UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 14 OCT 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 97 SFC 976 306 11.6 5.6 67 6.0 8.5 200 12 286.7 287.8 282.7 303.2 5.84 2 925 747 9.4 6.7 83 2.7 7.9 235 30 288.9 290.1 284.5 307.8 6.66 3 914 846 8.6 6.6 87 2.0 7.5 235 31 289.1 290.3 284.6 308.1 6.70 4 899 983 8.6 4.5 75 4.1 6.5 235 32 290.5 291.5 284.3 307.3 5.88 5 874 1216 6.8 2.0 71 4.8 4.4 235 33 290.9 291.8 283.6 305.5 5.06 6 850 1444 4.8 2.5 85 2.3 3.7 235 35 291.2 292.1 284.1 306.7 5.39 7 806 1875 1.8 1.8 100 0.0 1.8 224 42 292.4 293.4 284.6 308.1 5.41 8 776 2180 0.0 0.0 100 0.0 0.0 220 46 293.7 294.6 284.6 308.1 4.93 9 775 2191 0.0 -1.2 92 1.2 -0.6 220 46 293.8 294.6 284.2 307.0 4.52 10 774 2201 -0.3 -3.7 78 3.4 -1.8 220 46 293.6 294.3 283.2 304.7 3.76 11 773 2212 0.0 -13.0 37 13.0 -4.4 220 46 294.0 294.3 281.1 299.6 1.82 12 765 2295 1.8 -17.2 23 19.0 -4.3 220 45 296.8 297.1 281.7 300.9 1.30 13 749 2466 2.2 -26.8 10 29.0 -5.3 220 45 299.1 299.2 281.7 301.0 0.57 14 741 2553 2.0 -28.0 9 30.0 -5.6 220 46 299.8 299.9 282.0 301.5 0.51 15 732 2651 1.6 -13.4 32 15.0 -3.8 220 48 300.4 300.7 283.9 306.2 1.86 16 716 2829 1.4 -30.6 7 32.0 -6.3 220 50 302.1 302.2 282.8 303.5 0.42 17 704 2965 0.4 -21.6 17 22.0 -6.1 220 51 302.4 302.6 283.6 305.6 0.96 18 700 3011 0.0 -15.0 31 15.0 -5.2 220 51 302.5 302.8 284.5 307.9 1.70 19 696 3057 -0.3 -9.3 51 9.0 -3.9 220 53 302.6 303.1 285.7 311.1 2.71 20 692 3103 -0.3 -19.3 22 19.0 -6.2 221 52 303.1 303.4 284.2 307.0 1.20 21 667 3396 -1.5 -43.5 2 42.0 -8.9 226 49 305.0 305.0 283.6 305.4 0.12 22 655 3540 -2.1 -30.1 10 28.0 -8.8 228 47 305.9 306.0 284.4 307.6 0.48 23 585 4426 -8.7 -34.7 10 26.0 -13.7 226 42 308.3 308.3 285.1 309.5 0.34 24 571 4613 -10.3 -25.3 28 15.0 -14.0 228 41 308.5 308.7 285.8 311.4 0.86 25 500 5620 -17.9 -35.9 19 18.0 -20.8 220 37 311.2 311.3 286.2 312.5 0.36 26 429 6748 -26.3 -53.3 6 27.0 -28.4 215 37 314.4 314.5 287.0 314.7 0.06 27 400 7250 -31.1 -51.1 12 20.0 -32.5 220 39 314.6 314.6 287.1 314.9 0.09 28 398 7286 -31.3 -51.3 12 20.0 -32.7 220 39 314.8 314.8 287.1 315.1 0.09 29 320 8796 -41.9 -66.9 5 25.0 -42.6 216 52 320.3 320.3 288.9 320.4 0.01 30 302 9186 -44.7 -67.7 6 23.0 -45.3 213 55 321.7 321.7 289.3 321.8 0.01 31 300 9230 -44.9 -68.9 5 24.0 -45.4 210 57 322.1 322.1 289.4 322.1 0.01 32 275 9805 -48.3 -66.3 11 18.0 -48.7 208 62 325.3 325.3 290.4 325.3 0.02 33 253 10352 -49.1 -70.1 7 21.0 -49.5 205 66 331.9 331.9 292.3 332.0 0.01 34 250 10430 -48.9 -70.9 6 22.0 -49.3 205 67 333.4 333.4 292.6 333.4 0.01 35 246 10536 -49.3 -71.5 6 22.2 -49.7 200 70 334.3 334.3 292.9 334.3 0.01 36 232 10919 -50.9 -73.9 5 23.0 -51.2 205 67 337.5 337.5 293.7 337.6 0.01 37 203 11792 -49.1 -78.1 2 29.0 -49.6 209 49 353.5 353.5 297.4 353.5 0.00 38 200 11890 -49.7 -78.7 2 29.0 -50.2 210 47 354.1 354.1 297.5 354.1 0.00 39 180 12576 -52.3 -80.3 2 28.0 -52.7 218 48 360.7 360.7 298.8 360.7 0.00 40 161 13301 -50.5 -81.5 1 31.0 -51.1 215 49 375.4 375.4 301.5 375.4 0.00 41 150 13760 -53.3 -82.3 2 29.0 -53.8 220 39 378.2 378.2 301.9 378.3 0.00 42 139 14251 -51.9 -82.9 1 31.0 -52.5 213 39 389.0 389.0 303.6 389.0 0.00 43 128 14780 -54.9 -83.9 2 29.0 -55.4 207 44 392.9 392.9 304.2 392.9 0.00 44 126 14881 -54.3 -83.3 2 29.0 -54.8 212 45 395.8 395.8 304.6 395.8 0.00 45 112 15634 -54.7 -83.7 2 29.0 -55.2 246 37 408.6 408.6 306.3 408.6 0.00 46 103 16164 -58.7 -84.7 2 26.0 -59.0 225 30 410.8 410.8 306.6 410.8 0.00 47 100 16350 -57.5 -84.5 2 27.0 -57.9 225 40 416.6 416.6 307.3 416.6 0.00 48 95 16674 -55.7 -84.7 1 29.0 -56.2 230 36 426.3 426.3 308.4 426.3 0.00 49 71 18493 -62.5 -87.5 2 25.0 -62.8 223 36 448.9 448.9 310.7 448.9 0.00 50 70 18580 -62.1 -88.1 2 26.0 -62.4 220 34 451.5 451.5 311.0 451.5 0.00 51 55 20064 -64.7 -88.7 2 24.0 -65.0 301 6 477.8 477.8 313.2 477.8 0.00 52 51 20528 -62.5 -88.5 2 26.0 -62.9 251 9 493.4 493.4 314.5 493.4 0.00 53 50 20650 -63.1 -89.1 2 26.0 -63.5 235 10 494.8 494.8 314.6 494.8 0.00 54 30 23790 -63.9 -89.9 2 26.0 -64.5 260 13 570.4 570.4 319.2 570.5 0.00 55 27 24432 -64.3 -90.3 2 26.0 -64.9 257 10 586.8 586.8 320.0 586.8 0.00 56 25 24904 -61.9 -89.9 1 28.0 -62.8 238 17 606.7 606.7 320.9 606.7 0.00 57 22 25688 -64.5 -90.5 2 26.0 -65.2 258 22 621.6 621.6 321.6 621.6 0.00 58 20 26270 -63.3 -90.3 1 27.0 -64.2 255 17 642.4 642.4 322.4 642.4 0.01 59 16 27645 -63.3 -90.3 1 27.0 -64.4 282 19 684.7 684.8 323.9 684.8 0.01 60 14 28475 -58.9 -87.9 1 29.0 -60.9 262 30 726.3 726.3 325.3 726.4 0.01 61 10 30580 -60.9 -88.9 1 28.0 -63.0 265 35 792.2 792.2 327.1 792.3 0.01 62 9.2 31098 -61.5 -89.5 1 28.0 -63.6 809.0 809.1 327.5 809.2 0.01 63 6.6 33171 -58.5 -88.5 1 30.0 -62.1 902.3 902.3 329.5 902.5 0.02 64 5.6 34218 -52.9 -85.9 1 33.0 -59.2 970.4 970.4 330.7 970.8 0.04 TRP 232 10919 -50.9 -73.9 5 23.0 -51.2 205 67 337.5 337.5 293.7 337.6 0.01 WND 246 10536 -49.3 -71.5 6 22.2 -49.7 200 70 334.3 334.3 292.9 334.3 0.01 Sounding variables and indices 1000-500 mb thick: 5523.00 m Freezing level: 775.00 mb = 2190.80 m = 7187.57 ft Freezing level: 773.00 mb = 2211.50 m = 7255.51 ft Freezing level: 700.00 mb = 3011.00 m = 9878.49 ft Wetbulb zero: 775.97 mb = 2180.81 m = 7154.80 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 40.59 % Est. max temperature: 16.69 C = 62.04 F Sfc-Lift cond lev (LCL): 891.21 mb = 1054.93 m = 3461.00 ft T: 8.04 C 700-500 lapse rate: 6.86 C/km ThetaE index: 8.53 C Layer 776.0- 765.0 mb Conv cond level (CCL): 839.52 mb = 1544.72 m = 5067.91 ft Mean mixing ratio: 6.12 g/kg Conv temperature: 16.30 C = 61.35 F Cap Strength: 7.31 C Lifted Index: 6.75 C Risk: None Lifted Index @300 mb: 11.33 C Lifted Index @700 mb: 5.96 C Showalter Index: 6.51 C Risk: None Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.40 C K Index: 10.20 Risk: None Sweat Index: 137.00 Risk: None Energy Index: 1.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.84 J/kg Max Up Vert Vel: 5.80 m/s Conv Inhibition (B-): 59501.90 J/kg Cap Strength: 7.28 C Lift Cond Lev (LCL): 871.34 mb = 1240.85 m = 4070.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 30 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 ---------------------------------------------------------- 0 976 306 200 12 4.1 11.3 | 98 25 -25.0 3.5 1 941 610 220 30 19.3 23.0 | 147 18 -9.9 15.2 2 925 747 235 30 24.6 17.2 | 154 11 -4.6 9.5 3 906 914 235 32 26.2 18.4 | 165 11 -2.9 10.6 4 874 1219 235 33 27.0 18.9 | 169 11 -2.1 11.2 5 850 1444 235 35 28.7 20.1 | 178 12 -0.5 12.3 6 842 1524 240 37 32.0 18.5 | 195 11 2.9 10.7 7 810 1829 225 41 29.0 29.0 | 180 21 -0.2 21.2 8 780 2134 220 46 29.6 35.2 | 181 27 0.4 27.5 9 751 2438 220 45 28.9 34.5 | 180 27 -0.2 26.7 10 724 2743 220 49 31.5 37.5 | 185 30 2.3 29.8 11 700 3011 220 51 32.8 39.1 | 187 32 3.6 31.3 12 697 3048 220 53 34.1 40.6 | 189 33 4.9 32.8 13 644 3658 230 45 34.5 28.9 | 194 22 5.3 21.2 14 595 4267 225 42 29.7 29.7 | 181 22 0.5 21.9 15 550 4877 230 41 31.4 26.4 | 187 19 2.3 18.6 16 509 5486 215 35 20.1 28.7 | 157 23 -9.1 20.9 17 500 5620 220 37 23.8 28.3 | 165 21 -5.4 20.6 18 468 6096 225 39 27.6 27.6 | 175 20 -1.6 19.8 19 449 6401 225 42 29.7 29.7 | 181 22 0.5 21.9 20 431 6706 215 37 21.2 30.3 | 161 24 -7.9 22.6 21 400 7250 220 39 25.1 29.9 | 170 22 -4.1 22.1 22 379 7620 220 44 28.3 33.7 | 178 26 -0.9 26.0 23 304 9144 215 54 31.0 44.2 | 183 37 1.8 36.5 24 300 9230 210 57 28.5 49.4 | 179 42 -0.7 41.6 25 250 10430 205 67 28.3 60.7 | 179 53 -0.8 53.0 26 246 10536 200 70 23.9 65.8 | 175 58 -5.2 58.0 27 241 10668 200 69 23.6 64.8 | 174 57 -5.6 57.1 28 232 10919 205 67 28.3 60.7 | 179 53 -0.8 53.0 29 200 11890 210 47 23.5 40.7 | 170 33 -5.7 32.9 30 166 13106 225 49 34.6 34.6 | 192 27 5.5 26.9 31 158 13411 210 49 24.5 42.4 | 172 35 -4.7 34.7 32 150 13760 220 39 25.1 29.9 | 170 22 -4.1 22.1 33 144 14021 220 38 24.4 29.1 | 168 22 -4.7 21.4 34 131 14630 200 41 14.0 38.5 | 154 34 -15.1 30.8 35 119 15240 230 52 39.8 33.4 | 203 28 10.7 25.7 36 113 15545 245 39 35.3 16.5 | 215 11 6.2 8.7 37 108 15850 250 33 31.0 11.3 | 208 4 1.9 3.5 38 103 16154 225 30 21.2 21.2 | 149 16 -7.9 13.5 39 100 16350 225 40 28.3 28.3 | 178 21 -0.9 20.5 40 98 16459 225 40 28.3 28.3 | 178 21 -0.9 20.5 41 89 17069 240 29 25.1 14.5 | 149 8 -4.0 6.7 42 85 17374 210 23 11.5 19.9 | 125 21 -17.7 12.2 43 73 18288 230 40 30.6 25.7 | 185 18 1.5 18.0 44 70 18580 220 34 21.9 26.0 | 158 20 -7.3 18.3 45 70 18593 215 26 14.9 21.3 | 134 20 -14.2 13.5 46 63 19202 250 39 36.6 13.3 | 233 9 7.5 5.6 47 57 19812 280 15 14.8 -2.6 | 54 18 -14.4 -10.4 48 55 20117 305 4 3.3 -2.3 | 69 28 -25.9 -10.0 49 50 20650 235 10 8.2 5.7 | 84 21 -21.0 -2.0 50 49 20726 230 10 7.7 6.4 | 86 22 -21.5 -1.3 51 47 21031 240 11 9.5 5.5 | 83 20 -19.6 -2.3 52 45 21336 245 18 16.3 7.6 | 89 13 -12.8 -0.1 53 43 21641 265 22 21.9 1.9 | 51 9 -7.2 -5.8 54 40 21946 285 18 17.4 -4.7 | 43 17 -11.8 -12.4 55 39 22250 355 10 0.9 -10.0 | 58 33 -28.3 -17.7 56 37 22555 300 11 9.5 -5.5 | 56 24 -19.6 -13.3 57 33 23165 15 1 -0.3 -1.0 | 73 31 -29.4 -8.7 58 30 23774 215 10 5.7 8.2 | 91 23 -23.4 0.4 59 30 23790 260 13 12.8 2.3 | 71 17 -16.3 -5.5 60 29 24079 255 11 10.6 2.8 | 75 19 -18.5 -4.9 61 27 24384 265 10 10.0 0.9 | 70 20 -19.2 -6.9 62 26 24689 215 11 6.3 9.0 | 93 23 -22.8 1.3 63 23 25298 280 27 26.6 -4.7 | 12 13 -2.6 -12.4 64 21 25908 245 19 17.2 8.0 | 91 12 -11.9 0.3 65 20 26213 285 26 25.1 -6.7 | 16 15 -4.0 -14.5 66 20 26270 255 17 16.4 4.4 | 75 13 -12.7 -3.4 67 19 26518 285 22 21.3 -5.7 | 30 16 -7.9 -13.4 68 18 26822 245 20 18.1 8.5 | 94 11 -11.0 0.7 69 17 27127 270 24 24.0 -0.0 | 34 9 -5.2 -7.8 70 17 27432 275 21 20.9 -1.8 | 41 13 -8.2 -9.6 71 16 27737 285 18 17.4 -4.7 | 43 17 -11.8 -12.4 72 15 28042 255 15 14.5 3.9 | 75 15 -14.7 -3.9 73 13 28956 270 45 45.0 -0.0 | 296 18 15.8 -7.8 74 10 30580 265 35 34.9 3.1 | 309 7 5.7 -4.7 Wind Parameters Mean winds (0-6000m): 225.1 at 40.2 knts Storm direction: 255.1 at 30.2 knts Shear (0-3000m) pos: 4.1 neg: 3.7 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 93.1 deg Storm rel helicity (0-3000m) pos: 178.9 neg: -18.0 tot: 160.9 m^2/s^2 ave: 53.6 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 5.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.51 Bulk Shear: 32.85 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 ------------------------------------------------------------------------------- 500 222 25 130 17| 22.6 0.0 22.6|109.9 0.0 109.9 219.9 0.75| 28.2 21.3 1000 229 28 145 13| 11.3 1.6 12.9|118.3 0.0 118.3 118.3 0.77| 15.7 12.1 1500 231 31 159 13| 7.5 3.9 11.4|129.9 -13.3 116.6 77.7 0.55| 15.1 8.3 2000 228 35 168 16| 5.7 4.5 10.2|131.8 -16.5 115.2 57.6 0.47| 13.2 6.2 2500 226 37 172 18| 4.5 4.4 8.9|151.8 -18.0 133.7 53.5 0.47| 11.5 5.5 3000 225 39 176 20| 4.1 3.7 7.8|178.9 -18.0 160.9 53.6 0.47| 10.8 5.1 4000 226 41 180 21| 2.9 2.7 5.6|186.9 -44.5 142.4 35.6 0.36| 9.5 3.4 5000 226 41 180 21| 2.5 2.3 4.9|195.5 -84.9 110.6 22.1 0.24| 8.8 2.1 6000 225 40 178 21| 2.6 2.0 4.5|240.3 -99.5 140.7 23.5 0.27| 8.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251014.12.gif