UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for CYJT... Searching the city database file for: CYJT ... Date:0000Z 17 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 -49 SFC 987 57 6.2 1.9 74 4.3 4.2 145 5 280.4 281.2 278.0 292.7 4.44 2 929 553 3.2 0.6 83 2.6 2.0 192 34 282.2 283.0 278.7 294.2 4.30 3 925 588 4.2 -0.0 74 4.2 2.3 195 35 283.6 284.3 279.2 295.2 4.13 4 917 659 5.8 -1.2 61 7.0 2.7 194 36 285.9 286.6 279.9 296.8 3.82 5 914 686 5.8 -1.2 61 7.0 2.7 194 37 286.2 286.9 280.1 297.2 3.83 6 852 1256 0.8 -1.5 85 2.3 -0.2 195 42 286.8 287.5 280.6 298.3 4.02 7 850 1275 0.6 -2.4 80 3.0 -0.7 195 42 286.8 287.4 280.3 297.6 3.77 8 846 1313 0.6 -3.8 72 4.4 -1.2 196 42 287.2 287.8 280.0 297.0 3.41 9 777 1988 -5.5 -8.4 80 2.9 -6.5 203 42 287.7 288.1 279.2 295.3 2.61 10 702 2777 -10.5 -10.5 100 0.0 -10.5 200 39 290.6 291.1 280.4 297.9 2.45 11 700 2799 -10.7 -10.7 100 0.0 -10.7 200 39 290.6 291.1 280.4 297.8 2.41 12 676 3066 -12.7 -12.7 100 0.0 -12.7 198 46 291.3 291.7 280.3 297.7 2.13 13 674 3089 -13.1 -15.4 83 2.3 -13.7 197 46 291.1 291.4 279.7 296.3 1.71 14 673 3100 -12.7 -17.7 66 5.0 -14.0 197 47 291.7 291.9 279.6 296.0 1.41 15 670 3135 -12.5 -19.5 56 7.0 -14.2 197 47 292.3 292.5 279.6 296.0 1.22 16 631 3595 -10.3 -49.3 2 39.0 -15.1 199 50 299.8 299.9 281.4 300.1 0.07 17 528 4939 -21.5 -42.5 13 21.0 -23.8 196 61 302.1 302.1 282.5 302.7 0.17 18 500 5340 -22.7 -53.7 4 31.0 -25.2 205 69 305.4 305.4 283.6 305.6 0.05 19 488 5517 -23.7 -55.7 4 32.0 -26.1 205 70 306.3 306.3 284.0 306.4 0.04 20 465 5868 -25.1 -59.1 3 34.0 -27.3 205 71 308.8 308.8 284.9 308.9 0.03 21 400 6940 -34.3 -52.3 14 18.0 -35.3 210 73 310.4 310.4 285.6 310.7 0.08 22 379 7315 -37.4 -54.4 15 16.9 -38.2 205 80 311.1 311.1 285.8 311.3 0.06 23 344 7977 -43.1 -58.1 18 15.0 -43.6 206 76 312.2 312.2 286.1 312.3 0.04 24 318 8503 -46.3 -66.3 9 20.0 -46.7 208 74 314.8 314.8 287.1 314.9 0.02 25 300 8890 -46.7 -70.7 5 24.0 -47.1 210 72 319.5 319.5 288.6 319.6 0.01 26 265 9709 -49.5 -74.5 4 25.0 -49.9 195 69 327.0 327.0 290.9 327.0 0.01 27 254 9986 -50.1 -76.1 3 26.0 -50.5 200 71 330.1 330.1 291.7 330.1 0.00 28 250 10090 -49.7 -75.7 3 26.0 -50.1 200 73 332.2 332.2 292.3 332.2 0.01 29 244 10249 -49.7 -77.7 2 28.0 -50.1 200 76 334.5 334.5 292.9 334.5 0.00 30 235 10497 -46.1 -79.1 1 33.0 -46.7 202 74 343.6 343.6 295.2 343.6 0.00 31 228 10698 -45.1 -79.1 1 34.0 -45.8 205 69 348.1 348.1 296.2 348.1 0.00 32 203 11471 -46.9 -80.9 1 34.0 -47.6 205 54 357.0 357.0 298.1 357.0 0.00 33 200 11570 -45.9 -80.9 1 35.0 -46.7 205 52 360.1 360.1 298.7 360.1 0.00 34 188 11982 -45.5 -80.5 1 35.0 -46.3 200 59 367.2 367.2 300.1 367.2 0.00 35 150 13480 -47.5 -82.5 1 35.0 -48.3 220 58 388.2 388.2 303.5 388.2 0.00 36 149 13524 -47.5 -82.5 1 35.0 -48.3 220 57 389.0 389.0 303.6 389.0 0.00 37 133 14276 -45.3 -82.3 1 37.0 -46.4 208 46 405.7 405.7 306.0 405.7 0.00 38 100 16130 -55.5 -86.5 1 31.0 -56.0 210 50 420.5 420.5 307.8 420.5 0.00 39 90 16800 -57.1 -87.1 1 30.0 -57.6 206 35 430.2 430.2 308.9 430.2 0.00 40 75 17972 -51.1 -85.1 1 34.0 -52.2 205 29 465.8 465.8 312.3 465.8 0.00 41 70 18420 -52.3 -85.3 1 33.0 -53.3 170 28 472.5 472.5 312.8 472.5 0.00 42 61 19311 -50.5 -85.5 1 35.0 -51.9 187 24 495.5 495.5 314.6 495.5 0.00 43 51 20464 -55.3 -87.3 1 32.0 -56.3 205 15 510.3 510.3 315.7 510.3 0.00 44 50 20590 -54.5 -86.5 1 32.0 -55.6 190 22 515.0 515.0 316.0 515.1 0.00 45 47 20987 -52.7 -85.7 1 33.0 -54.1 193 22 528.6 528.6 316.8 528.6 0.01 46 36 22690 -56.3 -88.3 1 32.0 -57.5 163 15 561.1 561.1 318.7 561.1 0.00 47 30 23850 -54.7 -87.7 1 33.0 -56.3 125 17 595.5 595.5 320.4 595.6 0.01 48 20 26460 -51.7 -86.7 1 35.0 -54.7 110 14 677.9 677.9 323.7 678.0 0.01 49 19 26793 -51.7 -85.7 1 34.0 -54.8 133 16 687.9 687.9 324.0 688.0 0.01 TRP 265 9709 -49.5 -74.5 4 25.0 -49.9 195 69 327.0 327.0 290.9 327.0 0.01 WND 379 7315 -37.4 -54.4 15 16.9 -38.2 205 80 311.1 311.1 285.8 311.3 0.06 Sounding variables and indices 1000-500 mb thick: 5389.00 m Freezing level: 839.21 mb = 1379.27 m = 4525.10 ft Wetbulb zero: 856.63 mb = 1212.06 m = 3976.53 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 51.75 % Est. max temperature: 13.01 C = 55.42 F Sfc-Lift cond lev (LCL): 923.91 mb = 597.61 m = 1960.64 ft T: 4.42 C 700-500 lapse rate: 4.72 C/km ThetaE index: 2.98 C Layer 850.0- 702.0 mb Conv cond level (CCL): 821.61 mb = 1545.04 m = 5068.96 ft Mean mixing ratio: 4.17 g/kg Conv temperature: 13.13 C = 55.64 F Cap Strength: 8.08 C Lifted Index: 9.86 C Risk: None Lifted Index @300 mb: 17.50 C Lifted Index @700 mb: 1.76 C Showalter Index: 7.98 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.30 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 153.00 Risk: None Energy Index: 1.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.41 J/kg Max Up Vert Vel: 8.17 m/s Conv Inhibition (B-): 51395.80 J/kg Cap Strength: 9.55 C Lift Cond Lev (LCL): 873.66 mb = 1052.25 m = 3452.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 229 at 37 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 ---------------------------------------------------------- 0 987 57 145 5 -2.9 4.1 | 57 37 -30.8 -20.0 1 958 305 170 23 -4.0 22.7 | 87 32 -31.9 -1.4 2 925 588 195 35 9.1 33.8 | 117 21 -18.8 9.7 3 923 610 195 36 9.3 34.8 | 120 21 -18.6 10.7 4 889 914 190 39 6.8 38.4 | 124 26 -21.1 14.3 5 856 1219 195 41 10.6 39.6 | 132 23 -17.3 15.5 6 850 1275 195 42 10.9 40.6 | 134 24 -17.0 16.5 7 823 1524 200 44 15.0 41.3 | 143 22 -12.9 17.3 8 792 1829 205 42 17.7 38.1 | 144 17 -10.2 14.0 9 762 2134 200 42 14.4 39.5 | 139 21 -13.5 15.4 10 733 2438 205 39 16.5 35.3 | 135 16 -11.4 11.3 11 705 2743 200 39 13.3 36.6 | 131 19 -14.6 12.6 12 700 2799 200 39 13.3 36.6 | 131 19 -14.6 12.6 13 651 3353 195 53 13.7 51.2 | 152 31 -14.2 27.1 14 625 3658 200 49 16.8 46.0 | 153 25 -11.1 22.0 15 576 4267 200 59 20.2 55.4 | 166 32 -7.7 31.4 16 532 4877 195 60 15.5 58.0 | 160 36 -12.4 33.9 17 500 5340 205 69 29.2 62.5 | 182 38 1.3 38.5 18 450 6096 205 72 30.4 65.3 | 184 41 2.5 41.2 19 400 6940 210 73 36.5 63.2 | 192 40 8.6 39.1 20 379 7315 205 80 33.8 72.5 | 187 49 5.9 48.4 21 379 7315 205 80 33.8 72.5 | 187 49 5.9 48.4 22 362 7620 205 78 33.0 70.7 | 186 47 5.1 46.6 23 300 8890 210 72 36.0 62.4 | 192 39 8.1 38.3 24 289 9144 205 72 30.4 65.3 | 184 41 2.5 41.2 25 265 9709 195 69 17.9 66.6 | 167 44 -10.0 42.6 26 263 9754 200 66 22.6 62.0 | 172 38 -5.3 37.9 27 250 10090 200 73 25.0 68.6 | 176 45 -2.9 44.5 28 240 10363 200 78 26.7 73.3 | 179 49 -1.2 49.2 29 229 10668 205 70 29.6 63.4 | 182 39 1.7 39.4 30 200 11570 205 52 22.0 47.1 | 166 24 -5.9 23.1 31 200 11582 210 51 25.5 44.2 | 173 20 -2.4 20.1 32 182 12192 195 64 16.6 61.8 | 163 39 -11.3 37.7 33 174 12497 205 76 32.1 68.9 | 185 45 4.2 44.8 34 166 12802 215 73 41.9 59.8 | 201 38 14.0 35.7 35 150 13480 220 58 37.3 44.4 | 205 22 9.4 20.4 36 145 13716 220 52 33.4 39.8 | 199 17 5.5 15.8 37 126 14630 200 42 14.4 39.5 | 139 21 -13.5 15.4 38 115 15240 195 54 14.0 52.2 | 154 31 -13.9 28.1 39 109 15545 195 59 15.3 57.0 | 159 35 -12.6 32.9 40 100 16130 210 50 25.0 43.3 | 171 19 -2.9 19.2 41 95 16459 210 50 25.0 43.3 | 171 19 -2.9 19.2 42 91 16764 205 34 14.4 30.8 | 116 15 -13.5 6.7 43 86 17069 215 41 23.5 33.6 | 155 10 -4.4 9.5 44 82 17374 205 49 20.7 44.4 | 161 22 -7.2 20.3 45 79 17678 215 35 20.1 28.7 | 120 9 -7.8 4.6 46 71 18288 195 22 5.7 21.3 | 83 22 -22.2 -2.8 47 70 18420 170 28 -4.9 27.6 | 96 33 -32.8 3.5 48 68 18593 165 23 -6.0 22.2 | 87 34 -33.9 -1.9 49 62 19202 185 32 2.8 31.9 | 107 26 -25.1 7.8 50 59 19507 190 9 1.6 8.9 | 60 30 -26.3 -15.2 51 56 19812 185 13 1.1 13.0 | 67 29 -26.8 -11.1 52 51 20422 210 13 6.5 11.3 | 59 25 -21.4 -12.8 53 50 20590 190 22 3.8 21.7 | 84 24 -24.1 -2.4 54 49 20726 180 25 0.0 25.0 | 92 28 -27.9 0.9 55 47 21031 195 21 5.4 20.3 | 80 23 -22.5 -3.8 56 44 21336 145 9 -5.2 7.4 | 63 37 -33.1 -16.7 57 42 21641 115 14 -12.7 5.9 | 66 44 -40.6 -18.2 58 40 21946 155 14 -5.9 12.7 | 71 36 -33.8 -11.4 59 39 22250 140 13 -8.4 10.0 | 69 39 -36.3 -14.1 60 37 22555 185 14 1.2 13.9 | 69 29 -26.7 -10.1 61 35 22860 135 17 -12.0 12.0 | 73 42 -39.9 -12.1 62 33 23165 150 18 -9.0 15.6 | 77 38 -36.9 -8.5 63 32 23470 160 16 -5.5 15.0 | 75 35 -33.4 -9.0 64 30 23850 125 17 -13.9 9.8 | 71 44 -41.8 -14.3 65 29 24079 120 16 -13.9 8.0 | 69 45 -41.8 -16.1 66 26 24689 90 14 -14.0 0.0 | 60 48 -41.9 -24.1 67 23 25603 115 25 -22.7 10.6 | 75 52 -50.6 -13.5 68 22 25908 140 22 -14.1 16.9 | 80 43 -42.0 -7.2 69 20 26460 110 14 -13.2 4.8 | 65 45 -41.1 -19.3 70 20 26518 145 16 -9.2 13.1 | 74 39 -37.1 -11.0 71 18 26822 110 15 -14.1 5.1 | 66 46 -42.0 -18.9 72 16 27127 105 20 -19.3 5.2 | 68 51 -47.2 -18.9 Wind Parameters Mean winds (0-6000m): 199.2 at 49.1 knts Storm direction: 229.2 at 36.9 knts Shear (0-3000m) pos: 6.3 neg: 1.3 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 86.9 deg Storm rel helicity (0-3000m) pos: 358.0 neg: -20.3 tot: 337.7 m^2/s^2 ave: 112.6 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 12.1 stream: 7.5 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.27 Bulk Shear: 122.65 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 ------------------------------------------------------------------------------- 500 177 21 84 29| 31.4 0.0 31.4|254.7 0.0 254.7 509.4 0.89| 35.4 31.4 1000 187 30 102 25| 18.9 0.0 18.9|290.9 0.0 290.9 290.9 0.86| 21.9 18.8 1500 191 34 113 23| 14.1 0.0 14.1|329.7 0.0 329.7 219.8 0.86| 17.1 14.7 2000 195 36 120 22| 10.1 0.0 10.1|330.6 -6.4 324.2 162.1 0.75| 14.3 10.7 2500 196 37 123 21| 7.5 0.0 7.5|330.6 -16.8 313.8 125.5 0.64| 12.7 8.1 3000 197 38 125 21| 6.3 1.3 7.6|358.0 -20.3 337.7 112.6 0.62| 12.1 7.5 4000 197 41 134 22| 6.0 1.0 7.0|420.2 -20.3 399.9 100.0 0.58| 11.7 6.7 5000 198 45 142 24| 5.3 1.3 6.5|486.7 -51.9 434.9 87.0 0.54| 10.8 5.8 6000 199 49 152 25| 5.0 1.2 6.2|585.3 -51.9 533.5 88.9 0.57| 10.0 5.7 Wrote GIF file: /home/apache/climate/data/raob//CYJT/skewt/CYJT.skewt.20250417.00.gif