UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 23 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 147 SFC 980 306 1.4 0.9 96 0.5 1.2 5 2 276.1 276.8 275.3 287.5 4.16 2 925 772 -1.9 -1.9 100 0.0 -1.9 20 13 277.4 278.0 275.2 287.3 3.59 3 859 1356 -5.7 -5.7 100 0.0 -5.7 62 16 279.3 279.8 275.3 287.5 2.91 4 850 1439 -5.7 -6.2 96 0.5 -5.9 75 14 280.2 280.7 275.7 288.1 2.83 5 803 1884 -6.9 -8.6 88 1.7 -7.5 355 9 283.5 283.9 277.0 290.6 2.48 6 789 2022 -7.5 -8.5 93 1.0 -7.8 9 10 284.3 284.7 277.4 291.6 2.55 7 780 2111 -7.1 -8.5 90 1.4 -7.6 17 11 285.6 286.1 278.2 293.1 2.58 8 704 2902 -12.9 -13.0 99 0.1 -12.9 10 21 287.7 288.1 278.4 293.6 1.99 9 701 2935 -10.7 -13.2 82 2.5 -11.5 10 22 290.5 290.9 279.7 296.4 1.97 10 700 2946 -10.5 -13.2 81 2.7 -11.3 10 22 290.9 291.2 279.9 296.8 1.97 11 668 3306 -10.1 -15.1 67 5.0 -11.6 11 20 295.2 295.5 281.6 300.7 1.77 12 625 3815 -13.1 -19.1 61 6.0 -14.6 23 16 297.5 297.7 282.0 301.7 1.35 13 592 4225 -16.3 -18.9 80 2.6 -17.0 350 14 298.4 298.7 282.5 303.0 1.45 14 560 4642 -17.5 -26.5 45 9.0 -19.3 358 25 301.8 301.9 283.1 304.3 0.78 15 511 5320 -22.1 -27.1 64 5.0 -23.0 345 20 304.2 304.3 284.1 306.9 0.81 16 500 5480 -23.1 -31.1 48 8.0 -24.4 350 21 304.9 305.0 284.1 306.8 0.57 17 495 5554 -23.5 -31.5 48 8.0 -24.7 348 20 305.3 305.4 284.2 307.1 0.55 18 486 5688 -24.7 -30.7 57 6.0 -25.6 344 18 305.4 305.5 284.4 307.4 0.61 19 434 6504 -30.1 -34.4 66 4.3 -30.6 297 12 308.6 308.7 285.4 310.2 0.48 20 400 7080 -35.1 -37.7 77 2.6 -35.4 290 13 309.4 309.4 285.5 310.7 0.37 21 396 7150 -35.7 -37.8 81 2.1 -35.9 287 13 309.5 309.5 285.6 310.8 0.37 22 327 8453 -46.5 -51.2 59 4.7 -46.7 248 16 312.0 312.0 286.2 312.4 0.11 23 317 8659 -48.3 -51.6 69 3.3 -48.4 247 15 312.3 312.3 286.3 312.7 0.10 24 300 9020 -51.1 -54.3 69 3.2 -51.2 255 13 313.3 313.3 286.6 313.6 0.08 25 286 9328 -53.9 -56.0 78 2.1 -53.9 240 11 313.6 313.6 286.7 313.9 0.07 26 259 9957 -58.3 -61.4 67 3.1 -58.3 265 17 316.2 316.2 287.5 316.3 0.04 27 250 10180 -57.5 -61.5 60 4.0 -57.6 250 16 320.6 320.6 289.0 320.7 0.04 28 246 10281 -58.1 -60.7 72 2.6 -58.2 242 17 321.2 321.2 289.2 321.3 0.04 29 245 10306 -58.3 -61.7 65 3.4 -58.3 240 17 321.2 321.3 289.2 321.4 0.04 30 243 10358 -57.3 -65.3 36 8.0 -57.4 235 17 323.5 323.5 289.9 323.6 0.02 31 238 10489 -56.3 -71.3 14 15.0 -56.5 241 20 326.9 326.9 290.9 327.0 0.01 32 228 10758 -57.9 -68.9 23 11.0 -58.0 244 22 328.5 328.5 291.3 328.6 0.02 33 210 11278 -54.1 -76.1 5 22.0 -54.4 248 23 342.3 342.3 294.8 342.3 0.01 34 200 11590 -53.1 -79.1 3 26.0 -53.4 270 25 348.7 348.7 296.3 348.7 0.00 35 191 11889 -52.1 -80.1 2 28.0 -52.5 272 24 354.9 354.9 297.7 354.9 0.00 36 189 11957 -52.7 -80.7 2 28.0 -53.1 273 24 355.0 355.0 297.7 355.0 0.00 37 162 12959 -51.3 -82.3 1 31.0 -51.8 267 24 373.4 373.4 301.1 373.4 0.00 38 155 13246 -51.9 -82.9 1 31.0 -52.4 266 24 377.1 377.1 301.8 377.1 0.00 39 150 13460 -50.5 -82.5 1 32.0 -51.1 280 23 383.1 383.1 302.8 383.1 0.00 40 130 14387 -52.5 -83.5 1 31.0 -53.1 253 23 395.5 395.5 304.6 395.5 0.00 41 112 15352 -50.3 -83.3 1 33.0 -51.1 264 22 416.8 416.8 307.3 416.8 0.00 42 100 16090 -50.7 -83.7 1 33.0 -51.5 290 20 429.8 429.8 308.8 429.8 0.00 43 91 16703 -52.3 -84.3 1 32.0 -53.1 261 15 438.3 438.3 309.7 438.4 0.00 44 70 18400 -52.7 -84.7 1 32.0 -53.7 235 7 471.6 471.6 312.8 471.7 0.00 45 50 20570 -53.9 -85.9 1 32.0 -55.1 280 18 516.5 516.5 316.1 516.5 0.00 46 43 21535 -54.9 -85.9 1 31.0 -56.1 345 11 536.8 536.8 317.3 536.8 0.01 47 30 23850 -52.1 -85.1 1 33.0 -54.2 105 13 602.6 602.6 320.7 602.7 0.01 48 20 26480 -49.1 -84.1 1 35.0 -52.8 105 2 685.9 685.9 324.0 686.0 0.02 49 12 29817 -51.5 -85.5 1 34.0 -55.9 110 18 785.3 785.3 326.9 785.5 0.02 50 10 31010 -48.1 -84.1 1 36.0 -54.4 100 5 840.0 840.0 328.2 840.3 0.03 51 4.8 35994 -34.5 -77.5 0 43.0 -52.0 1098.8 1099.0 332.6 1101.5 0.21 TRP 259 9957 -58.3 -61.4 67 3.1 -58.3 265 17 316.2 316.2 287.5 316.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5333.00 m Freezing level: 956.67 mb = 503.70 m = 1652.53 ft Wetbulb zero: 958.90 mb = 481.65 m = 1580.19 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 79.31 % Est. max temperature: 6.79 C = 44.22 F Sfc-Lift cond lev (LCL): 972.34 mb = 369.34 m = 1211.72 ft T: 0.95 C 700-500 lapse rate: 4.97 C/km ThetaE index: 0.22 C Layer 925.0- 859.0 mb Conv cond level (CCL): 928.01 mb = 745.81 m = 2446.85 ft Mean mixing ratio: 3.63 g/kg Conv temperature: 2.55 C = 36.60 F Cap Strength: 14.74 C Lifted Index: 15.14 C Risk: None Lifted Index @300 mb: 18.43 C Lifted Index @700 mb: 6.88 C Showalter Index: 14.50 C Risk: None Total Totals Index: 34.30 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 16.90 C K Index: 8.50 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.18 J/kg Max Up Vert Vel: 4.51 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 14.87 C Lift Cond Lev (LCL): 927.26 mb = 752.29 m = 2468.12 ft Lev Free Conv (LFC): 922.26 mb = 795.40 m = 2609.55 ft Equ Level (EL): 882.26 mb = 1145.47 m = 3758.07 ft B at Equ Level: 10.08 J/kg Max Parcel Lev (MPL): 832.26 mb = 1604.09 m = 5262.70 ft Wind level data Storm motion: 36 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 ---------------------------------------------------------- 0 980 306 5 2 -0.2 -2.0 | 221 11 7.1 8.0 1 944 610 20 13 -4.4 -12.2 | 308 4 2.8 -2.2 2 925 772 20 13 -4.4 -12.2 | 308 4 2.8 -2.2 3 908 914 25 13 -5.5 -11.8 | 315 2 1.8 -1.8 4 874 1219 40 19 -12.2 -14.6 | 47 7 -4.9 -4.5 5 850 1439 75 14 -13.5 -3.6 | 136 9 -6.3 6.4 6 841 1524 75 14 -13.5 -3.6 | 136 9 -6.3 6.4 7 808 1829 350 9 1.6 -8.9 | 263 9 8.8 1.2 8 777 2134 20 11 -3.8 -10.3 | 275 4 3.5 -0.3 9 747 2438 15 19 -4.9 -18.4 | 344 9 2.4 -8.3 10 719 2743 10 19 -3.3 -18.7 | 335 10 4.0 -8.7 11 700 2946 10 22 -3.8 -21.7 | 343 12 3.4 -11.6 12 691 3048 15 22 -5.7 -21.3 | 352 11 1.6 -11.2 13 663 3353 10 19 -3.3 -18.7 | 335 10 4.0 -8.7 14 637 3658 35 16 -9.2 -13.1 | 32 4 -1.9 -3.1 15 587 4267 345 14 3.6 -13.5 | 288 11 10.9 -3.5 16 564 4572 360 26 -0.0 -26.0 | 336 18 7.3 -16.0 17 542 4877 350 23 4.0 -22.7 | 318 17 11.3 -12.6 18 520 5182 340 19 6.5 -17.9 | 300 16 13.8 -7.8 19 500 5480 350 21 3.6 -20.7 | 314 15 10.9 -10.7 20 500 5486 350 21 3.6 -20.7 | 314 15 10.9 -10.7 21 479 5791 340 16 5.5 -15.0 | 291 14 12.7 -5.0 22 459 6096 320 13 8.4 -10.0 | 270 16 15.6 0.1 23 440 6401 305 12 9.8 -6.9 | 260 17 17.1 3.1 24 421 6706 280 13 12.8 -2.3 | 249 22 20.1 7.8 25 404 7010 290 13 12.2 -4.4 | 254 20 19.5 5.6 26 400 7080 290 13 12.2 -4.4 | 254 20 19.5 5.6 27 369 7620 270 15 15.0 -0.0 | 246 24 22.3 10.0 28 322 8534 245 16 14.5 6.8 | 232 27 21.8 16.8 29 300 9020 255 13 12.6 3.4 | 236 24 19.8 13.4 30 294 9144 255 13 12.6 3.4 | 236 24 19.8 13.4 31 280 9449 230 10 7.7 6.4 | 222 22 14.9 16.5 32 267 9754 245 10 9.1 4.2 | 229 22 16.3 14.2 33 259 9957 265 17 16.9 1.5 | 245 27 24.2 11.5 34 255 10058 265 17 16.9 1.5 | 245 27 24.2 11.5 35 250 10180 250 16 15.0 5.5 | 235 27 22.3 15.5 36 243 10363 235 17 13.9 9.8 | 227 29 21.2 19.8 37 231 10668 250 24 22.6 8.2 | 239 35 29.8 18.2 38 221 10973 230 18 13.8 11.6 | 224 30 21.1 21.6 39 200 11582 265 28 27.9 2.4 | 250 37 35.2 12.5 40 200 11590 270 25 25.0 -0.0 | 253 34 32.3 10.0 41 182 12192 275 23 22.9 -2.0 | 255 31 30.2 8.0 42 174 12497 270 22 22.0 -0.0 | 251 31 29.3 10.0 43 151 13411 265 25 24.9 2.2 | 249 34 32.2 12.2 44 150 13460 280 23 22.7 -4.0 | 259 31 29.9 6.0 45 138 14021 280 23 22.7 -4.0 | 259 31 29.9 6.0 46 125 14630 235 23 18.8 13.2 | 228 35 26.1 23.2 47 114 15240 260 22 21.7 3.8 | 244 32 28.9 13.8 48 100 16090 290 20 18.8 -6.8 | 263 26 26.1 3.2 49 94 16459 305 19 15.6 -10.9 | 272 23 22.8 -0.9 50 90 16764 250 14 13.2 4.8 | 234 25 20.4 14.8 51 86 17069 250 17 16.0 5.8 | 236 28 23.2 15.8 52 82 17374 295 17 15.4 -7.2 | 263 23 22.7 2.8 53 78 17678 290 12 11.3 -4.1 | 252 19 18.5 5.9 54 75 17983 250 13 12.2 4.4 | 233 24 19.5 14.5 55 71 18288 235 17 13.9 9.8 | 227 29 21.2 19.8 56 70 18400 235 7 5.7 4.0 | 223 19 13.0 14.0 57 68 18593 265 11 11.0 1.0 | 239 21 18.2 11.0 58 65 18898 220 10 6.4 7.7 | 218 22 13.7 17.7 59 56 19812 270 22 22.0 -0.0 | 251 31 29.3 10.0 60 54 20117 280 14 13.8 -2.4 | 250 22 21.1 7.6 61 51 20422 205 10 4.2 9.1 | 211 22 11.5 19.1 62 50 20570 280 18 17.7 -3.1 | 255 26 25.0 6.9 63 49 20726 260 20 19.7 3.5 | 243 30 27.0 13.5 64 47 21031 285 17 16.4 -4.4 | 257 24 23.7 5.6 65 44 21336 315 11 7.8 -7.8 | 262 15 15.0 2.2 66 42 21641 360 11 -0.0 -11.0 | 278 7 7.3 -1.0 67 40 21946 355 3 0.3 -3.0 | 227 10 7.5 7.0 68 38 22250 45 13 -9.2 -9.2 | 113 2 -1.9 0.8 69 37 22555 115 11 -10.0 4.6 | 170 15 -2.7 14.7 70 33 23165 65 10 -9.1 -4.2 | 163 6 -1.8 5.8 71 32 23470 135 15 -10.6 10.6 | 171 21 -3.3 20.6 72 30 23774 115 12 -10.9 5.1 | 167 16 -3.6 15.1 73 30 23850 105 13 -12.6 3.4 | 158 14 -5.3 13.4 74 29 24079 95 14 -13.9 1.2 | 149 13 -6.7 11.2 75 28 24384 125 14 -11.5 8.0 | 167 19 -4.2 18.1 76 25 24994 90 17 -17.0 0.0 | 136 14 -9.7 10.0 77 24 25298 120 15 -13.0 7.5 | 162 18 -5.7 17.5 78 23 25603 120 19 -16.5 9.5 | 155 22 -9.2 19.5 79 22 25908 125 12 -9.8 6.9 | 171 17 -2.6 16.9 80 21 26213 75 10 -9.7 -2.6 | 162 8 -2.4 7.4 81 20 26480 105 2 -1.9 0.5 | 207 12 5.3 10.5 82 20 26518 130 11 -8.4 7.1 | 176 17 -1.2 17.1 83 19 26822 115 2 -1.8 0.8 | 207 12 5.5 10.9 84 18 27127 60 10 -8.7 -5.0 | 165 5 -1.4 5.0 85 17 27432 75 14 -13.5 -3.6 | 136 9 -6.3 6.4 86 17 27737 110 18 -16.9 6.2 | 149 19 -9.6 16.2 87 16 28042 125 18 -14.7 10.3 | 160 22 -7.5 20.3 88 14 28956 110 16 -15.0 5.5 | 153 17 -7.8 15.5 89 13 29261 130 12 -9.2 7.7 | 174 18 -1.9 17.7 90 12 29566 110 12 -11.3 4.1 | 164 15 -4.0 14.1 91 12 29870 110 19 -17.9 6.5 | 147 20 -10.6 16.5 92 11 30175 120 17 -14.7 8.5 | 158 20 -7.5 18.5 93 10 31010 100 5 -4.9 0.9 | 192 11 2.3 10.9 Wind Parameters Mean winds (0-6000m): 6.0 at 16.5 knts Storm direction: 36.0 at 12.4 knts Shear (0-3000m) pos: 3.9 neg: 2.7 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 54.4 neg: -9.0 tot: 45.4 m^2/s^2 ave: 15.1 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 6.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.39 Bulk Shear: 7.31 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 19 10 258 4| 11.4 0.0 11.4| 12.7 0.0 12.7 25.4 0.73| 12.0 8.7 1000 29 13 314 2| 8.1 0.0 8.1| 25.6 0.0 25.6 25.6 0.78| 12.6 9.9 1500 37 13 71 1| 5.4 4.9 10.3| 38.7 -1.4 37.3 24.9 0.64| 17.0 10.9 2000 31 12 304 1| 5.9 3.7 9.6| 44.8 -1.4 43.4 21.7 0.64| 15.0 9.5 2500 26 14 330 3| 4.8 3.3 8.0| 47.9 -3.6 44.3 17.7 0.59| 13.2 7.8 3000 22 15 337 4| 3.9 2.7 6.7| 54.4 -9.0 45.4 15.1 0.54| 12.0 6.5 4000 20 15 334 5| 2.9 3.3 6.2| 63.0 -22.8 40.2 10.1 0.38| 11.6 4.4 5000 12 17 328 7| 2.8 2.8 5.6|103.8 -65.2 38.6 7.7 0.32| 11.5 3.7 6000 6 17 319 8| 2.3 2.8 5.2|111.9-115.9 -4.0 -0.7 0.19| 11.0 2.1 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250423.12.gif