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 CYXY... Searching the city database file for: CYXY ... Date:1200Z 18 APR 25 Station: CYXY WMO ident: 71964 Latitude: 60.73 Longitude: -135.07 Elevation: 707.00 ------------------------------------------------------------------------------- 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 1 925 669 180 3 SFC 921 707 1.8 -2.0 76 3.8 0.2 180 3 281.5 282.1 277.4 291.6 3.58 3 851 1339 -1.1 -9.1 55 8.0 -3.9 225 30 284.9 285.3 277.4 291.4 2.25 4 850 1348 -1.1 -9.1 55 8.0 -3.9 225 30 285.0 285.4 277.4 291.6 2.25 5 821 1624 -3.5 -10.5 58 7.0 -5.8 222 33 285.3 285.7 277.3 291.4 2.09 6 813 1701 -3.9 -13.9 46 10.0 -7.0 221 34 285.7 286.0 276.9 290.4 1.60 7 722 2625 -11.7 -11.7 100 0.0 -11.7 215 24 287.0 287.4 278.3 293.3 2.16 8 721 2635 -11.7 -11.7 100 0.0 -11.7 215 23 287.1 287.5 278.3 293.5 2.16 9 700 2861 -13.3 -13.3 100 0.0 -13.3 210 23 287.8 288.1 278.4 293.6 1.96 10 568 4410 -26.1 -26.6 96 0.5 -26.2 226 33 290.4 290.6 278.0 292.8 0.76 11 557 4551 -27.1 -30.8 71 3.7 -27.6 227 36 290.9 291.0 277.9 292.6 0.53 12 542 4747 -28.7 -30.9 81 2.2 -29.0 229 41 291.3 291.3 278.1 293.0 0.54 13 527 4947 -30.1 -32.8 77 2.7 -30.4 232 46 291.9 292.0 278.3 293.4 0.46 14 525 4974 -30.3 -36.3 56 6.0 -30.9 233 47 292.0 292.1 278.2 293.1 0.33 15 517 5083 -30.7 -41.7 33 11.0 -31.6 237 51 292.8 292.8 278.3 293.4 0.19 16 501 5306 -31.5 -49.5 15 18.0 -32.6 240 54 294.5 294.5 279.0 294.8 0.08 17 500 5320 -31.5 -49.5 15 18.0 -32.6 240 54 294.6 294.6 279.0 294.9 0.08 18 438 6249 -36.1 -58.1 9 22.0 -37.0 232 45 300.2 300.2 281.4 300.3 0.03 19 437 6265 -31.1 -56.1 7 25.0 -32.5 231 45 306.7 306.7 284.1 306.9 0.04 20 428 6412 -31.1 -58.1 5 27.0 -32.6 220 45 308.5 308.5 284.8 308.7 0.04 21 400 6890 -33.5 -62.5 4 29.0 -34.8 225 56 311.4 311.5 285.9 311.5 0.02 22 349 7831 -40.9 -65.9 5 25.0 -41.6 227 75 313.8 313.8 286.7 313.9 0.02 23 330 8210 -42.2 -67.8 4 25.6 -42.9 220 89 317.1 317.1 287.8 317.1 0.01 24 318 8459 -43.1 -69.1 4 26.0 -43.7 224 84 319.2 319.3 288.5 319.3 0.01 25 300 8850 -44.5 -70.5 4 26.0 -45.1 230 75 322.6 322.6 289.6 322.7 0.01 26 251 10034 -48.7 -74.7 3 26.0 -49.1 215 76 333.3 333.3 292.6 333.3 0.01 27 250 10060 -48.5 -74.5 3 26.0 -49.0 215 76 334.0 334.0 292.8 334.0 0.01 28 236 10441 -46.7 -73.7 3 27.0 -47.3 215 66 342.2 342.2 294.8 342.3 0.01 29 202 11465 -50.3 -78.3 2 28.0 -50.8 210 62 352.1 352.1 297.1 352.1 0.00 30 200 11530 -49.7 -77.7 2 28.0 -50.2 210 62 354.1 354.1 297.5 354.1 0.00 31 189 11903 -48.7 -78.7 2 30.0 -49.3 215 65 361.5 361.5 299.0 361.5 0.00 32 155 13198 -53.3 -82.3 2 29.0 -53.7 224 50 374.7 374.7 301.4 374.7 0.00 33 150 13410 -51.9 -81.9 2 30.0 -52.4 220 52 380.6 380.6 302.3 380.7 0.00 34 149 13453 -51.7 -82.7 1 31.0 -52.2 216 50 381.7 381.7 302.5 381.7 0.00 35 148 13497 -48.7 -80.7 1 32.0 -49.4 216 50 387.6 387.6 303.5 387.7 0.00 36 145 13631 -47.3 -80.3 1 33.0 -48.2 219 52 392.3 392.3 304.1 392.4 0.00 37 142 13769 -48.5 -80.5 1 32.0 -49.3 222 50 392.6 392.6 304.2 392.6 0.00 38 139 13909 -47.5 -79.5 1 32.0 -48.4 228 42 396.8 396.8 304.8 396.8 0.01 39 120 14859 -55.7 -83.7 2 28.0 -56.1 290 12 398.8 398.8 305.0 398.8 0.00 40 116 15075 -53.7 -83.7 1 30.0 -54.2 241 7 406.4 406.4 306.0 406.4 0.00 41 107 15591 -54.9 -84.9 1 30.0 -55.4 190 17 413.6 413.6 306.9 413.6 0.00 42 102 15900 -48.7 -82.7 1 34.0 -49.7 215 27 431.2 431.2 309.0 431.2 0.00 43 100 16030 -49.1 -82.1 1 33.0 -50.1 215 31 432.9 432.9 309.1 432.9 0.00 44 93 16506 -49.9 -82.9 1 33.0 -50.9 232 28 440.4 440.4 309.9 440.4 0.00 45 88 16865 -52.9 -83.9 1 31.0 -53.7 242 24 441.4 441.4 310.0 441.4 0.00 46 79 17566 -50.3 -83.3 1 33.0 -51.4 250 26 460.6 460.6 311.8 460.6 0.00 47 70 18350 -53.9 -84.9 1 31.0 -54.8 275 19 469.1 469.1 312.5 469.1 0.00 48 68 18535 -54.3 -85.3 1 31.0 -55.1 279 18 472.1 472.1 312.8 472.1 0.00 49 65 18826 -49.9 -83.9 1 34.0 -51.3 265 18 487.9 487.9 314.1 487.9 0.01 50 56 19789 -53.9 -85.9 1 32.0 -54.9 223 10 500.0 500.0 314.9 500.0 0.00 51 53 20144 -51.1 -85.1 1 34.0 -52.5 269 20 514.4 514.4 315.9 514.4 0.01 52 50 20520 -52.9 -84.9 1 32.0 -54.2 215 10 518.8 518.8 316.2 518.8 0.01 53 44 21343 -54.1 -86.1 1 32.0 -55.4 238 4 535.2 535.2 317.2 535.2 0.01 54 42 21644 -50.5 -85.5 1 35.0 -52.4 191 9 551.3 551.3 318.2 551.3 0.01 55 33 23211 -52.5 -86.5 1 34.0 -54.4 120 5 585.3 585.3 319.9 585.4 0.01 56 30 23830 -50.9 -84.9 1 34.0 -53.3 65 2 605.9 605.9 320.9 605.9 0.01 57 20 26470 -50.3 -85.3 1 35.0 -53.7 90 7 682.2 682.2 323.9 682.3 0.01 58 18 27157 -50.7 -85.7 1 35.0 -54.2 64 11 701.8 701.8 324.5 701.9 0.01 59 16 27930 -47.3 -84.3 1 37.0 -52.3 98 8 737.0 737.0 325.6 737.1 0.02 60 14 28809 -49.9 -85.9 1 36.0 -54.4 133 7 756.8 756.8 326.1 757.0 0.02 61 12 29826 -45.9 -83.9 1 38.0 -52.5 122 13 805.1 805.1 327.4 805.4 0.03 TRP 251 10034 -48.7 -74.7 3 26.0 -49.1 215 76 333.3 333.3 292.6 333.3 0.01 WND 330 8210 -42.2 -67.8 4 25.6 -42.9 220 89 317.1 317.1 287.8 317.1 0.01 Sounding variables and indices 1000-500 mb thick: 5291.00 m Freezing level: 877.55 mb = 1099.06 m = 3605.80 ft Wetbulb zero: 917.66 mb = 736.01 m = 2414.69 ft Precipitable water: 0.29 inches Sfc-500 mean rel hum: 77.78 % Est. max temperature: 6.48 C = 43.66 F Sfc-Lift cond lev (LCL): 868.15 mb = 1179.18 m = 3868.67 ft T: -0.37 C 700-500 lapse rate: 7.40 C/km ThetaE index: 1.12 C Layer 821.0- 722.0 mb Conv cond level (CCL): 760.04 mb = 2225.11 m = 7300.13 ft Mean mixing ratio: 2.68 g/kg Conv temperature: 6.63 C = 43.94 F Cap Strength: 3.46 C Lifted Index: 3.58 C Risk: None Lifted Index @300 mb: 22.10 C Lifted Index @700 mb: 1.33 C Showalter Index: 3.58 C Risk: None Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.40 C Cross Totals Index: 22.40 C K Index: 21.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 247.35 Risk: None Energy Index: 0.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.67 J/kg Max Up Vert Vel: 5.23 m/s Conv Inhibition (B-): 56338.52 J/kg Cap Strength: 3.58 C Lift Cond Lev (LCL): 790.08 mb = 1923.48 m = 6310.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 26 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 ---------------------------------------------------------- 0 921 707 180 3 0.0 3.0 | 86 26 -25.9 -1.6 1 897 914 205 20 8.5 18.1 | 128 22 -17.4 13.5 2 864 1219 225 29 20.5 20.5 | 161 17 -5.4 15.9 3 850 1348 225 30 21.2 21.2 | 164 17 -4.7 16.6 4 799 1829 220 35 22.5 26.8 | 171 22 -3.4 22.2 5 768 2134 225 33 23.3 23.3 | 172 19 -2.5 18.7 6 739 2438 215 26 14.9 21.3 | 147 20 -11.0 16.7 7 711 2743 215 22 12.6 18.0 | 135 19 -13.2 13.4 8 700 2861 210 23 11.5 19.9 | 137 21 -14.4 15.3 9 628 3658 235 25 20.5 14.3 | 151 11 -5.4 9.7 10 577 4267 225 30 21.2 21.2 | 164 17 -4.7 16.6 11 531 4877 230 44 33.7 28.3 | 198 25 7.8 23.6 12 510 5182 240 55 47.6 27.5 | 224 32 21.8 22.9 13 500 5320 240 54 46.8 27.0 | 223 31 20.9 22.4 14 468 5791 250 52 48.9 17.8 | 240 26 23.0 13.1 15 448 6096 245 46 41.7 19.4 | 227 22 15.8 14.8 16 429 6401 220 45 28.9 34.5 | 186 30 3.1 29.8 17 400 6890 225 56 39.6 39.6 | 201 38 13.7 35.0 18 360 7620 230 67 51.3 43.1 | 214 46 25.5 38.4 19 330 8210 220 89 57.2 68.2 | 206 71 31.3 63.5 20 329 8230 220 89 57.2 68.2 | 206 71 31.3 63.5 21 300 8850 230 75 57.5 48.2 | 216 54 31.6 43.6 22 287 9144 230 71 54.4 45.6 | 215 50 28.5 41.0 23 274 9449 230 67 51.3 43.1 | 214 46 25.5 38.4 24 251 10034 215 76 43.6 62.3 | 197 60 17.7 57.6 25 250 10058 215 79 45.3 64.7 | 198 63 19.4 60.1 26 250 10060 215 76 43.6 62.3 | 197 60 17.7 57.6 27 228 10668 215 60 34.4 49.1 | 191 45 8.5 44.5 28 200 11530 210 62 31.0 53.7 | 186 49 5.1 49.0 29 198 11582 210 60 30.0 52.0 | 185 47 4.1 47.3 30 189 11887 215 65 37.3 53.2 | 193 50 11.4 48.6 31 165 12802 230 46 35.2 29.6 | 201 27 9.4 24.9 32 150 13410 220 52 33.4 39.8 | 192 36 7.6 35.2 33 150 13411 215 49 28.1 40.1 | 184 36 2.2 35.5 34 143 13716 220 53 34.1 40.6 | 193 37 8.2 36.0 35 130 14326 245 17 15.4 7.2 | 104 11 -10.5 2.5 36 124 14630 290 16 15.0 -5.5 | 47 15 -10.8 -10.1 37 118 14935 290 10 9.4 -3.4 | 64 18 -16.5 -8.1 38 113 15240 180 3 0.0 3.0 | 86 26 -25.9 -1.6 39 108 15545 185 15 1.3 14.9 | 113 27 -24.6 10.3 40 103 15850 215 25 14.3 20.5 | 144 20 -11.5 15.8 41 100 16030 215 31 17.8 25.4 | 159 22 -8.1 20.8 42 98 16154 215 31 17.8 25.4 | 159 22 -8.1 20.8 43 89 16764 245 26 23.6 11.0 | 160 7 -2.3 6.3 44 81 17374 225 11 7.8 7.8 | 100 18 -18.1 3.1 45 78 17678 265 35 34.9 3.1 | 280 9 9.0 -1.6 46 71 18288 265 16 15.9 1.4 | 72 10 -9.9 -3.2 47 70 18350 275 19 18.9 -1.7 | 48 9 -6.9 -6.3 48 67 18593 280 18 17.7 -3.1 | 46 11 -8.1 -7.8 49 64 18898 260 18 17.7 3.1 | 79 8 -8.1 -1.5 50 61 19202 300 10 8.7 -5.0 | 61 20 -17.2 -9.6 51 56 19812 220 10 6.4 7.7 | 99 20 -19.4 3.0 52 53 20117 265 21 20.9 1.8 | 60 6 -4.9 -2.8 53 51 20422 315 10 7.1 -7.1 | 58 22 -18.8 -11.7 54 50 20520 215 10 5.7 8.2 | 100 20 -20.1 3.5 55 48 20726 215 10 5.7 8.2 | 100 20 -20.1 3.5 56 46 21031 255 10 9.7 2.6 | 83 16 -16.2 -2.1 57 44 21336 240 4 3.5 2.0 | 83 23 -22.4 -2.6 58 40 21946 145 13 -7.5 10.6 | 100 34 -33.3 6.0 59 38 22250 205 10 4.2 9.1 | 102 22 -21.6 4.4 60 30 23830 65 2 -1.8 -0.8 | 79 28 -27.7 -5.5 61 28 24384 0 0 -0.0 -0.0 | 80 26 -25.9 -4.6 62 25 24994 125 10 -8.2 5.7 | 92 34 -34.1 1.1 63 24 25298 160 11 -3.8 10.3 | 101 30 -29.6 5.7 64 20 26470 90 7 -7.0 0.0 | 82 33 -32.9 -4.6 65 18 26822 60 11 -9.5 -5.5 | 74 37 -35.4 -10.1 66 14 27432 135 6 -4.2 4.2 | 89 30 -30.1 -0.4 67 12 28042 120 14 -12.1 7.0 | 94 38 -38.0 2.4 68 10 28651 90 14 -14.0 0.0 | 83 40 -39.9 -4.6 69 8 29261 90 13 -13.0 0.0 | 83 39 -38.9 -4.6 70 7 29566 120 21 -18.2 10.5 | 98 44 -44.1 5.9 71 6 29870 170 10 -1.7 9.8 | 101 28 -27.6 5.2 Wind Parameters Mean winds (0-6000m): 229.8 at 35.0 knts Storm direction: 259.8 at 26.3 knts Shear (0-3000m) pos: 5.0 neg: 1.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 66.4 deg Storm rel helicity (0-3000m) pos: 203.2 neg: -62.0 tot: 141.2 m^2/s^2 ave: 47.1 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 10.9 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.33 Bulk Shear: 41.87 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 ------------------------------------------------------------------------------- 500 213 19 126 19| 27.3 0.0 27.3|163.4 0.0 163.4 326.8 0.95| 30.6 28.9 1000 220 25 146 18| 13.7 2.7 16.4|179.2 0.0 179.2 179.2 0.89| 18.2 16.2 1500 221 28 155 18| 8.3 1.8 10.2|183.8 -10.9 172.9 115.3 0.72| 14.3 10.3 2000 220 28 154 18| 6.2 1.5 7.8|183.8 -61.2 122.6 61.3 0.39| 13.3 5.2 2500 219 27 151 19| 5.4 1.2 6.6|194.4 -62.0 132.4 53.0 0.39| 11.8 4.6 3000 221 26 150 18| 5.0 1.0 6.0|203.2 -62.0 141.2 47.1 0.39| 10.9 4.2 4000 223 27 155 17| 5.1 1.0 6.1|259.1 -62.0 197.1 49.3 0.45| 10.3 4.7 5000 228 32 174 17| 5.7 0.8 6.5|421.3 -63.7 357.6 71.5 0.55| 11.0 6.0 6000 230 35 183 18| 4.7 2.6 7.3|478.2-216.4 261.9 43.6 0.30| 12.2 3.6 Wrote GIF file: /home/apache/climate/data/raob//CYXY/skewt/CYXY.skewt.20250418.12.gif