UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062700.upa.cvt Date: 0000Z 27 JUN 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 27 JUN 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 167 SFC 984 306 16.4 4.4 45 12.0 10.0 295 8 290.9 291.8 283.9 306.2 5.33 2 925 825 11.4 2.4 54 9.0 6.9 295 16 291.0 291.8 283.5 305.2 4.92 3 850 1523 4.8 0.9 76 3.9 2.9 305 20 291.2 292.0 283.4 305.1 4.80 4 801 2004 0.4 -0.4 94 0.8 0.0 320 27 291.5 292.3 283.4 304.9 4.64 5 763 2392 -2.5 -2.5 100 0.0 -2.5 328 31 292.4 293.2 283.2 304.6 4.17 6 720 2850 -5.7 -5.7 100 0.0 -5.7 342 34 293.8 294.4 283.0 304.1 3.47 7 714 2916 -6.1 -8.7 82 2.6 -7.1 343 35 294.1 294.6 282.3 302.4 2.77 8 700 3071 -7.1 -9.2 85 2.1 -7.9 345 37 294.6 295.1 282.5 302.8 2.72 9 660 3528 -10.3 -10.9 95 0.6 -10.5 343 38 296.0 296.5 282.8 303.7 2.52 10 614 4082 -13.1 -19.1 61 6.0 -14.7 345 34 299.0 299.2 282.7 303.3 1.37 11 583 4475 -15.9 -19.8 72 3.9 -16.9 340 33 300.2 300.4 283.2 304.5 1.36 12 565 4712 -17.1 -25.1 50 8.0 -18.8 334 34 301.5 301.6 283.1 304.3 0.88 13 521 5316 -20.9 -26.9 59 6.0 -22.0 319 35 304.0 304.1 284.0 306.6 0.81 14 500 5620 -22.3 -32.3 40 10.0 -23.8 320 37 305.9 305.9 284.4 307.6 0.51 15 499 5635 -22.5 -32.5 40 10.0 -24.0 320 37 305.8 305.9 284.4 307.5 0.50 16 454 6318 -27.7 -42.7 23 15.0 -29.2 324 42 307.6 307.7 284.7 308.3 0.19 17 404 7141 -34.9 -46.9 28 12.0 -35.7 320 48 308.8 308.8 285.0 309.3 0.14 18 400 7210 -35.5 -44.5 39 9.0 -36.1 320 48 308.9 308.9 285.1 309.5 0.18 19 397 7262 -35.9 -43.9 44 8.0 -36.5 320 48 309.0 309.0 285.2 309.7 0.20 20 365 7840 -41.1 -46.1 58 5.0 -41.4 320 52 309.6 309.6 285.4 310.2 0.17 21 355 8029 -42.7 -49.7 46 7.0 -43.0 320 53 309.9 309.9 285.4 310.3 0.12 22 352 8086 -42.9 -52.9 33 10.0 -43.3 320 54 310.4 310.4 285.5 310.7 0.08 23 335 8418 -45.3 -53.3 40 8.0 -45.6 320 56 311.5 311.5 285.9 311.8 0.08 24 316 8806 -47.3 -58.3 27 11.0 -47.6 320 58 314.0 314.0 286.8 314.2 0.05 25 300 9150 -47.7 -63.7 14 16.0 -48.1 320 62 318.1 318.1 288.2 318.2 0.02 26 289 9397 -48.7 -64.7 14 16.0 -49.0 325 62 320.1 320.1 288.8 320.2 0.02 27 270 9848 -47.1 -69.1 6 22.0 -47.6 318 65 328.7 328.7 291.4 328.8 0.01 28 266 9947 -47.7 -68.7 7 21.0 -48.1 317 65 329.3 329.3 291.5 329.3 0.01 29 250 10360 -45.3 -76.3 2 31.0 -45.9 310 68 338.7 338.7 294.0 338.7 0.00 30 245 10495 -44.8 -76.7 2 31.9 -45.4 310 70 341.5 341.5 294.7 341.5 0.00 31 239 10660 -44.1 -77.1 1 33.0 -44.9 310 70 344.9 344.9 295.5 344.9 0.00 32 209 11550 -47.7 -78.7 2 31.0 -48.3 310 63 352.8 352.8 297.3 352.8 0.00 33 200 11840 -47.5 -80.5 1 33.0 -48.1 310 61 357.6 357.6 298.2 357.6 0.00 34 193 12074 -48.1 -81.1 1 33.0 -48.7 309 62 360.3 360.3 298.8 360.3 0.00 35 189 12212 -46.9 -80.9 1 34.0 -47.6 308 62 364.4 364.4 299.5 364.4 0.00 36 174 12757 -48.3 -82.3 1 34.0 -49.0 304 64 370.8 370.8 300.7 370.8 0.00 37 169 12949 -47.5 -82.5 1 35.0 -48.3 303 65 375.2 375.2 301.5 375.2 0.00 38 150 13730 -50.1 -84.1 1 34.0 -50.7 305 58 383.7 383.7 302.8 383.8 0.00 39 149 13774 -50.3 -84.3 1 34.0 -50.9 306 58 384.1 384.1 302.9 384.1 0.00 40 117 15357 -49.1 -85.1 1 36.0 -50.0 301 40 413.9 413.9 307.0 413.9 0.00 41 114 15527 -50.7 -85.7 1 35.0 -51.5 296 43 414.0 414.0 307.0 414.0 0.00 42 107 15941 -50.1 -85.1 1 35.0 -51.0 297 45 422.7 422.7 308.0 422.7 0.00 43 101 16316 -52.7 -85.7 1 33.0 -53.4 304 42 424.7 424.7 308.3 424.7 0.00 44 100 16380 -52.5 -86.5 1 34.0 -53.2 305 42 426.3 426.3 308.4 426.3 0.00 45 89 17136 -49.7 -85.7 1 36.0 -50.8 317 46 446.3 446.3 310.5 446.3 0.00 46 70 18700 -51.3 -86.3 1 35.0 -52.4 285 19 474.6 474.6 313.0 474.7 0.00 47 63 19382 -52.5 -86.5 1 34.0 -53.6 294 22 486.5 486.5 314.0 486.5 0.00 48 50 20880 -50.7 -86.7 1 36.0 -52.3 330 14 524.0 524.0 316.5 524.0 0.00 49 40 22338 -48.9 -86.9 0 38.0 -51.2 253 7 563.0 563.0 318.8 563.1 0.01 50 32 23797 -50.3 -87.3 0 37.0 -52.7 9 14 596.4 596.4 320.5 596.4 0.01 51 30 24220 -48.3 -86.3 0 38.0 -51.3 50 14 613.0 613.0 321.2 613.0 0.01 52 27 24918 -45.9 -84.9 0 39.0 -49.8 69 13 638.5 638.5 322.2 638.5 0.01 53 26 25168 -46.5 -85.5 0 39.0 -50.4 63 15 643.7 643.7 322.4 643.8 0.01 54 20 26920 -43.9 -83.9 0 40.0 -49.5 65 13 701.8 701.8 324.5 701.9 0.02 55 15 28860 -42.5 -82.5 0 40.0 -49.7 89 16 766.6 766.7 326.4 766.9 0.03 56 10 31650 -34.3 -77.3 0 43.0 -47.9 75 22 891.5 891.6 329.2 892.6 0.10 57 9.4 32082 -35.1 -78.1 0 43.0 -48.5 904.4 904.4 329.5 905.4 0.10 58 6.3 34930 -25.3 -72.3 0 47.0 -47.6 1055.8 1056.0 332.1 1060.3 0.35 TRP 289 9397 -48.7 -64.7 14 16.0 -49.0 325 62 320.1 320.1 288.8 320.2 0.02 WND 245 10495 -44.8 -76.7 2 31.9 -45.4 310 70 341.5 341.5 294.7 341.5 0.00 Sounding variables and indices 1000-500 mb thick: 5453.00 m Freezing level: 795.76 mb = 2057.38 m = 6749.85 ft Wetbulb zero: 800.70 mb = 2006.79 m = 6583.89 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 72.70 % Est. max temperature: 16.79 C = 62.22 F Sfc-Lift cond lev (LCL): 821.72 mb = 1796.99 m = 5895.56 ft T: 2.29 C 700-500 lapse rate: 5.96 C/km ThetaE index: 3.86 C Layer 925.0- 700.0 mb Conv cond level (CCL): 804.64 mb = 1967.13 m = 6453.77 ft Mean mixing ratio: 5.02 g/kg Conv temperature: 16.96 C = 62.53 F Cap Strength: 1.90 C Lifted Index: 2.93 C Risk: None Lifted Index @300 mb: 9.12 C Lifted Index @700 mb: -0.67 C Showalter Index: 3.23 C Risk: None Total Totals Index: 50.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 23.20 C K Index: 25.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 113.80 Risk: None Energy Index: 0.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.03 J/kg Max Up Vert Vel: 8.61 m/s Conv Inhibition (B-): 7.59 J/kg Cap Strength: 2.95 C Lift Cond Lev (LCL): 810.24 mb = 1910.94 m = 6269.42 ft Lev Free Conv (LFC): 785.24 mb = 2162.59 m = 7095.04 ft Equ Level (EL): 625.24 mb = 3942.98 m = 12936.14 ft B at Equ Level: 36.88 J/kg Max Parcel Lev (MPL): 525.24 mb = 5255.89 m = 17243.52 ft Wind level data Storm motion: 359 at 23 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 ---------------------------------------------------------- 0 984 306 295 8 7.3 -3.4 | 199 21 6.7 19.5 1 949 610 295 13 11.8 -5.5 | 213 21 11.2 17.4 2 925 825 295 16 14.5 -6.8 | 221 21 14.0 16.1 3 915 914 295 14 12.7 -5.9 | 216 21 12.2 17.0 4 882 1219 300 19 16.5 -9.5 | 230 21 15.9 13.4 5 850 1523 305 20 16.4 -11.5 | 234 20 15.8 11.4 6 818 1829 320 25 16.1 -19.2 | 256 16 15.5 3.8 7 787 2134 320 29 18.6 -22.2 | 268 18 18.1 0.7 8 758 2438 330 31 15.5 -26.8 | 285 15 15.0 -3.9 9 729 2743 340 32 10.9 -30.1 | 305 13 10.4 -7.2 10 700 3071 345 37 9.6 -35.7 | 325 16 9.0 -12.8 11 674 3353 340 40 13.7 -37.6 | 318 20 13.1 -14.7 12 648 3658 345 37 9.6 -35.7 | 325 16 9.0 -12.8 13 598 4267 345 32 8.3 -30.9 | 316 11 7.7 -8.0 14 552 4877 330 35 17.5 -30.3 | 294 19 17.0 -7.4 15 509 5486 315 35 24.7 -24.7 | 274 24 24.2 -1.8 16 500 5620 320 37 23.8 -28.3 | 283 24 23.2 -5.4 17 468 6096 325 41 23.5 -33.6 | 295 25 23.0 -10.7 18 400 7210 320 48 30.9 -36.8 | 295 33 30.3 -13.9 19 376 7620 320 51 32.8 -39.1 | 297 36 32.2 -16.2 20 300 9144 320 60 38.6 -46.0 | 301 44 38.0 -23.1 21 300 9150 320 62 39.9 -47.5 | 302 46 39.3 -24.6 22 289 9397 325 62 35.6 -50.8 | 309 45 35.0 -27.9 23 287 9449 325 62 35.6 -50.8 | 309 45 35.0 -27.9 24 250 10360 310 68 52.1 -43.7 | 292 56 51.6 -20.8 25 245 10495 310 70 53.6 -45.0 | 293 57 53.1 -22.1 26 239 10668 310 70 53.6 -45.0 | 293 57 53.1 -22.1 27 200 11840 310 61 46.7 -39.2 | 289 49 46.2 -16.3 28 157 13411 300 67 58.0 -33.5 | 280 58 57.5 -10.6 29 150 13730 305 58 47.5 -33.3 | 282 48 47.0 -10.4 30 137 14326 320 54 34.7 -41.4 | 298 39 34.2 -18.5 31 119 15240 305 39 31.9 -22.4 | 269 31 31.4 0.5 32 114 15545 295 43 39.0 -18.2 | 263 39 38.4 4.7 33 108 15850 295 46 41.7 -19.4 | 265 41 41.2 3.5 34 100 16380 305 42 34.4 -24.1 | 272 34 33.9 -1.2 35 99 16459 305 38 31.1 -21.8 | 268 31 30.6 1.1 36 94 16764 305 42 34.4 -24.1 | 272 34 33.9 -1.2 37 90 17069 315 48 33.9 -33.9 | 288 35 33.4 -11.0 38 82 17678 330 34 17.0 -29.4 | 292 18 16.5 -6.5 39 78 17983 315 33 23.3 -23.3 | 271 23 22.8 -0.4 40 71 18593 320 16 10.3 -12.3 | 222 14 9.7 10.6 41 70 18700 285 19 18.4 -4.9 | 225 25 17.8 18.0 42 68 18898 290 18 16.9 -6.2 | 224 23 16.4 16.7 43 65 19202 290 20 18.8 -6.8 | 229 24 18.3 16.1 44 59 19812 305 26 21.3 -14.9 | 249 22 20.8 8.0 45 56 20117 320 18 11.6 -13.8 | 230 14 11.0 9.1 46 54 20422 315 20 14.1 -14.1 | 237 16 13.6 8.8 47 51 20726 325 16 9.2 -13.1 | 221 13 8.6 9.8 48 50 20880 330 14 7.0 -12.1 | 211 13 6.5 10.8 49 49 21031 340 16 5.5 -15.0 | 212 9 4.9 7.9 50 47 21336 320 10 6.4 -7.7 | 201 16 5.9 15.2 51 45 21641 345 14 3.6 -13.5 | 198 10 3.1 9.4 52 42 21946 320 10 6.4 -7.7 | 201 16 5.9 15.2 53 37 22860 165 2 -0.5 1.9 | 178 25 -1.1 24.8 54 35 23165 10 14 -2.4 -13.8 | 162 10 -3.0 9.1 55 34 23470 340 10 3.4 -9.4 | 192 14 2.9 13.5 56 32 23774 5 14 -1.2 -13.9 | 169 9 -1.8 9.0 57 31 24079 55 13 -10.6 -7.5 | 144 19 -11.2 15.4 58 30 24220 50 14 -10.7 -9.0 | 141 18 -11.3 13.9 59 29 24384 50 17 -13.0 -10.9 | 131 18 -13.6 12.0 60 28 24689 50 14 -10.7 -9.0 | 141 18 -11.3 13.9 61 27 24994 75 13 -12.6 -3.4 | 146 24 -13.1 19.5 62 26 25298 55 17 -13.9 -9.8 | 132 20 -14.5 13.2 63 24 25603 95 10 -10.0 0.9 | 156 26 -10.5 23.8 64 23 25908 125 2 -1.6 1.1 | 175 24 -2.2 24.1 65 21 26518 35 10 -5.7 -8.2 | 157 16 -6.3 14.7 66 20 26822 60 11 -9.5 -5.5 | 150 20 -10.1 17.4 67 20 26920 65 13 -11.8 -5.5 | 145 21 -12.3 17.4 68 19 27432 60 11 -9.5 -5.5 | 150 20 -10.1 17.4 69 18 27737 55 13 -10.6 -7.5 | 144 19 -11.2 15.4 70 17 28042 65 21 -19.0 -8.9 | 126 24 -19.6 14.0 71 16 28346 115 18 -16.3 7.6 | 151 35 -16.9 30.5 72 15 28956 85 16 -15.9 -1.4 | 143 27 -16.5 21.5 73 14 29261 110 10 -9.4 3.4 | 159 28 -9.9 26.3 74 14 29566 90 13 -13.0 0.0 | 149 27 -13.5 22.9 75 13 29870 45 10 -7.1 -7.1 | 154 18 -7.6 15.8 76 10 31650 75 22 -21.3 -5.7 | 128 28 -21.8 17.2 Wind Parameters Mean winds (0-6000m): 328.7 at 30.5 knts Storm direction: 358.7 at 22.9 knts Shear (0-3000m) pos: 4.2 neg: 2.3 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 120.2 deg Storm rel helicity (0-3000m) pos: 182.3 neg: -15.2 tot: 167.1 m^2/s^2 ave: 55.7 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 6.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.60 Bulk Shear: 61.71 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 ------------------------------------------------------------------------------- 500 295 12 210 21| 0.0 8.0 8.0| 42.0 0.0 42.0 84.1 0.99| 8.0 7.9 1000 297 14 217 21| 2.1 4.0 6.1| 72.0 -8.4 63.6 63.6 0.78| 7.6 6.0 1500 302 17 224 20| 4.1 2.7 6.8|107.5 -8.4 99.1 66.1 0.81| 8.0 6.5 2000 309 20 234 18| 4.7 2.0 6.7|137.5 -8.4 129.1 64.5 0.83| 7.9 6.6 2500 316 22 244 16| 5.1 1.6 6.7|168.1 -8.4 159.7 63.9 0.85| 8.2 6.9 3000 323 24 257 14| 4.2 2.3 6.5|182.3 -15.2 167.1 55.7 0.75| 8.2 6.2 4000 331 27 274 13| 2.9 1.4 4.3|189.5 -23.0 166.5 41.6 0.62| 7.3 4.5 5000 331 29 279 14| 2.4 2.3 4.7|189.5 -70.9 118.5 23.7 0.35| 7.4 2.6 6000 329 31 282 16| 2.6 2.0 4.5|242.8 -80.4 162.4 27.1 0.38| 7.2 2.7 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250627.00.gif