UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 16 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 -32 SFC 961 306 7.8 -4.2 42 12.0 2.8 75 6 284.2 284.7 277.9 292.5 2.91 2 925 613 6.2 -5.8 42 12.0 1.4 85 18 285.6 286.1 278.3 293.4 2.68 3 865 1157 1.4 -8.6 47 10.0 -2.3 112 18 286.2 286.6 278.1 292.9 2.30 4 850 1298 0.8 -14.2 32 15.0 -4.0 120 16 287.0 287.2 277.4 291.5 1.50 5 847 1326 0.8 -15.2 29 16.0 -4.1 120 16 287.3 287.5 277.4 291.4 1.38 6 741 2383 -8.1 -17.1 48 9.0 -10.5 106 14 288.8 289.0 278.1 292.9 1.35 7 700 2822 -11.7 -15.7 72 4.0 -12.8 115 15 289.5 289.8 278.8 294.4 1.61 8 698 2844 -11.9 -15.7 73 3.8 -12.9 116 15 289.5 289.8 278.8 294.4 1.61 9 656 3317 -15.1 -16.5 89 1.4 -15.4 108 14 291.1 291.4 279.6 296.0 1.60 10 647 3422 -15.1 -17.9 79 2.8 -15.8 104 13 292.3 292.5 279.8 296.7 1.44 11 596 4039 -18.9 -19.7 93 0.8 -19.1 70 9 294.8 295.1 280.9 299.0 1.34 12 595 4052 -18.9 -20.0 91 1.1 -19.1 69 9 295.0 295.2 280.9 299.0 1.31 13 557 4541 -22.1 -22.7 95 0.6 -22.2 120 7 296.8 297.0 281.4 300.3 1.11 14 536 4824 -23.5 -25.7 82 2.2 -23.9 197 5 298.4 298.6 281.8 301.2 0.88 15 519 5059 -24.9 -35.9 35 11.0 -26.2 176 4 299.5 299.5 281.6 300.6 0.34 16 507 5229 -26.1 -40.1 26 14.0 -27.5 138 3 300.0 300.1 281.7 300.8 0.23 17 500 5330 -26.9 -43.9 18 17.0 -28.4 115 2 300.2 300.3 281.7 300.8 0.16 18 478 5653 -28.3 -52.3 8 24.0 -29.9 63 7 302.4 302.4 282.4 302.6 0.06 19 400 6900 -39.5 -48.5 38 9.0 -39.9 130 13 303.7 303.7 283.0 304.1 0.12 20 399 6917 -39.7 -47.7 42 8.0 -40.1 131 13 303.6 303.6 283.0 304.1 0.13 21 383 7194 -42.1 -54.1 26 12.0 -42.5 149 12 304.0 304.0 283.1 304.3 0.06 22 381 7229 -42.3 -48.3 52 6.0 -42.6 150 12 304.2 304.2 283.2 304.7 0.13 23 380 7247 -42.5 -48.5 52 6.0 -42.8 151 12 304.2 304.2 283.2 304.6 0.12 24 369 7444 -44.3 -49.1 59 4.8 -44.5 157 12 304.4 304.4 283.3 304.8 0.12 25 367 7480 -44.3 -53.3 36 9.0 -44.6 158 11 304.8 304.8 283.4 305.1 0.07 26 364 7535 -44.7 -52.7 40 8.0 -45.0 158 11 305.0 305.0 283.5 305.3 0.08 27 359 7627 -44.7 -60.7 15 16.0 -45.1 160 11 306.2 306.2 283.9 306.3 0.03 28 343 7929 -46.9 -59.9 21 13.0 -47.2 150 10 307.3 307.3 284.3 307.4 0.03 29 326 8263 -49.5 -55.5 49 6.0 -49.7 142 21 308.2 308.2 284.7 308.4 0.06 30 319 8404 -50.7 -57.7 43 7.0 -50.8 138 25 308.4 308.4 284.8 308.6 0.05 31 300 8800 -53.3 -62.3 33 9.0 -53.5 130 27 310.2 310.2 285.4 310.3 0.03 32 290 9019 -54.5 -67.5 19 13.0 -54.6 130 24 311.5 311.5 285.9 311.6 0.01 33 273 9406 -56.1 -67.1 24 11.0 -56.2 130 32 314.6 314.6 287.0 314.7 0.02 34 251 9944 -54.5 -72.5 9 18.0 -54.7 134 21 324.7 324.7 290.2 324.7 0.01 35 250 9970 -54.1 -73.1 8 19.0 -54.4 135 20 325.6 325.6 290.5 325.7 0.01 36 238 10287 -51.5 -78.5 3 27.0 -51.8 145 20 334.2 334.2 292.9 334.2 0.00 37 218 10858 -50.5 -81.5 1 31.0 -50.9 145 20 344.2 344.2 295.3 344.2 0.00 38 200 11420 -49.7 -81.7 1 32.0 -50.2 180 22 354.1 354.1 297.5 354.1 0.00 39 195 11585 -49.3 -82.3 1 33.0 -49.8 190 22 357.3 357.3 298.1 357.3 0.00 40 181 12070 -51.1 -83.1 1 32.0 -51.6 202 29 362.0 362.0 299.1 362.0 0.00 41 154 13119 -50.7 -83.7 1 33.0 -51.3 190 21 379.8 379.8 302.2 379.9 0.00 42 150 13290 -51.1 -84.1 1 33.0 -51.7 190 33 382.0 382.0 302.6 382.0 0.00 43 146 13466 -51.9 -83.9 1 32.0 -52.4 192 32 383.6 383.6 302.8 383.6 0.00 44 121 14694 -48.1 -83.1 1 35.0 -49.1 197 22 411.7 411.7 306.7 411.7 0.00 45 119 14804 -48.1 -83.1 1 35.0 -49.1 201 27 413.7 413.7 307.0 413.7 0.00 46 115 15031 -45.7 -82.7 1 37.0 -47.0 208 27 422.2 422.2 308.0 422.2 0.00 47 109 15387 -47.1 -83.1 1 36.0 -48.3 220 18 426.1 426.1 308.4 426.1 0.00 48 100 15960 -45.7 -82.7 1 37.0 -47.1 180 25 439.4 439.4 309.8 439.4 0.00 49 85 17031 -48.7 -84.7 1 36.0 -50.0 253 12 454.3 454.3 311.3 454.3 0.00 50 70 18300 -49.7 -85.7 1 36.0 -51.0 205 10 478.1 478.1 313.3 478.1 0.00 51 63 18988 -50.5 -85.5 1 35.0 -51.8 193 12 490.9 490.9 314.3 490.9 0.00 52 50 20500 -49.3 -85.3 1 36.0 -51.1 175 10 527.3 527.3 316.8 527.3 0.01 53 45 21190 -48.5 -85.5 1 37.0 -50.7 170 14 545.4 545.4 317.8 545.4 0.01 54 30 23830 -52.5 -87.5 1 35.0 -54.5 60 4 601.5 601.5 320.7 601.6 0.01 55 26 24754 -53.5 -87.5 1 34.0 -55.6 68 10 623.8 623.8 321.6 623.9 0.01 56 20 26450 -51.7 -87.7 1 36.0 -54.7 105 16 677.9 677.9 323.7 678.0 0.01 57 13 29253 -50.3 -87.3 0 37.0 -54.9 75 13 771.7 771.7 326.5 771.8 0.01 TRP 273 9406 -56.1 -67.1 24 11.0 -56.2 130 32 314.6 314.6 287.0 314.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5362.00 m Freezing level: 837.47 mb = 1421.35 m = 4663.16 ft Wetbulb zero: 902.42 mb = 813.65 m = 2669.43 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 61.34 % Est. max temperature: 11.39 C = 52.50 F Sfc-Lift cond lev (LCL): 799.07 mb = 1786.62 m = 5861.56 ft T: -3.08 C 700-500 lapse rate: 6.06 C/km ThetaE index: 1.96 C Layer 865.0- 741.0 mb Conv cond level (CCL): 725.79 mb = 2542.84 m = 8342.56 ft Mean mixing ratio: 2.58 g/kg Conv temperature: 12.64 C = 54.75 F Cap Strength: 6.99 C Lifted Index: 7.06 C Risk: None Lifted Index @300 mb: 12.22 C Lifted Index @700 mb: 1.93 C Showalter Index: 8.24 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 27.70 C Cross Totals Index: 12.70 C K Index: 9.50 Risk: None Sweat Index: 34.00 Risk: None Energy Index: 1.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.14 J/kg Max Up Vert Vel: 3.78 m/s Conv Inhibition (B-): 65971.70 J/kg Cap Strength: 7.00 C Lift Cond Lev (LCL): 763.57 mb = 2145.73 m = 7039.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 138 at 8 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 ---------------------------------------------------------- 0 961 306 75 6 -5.8 -1.6 | 1 8 -0.2 -7.8 1 925 610 85 18 -17.9 -1.6 | 58 15 -12.3 -7.8 2 925 613 85 18 -17.9 -1.6 | 58 15 -12.3 -7.8 3 891 914 100 18 -17.7 3.1 | 76 13 -12.1 -3.1 4 858 1219 115 18 -16.3 7.6 | 97 11 -10.7 1.4 5 850 1298 120 16 -13.9 8.0 | 102 8 -8.3 1.7 6 794 1829 125 14 -11.5 8.0 | 107 6 -5.9 1.8 7 764 2134 110 14 -13.2 4.8 | 79 8 -7.6 -1.5 8 735 2438 105 14 -13.5 3.6 | 72 8 -7.9 -2.6 9 707 2743 100 16 -15.8 2.8 | 71 11 -10.2 -3.5 10 700 2822 115 15 -13.6 6.3 | 91 8 -8.0 0.1 11 679 3048 125 14 -11.5 8.0 | 107 6 -5.9 1.8 12 652 3353 105 14 -13.5 3.6 | 72 8 -7.9 -2.6 13 626 3658 100 8 -7.9 1.4 | 25 5 -2.3 -4.9 14 577 4267 50 9 -6.9 -5.8 | 6 12 -1.3 -12.0 15 531 4877 215 5 2.9 4.1 | 284 9 8.5 -2.2 16 500 5330 115 2 -1.8 0.8 | 325 7 3.8 -5.4 17 489 5486 0 0 -0.0 -0.0 | 318 8 5.6 -6.3 18 468 5791 120 14 -12.1 7.0 | 97 7 -6.5 0.7 19 448 6096 130 9 -6.9 5.8 | 70 1 -1.3 -0.5 20 400 6900 130 13 -10.0 8.4 | 116 5 -4.4 2.1 21 393 7010 140 13 -8.4 10.0 | 143 5 -2.8 3.7 22 376 7315 155 12 -5.1 10.9 | 186 5 0.5 4.6 23 359 7620 160 11 -3.8 10.3 | 204 4 1.8 4.1 24 343 7925 150 10 -5.0 8.7 | 194 2 0.6 2.4 25 312 8534 135 30 -21.2 21.2 | 134 22 -15.6 15.0 26 300 8800 130 27 -20.7 17.4 | 126 19 -15.1 11.1 27 284 9144 130 22 -16.9 14.1 | 125 14 -11.3 7.9 28 273 9406 130 32 -24.5 20.6 | 127 24 -18.9 14.3 29 271 9449 130 30 -23.0 19.3 | 127 22 -17.4 13.0 30 259 9754 130 32 -24.5 20.6 | 127 24 -18.9 14.3 31 250 9970 135 20 -14.1 14.1 | 133 12 -8.5 7.9 32 247 10058 145 25 -14.3 20.5 | 148 17 -8.7 14.2 33 235 10363 145 19 -10.9 15.6 | 150 11 -5.3 9.3 34 225 10668 145 22 -12.6 18.0 | 149 14 -7.0 11.8 35 214 10973 145 19 -10.9 15.6 | 150 11 -5.3 9.3 36 204 11278 160 23 -7.9 21.6 | 172 16 -2.3 15.4 37 200 11420 180 22 0.0 22.0 | 200 17 5.6 15.7 38 195 11582 190 22 3.8 21.7 | 211 18 9.4 15.4 39 178 12192 205 31 13.1 28.1 | 221 29 18.7 21.8 40 169 12497 215 25 14.3 20.5 | 234 24 19.9 14.2 41 154 13106 190 20 3.5 19.7 | 214 16 9.1 13.4 42 150 13290 190 33 5.7 32.5 | 203 29 11.3 26.2 43 147 13411 190 33 5.7 32.5 | 203 29 11.3 26.2 44 128 14326 225 15 10.6 10.6 | 255 17 16.2 4.4 45 122 14630 195 19 4.9 18.4 | 221 16 10.5 12.1 46 117 14935 205 33 13.9 29.9 | 220 31 19.5 23.7 47 112 15240 215 15 8.6 12.3 | 247 15 14.2 6.0 48 107 15545 225 21 14.8 14.8 | 247 22 20.4 8.6 49 102 15850 165 17 -4.4 16.4 | 187 10 1.2 10.2 50 100 15960 180 25 0.0 25.0 | 197 20 5.6 18.7 51 97 16154 180 25 0.0 25.0 | 197 20 5.6 18.7 52 93 16459 185 32 2.8 31.9 | 198 27 8.4 25.6 53 88 16764 210 24 12.0 20.8 | 230 23 17.6 14.5 54 84 17069 260 10 9.8 1.7 | 286 16 15.4 -4.5 55 81 17374 145 10 -5.7 8.2 | 176 2 -0.1 1.9 56 77 17678 185 13 1.1 13.0 | 225 9 6.7 6.7 57 73 17983 160 17 -5.8 16.0 | 179 10 -0.2 9.7 58 70 18288 195 11 2.8 10.6 | 243 10 8.4 4.4 59 70 18300 205 10 4.2 9.1 | 254 10 9.8 2.8 60 67 18593 215 10 5.7 8.2 | 260 11 11.3 1.9 61 64 18898 190 13 2.3 12.8 | 230 10 7.9 6.5 62 61 19202 200 10 3.4 9.4 | 251 10 9.0 3.1 63 51 20422 155 10 -4.2 9.1 | 206 3 1.4 2.8 64 50 20500 175 10 -0.9 10.0 | 232 6 4.7 3.7 65 46 21031 175 12 -1.0 12.0 | 219 7 4.6 5.7 66 44 21336 165 15 -3.9 14.5 | 192 8 1.7 8.2 67 40 21946 120 10 -8.7 5.0 | 68 3 -3.1 -1.3 68 38 22250 165 17 -4.4 16.4 | 187 10 1.2 10.2 69 36 22555 225 12 8.5 8.5 | 261 14 14.1 2.2 70 35 22860 235 10 8.2 5.7 | 272 14 13.8 -0.5 71 30 23774 110 1 -0.9 0.3 | 322 8 4.7 -5.9 72 30 23830 60 4 -3.5 -2.0 | 346 9 2.1 -8.3 73 26 24689 65 10 -9.1 -4.2 | 18 11 -3.5 -10.5 74 22 25908 120 10 -8.7 5.0 | 68 3 -3.1 -1.3 75 20 26450 105 16 -15.5 4.1 | 78 10 -9.9 -2.1 76 18 26822 100 11 -10.8 1.9 | 50 7 -5.2 -4.3 77 16 27127 110 13 -12.2 4.4 | 75 7 -6.6 -1.8 78 15 27432 75 14 -13.5 -3.6 | 39 13 -7.9 -9.9 79 10 28651 75 12 -11.6 -3.1 | 33 11 -6.0 -9.4 80 9 28956 65 12 -10.9 -5.1 | 25 12 -5.3 -11.3 81 8 29261 95 12 -12.0 1.0 | 51 8 -6.4 -5.2 82 7 29566 105 11 -10.6 2.8 | 56 6 -5.0 -3.4 Wind Parameters Mean winds (0-6000m): 108.2 at 11.2 knts Storm direction: 138.2 at 8.4 knts Shear (0-3000m) pos: 2.2 neg: 0.9 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 74.6 deg Storm rel helicity (0-3000m) pos: 69.1 neg: -14.5 tot: 54.6 m^2/s^2 ave: 18.2 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.61 Bulk Shear: 4.44 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 86 14 50 11| 12.9 0.0 12.9| 36.9 0.0 36.9 73.9 0.84| 15.6 13.1 1000 98 16 68 11| 6.4 0.0 6.4| 57.5 0.0 57.5 57.5 0.81| 12.4 10.0 1500 106 16 78 10| 3.8 0.0 3.8| 58.6 0.0 58.6 39.1 0.76| 9.0 6.9 2000 108 15 80 9| 2.9 1.1 4.0| 58.6 -7.2 51.5 25.7 0.53| 7.9 4.1 2500 107 15 79 9| 2.7 0.9 3.5| 64.7 -8.3 56.4 22.5 0.50| 7.5 3.7 3000 109 15 81 9| 2.2 0.9 3.1| 69.1 -14.5 54.6 18.2 0.39| 7.4 2.9 4000 105 14 70 8| 1.7 1.9 3.5| 70.4 -30.9 39.5 9.9 0.16| 7.3 1.2 5000 106 12 63 7| 2.1 1.9 4.0| 82.8 -33.4 49.4 9.9 0.13| 8.4 1.1 6000 108 11 61 6| 2.3 1.6 3.8|121.8 -35.0 86.8 14.5 0.27| 9.5 2.6 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250416.00.gif