UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 20 OCT 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 1 SFC 965 306 10.4 9.0 91 1.4 9.6 150 18 286.5 287.8 284.3 307.3 7.48 2 926 643 9.8 7.7 87 2.1 8.6 168 50 289.2 290.5 285.1 309.4 7.13 3 925 652 10.0 7.7 86 2.3 8.7 170 50 289.5 290.8 285.2 309.8 7.14 4 875 1117 11.8 9.5 86 2.3 10.4 200 52 296.0 297.6 289.0 320.8 8.55 5 850 1360 10.4 9.3 93 1.1 9.7 210 54 297.0 298.6 289.5 322.3 8.68 6 836 1499 9.6 9.6 100 0.0 9.6 211 55 297.6 299.2 289.9 323.9 9.01 7 700 2959 2.6 2.1 96 0.5 2.3 205 46 305.4 306.5 290.2 324.7 6.37 8 578 4486 -5.1 -5.5 97 0.4 -5.3 198 51 313.5 314.4 291.0 327.5 4.39 9 561 4720 -6.5 -6.7 98 0.2 -6.6 196 51 314.6 315.4 291.1 327.8 4.13 10 544 4960 -8.1 -8.3 98 0.2 -8.2 195 52 315.5 316.2 291.0 327.6 3.76 11 539 5032 -8.9 -11.1 84 2.2 -9.8 195 52 315.3 315.9 290.3 325.2 3.04 12 536 5075 -9.7 -11.3 88 1.6 -10.3 195 52 314.9 315.5 290.2 324.6 3.01 13 518 5338 -10.5 -10.7 98 0.2 -10.6 195 53 317.0 317.6 291.0 327.6 3.27 14 511 5443 -10.9 -13.2 83 2.3 -11.8 195 53 317.8 318.3 290.7 326.7 2.71 15 506 5519 -11.3 -12.5 91 1.2 -11.8 195 53 318.2 318.7 291.0 327.7 2.89 16 500 5610 -12.1 -13.0 93 0.9 -12.5 195 51 318.3 318.8 291.0 327.5 2.81 17 499 5625 -12.1 -12.3 98 0.2 -12.2 195 51 318.5 319.0 291.2 328.3 2.98 18 485 5842 -13.7 -15.8 84 2.1 -14.4 202 51 319.1 319.6 290.8 326.8 2.30 19 412 7063 -21.9 -22.6 94 0.7 -22.1 214 51 323.8 324.1 291.5 329.0 1.51 20 400 7280 -23.1 -24.9 85 1.8 -23.5 215 51 325.0 325.2 291.5 329.4 1.27 21 380 7655 -25.7 -28.2 79 2.5 -26.2 220 49 326.3 326.5 291.7 329.9 0.99 22 349 8268 -30.1 -31.3 89 1.2 -30.3 221 52 328.4 328.6 292.1 331.3 0.80 23 326 8751 -33.5 -35.7 81 2.2 -33.8 223 59 330.2 330.3 292.3 332.3 0.56 24 300 9330 -38.1 -40.9 75 2.8 -38.4 225 69 331.7 331.7 292.5 333.0 0.36 25 284 9706 -41.2 -44.5 71 3.3 -41.5 230 74 332.4 332.5 292.6 333.4 0.26 26 250 10560 -48.5 -52.8 61 4.3 -48.7 230 74 334.0 334.0 292.9 334.4 0.11 27 223 11301 -54.9 -59.5 57 4.6 -55.0 230 71 335.2 335.2 293.2 335.5 0.06 28 217 11474 -56.5 -59.9 65 3.4 -56.6 230 70 335.4 335.4 293.2 335.6 0.06 29 212 11622 -57.3 -59.1 80 1.8 -57.3 230 69 336.4 336.4 293.5 336.6 0.06 30 208 11742 -57.7 -65.7 35 8.0 -57.8 230 69 337.6 337.6 293.7 337.7 0.03 31 203 11896 -56.7 -69.7 18 13.0 -56.9 230 68 341.5 341.5 294.7 341.6 0.02 32 200 11990 -56.7 -70.7 16 14.0 -56.9 235 68 343.0 343.0 295.0 343.0 0.01 33 188 12382 -55.1 -74.1 8 19.0 -55.4 243 66 351.7 351.7 297.0 351.7 0.01 34 182 12589 -55.3 -76.3 6 21.0 -55.6 244 62 354.6 354.6 297.6 354.7 0.01 35 156 13555 -61.5 -78.5 9 17.0 -61.7 230 54 360.1 360.1 298.7 360.1 0.01 36 151 13758 -58.1 -80.1 4 22.0 -58.3 238 49 369.3 369.3 300.4 369.3 0.00 37 150 13800 -58.1 -80.1 4 22.0 -58.3 240 43 370.0 370.0 300.5 370.0 0.00 38 135 14456 -61.5 -82.5 5 21.0 -61.7 243 34 375.3 375.3 301.5 375.3 0.00 39 118 15292 -59.1 -83.1 3 24.0 -59.4 239 32 394.4 394.4 304.4 394.4 0.00 40 109 15785 -61.7 -83.7 4 22.0 -61.9 244 20 398.6 398.6 305.0 398.6 0.00 41 105 16017 -60.1 -82.1 4 22.0 -60.4 243 23 405.9 405.9 306.0 405.9 0.00 42 100 16320 -60.7 -83.7 3 23.0 -61.0 230 23 410.4 410.4 306.6 410.5 0.00 43 97 16511 -58.7 -83.7 3 25.0 -59.0 236 23 417.9 417.9 307.4 418.0 0.00 44 85 17336 -62.7 -85.7 3 23.0 -63.0 304 11 425.9 425.9 308.4 425.9 0.00 45 70 18540 -61.5 -86.5 2 25.0 -61.9 240 11 452.8 452.8 311.1 452.8 0.00 46 51 20498 -62.3 -88.3 2 26.0 -62.7 271 10 493.9 493.9 314.5 493.9 0.00 47 50 20620 -61.3 -87.3 2 26.0 -61.8 265 10 499.0 499.0 314.9 499.0 0.00 48 47 21006 -59.5 -86.5 2 27.0 -60.2 265 10 512.3 512.3 315.8 512.3 0.00 49 39 22165 -62.7 -88.7 2 26.0 -63.2 314 13 532.2 532.2 317.1 532.3 0.00 50 31 23578 -63.3 -89.3 2 26.0 -63.9 265 14 566.7 566.7 319.0 566.8 0.00 51 30 23780 -61.9 -88.9 2 27.0 -62.6 295 21 575.9 575.9 319.5 575.9 0.00 52 25 24910 -61.1 -89.1 1 28.0 -62.0 302 15 609.0 609.0 321.0 609.0 0.01 53 20 26290 -62.9 -89.9 1 27.0 -63.8 265 20 643.6 643.6 322.4 643.7 0.01 54 15 28067 -62.9 -89.9 1 27.0 -64.1 288 30 698.8 698.8 324.4 698.9 0.01 55 15 28067 -60.9 -89.9 1 29.0 -62.4 288 30 705.5 705.5 324.6 705.5 0.01 56 14 28494 -63.7 -89.7 2 26.0 -64.8 283 32 710.0 710.1 324.7 710.1 0.01 57 10 30570 -62.3 -89.3 2 27.0 -64.1 265 43 787.0 787.0 326.9 787.1 0.01 58 9.6 30823 -61.1 -89.1 1 28.0 -63.2 800.8 800.8 327.3 800.9 0.01 TRP 156 13555 -61.5 -78.5 9 17.0 -61.7 230 54 360.1 360.1 298.7 360.1 0.01 WND 284 9706 -41.2 -44.5 71 3.3 -41.5 230 74 332.4 332.5 292.6 333.4 0.26 Sounding variables and indices 1000-500 mb thick: 5609.00 m Freezing level: 658.81 mb = 3474.64 m = 11399.59 ft Wetbulb zero: 663.08 mb = 3391.03 m = 11125.29 ft Precipitable water: 1.31 inches Sfc-500 mean rel hum: 94.79 % Est. max temperature: 22.54 C = 72.58 F Sfc-Lift cond lev (LCL): 944.77 mb = 479.20 m = 1572.17 ft T: 10.09 C 700-500 lapse rate: 5.55 C/km Conv cond level (CCL): 762.95 mb = 2250.65 m = 7383.94 ft Mean mixing ratio: 7.71 g/kg Conv temperature: 25.40 C = 77.71 F Cap Strength: 8.37 C Lifted Index: 8.21 C Risk: None Lifted Index @300 mb: 13.38 C Lifted Index @700 mb: 5.16 C Showalter Index: 3.06 C Risk: None Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 21.40 C K Index: 31.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 270.60 Risk: None Energy Index: 0.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.77 J/kg Max Up Vert Vel: 8.92 m/s Conv Inhibition (B-): 49623.79 J/kg Cap Strength: 8.35 C Lift Cond Lev (LCL): 885.86 mb = 1013.94 m = 3326.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 232 at 38 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 ---------------------------------------------------------- 0 965 306 150 18 -9.0 15.6 | 79 40 -39.0 -7.7 1 930 610 160 49 -16.8 46.0 | 116 52 -46.7 22.8 2 925 652 170 50 -8.7 49.2 | 124 47 -38.7 26.0 3 896 914 190 50 8.7 49.2 | 141 34 -21.3 26.0 4 864 1219 205 53 22.4 48.0 | 163 26 -7.6 24.8 5 850 1360 210 54 27.0 46.8 | 173 24 -3.0 23.5 6 803 1829 215 56 32.1 45.9 | 185 23 2.1 22.6 7 774 2134 220 54 34.7 41.4 | 195 19 4.7 18.1 8 746 2438 215 45 25.8 36.9 | 163 14 -4.2 13.6 9 719 2743 215 48 27.5 39.3 | 171 16 -2.5 16.0 10 700 2959 205 46 19.4 41.7 | 150 21 -10.5 18.4 11 641 3658 205 56 23.7 50.8 | 167 28 -6.3 27.5 12 593 4267 200 50 17.1 47.0 | 151 27 -12.9 23.7 13 549 4877 195 52 13.5 50.2 | 148 32 -16.5 27.0 14 508 5486 195 53 13.7 51.2 | 150 32 -16.3 27.9 15 500 5610 195 51 13.2 49.3 | 147 31 -16.8 26.0 16 469 6096 210 51 25.5 44.2 | 168 21 -4.5 20.9 17 400 7280 215 51 29.3 41.8 | 178 19 -0.7 18.5 18 381 7620 220 49 31.5 37.5 | 186 14 1.5 14.3 19 365 7925 220 47 30.2 36.0 | 181 13 0.2 12.7 20 308 9144 225 65 46.0 46.0 | 215 28 16.0 22.7 21 300 9330 225 69 48.8 48.8 | 216 32 18.8 25.5 22 284 9706 230 74 56.7 47.6 | 228 36 26.7 24.3 23 282 9754 230 74 56.7 47.6 | 228 36 26.7 24.3 24 250 10560 230 74 56.7 47.6 | 228 36 26.7 24.3 25 246 10668 230 74 56.7 47.6 | 228 36 26.7 24.3 26 203 11887 230 68 52.1 43.7 | 227 30 22.1 20.4 27 200 11990 235 68 55.7 39.0 | 239 30 25.7 15.7 28 185 12497 245 66 59.8 27.9 | 261 30 29.8 4.6 29 168 13106 240 38 32.9 19.0 | 326 5 2.9 -4.3 30 156 13555 230 54 41.4 34.7 | 225 16 11.4 11.4 31 152 13716 235 56 45.9 32.1 | 241 18 15.9 8.8 32 150 13800 240 43 37.2 21.5 | 284 7 7.3 -1.8 33 138 14326 245 30 27.2 12.7 | 15 11 -2.8 -10.6 34 131 14630 240 39 33.8 19.5 | 315 5 3.8 -3.8 35 125 14935 225 32 22.6 22.6 | 85 7 -7.4 -0.6 36 119 15240 235 34 27.9 19.5 | 29 4 -2.1 -3.8 37 113 15545 260 25 24.6 4.3 | 16 20 -5.4 -18.9 38 108 15850 240 19 16.5 9.5 | 44 19 -13.5 -13.8 39 103 16154 245 27 24.5 11.4 | 25 13 -5.5 -11.9 40 100 16320 230 23 17.6 14.8 | 56 15 -12.4 -8.5 41 98 16459 230 24 18.4 15.4 | 56 14 -11.6 -7.8 42 89 17069 300 15 13.0 -7.5 | 29 35 -17.0 -30.8 43 84 17374 305 10 8.2 -5.7 | 37 36 -21.8 -29.0 44 80 17678 205 10 4.2 9.1 | 61 29 -25.8 -14.2 45 77 17983 235 20 16.4 11.5 | 49 18 -13.6 -11.8 46 73 18288 295 10 9.1 -4.2 | 37 35 -20.9 -27.5 47 70 18540 240 11 9.5 5.5 | 49 27 -20.5 -17.8 48 66 18898 235 10 8.2 5.7 | 51 28 -21.8 -17.5 49 57 19812 240 10 8.7 5.0 | 49 28 -21.3 -18.3 50 54 20117 290 10 9.4 -3.4 | 38 34 -20.6 -26.7 51 50 20620 265 10 10.0 0.9 | 42 30 -20.0 -22.4 52 47 21031 265 10 10.0 0.9 | 42 30 -20.0 -22.4 53 45 21336 305 15 12.3 -8.6 | 29 36 -17.7 -31.9 54 40 21946 290 16 15.0 -5.5 | 27 32 -14.9 -28.7 55 38 22250 325 12 6.9 -9.8 | 35 40 -23.1 -33.1 56 37 22555 290 12 11.3 -4.1 | 34 33 -18.7 -27.4 57 35 22860 280 16 15.8 -2.8 | 29 30 -14.2 -26.1 58 33 23165 295 11 10.0 -4.6 | 36 34 -20.0 -27.9 59 32 23470 265 14 13.9 1.2 | 36 27 -16.0 -22.1 60 30 23774 265 15 14.9 1.3 | 34 27 -15.0 -22.0 61 30 23780 295 21 19.0 -8.9 | 19 34 -10.9 -32.1 62 29 24079 295 21 19.0 -8.9 | 19 34 -10.9 -32.1 63 27 24384 325 19 10.9 -15.6 | 26 43 -19.1 -38.8 64 26 24689 295 11 10.0 -4.6 | 36 34 -20.0 -27.9 65 25 24994 305 16 13.1 -9.2 | 27 37 -16.9 -32.5 66 23 25298 290 18 16.9 -6.2 | 24 32 -13.1 -29.4 67 22 25603 300 17 14.7 -8.5 | 26 35 -15.3 -31.8 68 21 25908 275 20 19.9 -1.7 | 22 27 -10.1 -25.0 69 20 26213 285 27 26.1 -7.0 | 7 31 -3.9 -30.3 70 20 26290 265 20 19.9 1.7 | 25 24 -10.1 -21.5 71 18 26822 265 19 18.9 1.7 | 27 24 -11.1 -21.6 72 17 27127 285 30 29.0 -7.8 | 2 31 -1.0 -31.0 73 17 27432 270 23 23.0 -0.0 | 17 24 -7.0 -23.3 74 16 27737 285 27 26.1 -7.0 | 7 31 -3.9 -30.3 75 14 28346 290 32 30.1 -10.9 | 360 34 0.1 -34.2 76 13 28956 260 31 30.5 5.4 | 358 18 0.5 -17.9 77 12 29261 260 38 37.4 6.6 | 336 18 7.4 -16.7 78 12 29566 280 45 44.3 -7.8 | 335 34 14.3 -31.1 79 10 30570 265 43 42.8 3.7 | 327 23 12.9 -19.5 Wind Parameters Mean winds (0-6000m): 202.2 at 50.6 knts Storm direction: 232.2 at 38.0 knts Shear (0-3000m) pos: 7.7 neg: 1.8 tot: 9.6 10-3/s Storm rel Dir Shear (0-3000m): 80.9 deg Storm rel helicity (0-3000m) pos: 742.4 neg: -63.7 tot: 678.7 m^2/s^2 ave: 226.2 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 18.9 stream: 10.6 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 0.32 Bulk Shear: 122.99 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 ------------------------------------------------------------------------------- 500 165 40 111 43| 37.0 0.0 37.0|506.6 0.0 506.6 1013.2 0.85| 51.7 43.9 1000 183 46 129 36| 24.0 0.0 24.0|658.5 0.0 658.5 658.5 0.83| 38.2 31.6 1500 194 49 143 30| 17.5 0.0 17.5|698.8 0.0 698.8 465.9 0.84| 27.8 23.3 2000 201 50 152 26| 11.6 0.0 11.6|716.9 -20.6 696.3 348.2 0.73| 23.6 17.2 2500 204 49 155 24| 9.3 0.9 10.2|722.7 -42.5 680.2 272.1 0.63| 20.5 12.9 3000 204 49 155 24| 7.7 1.8 9.6|742.4 -63.7 678.7 226.2 0.56| 18.9 10.6 4000 204 50 157 25| 5.8 1.9 7.7|762.1-115.3 646.8 161.7 0.47| 15.7 7.4 5000 202 50 155 26| 4.6 2.0 6.7|766.1-126.3 639.8 128.0 0.45| 13.1 5.8 6000 202 51 155 26| 4.6 1.7 6.3|834.0-137.3 696.7 116.1 0.46| 12.3 5.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251020.00.gif