UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 19 APR 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 93 SFC 974 306 -0.3 -7.3 59 7.0 -2.7 120 4 274.9 275.3 271.9 281.2 2.26 2 925 714 -4.1 -8.6 71 4.5 -5.5 105 6 275.1 275.5 271.8 281.1 2.15 3 866 1229 -8.5 -10.8 83 2.3 -9.2 150 4 275.8 276.1 271.9 281.2 1.93 4 850 1373 -8.1 -20.1 37 12.0 -10.8 235 12 277.7 277.8 271.4 280.3 0.91 5 845 1419 -7.3 -27.3 19 20.0 -11.1 237 12 279.0 279.1 271.4 280.4 0.48 6 843 1437 -7.3 -20.3 35 13.0 -10.3 237 12 279.2 279.3 272.2 281.8 0.90 7 838 1484 -7.5 -33.5 10 26.0 -11.7 239 13 279.4 279.5 271.3 280.3 0.27 8 832 1540 -7.7 -25.7 22 18.0 -11.3 241 13 279.8 279.9 272.0 281.5 0.57 9 802 1825 -8.3 -36.3 8 28.0 -12.5 255 6 282.1 282.1 272.8 282.8 0.21 10 792 1922 -8.3 -27.3 20 19.0 -12.0 243 5 283.1 283.2 273.9 284.7 0.51 11 789 1951 -8.3 -17.3 48 9.0 -10.6 239 4 283.4 283.6 275.2 287.1 1.25 12 782 2021 -8.7 -14.7 62 6.0 -10.4 230 3 283.7 284.0 275.8 288.3 1.56 13 754 2303 -9.3 -18.3 48 9.0 -11.6 223 3 286.0 286.3 276.5 289.7 1.20 14 733 2521 -9.1 -11.2 85 2.1 -9.8 235 6 288.6 289.0 279.1 295.1 2.21 15 718 2681 -10.1 -10.3 98 0.2 -10.2 246 10 289.2 289.6 279.7 296.4 2.43 16 700 2876 -10.7 -11.6 93 0.9 -11.0 275 9 290.6 291.0 280.1 297.3 2.25 17 671 3201 -12.9 -13.0 99 0.1 -12.9 275 11 291.7 292.1 280.4 298.0 2.09 18 667 3246 -12.7 -14.9 84 2.2 -13.3 279 11 292.4 292.8 280.4 297.9 1.80 19 651 3432 -12.3 -14.4 84 2.1 -12.9 285 12 294.9 295.3 281.7 300.8 1.92 20 646 3491 -12.3 -19.3 56 7.0 -14.1 281 13 295.6 295.8 281.1 299.6 1.28 21 629 3695 -12.7 -15.5 80 2.8 -13.5 270 18 297.4 297.7 282.6 303.0 1.82 22 605 3992 -14.1 -15.7 88 1.6 -14.6 270 20 299.1 299.4 283.4 304.9 1.86 23 582 4285 -15.9 -17.1 90 1.2 -16.2 270 22 300.3 300.6 283.7 305.7 1.72 24 572 4416 -16.5 -18.7 83 2.2 -17.1 269 23 301.1 301.4 283.8 305.9 1.53 25 568 4469 -16.5 -22.5 60 6.0 -17.9 268 23 301.7 301.9 283.5 305.3 1.11 26 560 4576 -16.3 -19.1 79 2.8 -17.0 268 24 303.2 303.5 284.5 308.0 1.51 27 555 4643 -16.7 -22.7 60 6.0 -18.1 267 24 303.5 303.7 284.2 307.1 1.11 28 511 5260 -21.1 -28.1 53 7.0 -22.4 262 34 305.4 305.5 284.5 307.9 0.74 29 500 5420 -22.5 -27.1 66 4.6 -23.4 265 40 305.6 305.8 284.7 308.4 0.83 30 488 5597 -23.9 -26.9 76 3.0 -24.4 274 45 306.0 306.2 284.9 308.9 0.87 31 455 6104 -26.1 -26.7 95 0.6 -26.2 275 55 309.5 309.6 286.2 312.6 0.95 32 439 6361 -27.7 -30.3 78 2.6 -28.1 271 58 310.6 310.7 286.4 313.0 0.70 33 438 6377 -27.7 -31.3 71 3.6 -28.2 271 59 310.8 310.9 286.4 313.0 0.64 34 431 6492 -28.5 -31.5 75 3.0 -28.9 271 59 311.2 311.4 286.5 313.4 0.64 35 418 6710 -30.3 -38.3 46 8.0 -31.2 275 58 311.7 311.7 286.4 312.9 0.34 36 400 7020 -33.3 -39.3 55 6.0 -33.9 280 57 311.7 311.8 286.4 312.8 0.32 37 392 7161 -34.7 -40.7 54 6.0 -35.3 280 58 311.7 311.7 286.3 312.7 0.28 38 375 7470 -36.9 -45.9 39 9.0 -37.5 280 61 312.8 312.8 286.5 313.4 0.17 39 328 8380 -44.9 -48.1 70 3.2 -45.0 274 70 314.0 314.0 286.9 314.5 0.15 40 303 8905 -49.3 -53.8 59 4.5 -49.4 270 74 315.0 315.0 287.2 315.3 0.08 41 300 8970 -49.7 -53.9 61 4.2 -49.8 270 75 315.3 315.3 287.3 315.6 0.08 42 288 9237 -52.3 -54.7 75 2.4 -52.4 270 77 315.3 315.3 287.3 315.6 0.08 43 284 9327 -53.1 -55.8 72 2.8 -53.1 270 79 315.4 315.4 287.3 315.7 0.07 44 271 9628 -55.7 -59.7 61 4.0 -55.8 275 77 315.9 315.9 287.5 316.1 0.05 45 258 9941 -57.7 -60.3 72 2.6 -57.8 284 74 317.4 317.4 287.9 317.6 0.04 46 254 10040 -57.9 -62.5 56 4.6 -58.0 287 73 318.5 318.5 288.3 318.7 0.03 47 250 10140 -58.5 -62.6 59 4.1 -58.6 290 72 319.1 319.1 288.5 319.2 0.03 48 239 10420 -60.3 -64.2 60 3.9 -60.3 288 69 320.5 320.5 288.9 320.6 0.03 49 231 10631 -61.3 -66.3 51 5.0 -61.4 280 63 322.1 322.1 289.4 322.2 0.02 50 229 10685 -61.3 -67.3 45 6.0 -61.4 285 61 322.9 322.9 289.7 323.0 0.02 51 225 10794 -60.7 -70.7 26 10.0 -60.8 283 64 325.5 325.5 290.5 325.5 0.01 52 222 10877 -57.5 -76.5 7 19.0 -57.7 281 65 331.7 331.7 292.2 331.7 0.01 53 215 11079 -56.9 -80.9 3 24.0 -57.1 280 63 335.6 335.6 293.2 335.7 0.00 54 212 11168 -56.7 -79.7 4 23.0 -56.9 280 60 337.3 337.3 293.6 337.3 0.00 55 209 11258 -54.3 -80.3 3 26.0 -54.6 280 57 342.4 342.4 294.9 342.5 0.00 56 201 11508 -53.3 -81.3 2 28.0 -53.7 280 49 347.9 347.9 296.1 347.9 0.00 57 200 11540 -53.5 -81.5 2 28.0 -53.8 280 48 348.0 348.0 296.2 348.1 0.00 58 190 11871 -52.1 -82.1 2 30.0 -52.5 280 46 355.4 355.4 297.8 355.5 0.00 59 157 13097 -54.9 -83.9 2 29.0 -55.2 268 43 370.6 370.6 300.7 370.6 0.00 60 150 13390 -53.1 -84.1 1 31.0 -53.5 265 42 378.6 378.6 302.0 378.6 0.00 61 100 16030 -49.7 -83.7 1 34.0 -50.7 275 15 431.7 431.7 309.0 431.7 0.00 62 88 16865 -50.7 -84.7 1 34.0 -51.7 278 13 445.8 445.8 310.4 445.8 0.00 63 70 18360 -49.9 -84.9 1 35.0 -51.2 290 15 477.6 477.6 313.2 477.7 0.00 64 60 19369 -48.5 -84.5 1 36.0 -50.2 286 12 502.3 502.3 315.1 502.3 0.01 65 50 20560 -51.1 -85.1 1 34.0 -52.7 20 4 523.1 523.1 316.5 523.1 0.01 66 31 23667 -52.5 -86.5 1 34.0 -54.5 138 10 595.9 595.9 320.4 595.9 0.01 67 30 23880 -50.9 -85.9 1 35.0 -53.3 40 6 605.9 605.9 320.9 605.9 0.01 68 23 25614 -48.7 -85.7 1 37.0 -52.2 104 10 660.2 660.2 323.1 660.3 0.01 69 20 26530 -49.5 -86.5 1 37.0 -53.1 145 10 684.7 684.7 323.9 684.7 0.01 70 15 28412 -50.5 -86.5 1 36.0 -54.6 88 11 740.0 740.1 325.7 740.2 0.01 71 11 30470 -42.9 -82.9 0 40.0 -51.2 123 18 836.3 836.3 328.1 836.6 0.04 72 10 31110 -45.1 -85.1 0 40.0 -52.8 150 15 851.2 851.2 328.4 851.5 0.03 73 8.1 32513 -46.7 -85.7 0 39.0 -54.5 897.7 897.7 329.4 898.0 0.03 74 6.7 33794 -38.5 -80.5 0 42.0 -51.7 982.1 982.2 330.9 983.2 0.09 75 5.6 35029 -37.5 -79.5 0 42.0 -52.2 1038.2 1038.3 331.8 1039.8 0.13 76 4.6 36407 -30.5 -75.5 0 45.0 -51.0 1130.9 1131.1 333.1 1134.9 0.29 TRP 231 10631 -61.3 -66.3 51 5.0 -61.4 280 63 322.1 322.1 289.4 322.2 0.02 WND 284 9327 -53.1 -55.8 72 2.8 -53.1 270 79 315.4 315.4 287.3 315.7 0.07 Sounding variables and indices 1000-500 mb thick: 5327.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 67.30 % Est. max temperature: 5.14 C = 41.25 F Sfc-Lift cond lev (LCL): 872.81 mb = 1167.39 m = 3829.97 ft T: -7.98 C 700-500 lapse rate: 4.64 C/km ThetaE index: 1.56 C Layer 838.0- 832.0 mb Conv cond level (CCL): 672.81 mb = 3179.92 m = 10432.68 ft Mean mixing ratio: 2.13 g/kg Conv temperature: 16.30 C = 61.34 F Cap Strength: 20.54 C Lifted Index: 20.49 C Risk: None Lifted Index @300 mb: 24.23 C Lifted Index @700 mb: 11.08 C Showalter Index: 21.13 C Risk: None Total Totals Index: 16.80 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 2.40 C K Index: -6.60 Risk: None Sweat Index: 64.00 Risk: None Energy Index: 5.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.93 J/kg Max Up Vert Vel: 2.42 m/s Conv Inhibition (B-): 85876.05 J/kg Cap Strength: 20.51 C Lift Cond Lev (LCL): 857.96 mb = 1300.76 m = 4267.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 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 ---------------------------------------------------------- 0 974 306 120 4 -3.5 2.0 | 119 19 -16.4 8.9 1 937 610 110 6 -5.6 2.1 | 116 21 -18.6 9.0 2 925 714 105 6 -5.8 1.6 | 114 21 -18.7 8.5 3 902 914 95 7 -7.0 0.6 | 111 21 -19.9 7.5 4 867 1219 145 4 -2.3 3.3 | 124 18 -15.2 10.2 5 850 1373 235 12 9.8 6.9 | 167 14 -3.1 13.8 6 834 1524 240 13 11.3 6.5 | 173 14 -1.7 13.4 7 801 1829 255 6 5.8 1.6 | 140 11 -7.2 8.5 8 770 2134 215 1 0.6 0.8 | 122 15 -12.4 7.7 9 741 2438 230 4 3.1 2.6 | 134 14 -9.9 9.5 10 712 2743 250 12 11.3 4.1 | 171 11 -1.7 11.0 11 700 2876 275 9 9.0 -0.8 | 147 7 -4.0 6.1 12 684 3048 260 12 11.8 2.1 | 173 9 -1.1 9.0 13 657 3353 290 10 9.4 -3.4 | 135 5 -3.6 3.5 14 631 3658 270 18 18.0 -0.0 | 216 9 5.1 6.9 15 606 3962 270 20 20.0 -0.0 | 226 10 7.1 6.9 16 582 4267 270 22 22.0 -0.0 | 233 11 9.1 6.9 17 537 4877 265 26 25.9 2.3 | 235 16 13.0 9.2 18 516 5182 260 31 30.5 5.4 | 235 21 17.6 12.3 19 500 5420 265 40 39.8 3.5 | 249 29 26.9 10.4 20 475 5791 285 51 49.3 -13.2 | 280 37 36.3 -6.3 21 455 6096 275 55 54.8 -4.8 | 267 42 41.8 2.1 22 436 6401 270 59 59.0 -0.0 | 261 47 46.1 6.9 23 400 7020 280 57 56.1 -9.9 | 274 43 43.2 -3.0 24 366 7620 280 63 62.0 -10.9 | 275 49 49.1 -4.0 25 300 8970 270 75 75.0 -0.0 | 264 62 62.1 6.9 26 292 9144 270 75 75.0 -0.0 | 264 62 62.1 6.9 27 284 9327 270 79 79.0 -0.0 | 264 66 66.1 6.9 28 279 9449 270 79 79.0 -0.0 | 264 66 66.1 6.9 29 250 10140 290 72 67.7 -24.6 | 288 58 54.7 -17.7 30 241 10363 290 71 66.7 -24.3 | 288 57 53.8 -17.4 31 231 10631 280 63 62.0 -10.9 | 275 49 49.1 -4.0 32 230 10668 285 61 58.9 -15.8 | 281 47 46.0 -8.9 33 219 10973 280 67 66.0 -11.6 | 275 53 53.0 -4.7 34 200 11540 280 48 47.3 -8.3 | 272 34 34.3 -1.4 35 189 11887 280 46 45.3 -8.0 | 272 32 32.4 -1.1 36 150 13390 265 42 41.8 3.7 | 250 31 28.9 10.6 37 143 13716 270 44 44.0 -0.0 | 257 32 31.1 6.9 38 130 14326 290 37 34.8 -12.7 | 285 23 21.8 -5.7 39 118 14935 260 25 24.6 4.3 | 226 16 11.7 11.3 40 113 15240 285 25 24.1 -6.5 | 268 11 11.2 0.5 41 108 15545 270 20 20.0 -0.0 | 226 10 7.1 6.9 42 100 16030 275 15 14.9 -1.3 | 200 6 2.0 5.6 43 98 16154 290 18 16.9 -6.2 | 259 4 4.0 0.8 44 94 16459 260 19 18.7 3.3 | 209 12 5.8 10.2 45 89 16764 285 12 11.6 -3.1 | 160 4 -1.4 3.8 46 85 17069 265 14 13.9 1.2 | 187 8 1.0 8.1 47 74 17983 265 20 19.9 1.7 | 219 11 7.0 8.7 48 70 18360 290 15 14.1 -5.1 | 213 2 1.1 1.8 49 68 18593 295 12 10.9 -5.1 | 132 3 -2.1 1.9 50 64 18898 265 12 12.0 1.0 | 173 8 -1.0 8.0 51 56 19812 305 12 9.8 -6.9 | 91 3 -3.1 0.0 52 50 20560 20 4 -1.4 -3.8 | 102 15 -14.3 3.2 53 44 21336 350 1 0.2 -1.0 | 115 14 -12.8 5.9 54 42 21641 360 10 -0.0 -10.0 | 77 13 -12.9 -3.1 55 40 21946 10 14 -2.4 -13.8 | 66 17 -15.4 -6.9 56 37 22555 70 10 -9.4 -3.4 | 99 23 -22.3 3.5 57 35 22860 125 10 -8.2 5.7 | 121 25 -21.1 12.7 58 30 23774 140 10 -6.4 7.7 | 127 24 -19.4 14.6 59 30 23880 40 6 -3.9 -4.6 | 98 17 -16.8 2.3 60 29 24079 110 3 -2.8 1.0 | 117 18 -15.8 8.0 61 28 24384 80 10 -9.8 -1.7 | 103 23 -22.8 5.2 62 27 24689 95 15 -14.9 1.3 | 106 29 -27.9 8.2 63 25 24994 95 12 -12.0 1.0 | 108 26 -24.9 8.0 64 24 25298 120 10 -8.7 5.0 | 119 25 -21.6 11.9 65 22 25908 90 10 -10.0 0.0 | 107 24 -22.9 6.9 66 20 26530 145 10 -5.7 8.2 | 129 24 -18.7 15.1 67 17 27432 175 5 -0.4 5.0 | 132 18 -13.4 11.9 68 17 27737 135 3 -2.1 2.1 | 121 18 -15.1 9.1 69 16 28042 90 10 -10.0 0.0 | 107 24 -22.9 6.9 70 14 28956 85 13 -13.0 -1.1 | 103 27 -25.9 5.8 71 13 29261 110 13 -12.2 4.4 | 114 28 -25.2 11.4 72 12 29870 95 20 -19.9 1.7 | 105 34 -32.9 8.7 73 12 30175 110 19 -17.9 6.5 | 114 34 -30.8 13.4 74 10 31110 150 15 -7.5 13.0 | 134 29 -20.4 19.9 Wind Parameters Mean winds (0-6000m): 268.2 at 19.6 knts Storm direction: 298.2 at 14.7 knts Shear (0-3000m) pos: 3.6 neg: 1.3 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 25.8 deg Storm rel helicity (0-3000m) pos: 125.4 neg: -56.9 tot: 68.5 m^2/s^2 ave: 22.8 10^-3 m/s^2 rel: 0.22 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 80.76 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 ------------------------------------------------------------------------------- 500 110 5 116 20| 0.0 3.1 3.1| 0.0 -11.0 -11.0 -21.9 -0.61| 3.5 -2.1 1000 114 6 117 20| 5.7 1.5 7.3| 56.9 -14.8 42.1 42.1 0.53| 8.4 4.4 1500 180 7 138 19| 4.3 1.0 5.4| 87.6 -33.3 54.3 36.2 0.32| 11.1 3.5 2000 194 6 139 17| 3.3 1.9 5.1| 92.3 -47.9 44.4 22.2 0.18| 10.1 1.8 2500 214 6 143 15| 4.4 1.5 5.9|120.4 -49.0 71.3 28.5 0.30| 10.4 3.1 3000 236 7 147 13| 3.6 1.3 4.9|125.4 -56.9 68.5 22.8 0.22| 10.2 2.3 4000 258 10 160 10| 2.7 0.7 3.4|141.0 -56.9 84.1 21.0 0.31| 9.4 2.9 5000 261 13 181 9| 2.2 2.0 4.2|162.2 -56.9 105.3 21.1 0.30| 9.0 2.7 6000 268 20 221 10| 3.5 2.7 6.2|330.2-177.8 152.4 25.4 0.28| 10.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250419.00.gif