UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 27 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 156 SFC 982 306 7.4 -5.6 39 13.0 2.2 265 5 282.0 282.5 276.3 289.3 2.56 2 925 794 2.8 -8.2 44 11.0 -1.2 270 11 282.2 282.6 275.9 288.6 2.22 3 885 1150 0.0 -10.0 47 10.0 -3.4 269 12 282.9 283.2 276.0 288.7 2.02 4 875 1241 0.8 -16.2 27 17.0 -4.3 270 12 284.6 284.8 275.8 288.3 1.23 5 850 1473 -0.7 -12.7 40 12.0 -4.6 275 15 285.4 285.7 276.9 290.4 1.69 6 840 1568 -0.7 -9.7 51 9.0 -3.8 299 10 286.4 286.8 278.0 292.8 2.18 7 792 2036 -2.9 -10.9 54 8.0 -5.6 292 12 288.9 289.3 279.1 295.1 2.10 8 770 2258 -3.9 -14.9 42 11.0 -7.2 280 12 290.1 290.4 279.0 294.9 1.56 9 750 2466 -4.9 -14.9 45 10.0 -7.9 266 11 291.3 291.5 279.6 296.1 1.60 10 700 3004 -9.1 -17.1 52 8.0 -11.3 290 19 292.4 292.7 279.9 296.8 1.43 11 619 3941 -16.5 -21.1 68 4.6 -17.6 299 23 294.4 294.6 280.4 298.0 1.15 12 611 4039 -16.7 -24.7 50 8.0 -18.3 299 24 295.3 295.4 280.4 297.9 0.84 13 593 4262 -18.3 -25.3 54 7.0 -19.7 295 25 295.9 296.1 280.7 298.6 0.82 14 583 4389 -19.1 -21.3 83 2.2 -19.6 294 25 296.4 296.7 281.4 300.2 1.20 15 559 4701 -20.7 -31.7 37 11.0 -22.4 292 26 298.1 298.2 281.2 299.7 0.48 16 545 4887 -21.9 -31.9 40 10.0 -23.4 290 27 298.9 299.0 281.5 300.5 0.48 17 541 4942 -21.3 -37.3 22 16.0 -23.4 291 28 300.2 300.3 281.8 301.2 0.29 18 517 5275 -22.5 -42.5 14 20.0 -24.6 296 32 302.7 302.7 282.7 303.3 0.17 19 509 5390 -23.1 -32.1 44 9.0 -24.5 298 33 303.3 303.4 283.4 305.0 0.51 20 503 5476 -23.7 -31.7 48 8.0 -24.9 300 34 303.6 303.7 283.5 305.4 0.54 21 500 5520 -23.7 -31.7 48 8.0 -24.9 290 30 304.1 304.2 283.8 306.0 0.54 22 400 7110 -36.5 -45.5 39 9.0 -37.1 295 31 307.6 307.6 284.6 308.1 0.16 23 397 7162 -36.7 -47.7 31 11.0 -37.4 295 31 308.0 308.0 284.7 308.4 0.13 24 304 8954 -51.5 -59.5 38 8.0 -51.7 299 30 311.6 311.6 285.9 311.7 0.04 25 300 9040 -52.1 -59.1 43 7.0 -52.2 300 30 311.9 311.9 286.1 312.1 0.04 26 286 9348 -54.1 -60.1 48 6.0 -54.2 297 28 313.3 313.4 286.6 313.5 0.04 27 265 9833 -57.3 -64.3 41 7.0 -57.4 308 29 315.6 315.6 287.3 315.7 0.03 28 254 10100 -58.9 -64.9 46 6.0 -59.0 300 33 317.1 317.1 287.8 317.2 0.02 29 250 10200 -58.9 -63.9 52 5.0 -59.0 295 34 318.5 318.5 288.3 318.6 0.03 30 249 10225 -59.1 -63.8 54 4.7 -59.2 294 34 318.6 318.6 288.3 318.7 0.03 31 245 10326 -58.3 -68.3 27 10.0 -58.4 290 34 321.2 321.2 289.2 321.3 0.02 32 243 10377 -58.7 -72.7 15 14.0 -58.8 287 34 321.4 321.4 289.2 321.4 0.01 33 238 10507 -59.7 -73.7 15 14.0 -59.8 282 35 321.8 321.8 289.3 321.8 0.01 34 223 10913 -57.7 -75.7 8 18.0 -57.9 274 36 330.9 330.9 292.0 331.0 0.01 35 218 11056 -58.3 -73.3 13 15.0 -58.5 273 37 332.2 332.2 292.3 332.2 0.01 36 203 11505 -54.9 -80.9 3 26.0 -55.2 271 39 344.4 344.4 295.4 344.4 0.00 37 200 11600 -55.5 -80.5 3 25.0 -55.8 270 40 344.9 344.9 295.5 344.9 0.00 38 197 11697 -56.3 -80.3 3 24.0 -56.5 271 40 345.1 345.1 295.6 345.1 0.00 39 188 11995 -56.1 -81.1 3 25.0 -56.3 273 41 350.1 350.1 296.7 350.1 0.00 40 178 12346 -53.5 -82.5 2 29.0 -53.9 267 39 359.8 359.8 298.7 359.9 0.00 41 168 12718 -54.9 -82.9 2 28.0 -55.2 267 36 363.5 363.5 299.4 363.5 0.00 42 165 12834 -53.5 -83.5 1 30.0 -53.9 271 35 367.7 367.7 300.2 367.7 0.00 43 150 13450 -53.1 -83.1 1 30.0 -53.5 280 31 378.6 378.6 302.0 378.6 0.00 44 120 14883 -53.1 -83.1 1 30.0 -53.7 289 28 403.5 403.5 305.7 403.5 0.00 45 118 14991 -53.5 -83.5 1 30.0 -54.1 288 27 404.7 404.7 305.8 404.8 0.00 46 112 15328 -51.1 -83.1 1 32.0 -51.8 283 24 415.3 415.3 307.2 415.3 0.00 47 104 15807 -52.7 -83.7 1 31.0 -53.4 273 17 421.2 421.2 307.9 421.2 0.00 48 100 16060 -51.1 -83.1 1 32.0 -52.0 275 21 429.0 429.0 308.7 429.0 0.00 49 96 16326 -50.5 -83.5 1 33.0 -51.4 275 21 435.2 435.2 309.4 435.2 0.00 50 70 18380 -52.1 -84.1 1 32.0 -53.1 305 13 472.9 472.9 312.9 473.0 0.00 51 51 20423 -54.3 -86.3 1 32.0 -55.4 330 2 512.6 512.6 315.8 512.6 0.00 52 50 20550 -53.5 -85.5 1 32.0 -54.7 285 11 517.4 517.4 316.1 517.4 0.01 53 30 23850 -51.5 -85.5 1 34.0 -53.8 105 11 604.2 604.2 320.8 604.3 0.01 54 22 25862 -50.1 -85.1 1 35.0 -53.3 34 9 664.5 664.5 323.2 664.6 0.01 55 20 26480 -51.9 -85.9 1 34.0 -54.9 90 6 677.3 677.3 323.7 677.4 0.01 56 17 27533 -52.9 -85.9 1 33.0 -55.9 36 13 706.3 706.3 324.6 706.4 0.01 57 12 29818 -46.1 -84.1 1 38.0 -52.6 110 10 804.4 804.4 327.4 804.7 0.03 58 10 31030 -46.9 -83.9 1 37.0 -53.7 350 1 844.5 844.5 328.2 844.8 0.03 59 9.3 31510 -48.1 -85.1 1 37.0 -54.6 857.6 857.6 328.5 857.9 0.03 60 8.1 32431 -42.9 -82.9 0 40.0 -52.6 912.8 912.8 329.7 913.3 0.05 61 7.4 33039 -43.7 -83.7 0 40.0 -53.4 933.4 933.5 330.1 933.9 0.05 62 5.3 35325 -35.1 -78.1 0 43.0 -51.7 1065.4 1065.5 332.2 1067.6 0.17 63 5.0 35730 -36.1 -79.1 0 43.0 -52.4 1078.8 1078.9 332.3 1080.7 0.15 TRP 254 10100 -58.9 -64.9 46 6.0 -59.0 300 33 317.1 317.1 287.8 317.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 5364.00 m Freezing level: 861.67 mb = 1364.67 m = 4477.22 ft Wetbulb zero: 944.65 mb = 622.49 m = 2042.26 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 47.46 % Est. max temperature: 12.15 C = 53.87 F Sfc-Lift cond lev (LCL): 803.79 mb = 1918.03 m = 6292.68 ft T: -2.35 C 700-500 lapse rate: 5.80 C/km ThetaE index: 0.75 C Layer 925.0- 885.0 mb Conv cond level (CCL): 665.35 mb = 3390.74 m = 11124.33 ft Mean mixing ratio: 2.26 g/kg Conv temperature: 18.58 C = 65.45 F Cap Strength: 13.02 C Lifted Index: 13.43 C Risk: None Lifted Index @300 mb: 16.43 C Lifted Index @700 mb: 7.29 C Showalter Index: 12.20 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 11.00 C K Index: 2.30 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 3.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.54 J/kg Max Up Vert Vel: 2.66 m/s Conv Inhibition (B-): 73378.47 J/kg Cap Strength: 13.37 C Lift Cond Lev (LCL): 780.50 mb = 2151.29 m = 7057.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 15 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 ---------------------------------------------------------- 0 982 306 265 5 5.0 0.4 | 158 13 -4.8 12.1 1 946 610 270 11 11.0 -0.0 | 186 12 1.2 11.7 2 925 794 270 11 11.0 -0.0 | 186 12 1.2 11.7 3 911 914 265 12 12.0 1.0 | 190 13 2.2 12.7 4 877 1219 270 12 12.0 -0.0 | 191 12 2.2 11.7 5 850 1473 275 15 14.9 -1.3 | 206 12 5.2 10.4 6 845 1524 300 10 8.7 -5.0 | 170 7 -1.1 6.7 7 812 1829 295 13 11.8 -5.5 | 198 7 2.0 6.2 8 782 2134 290 12 11.3 -4.1 | 191 8 1.5 7.6 9 752 2438 265 11 11.0 1.0 | 185 13 1.2 12.7 10 724 2743 285 17 16.4 -4.4 | 222 10 6.6 7.3 11 700 3004 290 19 17.9 -6.5 | 237 10 8.1 5.2 12 641 3658 290 20 18.8 -6.8 | 242 10 9.0 4.9 13 616 3962 300 24 20.8 -12.0 | 272 11 11.0 -0.3 14 591 4267 295 25 22.7 -10.6 | 265 13 12.9 1.1 15 545 4877 290 27 25.4 -9.2 | 261 16 15.6 2.5 16 502 5486 300 34 29.4 -17.0 | 285 20 19.7 -5.3 17 500 5520 290 30 28.2 -10.3 | 266 18 18.4 1.4 18 461 6096 295 32 29.0 -13.5 | 275 19 19.2 -1.8 19 400 7110 295 31 28.1 -13.1 | 274 18 18.3 -1.4 20 371 7620 290 29 27.3 -9.9 | 264 18 17.5 1.8 21 354 7925 290 29 27.3 -9.9 | 264 18 17.5 1.8 22 300 9040 300 30 26.0 -15.0 | 282 17 16.2 -3.3 23 295 9144 300 31 26.8 -15.5 | 283 17 17.1 -3.8 24 281 9449 295 27 24.5 -11.4 | 269 15 14.7 0.3 25 268 9754 310 28 21.4 -18.0 | 298 13 11.7 -6.3 26 254 10100 300 33 28.6 -16.5 | 284 19 18.8 -4.8 27 250 10200 295 34 30.8 -14.4 | 277 21 21.0 -2.7 28 232 10668 275 35 34.9 -3.1 | 251 27 25.1 8.6 29 200 11600 270 40 40.0 -0.0 | 249 32 30.2 11.7 30 182 12192 275 41 40.8 -3.6 | 255 32 31.1 8.1 31 174 12497 260 37 36.4 6.4 | 236 32 26.7 18.1 32 158 13106 280 34 33.5 -5.9 | 256 24 23.7 5.8 33 150 13450 280 31 30.5 -5.4 | 253 22 20.7 6.3 34 144 13716 270 30 30.0 -0.0 | 240 23 20.2 11.7 35 137 14021 285 32 30.9 -8.3 | 261 21 21.1 3.4 36 131 14326 275 30 29.9 -2.6 | 246 22 20.1 9.1 37 119 14935 290 28 26.3 -9.6 | 263 17 16.5 2.1 38 114 15240 280 25 24.6 -4.3 | 244 17 14.8 7.4 39 108 15545 290 23 21.6 -7.9 | 252 12 11.8 3.8 40 103 15850 270 16 16.0 -0.0 | 208 13 6.2 11.7 41 100 16060 275 21 20.9 -1.8 | 228 15 11.1 9.9 42 94 16459 275 21 20.9 -1.8 | 228 15 11.1 9.9 43 90 16764 280 19 18.7 -3.3 | 227 12 8.9 8.4 44 78 17678 295 15 13.6 -6.3 | 215 7 3.8 5.4 45 74 17983 300 13 11.3 -6.5 | 196 5 1.5 5.2 46 71 18288 280 16 15.8 -2.8 | 214 11 6.0 8.9 47 70 18380 305 13 10.6 -7.5 | 192 4 0.9 4.2 48 68 18593 305 14 11.5 -8.0 | 205 4 1.7 3.7 49 65 18898 290 12 11.3 -4.1 | 191 8 1.5 7.6 50 62 19202 245 10 9.1 4.2 | 177 16 -0.7 15.9 51 59 19507 265 10 10.0 0.9 | 181 13 0.2 12.6 52 56 19812 275 14 13.9 -1.2 | 202 11 4.2 10.5 53 51 20422 330 2 1.0 -1.7 | 139 13 -8.8 10.0 54 50 20550 285 11 10.6 -2.8 | 185 9 0.8 8.8 55 49 20726 285 10 9.7 -2.6 | 179 9 -0.1 9.1 56 44 21336 335 12 5.1 -10.9 | 100 5 -4.7 0.8 57 40 21946 80 10 -9.8 -1.7 | 117 22 -19.6 10.0 58 38 22250 130 14 -10.7 9.0 | 135 29 -20.5 20.7 59 30 23850 105 11 -10.6 2.8 | 125 25 -20.4 14.5 60 29 24079 90 10 -10.0 0.0 | 121 23 -19.8 11.7 61 28 24384 135 15 -10.6 10.6 | 138 30 -20.4 22.3 62 26 24689 140 10 -6.4 7.7 | 140 25 -16.2 19.4 63 24 25298 325 10 5.7 -8.2 | 131 5 -4.0 3.5 64 23 25603 10 10 -1.7 -9.8 | 99 12 -11.5 1.8 65 20 26480 90 6 -6.0 0.0 | 127 20 -15.8 11.7 66 17 27432 30 9 -4.5 -7.8 | 105 15 -14.3 3.9 67 17 27737 45 19 -13.4 -13.4 | 86 23 -23.2 -1.7 68 16 28042 75 21 -20.3 -5.4 | 102 31 -30.1 6.3 69 15 28346 95 14 -13.9 1.2 | 119 27 -23.7 12.9 70 14 28651 75 10 -9.7 -2.6 | 115 21 -19.4 9.1 71 14 28956 100 10 -9.8 1.7 | 124 24 -19.6 13.4 72 12 29566 110 13 -12.2 4.4 | 126 27 -22.0 16.1 73 12 29870 110 10 -9.4 3.4 | 128 24 -19.2 15.1 74 11 30175 50 13 -10.0 -8.4 | 100 20 -19.7 3.3 75 10 31030 350 1 0.2 -1.0 | 138 14 -9.6 10.7 Wind Parameters Mean winds (0-6000m): 290.1 at 20.3 knts Storm direction: 320.1 at 15.2 knts Shear (0-3000m) pos: 3.0 neg: 0.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 80.9 deg Storm rel helicity (0-3000m) pos: 61.2 neg: -11.6 tot: 49.6 m^2/s^2 ave: 16.5 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 19.71 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 ------------------------------------------------------------------------------- 500 269 9 177 12| 6.3 0.0 6.3| 19.3 0.0 19.3 38.6 0.97| 6.4 6.1 1000 269 11 184 12| 4.2 0.0 4.2| 25.8 0.0 25.8 25.8 0.85| 4.8 4.1 1500 275 11 187 11| 3.0 0.0 3.0| 33.2 -7.9 25.3 16.9 0.40| 6.6 2.6 2000 279 11 189 10| 2.3 1.1 3.4| 33.3 -10.2 23.1 11.5 0.28| 6.1 1.7 2500 279 12 191 10| 3.2 0.9 4.0| 55.3 -11.6 43.7 17.5 0.42| 6.8 2.8 3000 281 13 199 10| 3.0 0.7 3.8| 61.2 -11.6 49.6 16.5 0.45| 6.1 2.8 4000 286 15 214 9| 2.6 0.5 3.2| 77.0 -15.6 61.4 15.3 0.47| 5.6 2.6 5000 288 18 230 9| 2.7 0.7 3.4|100.5 -18.7 81.9 16.4 0.47| 5.4 2.6 6000 290 20 243 10| 2.4 0.7 3.1|120.7 -44.8 75.9 12.7 0.38| 5.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250427.00.gif