UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:0000Z 28 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 ------------------------------------------------------------------------------- 0 1000 29 55 2 SFC 997 57 9.0 8.6 97 0.4 8.8 55 2 282.4 283.6 282.1 301.7 7.04 2 925 673 6.2 6.1 99 0.1 6.2 285 4 285.6 286.8 282.8 303.5 6.39 3 917 744 6.0 5.9 99 0.1 5.9 284 5 286.2 287.3 283.0 304.0 6.36 4 909 816 6.2 6.2 100 0.0 6.2 282 5 287.1 288.2 283.6 305.5 6.55 5 850 1368 6.4 6.0 97 0.4 6.2 255 18 292.9 294.1 286.3 312.7 6.91 6 817 1694 7.2 6.2 93 1.0 6.6 248 21 297.0 298.4 288.2 318.4 7.29 7 759 2298 4.6 2.3 85 2.3 3.4 250 27 300.5 301.6 288.2 318.3 5.96 8 700 2953 0.0 -0.1 99 0.1 -0.0 245 28 302.5 303.5 288.3 318.9 5.43 9 637 3701 -5.3 -5.3 100 0.0 -5.3 245 30 304.7 305.5 287.8 317.2 4.05 10 636 3713 -5.5 -6.5 93 1.0 -5.9 244 30 304.6 305.3 287.4 316.0 3.70 11 632 3763 -5.7 -17.7 38 12.0 -9.4 244 30 305.0 305.2 285.2 309.8 1.50 12 630 3788 -3.9 -16.9 36 13.0 -8.2 243 30 307.3 307.6 286.2 312.5 1.61 13 618 3939 -5.3 -14.3 49 9.0 -8.4 241 30 307.4 307.8 286.7 313.9 2.04 14 610 4041 -5.7 -20.7 30 15.0 -10.1 239 30 308.1 308.3 286.1 312.0 1.20 15 588 4328 -8.3 -19.3 41 11.0 -11.6 235 30 308.3 308.6 286.4 312.9 1.41 16 580 4434 -8.5 -24.5 26 16.0 -12.6 235 30 309.3 309.4 286.1 312.3 0.91 17 578 4461 -8.5 -23.5 29 15.0 -12.5 235 29 309.6 309.8 286.4 312.9 0.99 18 577 4474 -8.5 -15.5 57 7.0 -10.8 235 29 309.7 310.1 287.5 316.1 1.98 19 576 4488 -8.5 -13.0 70 4.5 -10.1 235 29 309.9 310.3 288.0 317.7 2.44 20 573 4528 -8.1 -18.1 44 10.0 -11.2 235 29 310.8 311.1 287.5 316.1 1.60 21 568 4596 -8.5 -18.5 44 10.0 -11.6 235 29 311.1 311.4 287.5 316.3 1.56 22 500 5570 -16.9 -21.9 65 5.0 -18.2 255 43 312.4 312.7 287.7 316.8 1.32 23 496 5630 -17.3 -22.0 67 4.7 -18.5 256 43 312.7 312.9 287.8 317.1 1.32 24 463 6143 -20.3 -22.4 83 2.1 -20.8 240 46 315.1 315.4 288.6 319.7 1.37 25 402 7174 -27.5 -29.7 81 2.2 -27.9 226 53 318.8 318.9 289.2 321.6 0.81 26 400 7210 -27.9 -30.0 82 2.1 -28.3 225 53 318.7 318.9 289.2 321.5 0.79 27 335 8460 -38.3 -39.9 85 1.6 -38.4 222 63 321.1 321.2 289.5 322.4 0.35 28 302 9165 -44.1 -47.5 69 3.4 -44.3 220 68 322.6 322.6 289.8 323.2 0.17 29 300 9210 -44.7 -47.9 70 3.2 -44.9 220 69 322.4 322.4 289.7 323.0 0.17 30 298 9255 -44.9 -47.8 73 2.9 -45.0 220 70 322.7 322.7 289.8 323.3 0.17 31 289 9459 -46.7 -51.7 57 5.0 -46.9 220 73 323.0 323.0 289.8 323.4 0.11 32 277 9738 -49.3 -52.6 68 3.3 -49.4 220 78 323.2 323.2 289.8 323.6 0.11 33 261 10124 -52.9 -56.3 66 3.4 -53.0 220 77 323.4 323.4 289.9 323.7 0.07 34 250 10400 -55.3 -59.6 59 4.3 -55.4 220 83 323.9 323.9 290.0 324.0 0.05 35 221 11173 -61.3 -65.7 56 4.4 -61.3 230 101 326.2 326.2 290.7 326.3 0.03 36 216 11315 -61.4 -65.4 59 4.0 -61.5 230 108 328.2 328.2 291.2 328.3 0.03 37 214 11372 -61.5 -65.3 60 3.8 -61.6 230 108 328.9 328.9 291.5 329.1 0.03 38 200 11790 -61.7 -70.7 29 9.0 -61.8 240 82 335.1 335.1 293.1 335.1 0.01 39 191 12075 -62.7 -73.7 21 11.0 -62.8 236 68 337.9 337.9 293.8 337.9 0.01 40 181 12408 -61.5 -77.5 10 16.0 -61.6 231 65 345.1 345.1 295.6 345.1 0.01 41 179 12478 -59.9 -77.9 8 18.0 -60.0 230 66 348.8 348.8 296.4 348.8 0.01 42 174 12655 -60.5 -80.5 6 20.0 -60.7 232 63 350.6 350.6 296.8 350.7 0.00 43 166 12950 -58.1 -81.1 4 23.0 -58.3 235 56 359.4 359.4 298.6 359.4 0.00 44 150 13590 -57.9 -83.9 2 26.0 -58.2 250 42 370.3 370.3 300.6 370.3 0.00 45 146 13761 -56.7 -83.7 2 27.0 -57.0 252 40 375.3 375.3 301.5 375.3 0.00 46 126 14689 -58.5 -85.5 2 27.0 -58.8 246 39 388.2 388.2 303.5 388.2 0.00 47 118 15103 -56.3 -84.3 2 28.0 -56.7 257 35 399.6 399.6 305.2 399.6 0.00 48 111 15489 -57.3 -85.3 2 28.0 -57.7 256 32 404.8 404.8 305.8 404.8 0.00 49 109 15604 -56.3 -85.3 1 29.0 -56.7 254 30 408.7 408.7 306.3 408.8 0.00 50 100 16150 -57.1 -85.1 2 28.0 -57.5 260 26 417.4 417.4 307.4 417.4 0.00 51 92 16679 -56.1 -85.1 1 29.0 -56.6 271 27 429.5 429.5 308.8 429.5 0.00 52 85 17181 -57.1 -86.1 1 29.0 -57.6 269 18 437.3 437.3 309.6 437.3 0.00 53 72 18239 -54.1 -85.1 1 31.0 -54.9 248 20 464.9 464.9 312.2 464.9 0.00 54 70 18420 -54.5 -85.5 1 31.0 -55.3 260 9 467.8 467.8 312.4 467.8 0.00 55 66 18794 -55.5 -85.5 1 30.0 -56.2 253 14 473.6 473.6 313.0 473.6 0.00 56 50 20570 -52.5 -85.5 1 33.0 -53.8 130 4 519.8 519.8 316.3 519.8 0.01 57 34 23054 -52.1 -85.1 1 33.0 -54.0 131 10 581.4 581.4 319.8 581.5 0.01 58 30 23860 -53.3 -86.3 1 33.0 -55.2 255 3 599.3 599.3 320.6 599.4 0.01 59 26 24784 -53.3 -86.3 1 33.0 -55.4 58 10 624.4 624.4 321.7 624.4 0.01 60 20 26490 -49.7 -85.7 1 36.0 -53.3 110 5 684.0 684.1 323.9 684.1 0.01 61 18 27182 -47.9 -84.9 1 37.0 -52.4 122 10 710.7 710.7 324.8 710.8 0.02 62 16 27955 -49.7 -84.7 1 35.0 -53.9 139 11 729.1 729.1 325.3 729.3 0.02 63 10 31060 -45.1 -84.1 0 39.0 -52.8 155 16 851.2 851.2 328.4 851.5 0.03 64 7.9 32643 -42.7 -82.7 0 40.0 -52.6 920.1 920.2 329.8 920.7 0.05 65 7.2 33266 -44.7 -84.7 0 40.0 -54.0 936.7 936.7 330.1 937.1 0.04 66 5.9 34622 -36.9 -78.9 0 42.0 -51.7 1025.4 1025.5 331.6 1027.1 0.13 67 5.1 35633 -35.7 -78.7 0 43.0 -52.1 1074.5 1074.6 332.3 1076.5 0.16 68 4.4 36675 -28.3 -73.3 1 45.0 -50.6 1155.8 1156.1 333.4 1161.9 0.43 69 3.7 37927 -24.9 -71.9 0 47.0 -50.8 1231.4 1231.8 334.3 1240.9 0.63 TRP 221 11173 -61.3 -65.7 56 4.4 -61.3 230 101 326.2 326.2 290.7 326.3 0.03 WND 216 11315 -61.4 -65.4 59 4.0 -61.5 230 108 328.2 328.2 291.2 328.3 0.03 Sounding variables and indices 1000-500 mb thick: 5541.00 m Freezing level: 700.00 mb = 2953.00 m = 9688.20 ft Wetbulb zero: 700.66 mb = 2945.34 m = 9663.08 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 79.14 % Est. max temperature: 19.82 C = 67.68 F Sfc-Lift cond lev (LCL): 990.99 mb = 106.68 m = 349.99 ft T: 8.77 C 700-500 lapse rate: 6.46 C/km ThetaE index: 0.04 C Layer 759.0- 700.0 mb Conv cond level (CCL): 944.12 mb = 504.82 m = 1656.22 ft Mean mixing ratio: 6.65 g/kg Conv temperature: 11.36 C = 52.46 F Cap Strength: 10.58 C Lifted Index: 9.74 C Risk: None Lifted Index @300 mb: 13.58 C Lifted Index @700 mb: 7.54 C Showalter Index: 3.71 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.90 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 151.00 Risk: None Energy Index: 0.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.83 J/kg Max Up Vert Vel: 6.30 m/s Conv Inhibition (B-): 62487.05 J/kg Cap Strength: 10.52 C Lift Cond Lev (LCL): 942.90 mb = 515.49 m = 1691.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 19 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 ---------------------------------------------------------- 0 997 57 55 2 -1.6 -1.1 | 93 20 -20.4 1.1 1 967 305 355 2 0.2 -2.0 | 91 19 -18.6 0.3 2 932 610 290 3 2.8 -1.0 | 94 16 -15.9 1.2 3 925 673 285 4 3.9 -1.0 | 95 15 -14.9 1.2 4 898 914 280 6 5.9 -1.0 | 95 13 -12.8 1.2 5 866 1219 250 15 14.1 5.1 | 148 9 -4.6 7.4 6 850 1368 255 18 17.4 4.7 | 169 7 -1.3 6.9 7 803 1829 245 22 19.9 9.3 | 186 12 1.2 11.5 8 774 2134 250 28 26.3 9.6 | 213 14 7.6 11.8 9 746 2438 250 26 24.4 8.9 | 207 13 5.7 11.1 10 718 2743 245 31 28.1 13.1 | 211 18 9.4 15.3 11 700 2953 245 28 25.4 11.8 | 205 16 6.6 14.1 12 639 3658 245 30 27.2 12.7 | 210 17 8.5 14.9 13 591 4267 235 30 24.6 17.2 | 197 20 5.8 19.5 14 568 4572 235 29 23.8 16.6 | 195 20 5.0 18.9 15 547 4877 235 28 22.9 16.1 | 193 19 4.2 18.3 16 526 5182 245 27 24.5 11.4 | 203 15 5.7 13.7 17 505 5486 255 44 42.5 11.4 | 240 27 23.8 13.6 18 500 5570 255 43 41.5 11.1 | 240 26 22.8 13.4 19 485 5791 260 44 43.3 7.6 | 248 27 24.6 9.9 20 465 6096 240 46 39.8 23.0 | 220 33 21.1 25.2 21 428 6706 240 52 45.0 26.0 | 223 39 26.3 28.2 22 400 7210 225 53 37.5 37.5 | 205 44 18.7 39.7 23 377 7620 225 58 41.0 41.0 | 207 49 22.3 43.3 24 303 9144 220 68 43.7 52.1 | 205 60 25.0 54.3 25 300 9210 220 69 44.4 52.9 | 205 61 25.6 55.1 26 276 9754 220 78 50.1 59.8 | 207 69 31.4 62.0 27 251 10363 220 77 49.5 59.0 | 207 69 30.8 61.2 28 250 10400 220 83 53.4 63.6 | 208 74 34.6 65.8 29 240 10668 220 85 54.6 65.1 | 208 76 35.9 67.4 30 221 11173 230 101 77.4 64.9 | 221 89 58.6 67.2 31 216 11315 230 108 82.7 69.4 | 222 96 64.0 71.7 32 207 11582 230 108 82.7 69.4 | 222 96 64.0 71.7 33 200 11790 240 82 71.0 41.0 | 230 68 52.3 43.2 34 188 12192 235 62 50.8 35.6 | 220 50 32.1 37.8 35 179 12497 230 66 50.6 42.4 | 215 55 31.8 44.7 36 154 13411 240 47 40.7 23.5 | 220 34 22.0 25.7 37 150 13590 250 42 39.5 14.4 | 231 27 20.7 16.6 38 140 14021 255 37 35.7 9.6 | 235 21 17.0 11.8 39 127 14630 245 39 35.3 16.5 | 222 25 16.6 18.7 40 116 15240 260 34 33.5 5.9 | 241 17 14.8 8.1 41 105 15850 250 28 26.3 9.6 | 213 14 7.6 11.8 42 100 16150 260 26 25.6 4.5 | 225 10 6.9 6.8 43 95 16459 260 26 25.6 4.5 | 225 10 6.9 6.8 44 91 16764 275 27 26.9 -2.4 | 271 8 8.2 -0.1 45 87 17069 275 19 18.9 -1.7 | 199 1 0.2 0.6 46 83 17374 260 17 16.7 3.0 | 159 6 -2.0 5.2 47 79 17678 225 10 7.1 7.1 | 129 15 -11.7 9.3 48 75 17983 240 17 14.7 8.5 | 160 11 -4.0 10.7 49 71 18288 250 20 18.8 6.8 | 180 9 0.1 9.1 50 70 18420 260 9 8.9 1.6 | 111 11 -9.9 3.8 51 68 18593 280 12 11.8 -2.1 | 91 7 -6.9 0.2 52 65 18898 240 15 13.0 7.5 | 150 11 -5.7 9.7 53 62 19202 275 17 16.9 -1.5 | 113 2 -1.8 0.8 54 59 19507 225 12 8.5 8.5 | 136 15 -10.2 10.7 55 56 19812 320 14 9.0 -10.7 | 49 13 -9.7 -8.5 56 54 20117 330 10 5.0 -8.7 | 65 15 -13.7 -6.4 57 50 20570 130 4 -3.1 2.6 | 102 22 -21.8 4.8 58 44 21336 290 7 6.6 -2.4 | 89 12 -12.2 -0.1 59 42 21641 15 12 -3.1 -11.6 | 67 24 -21.8 -9.3 60 33 23165 140 10 -6.4 7.7 | 111 27 -25.2 9.9 61 30 23774 165 11 -2.8 10.6 | 121 25 -21.6 12.9 62 30 23860 255 3 2.9 0.8 | 101 16 -15.8 3.0 63 28 24384 0 0 -0.0 -0.0 | 97 19 -18.7 2.2 64 26 24689 50 10 -7.7 -6.4 | 81 27 -26.4 -4.2 65 24 25298 100 13 -12.8 2.3 | 98 32 -31.5 4.5 66 21 26213 105 10 -9.7 2.6 | 100 29 -28.4 4.8 67 20 26490 110 5 -4.7 1.7 | 100 24 -23.4 4.0 68 20 26518 115 14 -12.7 5.9 | 105 32 -31.4 8.2 69 17 27432 125 8 -6.6 4.6 | 105 26 -25.3 6.8 70 17 27737 110 10 -9.4 3.4 | 101 29 -28.1 5.7 71 16 28042 150 11 -5.5 9.5 | 116 27 -24.2 11.8 72 14 28956 160 2 -0.7 1.9 | 102 20 -19.4 4.1 73 13 29566 80 10 -9.8 -1.7 | 91 29 -28.6 0.5 74 12 29870 115 13 -11.8 5.5 | 104 31 -30.5 7.7 75 10 31060 155 16 -6.8 14.5 | 123 31 -25.5 16.7 Wind Parameters Mean winds (0-6000m): 246.8 at 25.2 knts Storm direction: 276.8 at 18.9 knts Shear (0-3000m) pos: 0.0 neg: 5.2 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 112.9 deg Storm rel helicity (0-3000m) pos: 60.2 neg: -15.8 tot: 44.4 m^2/s^2 ave: 14.8 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.23 Bulk Shear: 87.71 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 ------------------------------------------------------------------------------- 500 350 2 90 18| 0.0 4.2 4.2| 3.0 -4.6 -1.7 -3.4 -0.05| 4.6 -0.2 1000 293 4 93 15| 0.0 6.2 6.2| 12.8 -4.6 8.2 8.2 0.24| 6.5 1.6 1500 263 8 106 11| 0.0 7.4 7.4| 33.6 -4.6 29.0 19.3 0.54| 8.1 4.4 2000 255 12 125 9| 0.0 7.3 7.3| 51.2 -4.6 46.6 23.3 0.59| 8.1 4.8 2500 253 15 144 8| 0.0 6.2 6.2| 57.7 -8.5 49.2 19.7 0.53| 7.5 4.0 3000 251 17 162 8| 0.0 5.2 5.2| 60.2 -15.8 44.4 14.8 0.43| 7.3 3.1 4000 248 20 181 10| 0.0 4.1 4.1| 64.7 -29.0 35.6 8.9 0.34| 6.1 2.1 5000 245 22 186 12| 0.3 3.2 3.5| 72.5 -42.9 29.5 5.9 0.28| 5.6 1.6 6000 247 25 200 13| 1.6 3.2 4.8|168.4-135.3 33.1 5.5 0.23| 7.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20250428.00.gif