UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 13 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 197 SFC 987 306 10.2 2.2 58 8.0 6.3 190 6 284.4 285.2 280.1 297.2 4.54 2 925 844 8.6 2.6 66 6.0 5.6 220 34 288.1 289.0 282.3 302.3 4.99 3 891 1153 7.0 2.0 70 5.0 4.5 233 29 289.6 290.4 282.9 303.8 4.96 4 850 1540 6.0 -2.0 56 8.0 2.4 240 28 292.4 293.1 282.9 303.8 3.88 5 844 1598 5.6 -2.4 56 8.0 2.0 239 26 292.6 293.3 282.9 303.7 3.79 6 837 1666 6.2 -6.8 39 13.0 0.8 238 25 293.9 294.4 282.3 302.1 2.74 7 832 1715 5.8 -2.2 56 8.0 2.1 237 23 294.0 294.7 283.6 305.5 3.91 8 791 2129 6.6 -7.4 36 14.0 0.7 250 24 299.2 299.7 284.4 307.6 2.77 9 785 2191 7.2 -21.8 11 29.0 -1.8 248 26 300.4 300.6 282.7 303.2 0.85 10 778 2265 7.4 -32.6 4 40.0 -2.6 246 28 301.4 301.5 282.4 302.5 0.32 11 772 2329 7.4 -30.6 5 38.0 -2.5 244 30 302.1 302.2 282.8 303.4 0.39 12 700 3129 4.0 -22.0 13 26.0 -4.1 245 26 306.9 307.1 285.3 310.0 0.94 13 674 3435 2.4 -26.6 10 29.0 -5.7 248 25 308.5 308.6 285.5 310.7 0.64 14 563 4857 -8.1 -27.1 20 19.0 -12.8 264 21 312.4 312.5 287.1 314.9 0.74 15 555 4968 -8.1 -39.1 6 31.0 -13.7 261 20 313.7 313.7 286.9 314.5 0.23 16 500 5770 -12.9 -36.9 11 24.0 -17.2 245 24 317.3 317.4 288.2 318.5 0.32 17 452 6534 -18.7 -42.7 10 24.0 -22.0 257 23 319.3 319.4 288.8 320.1 0.20 18 400 7440 -23.5 -51.5 6 28.0 -26.2 260 16 324.4 324.5 290.2 324.8 0.08 19 370 8006 -26.3 -58.3 3 32.0 -28.7 268 18 328.0 328.0 291.2 328.2 0.04 20 302 9434 -38.5 -49.5 30 11.0 -39.2 300 30 330.5 330.5 292.0 331.0 0.14 21 300 9480 -38.9 -48.9 34 10.0 -39.6 300 31 330.5 330.6 292.0 331.1 0.15 22 288 9758 -41.5 -47.5 52 6.0 -41.9 302 31 330.7 330.7 292.1 331.4 0.18 23 269 10216 -44.9 -54.9 32 10.0 -45.3 306 30 332.3 332.3 292.4 332.6 0.08 24 250 10700 -49.3 -57.3 39 8.0 -49.6 310 29 332.8 332.8 292.5 333.0 0.07 25 236 11077 -52.7 -58.7 48 6.0 -52.9 309 30 333.2 333.2 292.6 333.4 0.06 26 201 12099 -61.3 -65.3 59 4.0 -61.3 330 48 335.2 335.2 293.2 335.3 0.03 27 200 12130 -61.3 -65.6 57 4.3 -61.4 330 49 335.7 335.7 293.3 335.8 0.03 28 185 12608 -63.9 -68.9 50 5.0 -64.0 321 41 339.0 339.0 294.1 339.1 0.02 29 182 12708 -63.3 -70.3 38 7.0 -63.4 319 39 341.6 341.6 294.7 341.7 0.02 30 171 13088 -64.9 -71.9 37 7.0 -65.0 310 32 345.1 345.1 295.6 345.2 0.01 31 154 13728 -61.7 -79.7 7 18.0 -61.9 320 52 361.1 361.1 298.9 361.1 0.00 32 150 13890 -62.3 -80.3 7 18.0 -62.4 320 34 362.8 362.8 299.2 362.8 0.00 33 133 14632 -63.9 -83.9 5 20.0 -64.0 320 36 372.6 372.6 301.0 372.6 0.00 34 129 14820 -62.9 -83.9 4 21.0 -63.1 314 43 377.7 377.7 301.9 377.7 0.00 35 127 14917 -60.5 -83.5 3 23.0 -60.7 310 46 383.7 383.7 302.8 383.7 0.00 36 120 15269 -62.7 -84.7 4 22.0 -62.9 316 41 385.9 385.9 303.2 385.9 0.00 37 113 15642 -60.7 -84.7 3 24.0 -60.9 324 39 396.3 396.3 304.7 396.4 0.00 38 105 16097 -62.5 -86.5 3 24.0 -62.7 322 40 401.3 401.3 305.4 401.3 0.00 39 100 16400 -61.1 -86.1 2 25.0 -61.4 320 40 409.7 409.7 306.5 409.7 0.00 40 78 17940 -62.5 -87.5 2 25.0 -62.8 333 30 436.9 436.9 309.6 437.0 0.00 41 73 18351 -61.3 -87.3 2 26.0 -61.6 319 22 447.8 447.8 310.7 447.8 0.00 42 70 18610 -63.3 -88.3 2 25.0 -63.6 335 21 449.0 449.0 310.7 449.0 0.00 43 64 19157 -64.3 -88.3 2 24.0 -64.6 292 17 458.4 458.4 311.6 458.4 0.00 44 51 20548 -62.1 -88.1 2 26.0 -62.6 300 20 494.3 494.3 314.5 494.4 0.00 45 50 20670 -63.3 -88.3 2 25.0 -63.7 310 12 494.3 494.3 314.5 494.3 0.00 46 40 22035 -64.3 -89.3 2 25.0 -64.7 291 15 524.4 524.4 316.6 524.4 0.00 47 36 22684 -60.9 -88.9 1 28.0 -61.6 298 15 549.2 549.2 318.1 549.2 0.00 48 30 23810 -62.9 -89.9 1 27.0 -63.6 265 12 573.2 573.2 319.3 573.2 0.00 49 28 24232 -64.7 -89.7 2 25.0 -65.3 269 19 579.6 579.6 319.6 579.6 0.00 50 20 26310 -59.5 -88.5 1 29.0 -60.9 285 17 654.0 654.0 322.9 654.1 0.01 51 15 28120 -57.9 -87.9 1 30.0 -60.0 257 33 715.5 715.5 324.9 715.5 0.01 52 14 28554 -59.9 -88.9 1 29.0 -61.7 269 32 722.9 722.9 325.1 723.0 0.01 53 10 30680 -55.5 -86.5 1 31.0 -59.0 270 55 812.4 812.4 327.5 812.6 0.02 54 8.6 31638 -57.3 -87.3 1 30.0 -60.6 841.2 841.2 328.2 841.4 0.02 55 7.0 32948 -54.3 -86.2 1 31.9 -59.2 265 76 904.5 904.6 329.5 904.9 0.03 56 6.9 33040 -54.1 -86.1 1 32.0 -59.2 909.1 909.2 329.6 909.5 0.03 TRP 171 13088 -64.9 -71.9 37 7.0 -65.0 310 32 345.1 345.1 295.6 345.2 0.01 WND 7.0 32948 -54.3 -86.2 1 31.9 -59.2 265 76 904.5 904.6 329.5 904.9 0.03 Sounding variables and indices 1000-500 mb thick: 5573.00 m Freezing level: 648.63 mb = 3759.98 m = 12335.75 ft Wetbulb zero: 789.38 mb = 2145.75 m = 7039.79 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 26.92 % Est. max temperature: 19.69 C = 67.43 F Sfc-Lift cond lev (LCL): 873.82 mb = 1312.95 m = 4307.52 ft T: 6.59 C 700-500 lapse rate: 6.40 C/km ThetaE index: 5.09 C Layer 785.0- 772.0 mb Conv cond level (CCL): 608.64 mb = 4241.21 m = 13914.57 ft Mean mixing ratio: 4.84 g/kg Conv temperature: 36.42 C = 97.56 F Cap Strength: 13.79 C Lifted Index: 15.32 C Risk: None Lifted Index @300 mb: 20.99 C Lifted Index @700 mb: 12.83 C Showalter Index: 13.45 C Risk: None Total Totals Index: 29.80 C Risk: None Vertical Totals Index: 18.90 C Cross Totals Index: 10.90 C K Index: -9.10 Risk: None Sweat Index: 115.89 Risk: None Energy Index: 3.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.57 J/kg Max Up Vert Vel: 6.26 m/s Conv Inhibition (B-): 68386.01 J/kg Cap Strength: 15.05 C Lift Cond Lev (LCL): 848.62 mb = 1553.31 m = 5096.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 19 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 ---------------------------------------------------------- 0 987 306 190 6 1.0 5.9 | 109 19 -18.0 6.2 1 952 610 200 34 11.6 31.9 | 167 33 -7.4 32.3 2 925 844 220 34 21.9 26.0 | 186 27 2.8 26.4 3 917 914 225 34 24.0 24.0 | 192 25 5.0 24.4 4 884 1219 235 28 22.9 16.1 | 193 17 3.9 16.4 5 850 1540 240 28 24.2 14.0 | 200 15 5.2 14.3 6 821 1829 235 20 16.4 11.5 | 167 12 -2.7 11.8 7 791 2134 250 24 22.6 8.2 | 202 9 3.5 8.5 8 762 2438 240 33 28.6 16.5 | 210 19 9.5 16.8 9 734 2743 225 30 21.2 21.2 | 186 22 2.2 21.5 10 707 3048 245 24 21.8 10.1 | 194 11 2.7 10.5 11 700 3129 245 26 23.6 11.0 | 202 12 4.5 11.3 12 654 3658 250 24 22.6 8.2 | 202 9 3.5 8.5 13 629 3962 240 27 23.4 13.5 | 197 14 4.3 13.8 14 606 4267 255 30 29.0 7.8 | 231 13 9.9 8.1 15 560 4877 265 20 19.9 1.7 | 203 2 0.9 2.1 16 539 5182 250 19 17.9 6.5 | 170 7 -1.2 6.8 17 500 5770 245 24 21.8 10.1 | 194 11 2.7 10.5 18 479 6096 250 22 20.7 7.5 | 192 8 1.6 7.9 19 441 6706 260 24 23.6 4.2 | 225 6 4.6 4.5 20 424 7010 245 26 23.6 11.0 | 202 12 4.5 11.3 21 407 7315 250 25 23.5 8.6 | 207 10 4.4 8.9 22 400 7440 260 16 15.8 2.8 | 133 5 -3.3 3.1 23 390 7620 260 13 12.8 2.3 | 113 7 -6.3 2.6 24 343 8534 280 25 24.6 -4.3 | 306 7 5.6 -4.0 25 328 8839 300 24 20.8 -12.0 | 352 12 1.7 -11.7 26 315 9144 300 24 20.8 -12.0 | 352 12 1.7 -11.7 27 300 9480 300 31 26.8 -15.5 | 333 17 7.8 -15.2 28 251 10668 310 30 23.0 -19.3 | 348 19 3.9 -18.9 29 250 10700 310 29 22.2 -18.6 | 350 19 3.2 -18.3 30 240 10973 305 29 23.8 -16.6 | 344 17 4.7 -16.3 31 218 11582 330 34 17.0 -29.4 | 4 29 -2.1 -29.1 32 200 12130 330 49 24.5 -42.4 | 353 42 5.4 -42.1 33 198 12192 330 49 24.5 -42.4 | 353 42 5.4 -42.1 34 171 13088 310 32 24.5 -20.6 | 345 21 5.5 -20.2 35 170 13106 315 30 21.2 -21.2 | 354 21 2.2 -20.9 36 154 13716 320 53 34.1 -40.6 | 340 43 15.0 -40.3 37 150 13890 320 34 21.9 -26.0 | 354 26 2.8 -25.7 38 147 14021 325 43 24.7 -35.2 | 351 35 5.6 -34.9 39 140 14326 315 32 22.6 -22.6 | 351 23 3.6 -22.3 40 133 14630 320 36 23.1 -27.6 | 351 28 4.1 -27.2 41 127 14935 310 47 36.0 -30.2 | 330 34 17.0 -29.9 42 121 15240 315 41 29.0 -29.0 | 341 30 9.9 -28.7 43 115 15545 325 39 22.4 -31.9 | 354 32 3.3 -31.6 44 100 16400 320 40 25.7 -30.6 | 348 31 6.7 -30.3 45 99 16459 300 38 32.9 -19.0 | 323 23 13.9 -18.7 46 94 16764 320 40 25.7 -30.6 | 348 31 6.7 -30.3 47 85 17374 310 37 28.3 -23.8 | 338 25 9.3 -23.4 48 77 17983 335 29 12.3 -26.3 | 15 27 -6.8 -25.9 49 74 18288 315 22 15.6 -15.6 | 13 16 -3.5 -15.2 50 70 18610 335 21 8.9 -19.0 | 29 21 -10.2 -18.7 51 67 18898 335 21 8.9 -19.0 | 29 21 -10.2 -18.7 52 64 19202 285 16 15.5 -4.1 | 43 5 -3.6 -3.8 53 60 19507 315 24 17.0 -17.0 | 7 17 -2.1 -16.6 54 58 19812 295 18 16.3 -7.6 | 21 8 -2.7 -7.3 55 52 20422 290 29 27.3 -9.9 | 319 13 8.2 -9.6 56 50 20670 310 12 9.2 -7.7 | 53 12 -9.9 -7.4 57 50 20726 335 22 9.3 -19.9 | 26 22 -9.8 -19.6 58 47 21031 305 12 9.8 -6.9 | 55 11 -9.2 -6.5 59 45 21336 305 11 9.0 -6.3 | 59 12 -10.0 -6.0 60 41 21946 280 15 14.8 -2.6 | 62 5 -4.3 -2.3 61 39 22250 315 14 9.9 -9.9 | 44 13 -9.2 -9.6 62 37 22555 285 19 18.4 -4.9 | 9 5 -0.7 -4.6 63 35 22860 315 10 7.1 -7.1 | 61 14 -12.0 -6.7 64 33 23165 235 10 8.2 5.7 | 119 12 -10.9 6.1 65 30 23774 280 18 17.7 -3.1 | 25 3 -1.3 -2.8 66 30 23810 265 12 12.0 1.0 | 101 7 -7.1 1.4 67 29 24079 295 14 12.7 -5.9 | 49 8 -6.4 -5.6 68 27 24384 245 23 20.8 9.7 | 190 10 1.8 10.1 69 25 24994 280 27 26.6 -4.7 | 300 9 7.5 -4.4 70 21 25908 295 33 29.9 -13.9 | 321 17 10.9 -13.6 71 20 26310 285 17 16.4 -4.4 | 33 5 -2.6 -4.1 72 19 26518 305 21 17.2 -12.0 | 9 12 -1.9 -11.7 73 18 26822 270 16 16.0 -0.0 | 96 3 -3.1 0.3 74 17 27432 275 20 19.9 -1.7 | 328 2 0.9 -1.4 75 16 27737 245 29 26.3 12.3 | 210 15 7.2 12.6 76 15 28042 255 33 31.9 8.5 | 235 16 12.8 8.9 77 13 28956 280 31 30.5 -5.4 | 294 13 11.5 -5.0 78 13 29261 250 29 27.3 9.9 | 219 13 8.2 10.3 79 10 30680 270 55 55.0 -0.0 | 269 36 35.9 0.3 Wind Parameters Mean winds (0-6000m): 241.0 at 25.4 knts Storm direction: 271.0 at 19.1 knts Shear (0-3000m) pos: 5.7 neg: 1.9 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 93.0 deg Storm rel helicity (0-3000m) pos: 290.5 neg: -64.3 tot: 226.2 m^2/s^2 ave: 75.4 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 16.4 stream: 6.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.56 Bulk Shear: 35.16 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 ------------------------------------------------------------------------------- 500 204 25 160 25| 29.6 0.0 29.6|218.2 0.0 218.2 436.3 0.85| 39.2 33.4 1000 217 28 175 23| 12.5 0.0 12.5|252.4 0.0 252.4 252.4 0.73| 26.5 19.4 1500 224 28 180 20| 8.3 2.5 10.8|257.2 -24.1 233.1 155.4 0.53| 20.8 11.0 2000 229 27 183 18| 8.5 1.9 10.4|277.5 -24.1 253.4 126.7 0.54| 18.6 10.1 2500 230 27 186 18| 6.8 2.3 9.1|278.2 -64.3 213.9 85.6 0.37| 17.7 6.5 3000 232 27 188 17| 5.7 1.9 7.6|290.5 -64.3 226.2 75.4 0.37| 16.4 6.0 4000 236 27 192 16| 4.9 1.5 6.4|317.1 -66.7 250.4 62.6 0.38| 14.1 5.4 5000 240 26 194 14| 3.3 1.6 4.9|318.6 -71.3 247.4 49.5 0.31| 12.9 4.0 6000 241 25 194 13| 2.8 1.3 4.1|327.3 -72.1 255.2 42.5 0.32| 11.4 3.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251013.00.gif