UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 26 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 196 SFC 986 306 -4.3 -8.6 72 4.3 -5.6 0 0 269.9 270.3 268.3 275.5 2.02 2 984 322 -4.9 -8.6 75 3.7 -6.0 357 0 269.5 269.8 268.0 275.0 2.02 3 975 395 0.0 -9.0 51 9.0 -3.0 345 1 275.1 275.5 271.5 280.7 1.98 4 947 630 1.8 -6.2 55 8.0 -1.2 309 3 279.3 279.7 274.8 286.4 2.53 5 925 820 0.4 -6.6 59 7.0 -2.1 300 6 279.7 280.1 275.0 286.8 2.52 6 861 1390 -4.3 -9.0 70 4.7 -5.8 291 7 280.6 281.0 275.1 287.0 2.24 7 850 1491 -4.7 -11.7 58 7.0 -6.8 295 7 281.2 281.5 274.8 286.5 1.83 8 836 1621 -5.5 -13.5 53 8.0 -7.8 289 9 281.7 282.0 274.8 286.4 1.61 9 832 1659 -5.5 -10.5 68 5.0 -7.1 288 9 282.1 282.5 275.6 288.1 2.06 10 824 1735 -5.3 -16.3 42 11.0 -8.3 284 10 283.1 283.3 275.0 286.9 1.30 11 808 1889 -6.3 -18.3 38 12.0 -9.4 282 11 283.6 283.8 275.1 287.0 1.12 12 800 1966 -6.5 -13.5 58 7.0 -8.6 284 11 284.2 284.5 276.2 289.2 1.68 13 772 2244 -7.5 -22.5 29 15.0 -10.9 292 11 286.1 286.2 275.9 288.6 0.81 14 757 2397 -8.7 -20.7 37 12.0 -11.6 294 10 286.4 286.5 276.3 289.3 0.97 15 752 2448 -9.1 -30.1 16 21.0 -12.9 295 10 286.5 286.5 275.5 287.8 0.42 16 746 2510 -9.5 -35.5 10 26.0 -13.6 295 10 286.7 286.7 275.3 287.5 0.25 17 728 2698 -10.7 -24.7 31 14.0 -13.6 295 11 287.4 287.5 276.5 289.6 0.71 18 721 2773 -10.7 -41.7 6 31.0 -14.8 296 11 288.2 288.2 276.0 288.6 0.14 19 712 2869 -11.5 -39.5 8 28.0 -15.3 297 13 288.3 288.4 276.1 288.9 0.17 20 707 2923 -12.1 -25.1 33 13.0 -14.7 298 14 288.3 288.4 276.9 290.5 0.70 21 700 2999 -12.7 -25.7 33 13.0 -15.3 300 15 288.4 288.5 276.9 290.5 0.67 22 681 3208 -14.3 -28.3 29 14.0 -16.8 297 16 288.9 289.0 277.0 290.6 0.54 23 672 3309 -15.1 -39.1 11 24.0 -18.1 296 16 289.1 289.2 276.5 289.8 0.19 24 648 3583 -17.1 -27.1 42 10.0 -18.8 288 17 289.9 290.0 277.6 291.9 0.64 25 636 3724 -17.5 -34.5 21 17.0 -19.9 283 17 291.0 291.0 277.7 292.0 0.32 26 633 3759 -17.9 -25.9 50 8.0 -19.4 282 17 290.9 291.0 278.2 293.2 0.73 27 598 4182 -20.5 -43.5 11 23.0 -22.8 285 19 292.7 292.7 278.2 293.1 0.14 28 583 4370 -21.9 -32.9 36 11.0 -23.4 297 21 293.2 293.2 278.9 294.5 0.41 29 569 4549 -22.7 -44.7 12 22.0 -24.7 312 22 294.3 294.3 279.0 294.7 0.13 30 565 4601 -22.3 -49.3 7 27.0 -24.5 315 22 295.3 295.4 279.4 295.6 0.08 31 528 5096 -24.9 -45.9 12 21.0 -26.7 317 25 298.0 298.0 280.6 298.4 0.12 32 500 5490 -28.1 -41.1 28 13.0 -29.3 310 26 298.8 298.8 281.1 299.5 0.21 33 455 6159 -33.7 -44.7 32 11.0 -34.5 315 24 299.9 300.0 281.5 300.5 0.16 34 400 7050 -40.1 -52.1 27 12.0 -40.6 310 29 302.9 302.9 282.7 303.2 0.08 35 391 7205 -40.7 -53.7 23 13.0 -41.2 310 28 304.1 304.1 283.1 304.3 0.07 36 313 8677 -52.1 -62.1 29 10.0 -52.3 328 28 308.2 308.2 284.7 308.3 0.03 37 300 8950 -53.1 -62.1 33 9.0 -53.2 300 22 310.5 310.5 285.5 310.6 0.03 38 295 9059 -53.9 -61.9 37 8.0 -54.1 297 23 310.9 310.9 285.7 311.0 0.03 39 279 9417 -56.1 -68.1 21 12.0 -56.2 275 41 312.7 312.7 286.3 312.7 0.01 40 269 9650 -56.3 -69.3 18 13.0 -56.5 277 43 315.7 315.7 287.3 315.7 0.01 41 254 10018 -53.9 -74.9 6 21.0 -54.1 268 49 324.5 324.5 290.1 324.5 0.01 42 250 10120 -54.7 -75.7 6 21.0 -54.9 265 49 324.7 324.7 290.2 324.8 0.01 43 247 10197 -55.1 -76.1 6 21.0 -55.3 265 49 325.3 325.3 290.3 325.3 0.00 44 227 10737 -53.7 -78.7 3 25.0 -54.0 264 48 335.4 335.4 293.2 335.4 0.00 45 222 10880 -54.3 -79.3 3 25.0 -54.6 262 49 336.6 336.6 293.4 336.6 0.00 46 200 11550 -52.9 -81.9 2 29.0 -53.2 270 42 349.0 349.0 296.4 349.0 0.00 47 197 11647 -52.3 -81.3 2 29.0 -52.7 273 42 351.5 351.5 297.0 351.5 0.00 48 154 13231 -53.7 -83.7 1 30.0 -54.1 280 39 374.7 374.7 301.4 374.7 0.00 49 150 13400 -51.9 -83.9 1 32.0 -52.4 280 38 380.6 380.6 302.3 380.7 0.00 50 146 13576 -51.5 -83.5 1 32.0 -52.1 279 36 384.3 384.3 302.9 384.3 0.00 51 138 13941 -52.9 -83.9 1 31.0 -53.4 276 31 388.1 388.1 303.5 388.1 0.00 52 100 16030 -51.1 -84.1 1 33.0 -52.0 290 23 429.0 429.0 308.7 429.0 0.00 53 94 16432 -50.3 -84.3 1 34.0 -51.2 283 20 438.2 438.2 309.7 438.2 0.00 54 70 18340 -52.7 -85.7 1 33.0 -53.7 285 10 471.6 471.6 312.8 471.7 0.00 55 67 18623 -53.7 -85.7 1 32.0 -54.6 286 11 475.4 475.4 313.1 475.4 0.00 56 50 20520 -51.7 -85.7 1 34.0 -53.1 230 3 521.6 521.6 316.4 521.7 0.01 57 41 21799 -53.3 -86.3 1 33.0 -54.8 228 12 548.1 548.1 318.0 548.1 0.01 58 38 22290 -50.7 -85.7 1 35.0 -52.7 211 10 566.8 566.8 319.0 566.8 0.01 59 30 23820 -52.7 -86.7 1 34.0 -54.7 85 8 601.0 601.0 320.6 601.0 0.01 60 28 24265 -53.9 -86.9 1 33.0 -55.8 132 11 609.6 609.6 321.0 609.7 0.01 61 20 26440 -51.3 -86.3 1 35.0 -54.4 60 16 679.1 679.2 323.7 679.2 0.01 62 18 27131 -49.5 -85.5 1 36.0 -53.4 90 19 705.6 705.6 324.6 705.7 0.01 63 15 28324 -51.7 -86.7 1 35.0 -55.4 115 13 736.1 736.1 325.6 736.2 0.01 64 10 30980 -48.7 -85.7 1 37.0 -54.8 80 17 837.8 837.8 328.1 838.0 0.03 65 6.2 34182 -40.3 -81.3 0 41.0 -52.8 996.4 996.5 331.1 997.4 0.09 TRP 279 9417 -56.1 -68.1 21 12.0 -56.2 275 41 312.7 312.7 286.3 312.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5294.00 m Freezing level: Surface below freezing Freezing level: 975.00 mb = 395.27 m = 1296.80 ft Freezing level: 919.55 mb = 868.49 m = 2849.35 ft Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 34.32 % Est. max temperature: 7.44 C = 45.38 F Sfc-Lift cond lev (LCL): 921.21 mb = 852.60 m = 2797.22 ft T: 0.13 C 700-500 lapse rate: 6.18 C/km ThetaE index: 1.82 C Layer 752.0- 728.0 mb Conv cond level (CCL): 731.94 mb = 2656.63 m = 8715.86 ft Mean mixing ratio: 2.36 g/kg Conv temperature: 12.94 C = 55.29 F Cap Strength: 11.73 C Lifted Index: 11.99 C Risk: None Lifted Index @300 mb: 18.13 C Lifted Index @700 mb: 6.38 C Showalter Index: 10.76 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 16.40 C K Index: -1.30 Risk: None Sweat Index: 40.00 Risk: None Energy Index: 2.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.61 J/kg Max Up Vert Vel: 7.69 m/s Conv Inhibition (B-): 88689.96 J/kg Cap Strength: 11.93 C Lift Cond Lev (LCL): 836.30 mb = 1618.69 m = 5310.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 332 at 12 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 ---------------------------------------------------------- 0 986 306 0 0 -0.0 -0.0 | 152 12 -5.5 10.5 1 949 610 310 3 2.3 -1.9 | 160 9 -3.2 8.6 2 925 820 300 6 5.2 -3.0 | 178 7 -0.3 7.5 3 914 914 300 6 5.2 -3.0 | 178 7 -0.3 7.5 4 880 1219 285 6 5.8 -1.6 | 182 9 0.3 8.9 5 850 1491 295 7 6.3 -3.0 | 187 8 0.9 7.5 6 814 1829 280 11 10.8 -1.9 | 212 10 5.4 8.6 7 783 2134 290 11 10.3 -3.8 | 216 8 4.9 6.7 8 752 2438 295 10 9.1 -4.2 | 210 7 3.6 6.3 9 723 2743 295 11 10.0 -4.6 | 218 7 4.5 5.8 10 700 2999 300 15 13.0 -7.5 | 248 8 7.5 3.0 11 667 3353 295 16 14.5 -6.8 | 248 10 9.0 3.7 12 640 3658 285 17 16.4 -4.4 | 241 13 11.0 6.1 13 615 3962 275 18 17.9 -1.6 | 234 15 12.5 8.9 14 590 4267 290 20 18.8 -6.8 | 255 14 13.3 3.6 15 566 4572 315 22 15.6 -15.6 | 297 11 10.1 -5.1 16 543 4877 320 25 16.1 -19.2 | 309 14 10.6 -8.7 17 500 5490 310 26 19.9 -16.7 | 293 16 14.5 -6.2 18 458 6096 315 24 17.0 -17.0 | 299 13 11.5 -6.5 19 402 7010 310 30 23.0 -19.3 | 297 20 17.5 -8.8 20 400 7050 310 29 22.2 -18.6 | 296 19 16.8 -8.2 21 367 7620 310 24 18.4 -15.4 | 291 14 12.9 -4.9 22 319 8534 330 29 14.5 -25.1 | 328 17 9.0 -14.6 23 305 8839 325 27 15.5 -22.1 | 319 15 10.0 -11.6 24 300 8950 300 22 19.1 -11.0 | 272 14 13.6 -0.5 25 291 9144 295 23 20.8 -9.7 | 267 15 15.4 0.8 26 279 9417 275 41 40.8 -3.6 | 259 36 35.4 6.9 27 278 9449 280 28 27.6 -4.9 | 256 23 22.1 5.6 28 265 9754 275 50 49.8 -4.4 | 262 45 44.4 6.1 29 250 10120 265 49 48.8 4.3 | 251 46 43.4 14.8 30 230 10668 265 47 46.8 4.1 | 251 44 41.4 14.6 31 219 10973 260 50 49.2 8.7 | 246 48 43.8 19.2 32 200 11550 270 42 42.0 -0.0 | 254 38 36.5 10.5 33 199 11582 275 41 40.8 -3.6 | 259 36 35.4 6.9 34 190 11887 265 45 44.8 3.9 | 250 42 39.4 14.4 35 165 12802 280 40 39.4 -6.9 | 264 34 33.9 3.5 36 150 13400 280 38 37.4 -6.6 | 263 32 32.0 3.9 37 136 14021 275 30 29.9 -2.6 | 252 26 24.4 7.9 38 130 14326 295 32 29.0 -13.5 | 277 24 23.5 -3.0 39 118 14935 280 32 31.5 -5.6 | 259 27 26.1 4.9 40 113 15240 275 25 24.9 -2.2 | 247 21 19.4 8.3 41 108 15545 260 22 21.7 3.8 | 229 22 16.2 14.3 42 103 15850 285 21 20.3 -5.4 | 251 16 14.8 5.0 43 100 16030 290 23 21.6 -7.9 | 261 16 16.2 2.6 44 98 16154 290 23 21.6 -7.9 | 261 16 16.2 2.6 45 89 16764 275 17 16.9 -1.5 | 232 15 11.5 9.0 46 81 17374 320 18 11.6 -13.8 | 298 7 6.1 -3.3 47 78 17678 290 21 19.7 -7.2 | 257 15 14.3 3.3 48 74 17983 330 12 6.0 -10.4 | 261 1 0.5 0.1 49 71 18288 295 5 4.5 -2.1 | 174 8 -0.9 8.4 50 70 18340 285 10 9.7 -2.6 | 208 9 4.2 7.9 51 67 18593 285 10 9.7 -2.6 | 208 9 4.2 7.9 52 64 18898 295 16 14.5 -6.8 | 248 10 9.0 3.7 53 58 19507 290 10 9.4 -3.4 | 209 8 3.9 7.1 54 56 19812 310 10 7.7 -6.4 | 209 5 2.2 4.1 55 53 20117 360 2 -0.0 -2.0 | 147 10 -5.5 8.5 56 50 20520 230 3 2.3 1.9 | 166 13 -3.2 12.4 57 44 21336 350 6 1.0 -5.9 | 136 6 -4.4 4.6 58 40 21946 190 14 2.4 13.8 | 173 24 -3.0 24.3 59 38 22250 215 10 5.7 8.2 | 181 19 0.3 18.7 60 30 23820 85 8 -8.0 -0.7 | 126 17 -13.4 9.8 61 27 24384 145 12 -6.9 9.8 | 149 24 -12.3 20.3 62 26 24689 150 10 -5.0 8.7 | 151 22 -10.5 19.1 63 24 25298 110 2 -1.9 0.7 | 147 13 -7.3 11.2 64 23 25603 45 10 -7.1 -7.1 | 105 13 -12.5 3.4 65 21 26213 55 10 -8.2 -5.7 | 109 14 -13.6 4.7 66 20 26440 60 16 -13.9 -8.0 | 97 19 -19.3 2.5 67 20 26518 40 10 -6.4 -7.7 | 103 12 -11.9 2.8 68 18 27127 90 19 -19.0 0.0 | 113 27 -24.5 10.5 69 17 27432 95 18 -17.9 1.6 | 117 26 -23.4 12.0 70 16 27737 110 25 -23.5 8.6 | 123 35 -28.9 19.0 71 15 28346 115 13 -11.8 5.5 | 133 24 -17.2 16.0 72 14 28956 155 18 -7.6 16.3 | 154 30 -13.1 26.8 73 12 29566 145 6 -3.4 4.9 | 150 18 -8.9 15.4 74 11 30175 80 18 -17.7 -3.1 | 108 24 -23.2 7.4 75 10 30980 80 17 -16.7 -3.0 | 109 23 -22.2 7.5 Wind Parameters Mean winds (0-6000m): 302.5 at 15.8 knts Storm direction: 332.5 at 11.8 knts Shear (0-3000m) pos: 0.6 neg: 2.5 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 95.3 deg Storm rel helicity (0-3000m) pos: 31.4 neg: -2.2 tot: 29.2 m^2/s^2 ave: 9.7 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.30 Bulk Shear: 22.78 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 ------------------------------------------------------------------------------- 500 306 3 160 10| 0.0 6.0 6.0| 8.7 -0.6 8.1 16.2 0.58| 6.4 3.7 1000 297 4 169 9| 0.0 3.3 3.3| 10.9 -0.6 10.3 10.3 0.55| 4.3 2.4 1500 293 6 178 8| 0.0 3.7 3.7| 19.6 -0.6 19.1 12.7 0.63| 4.7 2.9 2000 290 7 187 8| 0.6 2.8 3.3| 21.5 -1.4 20.1 10.1 0.55| 4.2 2.3 2500 292 8 192 8| 0.7 2.2 2.9| 25.2 -2.0 23.2 9.3 0.57| 3.8 2.2 3000 293 9 201 7| 0.6 2.5 3.1| 31.4 -2.2 29.2 9.7 0.59| 4.0 2.3 4000 290 11 217 8| 1.1 2.2 3.3| 53.6 -10.7 42.9 10.7 0.48| 4.5 2.2 5000 298 14 239 8| 1.9 2.0 3.9| 87.5 -20.8 66.7 13.3 0.49| 5.1 2.5 6000 302 16 256 8| 1.6 1.7 3.3| 93.2 -26.0 67.2 11.2 0.45| 4.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250426.12.gif