9 7.8 4.5 | 141 17 -10.7 13.3 2 974 305 250 20 18.8 6.8 | 181 16 0.3 15.6 3 937 610 270 22 22.0 -0.0 | 202 9 3.5 8.8 4 925 712 275 26 25.9 -2.3 | 229 10 7.4 6.5 5 901 914 270 29 29.0 -0.0 | 230 14 10.5 8.8 6 867 1219 255 30 29.0 7.8 | 212 20 10.5 16.5 7 850 1374 250 31 29.1 10.6 | 209 22 10.6 19.4 8 834 1524 250 32 30.1 10.9 | 210 23 11.6 19.7 9 801 1829 255 29 28.0 7.5 | 210 19 9.5 16.3 10 770 2134 290 26 24.4 -8.9 | 271 6 5.9 -0.1 11 740 2438 280 26 25.6 -4.5 | 239 8 7.1 4.3 12 711 2743 260 24 23.6 4.2 | 202 14 5.1 13.0 13 700 2868 255 24 23.2 6.2 | 197 16 4.7 15.0 14 683 3048 250 23 21.6 7.9 | 191 17 3.1 16.7 15 656 3353 280 20 19.7 -3.5 | 193 5 1.2 5.3 16 630 3658 285 24 23.2 -6.2 | 241 5 4.7 2.6 17 580 4267 275 28 27.9 -2.4 | 236 11 9.4 6.3 18 535 4877 265 29 28.9 2.5 | 223 15 10.4 11.3 19 500 5380 260 35 34.5 6.1 | 227 22 16.0 14.9 20 472 5791 255 35 33.8 9.1 | 221 24 15.3 17.8 21 452 6096 260 36 35.5 6.3 | 228 23 17.0 15.0 22 400 6950 275 38 37.9 -3.3 | 254 20 19.4 5.5 23 362 7620 280 39 38.4 -6.8 | 264 20 19.9 2.0 24 346 7925 285 38 36.7 -9.8 | 273 18 18.2 -1.0 25 315 8534 290 38 35.7 -13.0 | 284 18 17.2 -4.2 26 300 8870 260 32 31.5 5.6 | 222 19 13.0 14.3 27 288 9144 255 34 32.8 8.8 | 219 23 14.4 17.6 28 282 9270 265 38 37.9 3.3 | 238 23 19.4 12.1 29 262 9754 260 41 40.4 7.1 | 234 27 21.9 15.9 30 250 10050 255 40 38.6 10.4 | 226 28 20.1 19.1 31 250 10058 250 35 32.9 12.0 | 215 25 14.4 20.8 32 227 10668 260 36 35.5 6.3 | 228 23 17.0 15.0 33 207 11278 240 38 32.9 19.0 | 207 31 14.4 27.8 34 200 11510 250 40 37.6 13.7 | 220 29 19.1 22.5 35 189 11887 255 41 39.6 10.6 | 227 29 21.1 19.4 36 172 12497 250 31 29.1 10.6 | 209 22 10.6 19.4 37 157 13106 230 34 26.0 21.9 | 194 32 7.6 30.6 38 150 13400 230 36 27.6 23.1 | 196 33 9.1 31.9 39 150 13411 240 35 30.3 17.5 | 204 29 11.8 26.3 40 143 13716 220 38 24.4 29.1 | 189 38 5.9 37.9 41 136 14021 235 34 27.9 19.5 | 198 30 9.4 28.3 42 130 14326 235 46 37.7 26.4 | 209 40 19.2 35.2 43 119 14935 240 26 22.5 13.0 | 190 22 4.0 21.8 44 113 15240 220 33 21.2 25.3 | 185 34 2.7 34.1 45 103 15850 245 49 44.4 20.7 | 221 39 25.9 29.5 46 100 16060 260 32 31.5 5.6 | 222 19 13.0 14.3 47 94 16459 230 25 19.2 16.1 | 182 25 0.7 24.9 48 86 17069 220 29 18.6 22.2 | 180 31 0.2 31.0 49 74 17983 250 21 19.7 7.2 | 184 16 1.2 16.0 50 71 18288 235 20 16.4 11.5 | 174 20 -2.1 20.3 51 70 18390 200 26 8.9 24.4 | 164 35 -9.6 33.2 52 68 18593 200 24 8.2 22.6 | 162 33 -10.3 31.3 53 65 18898 225 18 12.7 12.7 | 165 22 -5.8 21.5 54 62 19202 200 17 5.8 16.0 | 153 28 -12.7 24.8 55 59 19507 225 17 12.0 12.0 | 163 22 -6.5 20.8 56 56 19812 185 14 1.2 13.9 | 143 29 -17.3 22.7 57 54 20117 185 21 1.8 20.9 | 151 34 -16.7 29.7 58 51 20422 200 27 9.2 25.4 | 165 35 -9.3 34.2 59 50 20570 230 20 15.3 12.9 | 172 22 -3.2 21.6 60 49 20726 210 24 12.0 20.8 | 168 30 -6.5 29.6 61 47 21031 245 17 15.4 7.2 | 169 16 -3.1 16.0 62 44 21336 205 13 5.5 11.8 | 148 24 -13.0 20.6 63 42 21641 210 10 5.0 8.7 | 142 22 -13.5 17.4 64 40 21946 330 2 1.0 -1.7 | 112 19 -17.5 7.1 65 35 22860 120 12 -10.4 6.0 | 117 32 -28.9 14.8 66 33 23165 160 14 -4.8 13.2 | 133 32 -23.3 21.9 67 32 23470 165 10 -2.6 9.7 | 131 28 -21.1 18.4 68 30 23774 95 13 -13.0 1.1 | 108 33 -31.4 9.9 69 30 23840 130 18 -13.8 11.6 | 122 38 -32.3 20.4 70 28 24384 145 14 -8.0 11.5 | 127 33 -26.5 20.3 71 26 24689 105 13 -12.6 3.4 | 111 33 -31.0 12.1 72 25 24994 130 20 -15.3 12.9 | 123 40 -33.8 21.6 73 24 25298 150 18 -9.0 15.6 | 132 37 -27.5 24.4 74 23 25603 130 15 -11.5 9.6 | 122 35 -30.0 18.4 75 21 26213 155 12 -5.1 10.9 | 130 31 -23.6 19.7 76 20 26470 105 9 -8.7 2.3 | 112 29 -27.2 11.1 77 20 26518 100 10 -9.8 1.7 | 110 30 -28.3 10.5 78 18 26822 105 10 -9.7 2.6 | 112 30 -28.1 11.4 79 15 27432 200 6 2.1 5.6 | 131 22 -16.4 14.4 80 13 27737 55 10 -8.2 -5.7 | 97 27 -26.7 3.0 81 12 28042 75 22 -21.3 -5.7 | 94 40 -39.7 3.1 82 11 28346 90 15 -15.0 0.0 | 105 35 -33.5 8.8 83 10 28651 85 16 -15.9 -1.4 | 102 35 -34.4 7.4 Wind Parameters Mean winds (0-6000m): 265.4 at 27.3 knts Storm direction: 295.4 at 20.5 knts Shear (0-3000m) pos: 4.0 neg: 3.8 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 49.5 deg Storm rel helicity (0-3000m) pos: 110.5 neg: -66.9 tot: 43.6 m^2/s^2 ave: 14.5 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 13.0 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.49 Bulk Shear: 15.72 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 ------------------------------------------------------------------------------- 500 254 17 172 14| 15.8 0.0 15.8| 59.6 0.0 59.6 119.3 0.83| 18.4 15.2 1000 264 22 197 12| 7.9 4.1 12.0| 74.8 -9.2 65.6 65.6 0.60| 15.6 9.4 1500 260 25 204 15| 5.3 4.3 9.5| 77.8 -28.4 49.4 32.9 0.39| 13.1 5.1 2000 259 26 208 15| 5.9 3.2 9.1|105.2 -28.6 76.7 38.3 0.42| 14.0 5.9 2500 264 26 213 14| 4.7 3.1 7.9|110.5 -42.2 68.3 27.3 0.29| 13.6 3.9 3000 263 26 211 14| 4.0 3.8 7.8|110.5 -66.9 43.6 14.5 0.16| 13.0 2.1 4000 267 25 212 12| 4.5 3.2 7.7|120.5 -68.3 52.2 13.0 0.18| 12.2 2.2 5000 267 26 216 12| 3.6 3.4 7.0|122.9 -79.8 43.1 8.6 0.14| 10.8 1.5 6000 265 27 218 14| 3.1 3.3 6.3|141.9 -93.5 48.3 8.1 0.13| 9.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20250418.12.gif