UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 25 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 238 60 1 SFC 991 306 -6.3 -9.3 79 3.0 -7.2 60 1 267.5 267.9 266.5 272.7 1.90 2 987 338 -6.9 -9.5 82 2.6 -7.7 53 1 267.2 267.6 266.3 272.4 1.88 3 984 362 -4.1 -8.7 70 4.6 -5.5 47 1 270.3 270.6 268.5 275.8 2.01 4 964 526 -1.5 -9.5 54 8.0 -4.1 9 2 274.5 274.8 271.1 279.9 1.93 5 947 668 -1.7 -9.7 54 8.0 -4.3 348 4 275.7 276.0 271.8 281.1 1.93 6 925 856 -2.3 -12.3 46 10.0 -5.3 340 9 277.0 277.2 272.1 281.5 1.60 7 919 908 -2.7 -12.7 46 10.0 -5.7 353 8 277.1 277.3 272.1 281.5 1.56 8 904 1038 -2.5 -28.5 12 26.0 -7.7 1 8 278.6 278.6 271.0 279.8 0.40 9 868 1359 -2.7 -33.7 7 31.0 -8.2 24 7 281.6 281.7 272.6 282.4 0.26 10 850 1525 -3.3 -33.3 8 30.0 -8.7 40 8 282.7 282.7 273.2 283.6 0.27 11 811 1895 -5.1 -32.1 10 27.0 -10.0 12 6 284.6 284.7 274.3 285.6 0.32 12 750 2504 -9.5 -25.5 26 16.0 -12.8 354 6 286.3 286.4 275.7 288.3 0.64 13 718 2839 -11.7 -36.7 11 25.0 -15.3 333 10 287.4 287.5 275.7 288.2 0.23 14 700 3033 -13.5 -27.5 30 14.0 -16.0 340 13 287.5 287.6 276.3 289.3 0.57 15 694 3098 -13.9 -25.9 36 12.0 -16.2 340 13 287.8 287.9 276.6 289.9 0.67 16 678 3275 -14.7 -32.7 20 18.0 -17.5 340 13 288.8 288.9 276.6 290.0 0.36 17 585 4371 -23.7 -34.7 36 11.0 -25.0 351 15 290.8 290.8 277.6 291.9 0.34 18 528 5112 -28.5 -43.5 22 15.0 -29.7 330 15 293.7 293.7 278.7 294.2 0.15 19 500 5500 -30.5 -43.5 27 13.0 -31.5 315 19 295.9 295.9 279.7 296.4 0.16 20 490 5644 -31.5 -44.5 27 13.0 -32.4 313 19 296.3 296.4 279.9 296.9 0.15 21 400 7050 -42.3 -51.3 37 9.0 -42.6 295 27 300.0 300.0 281.5 300.3 0.08 22 352 7900 -48.7 -57.7 34 9.0 -48.9 295 30 302.6 302.6 282.5 302.7 0.04 23 332 8281 -51.7 -57.7 49 6.0 -51.8 295 32 303.5 303.6 282.9 303.7 0.05 24 325 8419 -52.7 -60.7 37 8.0 -52.8 295 33 304.0 304.0 283.1 304.2 0.03 25 301 8909 -56.5 -60.5 61 4.0 -56.6 295 36 305.4 305.4 283.6 305.6 0.04 26 300 8930 -56.5 -60.6 60 4.1 -56.6 295 36 305.7 305.7 283.7 305.8 0.04 27 299 8951 -56.7 -60.9 59 4.2 -56.8 300 36 305.7 305.7 283.7 305.8 0.04 28 286 9235 -55.3 -67.3 21 12.0 -55.5 300 37 311.6 311.6 285.9 311.7 0.02 29 275 9487 -54.1 -73.1 8 19.0 -54.3 298 38 316.9 316.9 287.7 316.9 0.01 30 273 9534 -53.5 -71.5 9 18.0 -53.7 296 38 318.4 318.4 288.2 318.4 0.01 31 257 9922 -54.5 -69.5 14 15.0 -54.7 291 40 322.5 322.5 289.5 322.5 0.01 32 250 10100 -53.7 -71.7 9 18.0 -53.9 280 41 326.2 326.2 290.6 326.3 0.01 33 246 10204 -53.3 -72.3 8 19.0 -53.5 280 41 328.3 328.3 291.3 328.4 0.01 34 230 10636 -54.1 -75.1 6 21.0 -54.4 289 45 333.5 333.5 292.7 333.5 0.01 35 200 11540 -51.1 -81.1 2 30.0 -51.5 285 45 351.8 351.8 297.0 351.9 0.00 36 185 12045 -50.3 -81.3 1 31.0 -50.8 290 40 361.1 361.1 298.9 361.1 0.00 37 158 13065 -52.7 -82.7 1 30.0 -53.2 278 36 373.7 373.7 301.2 373.7 0.00 38 150 13400 -51.5 -82.5 1 31.0 -52.1 275 37 381.3 381.3 302.5 381.3 0.00 39 100 16050 -48.7 -82.7 1 34.0 -49.8 255 15 433.6 433.6 309.2 433.7 0.00 40 89 16808 -51.3 -84.3 1 33.0 -52.2 259 18 443.1 443.1 310.2 443.2 0.00 41 79 17583 -49.5 -83.5 1 34.0 -50.7 295 14 462.2 462.2 312.0 462.2 0.00 42 70 18370 -50.9 -84.9 1 34.0 -52.1 270 16 475.5 475.5 313.1 475.5 0.00 43 50 20540 -53.3 -86.3 1 33.0 -54.5 5 5 517.9 517.9 316.2 517.9 0.00 44 40 21986 -50.7 -85.7 1 35.0 -52.6 259 12 558.5 558.5 318.6 558.6 0.01 45 32 23433 -53.1 -86.1 1 33.0 -54.9 86 11 588.9 588.9 320.1 589.0 0.01 46 30 23850 -52.3 -86.3 1 34.0 -54.4 115 11 602.1 602.1 320.7 602.1 0.01 47 20 26480 -50.9 -85.9 1 35.0 -54.1 90 12 680.4 680.4 323.8 680.5 0.01 48 17 27539 -51.9 -85.9 1 34.0 -55.2 88 12 709.5 709.5 324.7 709.6 0.01 49 10 31010 -48.9 -85.9 1 37.0 -54.9 105 9 837.0 837.0 328.1 837.2 0.02 50 9.3 31487 -48.5 -85.5 1 37.0 -54.9 856.1 856.1 328.5 856.4 0.03 51 7.8 32659 -42.9 -82.9 0 40.0 -52.8 922.7 922.7 329.8 923.2 0.05 52 5.6 34914 -38.7 -80.7 0 42.0 -52.7 1032.9 1033.0 331.7 1034.2 0.11 TRP 299 8951 -56.7 -60.9 59 4.2 -56.8 300 36 305.7 305.7 283.7 305.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5262.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 25.98 % Est. max temperature: 9.24 C = 48.63 F Sfc-Lift cond lev (LCL): 944.83 mb = 686.39 m = 2251.91 ft T: -1.76 C 700-500 lapse rate: 6.89 C/km ThetaE index: 1.72 C Layer 919.0- 868.0 mb Conv cond level (CCL): 650.21 mb = 3585.77 m = 11764.19 ft Mean mixing ratio: 1.52 g/kg Conv temperature: 15.53 C = 59.95 F Cap Strength: 12.14 C Lifted Index: 13.60 C Risk: None Lifted Index @300 mb: 18.36 C Lifted Index @700 mb: 9.33 C Showalter Index: 10.61 C Risk: None Total Totals Index: 24.40 C Risk: None Vertical Totals Index: 27.20 C Cross Totals Index: -2.80 C K Index: -20.10 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 2.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.14 J/kg Max Up Vert Vel: 8.38 m/s Conv Inhibition (B-): 80302.62 J/kg Cap Strength: 13.10 C Lift Cond Lev (LCL): 799.27 mb = 2008.42 m = 6589.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 at 9 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 60 1 -0.9 -0.5 | 182 8 0.3 8.3 1 954 610 350 3 0.5 -3.0 | 196 6 1.7 5.9 2 925 856 340 9 3.1 -8.5 | 265 4 4.2 0.4 3 918 914 355 8 0.7 -8.0 | 245 2 1.9 0.9 4 883 1219 10 7 -1.2 -6.9 | 179 2 -0.0 1.9 5 850 1525 40 8 -5.1 -6.1 | 124 5 -4.0 2.7 6 817 1829 15 5 -1.3 -4.8 | 178 4 -0.1 4.0 7 786 2134 360 8 -0.0 -8.0 | 235 1 1.2 0.8 8 756 2438 360 6 -0.0 -6.0 | 202 3 1.2 2.8 9 727 2743 330 8 4.0 -6.9 | 250 6 5.2 1.9 10 700 3033 340 13 4.4 -12.2 | 301 7 5.6 -3.4 11 643 3658 340 14 4.8 -13.2 | 306 7 6.0 -4.3 12 617 3962 350 12 2.1 -11.8 | 313 4 3.3 -3.0 13 592 4267 350 15 2.6 -14.8 | 328 7 3.8 -5.9 14 567 4572 355 16 1.4 -15.9 | 340 8 2.6 -7.1 15 544 4877 345 14 3.6 -13.5 | 314 7 4.8 -4.7 16 522 5182 325 15 8.6 -12.3 | 289 10 9.8 -3.5 17 500 5500 315 19 13.4 -13.4 | 288 15 14.6 -4.6 18 459 6096 305 20 16.4 -11.5 | 279 18 17.6 -2.6 19 400 7050 295 27 24.5 -11.4 | 276 26 25.6 -2.6 20 384 7315 295 26 23.6 -11.0 | 275 25 24.7 -2.2 21 367 7620 295 28 25.4 -11.8 | 276 27 26.5 -3.0 22 300 8930 295 36 32.6 -15.2 | 281 34 33.8 -6.4 23 299 8951 300 36 31.2 -18.0 | 286 34 32.3 -9.2 24 290 9144 300 36 31.2 -18.0 | 286 34 32.3 -9.2 25 277 9449 300 38 32.9 -19.0 | 287 36 34.1 -10.2 26 264 9754 285 38 36.7 -9.8 | 272 38 37.9 -1.0 27 252 10058 295 41 37.2 -17.3 | 283 39 38.3 -8.5 28 250 10100 280 41 40.4 -7.1 | 268 42 41.5 1.7 29 240 10363 280 42 41.4 -7.3 | 268 43 42.5 1.5 30 229 10668 290 45 42.3 -15.4 | 279 44 43.5 -6.6 31 218 10973 290 50 47.0 -17.1 | 280 49 48.2 -8.3 32 200 11540 285 45 43.5 -11.6 | 274 45 44.6 -2.8 33 172 12497 295 35 31.7 -14.8 | 280 33 32.9 -6.0 34 165 12802 280 35 34.5 -6.1 | 266 36 35.6 2.8 35 150 13400 275 37 36.9 -3.2 | 262 38 38.0 5.6 36 150 13411 275 34 33.9 -3.0 | 260 36 35.0 5.9 37 136 14021 295 32 29.0 -13.5 | 279 31 30.2 -4.7 38 124 14630 275 28 27.9 -2.4 | 258 30 29.1 6.4 39 119 14935 290 30 28.2 -10.3 | 273 29 29.4 -1.4 40 113 15240 280 24 23.6 -4.2 | 259 25 24.8 4.7 41 108 15545 265 18 17.9 1.6 | 241 22 19.1 10.4 42 103 15850 300 18 15.6 -9.0 | 271 17 16.8 -0.2 43 100 16050 255 15 14.5 3.9 | 231 20 15.7 12.7 44 98 16154 255 15 14.5 3.9 | 231 20 15.7 12.7 45 94 16459 260 10 9.8 1.7 | 226 15 11.0 10.6 46 90 16764 255 17 16.4 4.4 | 233 22 17.6 13.2 47 86 17069 280 23 22.7 -4.0 | 259 24 23.8 4.8 48 82 17374 305 17 13.9 -9.8 | 273 15 15.1 -0.9 49 78 17678 290 13 12.2 -4.4 | 252 14 13.4 4.4 50 74 17983 250 11 10.3 3.8 | 222 17 11.5 12.6 51 71 18288 255 19 18.4 4.9 | 235 24 19.5 13.7 52 70 18370 270 16 16.0 -0.0 | 243 19 17.2 8.8 53 65 18898 275 13 13.0 -1.1 | 241 16 14.1 7.7 54 62 19202 300 12 10.4 -6.0 | 256 12 11.6 2.8 55 59 19507 165 3 -0.8 2.9 | 182 12 0.4 11.7 56 51 20422 320 10 6.4 -7.7 | 261 8 7.6 1.2 57 50 20540 5 5 -0.4 -5.0 | 191 4 0.7 3.8 58 44 21336 115 7 -6.3 3.0 | 156 13 -5.2 11.8 59 42 21641 175 15 -1.3 14.9 | 180 24 -0.1 23.8 60 40 21946 250 12 11.3 4.1 | 224 18 12.4 12.9 61 37 22555 25 10 -4.2 -9.1 | 86 3 -3.1 -0.2 62 30 23850 115 11 -10.0 4.6 | 147 16 -8.8 13.5 63 29 24079 110 10 -9.4 3.4 | 146 15 -8.2 12.2 64 28 24384 130 10 -7.7 6.4 | 157 17 -6.5 15.3 65 26 24689 0 0 -0.0 -0.0 | 188 9 1.2 8.8 66 23 25603 80 12 -11.8 -2.1 | 122 13 -10.6 6.7 67 22 25908 115 12 -10.9 5.1 | 145 17 -9.7 13.9 68 21 26213 85 17 -16.9 -1.5 | 115 17 -15.8 7.3 69 20 26480 90 12 -12.0 0.0 | 129 14 -10.8 8.8 70 20 26518 95 12 -12.0 1.0 | 132 15 -10.8 9.9 71 18 27127 80 12 -11.8 -2.1 | 122 13 -10.6 6.7 72 17 27432 90 9 -9.0 0.0 | 138 12 -7.8 8.8 73 17 27737 85 16 -15.9 -1.4 | 117 17 -14.8 7.4 74 16 28042 100 18 -17.7 3.1 | 126 20 -16.6 12.0 75 15 28346 80 6 -5.9 -1.0 | 149 9 -4.7 7.8 76 14 28651 100 10 -9.8 1.7 | 141 14 -8.7 10.6 77 12 29566 125 10 -8.2 5.7 | 154 16 -7.0 14.6 78 11 30175 50 10 -7.7 -6.4 | 110 7 -6.5 2.4 79 10 31010 105 9 -8.7 2.3 | 146 13 -7.5 11.2 Wind Parameters Mean winds (0-6000m): 337.6 at 11.9 knts Storm direction: 7.6 at 8.9 knts Shear (0-3000m) pos: 1.0 neg: 2.2 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 121.3 deg Storm rel helicity (0-3000m) pos: 23.0 neg: -3.2 tot: 19.8 m^2/s^2 ave: 6.6 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.53 Bulk Shear: 9.96 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 ------------------------------------------------------------------------------- 500 351 3 197 6| 0.0 7.9 7.9| 7.6 -0.2 7.4 14.7 0.71| 8.3 5.8 1000 357 5 203 4| 2.4 3.9 6.4| 7.7 -1.8 5.9 5.9 0.19| 6.8 1.3 1500 10 6 182 3| 1.6 2.2 3.8| 11.0 -2.8 8.2 5.5 0.23| 6.7 1.6 2000 9 6 185 3| 1.2 2.3 3.5| 12.1 -3.0 9.1 4.6 0.25| 6.1 1.5 2500 3 6 198 3| 1.0 2.6 3.6| 16.3 -3.2 13.1 5.2 0.33| 6.0 2.0 3000 356 7 229 2| 1.0 2.2 3.2| 23.0 -3.2 19.8 6.6 0.41| 5.8 2.4 4000 351 9 271 3| 1.2 1.6 2.8| 27.2 -3.2 24.0 6.0 0.42| 5.1 2.1 5000 349 10 291 3| 0.9 1.9 2.9| 29.2 -16.9 12.4 2.5 0.22| 5.2 1.1 6000 338 12 291 6| 0.8 2.2 3.0| 29.2 -30.1 -0.9 -0.1 0.14| 5.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250425.12.gif