UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 30 APR 25 Station: CYAH WMO ident: 71823 Latitude: 53.75 Longitude: -73.68 Elevation: 306.00 ------------------------------------------------------------------------------- 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 19 SFC 965 306 -1.5 -3.0 89 1.5 -2.1 355 10 274.4 275.0 272.9 283.1 3.17 2 925 638 -4.9 -5.6 95 0.7 -5.1 355 18 274.3 274.8 272.2 281.8 2.72 3 873 1090 -8.3 -8.4 99 0.1 -8.4 18 18 275.3 275.7 272.2 281.8 2.32 4 850 1298 -7.5 -7.5 100 0.0 -7.5 20 12 278.3 278.7 274.3 285.5 2.56 5 777 2000 -5.7 -6.8 92 1.1 -6.1 340 16 287.5 288.0 279.6 296.0 2.95 6 749 2287 -6.7 -7.6 93 0.9 -7.0 323 15 289.4 289.9 280.4 297.8 2.88 7 700 2813 -9.3 -9.8 96 0.5 -9.5 290 15 292.2 292.6 281.3 299.9 2.59 8 608 3888 -15.5 -17.3 86 1.8 -16.0 268 27 297.1 297.3 282.2 302.1 1.62 9 517 5102 -19.1 -19.9 93 0.8 -19.3 240 42 306.8 307.1 285.9 311.7 1.52 10 500 5350 -20.7 -21.1 97 0.4 -20.8 240 46 307.8 308.1 286.2 312.4 1.42 11 499 5365 -20.7 -21.0 97 0.3 -20.8 240 46 308.0 308.2 286.3 312.7 1.44 12 461 5948 -23.3 -25.6 81 2.3 -23.8 244 55 311.8 312.0 287.2 315.3 1.03 13 405 6882 -30.5 -33.1 78 2.6 -30.9 241 62 314.2 314.3 287.5 316.3 0.58 14 400 6970 -31.3 -33.4 82 2.1 -31.6 240 62 314.3 314.4 287.5 316.3 0.57 15 386 7221 -33.5 -35.1 85 1.6 -33.7 242 63 314.6 314.7 287.6 316.4 0.50 16 369 7536 -35.7 -40.6 61 4.9 -36.1 244 65 315.8 315.9 287.7 316.9 0.30 17 358 7746 -37.5 -40.2 76 2.7 -37.7 245 65 316.1 316.2 287.9 317.3 0.32 18 344 8020 -39.9 -44.1 64 4.2 -40.2 243 65 316.5 316.5 287.9 317.3 0.22 19 330 8302 -42.3 -44.8 76 2.5 -42.5 242 66 317.0 317.0 288.0 317.8 0.21 20 327 8364 -42.9 -46.5 68 3.6 -43.1 242 66 317.0 317.0 288.0 317.7 0.18 21 324 8426 -43.1 -48.1 58 5.0 -43.3 242 66 317.5 317.6 288.1 318.1 0.15 22 317 8573 -44.3 -49.3 57 5.0 -44.5 241 66 317.9 317.9 288.2 318.4 0.13 23 300 8940 -47.3 -51.4 63 4.1 -47.4 235 64 318.7 318.7 288.5 319.1 0.11 24 294 9073 -48.5 -51.8 68 3.3 -48.6 235 64 318.8 318.9 288.5 319.2 0.11 25 291 9141 -48.3 -54.3 50 6.0 -48.5 235 64 320.1 320.1 288.9 320.4 0.08 26 276 9488 -50.9 -52.7 81 1.8 -51.0 238 62 321.2 321.2 289.2 321.6 0.10 27 267 9704 -52.1 -56.4 60 4.3 -52.2 240 61 322.5 322.5 289.6 322.8 0.07 28 264 9777 -51.7 -58.7 43 7.0 -51.9 240 59 324.1 324.1 290.0 324.3 0.05 29 256 9976 -52.5 -60.5 37 8.0 -52.7 240 66 325.8 325.8 290.6 326.0 0.04 30 250 10130 -52.3 -67.3 15 15.0 -52.5 240 72 328.3 328.3 291.3 328.4 0.02 31 249 10156 -51.9 -67.9 13 16.0 -52.2 239 72 329.3 329.3 291.5 329.4 0.02 32 242 10341 -51.1 -69.8 9 18.8 -51.4 235 76 333.2 333.2 292.6 333.3 0.01 33 239 10423 -50.7 -70.7 8 20.0 -51.1 236 75 335.0 335.0 293.0 335.0 0.01 34 224 10847 -48.9 -74.9 3 26.0 -49.4 241 71 344.0 344.0 295.3 344.0 0.01 35 203 11493 -50.3 -79.3 2 29.0 -50.8 244 66 351.6 351.6 297.0 351.6 0.00 36 200 11590 -50.1 -79.1 2 29.0 -50.6 245 65 353.4 353.4 297.4 353.4 0.00 37 193 11823 -48.9 -79.9 2 31.0 -49.5 247 62 359.0 359.0 298.5 359.0 0.00 38 165 12849 -49.3 -82.3 1 33.0 -49.9 257 50 374.8 374.8 301.4 374.8 0.00 39 150 13470 -50.7 -82.7 1 32.0 -51.3 250 47 382.7 382.7 302.7 382.7 0.00 40 140 13919 -52.1 -84.1 1 32.0 -52.7 250 47 387.9 387.9 303.5 387.9 0.00 41 109 15542 -52.3 -84.3 1 32.0 -52.9 265 40 416.3 416.3 307.3 416.3 0.00 42 107 15662 -51.7 -84.7 1 33.0 -52.4 267 38 419.6 419.6 307.7 419.6 0.00 43 100 16100 -53.3 -85.3 1 32.0 -53.9 245 37 424.7 424.7 308.3 424.8 0.00 44 92 16633 -53.9 -85.9 1 32.0 -54.6 250 37 433.8 433.8 309.3 433.8 0.00 45 81 17451 -51.9 -84.9 1 33.0 -52.8 270 35 454.0 454.0 311.3 454.0 0.00 46 70 18390 -53.1 -86.1 1 33.0 -54.0 275 30 470.8 470.8 312.7 470.8 0.00 47 57 19713 -54.1 -87.1 1 33.0 -55.1 258 19 497.0 497.0 314.7 497.0 0.00 48 50 20560 -51.7 -86.7 1 35.0 -53.1 280 11 521.6 521.6 316.4 521.7 0.00 49 47 20961 -52.5 -86.5 1 34.0 -53.9 276 11 529.0 529.0 316.9 529.1 0.00 50 30 23870 -51.3 -87.3 1 36.0 -53.6 185 9 604.8 604.8 320.8 604.8 0.01 51 20 26500 -51.3 -87.3 1 36.0 -54.4 25 5 679.1 679.2 323.7 679.2 0.01 52 18 27184 -52.3 -87.3 1 35.0 -55.4 70 7 696.8 696.8 324.3 696.8 0.01 53 10 31060 -44.1 -84.1 0 40.0 -52.2 355 17 854.9 854.9 328.5 855.2 0.03 54 9.3 31549 -42.3 -83.3 0 41.0 -51.7 879.7 879.7 329.0 880.1 0.04 55 8.6 32075 -44.5 -84.5 0 40.0 -53.1 891.1 891.1 329.2 891.4 0.04 56 6.7 33765 -39.7 -80.7 0 41.0 -52.1 977.1 977.1 330.8 978.1 0.09 57 5.9 34646 -33.7 -77.7 0 44.0 -50.6 1039.3 1039.4 331.8 1041.3 0.16 58 5.5 35138 -34.1 -77.1 0 43.0 -51.1 1058.6 1058.8 332.1 1061.1 0.19 TRP 267 9704 -52.1 -56.4 60 4.3 -52.2 240 61 322.5 322.5 289.6 322.8 0.07 WND 242 10341 -51.1 -69.8 9 18.8 -51.4 235 76 333.2 333.2 292.6 333.3 0.01 Sounding variables and indices 1000-500 mb thick: 5331.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.49 inches Sfc-500 mean rel hum: 93.01 % Est. max temperature: 6.54 C = 43.76 F Sfc-Lift cond lev (LCL): 942.45 mb = 491.42 m = 1612.24 ft T: -3.40 C 700-500 lapse rate: 4.49 C/km ThetaE index: 1.33 C Layer 925.0- 873.0 mb Conv cond level (CCL): 905.91 mb = 801.06 m = 2628.11 ft Mean mixing ratio: 2.67 g/kg Conv temperature: -1.25 C = 29.75 F Cap Strength: 21.08 C Lifted Index: 21.58 C Risk: None Lifted Index @300 mb: 25.92 C Lifted Index @700 mb: 11.83 C Showalter Index: 18.95 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 13.20 C Cross Totals Index: 13.20 C K Index: 5.20 Risk: None Sweat Index: 70.00 Risk: None Energy Index: 5.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.65 J/kg Max Up Vert Vel: 3.65 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 21.43 C Lift Cond Lev (LCL): 905.09 mb = 808.07 m = 2651.12 ft Lev Free Conv (LFC): 900.09 mb = 851.37 m = 2793.19 ft Equ Level (EL): 870.09 mb = 1116.25 m = 3662.18 ft B at Equ Level: 5.86 J/kg Max Parcel Lev (MPL): 850.09 mb = 1297.14 m = 4255.67 ft Wind level data Storm motion: 299 at 21 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 ---------------------------------------------------------- 0 965 306 355 10 0.9 -10.0 | 90 17 -17.2 0.0 1 928 610 355 18 1.6 -17.9 | 64 18 -16.5 -8.0 2 925 638 355 18 1.6 -17.9 | 64 18 -16.5 -8.0 3 893 914 15 20 -5.2 -19.3 | 68 25 -23.3 -9.3 4 859 1219 20 16 -5.5 -15.0 | 78 24 -23.6 -5.1 5 850 1298 20 12 -4.1 -11.3 | 87 22 -22.2 -1.3 6 826 1524 360 16 -0.0 -16.0 | 72 19 -18.1 -6.0 7 794 1829 340 16 5.5 -15.0 | 68 14 -12.6 -5.1 8 764 2134 340 16 5.5 -15.0 | 68 14 -12.6 -5.1 9 734 2438 305 14 11.5 -8.0 | 106 7 -6.6 1.9 10 706 2743 290 14 13.2 -4.8 | 136 7 -4.9 5.2 11 700 2813 290 15 14.1 -5.1 | 140 6 -4.0 4.8 12 652 3353 275 18 17.9 -1.6 | 179 8 -0.2 8.4 13 626 3658 270 24 24.0 -0.0 | 211 12 5.9 10.0 14 577 4267 265 31 30.9 2.7 | 225 18 12.8 12.7 15 532 4877 255 38 36.7 9.8 | 223 27 18.6 19.8 16 511 5182 235 44 36.0 25.2 | 207 40 17.9 35.2 17 500 5350 240 46 39.8 23.0 | 213 39 21.7 33.0 18 451 6096 245 58 52.6 24.5 | 225 49 34.5 34.5 19 400 6970 240 62 53.7 31.0 | 221 54 35.6 41.0 20 364 7620 245 65 58.9 27.5 | 227 55 40.8 37.4 21 304 8839 240 66 57.2 33.0 | 222 58 39.1 43.0 22 300 8940 235 64 52.4 36.7 | 216 58 34.3 46.7 23 291 9144 235 64 52.4 36.7 | 216 58 34.3 46.7 24 267 9704 240 61 52.8 30.5 | 221 53 34.7 40.5 25 265 9754 240 58 50.2 29.0 | 220 51 32.1 39.0 26 250 10130 240 72 62.4 36.0 | 224 64 44.3 46.0 27 242 10341 235 76 62.3 43.6 | 220 69 44.2 53.6 28 241 10363 235 76 62.3 43.6 | 220 69 44.2 53.6 29 230 10668 240 73 63.2 36.5 | 224 65 45.1 46.5 30 200 11590 245 65 58.9 27.5 | 227 55 40.8 37.4 31 159 13106 260 47 46.3 8.2 | 237 34 28.2 18.1 32 150 13470 250 47 44.2 16.1 | 225 37 26.1 26.0 33 138 14021 250 47 44.2 16.1 | 225 37 26.1 26.0 34 114 15240 260 44 43.3 7.6 | 235 31 25.2 17.6 35 104 15850 270 36 36.0 -0.0 | 241 20 17.9 10.0 36 100 16100 245 37 33.5 15.6 | 211 30 15.4 25.6 37 99 16154 255 30 29.0 7.8 | 212 21 10.9 17.7 38 95 16459 245 37 33.5 15.6 | 211 30 15.4 25.6 39 82 17374 270 38 38.0 -0.0 | 243 22 19.9 10.0 40 78 17678 270 27 27.0 -0.0 | 222 13 8.9 10.0 41 75 17983 240 29 25.1 14.5 | 196 25 7.0 24.5 42 71 18288 265 37 36.9 3.2 | 235 23 18.8 13.2 43 70 18390 275 30 29.9 -2.6 | 238 14 11.8 7.4 44 65 18898 280 28 27.6 -4.9 | 242 11 9.5 5.1 45 62 19202 265 24 23.9 2.1 | 206 13 5.8 12.1 46 59 19507 275 18 17.9 -1.6 | 179 8 -0.2 8.4 47 56 19812 250 20 18.8 6.8 | 182 17 0.7 16.8 48 51 20422 265 23 22.9 2.0 | 202 13 4.8 12.0 49 50 20560 280 11 10.8 -1.9 | 138 11 -7.3 8.1 50 49 20726 280 11 10.8 -1.9 | 138 11 -7.3 8.1 51 46 21031 275 11 11.0 -1.0 | 142 11 -7.1 9.0 52 44 21336 245 17 15.4 7.2 | 171 17 -2.7 17.2 53 42 21641 260 16 15.8 2.8 | 170 13 -2.3 12.7 54 40 21946 290 10 9.4 -3.4 | 127 11 -8.7 6.5 55 39 22250 295 10 9.1 -4.2 | 122 11 -9.0 5.7 56 37 22555 230 10 7.7 6.4 | 148 19 -10.4 16.4 57 35 22860 310 14 10.7 -9.0 | 97 7 -7.4 1.0 58 33 23165 350 10 1.7 -9.8 | 90 16 -16.4 0.1 59 32 23470 260 1 1.0 0.2 | 121 20 -17.1 10.1 60 30 23774 195 13 3.4 12.6 | 147 27 -14.7 22.5 61 30 23870 185 9 0.8 9.0 | 138 26 -17.3 18.9 62 28 24384 195 10 2.6 9.7 | 142 25 -15.5 19.6 63 26 24689 220 10 6.4 7.7 | 146 21 -11.7 17.6 64 20 26500 25 5 -2.1 -4.5 | 105 21 -20.2 5.4 65 20 26518 0 0 -0.0 -0.0 | 119 21 -18.1 10.0 66 17 27432 95 10 -10.0 0.9 | 111 30 -28.1 10.8 67 17 27737 100 10 -9.8 1.7 | 113 30 -27.9 11.7 68 15 28346 25 10 -4.2 -9.1 | 92 22 -22.3 0.9 69 14 28651 35 5 -2.9 -4.1 | 106 22 -21.0 5.9 70 14 28956 20 10 -3.4 -9.4 | 92 22 -21.5 0.6 71 13 29261 65 20 -18.1 -8.5 | 92 36 -36.2 1.5 72 13 29566 80 10 -9.8 -1.7 | 106 29 -27.9 8.2 73 12 29870 210 3 1.5 2.6 | 127 21 -16.6 12.6 74 11 30175 10 10 -1.7 -9.8 | 90 20 -19.8 0.1 75 10 31060 355 17 1.5 -16.9 | 67 18 -16.6 -7.0 Wind Parameters Mean winds (0-6000m): 268.8 at 27.5 knts Storm direction: 298.8 at 20.7 knts Shear (0-3000m) pos: 0.9 neg: 4.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 86.7 deg Storm rel helicity (0-3000m) pos: 83.7 neg: -69.1 tot: 14.6 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 130.58 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 ------------------------------------------------------------------------------- 500 357 16 72 18| 10.0 0.0 10.0| 3.0 -35.9 -32.9 -65.7 -0.60| 12.4 -7.4 1000 7 17 72 21| 2.6 0.0 2.6| 55.8 -35.9 19.9 19.9 0.05| 11.7 0.6 1500 4 16 72 20| 1.8 3.4 5.1| 55.8 -69.0 -13.2 -8.8 -0.15| 11.7 -1.8 2000 358 16 71 18| 1.3 3.5 4.8| 62.1 -69.1 -7.0 -3.5 -0.07| 10.3 -0.7 2500 348 16 70 16| 1.1 3.9 5.0| 76.0 -69.1 6.9 2.8 0.09| 9.9 0.9 3000 337 16 69 13| 0.9 4.1 4.9| 83.7 -69.1 14.6 4.9 0.17| 9.1 1.5 4000 311 18 66 5| 0.7 4.9 5.6|111.2 -69.1 42.1 10.5 0.27| 8.7 2.3 5000 286 22 221 5| 0.5 5.7 6.2|138.5-151.7 -13.2 -2.6 0.12| 9.7 1.1 6000 269 28 222 14| 0.8 4.7 5.5|253.9-162.0 91.9 15.3 0.19| 9.4 1.7 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250430.00.gif