UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 28 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 132 SFC 979 306 -1.9 -4.4 83 2.5 -2.8 0 0 272.9 273.4 271.5 280.6 2.81 2 975 338 -2.5 -4.3 87 1.8 -3.1 348 2 272.6 273.1 271.4 280.4 2.85 3 954 512 3.8 -3.2 60 7.0 1.0 281 10 280.7 281.2 276.5 289.6 3.16 4 945 588 3.6 -3.4 60 7.0 0.8 252 13 281.3 281.8 276.7 290.1 3.14 5 932 701 6.4 -3.6 49 10.0 2.2 251 15 285.2 285.8 278.7 294.2 3.14 6 925 762 6.2 -2.8 52 9.0 2.3 255 16 285.6 286.2 279.2 295.3 3.36 7 896 1023 6.2 -1.8 56 8.0 2.6 267 18 288.3 288.9 280.9 299.0 3.74 8 850 1452 3.6 -6.4 48 10.0 -0.4 270 24 289.9 290.4 280.5 298.1 2.78 9 739 2566 -6.9 -9.4 82 2.5 -7.8 269 23 290.3 290.8 280.4 297.8 2.53 10 733 2630 -6.3 -18.3 38 12.0 -9.6 271 24 291.6 291.9 279.3 295.4 1.23 11 725 2715 -5.9 -23.9 23 18.0 -10.2 274 25 293.0 293.1 279.3 295.4 0.76 12 700 2990 -6.7 -25.7 20 19.0 -11.1 275 21 295.1 295.2 280.1 297.2 0.67 13 696 3035 -6.9 -24.9 22 18.0 -11.1 275 21 295.3 295.5 280.3 297.7 0.73 14 641 3670 -11.5 -30.5 19 19.0 -15.1 275 27 297.1 297.2 280.8 298.7 0.47 15 625 3863 -13.1 -22.1 47 9.0 -15.2 273 28 297.5 297.7 281.7 300.8 1.04 16 616 3973 -14.1 -24.1 42 10.0 -16.3 273 29 297.6 297.7 281.5 300.4 0.88 17 602 4147 -15.7 -24.7 46 9.0 -17.6 271 30 297.7 297.8 281.5 300.4 0.86 18 596 4222 -16.3 -20.3 71 4.0 -17.3 271 31 297.8 298.1 282.1 301.8 1.28 19 573 4516 -18.5 -20.2 86 1.7 -18.9 274 30 298.6 298.9 282.5 302.8 1.34 20 545 4887 -21.3 -22.3 92 1.0 -21.5 265 26 299.6 299.8 282.7 303.3 1.17 21 536 5010 -22.3 -23.4 91 1.1 -22.5 265 27 299.8 300.0 282.7 303.3 1.08 22 530 5092 -22.7 -25.7 76 3.0 -23.2 265 28 300.3 300.5 282.7 303.2 0.89 23 527 5134 -22.7 -28.7 58 6.0 -23.7 265 28 300.8 300.9 282.6 303.0 0.68 24 520 5232 -21.7 -49.7 6 28.0 -24.2 264 28 303.2 303.2 282.8 303.4 0.08 25 516 5289 -21.7 -47.7 8 26.0 -24.2 263 28 303.8 303.9 283.1 304.2 0.10 26 500 5520 -22.9 -50.9 6 28.0 -25.3 260 25 305.1 305.1 283.5 305.4 0.07 27 430 6609 -29.7 -55.7 6 26.0 -31.3 272 37 309.9 309.9 285.4 310.1 0.05 28 400 7120 -33.7 -58.7 6 25.0 -34.9 285 42 311.2 311.2 285.8 311.3 0.03 29 368 7699 -38.3 -61.3 7 23.0 -39.2 285 37 312.6 312.6 286.3 312.7 0.03 30 364 7774 -38.7 -49.7 30 11.0 -39.3 285 38 313.0 313.0 286.5 313.4 0.11 31 358 7887 -39.9 -48.9 38 9.0 -40.4 286 39 312.9 312.9 286.5 313.4 0.13 32 354 7964 -40.1 -44.0 66 3.9 -40.4 286 39 313.6 313.7 286.9 314.4 0.22 33 308 8897 -48.1 -50.6 75 2.5 -48.2 289 47 315.2 315.2 287.3 315.6 0.12 34 300 9070 -49.7 -52.2 75 2.5 -49.8 290 48 315.3 315.3 287.3 315.7 0.10 35 284 9426 -52.7 -55.9 68 3.2 -52.8 293 49 316.0 316.0 287.5 316.2 0.07 36 270 9751 -54.5 -60.5 47 6.0 -54.6 295 49 318.0 318.0 288.1 318.1 0.04 37 250 10240 -57.7 -62.7 53 5.0 -57.8 300 50 320.3 320.3 288.9 320.4 0.03 38 221 11007 -63.3 -66.9 61 3.6 -63.3 300 52 323.2 323.2 289.8 323.2 0.02 39 217 11120 -61.9 -72.9 22 11.0 -62.0 300 52 327.0 327.0 290.9 327.1 0.01 40 214 11206 -61.1 -82.1 5 21.0 -61.2 300 52 329.6 329.6 291.6 329.6 0.00 41 213 11235 -59.9 -78.9 7 19.0 -60.0 300 52 331.9 331.9 292.2 331.9 0.00 42 209 11353 -59.7 -73.7 15 14.0 -59.8 300 52 334.0 334.0 292.8 334.0 0.01 43 200 11630 -56.7 -81.7 3 25.0 -56.9 300 52 343.0 343.0 295.0 343.0 0.00 44 188 12024 -54.7 -81.7 2 27.0 -55.0 300 41 352.3 352.3 297.1 352.3 0.00 45 182 12231 -55.9 -81.9 2 26.0 -56.2 299 37 353.7 353.7 297.4 353.7 0.00 46 169 12705 -54.1 -83.1 2 29.0 -54.5 292 38 364.2 364.2 299.5 364.2 0.00 47 150 13470 -53.9 -83.9 1 30.0 -54.3 295 32 377.2 377.2 301.8 377.2 0.00 48 135 14148 -52.7 -83.7 1 31.0 -53.2 287 33 390.9 390.9 303.9 390.9 0.00 49 109 15519 -55.7 -84.7 1 29.0 -56.2 299 29 409.9 409.9 306.5 409.9 0.00 50 105 15758 -54.1 -84.1 1 30.0 -54.6 293 26 417.3 417.3 307.4 417.3 0.00 51 100 16070 -54.9 -84.9 1 30.0 -55.5 300 31 421.7 421.7 307.9 421.7 0.00 52 91 16676 -52.9 -83.9 1 31.0 -53.7 301 26 437.1 437.2 309.6 437.2 0.00 53 70 18370 -53.1 -84.1 1 31.0 -54.0 265 8 470.8 470.8 312.7 470.8 0.00 54 61 19257 -54.3 -85.3 1 31.0 -55.2 283 14 487.0 487.0 314.0 487.0 0.00 55 50 20540 -52.5 -84.5 1 32.0 -53.8 320 7 519.8 519.8 316.3 519.8 0.01 56 39 22143 -51.7 -84.7 1 33.0 -53.5 314 9 560.1 560.1 318.6 560.1 0.01 57 36 22658 -53.9 -85.9 1 32.0 -55.4 80 10 567.3 567.3 319.0 567.4 0.01 58 30 23830 -52.1 -86.1 1 34.0 -54.2 5 9 602.6 602.6 320.7 602.7 0.01 59 20 26470 -51.5 -85.5 1 34.0 -54.6 130 12 678.5 678.5 323.7 678.6 0.01 60 10 31020 -45.7 -83.7 1 38.0 -53.1 40 5 849.0 849.0 328.4 849.3 0.04 61 6.7 33714 -41.3 -82.3 0 41.0 -52.8 970.4 970.4 330.7 971.1 0.07 62 6.4 34025 -41.9 -82.9 0 41.0 -53.3 980.7 980.7 330.9 981.4 0.06 TRP 221 11007 -63.3 -66.9 61 3.6 -63.3 300 52 323.2 323.2 289.8 323.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5388.00 m Freezing level: Surface below freezing Freezing level: 966.67 mb = 407.21 m = 1335.96 ft Freezing level: 811.94 mb = 1833.90 m = 6016.66 ft Wetbulb zero: Below ground Precipitable water: 0.37 inches Sfc-500 mean rel hum: 51.87 % Est. max temperature: 15.11 C = 59.20 F Sfc-Lift cond lev (LCL): 941.25 mb = 620.56 m = 2035.94 ft T: 4.40 C 700-500 lapse rate: 6.40 C/km ThetaE index: 3.62 C Layer 850.0- 700.0 mb Conv cond level (CCL): 976.25 mb = 328.20 m = 1076.75 ft Mean mixing ratio: 3.30 g/kg Conv temperature: -2.10 C = 28.22 F Cap Strength: 10.39 C Lifted Index: 11.18 C Risk: None Lifted Index @300 mb: 15.93 C Lifted Index @700 mb: 7.05 C Showalter Index: 7.37 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 26.50 C Cross Totals Index: 16.50 C K Index: 1.10 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 1.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.50 J/kg Max Up Vert Vel: 11.18 m/s Conv Inhibition (B-): 79180.84 J/kg Cap Strength: 10.79 C Lift Cond Lev (LCL): 828.01 mb = 1660.65 m = 5448.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 18 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 ---------------------------------------------------------- 0 979 306 0 0 -0.0 -0.0 | 119 18 -16.0 8.7 1 943 610 245 14 12.7 5.9 | 167 15 -3.3 14.6 2 925 762 255 16 15.5 4.1 | 178 13 -0.6 12.8 3 908 914 265 15 14.9 1.3 | 174 10 -1.1 10.0 4 875 1219 270 23 23.0 -0.0 | 219 11 7.0 8.7 5 850 1452 270 24 24.0 -0.0 | 223 12 8.0 8.7 6 811 1829 270 22 22.0 -0.0 | 215 11 6.0 8.7 7 780 2134 270 22 22.0 -0.0 | 215 11 6.0 8.7 8 750 2438 265 22 21.9 1.9 | 209 12 5.9 10.6 9 722 2743 275 25 24.9 -2.2 | 234 11 8.9 6.5 10 700 2990 275 21 20.9 -1.8 | 216 8 4.9 6.9 11 695 3048 275 21 20.9 -1.8 | 216 8 4.9 6.9 12 641 3658 275 27 26.9 -2.4 | 240 13 10.9 6.3 13 591 4267 270 31 31.0 -0.0 | 240 17 15.0 8.7 14 567 4572 275 30 29.9 -2.6 | 246 15 13.9 6.1 15 545 4877 265 26 25.9 2.3 | 222 15 9.9 11.0 16 523 5182 265 29 28.9 2.5 | 229 17 12.9 11.2 17 500 5520 260 25 24.6 4.3 | 213 16 8.6 13.0 18 481 5791 270 26 26.0 -0.0 | 229 13 10.0 8.7 19 461 6096 260 33 32.5 5.7 | 229 22 16.5 14.4 20 400 7120 285 42 40.6 -10.9 | 275 25 24.6 -2.2 21 389 7315 290 40 37.6 -13.7 | 283 22 21.6 -5.0 22 372 7620 285 37 35.7 -9.6 | 273 20 19.7 -0.9 23 300 9070 290 48 45.1 -16.4 | 285 30 29.1 -7.7 24 297 9144 290 48 45.1 -16.4 | 285 30 29.1 -7.7 25 250 10240 300 50 43.3 -25.0 | 301 32 27.3 -16.3 26 233 10668 300 55 47.6 -27.5 | 301 37 31.6 -18.8 27 222 10973 300 56 48.5 -28.0 | 301 38 32.5 -19.3 28 221 11007 300 52 45.0 -26.0 | 301 34 29.0 -17.3 29 200 11630 300 52 45.0 -26.0 | 301 34 29.0 -17.3 30 183 12192 300 37 32.0 -18.5 | 301 19 16.0 -9.8 31 175 12497 290 39 36.6 -13.3 | 283 21 20.6 -4.6 32 151 13411 300 33 28.6 -16.5 | 302 15 12.6 -7.8 33 150 13470 295 32 29.0 -13.5 | 290 14 13.0 -4.8 34 138 14021 285 34 32.8 -8.8 | 270 17 16.8 -0.1 35 125 14630 295 31 28.1 -13.1 | 290 13 12.1 -4.4 36 114 15240 290 32 30.1 -10.9 | 279 14 14.1 -2.2 37 109 15545 300 29 25.1 -14.5 | 303 11 9.1 -5.8 38 103 15850 290 24 22.6 -8.2 | 266 7 6.5 0.5 39 100 16070 300 31 26.8 -15.5 | 302 13 10.8 -6.8 40 94 16459 290 27 25.4 -9.2 | 273 9 9.4 -0.5 41 90 16764 305 25 20.5 -14.3 | 322 7 4.5 -5.6 42 86 17069 290 21 19.7 -7.2 | 248 4 3.7 1.5 43 82 17374 320 12 7.7 -9.2 | 87 8 -8.3 -0.5 44 78 17678 290 12 11.3 -4.1 | 134 7 -4.7 4.6 45 74 17983 270 14 14.0 -0.0 | 167 9 -2.0 8.7 46 71 18288 315 12 8.5 -8.5 | 92 8 -7.5 0.2 47 70 18370 265 8 8.0 0.7 | 139 12 -8.0 9.4 48 68 18593 285 6 5.8 -1.6 | 125 12 -10.2 7.1 49 65 18898 295 10 9.1 -4.2 | 123 8 -6.9 4.5 50 59 19507 275 16 15.9 -1.4 | 179 7 -0.1 7.3 51 56 19812 275 17 16.9 -1.5 | 187 7 0.9 7.2 52 53 20117 285 13 12.6 -3.4 | 147 6 -3.5 5.3 53 51 20422 285 13 12.6 -3.4 | 147 6 -3.5 5.3 54 50 20540 320 7 4.5 -5.4 | 106 12 -11.5 3.3 55 49 20726 345 10 2.6 -9.7 | 86 13 -13.4 -1.0 56 46 21031 30 3 -1.5 -2.6 | 109 19 -17.5 6.1 57 44 21336 270 4 4.0 -0.0 | 126 15 -12.0 8.7 58 38 22250 320 10 6.4 -7.7 | 96 10 -9.6 1.0 59 37 22555 45 10 -7.1 -7.1 | 94 23 -23.1 1.6 60 35 22860 150 10 -5.0 8.7 | 130 27 -21.0 17.4 61 32 23470 255 11 10.6 2.8 | 155 13 -5.4 11.5 62 30 23830 5 9 -0.8 -9.0 | 89 17 -16.8 -0.3 63 26 24689 45 10 -7.1 -7.1 | 94 23 -23.1 1.6 64 22 25908 300 1 0.9 -0.5 | 118 17 -15.1 8.2 65 21 26213 80 10 -9.8 -1.7 | 105 27 -25.9 7.0 66 20 26470 130 12 -9.2 7.7 | 123 30 -25.2 16.4 67 20 26518 120 10 -8.7 5.0 | 119 28 -24.7 13.7 68 18 27127 135 11 -7.8 7.8 | 125 29 -23.8 16.5 69 17 27432 125 14 -11.5 8.0 | 121 32 -27.5 16.7 70 16 27737 135 12 -8.5 8.5 | 125 30 -24.5 17.2 71 16 28042 60 10 -8.7 -5.0 | 99 25 -24.7 3.7 72 15 28346 65 17 -15.4 -7.2 | 93 31 -31.4 1.5 73 14 28651 95 18 -17.9 1.6 | 107 35 -33.9 10.3 74 14 28956 55 10 -8.2 -5.7 | 97 24 -24.2 3.0 75 12 29566 120 20 -17.3 10.0 | 119 38 -33.3 18.7 76 12 29870 90 13 -13.0 0.0 | 107 30 -29.0 8.7 77 10 31020 40 5 -3.2 -3.8 | 104 20 -19.2 4.9 Wind Parameters Mean winds (0-6000m): 268.5 at 24.3 knts Storm direction: 298.5 at 18.2 knts Shear (0-3000m) pos: 2.0 neg: 2.4 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 109.7 deg Storm rel helicity (0-3000m) pos: 83.5 neg: -23.4 tot: 60.1 m^2/s^2 ave: 20.0 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 3.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 2.08 Bulk Shear: 30.03 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 ------------------------------------------------------------------------------- 500 249 10 152 14| 0.0 16.2 16.2| 42.7 -8.9 33.8 67.5 0.51| 24.2 12.3 1000 261 15 171 11| 4.5 8.1 12.5| 64.9 -10.4 54.5 54.5 0.58| 17.5 10.1 1500 265 17 188 10| 3.0 5.0 7.9| 65.9 -14.3 51.6 34.4 0.52| 12.4 6.4 2000 266 19 195 10| 2.2 3.8 6.0| 65.9 -16.3 49.5 24.8 0.48| 9.6 4.6 2500 267 20 200 10| 2.4 3.0 5.4| 78.6 -17.7 61.0 24.4 0.51| 8.9 4.5 3000 269 20 204 10| 2.0 2.4 4.5| 83.5 -23.4 60.1 20.0 0.44| 8.3 3.7 4000 270 22 215 11| 1.5 2.8 4.3| 91.4 -23.6 67.8 17.0 0.42| 7.3 3.1 5000 270 23 220 11| 1.2 2.1 3.3|102.4 -51.9 50.5 10.1 0.29| 7.0 2.0 6000 269 24 222 12| 1.1 2.5 3.6|137.3 -64.1 73.1 12.2 0.28| 7.5 2.1 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250428.12.gif