UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 19 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 40 SFC 969 306 7.6 4.8 82 2.8 6.2 185 7 283.3 284.2 280.8 298.8 5.56 2 925 682 4.6 4.4 99 0.2 4.5 185 24 284.0 285.0 281.3 299.8 5.67 3 884 1050 3.0 3.0 100 0.0 3.0 203 32 286.1 287.0 281.8 301.2 5.37 4 850 1371 7.8 7.8 100 0.0 7.8 215 25 294.3 295.7 287.7 316.9 7.83 5 844 1430 8.0 8.0 100 0.0 8.0 215 25 295.1 296.6 288.2 318.2 8.00 6 749 2407 2.8 0.9 87 1.9 1.8 225 25 299.7 300.7 287.4 316.0 5.46 7 700 2952 -1.1 -1.1 100 0.0 -1.1 230 30 301.3 302.2 287.6 316.4 5.05 8 653 3504 -4.5 -4.5 100 0.0 -4.5 230 36 303.5 304.2 287.5 316.3 4.19 9 647 3576 -5.1 -5.2 99 0.1 -5.1 230 37 303.6 304.3 287.4 315.9 4.01 10 621 3897 -8.7 -18.7 44 10.0 -11.6 234 39 303.1 303.3 284.4 307.6 1.41 11 602 4138 -8.5 -16.5 52 8.0 -11.0 230 41 306.0 306.3 285.9 311.6 1.75 12 596 4216 -8.1 -12.0 73 3.9 -9.5 227 42 307.3 307.8 287.2 315.4 2.56 13 595 4229 -7.5 -9.2 88 1.7 -8.2 227 42 308.2 308.8 288.2 318.3 3.20 14 592 4269 -7.5 -11.7 72 4.2 -9.1 225 42 308.6 309.1 287.8 317.0 2.64 15 588 4321 -7.3 -8.9 88 1.6 -7.9 224 41 309.5 310.1 288.7 319.9 3.32 16 584 4375 -7.5 -8.9 90 1.4 -8.1 222 41 309.8 310.5 288.9 320.4 3.34 17 580 4428 -7.7 -11.2 76 3.5 -9.0 220 40 310.2 310.7 288.5 319.1 2.80 18 564 4646 -8.5 -12.1 75 3.6 -9.8 217 39 311.7 312.3 288.9 320.4 2.68 19 529 5140 -12.1 -14.6 82 2.5 -12.9 225 47 313.2 313.6 289.0 320.8 2.33 20 515 5345 -13.1 -20.1 56 7.0 -15.1 225 48 314.4 314.7 288.5 319.4 1.50 21 500 5570 -14.5 -16.7 83 2.2 -15.2 220 47 315.4 315.8 289.4 322.2 2.07 22 493 5677 -14.9 -18.9 71 4.0 -16.1 218 46 316.1 316.5 289.3 322.0 1.74 23 427 6746 -23.5 -24.4 92 0.9 -23.7 201 44 318.4 318.7 289.6 322.7 1.24 24 422 6832 -24.3 -26.9 79 2.6 -24.8 203 44 318.5 318.7 289.3 322.0 1.00 25 400 7220 -26.7 -28.5 85 1.8 -27.1 215 44 320.3 320.5 289.8 323.5 0.91 26 374 7701 -29.9 -33.2 73 3.3 -30.4 221 51 322.3 322.4 290.1 324.5 0.62 27 320 8791 -38.5 -42.4 67 3.9 -38.8 225 66 325.0 325.1 290.6 326.1 0.29 28 300 9230 -42.5 -45.7 71 3.2 -42.7 225 74 325.5 325.5 290.6 326.3 0.21 29 269 9955 -49.3 -51.8 75 2.5 -49.4 228 78 325.9 325.9 290.7 326.3 0.12 30 262 10127 -50.9 -51.9 89 1.0 -51.0 229 79 326.0 326.0 290.7 326.5 0.12 31 250 10430 -53.9 -58.0 61 4.1 -54.0 230 81 325.9 325.9 290.6 326.2 0.06 32 246 10533 -54.9 -58.8 62 3.9 -55.0 230 81 325.9 326.0 290.6 326.2 0.06 33 242 10637 -55.7 -58.7 69 3.0 -55.8 230 81 326.3 326.3 290.7 326.5 0.06 34 232 10905 -54.8 -62.2 40 7.4 -55.0 240 96 331.6 331.6 292.2 331.7 0.04 35 224 11129 -54.1 -65.1 25 11.0 -54.3 241 84 336.0 336.0 293.3 336.1 0.03 36 216 11362 -52.5 -72.5 7 20.0 -52.8 243 66 342.0 342.0 294.8 342.1 0.01 37 206 11669 -50.9 -74.9 4 24.0 -51.3 245 44 349.2 349.2 296.5 349.2 0.01 38 200 11860 -52.1 -76.1 4 24.0 -52.5 245 34 350.3 350.3 296.7 350.3 0.01 39 180 12540 -53.5 -79.5 3 26.0 -53.9 239 30 358.7 358.7 298.4 358.7 0.00 40 177 12648 -52.3 -79.3 2 27.0 -52.7 238 30 362.4 362.4 299.2 362.4 0.00 41 150 13710 -56.1 -82.1 2 26.0 -56.4 250 30 373.4 373.4 301.2 373.4 0.00 42 148 13795 -56.7 -82.7 2 26.0 -57.0 256 34 373.8 373.8 301.2 373.8 0.00 43 143 14014 -55.1 -82.1 2 27.0 -55.5 246 39 380.3 380.3 302.3 380.3 0.00 44 118 15224 -61.1 -85.1 3 24.0 -61.3 280 19 390.7 390.7 303.9 390.7 0.00 45 115 15385 -59.7 -84.7 2 25.0 -60.0 280 19 396.2 396.2 304.7 396.2 0.00 46 102 16136 -59.1 -86.1 2 27.0 -59.4 279 24 411.2 411.2 306.7 411.2 0.00 47 100 16260 -59.5 -85.5 2 26.0 -59.8 275 21 412.8 412.8 306.9 412.8 0.00 48 93 16714 -58.3 -86.3 2 28.0 -58.7 287 21 423.8 423.8 308.2 423.8 0.00 49 71 18392 -62.1 -88.1 2 26.0 -62.4 320 9 449.7 449.7 310.8 449.7 0.00 50 70 18480 -61.3 -88.3 2 27.0 -61.7 315 8 453.2 453.2 311.1 453.3 0.00 51 55 19983 -58.7 -87.7 1 29.0 -59.3 302 13 491.6 491.6 314.4 491.6 0.00 52 50 20580 -59.7 -88.7 1 29.0 -60.3 260 14 502.8 502.8 315.1 502.8 0.00 53 30 23760 -60.7 -89.7 1 29.0 -61.6 285 22 579.2 579.2 319.6 579.2 0.00 54 22 25680 -62.9 -89.9 1 27.0 -63.8 295 21 626.3 626.3 321.7 626.4 0.01 55 20 26270 -60.9 -89.9 1 29.0 -62.1 280 26 649.8 649.8 322.7 649.8 0.01 56 19 26589 -60.5 -89.5 1 29.0 -61.8 279 27 660.6 660.6 323.1 660.6 0.01 57 15 28055 -62.7 -90.7 1 28.0 -64.0 276 37 699.5 699.5 324.4 699.5 0.01 58 11 29990 -57.7 -88.7 1 31.0 -60.4 253 44 782.5 782.5 326.8 782.7 0.01 59 10 30590 -59.1 -90.1 1 31.0 -61.6 265 60 798.9 798.9 327.2 799.0 0.01 60 9.8 30717 -58.7 -88.7 1 30.0 -61.4 805.1 805.1 327.4 805.2 0.02 TRP 232 10905 -57.3 -61.0 63 3.7 -57.3 240 96 327.8 327.8 291.2 328.0 0.04 WND 232 10905 -54.8 -62.2 40 7.4 -55.0 240 96 331.6 331.6 292.2 331.7 0.04 Sounding variables and indices 1000-500 mb thick: 5530.00 m Freezing level: 713.82 mb = 2798.35 m = 9180.82 ft Wetbulb zero: 718.29 mb = 2744.33 m = 9003.60 ft Precipitable water: 0.97 inches Sfc-500 mean rel hum: 86.28 % Est. max temperature: 20.48 C = 68.86 F Sfc-Lift cond lev (LCL): 928.38 mb = 652.46 m = 2140.60 ft T: 4.84 C 700-500 lapse rate: 5.12 C/km ThetaE index: 2.25 C Layer 749.0- 700.0 mb Conv cond level (CCL): 909.95 mb = 815.36 m = 2675.02 ft Mean mixing ratio: 5.61 g/kg Conv temperature: 9.05 C = 48.29 F Cap Strength: 13.66 C Lifted Index: 14.02 C Risk: None Lifted Index @300 mb: 17.71 C Lifted Index @700 mb: 7.96 C Showalter Index: 3.64 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 22.30 C K Index: 30.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 226.49 Risk: None Energy Index: 0.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.48 J/kg Max Up Vert Vel: 6.08 m/s Conv Inhibition (B-): 52480.82 J/kg Cap Strength: 13.84 C Lift Cond Lev (LCL): 908.06 mb = 832.23 m = 2730.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 at 26 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 ---------------------------------------------------------- 0 969 306 185 7 0.6 7.0 | 85 24 -23.9 -1.9 1 933 610 185 23 2.0 22.9 | 122 27 -22.5 14.0 2 925 682 185 24 2.1 23.9 | 124 27 -22.5 15.0 3 899 914 190 32 5.6 31.5 | 140 30 -19.0 22.6 4 866 1219 220 32 20.6 24.5 | 166 16 -4.0 15.6 5 850 1371 215 25 14.3 20.5 | 139 15 -10.2 11.6 6 834 1524 215 25 14.3 20.5 | 139 15 -10.2 11.6 7 804 1829 220 25 16.1 19.2 | 140 13 -8.5 10.3 8 774 2134 225 26 18.4 18.4 | 147 11 -6.2 9.5 9 746 2438 225 25 17.7 17.7 | 142 11 -6.9 8.8 10 718 2743 225 30 21.2 21.2 | 165 13 -3.3 12.3 11 700 2952 230 30 23.0 19.3 | 171 11 -1.6 10.4 12 639 3658 230 38 29.1 24.4 | 196 16 4.6 15.5 13 615 3962 235 40 32.8 22.9 | 210 16 8.2 14.0 14 591 4267 225 42 29.7 29.7 | 194 21 5.2 20.8 15 568 4572 215 38 21.8 31.1 | 173 22 -2.8 22.2 16 547 4877 225 45 31.8 31.8 | 198 24 7.3 22.9 17 505 5486 225 49 34.6 34.6 | 201 28 10.1 25.7 18 500 5570 220 47 30.2 36.0 | 192 28 5.7 27.1 19 466 6096 210 44 22.0 38.1 | 175 29 -2.5 29.2 20 429 6706 200 44 15.0 41.3 | 164 34 -9.5 32.4 21 400 7220 215 44 25.2 36.0 | 181 27 0.7 27.1 22 395 7315 215 44 25.2 36.0 | 181 27 0.7 27.1 23 378 7620 220 50 32.1 38.3 | 194 30 7.6 29.4 24 362 7925 225 53 37.5 37.5 | 204 31 12.9 28.6 25 304 9144 225 71 50.2 50.2 | 212 49 25.7 41.3 26 300 9230 225 74 52.3 52.3 | 213 52 27.8 43.4 27 250 10430 230 81 62.0 52.1 | 221 57 37.5 43.2 28 241 10668 230 81 62.0 52.1 | 221 57 37.5 43.2 29 232 10905 240 96 83.1 48.0 | 236 70 58.6 39.1 30 230 10973 240 96 83.1 48.0 | 236 70 58.6 39.1 31 209 11582 245 49 44.4 20.7 | 239 23 19.9 11.8 32 200 11860 245 34 30.8 14.4 | 229 8 6.3 5.5 33 199 11887 250 36 33.8 12.3 | 250 10 9.3 3.4 34 190 12192 240 31 26.8 15.5 | 199 7 2.3 6.6 35 157 13411 235 29 23.8 16.6 | 174 8 -0.8 7.7 36 150 13710 250 30 28.2 10.3 | 250 4 3.6 1.4 37 150 13716 260 32 31.5 5.6 | 296 8 7.0 -3.3 38 143 14021 245 39 35.3 16.5 | 235 13 10.8 7.6 39 136 14326 250 25 23.5 8.6 | 72 1 -1.1 -0.3 40 123 14935 275 22 21.9 -1.9 | 14 11 -2.6 -10.8 41 118 15240 280 19 18.7 -3.3 | 26 14 -5.8 -12.2 42 112 15545 280 20 19.7 -3.5 | 21 13 -4.9 -12.4 43 107 15850 260 19 18.7 3.3 | 46 8 -5.8 -5.6 44 102 16154 280 24 23.6 -4.2 | 4 13 -0.9 -13.1 45 100 16260 275 21 20.9 -1.8 | 19 11 -3.6 -10.7 46 97 16459 275 21 20.9 -1.8 | 19 11 -3.6 -10.7 47 88 17069 305 20 16.4 -11.5 | 22 22 -8.2 -20.4 48 84 17374 270 19 19.0 -0.0 | 32 10 -5.5 -8.9 49 80 17678 275 24 23.9 -2.1 | 3 11 -0.6 -11.0 50 72 18288 325 11 6.3 -9.0 | 46 26 -18.2 -17.9 51 70 18480 315 8 5.7 -5.7 | 52 24 -18.9 -14.6 52 69 18593 310 10 7.7 -6.4 | 48 23 -16.9 -15.3 53 65 18898 315 4 2.8 -2.8 | 62 25 -21.7 -11.7 54 62 19202 250 10 9.4 3.4 | 70 16 -15.1 -5.5 55 59 19507 275 16 15.9 -1.4 | 40 13 -8.6 -10.3 56 57 19812 335 14 5.9 -12.7 | 41 29 -18.6 -21.6 57 51 20422 220 10 6.4 7.7 | 86 18 -18.1 -1.2 58 50 20580 260 14 13.8 2.4 | 59 13 -10.8 -6.5 59 49 20726 225 17 12.0 12.0 | 104 13 -12.5 3.1 60 47 21031 285 16 15.5 -4.1 | 35 16 -9.1 -13.0 61 44 21336 300 18 15.6 -9.0 | 27 20 -9.0 -17.9 62 42 21641 280 16 15.8 -2.8 | 37 15 -8.8 -11.7 63 40 21946 295 10 9.1 -4.2 | 50 20 -15.5 -13.1 64 38 22250 270 12 12.0 -0.0 | 55 15 -12.5 -8.9 65 33 23165 305 22 18.0 -12.6 | 17 22 -6.5 -21.5 66 31 23470 310 10 7.7 -6.4 | 48 23 -16.9 -15.3 67 30 23760 285 22 21.3 -5.7 | 13 15 -3.3 -14.6 68 30 23774 270 11 11.0 -0.0 | 57 16 -13.5 -8.9 69 27 24384 295 25 22.7 -10.6 | 6 20 -1.9 -19.5 70 26 24689 270 14 14.0 -0.0 | 50 14 -10.5 -8.9 71 25 24994 285 21 20.3 -5.4 | 17 15 -4.3 -14.3 72 23 25298 275 22 21.9 -1.9 | 14 11 -2.6 -10.8 73 22 25603 295 22 19.9 -9.3 | 14 19 -4.6 -18.2 74 21 25908 295 19 17.2 -8.0 | 23 18 -7.3 -16.9 75 20 26213 270 19 19.0 -0.0 | 32 10 -5.5 -8.9 76 20 26270 280 26 25.6 -4.5 | 355 13 1.1 -13.4 77 17 27432 275 28 27.9 -2.4 | 344 12 3.3 -11.3 78 15 28042 275 37 36.9 -3.2 | 315 17 12.3 -12.1 79 14 28346 285 40 38.6 -10.4 | 324 24 14.1 -19.3 80 13 28956 270 35 35.0 -0.0 | 310 14 10.5 -8.9 81 12 29261 280 37 36.4 -6.4 | 322 19 11.9 -15.3 82 12 29566 245 32 29.0 13.5 | 224 6 4.5 4.6 83 10 30590 265 60 59.8 5.2 | 276 35 35.2 -3.7 Wind Parameters Mean winds (0-6000m): 220.1 at 34.8 knts Storm direction: 250.1 at 26.1 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 101.2 deg Storm rel helicity (0-3000m) pos: 257.8 neg: -31.5 tot: 226.4 m^2/s^2 ave: 75.5 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 6.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.29 Bulk Shear: 64.10 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 ------------------------------------------------------------------------------- 500 185 19 114 25| 21.9 0.0 21.9|137.6 0.0 137.6 275.1 0.97| 22.1 21.3 1000 197 25 131 23| 11.5 0.0 11.5|224.0 -16.4 207.6 207.6 0.67| 23.3 15.5 1500 204 25 134 20| 6.7 0.0 6.7|225.6 -29.2 196.4 130.9 0.54| 17.3 9.4 2000 209 25 137 18| 5.3 0.0 5.3|229.9 -30.5 199.5 99.7 0.53| 13.7 7.3 2500 212 26 140 17| 5.2 0.0 5.2|245.4 -31.5 214.0 85.6 0.56| 12.1 6.8 3000 216 27 145 16| 5.1 0.0 5.1|257.8 -31.5 226.4 75.5 0.57| 11.1 6.3 4000 221 30 159 15| 4.5 0.8 5.3|280.9 -60.3 220.6 55.1 0.47| 10.2 4.8 5000 221 32 169 16| 4.1 0.9 4.9|343.4 -94.1 249.3 49.9 0.42| 10.0 4.2 6000 220 35 173 18| 3.4 1.8 5.2|345.3-206.2 139.1 23.2 0.23| 9.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251019.00.gif