UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 1 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 982 306 -1.3 -6.3 69 5.0 -3.0 210 4 273.3 273.7 271.1 280.0 2.43 2 925 780 -4.1 -9.1 68 5.0 -5.7 240 19 275.1 275.5 271.7 280.9 2.07 3 899 1004 -5.9 -9.4 76 3.5 -7.0 241 18 275.5 275.9 271.9 281.4 2.08 4 895 1039 -5.3 -19.3 32 14.0 -8.7 239 18 276.5 276.6 270.7 279.2 0.93 5 886 1119 -5.1 -24.1 21 19.0 -9.1 235 19 277.5 277.6 270.7 279.3 0.61 6 850 1444 -5.9 -26.9 17 21.0 -10.1 215 18 280.0 280.0 272.0 281.5 0.50 7 845 1490 -6.1 -28.1 16 22.0 -10.3 212 17 280.2 280.3 272.1 281.6 0.45 8 812 1801 -6.7 -36.7 7 30.0 -11.3 219 17 282.8 282.8 273.2 283.5 0.20 9 749 2430 -8.5 -24.5 26 16.0 -11.9 224 18 287.5 287.6 276.5 289.6 0.70 10 740 2523 -8.5 -17.5 48 9.0 -10.9 230 19 288.5 288.7 277.9 292.4 1.31 11 735 2576 -8.5 -24.5 26 16.0 -12.0 234 19 289.0 289.1 277.3 291.2 0.71 12 725 2682 -8.9 -25.9 24 17.0 -12.5 241 20 289.7 289.8 277.5 291.7 0.64 13 722 2714 -8.3 -21.3 34 13.0 -11.5 243 21 290.7 290.9 278.5 293.7 0.97 14 700 2953 -10.7 -16.7 61 6.0 -12.3 250 19 290.6 290.9 279.1 295.1 1.48 15 684 3130 -12.1 -15.8 74 3.7 -13.1 260 20 291.0 291.3 279.5 295.9 1.63 16 668 3311 -13.1 -22.1 47 9.0 -15.1 260 21 291.9 292.0 279.0 294.9 0.97 17 640 3636 -15.5 -16.2 94 0.7 -15.7 260 23 292.7 293.0 280.4 297.9 1.69 18 638 3660 -15.3 -15.5 98 0.2 -15.3 260 23 293.2 293.5 280.7 298.7 1.79 19 624 3828 -13.3 -16.4 77 3.1 -14.2 263 26 297.4 297.7 282.4 302.7 1.70 20 577 4419 -18.5 -18.5 100 0.0 -18.5 269 34 298.0 298.3 282.5 302.8 1.54 21 552 4748 -21.1 -21.5 97 0.4 -21.2 266 35 298.7 299.0 282.4 302.7 1.24 22 550 4775 -19.5 -33.5 28 14.0 -21.6 266 35 300.9 301.0 282.3 302.3 0.41 23 549 4788 -19.3 -33.3 28 14.0 -21.5 266 36 301.3 301.4 282.5 302.8 0.42 24 544 4857 -19.5 -31.5 34 12.0 -21.5 265 36 301.9 302.0 282.8 303.6 0.50 25 500 5480 -22.5 -43.5 13 21.0 -24.8 275 43 305.6 305.6 283.9 306.2 0.16 26 499 5495 -22.5 -43.5 13 21.0 -24.8 275 43 305.8 305.8 284.0 306.4 0.16 27 400 7070 -35.7 -50.7 20 15.0 -36.5 270 50 308.6 308.6 284.9 308.9 0.09 28 369 7626 -40.7 -50.7 33 10.0 -41.2 270 48 309.1 309.2 285.1 309.5 0.10 29 362 7756 -41.1 -55.1 21 14.0 -41.6 270 51 310.3 310.3 285.5 310.5 0.06 30 342 8140 -44.1 -51.1 46 7.0 -44.4 272 59 311.3 311.3 285.9 311.7 0.10 31 338 8219 -44.5 -60.5 15 16.0 -45.0 272 61 311.8 311.8 286.0 311.9 0.03 32 302 8966 -49.3 -58.3 34 9.0 -49.6 275 78 315.3 315.3 287.2 315.5 0.05 33 300 9010 -49.3 -59.3 30 10.0 -49.6 275 79 315.9 315.9 287.4 316.0 0.04 34 286 9320 -50.9 -63.9 20 13.0 -51.1 275 86 317.9 317.9 288.1 318.0 0.02 35 275 9573 -52.7 -61.6 33 8.9 -52.8 275 95 318.9 319.0 288.5 319.1 0.03 36 270 9691 -53.5 -60.5 42 7.0 -53.7 275 95 319.4 319.4 288.6 319.6 0.04 37 255 10055 -55.7 -68.7 18 13.0 -55.9 280 85 321.4 321.4 289.2 321.5 0.01 38 250 10180 -55.7 -68.7 18 13.0 -55.9 280 83 323.3 323.3 289.8 323.3 0.01 39 243 10362 -54.7 -73.7 8 19.0 -54.9 280 78 327.4 327.4 291.0 327.4 0.01 40 222 10945 -53.9 -78.9 3 25.0 -54.2 279 63 337.2 337.2 293.6 337.2 0.00 41 200 11620 -52.7 -81.7 2 29.0 -53.1 275 50 349.3 349.3 296.5 349.3 0.00 42 194 11817 -51.7 -81.7 2 30.0 -52.1 275 50 354.0 354.0 297.5 354.0 0.00 43 186 12088 -52.7 -82.7 1 30.0 -53.1 275 49 356.6 356.6 298.0 356.6 0.00 44 150 13480 -50.9 -83.9 1 33.0 -51.5 275 40 382.4 382.4 302.6 382.4 0.00 45 140 13929 -50.5 -83.5 1 33.0 -51.1 275 38 390.7 390.7 303.9 390.7 0.00 46 131 14359 -52.5 -84.5 1 32.0 -53.1 274 35 394.6 394.6 304.5 394.6 0.00 47 116 15144 -52.1 -85.1 1 33.0 -52.8 264 40 409.3 409.3 306.4 409.3 0.00 48 105 15786 -53.9 -85.9 1 32.0 -54.5 261 40 417.7 417.7 307.4 417.7 0.00 49 100 16100 -52.1 -86.1 1 34.0 -52.8 270 39 427.1 427.1 308.5 427.1 0.00 50 75 17948 -55.1 -87.1 1 32.0 -55.8 262 23 457.4 457.4 311.5 457.4 0.00 51 70 18390 -52.9 -85.9 1 33.0 -53.8 255 23 471.2 471.2 312.7 471.2 0.00 52 50 20560 -50.9 -85.9 1 35.0 -52.5 290 8 523.5 523.5 316.5 523.6 0.00 53 36 22676 -54.5 -87.5 1 33.0 -55.9 172 12 565.8 565.8 318.9 565.8 0.01 54 30 23850 -51.5 -86.5 1 35.0 -53.8 0 0 604.2 604.2 320.8 604.3 0.01 55 20 26480 -51.9 -86.9 1 35.0 -54.9 165 9 677.3 677.3 323.7 677.4 0.01 56 10 31020 -47.5 -85.5 1 38.0 -54.1 30 14 842.2 842.3 328.2 842.5 0.03 57 6.8 33621 -38.3 -80.3 0 42.0 -51.5 978.8 978.9 330.8 979.9 0.09 58 6.1 34366 -39.9 -80.9 0 41.0 -52.7 1002.8 1002.9 331.2 1003.9 0.09 59 5.3 35338 -34.3 -77.3 0 43.0 -51.4 1069.0 1069.1 332.2 1071.5 0.19 TRP 255 10055 -55.7 -68.7 18 13.0 -55.9 280 85 321.4 321.4 289.2 321.5 0.01 WND 275 9573 -52.7 -61.6 33 8.9 -52.8 275 95 318.9 319.0 288.5 319.1 0.03 Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 50.50 % Est. max temperature: 6.62 C = 43.92 F Sfc-Lift cond lev (LCL): 907.95 mb = 926.24 m = 3038.82 ft T: -5.27 C 700-500 lapse rate: 4.67 C/km ThetaE index: 2.15 C Layer 895.0- 886.0 mb Conv cond level (CCL): 656.73 mb = 3440.41 m = 11287.31 ft Mean mixing ratio: 1.96 g/kg Conv temperature: 17.54 C = 63.57 F Cap Strength: 18.68 C Lifted Index: 21.04 C Risk: None Lifted Index @300 mb: 25.09 C Lifted Index @700 mb: 11.60 C Showalter Index: 20.25 C Risk: None Total Totals Index: 12.20 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: -4.40 C K Index: -16.30 Risk: None Sweat Index: 212.25 Risk: None Energy Index: 5.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.38 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 88425.00 J/kg Cap Strength: 20.64 C Lift Cond Lev (LCL): 847.15 mb = 1470.28 m = 4823.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 20 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 ---------------------------------------------------------- 0 982 306 210 4 2.0 3.5 | 119 20 -17.6 9.6 1 945 610 220 21 13.5 16.1 | 165 23 -6.1 22.2 2 925 780 240 19 16.5 9.5 | 169 16 -3.1 15.6 3 909 914 245 17 15.4 7.2 | 163 14 -4.2 13.3 4 875 1219 230 20 15.3 12.9 | 167 19 -4.2 19.0 5 850 1444 215 18 10.3 14.7 | 156 23 -9.2 20.9 6 841 1524 210 16 8.0 13.9 | 150 23 -11.6 20.0 7 809 1829 220 17 10.9 13.0 | 156 21 -8.6 19.1 8 778 2134 205 16 6.8 14.5 | 148 24 -12.8 20.6 9 748 2438 225 18 12.7 12.7 | 160 20 -6.8 18.8 10 719 2743 245 21 19.0 8.9 | 178 15 -0.5 15.0 11 700 2953 250 19 17.9 6.5 | 172 13 -1.7 12.6 12 691 3048 260 20 19.7 3.5 | 181 10 0.1 9.6 13 637 3658 260 23 22.7 4.0 | 197 11 3.1 10.1 14 588 4267 270 33 33.0 -0.0 | 246 15 13.4 6.1 15 542 4877 265 36 35.9 3.1 | 240 19 16.3 9.3 16 500 5480 275 43 42.8 -3.7 | 264 23 23.3 2.4 17 459 6096 270 50 50.0 -0.0 | 259 31 30.4 6.1 18 400 7070 270 50 50.0 -0.0 | 259 31 30.4 6.1 19 369 7620 270 48 48.0 -0.0 | 258 29 28.4 6.1 20 300 9010 275 79 78.7 -6.9 | 271 59 59.1 -0.8 21 294 9144 275 79 78.7 -6.9 | 271 59 59.1 -0.8 22 275 9573 275 95 94.6 -8.3 | 272 75 75.1 -2.2 23 267 9754 275 95 94.6 -8.3 | 272 75 75.1 -2.2 24 255 10055 280 85 83.7 -14.8 | 278 65 64.1 -8.6 25 255 10058 280 84 82.7 -14.6 | 278 64 63.2 -8.5 26 250 10180 280 83 81.7 -14.4 | 278 63 62.2 -8.3 27 232 10668 280 69 68.0 -12.0 | 277 49 48.4 -5.9 28 200 11620 275 50 49.8 -4.4 | 267 30 30.2 1.8 29 192 11887 275 50 49.8 -4.4 | 267 30 30.2 1.8 30 150 13480 275 40 39.8 -3.5 | 263 20 20.3 2.6 31 145 13716 275 40 39.8 -3.5 | 263 20 20.3 2.6 32 132 14326 275 35 34.9 -3.1 | 259 16 15.3 3.1 33 126 14630 260 37 36.4 6.4 | 233 21 16.9 12.5 34 114 15240 265 41 40.8 3.6 | 246 23 21.3 9.7 35 109 15545 255 41 39.6 10.6 | 230 26 20.0 16.7 36 100 16100 270 39 39.0 -0.0 | 253 20 19.4 6.1 37 95 16459 270 39 39.0 -0.0 | 253 20 19.4 6.1 38 78 17678 280 27 26.6 -4.7 | 258 7 7.0 1.4 39 75 17983 260 22 21.7 3.8 | 192 10 2.1 9.9 40 71 18288 275 25 24.9 -2.2 | 234 7 5.3 3.9 41 70 18390 255 23 22.2 6.0 | 192 12 2.7 12.1 42 68 18593 255 23 22.2 6.0 | 192 12 2.7 12.1 43 65 18898 230 23 17.6 14.8 | 175 21 -1.9 20.9 44 62 19202 255 26 25.1 6.7 | 203 14 5.6 12.8 45 59 19507 255 14 13.5 3.6 | 148 11 -6.0 9.7 46 54 20117 240 25 21.7 12.5 | 186 19 2.1 18.6 47 51 20422 255 28 27.0 7.2 | 209 15 7.5 13.4 48 50 20560 290 8 7.5 -2.7 | 106 13 -12.0 3.4 49 49 20726 305 14 11.5 -8.0 | 77 8 -8.1 -1.9 50 46 21031 205 10 4.2 9.1 | 135 22 -15.3 15.2 51 44 21336 220 18 11.6 13.8 | 158 21 -8.0 19.9 52 42 21641 255 27 26.1 7.0 | 206 15 6.5 13.1 53 40 21946 315 10 7.1 -7.1 | 86 13 -12.5 -1.0 54 38 22250 265 1 1.0 0.1 | 108 20 -18.6 6.2 55 37 22555 150 10 -5.0 8.7 | 121 29 -24.6 14.8 56 35 22860 205 14 5.9 12.7 | 144 23 -13.6 18.8 57 33 23165 225 17 12.0 12.0 | 157 20 -7.5 18.1 58 32 23470 245 13 11.8 5.5 | 146 14 -7.8 11.6 59 30 23774 250 10 9.4 3.4 | 133 14 -10.2 9.5 60 30 23850 0 0 -0.0 -0.0 | 107 20 -19.6 6.1 61 29 24079 290 10 9.4 -3.4 | 105 11 -10.2 2.7 62 28 24384 0 0 -0.0 -0.0 | 107 20 -19.6 6.1 63 22 25908 105 10 -9.7 2.6 | 107 30 -29.2 8.7 64 21 26213 120 11 -9.5 5.5 | 112 31 -29.1 11.6 65 20 26480 165 9 -2.3 8.7 | 124 26 -21.9 14.8 66 17 27432 275 4 4.0 -0.3 | 110 17 -15.6 5.8 67 12 29566 75 10 -9.7 -2.6 | 97 29 -29.2 3.5 68 12 29870 60 10 -8.7 -5.0 | 92 28 -28.2 1.1 69 10 31020 30 14 -7.0 -12.1 | 77 27 -26.6 -6.0 Wind Parameters Mean winds (0-6000m): 257.4 at 27.3 knts Storm direction: 287.4 at 20.5 knts Shear (0-3000m) pos: 4.4 neg: 1.3 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 69.4 deg Storm rel helicity (0-3000m) pos: 167.8 neg: -56.8 tot: 111.0 m^2/s^2 ave: 37.0 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 3.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.37 Bulk Shear: 36.49 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 ------------------------------------------------------------------------------- 500 225 15 153 19| 15.8 0.0 15.8| 97.6 0.0 97.6 195.3 0.73| 25.3 18.4 1000 231 17 159 18| 7.9 2.9 10.7|102.6 -13.1 89.6 89.6 0.48| 17.5 8.4 1500 226 17 158 19| 5.3 2.4 7.6|111.4 -39.2 72.2 48.2 0.32| 14.3 4.6 2000 223 17 156 20| 3.9 2.0 5.9|125.8 -54.4 71.4 35.7 0.27| 12.5 3.4 2500 225 17 158 20| 4.7 1.6 6.3|160.6 -54.4 106.2 42.5 0.34| 12.2 4.2 3000 231 18 162 18| 4.4 1.3 5.7|167.8 -56.8 111.0 37.0 0.34| 11.2 3.8 4000 242 20 173 16| 4.9 1.0 5.9|204.5 -56.8 147.7 36.9 0.43| 10.1 4.4 5000 251 23 190 14| 4.6 0.8 5.4|236.4 -62.2 174.2 34.8 0.43| 9.2 4.0 6000 257 27 210 14| 4.3 0.8 5.1|250.9 -80.6 170.3 28.4 0.39| 8.6 3.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250501.12.gif