UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 12 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 226 230 2 SFC 991 306 0.0 -2.1 86 2.1 -0.8 230 2 273.9 274.4 272.8 282.9 3.30 2 988 330 0.4 -1.5 87 1.9 -0.4 229 4 274.5 275.1 273.4 283.9 3.46 3 944 691 2.2 -2.1 73 4.3 0.4 222 28 279.9 280.5 276.5 289.6 3.47 4 925 853 1.0 -2.5 77 3.5 -0.4 225 25 280.3 280.9 276.6 289.9 3.43 5 916 931 0.6 -3.3 75 3.9 -1.0 224 24 280.7 281.3 276.6 289.9 3.27 6 907 1011 1.0 -6.0 59 7.0 -1.6 222 22 281.9 282.4 276.5 289.6 2.69 7 904 1037 2.6 -19.4 18 22.0 -3.5 221 22 283.8 284.0 274.9 286.6 0.91 8 887 1191 4.0 -22.0 13 26.0 -3.1 216 19 286.8 286.9 276.2 289.1 0.74 9 850 1538 5.6 -28.4 7 34.0 -2.9 200 12 292.0 292.1 278.3 293.4 0.43 10 822 1812 5.6 -33.4 4 39.0 -3.3 228 16 294.8 294.9 279.4 295.8 0.28 11 821 1821 5.6 -33.4 4 39.0 -3.3 229 16 294.9 295.0 279.5 295.9 0.28 12 797 2063 4.2 -31.8 5 36.0 -4.2 230 14 295.9 296.0 280.0 297.1 0.33 13 791 2125 4.4 -4.6 52 9.0 0.4 230 14 296.8 297.4 284.2 307.1 3.43 14 784 2197 3.8 -3.2 60 7.0 0.6 230 14 296.9 297.6 284.7 308.4 3.85 15 780 2238 3.6 -4.4 56 8.0 0.1 230 15 297.1 297.8 284.5 307.7 3.53 16 777 2269 3.8 -14.2 25 18.0 -2.5 230 15 297.7 298.0 282.5 302.8 1.64 17 775 2290 3.6 -4.4 56 8.0 0.1 230 15 297.7 298.3 284.7 308.4 3.56 18 726 2817 0.4 -10.6 43 11.0 -3.8 233 21 299.8 300.2 284.2 307.0 2.35 19 700 3108 -1.5 -8.5 59 7.0 -4.3 245 23 300.8 301.3 285.2 309.6 2.87 20 698 3131 -1.7 -8.7 59 7.0 -4.5 247 23 300.8 301.4 285.1 309.6 2.84 21 686 3269 -1.9 -21.9 20 20.0 -7.6 258 24 302.1 302.3 283.5 305.3 0.96 22 669 3467 -3.1 -16.1 36 13.0 -7.4 265 26 303.0 303.3 284.6 308.1 1.63 23 582 4559 -7.9 -26.9 20 19.0 -12.5 282 32 309.7 309.8 286.1 312.1 0.73 24 537 5178 -13.1 -26.1 33 13.0 -16.1 295 40 310.7 310.8 286.6 313.5 0.85 25 528 5307 -13.3 -41.3 8 28.0 -17.6 295 38 311.9 312.0 286.2 312.6 0.19 26 514 5511 -14.5 -38.5 11 24.0 -18.4 295 34 312.9 312.9 286.7 313.8 0.27 27 504 5660 -14.3 -38.3 11 24.0 -18.3 295 31 314.9 314.9 287.4 315.9 0.28 28 500 5720 -14.9 -38.9 11 24.0 -18.8 295 30 314.9 314.9 287.3 315.8 0.26 29 400 7370 -27.5 -41.5 25 14.0 -29.1 315 27 319.2 319.3 288.8 320.2 0.25 30 399 7388 -27.7 -41.7 25 14.0 -29.3 315 27 319.2 319.3 288.8 320.1 0.25 31 385 7644 -29.7 -36.7 51 7.0 -30.6 316 28 319.9 319.9 289.2 321.4 0.43 32 367 7984 -32.7 -38.7 55 6.0 -33.4 329 33 320.3 320.4 289.2 321.6 0.37 33 362 8080 -33.7 -39.7 55 6.0 -34.3 328 32 320.2 320.3 289.2 321.4 0.34 34 337 8581 -35.5 -48.5 25 13.0 -36.4 321 30 324.4 324.4 290.2 324.9 0.14 35 313 9091 -39.7 -49.7 34 10.0 -40.3 334 39 325.4 325.5 290.6 325.9 0.13 36 300 9380 -41.7 -54.7 23 13.0 -42.3 330 42 326.6 326.6 290.8 326.9 0.08 37 284 9749 -44.5 -62.5 12 18.0 -45.0 332 45 327.7 327.7 291.1 327.9 0.03 38 261 10309 -49.3 -56.3 44 7.0 -49.6 334 50 328.7 328.7 291.4 329.0 0.07 39 252 10538 -50.7 -59.7 34 9.0 -51.0 335 53 329.9 329.9 291.7 330.1 0.05 40 250 10590 -50.9 -59.9 34 9.0 -51.1 335 53 330.4 330.4 291.9 330.6 0.05 41 233 11043 -54.7 -59.1 58 4.4 -54.8 335 56 331.4 331.4 292.2 331.6 0.06 42 228 11181 -55.7 -62.7 41 7.0 -55.8 335 57 331.9 331.9 292.3 332.0 0.04 43 206 11817 -60.5 -67.5 39 7.0 -60.6 335 66 334.1 334.1 292.9 334.2 0.02 44 205 11847 -60.8 -67.4 41 6.7 -60.9 335 66 334.2 334.2 292.9 334.3 0.02 45 200 12000 -62.1 -67.1 51 5.0 -62.1 335 64 334.4 334.4 292.9 334.5 0.02 46 186 12446 -65.3 -68.5 64 3.2 -65.3 331 59 336.3 336.3 293.4 336.3 0.02 47 182 12579 -66.1 -70.2 56 4.1 -66.1 330 57 337.1 337.1 293.6 337.1 0.02 48 175 12817 -66.3 -73.3 37 7.0 -66.4 325 57 340.5 340.5 294.4 340.6 0.01 49 167 13103 -62.7 -76.7 14 14.0 -62.8 320 57 351.1 351.1 296.9 351.1 0.01 50 159 13407 -61.3 -80.3 6 19.0 -61.4 318 46 358.5 358.5 298.4 358.5 0.00 51 150 13770 -60.9 -80.9 5 20.0 -61.1 315 34 365.2 365.2 299.7 365.2 0.00 52 138 14284 -61.9 -83.9 4 22.0 -62.1 311 34 372.2 372.2 300.9 372.2 0.00 53 125 14899 -58.3 -84.3 2 26.0 -58.6 309 44 389.4 389.4 303.7 389.4 0.00 54 100 16290 -60.5 -85.5 2 25.0 -60.8 305 32 410.8 410.8 306.6 410.8 0.00 55 94 16678 -58.3 -86.3 2 28.0 -58.7 304 31 422.5 422.5 308.0 422.5 0.00 56 78 17843 -61.5 -87.5 2 26.0 -61.8 296 27 439.0 439.0 309.8 439.0 0.00 57 73 18257 -58.5 -86.5 2 28.0 -59.0 309 34 453.8 453.8 311.2 453.8 0.00 58 70 18520 -59.9 -86.9 2 27.0 -60.3 295 20 456.2 456.2 311.4 456.3 0.00 59 60 19478 -60.3 -87.3 2 27.0 -60.7 284 13 475.9 475.9 313.1 475.9 0.00 60 51 20479 -64.1 -89.1 2 25.0 -64.4 252 14 489.6 489.7 314.2 489.7 0.00 61 50 20600 -64.1 -89.1 2 25.0 -64.4 255 16 492.4 492.4 314.4 492.4 0.00 62 30 23750 -61.9 -88.9 2 27.0 -62.6 290 16 575.9 575.9 319.5 575.9 0.00 63 26 24643 -59.7 -88.7 1 29.0 -60.8 306 13 606.2 606.2 320.9 606.2 0.01 64 24 25142 -61.7 -89.7 1 28.0 -62.6 240 22 614.4 614.4 321.3 614.5 0.01 65 20 26280 -59.3 -89.3 1 30.0 -60.7 275 25 654.7 654.7 322.9 654.7 0.01 66 16 27684 -56.3 -87.3 1 31.0 -58.6 257 26 707.6 707.6 324.7 707.7 0.01 67 12 29493 -59.9 -88.9 1 29.0 -61.9 262 50 755.5 755.5 326.1 755.6 0.01 68 12 29493 -56.1 -87.1 1 31.0 -59.0 262 50 769.0 769.0 326.4 769.1 0.02 69 10 30660 -52.3 -85.3 1 33.0 -56.9 265 63 824.3 824.3 327.8 824.6 0.03 70 9.3 31128 -53.9 -85.9 1 32.0 -58.2 835.5 835.5 328.1 835.8 0.03 71 6.4 33541 -51.5 -84.5 1 33.0 -57.9 939.9 940.0 330.2 940.4 0.05 72 5.4 34657 -46.1 -82.1 1 36.0 -55.9 1010.8 1010.8 331.4 1011.8 0.09 73 5.3 34782 -46.7 -82.7 1 36.0 -56.2 1013.5 1013.6 331.4 1014.4 0.08 TRP 182 12579 -66.1 -70.2 56 4.1 -66.1 330 57 337.1 337.1 293.6 337.1 0.02 WND 205 11847 -60.8 -67.4 41 6.7 -60.9 335 66 334.2 334.2 292.9 334.3 0.02 Sounding variables and indices 1000-500 mb thick: 5494.00 m Freezing level: 720.53 mb = 2878.09 m = 9442.43 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 33.41 % Est. max temperature: 19.00 C = 66.19 F Sfc-Lift cond lev (LCL): 958.95 mb = 566.76 m = 1859.43 ft T: 1.58 C 700-500 lapse rate: 5.13 C/km ThetaE index: 5.64 C Layer 780.0- 775.0 mb Conv cond level (CCL): 555.37 mb = 4919.45 m = 16139.74 ft Mean mixing ratio: 2.99 g/kg Conv temperature: 36.31 C = 97.35 F Cap Strength: 22.95 C Lifted Index: 22.81 C Risk: None Lifted Index @300 mb: 27.36 C Lifted Index @700 mb: 15.47 C Showalter Index: 18.75 C Risk: None Total Totals Index: 7.00 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: -13.50 C K Index: -14.90 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 4.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.39 J/kg Max Up Vert Vel: 8.41 m/s Conv Inhibition (B-): 69784.90 J/kg Cap Strength: 22.83 C Lift Cond Lev (LCL): 860.52 mb = 1437.90 m = 4717.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 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 ---------------------------------------------------------- 0 991 306 230 2 1.5 1.3 | 121 18 -15.4 9.3 1 954 610 220 30 19.3 23.0 | 184 31 2.3 31.0 2 925 853 225 25 17.7 17.7 | 182 26 0.7 25.7 3 918 914 225 24 17.0 17.0 | 180 25 0.0 25.0 4 884 1219 215 18 10.3 14.7 | 164 24 -6.6 22.8 5 851 1524 205 11 4.6 10.0 | 146 22 -12.3 18.0 6 850 1538 200 12 4.1 11.3 | 146 23 -12.9 19.3 7 820 1829 230 16 12.3 10.3 | 166 19 -4.7 18.3 8 790 2134 230 14 10.7 9.0 | 160 18 -6.2 17.0 9 760 2438 230 16 12.3 10.3 | 166 19 -4.7 18.3 10 732 2743 230 20 15.3 12.9 | 176 21 -1.6 20.9 11 705 3048 245 23 20.8 9.7 | 192 18 3.9 17.7 12 700 3108 245 23 20.8 9.7 | 192 18 3.9 17.7 13 678 3353 265 25 24.9 2.2 | 218 13 7.9 10.2 14 652 3658 265 28 27.9 2.4 | 226 15 10.9 10.5 15 603 4267 275 28 27.9 -2.4 | 243 12 10.9 5.6 16 557 4877 290 37 34.8 -12.7 | 285 18 17.8 -4.6 17 536 5182 295 40 36.3 -16.9 | 295 21 19.3 -8.9 18 500 5720 295 30 27.2 -12.7 | 294 11 10.2 -4.7 19 475 6096 300 29 25.1 -14.5 | 308 10 8.2 -6.5 20 403 7315 305 30 24.6 -17.2 | 320 12 7.6 -9.2 21 400 7370 315 27 19.1 -19.1 | 349 11 2.1 -11.1 22 386 7620 315 28 19.8 -19.8 | 346 12 2.8 -11.8 23 369 7925 330 33 16.5 -28.6 | 1 21 -0.5 -20.6 24 339 8534 320 29 18.6 -22.2 | 353 14 1.7 -14.2 25 310 9144 335 40 16.9 -36.3 | 0 28 -0.1 -28.2 26 300 9380 330 42 21.0 -36.4 | 352 29 4.0 -28.4 27 250 10590 335 53 22.4 -48.0 | 352 40 5.4 -40.0 28 247 10668 335 51 21.6 -46.2 | 353 38 4.6 -38.2 29 205 11847 335 66 27.9 -59.8 | 348 53 10.9 -51.8 30 204 11887 335 66 27.9 -59.8 | 348 53 10.9 -51.8 31 200 12000 335 64 27.0 -58.0 | 349 51 10.1 -50.0 32 182 12579 330 57 28.5 -49.4 | 344 43 11.5 -41.3 33 167 13106 320 57 36.6 -43.7 | 331 41 19.7 -35.6 34 150 13770 315 34 24.0 -24.0 | 336 18 7.1 -16.0 35 144 14021 315 31 21.9 -21.9 | 340 15 5.0 -13.9 36 131 14630 305 38 31.1 -21.8 | 314 20 14.2 -13.8 37 124 14935 310 45 34.5 -28.9 | 320 27 17.5 -20.9 38 118 15240 315 44 31.1 -31.1 | 328 27 14.2 -23.1 39 113 15545 305 37 30.3 -21.2 | 315 19 13.3 -13.2 40 107 15850 325 32 18.4 -26.2 | 356 18 1.4 -18.2 41 100 16290 305 32 26.2 -18.4 | 318 14 9.3 -10.3 42 97 16459 305 32 26.2 -18.4 | 318 14 9.3 -10.3 43 76 17983 295 27 24.5 -11.4 | 294 8 7.5 -3.4 44 73 18288 310 35 26.8 -22.5 | 326 18 9.9 -14.5 45 70 18520 295 20 18.1 -8.5 | 290 1 1.2 -0.4 46 69 18593 320 27 17.4 -20.7 | 358 13 0.4 -12.7 47 66 18898 295 19 17.2 -8.0 | 271 0 0.3 -0.0 48 63 19202 315 19 13.4 -13.4 | 33 6 -3.5 -5.4 49 60 19507 280 12 11.8 -2.1 | 139 8 -5.1 5.9 50 57 19812 305 7 5.7 -4.0 | 110 12 -11.2 4.0 51 54 20117 270 12 12.0 -0.0 | 148 9 -5.0 8.0 52 51 20422 250 13 12.2 4.4 | 159 13 -4.7 12.5 53 50 20600 255 16 15.5 4.1 | 173 12 -1.5 12.2 54 47 21031 255 19 18.4 4.9 | 186 13 1.4 12.9 55 44 21336 285 18 17.4 -4.7 | 187 3 0.4 3.4 56 42 21641 265 13 13.0 1.1 | 156 10 -4.0 9.2 57 40 21946 285 20 19.3 -5.2 | 220 4 2.4 2.8 58 38 22250 275 18 17.9 -1.6 | 189 7 1.0 6.5 59 36 22555 295 23 20.8 -9.7 | 294 4 3.9 -1.7 60 35 22860 285 20 19.3 -5.2 | 220 4 2.4 2.8 61 33 23165 295 26 23.6 -11.0 | 294 7 6.6 -3.0 62 30 23750 290 16 15.0 -5.5 | 143 3 -1.9 2.6 63 30 23774 305 18 14.7 -10.3 | 44 3 -2.2 -2.3 64 28 24079 290 16 15.0 -5.5 | 143 3 -1.9 2.6 65 27 24384 310 14 10.7 -9.0 | 81 6 -6.2 -1.0 66 26 24689 305 13 10.6 -7.5 | 95 6 -6.3 0.6 67 25 24994 245 18 16.3 7.6 | 178 16 -0.6 15.6 68 23 25298 235 26 21.3 14.9 | 191 23 4.3 22.9 69 22 25603 265 25 24.9 2.2 | 218 13 7.9 10.2 70 21 25908 310 13 10.0 -8.4 | 87 7 -7.0 -0.3 71 20 26280 275 25 24.9 -2.2 | 234 10 7.9 5.8 72 19 26518 255 22 21.3 5.7 | 197 14 4.3 13.7 73 18 26822 280 22 21.7 -3.8 | 228 6 4.7 4.2 74 17 27432 270 33 33.0 -0.0 | 243 18 16.0 8.0 75 16 27737 255 25 24.1 6.5 | 206 16 7.2 14.5 76 15 28042 235 30 24.6 17.2 | 197 26 7.6 25.2 77 14 28651 260 41 40.4 7.1 | 237 28 23.4 15.1 78 10 30660 265 63 62.8 5.5 | 254 48 45.8 13.5 Wind Parameters Mean winds (0-6000m): 265.3 at 25.0 knts Storm direction: 295.3 at 18.8 knts Shear (0-3000m) pos: 3.2 neg: 2.4 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 90.9 deg Storm rel helicity (0-3000m) pos: 235.3 neg: -104.8 tot: 130.5 m^2/s^2 ave: 43.5 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 13.1 stream: 4.9 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.86 Bulk Shear: 40.97 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 21 172 24| 0.0 24.7 24.7|120.3 -6.3 114.1 228.1 0.67| 33.1 22.3 1000 221 21 172 24| 0.0 7.3 7.3|120.3 -70.9 49.4 49.4 0.27| 22.3 6.0 1500 219 19 167 23| 1.5 4.8 6.3|156.1 -98.8 57.2 38.2 0.24| 19.1 4.6 2000 221 18 166 22| 1.3 3.6 4.9|160.9-104.8 56.1 28.1 0.22| 15.1 3.4 2500 223 18 167 21| 1.7 2.9 4.6|188.9-104.8 84.2 33.7 0.29| 13.3 3.8 3000 228 18 171 21| 3.2 2.4 5.6|235.3-104.8 130.5 43.5 0.37| 13.1 4.9 4000 242 21 184 18| 3.3 1.8 5.1|264.6-104.8 159.8 40.0 0.42| 11.1 4.7 5000 256 24 204 15| 4.0 1.5 5.5|322.8-104.8 218.0 43.6 0.48| 10.7 5.2 6000 265 25 218 13| 2.8 1.2 4.0|331.5-105.0 226.5 37.7 0.46| 9.8 4.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251012.12.gif