UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 20 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 150 SFC 980 306 -3.5 -6.3 81 2.8 -4.4 325 8 271.2 271.6 269.8 277.9 2.43 2 926 754 -8.3 -8.3 100 0.0 -8.3 325 29 270.7 271.1 269.1 276.8 2.20 3 925 762 -8.3 -8.3 100 0.0 -8.3 325 29 270.8 271.2 269.2 276.9 2.21 4 863 1297 -11.1 -11.1 100 0.0 -11.1 349 29 273.3 273.6 270.3 278.6 1.89 5 850 1413 -10.5 -10.9 97 0.4 -10.6 355 33 275.1 275.5 271.5 280.6 1.95 6 849 1422 -10.5 -11.1 95 0.6 -10.7 355 33 275.2 275.6 271.5 280.7 1.93 7 809 1793 -11.5 -13.5 85 2.0 -12.1 355 34 278.0 278.3 272.8 282.8 1.67 8 778 2091 -13.7 -13.7 100 0.0 -13.7 359 29 278.8 279.1 273.2 283.7 1.70 9 725 2626 -15.5 -15.8 98 0.3 -15.6 360 27 282.5 282.7 275.1 287.0 1.54 10 700 2890 -17.1 -18.3 90 1.2 -17.4 360 28 283.5 283.8 275.3 287.4 1.29 11 593 4120 -22.7 -28.7 58 6.0 -23.6 360 38 290.8 290.9 278.0 292.7 0.60 12 536 4854 -27.7 -34.7 51 7.0 -28.5 360 38 293.4 293.4 278.9 294.6 0.38 13 500 5350 -31.3 -38.3 50 7.0 -31.9 355 33 294.9 294.9 279.4 295.8 0.28 14 435 6319 -39.7 -46.7 47 7.0 -40.1 358 36 296.2 296.2 279.8 296.7 0.13 15 427 6446 -40.3 -52.3 27 12.0 -40.8 357 36 297.0 297.0 280.1 297.3 0.07 16 415 6640 -41.7 -52.7 29 11.0 -42.1 356 35 297.6 297.7 280.4 297.9 0.07 17 410 6722 -41.1 -59.1 13 18.0 -41.6 355 36 299.5 299.5 281.1 299.6 0.03 18 400 6890 -41.7 -59.7 12 18.0 -42.2 360 44 300.8 300.8 281.7 300.9 0.03 19 313 8530 -47.2 -71.1 5 24.0 -47.6 355 70 315.0 315.0 287.1 315.1 0.01 20 300 8810 -48.1 -73.1 4 25.0 -48.5 360 69 317.6 317.6 287.9 317.6 0.01 21 297 8877 -48.3 -73.3 4 25.0 -48.7 360 67 318.2 318.2 288.2 318.2 0.01 22 250 10020 -47.1 -76.1 2 29.0 -47.6 340 51 336.0 336.0 293.3 336.1 0.00 23 247 10099 -46.5 -75.5 2 29.0 -47.1 339 51 338.1 338.1 293.9 338.1 0.01 24 200 11490 -47.1 -77.1 2 30.0 -47.8 340 34 358.2 358.2 298.4 358.2 0.01 25 185 12005 -48.1 -79.1 2 31.0 -48.7 323 29 364.6 364.6 299.6 364.7 0.00 26 180 12186 -46.9 -78.9 1 32.0 -47.7 320 31 369.5 369.5 300.5 369.5 0.00 27 169 12603 -48.5 -79.5 2 31.0 -49.2 313 36 373.5 373.5 301.2 373.6 0.00 28 165 12761 -47.1 -78.1 2 31.0 -47.9 311 38 378.4 378.4 302.0 378.5 0.01 29 150 13390 -48.7 -79.7 2 31.0 -49.4 315 35 386.2 386.2 303.2 386.2 0.00 30 134 14130 -49.5 -80.5 1 31.0 -50.3 315 29 397.4 397.4 304.9 397.4 0.00 31 100 16050 -48.5 -82.5 1 34.0 -49.6 280 26 434.0 434.0 309.3 434.0 0.00 32 88 16886 -51.7 -84.7 1 33.0 -52.6 270 19 443.8 443.8 310.3 443.8 0.00 33 82 17348 -48.7 -83.7 1 35.0 -50.0 271 28 459.0 459.0 311.7 459.0 0.00 34 76 17845 -51.3 -84.3 1 33.0 -52.4 289 31 463.6 463.6 312.1 463.6 0.00 35 70 18380 -51.7 -84.7 1 33.0 -52.8 255 14 473.8 473.8 313.0 473.8 0.00 36 51 20431 -50.3 -85.3 1 35.0 -52.0 276 15 522.0 522.0 316.4 522.0 0.01 37 50 20560 -51.1 -86.1 1 35.0 -52.7 290 9 523.1 523.1 316.5 523.1 0.00 38 30 23870 -53.9 -87.9 1 34.0 -55.7 110 2 597.7 597.7 320.5 597.7 0.01 39 20 26500 -50.1 -87.1 1 37.0 -53.6 40 16 682.8 682.8 323.9 682.9 0.01 40 14 28835 -49.9 -86.9 1 37.0 -54.4 91 21 756.8 756.8 326.1 756.9 0.01 41 10 31060 -45.5 -84.5 0 39.0 -53.0 80 17 849.7 849.7 328.4 850.0 0.03 42 7.1 33359 -42.5 -82.5 0 40.0 -53.0 949.5 949.5 330.4 950.2 0.06 43 5.3 35360 -36.5 -79.5 0 43.0 -52.2 1059.2 1059.3 332.1 1060.8 0.14 44 4.6 36341 -36.9 -78.9 0 42.0 -53.1 1101.1 1101.2 332.6 1103.3 0.17 45 4.4 36650 -34.1 -77.1 0 43.0 -52.4 1128.4 1128.6 333.1 1131.6 0.24 TRP 297 8877 -48.3 -73.3 4 25.0 -48.7 360 67 318.2 318.2 288.2 318.2 0.01 WND 313 8530 -47.2 -71.1 5 24.0 -47.6 355 70 315.0 315.0 287.1 315.1 0.01 Sounding variables and indices 1000-500 mb thick: 5200.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 79.30 % Est. max temperature: 1.79 C = 35.22 F Sfc-Lift cond lev (LCL): 937.62 mb = 655.09 m = 2149.20 ft T: -7.24 C 700-500 lapse rate: 5.77 C/km ThetaE index: 1.08 C Layer 926.0- 925.0 mb Conv cond level (CCL): 926.42 mb = 749.95 m = 2460.44 ft Mean mixing ratio: 2.21 g/kg Conv temperature: -3.97 C = 24.86 F Cap Strength: 13.88 C Lifted Index: 14.68 C Risk: None Lifted Index @300 mb: 28.46 C Lifted Index @700 mb: 7.55 C Showalter Index: 12.10 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 20.40 C K Index: 8.70 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 3.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.88 J/kg Max Up Vert Vel: 3.71 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 14.50 C Lift Cond Lev (LCL): 917.99 mb = 820.60 m = 2692.24 ft Lev Free Conv (LFC): 912.99 mb = 862.68 m = 2830.28 ft Equ Level (EL): 902.99 mb = 947.54 m = 3108.68 ft B at Equ Level: 6.72 J/kg Max Parcel Lev (MPL): 862.99 mb = 1296.62 m = 4253.95 ft Wind level data Storm motion: 26 at 24 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 ---------------------------------------------------------- 0 980 306 325 8 4.6 -6.6 | 225 21 15.1 15.0 1 943 610 325 26 14.9 -21.3 | 269 25 25.5 0.3 2 925 762 325 29 16.6 -23.8 | 275 27 27.2 -2.2 3 907 914 320 29 18.6 -22.2 | 271 29 29.2 -0.6 4 872 1219 345 26 6.7 -25.1 | 282 18 17.3 -3.5 5 850 1413 355 33 2.9 -32.9 | 310 18 13.4 -11.3 6 805 1829 355 34 3.0 -33.9 | 312 18 13.5 -12.3 7 773 2134 360 28 -0.0 -28.0 | 301 12 10.6 -6.4 8 743 2438 360 26 -0.0 -26.0 | 293 11 10.6 -4.4 9 714 2743 360 28 -0.0 -28.0 | 301 12 10.6 -6.4 10 700 2890 360 28 -0.0 -28.0 | 301 12 10.6 -6.4 11 685 3048 15 28 -7.2 -27.0 | 329 6 3.3 -5.5 12 630 3658 360 34 -0.0 -34.0 | 320 16 10.6 -12.4 13 580 4267 360 39 -0.0 -39.0 | 329 20 10.6 -17.4 14 533 4877 360 38 -0.0 -38.0 | 327 20 10.6 -16.4 15 500 5350 355 33 2.9 -32.9 | 310 18 13.4 -11.3 16 449 6096 360 37 -0.0 -37.0 | 326 19 10.6 -15.4 17 411 6706 355 35 3.1 -34.9 | 314 19 13.6 -13.3 18 400 6890 360 44 -0.0 -44.0 | 335 25 10.6 -22.4 19 375 7315 355 54 4.7 -53.8 | 335 36 15.3 -32.2 20 359 7620 355 54 4.7 -53.8 | 335 36 15.3 -32.2 21 313 8530 355 70 6.1 -69.7 | 341 51 16.7 -48.1 22 313 8534 355 70 6.1 -69.7 | 341 51 16.7 -48.1 23 300 8810 360 69 -0.0 -69.0 | 347 49 10.6 -47.4 24 297 8877 360 67 -0.0 -67.0 | 347 47 10.6 -45.4 25 285 9144 360 65 -0.0 -65.0 | 346 45 10.6 -43.4 26 250 10020 340 51 17.4 -47.9 | 313 38 28.0 -26.3 27 227 10668 335 48 20.3 -43.5 | 305 38 30.8 -21.9 28 200 11490 340 34 11.6 -31.9 | 295 24 22.2 -10.4 29 197 11582 345 36 9.3 -34.8 | 304 24 19.9 -13.2 30 188 11887 325 28 16.1 -22.9 | 273 27 26.6 -1.3 31 164 12802 310 38 29.1 -24.4 | 274 40 39.7 -2.8 32 150 13390 315 35 24.7 -24.7 | 275 35 35.3 -3.2 33 130 14326 315 28 19.8 -19.8 | 267 30 30.4 1.8 34 119 14935 305 25 20.5 -14.3 | 257 32 31.0 7.3 35 113 15240 315 24 17.0 -17.0 | 260 28 27.5 4.6 36 108 15545 290 16 15.0 -5.5 | 238 30 25.6 16.1 37 103 15850 270 19 19.0 -0.0 | 234 37 29.6 21.6 38 100 16050 280 26 25.6 -4.5 | 245 40 36.2 17.1 39 98 16154 280 26 25.6 -4.5 | 245 40 36.2 17.1 40 94 16459 290 22 20.7 -7.5 | 246 34 31.2 14.1 41 90 16764 260 17 16.7 3.0 | 228 37 27.3 24.5 42 86 17069 285 23 22.2 -6.0 | 244 36 32.8 15.6 43 82 17374 270 28 28.0 -0.0 | 241 44 38.6 21.6 44 74 17983 295 32 29.0 -13.5 | 258 40 39.6 8.1 45 71 18288 310 15 11.5 -9.6 | 242 25 22.0 11.9 46 70 18380 255 14 13.5 3.6 | 224 35 24.1 25.2 47 68 18593 260 14 13.8 2.4 | 225 34 24.3 24.0 48 65 18898 280 12 11.8 -2.1 | 229 30 22.4 19.5 49 62 19202 275 10 10.0 -0.9 | 225 29 20.5 20.7 50 59 19507 280 19 18.7 -3.3 | 238 35 29.3 18.3 51 56 19812 280 12 11.8 -2.1 | 229 30 22.4 19.5 52 54 20117 255 13 12.6 3.4 | 223 34 23.1 25.0 53 51 20422 275 15 14.9 -1.3 | 231 33 25.5 20.3 54 50 20560 290 9 8.5 -3.1 | 226 27 19.0 18.5 55 46 21031 290 11 10.3 -3.8 | 230 27 20.9 17.8 56 44 21336 360 5 -0.0 -5.0 | 212 20 10.6 16.6 57 37 22555 0 0 -0.0 -0.0 | 206 24 10.6 21.6 58 33 23165 50 10 -7.7 -6.4 | 191 15 2.9 15.2 59 32 23470 90 12 -12.0 0.0 | 176 22 -1.4 21.6 60 30 23870 110 2 -1.9 0.7 | 201 24 8.7 22.3 61 22 25908 35 10 -5.7 -8.2 | 200 14 4.8 13.4 62 21 26213 60 13 -11.3 -6.5 | 177 15 -0.7 15.1 63 20 26500 40 16 -10.3 -12.3 | 182 9 0.3 9.3 64 20 26518 65 15 -13.6 -6.3 | 169 16 -3.0 15.3 65 19 26822 30 10 -5.0 -8.7 | 203 14 5.6 12.9 66 18 27127 55 19 -15.6 -10.9 | 155 12 -5.0 10.7 67 17 27432 70 15 -14.1 -5.1 | 168 17 -3.5 16.5 68 17 27737 90 15 -15.0 0.0 | 168 22 -4.4 21.6 69 16 28042 80 17 -16.7 -3.0 | 162 20 -6.2 18.6 70 15 28346 70 15 -14.1 -5.1 | 168 17 -3.5 16.5 71 14 28651 75 25 -24.1 -6.5 | 138 20 -13.6 15.1 72 13 29261 125 13 -10.6 7.5 | 180 29 -0.1 29.0 73 13 29566 115 12 -10.9 5.1 | 179 27 -0.3 26.7 74 12 29870 65 11 -10.0 -4.6 | 182 17 0.6 16.9 75 11 30175 65 14 -12.7 -5.9 | 172 16 -2.1 15.7 76 10 31060 80 17 -16.7 -3.0 | 162 20 -6.2 18.6 Wind Parameters Mean winds (0-6000m): 356.0 at 32.0 knts Storm direction: 26.0 at 24.0 knts Shear (0-3000m) pos: 3.9 neg: 3.8 tot: 7.6 10-3/s Storm rel Dir Shear (0-3000m): 100.1 deg Storm rel helicity (0-3000m) pos: 198.8 neg: -25.1 tot: 173.7 m^2/s^2 ave: 57.9 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 5.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 41.34 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 ------------------------------------------------------------------------------- 500 325 21 260 23| 0.0 21.6 21.6|113.7 0.0 113.7 227.3 0.90| 21.9 19.7 1000 329 25 269 23| 6.7 10.8 17.5|158.1 -8.1 149.9 149.9 0.67| 19.9 13.4 1500 339 27 281 21| 6.1 7.2 13.3|183.5 -8.1 175.4 116.9 0.71| 15.3 10.8 2000 345 28 287 19| 4.5 5.4 9.9|183.5 -22.2 161.3 80.6 0.53| 13.4 7.2 2500 348 28 289 17| 3.6 4.5 8.1|188.5 -24.1 164.5 65.8 0.53| 11.2 5.9 3000 351 28 292 16| 3.9 3.8 7.6|198.8 -25.1 173.7 57.9 0.51| 11.1 5.6 4000 354 30 301 16| 2.9 4.1 7.0|211.5 -28.8 182.6 45.7 0.45| 9.7 4.4 5000 356 31 307 16| 2.3 3.0 5.3|211.5 -56.1 155.4 31.1 0.35| 8.4 3.0 6000 356 32 309 16| 2.1 2.5 4.6|232.9 -62.9 170.0 28.3 0.36| 7.5 2.7 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250420.12.gif