UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053112.upa.cvt Date: 1200Z 31 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 31 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 22 SFC 965 306 5.2 4.5 95 0.7 4.9 55 5 281.2 282.1 279.7 296.3 5.47 2 925 658 2.2 2.2 100 0.0 2.2 60 22 281.6 282.4 279.1 295.0 4.85 3 910 790 1.6 1.6 100 0.0 1.6 70 23 282.3 283.1 279.3 295.4 4.72 4 850 1339 0.8 0.8 100 0.0 0.8 60 13 287.0 287.8 281.5 300.5 4.77 5 849 1348 0.8 0.8 100 0.0 0.8 61 13 287.1 287.9 281.6 300.6 4.77 6 806 1764 -1.7 -3.2 89 1.5 -2.3 85 18 288.7 289.4 281.1 299.5 3.74 7 795 1874 -1.3 -3.0 88 1.7 -2.0 86 19 290.3 291.0 282.0 301.5 3.85 8 764 2191 -2.7 -7.5 69 4.8 -4.6 87 17 292.1 292.6 281.5 300.5 2.84 9 740 2444 -3.3 -3.5 99 0.2 -3.4 75 17 294.1 294.8 283.7 305.9 3.99 10 721 2649 -4.1 -4.5 97 0.4 -4.3 85 18 295.4 296.1 284.1 306.7 3.80 11 700 2882 -5.5 -6.2 95 0.7 -5.8 85 15 296.4 297.0 284.1 306.7 3.43 12 681 3097 -7.3 -7.3 100 0.0 -7.3 83 18 296.7 297.3 284.0 306.5 3.24 13 598 4097 -12.7 -13.7 92 1.0 -13.0 99 22 301.7 302.1 284.8 308.6 2.22 14 577 4368 -15.1 -17.4 83 2.3 -15.7 116 22 302.0 302.3 284.3 307.3 1.69 15 556 4646 -18.3 -26.3 49 8.0 -19.9 118 20 301.4 301.6 283.0 304.1 0.80 16 555 4659 -18.1 -22.9 66 4.8 -19.1 118 20 301.8 302.0 283.5 305.4 1.09 17 548 4754 -18.1 -22.2 70 4.1 -19.0 119 20 302.9 303.1 284.1 306.7 1.18 18 538 4891 -19.7 -26.7 54 7.0 -21.0 120 19 302.6 302.8 283.5 305.2 0.80 19 504 5372 -22.7 -26.2 73 3.5 -23.4 142 15 304.7 304.8 284.4 307.6 0.89 20 500 5430 -23.1 -27.0 70 3.9 -23.8 145 15 304.9 305.0 284.4 307.6 0.84 21 488 5608 -24.7 -29.7 63 5.0 -25.5 155 16 305.0 305.2 284.3 307.3 0.67 22 486 5638 -23.9 -26.7 78 2.8 -24.4 156 17 306.4 306.5 285.1 309.3 0.89 23 484 5668 -23.9 -26.8 77 2.9 -24.4 158 17 306.7 306.9 285.2 309.7 0.88 24 419 6704 -32.3 -34.5 81 2.2 -32.6 157 18 308.9 309.0 285.5 310.6 0.49 25 417 6738 -32.7 -36.3 70 3.6 -33.1 158 17 308.8 308.9 285.4 310.2 0.41 26 400 7030 -35.3 -38.1 75 2.8 -35.5 160 17 309.1 309.2 285.4 310.4 0.36 27 380 7384 -38.3 -40.0 84 1.7 -38.4 175 21 309.7 309.8 285.6 310.8 0.31 28 367 7622 -40.5 -43.4 74 2.9 -40.7 185 23 309.9 309.9 285.6 310.7 0.22 29 365 7660 -40.7 -46.7 52 6.0 -41.1 184 22 310.1 310.1 285.5 310.7 0.16 30 363 7697 -41.3 -48.3 47 7.0 -41.6 183 22 309.8 309.8 285.4 310.3 0.13 31 356 7829 -42.3 -55.3 23 13.0 -42.8 179 19 310.2 310.2 285.5 310.4 0.06 32 339 8157 -44.5 -55.5 28 11.0 -44.9 181 18 311.6 311.6 285.9 311.8 0.06 33 300 8970 -47.1 -64.1 13 17.0 -47.5 195 23 319.0 319.0 288.4 319.1 0.02 34 294 9104 -47.5 -62.5 16 15.0 -47.9 195 23 320.2 320.3 288.9 320.4 0.03 35 288 9241 -47.9 -62.9 16 15.0 -48.3 190 19 321.6 321.6 289.3 321.7 0.03 36 256 10023 -46.7 -68.7 6 22.0 -47.2 188 23 334.4 334.4 292.9 334.4 0.01 37 250 10180 -47.7 -68.7 7 21.0 -48.2 205 11 335.2 335.2 293.1 335.2 0.01 38 249 10206 -48.1 -70.1 6 22.0 -48.6 207 12 334.9 334.9 293.0 335.0 0.01 39 235 10590 -45.9 -67.9 7 22.0 -46.5 198 16 343.9 343.9 295.3 343.9 0.02 40 200 11660 -47.1 -70.1 5 23.0 -47.7 285 5 358.2 358.2 298.4 358.3 0.02 41 150 13550 -49.9 -73.9 4 24.0 -50.5 270 11 384.1 384.1 302.9 384.1 0.01 42 133 14334 -51.1 -76.1 4 25.0 -51.7 310 11 395.4 395.4 304.6 395.4 0.01 43 126 14686 -49.5 -75.5 3 26.0 -50.3 308 11 404.4 404.5 305.8 404.5 0.01 44 110 15570 -51.9 -75.9 4 24.0 -52.6 310 10 416.0 416.0 307.2 416.0 0.01 45 106 15811 -50.5 -74.5 4 24.0 -51.3 314 10 423.0 423.0 308.1 423.1 0.01 46 100 16190 -51.3 -78.3 3 27.0 -52.1 310 8 428.6 428.6 308.7 428.7 0.01 47 82 17474 -54.1 -80.1 3 26.0 -54.8 19 9 447.9 447.9 310.7 448.0 0.01 48 74 18139 -50.5 -80.5 2 30.0 -51.7 33 8 468.8 468.8 312.5 468.9 0.01 49 70 18500 -53.3 -80.3 2 27.0 -54.2 40 7 470.4 470.4 312.7 470.4 0.01 50 66 18878 -54.1 -78.1 4 24.0 -54.9 2 0 476.6 476.6 313.2 476.7 0.01 51 50 20670 -51.1 -80.1 2 29.0 -52.6 35 9 523.1 523.1 316.5 523.1 0.01 52 47 21074 -50.7 -78.7 2 28.0 -52.4 56 12 533.4 533.4 317.1 533.5 0.02 53 38 22456 -52.3 -85.3 1 33.0 -54.0 97 11 562.7 562.7 318.8 562.7 0.01 54 30 24000 -48.5 -86.5 0 38.0 -51.5 115 6 612.4 612.4 321.2 612.5 0.01 55 22 26055 -44.9 -84.9 0 40.0 -49.8 17 11 680.0 680.0 323.8 680.0 0.01 56 20 26690 -45.7 -84.7 0 39.0 -50.6 100 16 696.3 696.3 324.3 696.4 0.02 57 17 27775 -46.1 -85.1 0 39.0 -51.4 111 21 728.1 728.1 325.3 728.3 0.02 58 15 28620 -40.5 -81.5 0 41.0 -48.7 125 14 773.3 773.3 326.5 773.6 0.03 59 14 29093 -39.1 -81.1 0 42.0 -48.3 100 14 793.4 793.5 327.1 793.8 0.04 60 12 30149 -40.1 -81.1 0 41.0 -49.5 85 11 825.7 825.7 327.8 826.1 0.05 61 10 31410 -34.9 -77.9 0 43.0 -48.1 105 12 889.3 889.3 329.2 890.3 0.09 62 7.4 33519 -33.1 -77.1 0 44.0 -49.1 976.6 976.7 330.8 978.2 0.14 63 7.3 33615 -33.1 -77.1 0 44.0 -49.2 980.4 980.5 330.9 982.1 0.14 64 6.4 34555 -25.1 -72.1 0 47.0 -47.4 1051.9 1052.1 332.0 1056.5 0.35 65 5.6 35529 -23.3 -70.3 1 47.0 -47.7 1100.8 1101.1 332.7 1107.9 0.52 66 5.3 35932 -23.7 -70.7 0 47.0 -48.1 1116.5 1116.8 332.9 1123.7 0.52 TRP 288 9241 -47.9 -62.9 16 15.0 -48.3 190 19 321.6 321.6 289.3 321.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5408.00 m Freezing level: 835.24 mb = 1481.59 m = 4860.80 ft Wetbulb zero: 838.18 mb = 1451.14 m = 4760.89 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 87.61 % Est. max temperature: 12.30 C = 54.14 F Sfc-Lift cond lev (LCL): 954.68 mb = 395.44 m = 1297.35 ft T: 4.44 C 700-500 lapse rate: 6.91 C/km ThetaE index: 1.29 C Layer 925.0- 910.0 mb Conv cond level (CCL): 927.66 mb = 634.16 m = 2080.55 ft Mean mixing ratio: 4.91 g/kg Conv temperature: 5.53 C = 41.96 F Cap Strength: 8.33 C Lifted Index: 8.46 C Risk: None Lifted Index @300 mb: 16.10 C Lifted Index @700 mb: 6.08 C Showalter Index: 5.47 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 23.90 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 50.60 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.20 J/kg Max Up Vert Vel: 6.36 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 8.40 C Lift Cond Lev (LCL): 911.68 mb = 775.07 m = 2542.85 ft Lev Free Conv (LFC): 906.68 mb = 819.38 m = 2688.23 ft Equ Level (EL): 896.68 mb = 908.65 m = 2981.11 ft B at Equ Level: 19.92 J/kg Max Parcel Lev (MPL): 846.68 mb = 1370.38 m = 4495.93 ft Wind level data Storm motion: 130 at 14 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 ---------------------------------------------------------- 0 965 306 55 5 -4.1 -2.9 | 332 13 6.4 -11.8 1 930 610 55 21 -17.2 -12.0 | 18 22 -6.7 -20.9 2 925 658 60 22 -19.1 -11.0 | 23 22 -8.6 -19.9 3 896 914 80 24 -23.6 -4.2 | 45 19 -13.2 -13.1 4 863 1219 70 10 -9.4 -3.4 | 355 12 1.1 -12.3 5 850 1339 60 13 -11.3 -6.5 | 3 15 -0.8 -15.4 6 830 1524 85 14 -13.9 -1.2 | 19 11 -3.5 -10.1 7 799 1829 85 19 -18.9 -1.7 | 39 14 -8.5 -10.6 8 769 2134 90 17 -17.0 0.0 | 36 11 -6.5 -8.9 9 740 2438 75 17 -16.4 -4.4 | 24 15 -6.0 -13.3 10 712 2743 90 19 -19.0 0.0 | 44 12 -8.5 -8.9 11 700 2882 85 15 -14.9 -1.3 | 24 11 -4.5 -10.2 12 658 3353 80 21 -20.7 -3.6 | 39 16 -10.2 -12.5 13 632 3658 80 22 -21.7 -3.8 | 41 17 -11.2 -12.7 14 607 3962 90 22 -22.0 0.0 | 52 15 -11.5 -8.9 15 583 4267 115 22 -19.9 9.3 | 92 9 -9.5 0.4 16 538 4877 120 19 -16.5 9.5 | 96 6 -6.0 0.6 17 500 5430 145 15 -8.6 12.3 | 209 4 1.9 3.4 18 475 5791 165 18 -4.7 17.4 | 214 10 5.8 8.5 19 456 6096 155 20 -8.5 18.1 | 192 9 2.0 9.2 20 437 6401 155 18 -7.6 16.3 | 201 8 2.9 7.4 21 401 7010 160 17 -5.8 16.0 | 213 8 4.6 7.1 22 400 7030 160 17 -5.8 16.0 | 213 8 4.6 7.1 23 366 7620 185 23 2.0 22.9 | 222 19 12.5 14.0 24 350 7925 175 17 -1.5 16.9 | 228 12 9.0 8.0 25 306 8839 200 20 6.8 18.8 | 240 20 17.3 9.9 26 300 8970 195 23 6.0 22.2 | 231 21 16.4 13.3 27 292 9144 195 23 6.0 22.2 | 231 21 16.4 13.3 28 288 9241 190 19 3.3 18.7 | 234 17 13.8 9.8 29 279 9449 190 20 3.5 19.7 | 232 18 13.9 10.8 30 267 9754 175 19 -1.7 18.9 | 221 13 8.8 10.0 31 255 10058 190 23 4.0 22.7 | 226 20 14.5 13.8 32 250 10180 205 11 4.6 10.0 | 266 15 15.1 1.1 33 243 10363 220 15 9.6 11.5 | 263 20 20.1 2.6 34 232 10668 190 16 2.8 15.8 | 243 15 13.2 6.9 35 222 10973 225 12 8.5 8.5 | 271 19 18.9 -0.4 36 200 11660 285 5 4.8 -1.3 | 304 18 15.3 -10.2 37 184 12192 250 2 1.9 0.7 | 304 15 12.3 -8.2 38 150 13550 270 11 11.0 -0.0 | 293 23 21.5 -8.9 39 146 13716 245 11 10.0 4.6 | 282 21 20.4 -4.2 40 140 14021 300 11 9.5 -5.5 | 306 25 20.0 -14.4 41 133 14326 310 11 8.4 -7.1 | 310 25 18.9 -16.0 42 116 15240 305 10 8.2 -5.7 | 308 24 18.7 -14.6 43 105 15850 315 10 7.1 -7.1 | 312 24 17.5 -16.0 44 101 16154 340 10 3.4 -9.4 | 323 23 13.9 -18.3 45 100 16190 310 8 6.1 -5.1 | 310 22 16.6 -14.0 46 96 16459 310 8 6.1 -5.1 | 310 22 16.6 -14.0 47 92 16764 5 10 -0.9 -10.0 | 333 21 9.6 -18.9 48 70 18500 40 7 -4.5 -5.4 | 337 15 6.0 -14.3 49 66 18898 0 0 -0.0 -0.0 | 310 14 10.5 -8.9 50 57 19812 350 10 1.7 -9.8 | 327 22 12.2 -18.7 51 52 20422 360 13 -0.0 -13.0 | 334 24 10.5 -21.9 52 50 20670 35 9 -5.2 -7.4 | 342 17 5.3 -16.3 53 50 20726 5 11 -1.0 -11.0 | 334 22 9.5 -19.9 54 45 21336 95 12 -12.0 1.0 | 11 8 -1.5 -7.8 55 43 21641 135 14 -9.9 9.9 | 209 1 0.6 1.0 56 39 22250 135 1 -0.7 0.7 | 310 13 9.8 -8.2 57 37 22555 80 15 -14.8 -2.6 | 21 12 -4.3 -11.5 58 36 22860 95 10 -10.0 0.9 | 356 8 0.5 -8.0 59 34 23165 60 10 -8.7 -5.0 | 353 14 1.8 -13.9 60 33 23470 65 10 -9.1 -4.2 | 354 13 1.4 -13.1 61 30 24000 115 6 -5.4 2.5 | 322 8 5.0 -6.4 62 30 24079 130 12 -9.2 7.7 | 313 2 1.3 -1.2 63 24 25603 250 2 1.9 0.7 | 304 15 12.3 -8.2 64 23 25908 15 10 -2.6 -9.7 | 337 20 7.9 -18.6 65 21 26213 20 12 -4.1 -11.3 | 343 21 6.4 -20.2 66 21 26518 30 14 -7.0 -12.1 | 351 21 3.5 -21.0 67 20 26690 100 16 -15.8 2.8 | 41 8 -5.3 -6.1 68 20 26822 110 16 -15.0 5.5 | 53 6 -4.6 -3.4 69 18 27432 80 24 -23.6 -4.2 | 45 19 -13.2 -13.1 70 17 27737 110 21 -19.7 7.2 | 80 9 -9.3 -1.7 71 15 28651 125 14 -11.5 8.0 | 49 1 -1.0 -0.9 72 14 28956 95 11 -11.0 1.0 | 4 8 -0.5 -7.9 73 14 29261 105 17 -16.4 4.4 | 53 7 -6.0 -4.5 74 13 29870 80 11 -10.8 -1.9 | 2 11 -0.4 -10.8 75 10 31410 105 12 -11.6 3.1 | 11 6 -1.1 -5.8 Wind Parameters Mean winds (0-6000m): 100.4 at 18.3 knts Storm direction: 130.4 at 13.7 knts Shear (0-3000m) pos: 4.5 neg: 1.7 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 66.7 deg Storm rel helicity (0-3000m) pos: 160.6 neg: -66.1 tot: 94.5 m^2/s^2 ave: 31.5 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 12.1 stream: 3.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.02 Bulk Shear: 19.85 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 60 17 13 18| 18.9 0.0 18.9| 91.7 0.0 91.7 183.5 0.86| 23.4 20.1 1000 68 17 19 16| 9.5 5.8 15.3|110.3 -46.4 63.9 63.9 0.27| 21.5 5.9 1500 72 16 20 15| 8.8 3.9 12.6|136.1 -46.4 89.7 59.8 0.37| 17.8 6.6 2000 76 17 24 14| 6.6 3.3 9.9|136.7 -52.6 84.2 42.1 0.31| 14.5 4.5 2500 77 17 25 14| 5.3 2.7 8.0|149.9 -59.9 90.0 36.0 0.30| 13.0 3.9 3000 78 17 27 14| 4.5 1.7 6.2|160.6 -66.1 94.5 31.5 0.28| 12.1 3.4 4000 82 18 33 14| 3.7 1.3 5.0|202.1 -66.1 136.0 34.0 0.37| 11.0 4.1 5000 90 18 42 12| 2.4 1.0 3.4|208.8 -66.1 142.7 28.5 0.40| 9.9 3.9 6000 100 18 53 9| 2.1 0.6 2.7|213.7 -75.3 138.4 23.1 0.35| 9.3 3.2 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250531.12.gif