UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 24 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 226 SFC 989 306 -1.9 -5.2 78 3.3 -3.1 55 3 272.1 272.5 270.7 279.3 2.62 2 972 445 -3.7 -5.5 87 1.8 -4.3 78 5 271.6 272.1 270.4 278.8 2.61 3 964 512 -3.3 -4.8 89 1.5 -3.8 89 6 272.7 273.2 271.3 280.3 2.77 4 935 758 -0.3 -7.3 59 7.0 -2.7 4 6 278.1 278.5 273.9 284.8 2.36 5 925 845 -0.7 -5.6 69 4.9 -2.5 305 5 278.6 279.1 274.7 286.2 2.72 6 875 1287 -3.9 -6.8 80 2.9 -4.9 289 8 279.7 280.2 275.2 287.1 2.62 7 863 1396 -4.5 -11.5 58 7.0 -6.7 287 9 280.2 280.5 274.3 285.5 1.84 8 853 1487 -5.1 -12.1 58 7.0 -7.2 285 10 280.5 280.8 274.3 285.6 1.77 9 850 1515 -5.5 -11.5 63 6.0 -7.3 285 10 280.4 280.7 274.4 285.7 1.86 10 805 1939 -9.3 -10.1 94 0.8 -9.5 314 13 280.7 281.1 275.1 287.0 2.20 11 791 2074 -10.1 -12.3 84 2.2 -10.7 318 12 281.3 281.6 274.9 286.7 1.88 12 787 2113 -9.7 -19.7 44 10.0 -12.1 319 12 282.1 282.3 274.1 285.2 1.02 13 780 2182 -8.7 -37.7 8 29.0 -12.9 321 12 283.9 284.0 273.8 284.5 0.19 14 773 2252 -8.1 -33.1 11 25.0 -12.3 322 12 285.3 285.4 274.7 286.3 0.30 15 770 2283 -8.3 -26.3 22 18.0 -11.9 322 12 285.4 285.5 275.2 287.2 0.58 16 700 3019 -10.7 -34.7 12 24.0 -14.6 330 10 290.6 290.7 277.4 291.6 0.29 17 652 3561 -13.7 -41.7 7 28.0 -17.3 310 12 293.2 293.2 278.5 293.7 0.15 18 641 3690 -14.1 -37.1 12 23.0 -17.4 305 13 294.2 294.2 279.1 295.0 0.25 19 638 3726 -14.1 -33.1 18 19.0 -17.2 304 13 294.6 294.6 279.4 295.8 0.37 20 629 3834 -14.9 -23.9 46 9.0 -16.8 301 14 294.9 295.0 280.3 297.7 0.88 21 617 3979 -16.1 -24.1 50 8.0 -17.7 298 15 295.1 295.3 280.4 297.9 0.88 22 550 4831 -23.7 -26.9 75 3.2 -24.2 281 16 296.0 296.1 280.6 298.4 0.77 23 547 4871 -23.9 -30.9 52 7.0 -24.9 277 16 296.2 296.3 280.4 297.9 0.53 24 536 5019 -24.7 -33.7 43 9.0 -25.9 273 16 297.0 297.0 280.6 298.3 0.41 25 533 5059 -25.1 -29.1 69 4.0 -25.7 272 17 297.0 297.1 280.9 299.1 0.65 26 513 5336 -27.3 -31.6 67 4.3 -27.9 277 17 297.6 297.7 281.0 299.3 0.53 27 500 5520 -28.5 -37.5 42 9.0 -29.5 265 24 298.3 298.3 281.0 299.3 0.30 28 495 5592 -28.9 -40.9 31 12.0 -30.0 264 24 298.7 298.7 281.1 299.4 0.22 29 475 5885 -31.5 -35.4 68 3.9 -31.9 261 26 299.0 299.1 281.5 300.3 0.39 30 471 5945 -30.9 -43.9 27 13.0 -31.9 262 26 300.5 300.5 281.8 301.0 0.17 31 469 5975 -30.7 -41.7 33 11.0 -31.6 263 27 301.1 301.1 282.1 301.8 0.21 32 426 6648 -36.9 -43.9 48 7.0 -37.4 271 33 301.6 301.6 282.3 302.2 0.18 33 400 7080 -40.9 -48.9 42 8.0 -41.3 275 39 301.8 301.9 282.3 302.2 0.11 34 396 7148 -41.7 -50.7 37 9.0 -42.1 274 39 301.7 301.7 282.2 302.0 0.09 35 372 7570 -45.3 -53.3 40 8.0 -45.6 271 41 302.3 302.3 282.4 302.6 0.07 36 312 8720 -55.3 -58.6 67 3.3 -55.4 260 39 304.0 304.0 283.1 304.1 0.05 37 300 8970 -57.1 -61.0 61 3.9 -57.2 255 38 304.9 304.9 283.4 305.0 0.03 38 299 8991 -57.1 -60.9 62 3.8 -57.2 255 39 305.1 305.2 283.5 305.3 0.04 39 294 9098 -55.5 -62.5 41 7.0 -55.6 255 39 308.9 308.9 284.9 309.0 0.03 40 282 9363 -54.5 -65.5 25 11.0 -54.6 244 43 314.0 314.0 286.8 314.1 0.02 41 272 9593 -55.7 -66.7 24 11.0 -55.8 245 41 315.6 315.6 287.3 315.6 0.02 42 260 9881 -54.7 -75.7 6 21.0 -54.9 254 35 321.1 321.1 289.1 321.1 0.01 43 250 10130 -56.1 -74.1 9 18.0 -56.3 255 27 322.7 322.7 289.6 322.7 0.01 44 243 10311 -57.3 -75.3 8 18.0 -57.5 255 27 323.5 323.5 289.8 323.5 0.01 45 226 10776 -52.7 -80.7 2 28.0 -53.0 244 40 337.3 337.3 293.6 337.3 0.00 46 221 10921 -53.7 -80.7 2 27.0 -54.0 248 42 337.9 337.9 293.8 338.0 0.00 47 201 11537 -50.5 -81.5 1 31.0 -51.0 269 32 352.3 352.3 297.1 352.3 0.00 48 200 11570 -50.7 -81.7 1 31.0 -51.1 270 31 352.5 352.5 297.2 352.5 0.00 49 191 11868 -51.7 -81.7 2 30.0 -52.1 275 26 355.5 355.6 297.8 355.6 0.00 50 166 12779 -48.9 -82.9 1 34.0 -49.6 251 23 374.8 374.8 301.4 374.8 0.00 51 150 13440 -49.9 -83.9 1 34.0 -50.5 255 31 384.1 384.1 302.9 384.1 0.00 52 133 14224 -51.7 -84.7 1 33.0 -52.3 248 29 394.3 394.3 304.4 394.3 0.00 53 129 14423 -50.5 -84.5 1 34.0 -51.2 248 31 399.9 399.9 305.2 399.9 0.00 54 120 14893 -51.7 -84.7 1 33.0 -52.4 269 30 406.1 406.1 306.0 406.1 0.00 55 108 15584 -47.7 -83.7 1 36.0 -48.8 274 23 426.1 426.1 308.4 426.1 0.00 56 100 16090 -49.5 -84.5 1 35.0 -50.5 245 17 432.1 432.1 309.0 432.1 0.00 57 92 16634 -50.9 -84.9 1 34.0 -51.8 251 19 439.7 439.7 309.8 439.8 0.00 58 82 17384 -49.5 -84.5 1 35.0 -50.7 215 16 457.3 457.3 311.5 457.3 0.00 59 70 18410 -53.3 -86.3 1 33.0 -54.2 300 9 470.4 470.4 312.7 470.4 0.00 60 63 19083 -55.5 -87.5 1 32.0 -56.3 185 9 479.9 479.9 313.4 479.9 0.00 61 59 19504 -51.9 -85.9 1 34.0 -53.1 195 14 497.1 497.1 314.7 497.1 0.00 62 50 20570 -53.7 -86.7 1 33.0 -54.9 215 11 516.9 516.9 316.1 517.0 0.00 63 30 23870 -52.9 -86.9 1 34.0 -54.9 115 5 600.4 600.4 320.6 600.5 0.01 64 26 24798 -50.9 -86.9 1 36.0 -53.5 67 11 631.2 631.2 321.9 631.2 0.01 65 20 26500 -52.5 -87.5 1 35.0 -55.3 130 10 675.5 675.5 323.6 675.5 0.01 66 14 28824 -48.1 -86.1 0 38.0 -53.2 55 8 762.9 762.9 326.3 763.1 0.02 67 11 30410 -48.5 -86.5 0 38.0 -54.3 125 17 816.0 816.0 327.6 816.1 0.02 68 10 31040 -46.1 -85.1 0 39.0 -53.3 150 15 847.5 847.5 328.4 847.7 0.03 69 8.1 32448 -44.1 -84.1 0 40.0 -53.2 908.0 908.1 329.6 908.5 0.04 70 5.8 34729 -35.9 -78.9 0 43.0 -51.5 1034.8 1034.9 331.7 1036.5 0.14 71 5.1 35623 -35.7 -78.7 0 43.0 -52.1 1074.5 1074.6 332.3 1076.5 0.16 TRP 299 8991 -57.1 -60.9 62 3.8 -57.2 255 39 305.1 305.2 283.5 305.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5294.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 50.41 % Est. max temperature: 6.44 C = 43.59 F Sfc-Lift cond lev (LCL): 939.03 mb = 723.26 m = 2372.88 ft T: -0.72 C 700-500 lapse rate: 7.12 C/km ThetaE index: 2.48 C Layer 791.0- 773.0 mb Conv cond level (CCL): 825.30 mb = 1744.67 m = 5723.92 ft Mean mixing ratio: 2.62 g/kg Conv temperature: 6.55 C = 43.78 F Cap Strength: 12.23 C Lifted Index: 12.67 C Risk: None Lifted Index @300 mb: 15.13 C Lifted Index @700 mb: 9.38 C Showalter Index: 10.97 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 17.00 C K Index: -12.50 Risk: None Sweat Index: 44.00 Risk: None Energy Index: 2.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.63 J/kg Max Up Vert Vel: 8.79 m/s Conv Inhibition (B-): 73312.27 J/kg Cap Strength: 12.63 C Lift Cond Lev (LCL): 881.39 mb = 1228.75 m = 4031.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 10 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 ---------------------------------------------------------- 0 989 306 55 3 -2.5 -1.7 | 125 11 -9.2 6.3 1 952 610 105 7 -6.8 1.8 | 126 17 -13.5 9.9 2 925 845 305 5 4.1 -2.9 | 153 6 -2.6 5.2 3 917 914 295 6 5.4 -2.5 | 167 6 -1.3 5.5 4 882 1219 290 7 6.6 -2.4 | 179 6 -0.1 5.7 5 850 1515 285 10 9.7 -2.6 | 208 6 2.9 5.5 6 849 1524 285 10 9.7 -2.6 | 208 6 2.9 5.5 7 816 1829 310 13 10.0 -8.4 | 275 3 3.2 -0.3 8 785 2134 320 12 7.7 -9.2 | 319 2 1.0 -1.1 9 754 2438 325 11 6.3 -9.0 | 24 1 -0.4 -0.9 10 725 2743 320 11 7.1 -8.4 | 316 1 0.3 -0.4 11 700 3019 330 10 5.0 -8.7 | 71 2 -1.7 -0.6 12 697 3048 335 10 4.2 -9.1 | 68 3 -2.5 -1.0 13 642 3658 305 13 10.6 -7.5 | 261 4 3.9 0.6 14 592 4267 290 17 16.0 -5.8 | 256 10 9.3 2.2 15 568 4572 305 15 12.3 -8.6 | 276 6 5.6 -0.5 16 545 4877 275 16 15.9 -1.4 | 234 11 9.2 6.7 17 523 5182 270 17 17.0 -0.0 | 232 13 10.3 8.1 18 502 5486 285 17 16.4 -4.4 | 249 10 9.7 3.7 19 500 5520 265 24 23.9 2.1 | 239 20 17.2 10.2 20 481 5791 260 25 24.6 4.3 | 235 22 17.9 12.4 21 460 6096 265 28 27.9 2.4 | 244 24 21.2 10.5 22 404 7010 275 37 36.9 -3.2 | 261 31 30.1 4.8 23 400 7080 275 39 38.9 -3.4 | 262 32 32.1 4.7 24 368 7620 270 41 41.0 -0.0 | 257 35 34.3 8.1 25 352 7925 275 42 41.8 -3.7 | 263 35 35.1 4.4 26 300 8970 255 38 36.7 9.8 | 239 35 30.0 17.9 27 299 8991 255 39 37.7 10.1 | 240 36 30.9 18.2 28 292 9144 255 39 37.7 10.1 | 240 36 30.9 18.2 29 278 9449 240 44 38.1 22.0 | 226 43 31.4 30.1 30 253 10058 260 31 30.5 5.4 | 241 27 23.8 13.4 31 250 10130 255 27 26.1 7.0 | 232 25 19.4 15.1 32 241 10363 255 27 26.1 7.0 | 232 25 19.4 15.1 33 230 10668 240 39 33.8 19.5 | 224 39 27.1 27.6 34 219 10973 250 43 40.4 14.7 | 236 41 33.7 22.8 35 200 11570 270 31 31.0 -0.0 | 252 26 24.3 8.1 36 190 11887 275 26 25.9 -2.3 | 253 20 19.2 5.8 37 165 12802 250 23 21.6 7.9 | 223 22 14.9 15.9 38 150 13440 255 31 29.9 8.0 | 235 28 23.2 16.1 39 137 14021 265 28 27.9 2.4 | 244 24 21.2 10.5 40 131 14326 240 30 26.0 15.0 | 220 30 19.3 23.1 41 125 14630 265 34 33.9 3.0 | 248 29 27.1 11.0 42 119 14935 270 29 29.0 -0.0 | 250 24 22.3 8.1 43 114 15240 255 24 23.2 6.2 | 229 22 16.5 14.3 44 109 15545 275 24 23.9 -2.1 | 251 18 17.2 6.0 45 104 15850 270 17 17.0 -0.0 | 232 13 10.3 8.1 46 100 16090 245 17 15.4 7.2 | 210 18 8.7 15.2 47 94 16459 245 17 15.4 7.2 | 210 18 8.7 15.2 48 90 16764 255 20 19.3 5.2 | 224 18 12.6 13.2 49 86 17069 250 16 15.0 5.5 | 212 16 8.3 13.5 50 82 17374 215 16 9.2 13.1 | 187 21 2.5 21.2 51 75 17983 220 32 20.6 24.5 | 203 35 13.8 32.6 52 70 18410 300 9 7.8 -4.5 | 197 4 1.1 3.6 53 68 18593 255 18 17.4 4.7 | 220 17 10.7 12.7 54 65 18898 235 1 0.8 0.6 | 146 10 -5.9 8.6 55 62 19202 155 14 -5.9 12.7 | 149 24 -12.6 20.8 56 59 19507 195 14 3.6 13.5 | 172 22 -3.1 21.6 57 56 19812 185 11 1.0 11.0 | 163 20 -5.8 19.0 58 54 20117 235 10 8.2 5.7 | 186 14 1.5 13.8 59 51 20422 280 2 2.0 -0.3 | 148 9 -4.8 7.7 60 50 20570 215 11 6.3 9.0 | 179 17 -0.4 17.1 61 49 20726 195 10 2.6 9.7 | 167 18 -4.1 17.7 62 47 21031 245 10 9.1 4.2 | 191 13 2.3 12.3 63 44 21336 230 8 6.1 5.1 | 177 13 -0.6 13.2 64 42 21641 240 10 8.7 5.0 | 188 13 1.9 13.1 65 35 22860 155 13 -5.5 11.8 | 148 23 -12.2 19.8 66 33 23165 140 1 -0.6 0.8 | 140 11 -7.4 8.8 67 30 23774 130 11 -8.4 7.1 | 135 21 -15.1 15.1 68 30 23870 115 5 -4.5 2.1 | 132 15 -11.3 10.2 69 26 24689 60 10 -8.7 -5.0 | 101 16 -15.4 3.1 70 25 24994 80 14 -13.8 -2.4 | 105 21 -20.5 5.6 71 22 25908 115 18 -16.3 7.6 | 124 28 -23.0 15.7 72 21 26213 110 10 -9.4 3.4 | 125 20 -16.1 11.5 73 20 26500 130 10 -7.7 6.4 | 135 20 -14.4 14.5 74 20 26518 110 4 -3.8 1.4 | 132 14 -10.5 9.4 75 18 27127 135 11 -7.8 7.8 | 138 21 -14.5 15.8 76 17 27432 75 9 -8.7 -2.3 | 110 16 -15.4 5.7 77 17 27737 95 13 -13.0 1.1 | 115 22 -19.7 9.2 78 16 28042 60 20 -17.3 -10.0 | 85 24 -24.0 -1.9 79 15 28346 95 10 -10.0 0.9 | 118 19 -16.7 8.9 80 14 28651 70 5 -4.7 -1.7 | 119 13 -11.4 6.4 81 14 28956 45 10 -7.1 -7.1 | 94 14 -13.8 1.0 82 12 29870 90 24 -24.0 0.0 | 105 32 -30.7 8.1 83 11 30175 115 18 -16.3 7.6 | 124 28 -23.0 15.7 84 10 31040 150 15 -7.5 13.0 | 146 25 -14.2 21.1 Wind Parameters Mean winds (0-6000m): 290.2 at 14.0 knts Storm direction: 320.2 at 10.5 knts Shear (0-3000m) pos: 1.2 neg: 1.6 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): -135.9 deg Storm rel helicity (0-3000m) pos: 28.9 neg: -18.5 tot: 10.3 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.81 Bulk Shear: 47.61 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 82 5 121 14| 0.0 6.0 6.0| 10.5 -17.8 -7.3 -14.5 -0.05| 20.1 -0.9 1000 319 6 141 5| 0.0 5.1 5.1| 18.6 -17.8 0.8 0.8 0.19| 13.0 2.5 1500 300 7 177 4| 2.0 3.4 5.5| 27.0 -17.8 9.2 6.2 0.35| 11.3 3.9 2000 308 9 182 3| 1.7 2.6 4.3| 28.5 -17.8 10.7 5.4 0.39| 9.4 3.6 2500 312 9 181 2| 1.4 2.0 3.3| 28.7 -17.9 10.8 4.3 0.38| 7.8 3.0 3000 316 9 172 1| 1.2 1.6 2.8| 28.9 -18.5 10.3 3.4 0.32| 7.2 2.3 4000 310 11 228 2| 0.9 2.4 3.3| 29.3 -20.7 8.6 2.1 0.21| 6.6 1.4 5000 302 12 240 4| 0.7 2.1 2.9| 36.8 -33.7 3.2 0.6 0.12| 6.7 0.8 6000 290 14 243 7| 0.9 2.6 3.6| 71.2 -48.2 22.9 3.8 0.13| 7.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250424.12.gif