UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103012.upa.cvt Date: 1200Z 30 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 30 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 142 SFC 981 306 2.6 2.5 99 0.1 2.5 50 1 277.3 278.1 276.6 290.0 4.67 2 978 331 4.6 3.3 91 1.3 4.0 64 2 279.5 280.4 278.2 293.1 4.96 3 957 506 7.4 1.4 66 6.0 4.6 165 8 284.1 284.9 279.8 296.5 4.42 4 951 557 7.2 0.2 61 7.0 4.0 195 10 284.4 285.1 279.5 295.9 4.08 5 925 781 5.8 -0.2 65 6.0 3.1 215 18 285.2 285.9 279.9 296.8 4.07 6 850 1467 0.2 -2.0 85 2.2 -0.7 200 24 286.4 287.0 280.2 297.4 3.88 7 825 1705 -1.9 -3.1 91 1.2 -2.4 208 24 286.6 287.2 280.1 297.1 3.68 8 787 2079 -3.9 -7.0 79 3.1 -5.1 218 21 288.3 288.8 279.8 296.7 2.87 9 783 2119 -4.1 -8.6 71 4.5 -5.7 220 20 288.5 289.0 279.6 296.0 2.55 10 779 2159 -3.5 -11.5 54 8.0 -6.2 221 20 289.6 290.0 279.4 295.7 2.03 11 772 2231 -3.5 -12.5 50 9.0 -6.4 223 19 290.4 290.7 279.6 296.0 1.89 12 770 2251 -3.3 -10.3 58 7.0 -5.7 224 18 290.8 291.2 280.3 297.5 2.26 13 765 2303 -1.7 -16.7 31 15.0 -6.2 226 18 293.1 293.3 280.1 297.2 1.35 14 758 2376 -1.3 -20.3 22 19.0 -6.7 228 17 294.3 294.4 280.2 297.4 1.00 15 753 2429 -1.3 -20.3 22 19.0 -6.7 230 16 294.8 295.0 280.4 298.0 1.01 16 724 2741 -2.1 -26.1 14 24.0 -8.0 220 22 297.3 297.4 281.0 299.3 0.63 17 700 3008 -3.7 -26.7 15 23.0 -9.2 225 22 298.4 298.5 281.5 300.4 0.61 18 649 3603 -5.7 -27.7 16 22.0 -10.8 225 20 302.6 302.8 283.2 304.7 0.60 19 607 4123 -9.7 -20.7 40 11.0 -12.7 205 20 303.9 304.1 284.5 307.8 1.21 20 594 4289 -10.9 -26.9 25 16.0 -14.5 210 18 304.4 304.5 284.1 306.7 0.71 21 567 4645 -13.9 -24.9 39 11.0 -16.4 200 15 304.9 305.1 284.5 307.9 0.89 22 556 4793 -14.9 -25.9 39 11.0 -17.3 200 19 305.5 305.6 284.7 308.2 0.83 23 552 4848 -14.7 -37.7 12 23.0 -18.3 200 21 306.3 306.4 284.3 307.3 0.27 24 535 5084 -15.7 -45.7 6 30.0 -19.4 205 22 307.9 307.9 284.7 308.3 0.12 25 500 5590 -19.7 -42.7 11 23.0 -22.5 210 24 309.0 309.1 285.2 309.7 0.18 26 459 6217 -24.7 -46.7 11 22.0 -26.8 207 26 310.4 310.5 285.7 310.9 0.12 27 436 6587 -27.5 -39.5 31 12.0 -28.9 209 26 311.5 311.5 286.2 312.5 0.28 28 419 6872 -29.5 -49.5 13 20.0 -31.0 207 25 312.5 312.5 286.4 312.8 0.10 29 411 7008 -30.7 -40.7 37 10.0 -31.7 206 24 312.7 312.7 286.6 313.6 0.27 30 409 7043 -30.7 -51.7 11 21.0 -32.1 206 24 313.1 313.1 286.5 313.4 0.08 31 400 7200 -32.1 -51.1 13 19.0 -33.4 205 23 313.3 313.3 286.6 313.6 0.09 32 394 7307 -33.1 -49.1 19 16.0 -34.2 204 23 313.3 313.3 286.6 313.7 0.11 33 383 7505 -34.9 -43.9 39 9.0 -35.6 201 22 313.5 313.5 286.8 314.2 0.20 34 382 7523 -35.1 -38.3 72 3.2 -35.4 201 22 313.5 313.5 287.0 314.8 0.37 35 378 7597 -35.3 -39.7 64 4.4 -35.7 200 22 314.2 314.2 287.2 315.3 0.32 36 376 7634 -34.5 -50.5 18 16.0 -35.5 200 22 315.7 315.7 287.5 316.1 0.10 37 356 8013 -37.5 -54.5 15 17.0 -38.4 216 24 316.6 316.6 287.7 316.9 0.07 38 343 8269 -39.5 -54.5 19 15.0 -40.2 219 23 317.3 317.3 287.9 317.6 0.07 39 335 8430 -41.1 -48.1 47 7.0 -41.5 220 23 317.3 317.3 288.0 317.8 0.15 40 328 8573 -42.5 -52.5 33 10.0 -42.9 222 23 317.3 317.3 287.9 317.6 0.09 41 324 8656 -43.3 -50.3 46 7.0 -43.6 223 22 317.3 317.3 288.0 317.7 0.12 42 321 8719 -43.7 -45.3 84 1.6 -43.8 224 22 317.6 317.6 288.2 318.3 0.21 43 316 8824 -44.5 -48.9 61 4.4 -44.7 225 22 317.9 317.9 288.2 318.4 0.14 44 300 9170 -47.1 -50.9 65 3.8 -47.3 215 21 319.0 319.0 288.5 319.4 0.12 45 284 9530 -50.3 -53.4 70 3.1 -50.4 212 22 319.4 319.4 288.6 319.8 0.09 46 261 10076 -54.7 -60.7 47 6.0 -54.8 207 24 320.8 320.8 289.0 320.9 0.04 47 250 10350 -57.1 -61.2 60 4.1 -57.2 205 25 321.2 321.2 289.2 321.3 0.04 48 235 10738 -60.7 -62.7 77 2.0 -60.7 210 25 321.5 321.5 289.2 321.6 0.04 49 230 10872 -59.9 -64.9 52 5.0 -60.0 213 24 324.7 324.7 290.2 324.8 0.03 50 218 11207 -59.3 -71.3 20 12.0 -59.4 223 30 330.6 330.6 291.9 330.7 0.01 51 200 11750 -57.1 -76.1 7 19.0 -57.3 225 38 342.3 342.3 294.9 342.4 0.01 52 197 11846 -57.1 -76.1 7 19.0 -57.3 218 34 343.8 343.8 295.3 343.9 0.01 53 192 12010 -55.1 -78.1 4 23.0 -55.4 221 36 349.6 349.6 296.5 349.6 0.00 54 182 12354 -53.9 -79.9 3 26.0 -54.2 234 39 356.9 356.9 298.1 356.9 0.00 55 160 13179 -56.5 -81.5 3 25.0 -56.8 248 31 365.9 365.9 299.8 365.9 0.00 56 150 13590 -56.1 -82.1 2 26.0 -56.4 235 41 373.4 373.4 301.2 373.4 0.00 57 142 13936 -55.5 -82.5 2 27.0 -55.9 235 35 380.4 380.4 302.3 380.4 0.00 58 135 14255 -56.9 -83.9 2 27.0 -57.2 243 37 383.4 383.4 302.8 383.4 0.00 59 130 14493 -55.7 -83.7 2 28.0 -56.1 251 41 389.7 389.7 303.8 389.7 0.00 60 100 16150 -56.5 -84.5 2 28.0 -56.9 255 44 418.6 418.6 307.6 418.6 0.00 61 81 17481 -59.5 -86.5 2 27.0 -59.9 260 32 438.4 438.4 309.7 438.4 0.00 62 70 18400 -57.5 -86.5 1 29.0 -58.0 270 32 461.4 461.4 311.9 461.4 0.00 63 69 18491 -57.3 -86.3 1 29.0 -57.9 270 32 463.7 463.7 312.1 463.7 0.00 64 50 20500 -61.5 -87.5 2 26.0 -62.0 310 17 498.6 498.6 314.8 498.6 0.00 65 49 20625 -61.9 -87.9 2 26.0 -62.4 310 17 500.5 500.5 315.0 500.5 0.00 66 30 23680 -58.9 -87.9 1 29.0 -59.9 350 15 584.1 584.1 319.9 584.1 0.01 67 20 26190 -63.3 -89.3 2 26.0 -64.2 15 16 642.4 642.4 322.4 642.5 0.01 68 12 29366 -58.5 -87.5 1 29.0 -60.8 357 23 760.5 760.5 326.2 760.6 0.02 TRP 235 10738 -60.7 -62.7 77 2.0 -60.7 210 25 321.5 321.5 289.2 321.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5448.00 m Freezing level: 847.62 mb = 1489.69 m = 4887.37 ft Wetbulb zero: 864.61 mb = 1328.73 m = 4359.30 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 40.61 % Est. max temperature: 11.82 C = 53.27 F Sfc-Lift cond lev (LCL): 979.34 mb = 319.52 m = 1048.29 ft T: 3.70 C 700-500 lapse rate: 6.20 C/km ThetaE index: 1.77 C Layer 825.0- 772.0 mb Conv cond level (CCL): 833.11 mb = 1627.20 m = 5338.52 ft Mean mixing ratio: 4.20 g/kg Conv temperature: 11.80 C = 53.24 F Cap Strength: 11.76 C Lifted Index: 11.98 C Risk: None Lifted Index @300 mb: 16.22 C Lifted Index @700 mb: 7.97 C Showalter Index: 11.04 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 17.70 C K Index: -5.10 Risk: None Sweat Index: 118.71 Risk: None Energy Index: 2.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.70 J/kg Max Up Vert Vel: 6.43 m/s Conv Inhibition (B-): 50032.05 J/kg Cap Strength: 11.95 C Lift Cond Lev (LCL): 860.49 mb = 1367.51 m = 4486.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 242 at 15 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 ---------------------------------------------------------- 0 981 306 50 1 -0.8 -0.6 | 61 16 -14.4 -7.9 1 945 610 225 12 8.5 8.5 | 104 5 -5.1 1.3 2 925 781 215 18 10.3 14.7 | 157 8 -3.3 7.5 3 910 914 210 21 10.5 18.2 | 164 11 -3.1 11.0 4 876 1219 205 24 10.1 21.8 | 167 15 -3.4 14.5 5 850 1467 200 24 8.2 22.6 | 161 16 -5.4 15.3 6 844 1524 205 25 10.6 22.7 | 169 16 -3.0 15.4 7 812 1829 210 23 11.5 19.9 | 171 13 -2.1 12.7 8 782 2134 220 20 12.9 15.3 | 175 8 -0.7 8.1 9 752 2438 230 16 12.3 10.3 | 156 3 -1.3 3.1 10 724 2743 220 22 14.1 16.9 | 183 10 0.5 9.6 11 700 3008 225 22 15.6 15.6 | 193 9 2.0 8.3 12 643 3658 225 20 14.1 14.1 | 185 7 0.6 6.9 13 618 3962 200 22 7.5 20.7 | 156 15 -6.1 13.5 14 594 4267 210 18 9.0 15.6 | 151 10 -4.6 8.4 15 571 4572 200 14 4.8 13.2 | 124 11 -8.8 5.9 16 549 4877 200 22 7.5 20.7 | 156 15 -6.1 13.5 17 507 5486 215 23 13.2 18.8 | 178 12 -0.4 11.6 18 500 5590 210 24 12.0 20.8 | 173 14 -1.6 13.6 19 466 6096 205 25 10.6 22.7 | 169 16 -3.0 15.4 20 447 6401 210 27 13.5 23.4 | 180 16 -0.1 16.2 21 400 7200 205 23 9.7 20.8 | 164 14 -3.9 13.6 22 376 7620 200 22 7.5 20.7 | 156 15 -6.1 13.5 23 360 7925 215 24 13.8 19.7 | 181 12 0.2 12.4 24 315 8839 225 22 15.6 15.6 | 193 9 2.0 8.3 25 301 9144 215 23 13.2 18.8 | 178 12 -0.4 11.6 26 300 9170 215 21 12.0 17.2 | 171 10 -1.5 10.0 27 250 10350 205 25 10.6 22.7 | 169 16 -3.0 15.4 28 249 10363 205 25 10.6 22.7 | 169 16 -3.0 15.4 29 238 10668 210 24 12.0 20.8 | 173 14 -1.6 13.6 30 235 10738 210 25 12.5 21.7 | 176 14 -1.1 14.4 31 226 10973 215 23 13.2 18.8 | 178 12 -0.4 11.6 32 216 11278 225 32 22.6 22.6 | 210 18 9.0 15.4 33 200 11750 225 38 26.9 26.9 | 214 24 13.3 19.7 34 196 11887 215 32 18.4 26.2 | 194 20 4.8 19.0 35 187 12192 230 41 31.4 26.4 | 223 26 17.8 19.1 36 162 13106 250 29 27.3 9.9 | 259 14 13.7 2.7 37 150 13590 235 41 33.6 23.5 | 231 26 20.0 16.3 38 140 14021 235 34 27.9 19.5 | 229 19 14.3 12.3 39 127 14630 255 43 41.5 11.1 | 262 28 27.9 3.9 40 116 15240 235 43 35.2 24.7 | 231 28 21.6 17.4 41 110 15545 240 52 45.0 26.0 | 239 37 31.4 18.8 42 105 15850 260 50 49.2 8.7 | 268 36 35.6 1.5 43 100 16150 255 44 42.5 11.4 | 262 29 28.9 4.2 44 95 16459 255 44 42.5 11.4 | 262 29 28.9 4.2 45 82 17374 270 30 30.0 -0.0 | 294 18 16.4 -7.2 46 78 17678 240 35 30.3 17.5 | 238 20 16.7 10.3 47 75 17983 265 33 32.9 2.9 | 283 20 19.3 -4.3 48 70 18400 270 32 32.0 -0.0 | 291 20 18.4 -7.2 49 68 18593 270 32 32.0 -0.0 | 291 20 18.4 -7.2 50 56 19812 290 19 17.9 -6.5 | 343 14 4.3 -13.7 51 53 20117 270 19 19.0 -0.0 | 323 9 5.4 -7.2 52 50 20500 310 17 13.0 -10.9 | 2 18 -0.6 -18.1 53 48 20726 310 17 13.0 -10.9 | 2 18 -0.6 -18.1 54 46 21031 300 14 12.1 -7.0 | 6 14 -1.5 -14.2 55 44 21336 300 18 15.6 -9.0 | 353 16 2.0 -16.2 56 42 21641 350 11 1.9 -10.8 | 33 22 -11.7 -18.1 57 40 21946 295 10 9.1 -4.2 | 22 12 -4.5 -11.4 58 36 22555 300 10 8.7 -5.0 | 22 13 -4.9 -12.2 59 33 23165 290 10 9.4 -3.4 | 22 11 -4.2 -10.6 60 31 23470 320 10 6.4 -7.7 | 26 17 -7.2 -14.9 61 30 23680 350 15 2.6 -14.8 | 27 25 -11.0 -22.0 62 30 23774 315 15 10.6 -10.6 | 10 18 -3.0 -17.8 63 27 24384 20 11 -3.8 -10.3 | 45 25 -17.4 -17.6 64 24 24994 35 10 -5.7 -8.2 | 51 25 -19.3 -15.4 65 23 25298 360 10 -0.0 -10.0 | 38 22 -13.6 -17.2 66 21 25908 235 1 0.8 0.6 | 63 14 -12.8 -6.6 67 20 26190 15 16 -4.1 -15.5 | 38 29 -17.7 -22.7 68 20 26213 350 10 1.7 -9.8 | 35 21 -11.9 -17.1 69 18 26518 15 16 -4.1 -15.5 | 38 29 -17.7 -22.7 70 16 26822 360 16 -0.0 -16.0 | 30 27 -13.6 -23.2 71 15 27127 25 17 -7.2 -15.4 | 43 31 -20.8 -22.6 72 13 27432 10 23 -4.0 -22.7 | 30 35 -17.6 -29.9 73 12 27737 355 22 1.9 -21.9 | 22 31 -11.7 -29.1 74 11 28042 20 28 -9.6 -26.3 | 35 41 -23.2 -33.5 75 10 28346 25 23 -9.7 -20.8 | 40 36 -23.3 -28.1 76 8 28956 75 17 -16.4 -4.4 | 69 32 -30.0 -11.6 77 7 29566 25 9 -3.8 -8.2 | 49 23 -17.4 -15.4 Wind Parameters Mean winds (0-6000m): 212.0 at 20.5 knts Storm direction: 242.0 at 15.4 knts Shear (0-3000m) pos: 2.7 neg: 1.9 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 128.4 deg Storm rel helicity (0-3000m) pos: 80.4 neg: -7.7 tot: 72.8 m^2/s^2 ave: 24.3 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.36 Bulk Shear: 15.24 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 ------------------------------------------------------------------------------- 500 221 10 93 7| 20.1 0.0 20.1| 57.7 0.0 57.7 115.5 0.62| 29.5 18.3 1000 211 16 141 8| 10.0 3.5 13.5| 62.1 -2.2 59.9 59.9 0.52| 18.4 9.7 1500 209 19 154 10| 6.6 2.3 8.9| 71.5 -5.0 66.5 44.4 0.50| 14.0 7.0 2000 211 19 158 10| 4.0 1.7 5.8| 73.7 -5.8 67.9 34.0 0.42| 12.6 5.3 2500 214 19 161 9| 3.2 2.2 5.5| 77.6 -6.6 71.0 28.4 0.39| 11.7 4.6 3000 216 20 166 9| 2.7 1.9 4.5| 80.4 -7.7 72.8 24.3 0.39| 10.1 4.0 4000 215 20 166 9| 2.0 1.6 3.6| 80.4 -27.9 52.6 13.1 0.21| 9.5 2.0 5000 213 20 163 10| 2.1 1.7 3.8|112.3 -36.5 75.8 15.2 0.25| 9.1 2.2 6000 212 21 165 11| 1.9 1.6 3.4|125.0 -43.4 81.6 13.6 0.24| 8.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251030.12.gif