UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052412.upa.cvt Date: 1200Z 24 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 24 MAY 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 162 SFC 983 306 8.8 1.8 61 7.0 5.5 50 7 283.3 284.1 279.4 295.8 4.43 2 946 620 5.2 1.0 74 4.2 3.3 85 12 282.8 283.6 279.1 295.0 4.34 3 941 663 5.2 0.7 73 4.5 3.1 85 13 283.2 284.0 279.2 295.2 4.27 4 933 733 8.8 -0.2 53 9.0 4.6 85 14 287.6 288.3 281.0 299.2 4.04 5 925 804 9.2 -0.8 50 10.0 4.6 85 15 288.7 289.4 281.3 300.0 3.90 6 921 840 9.4 -1.6 46 11.0 4.4 83 15 289.3 289.9 281.3 300.0 3.69 7 911 930 9.4 -1.6 46 11.0 4.4 80 16 290.2 290.8 281.8 301.0 3.73 8 850 1500 4.4 -3.6 56 8.0 1.0 70 22 290.8 291.4 281.7 300.8 3.44 9 700 3043 -8.9 -10.9 85 2.0 -9.6 70 15 292.6 293.1 281.2 299.7 2.38 10 685 3210 -9.9 -11.9 85 2.0 -10.5 63 17 293.3 293.7 281.4 300.1 2.24 11 680 3267 -9.1 -15.1 62 6.0 -10.9 66 17 294.8 295.2 281.4 300.2 1.74 12 670 3381 -8.3 -19.3 41 11.0 -11.3 69 17 297.0 297.2 281.7 300.9 1.24 13 664 3451 -8.7 -20.7 37 12.0 -11.8 67 17 297.3 297.5 281.7 300.8 1.11 14 624 3929 -11.7 -18.7 56 7.0 -13.6 64 17 299.2 299.5 282.8 303.6 1.40 15 573 4576 -16.3 -24.3 50 8.0 -18.0 50 19 301.2 301.4 283.1 304.2 0.93 16 555 4815 -17.5 -30.5 31 13.0 -19.8 46 18 302.5 302.6 283.1 304.4 0.54 17 552 4856 -17.5 -39.5 13 22.0 -20.5 46 17 303.0 303.0 282.9 303.8 0.22 18 500 5590 -21.9 -50.9 5 29.0 -24.5 30 18 306.3 306.4 284.0 306.6 0.07 19 450 6357 -25.5 -56.5 4 31.0 -27.7 359 21 311.2 311.2 285.8 311.3 0.04 20 437 6568 -26.5 -54.5 5 28.0 -28.6 342 23 312.5 312.5 286.3 312.7 0.05 21 432 6651 -26.7 -43.7 18 17.0 -28.4 335 24 313.3 313.3 286.7 314.0 0.18 22 425 6769 -27.9 -39.9 31 12.0 -29.2 331 24 313.2 313.3 286.8 314.3 0.28 23 406 7095 -30.1 -44.1 24 14.0 -31.4 338 26 314.5 314.6 287.2 315.2 0.19 24 400 7200 -30.9 -43.9 27 13.0 -32.1 340 27 314.8 314.9 287.3 315.5 0.19 25 344 8255 -39.7 -46.7 47 7.0 -40.1 320 24 316.8 316.8 287.9 317.4 0.17 26 331 8519 -41.5 -51.5 33 10.0 -42.0 324 25 317.8 317.8 288.2 318.2 0.10 27 323 8685 -43.1 -50.1 46 7.0 -43.5 327 26 317.8 317.9 288.2 318.3 0.12 28 300 9180 -47.1 -57.1 31 10.0 -47.4 320 24 319.0 319.0 288.5 319.2 0.06 29 290 9403 -48.7 -58.7 30 10.0 -49.0 320 24 319.8 319.8 288.7 320.0 0.05 30 274 9773 -52.1 -59.1 43 7.0 -52.2 320 25 320.1 320.1 288.8 320.3 0.05 31 272 9820 -52.5 -60.5 37 8.0 -52.7 320 25 320.2 320.2 288.8 320.4 0.04 32 250 10360 -56.3 -63.3 41 7.0 -56.4 320 26 322.4 322.4 289.5 322.5 0.03 33 242 10566 -57.5 -62.0 56 4.5 -57.6 317 24 323.6 323.6 289.9 323.7 0.04 34 234 10778 -58.5 -64.5 46 6.0 -58.6 285 14 325.2 325.2 290.3 325.3 0.03 35 225 11025 -56.9 -67.9 24 11.0 -57.1 283 17 331.3 331.3 292.1 331.4 0.02 36 217 11254 -58.1 -71.1 17 13.0 -58.2 317 20 332.9 332.9 292.5 332.9 0.01 37 200 11770 -55.7 -76.7 6 21.0 -55.9 10 9 344.6 344.6 295.4 344.6 0.01 38 199 11802 -55.9 -77.9 5 22.0 -56.1 13 10 344.7 344.7 295.4 344.8 0.00 39 191 12064 -52.9 -79.9 2 27.0 -53.2 11 11 353.6 353.6 297.4 353.6 0.00 40 183 12338 -53.9 -78.9 3 25.0 -54.2 4 8 356.4 356.4 298.0 356.4 0.00 41 171 12774 -51.5 -82.5 1 31.0 -52.0 0 0 367.3 367.3 300.1 367.3 0.00 42 159 13243 -53.1 -84.1 1 31.0 -53.5 336 2 372.3 372.3 300.9 372.3 0.00 43 153 13492 -51.1 -84.1 1 33.0 -51.7 322 3 379.9 379.9 302.2 379.9 0.00 44 150 13620 -51.7 -83.7 1 32.0 -52.2 315 4 381.0 381.0 302.4 381.0 0.00 45 110 15628 -52.5 -85.5 1 33.0 -53.2 238 8 414.8 414.8 307.1 414.8 0.00 46 106 15866 -54.5 -86.5 1 32.0 -55.1 237 8 415.4 415.4 307.2 415.5 0.00 47 100 16240 -53.3 -86.3 1 33.0 -53.9 235 8 424.7 424.7 308.3 424.8 0.00 48 77 17925 -51.7 -85.7 1 34.0 -52.7 288 12 461.0 461.0 311.8 461.1 0.00 49 70 18540 -52.7 -86.7 1 34.0 -53.7 310 6 471.6 471.6 312.8 471.7 0.00 50 65 19018 -53.7 -87.7 1 34.0 -54.6 4 10 479.6 479.6 313.4 479.6 0.00 51 50 20710 -52.3 -87.3 1 35.0 -53.7 140 6 520.2 520.2 316.3 520.2 0.00 52 30 24020 -50.3 -88.3 0 38.0 -52.8 30 6 607.5 607.5 320.9 607.5 0.01 53 27 24707 -49.5 -87.5 0 38.0 -52.4 55 10 628.3 628.3 321.8 628.4 0.01 54 21 26342 -51.3 -89.3 0 38.0 -54.3 67 11 669.7 669.7 323.4 669.8 0.01 55 20 26660 -49.5 -87.5 0 38.0 -53.1 75 11 684.7 684.7 323.9 684.7 0.01 56 10 31260 -42.9 -82.9 0 40.0 -51.7 65 13 859.4 859.4 328.6 859.8 0.04 57 8.3 32524 -40.3 -81.3 0 41.0 -51.3 916.7 916.7 329.8 917.4 0.06 58 7.8 32946 -41.5 -82.5 0 41.0 -52.1 928.3 928.3 329.9 928.9 0.06 59 6.8 33892 -34.1 -77.1 0 43.0 -49.9 996.3 996.4 331.1 998.2 0.16 60 5.7 35134 -31.5 -75.5 0 44.0 -50.1 1059.3 1059.4 332.1 1062.3 0.24 TRP 234 10778 -58.5 -64.5 46 6.0 -58.6 285 14 325.2 325.2 290.3 325.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5428.00 m Freezing level: 800.38 mb = 2010.47 m = 6595.94 ft Wetbulb zero: 836.39 mb = 1628.32 m = 5342.20 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 52.05 % Est. max temperature: 16.41 C = 61.54 F Sfc-Lift cond lev (LCL): 883.34 mb = 1183.85 m = 3883.99 ft T: 7.18 C 700-500 lapse rate: 5.10 C/km ThetaE index: 1.28 C Layer 850.0- 685.0 mb Conv cond level (CCL): 763.28 mb = 2355.20 m = 7726.93 ft Mean mixing ratio: 4.03 g/kg Conv temperature: 17.30 C = 63.14 F Cap Strength: 6.68 C Lifted Index: 8.31 C Risk: None Lifted Index @300 mb: 14.81 C Lifted Index @700 mb: 1.57 C Showalter Index: 6.50 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 18.30 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 62.00 Risk: None Energy Index: 1.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.86 J/kg Max Up Vert Vel: 9.78 m/s Conv Inhibition (B-): 64642.70 J/kg Cap Strength: 8.20 C Lift Cond Lev (LCL): 823.37 mb = 1752.95 m = 5751.08 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 89 at 13 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 ---------------------------------------------------------- 0 983 306 50 7 -5.4 -4.5 | 299 9 7.6 -4.2 1 947 610 85 12 -12.0 -1.0 | 305 1 1.0 -0.7 2 925 804 85 15 -14.9 -1.3 | 64 2 -2.0 -1.0 3 913 914 80 16 -15.8 -2.8 | 49 4 -2.8 -2.4 4 879 1219 85 21 -20.9 -1.8 | 79 8 -7.9 -1.5 5 850 1500 70 22 -20.7 -7.5 | 47 11 -7.7 -7.2 6 847 1524 70 22 -20.7 -7.5 | 47 11 -7.7 -7.2 7 816 1829 80 19 -18.7 -3.3 | 63 6 -5.7 -3.0 8 785 2134 85 16 -15.9 -1.4 | 70 3 -3.0 -1.1 9 755 2438 75 15 -14.5 -3.9 | 23 4 -1.5 -3.6 10 727 2743 65 16 -14.5 -6.8 | 13 7 -1.5 -6.4 11 700 3043 70 15 -14.1 -5.1 | 13 5 -1.1 -4.8 12 700 3048 55 16 -13.1 -9.2 | 1 9 -0.1 -8.8 13 672 3353 70 17 -16.0 -5.8 | 29 6 -3.0 -5.5 14 645 3658 60 16 -13.9 -8.0 | 7 8 -0.9 -7.7 15 620 3962 65 17 -15.4 -7.2 | 20 7 -2.4 -6.9 16 595 4267 55 21 -17.2 -12.0 | 20 12 -4.2 -11.7 17 549 4877 45 17 -12.0 -12.0 | 355 12 1.0 -11.7 18 500 5590 30 18 -9.0 -15.6 | 345 16 4.0 -15.3 19 466 6096 20 19 -6.5 -17.9 | 340 19 6.5 -17.5 20 428 6706 330 24 12.0 -20.8 | 309 32 25.0 -20.5 21 400 7200 340 27 9.2 -25.4 | 318 33 22.2 -25.0 22 376 7620 340 25 8.6 -23.5 | 317 32 21.5 -23.2 23 344 8230 320 24 15.4 -18.4 | 302 34 28.4 -18.1 24 315 8839 330 27 13.5 -23.4 | 311 35 26.5 -23.1 25 302 9144 320 25 16.1 -19.2 | 303 35 29.0 -18.8 26 300 9180 320 24 15.4 -18.4 | 302 34 28.4 -18.1 27 250 10360 320 26 16.7 -19.9 | 303 36 29.7 -19.6 28 250 10363 310 29 22.2 -18.6 | 297 40 35.2 -18.3 29 238 10668 320 21 13.5 -16.1 | 301 31 26.5 -15.8 30 234 10778 285 14 13.5 -3.6 | 277 27 26.5 -3.3 31 227 10973 275 16 15.9 -1.4 | 272 29 28.9 -1.1 32 216 11278 320 20 12.9 -15.3 | 300 30 25.8 -15.0 33 200 11770 10 9 -1.6 -8.9 | 307 14 11.4 -8.5 34 196 11887 20 12 -4.1 -11.3 | 321 14 8.9 -10.9 35 187 12192 5 11 -1.0 -11.0 | 311 16 12.0 -10.6 36 170 12802 0 0 -0.0 -0.0 | 269 13 13.0 0.3 37 150 13620 315 4 2.8 -2.8 | 279 16 15.8 -2.5 38 117 15240 240 8 6.9 4.0 | 258 20 19.9 4.3 39 100 16240 235 8 6.6 4.6 | 256 20 19.5 4.9 40 97 16459 235 8 6.6 4.6 | 256 20 19.5 4.9 41 76 17983 290 12 11.3 -4.1 | 279 25 24.3 -3.8 42 73 18288 260 14 13.8 2.4 | 264 27 26.8 2.8 43 70 18540 310 6 4.6 -3.9 | 281 18 17.6 -3.5 44 69 18593 330 11 5.5 -9.5 | 296 21 18.5 -9.2 45 50 20710 140 6 -3.9 4.6 | 242 10 9.1 4.9 46 45 21336 225 4 2.8 2.8 | 259 16 15.8 3.2 47 34 23165 70 1 -0.9 -0.3 | 270 12 12.0 -0.0 48 30 24020 30 6 -3.0 -5.2 | 296 11 10.0 -4.9 49 27 24689 55 10 -8.2 -5.7 | 318 7 4.8 -5.4 50 26 24994 50 11 -8.4 -7.1 | 326 8 4.5 -6.7 51 25 25298 20 11 -3.8 -10.3 | 317 14 9.2 -10.0 52 24 25603 100 10 -9.8 1.7 | 237 4 3.1 2.1 53 22 25908 55 10 -8.2 -5.7 | 318 7 4.8 -5.4 54 20 26660 75 11 -10.6 -2.8 | 317 3 2.4 -2.5 55 20 26822 20 11 -3.8 -10.3 | 317 14 9.2 -10.0 56 19 27127 85 13 -13.0 -1.1 | 358 1 0.0 -0.8 57 18 27432 45 15 -10.6 -10.6 | 347 11 2.4 -10.3 58 17 27737 20 18 -6.2 -16.9 | 338 18 6.8 -16.6 59 16 28042 85 11 -11.0 -1.0 | 287 2 2.0 -0.6 60 16 28346 50 12 -9.2 -7.7 | 333 8 3.8 -7.4 61 15 28651 85 14 -13.9 -1.2 | 48 1 -1.0 -0.9 62 14 29261 55 21 -17.2 -12.0 | 20 12 -4.2 -11.7 63 13 29566 65 16 -14.5 -6.8 | 13 7 -1.5 -6.4 64 12 29870 115 24 -21.8 10.1 | 140 14 -8.8 10.5 65 12 30175 105 15 -14.5 3.9 | 160 4 -1.5 4.2 66 10 31260 65 13 -11.8 -5.5 | 347 5 1.2 -5.2 Wind Parameters Mean winds (0-6000m): 58.5 at 17.3 knts Storm direction: 88.5 at 13.0 knts Shear (0-3000m) pos: 1.4 neg: 1.1 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 84.6 deg Storm rel helicity (0-3000m) pos: 17.3 neg: -18.0 tot: -0.7 m^2/s^2 ave: -0.2 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.85 Bulk Shear: 8.18 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 78 11 312 3| 10.4 0.0 10.4| 3.0 -0.1 2.9 5.8 0.35| 11.2 3.9 1000 81 15 38 2| 5.2 3.3 8.5| 6.9 -3.9 3.0 3.0 0.22| 9.9 2.2 1500 78 17 49 5| 3.5 1.6 5.0| 11.7 -12.7 -1.0 -0.7 0.10| 9.4 1.0 2000 79 17 52 5| 1.8 1.2 3.0| 12.7 -14.1 -1.4 -0.7 0.06| 8.4 0.5 2500 78 17 45 5| 1.5 1.4 2.8| 12.7 -16.3 -3.6 -1.4 -0.00| 7.5 -0.0 3000 76 16 38 5| 1.4 1.1 2.5| 17.3 -18.0 -0.7 -0.2 0.03| 7.5 0.2 4000 72 17 31 6| 1.0 1.6 2.6| 20.8 -23.1 -2.3 -0.6 0.01| 6.8 0.1 5000 66 17 22 7| 0.8 1.4 2.2| 20.8 -43.0 -22.3 -4.5 -0.09| 6.2 -0.6 6000 59 17 12 9| 0.7 2.0 2.7| 20.8 -75.9 -55.1 -9.2 -0.17| 6.1 -1.0 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250524.12.gif