UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 29 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 -27 SFC 961 306 4.2 3.6 96 0.6 3.9 205 6 280.5 281.4 279.0 294.7 5.15 2 925 610 3.2 2.7 97 0.5 2.9 245 25 282.6 283.4 279.8 296.6 5.02 3 850 1291 -0.3 -0.3 100 0.0 -0.3 240 27 285.8 286.6 280.6 298.3 4.40 4 828 1501 -1.3 -1.3 100 0.0 -1.3 236 27 286.9 287.7 280.8 298.9 4.20 5 700 2830 -5.9 -5.9 100 0.0 -5.9 245 24 296.0 296.6 284.0 306.4 3.51 6 645 3468 -8.1 -8.3 98 0.2 -8.2 250 36 300.5 301.0 285.4 310.1 3.17 7 640 3529 -7.5 -7.9 97 0.4 -7.7 247 38 301.8 302.4 286.0 311.9 3.29 8 584 4240 -8.3 -8.6 98 0.3 -8.4 240 68 308.9 309.5 288.6 319.7 3.42 9 500 5430 -15.1 -15.8 94 0.7 -15.3 240 75 314.6 315.1 289.3 321.9 2.23 10 414 6830 -24.1 -25.9 85 1.8 -24.5 247 72 320.5 320.7 290.1 324.4 1.12 11 400 7080 -25.9 -28.2 81 2.3 -26.3 245 76 321.3 321.5 290.2 324.6 0.94 12 340 8238 -34.7 -38.4 69 3.7 -35.1 252 81 324.6 324.7 290.6 326.1 0.41 13 300 9100 -42.1 -44.6 76 2.5 -42.3 255 89 326.0 326.1 290.8 326.9 0.24 14 272 9757 -47.7 -49.8 79 2.1 -47.8 255 96 327.2 327.2 291.0 327.7 0.15 15 250 10310 -51.9 -55.2 68 3.3 -52.0 255 103 328.9 328.9 291.5 329.2 0.09 16 248 10362 -52.1 -55.5 67 3.4 -52.2 255 103 329.4 329.4 291.6 329.7 0.08 17 228 10900 -56.3 -58.5 76 2.2 -56.3 255 103 331.0 331.0 292.0 331.2 0.06 18 218 11183 -58.3 -61.3 69 3.0 -58.4 255 105 332.1 332.1 292.3 332.3 0.05 19 205 11567 -61.1 -65.1 59 4.0 -61.2 260 94 333.6 333.6 292.7 333.8 0.03 20 200 11720 -60.3 -70.3 26 10.0 -60.4 255 86 337.3 337.3 293.7 337.3 0.01 21 199 11751 -60.3 -70.3 26 10.0 -60.4 255 85 337.8 337.8 293.8 337.8 0.01 22 194 11909 -61.5 -66.1 54 4.6 -61.6 256 83 338.3 338.3 293.9 338.4 0.03 23 192 11973 -61.9 -68.9 39 7.0 -62.0 257 82 338.7 338.7 294.0 338.7 0.02 24 190 12038 -61.5 -70.5 29 9.0 -61.6 257 80 340.3 340.3 294.4 340.4 0.01 25 185 12203 -61.7 -72.7 22 11.0 -61.8 259 78 342.6 342.6 295.0 342.7 0.01 26 179 12409 -58.1 -76.1 8 18.0 -58.3 260 74 351.7 351.7 297.0 351.8 0.01 27 177 12479 -57.9 -75.9 8 18.0 -58.1 261 73 353.2 353.2 297.3 353.2 0.01 28 173 12623 -58.7 -77.7 7 19.0 -58.9 262 70 354.2 354.2 297.5 354.2 0.01 29 161 13078 -54.9 -74.9 7 20.0 -55.2 265 62 368.0 368.0 300.2 368.0 0.01 30 150 13530 -54.9 -74.9 7 20.0 -55.2 260 45 375.5 375.5 301.5 375.5 0.01 31 118 15056 -56.5 -77.5 5 21.0 -56.9 262 42 399.2 399.2 305.1 399.2 0.01 32 100 16110 -54.5 -76.5 5 22.0 -55.1 260 26 422.4 422.4 308.0 422.5 0.01 33 92 16644 -56.3 -76.3 6 20.0 -56.8 262 26 429.1 429.1 308.7 429.1 0.01 34 70 18390 -55.5 -78.5 4 23.0 -56.2 285 24 465.7 465.7 312.3 465.7 0.01 35 63 19062 -55.9 -78.9 4 23.0 -56.6 276 17 479.0 479.0 313.4 479.1 0.01 36 55 19934 -52.3 -78.3 3 26.0 -53.5 263 12 506.2 506.2 315.4 506.3 0.02 37 50 20550 -53.1 -77.1 4 24.0 -54.3 240 15 518.3 518.3 316.2 518.5 0.02 38 35 22840 -55.3 -80.3 3 25.0 -56.6 168 14 568.3 568.3 319.1 568.4 0.02 39 30 23830 -53.1 -82.1 2 29.0 -55.0 180 6 599.9 599.9 320.6 600.0 0.02 40 20 26450 -51.5 -82.5 1 31.0 -54.5 90 11 678.5 678.5 323.7 678.7 0.02 41 10 31000 -46.9 -82.9 1 36.0 -53.7 10 11 844.5 844.5 328.3 844.9 0.04 42 9.7 31201 -47.7 -83.7 1 36.0 -54.3 848.9 848.9 328.4 849.2 0.04 43 4.7 36139 -33.3 -77.3 0 44.0 -51.8 1111.0 1111.2 332.8 1113.9 0.22 TRP 205 11567 -61.1 -65.1 59 4.0 -61.2 260 94 333.6 333.6 292.7 333.8 0.03 WND 218 11183 -58.3 -61.3 69 3.0 -58.4 255 105 332.1 332.1 292.3 332.3 0.05 Sounding variables and indices 1000-500 mb thick: 5457.00 m Freezing level: 856.43 mb = 1232.63 m = 4044.01 ft Wetbulb zero: 857.58 mb = 1219.46 m = 4000.81 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 98.11 % Est. max temperature: 11.62 C = 52.92 F Sfc-Lift cond lev (LCL): 952.13 mb = 379.85 m = 1246.22 ft T: 3.96 C 700-500 lapse rate: 3.54 C/km ThetaE index: 0.00 C Layer 961.0- -0.0 mb Conv cond level (CCL): 893.95 mb = 885.03 m = 2903.60 ft Mean mixing ratio: 4.87 g/kg Conv temperature: 7.53 C = 45.56 F Cap Strength: 13.48 C Lifted Index: 16.17 C Risk: None Lifted Index @300 mb: 20.84 C Lifted Index @700 mb: 5.45 C Showalter Index: 15.06 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 14.80 C Cross Totals Index: 14.80 C K Index: 14.50 Risk: None Sweat Index: 129.00 Risk: None Energy Index: 4.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.36 J/kg Max Up Vert Vel: 5.89 m/s Conv Inhibition (B-): 62940.22 J/kg Cap Strength: 16.01 C Lift Cond Lev (LCL): 904.27 mb = 792.56 m = 2600.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 33 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 ---------------------------------------------------------- 0 961 306 205 6 2.5 5.4 | 103 31 -30.5 6.9 1 925 610 240 24 20.8 12.0 | 138 18 -12.3 13.4 2 925 610 245 25 22.7 10.6 | 139 16 -10.4 12.0 3 891 914 260 24 23.6 4.2 | 121 11 -9.4 5.6 4 858 1219 245 26 23.6 11.0 | 143 16 -9.5 12.4 5 850 1291 240 27 23.4 13.5 | 147 18 -9.7 14.9 6 825 1524 235 27 22.1 15.5 | 147 20 -10.9 16.9 7 794 1829 250 24 22.6 8.2 | 133 14 -10.5 9.6 8 764 2134 245 21 19.0 8.9 | 126 17 -14.0 10.3 9 735 2438 235 23 18.8 13.2 | 136 20 -14.2 14.6 10 708 2743 245 26 23.6 11.0 | 143 16 -9.5 12.4 11 700 2830 245 24 21.8 10.1 | 136 16 -11.3 11.6 12 654 3353 255 31 29.9 8.0 | 162 10 -3.1 9.5 13 629 3658 240 44 38.1 22.0 | 192 24 5.1 23.4 14 581 4267 240 70 60.6 35.0 | 217 46 27.6 36.4 15 537 4877 240 67 58.0 33.5 | 216 43 25.0 34.9 16 500 5430 240 75 65.0 37.5 | 219 50 31.9 38.9 17 457 6096 245 68 61.6 28.7 | 223 42 28.6 30.2 18 438 6401 250 65 61.1 22.2 | 230 37 28.0 23.7 19 400 7080 245 76 68.9 32.1 | 227 49 35.8 33.6 20 370 7620 250 75 70.5 25.7 | 234 46 37.4 27.1 21 300 9100 255 89 86.0 23.0 | 245 58 52.9 24.5 22 298 9144 255 88 85.0 22.8 | 245 57 52.0 24.2 23 250 10310 255 103 99.5 26.7 | 247 72 66.4 28.1 24 236 10668 255 102 98.5 26.4 | 247 71 65.5 27.8 25 218 11183 255 105 101.4 27.2 | 247 74 68.4 28.6 26 215 11278 255 105 101.4 27.2 | 247 74 68.4 28.6 27 205 11567 260 94 92.6 16.3 | 253 62 59.5 17.8 28 200 11720 255 86 83.1 22.3 | 245 55 50.0 23.7 29 160 13106 265 62 61.8 5.4 | 257 30 28.7 6.8 30 153 13411 280 55 54.2 -9.6 | 291 23 21.1 -8.1 31 150 13530 260 45 44.3 7.8 | 231 15 11.3 9.2 32 139 14021 250 47 44.2 16.1 | 212 21 11.1 17.5 33 126 14630 255 42 40.6 10.9 | 211 14 7.5 12.3 34 115 15240 265 42 41.8 3.7 | 240 10 8.8 5.1 35 109 15545 270 41 41.0 -0.0 | 260 8 8.0 1.4 36 100 16110 260 26 25.6 4.5 | 129 10 -7.4 5.9 37 95 16459 260 26 25.6 4.5 | 129 10 -7.4 5.9 38 86 17069 265 26 25.9 2.3 | 117 8 -7.1 3.7 39 82 17374 245 34 30.8 14.4 | 172 16 -2.2 15.8 40 75 17983 275 27 26.9 -2.4 | 81 6 -6.2 -0.9 41 70 18390 285 24 23.2 -6.2 | 64 11 -9.9 -4.8 42 65 18898 290 18 16.9 -6.2 | 74 17 -16.1 -4.7 43 62 19202 265 17 16.9 1.5 | 100 16 -16.1 2.9 44 59 19507 295 14 12.7 -5.9 | 78 21 -20.4 -4.5 45 56 19812 265 11 11.0 1.0 | 96 22 -22.1 2.4 46 53 20117 260 13 12.8 2.3 | 100 21 -20.2 3.7 47 51 20422 285 16 15.5 -4.1 | 81 18 -17.6 -2.7 48 50 20550 240 15 13.0 7.5 | 114 22 -20.1 8.9 49 49 20726 225 10 7.1 7.1 | 108 27 -26.0 8.5 50 46 21031 260 19 18.7 3.3 | 108 15 -14.3 4.7 51 44 21336 275 12 12.0 -1.0 | 91 21 -21.1 0.4 52 40 21946 0 0 -0.0 -0.0 | 92 33 -33.0 1.4 53 38 22250 190 10 1.7 9.8 | 110 33 -31.3 11.3 54 37 22555 215 17 9.8 13.9 | 123 28 -23.3 15.4 55 33 23165 115 11 -10.0 4.6 | 98 43 -43.0 6.1 56 32 23470 165 14 -3.6 13.5 | 112 40 -36.7 15.0 57 30 23774 200 10 3.4 9.4 | 110 32 -29.6 10.8 58 30 23830 180 6 0.0 6.0 | 103 34 -33.0 7.4 59 26 24689 0 0 -0.0 -0.0 | 92 33 -33.0 1.4 60 20 26450 90 11 -11.0 0.0 | 92 44 -44.0 1.4 61 20 26518 80 11 -10.8 -1.9 | 89 44 -43.9 -0.5 62 19 26822 85 11 -11.0 -1.0 | 91 44 -44.0 0.5 63 18 27127 145 13 -7.5 10.6 | 107 42 -40.5 12.1 64 17 27432 155 14 -5.9 12.7 | 110 41 -39.0 14.1 65 16 28042 90 10 -10.0 0.0 | 92 43 -43.0 1.4 66 15 28346 135 10 -7.1 7.1 | 102 41 -40.1 8.5 67 14 28956 80 10 -9.8 -1.7 | 90 43 -42.9 -0.3 68 13 29261 115 17 -15.4 7.2 | 100 49 -48.5 8.6 69 12 29566 145 10 -5.7 8.2 | 104 40 -38.8 9.6 70 12 29870 85 10 -10.0 -0.9 | 91 43 -43.0 0.6 71 11 30175 110 16 -15.0 5.5 | 98 49 -48.1 6.9 72 10 31000 10 11 -1.9 -10.8 | 75 36 -35.0 -9.4 Wind Parameters Mean winds (0-6000m): 242.5 at 44.1 knts Storm direction: 272.5 at 33.1 knts Shear (0-3000m) pos: 5.3 neg: 1.8 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 55.8 deg Storm rel helicity (0-3000m) pos: 163.5 neg: -42.0 tot: 121.5 m^2/s^2 ave: 40.5 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 85.02 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 ------------------------------------------------------------------------------- 500 242 19 122 19| 21.6 0.0 21.6|102.1 -6.8 95.3 190.6 0.50| 27.4 13.7 1000 247 22 128 16| 10.8 3.7 14.5|123.8 -11.8 112.0 112.0 0.47| 19.6 9.1 1500 244 23 134 17| 7.1 2.5 9.5|123.9 -28.8 95.2 63.4 0.30| 16.0 4.8 2000 245 23 133 17| 5.3 2.7 8.0|132.0 -36.9 95.1 47.6 0.26| 13.5 3.5 2500 244 23 134 17| 4.9 2.1 7.1|147.6 -42.0 105.6 42.2 0.26| 12.3 3.2 3000 245 24 135 16| 5.3 1.8 7.1|163.5 -42.0 121.5 40.5 0.30| 11.5 3.5 4000 244 31 160 16| 4.0 5.9 9.9|313.3 -42.0 271.3 67.8 0.39| 14.0 5.4 5000 242 38 183 19| 3.2 5.0 8.2|340.8 -53.5 287.3 57.5 0.37| 12.1 4.5 6000 242 44 196 23| 2.9 4.2 7.1|421.2 -53.5 367.6 61.3 0.38| 11.4 4.3 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20250429.12.gif