UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 21 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 52 SFC 970 306 7.2 6.3 94 0.9 6.8 282.8 283.9 281.3 299.9 6.18 2 925 692 4.4 4.3 99 0.1 4.4 250 21 283.8 284.8 281.1 299.5 5.63 3 857 1312 1.2 1.2 100 0.0 1.2 236 21 286.7 287.6 281.5 300.5 4.87 4 850 1378 2.2 2.2 100 0.0 2.2 235 21 288.5 289.4 282.8 303.5 5.28 5 821 1659 2.4 1.5 94 0.9 2.0 231 23 291.5 292.5 284.0 306.5 5.20 6 736 2536 -2.1 -2.2 99 0.1 -2.1 216 28 295.9 296.7 284.9 309.0 4.42 7 700 2934 -3.1 -4.3 91 1.2 -3.6 210 31 299.1 299.8 285.7 311.0 3.97 8 683 3128 -3.1 -5.7 82 2.6 -4.2 210 34 301.2 301.8 286.1 312.3 3.66 9 651 3507 -5.1 -5.5 97 0.4 -5.3 209 39 303.1 303.8 287.1 315.0 3.90 10 643 3604 -4.5 -7.0 83 2.5 -5.5 209 41 304.8 305.5 287.3 315.7 3.52 11 626 3814 -5.9 -9.5 76 3.6 -7.3 208 44 305.6 306.1 287.1 314.8 2.97 12 580 4406 -10.9 -10.9 100 0.0 -10.9 207 52 306.5 307.0 287.2 315.5 2.87 13 529 5106 -15.7 -15.8 99 0.1 -15.7 206 63 308.9 309.3 287.3 315.7 2.11 14 525 5163 -15.9 -19.5 74 3.6 -16.9 206 63 309.3 309.6 286.9 314.4 1.55 15 524 5178 -15.7 -24.7 46 9.0 -17.8 206 64 309.7 309.9 286.4 313.0 0.98 16 522 5207 -15.7 -24.7 46 9.0 -17.8 206 64 310.1 310.2 286.5 313.4 0.99 17 509 5396 -17.1 -23.1 60 6.0 -18.6 205 67 310.6 310.8 286.9 314.5 1.17 18 507 5426 -17.1 -26.1 46 9.0 -19.1 205 67 311.0 311.1 286.7 314.0 0.90 19 500 5530 -17.7 -23.7 59 6.0 -19.1 205 69 311.5 311.7 287.2 315.2 1.13 20 484 5773 -19.7 -22.4 79 2.7 -20.4 204 75 311.9 312.2 287.5 316.3 1.31 21 479 5850 -20.3 -22.1 85 1.8 -20.7 203 77 312.1 312.4 287.6 316.6 1.36 22 469 6007 -21.1 -32.1 37 11.0 -23.0 202 81 313.0 313.1 287.1 314.9 0.55 23 467 6039 -21.3 -26.3 64 5.0 -22.3 202 82 313.1 313.3 287.5 316.4 0.96 24 462 6118 -20.7 -28.7 49 8.0 -22.2 201 84 314.8 315.0 287.9 317.5 0.77 25 459 6167 -20.9 -28.9 49 8.0 -22.5 201 85 315.2 315.3 288.1 317.8 0.76 26 414 6921 -27.7 -29.6 84 1.9 -28.0 197 105 315.9 316.0 288.3 318.6 0.79 27 409 7009 -25.9 -28.3 80 2.4 -26.3 196 108 319.3 319.5 289.5 322.5 0.91 28 400 7170 -26.7 -29.5 77 2.8 -27.2 195 112 320.3 320.4 289.8 323.2 0.83 29 326 8613 -37.3 -40.8 70 3.5 -37.6 205 118 325.0 325.0 290.6 326.2 0.33 30 300 9180 -42.5 -45.2 75 2.7 -42.7 205 121 325.5 325.5 290.6 326.3 0.23 31 288 9455 -44.3 -46.5 79 2.2 -44.5 205 123 326.7 326.8 291.0 327.5 0.20 32 267 9957 -48.5 -52.5 63 4.0 -48.6 205 126 327.8 327.8 291.2 328.2 0.11 33 265 10007 -48.9 -53.1 61 4.2 -49.1 210 126 327.9 327.9 291.2 328.3 0.10 34 252 10337 -47.9 -63.9 14 16.0 -48.3 209 102 334.1 334.1 292.9 334.2 0.03 35 250 10390 -47.9 -64.9 12 17.0 -48.3 210 98 334.9 334.9 293.0 335.0 0.02 36 246 10496 -47.5 -66.5 10 19.0 -48.0 210 94 337.0 337.0 293.6 337.1 0.02 37 231 10913 -44.5 -74.5 2 30.0 -45.3 202 73 347.7 347.7 296.1 347.7 0.01 38 200 11870 -47.3 -77.3 2 30.0 -48.0 195 71 357.9 357.9 298.3 357.9 0.01 39 191 12173 -49.1 -79.1 2 30.0 -49.7 195 66 359.7 359.7 298.7 359.7 0.00 40 186 12348 -47.7 -78.7 2 31.0 -48.4 195 63 364.7 364.7 299.6 364.7 0.00 41 155 13530 -55.5 -82.5 2 27.0 -55.8 209 63 371.0 371.0 300.7 371.0 0.00 42 153 13613 -53.7 -82.7 2 29.0 -54.1 211 60 375.4 375.4 301.5 375.4 0.00 43 150 13740 -53.9 -82.9 2 29.0 -54.3 215 56 377.2 377.2 301.8 377.2 0.00 44 145 13958 -53.1 -83.1 1 30.0 -53.6 223 48 382.3 382.3 302.6 382.3 0.00 45 128 14752 -57.9 -84.9 2 27.0 -58.2 210 37 387.5 387.5 303.4 387.5 0.00 46 124 14952 -56.3 -84.3 2 28.0 -56.7 220 45 393.9 394.0 304.3 394.0 0.00 47 117 15320 -56.9 -84.9 2 28.0 -57.3 218 27 399.4 399.4 305.1 399.5 0.00 48 107 15880 -61.5 -85.5 3 24.0 -61.7 210 26 401.1 401.1 305.3 401.1 0.00 49 100 16300 -60.1 -86.1 2 26.0 -60.4 220 20 411.6 411.6 306.7 411.6 0.00 50 97 16490 -60.5 -86.5 2 26.0 -60.8 225 29 414.4 414.4 307.0 414.4 0.00 51 94 16686 -58.9 -85.9 2 27.0 -59.3 229 23 421.3 421.3 307.9 421.3 0.00 52 82 17536 -61.9 -87.9 2 26.0 -62.2 204 20 432.0 432.0 309.0 432.0 0.00 53 73 18259 -59.7 -87.7 1 28.0 -60.1 200 12 451.2 451.2 311.0 451.2 0.00 54 70 18520 -61.1 -88.1 2 27.0 -61.4 170 14 453.7 453.7 311.2 453.7 0.00 55 69 18609 -61.5 -88.5 2 27.0 -61.9 142 12 454.7 454.7 311.3 454.7 0.00 56 64 19079 -58.5 -87.5 1 29.0 -59.0 207 17 471.2 471.2 312.7 471.2 0.00 57 53 20251 -63.1 -89.1 2 26.0 -63.5 292 18 486.6 486.6 314.0 486.6 0.00 58 50 20610 -62.7 -89.7 1 27.0 -63.1 190 2 495.7 495.7 314.7 495.7 0.00 59 39 22138 -64.1 -90.1 2 26.0 -64.6 250 9 528.7 528.7 316.8 528.7 0.00 60 34 22985 -61.3 -89.3 1 28.0 -62.0 303 10 557.2 557.2 318.5 557.2 0.00 61 30 23760 -62.3 -90.3 1 28.0 -63.0 260 15 574.8 574.8 319.4 574.8 0.00 62 20 26250 -65.9 -90.9 2 25.0 -66.5 305 18 634.5 634.5 322.1 634.5 0.00 63 19 26561 -66.5 -91.5 2 25.0 -67.1 302 19 642.0 642.0 322.4 642.0 0.00 64 10 30470 -63.5 -90.5 1 27.0 -65.1 265 38 782.5 782.5 326.8 782.6 0.01 65 8.4 31541 -63.5 -91.5 1 28.0 -65.3 822.5 822.5 327.8 822.6 0.01 66 6.9 32762 -58.7 -89.7 1 31.0 -62.1 890.1 890.1 329.2 890.2 0.02 TRP 265 10007 -48.9 -53.1 61 4.2 -49.1 210 126 327.9 327.9 291.2 328.3 0.10 WND 267 9957 -48.5 -52.5 63 4.0 -48.6 205 126 327.8 327.8 291.2 328.2 0.11 Sounding variables and indices 1000-500 mb thick: 5478.00 m Freezing level: 775.67 mb = 2126.47 m = 6976.54 ft Wetbulb zero: 780.52 mb = 2064.49 m = 6773.17 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 91.23 % Est. max temperature: 15.91 C = 60.64 F Sfc-Lift cond lev (LCL): 956.81 mb = 417.28 m = 1369.02 ft T: 6.39 C 700-500 lapse rate: 5.62 C/km ThetaE index: 0.40 C Layer 925.0- 857.0 mb Conv cond level (CCL): 916.77 mb = 764.57 m = 2508.42 ft Mean mixing ratio: 5.57 g/kg Conv temperature: 8.54 C = 47.37 F Cap Strength: 11.12 C Lifted Index: 11.40 C Risk: None Lifted Index @300 mb: 18.27 C Lifted Index @700 mb: 6.43 C Showalter Index: 8.88 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 19.90 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 137.40 Risk: None Energy Index: 2.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.38 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 11.22 C Lift Cond Lev (LCL): 915.37 mb = 776.94 m = 2548.97 ft Lev Free Conv (LFC): 910.37 mb = 821.39 m = 2694.82 ft Equ Level (EL): 900.37 mb = 911.03 m = 2988.92 ft B at Equ Level: 13.20 J/kg Max Parcel Lev (MPL): 840.37 mb = 1470.15 m = 4823.28 ft Wind level data Storm motion: 240 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 ---------------------------------------------------------- 0 925 692 250 21 19.7 7.2 | 42 13 -8.8 -9.6 1 850 1378 235 21 17.2 12.0 | 67 12 -11.3 -4.7 2 700 2934 210 31 15.5 26.8 | 128 16 -13.0 10.1 3 500 5530 205 69 29.2 62.5 | 181 46 0.6 45.8 4 400 7170 195 112 29.0 108.2 | 180 91 0.5 91.4 5 1023 610 255 21 20.3 5.4 | 36 14 -8.2 -11.3 6 979 914 240 21 18.2 10.5 | 59 12 -10.3 -6.3 7 937 1219 235 21 17.2 12.0 | 67 12 -11.3 -4.7 8 859 1829 225 25 17.7 17.7 | 95 11 -10.8 0.9 9 822 2134 225 27 19.1 19.1 | 104 10 -9.4 2.3 10 787 2438 225 29 20.5 20.5 | 115 9 -8.0 3.7 11 754 2743 220 29 18.6 22.2 | 119 11 -9.9 5.4 12 661 3658 200 58 19.8 54.5 | 167 39 -8.7 37.7 13 606 4267 205 64 27.0 58.0 | 178 41 -1.5 41.2 14 555 4877 195 67 17.3 64.7 | 167 49 -11.2 47.9 15 466 6096 205 68 28.7 61.6 | 180 45 0.2 44.9 16 409 7010 200 113 38.6 106.2 | 186 90 10.1 89.4 17 375 7620 200 112 38.3 105.2 | 186 89 9.8 88.5 18 344 8230 205 118 49.9 106.9 | 193 93 21.4 90.2 19 302 9144 205 119 50.3 107.9 | 193 94 21.8 91.1 20 300 9180 205 121 51.1 109.7 | 194 96 22.6 92.9 21 267 9957 205 126 53.2 114.2 | 194 101 24.7 97.4 22 265 10007 210 126 63.0 109.1 | 200 99 34.5 92.3 23 263 10058 205 126 53.2 114.2 | 194 101 24.7 97.4 24 250 10390 210 98 49.0 84.9 | 197 71 20.5 68.1 25 240 10668 210 87 43.5 75.3 | 194 60 15.0 58.6 26 229 10973 200 70 23.9 65.8 | 175 49 -4.6 49.0 27 219 11278 200 81 27.7 76.1 | 179 59 -0.8 59.3 28 200 11870 195 71 18.4 68.6 | 169 53 -10.1 51.8 29 182 12497 195 61 15.8 58.9 | 163 44 -12.7 42.1 30 158 13411 205 67 28.3 60.7 | 180 44 -0.2 43.9 31 150 13740 215 56 32.1 45.9 | 187 29 3.6 29.1 32 143 14021 225 46 32.5 32.5 | 194 16 4.0 15.8 33 137 14326 210 32 16.0 27.7 | 131 17 -12.5 10.9 34 130 14630 205 33 13.9 29.9 | 132 20 -14.6 13.1 35 124 14935 220 45 28.9 34.5 | 181 18 0.4 17.7 36 118 15240 220 29 18.6 22.2 | 119 11 -9.9 5.4 37 113 15545 210 19 9.5 16.5 | 89 19 -19.0 -0.3 38 102 16154 210 32 16.0 27.7 | 131 17 -12.5 10.9 39 100 16300 220 20 12.9 15.3 | 85 16 -15.7 -1.5 40 97 16459 225 30 21.2 21.2 | 121 9 -7.3 4.4 41 93 16764 230 21 16.1 13.5 | 75 13 -12.4 -3.3 42 88 17069 180 16 0.0 16.0 | 88 29 -28.5 -0.8 43 84 17374 180 19 0.0 19.0 | 94 29 -28.5 2.2 44 80 17678 225 21 14.8 14.8 | 82 14 -13.7 -1.9 45 76 17983 195 14 3.6 13.5 | 83 25 -24.9 -3.3 46 73 18288 200 12 4.1 11.3 | 77 25 -24.4 -5.5 47 70 18520 170 14 -2.4 13.8 | 84 31 -30.9 -3.0 48 69 18593 140 12 -7.7 9.2 | 78 37 -36.2 -7.6 49 63 19202 225 18 12.7 12.7 | 76 16 -15.8 -4.0 50 57 19812 265 25 24.9 2.2 | 14 15 -3.6 -14.6 51 54 20117 270 23 23.0 -0.0 | 18 18 -5.5 -16.8 52 52 20422 320 12 7.7 -9.2 | 39 33 -20.8 -26.0 53 50 20610 190 2 0.3 2.0 | 62 32 -28.2 -14.8 54 47 21031 195 2 0.5 1.9 | 62 32 -28.0 -14.8 55 44 21336 270 7 7.0 -0.0 | 52 27 -21.5 -16.8 56 36 22555 240 10 8.7 5.0 | 59 23 -19.9 -11.8 57 35 22860 320 10 6.4 -7.7 | 42 33 -22.1 -24.4 58 33 23165 280 10 9.8 -1.7 | 45 26 -18.7 -18.5 59 31 23470 315 10 7.1 -7.1 | 42 32 -21.4 -23.8 60 30 23760 260 15 14.8 2.6 | 44 20 -13.7 -14.2 61 30 23774 260 10 9.8 1.7 | 51 24 -18.7 -15.0 62 28 24079 260 15 14.8 2.6 | 44 20 -13.7 -14.2 63 27 24384 290 18 16.9 -6.2 | 27 26 -11.6 -22.9 64 26 24689 290 19 17.9 -6.5 | 25 26 -10.7 -23.3 65 25 24994 250 14 13.2 4.8 | 52 19 -15.4 -12.0 66 22 25603 275 34 33.9 -3.0 | 345 20 5.4 -19.7 67 21 25908 290 26 24.4 -8.9 | 9 26 -4.1 -25.7 68 20 26250 305 18 14.7 -10.3 | 27 30 -13.8 -27.1 69 19 26518 305 18 14.7 -10.3 | 27 30 -13.8 -27.1 70 18 26822 285 22 21.3 -5.7 | 18 24 -7.3 -22.5 71 16 27432 315 22 15.6 -15.6 | 22 35 -13.0 -32.3 72 16 27737 305 21 17.2 -12.0 | 21 31 -11.3 -28.8 73 15 28042 325 21 12.0 -17.2 | 26 38 -16.5 -34.0 74 14 28346 310 22 16.9 -14.1 | 21 33 -11.7 -30.9 75 13 28956 275 18 17.9 -1.6 | 30 21 -10.6 -18.3 76 12 29261 280 36 35.5 -6.3 | 343 24 6.9 -23.0 77 11 29870 290 28 26.3 -9.6 | 5 26 -2.2 -26.4 78 10 30470 265 38 37.9 3.3 | 325 16 9.3 -13.5 Wind Parameters Mean winds (0-6000m): 209.5 at 44.1 knts Storm direction: 239.5 at 33.1 knts Storm rel Dir Shear (0-3000m): 99.5 deg Energy-Hel index: -0.84 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 ------------------------------------------------------------------------------- 500 249 21 44 13| | | 1000 243 21 53 12| | | 1500 238 22 62 12| | | 2000 233 23 73 11| | | 2500 227 24 88 11| | | 3000 223 26 100 11| | | 4000 217 31 127 13| | | 5000 213 37 149 17| | | 6000 210 44 163 23| | | Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251021.00.gif