UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for CYAH... Searching the city database file for: CYAH ... Date:1200Z 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 122 SFC 978 306 1.4 1.1 98 0.3 1.3 80 3 276.3 277.0 275.5 287.8 4.23 2 974 339 2.2 0.3 87 1.9 1.4 79 3 277.4 278.1 275.9 288.4 4.01 3 925 750 -1.3 -1.3 100 0.0 -1.3 75 7 278.0 278.6 275.8 288.3 3.75 4 922 776 -1.3 -1.3 100 0.0 -1.3 67 7 278.2 278.9 276.0 288.6 3.77 5 893 1031 -0.5 -2.2 88 1.7 -1.2 25 8 281.6 282.2 277.6 291.8 3.64 6 865 1285 -1.9 -2.4 96 0.5 -2.1 23 10 282.7 283.4 278.2 293.2 3.70 7 850 1424 -1.9 -3.7 87 1.8 -2.6 20 11 284.2 284.7 278.6 293.9 3.42 8 847 1452 -1.9 -4.1 85 2.2 -2.8 13 11 284.4 285.0 278.6 293.9 3.33 9 813 1779 0.2 -5.8 64 6.0 -2.2 8 7 290.0 290.6 280.8 299.0 3.05 10 775 2162 -0.9 -6.9 64 6.0 -3.3 341 7 292.8 293.4 282.0 301.6 2.94 11 751 2414 0.2 -13.8 34 14.0 -4.6 258 9 296.7 297.0 282.2 302.1 1.75 12 744 2489 0.2 -16.8 27 17.0 -5.2 244 8 297.5 297.7 282.1 301.8 1.38 13 700 2976 -0.9 -19.9 22 19.0 -6.6 185 6 301.5 301.7 283.4 305.1 1.12 14 691 3079 -0.9 -22.9 17 22.0 -7.1 180 8 302.6 302.8 283.6 305.5 0.88 15 690 3091 -0.9 -22.9 17 22.0 -7.1 179 8 302.7 302.9 283.7 305.6 0.88 16 618 3962 -5.7 -39.7 5 34.0 -11.8 228 10 306.9 307.0 284.4 307.6 0.20 17 604 4142 -4.9 -42.9 3 38.0 -11.5 217 14 309.9 309.9 285.5 310.4 0.14 18 500 5600 -14.9 -47.9 4 33.0 -19.1 280 18 314.9 314.9 287.2 315.3 0.10 19 464 6159 -18.5 -52.5 3 34.0 -22.1 268 23 317.2 317.2 287.9 317.4 0.06 20 400 7240 -28.7 -53.7 7 25.0 -30.5 245 26 317.7 317.7 288.1 317.9 0.06 21 392 7384 -29.7 -57.7 5 28.0 -31.4 241 26 318.2 318.2 288.2 318.4 0.04 22 360 7983 -34.9 -46.9 28 12.0 -35.8 231 27 319.1 319.1 288.6 319.7 0.16 23 319 8815 -40.5 -57.5 14 17.0 -41.2 218 38 322.6 322.6 289.6 322.8 0.05 24 300 9230 -43.1 -49.1 52 6.0 -43.4 220 55 324.6 324.6 290.3 325.2 0.15 25 289 9481 -44.3 -49.3 57 5.0 -44.6 215 62 326.4 326.4 290.9 327.0 0.15 26 286 9551 -44.5 -52.5 41 8.0 -44.9 214 64 327.1 327.1 291.0 327.5 0.10 27 266 10033 -48.5 -53.5 56 5.0 -48.7 209 71 328.1 328.1 291.3 328.5 0.10 28 251 10414 -50.5 -58.5 38 8.0 -50.7 205 78 330.6 330.6 291.9 330.8 0.06 29 250 10440 -50.1 -59.1 34 9.0 -50.4 205 78 331.6 331.6 292.2 331.8 0.05 30 248 10493 -49.1 -65.1 14 16.0 -49.5 205 78 333.8 333.8 292.8 333.9 0.02 31 244 10600 -48.1 -67.1 9 19.0 -48.6 205 77 336.9 336.9 293.6 337.0 0.02 32 234 10876 -50.2 -67.7 11 17.5 -50.5 205 79 337.8 337.8 293.8 337.9 0.02 33 206 11701 -56.5 -69.5 18 13.0 -56.7 205 68 340.4 340.4 294.4 340.5 0.02 34 201 11858 -54.3 -77.3 4 23.0 -54.6 209 58 346.3 346.3 295.8 346.3 0.01 35 200 11890 -54.7 -76.7 5 22.0 -55.0 210 56 346.1 346.1 295.8 346.2 0.01 36 171 12878 -58.3 -77.3 7 19.0 -58.5 213 47 356.0 356.0 297.9 356.1 0.01 37 162 13216 -58.7 -79.7 5 21.0 -58.9 216 43 360.9 360.9 298.9 360.9 0.00 38 158 13373 -56.9 -81.9 3 25.0 -57.2 217 41 366.6 366.6 299.9 366.6 0.00 39 150 13700 -57.3 -83.3 2 26.0 -57.6 220 37 371.4 371.4 300.8 371.4 0.00 40 138 14228 -56.1 -84.1 2 28.0 -56.5 225 33 382.4 382.4 302.6 382.4 0.00 41 120 15109 -59.5 -85.5 2 26.0 -59.7 232 21 391.8 391.8 304.0 391.8 0.00 42 116 15322 -58.3 -85.3 2 27.0 -58.6 216 16 397.8 397.8 304.9 397.8 0.00 43 103 16066 -60.5 -85.5 2 25.0 -60.8 201 34 407.4 407.4 306.2 407.4 0.00 44 100 16250 -59.7 -85.7 2 26.0 -60.0 225 34 412.4 412.4 306.8 412.4 0.00 45 92 16773 -58.7 -85.7 2 27.0 -59.1 250 22 424.3 424.3 308.2 424.3 0.00 46 77 17881 -62.9 -87.9 2 25.0 -63.1 210 17 437.7 437.7 309.7 437.7 0.00 47 70 18470 -61.3 -88.3 2 27.0 -61.7 210 14 453.2 453.2 311.1 453.3 0.00 48 55 19976 -59.3 -88.3 1 29.0 -59.9 245 14 490.2 490.2 314.2 490.2 0.00 49 50 20570 -61.7 -88.7 2 27.0 -62.1 205 9 498.1 498.1 314.8 498.1 0.00 50 44 21356 -63.7 -89.7 2 26.0 -64.1 239 10 511.7 511.7 315.8 511.8 0.00 51 30 23710 -61.9 -89.9 1 28.0 -62.6 295 15 575.9 575.9 319.5 575.9 0.00 52 20 26190 -66.3 -91.3 2 25.0 -66.9 325 21 633.2 633.2 322.0 633.3 0.00 53 19 26499 -67.3 -92.3 2 25.0 -67.9 314 26 639.5 639.5 322.3 639.5 0.00 54 13 28803 -63.3 -91.3 1 28.0 -64.6 304 22 726.6 726.6 325.3 726.7 0.01 55 10 30410 -63.9 -90.9 1 27.0 -65.4 290 33 781.0 781.0 326.8 781.1 0.01 56 8.0 31780 -63.3 -91.3 1 28.0 -65.3 834.9 834.9 328.1 835.0 0.01 57 7.8 31935 -63.9 -90.9 1 27.0 -65.8 838.5 838.6 328.1 838.6 0.01 58 7.0 32606 -59.3 -89.3 1 30.0 -62.5 883.9 883.9 329.1 884.1 0.02 59 5.5 34127 -56.1 -88.1 1 32.0 -61.1 961.2 961.2 330.5 961.5 0.03 TRP 206 11701 -56.5 -69.5 18 13.0 -56.7 205 68 340.4 340.4 294.4 340.5 0.02 WND 234 10876 -50.2 -67.7 11 17.5 -50.5 205 79 337.8 337.8 293.8 337.9 0.02 Sounding variables and indices 1000-500 mb thick: 5478.00 m Freezing level: 943.20 mb = 597.27 m = 1959.52 ft Freezing level: 816.24 mb = 1748.01 m = 5734.87 ft Freezing level: 806.09 mb = 1848.76 m = 6065.40 ft Freezing level: 755.36 mb = 2367.77 m = 7768.17 ft Freezing level: 736.00 mb = 2577.17 m = 8455.18 ft Wetbulb zero: 949.14 mb = 544.77 m = 1787.27 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 37.40 % Est. max temperature: 12.55 C = 54.59 F Sfc-Lift cond lev (LCL): 973.33 mb = 344.26 m = 1129.43 ft T: 2.15 C 700-500 lapse rate: 5.34 C/km ThetaE index: 0.29 C Layer 744.0- 700.0 mb Conv cond level (CCL): 927.49 mb = 728.60 m = 2390.40 ft Mean mixing ratio: 3.80 g/kg Conv temperature: 3.04 C = 37.47 F Cap Strength: 19.87 C Lifted Index: 21.70 C Risk: None Lifted Index @300 mb: 24.91 C Lifted Index @700 mb: 15.02 C Showalter Index: 18.42 C Risk: None Total Totals Index: 24.20 C Risk: None Vertical Totals Index: 13.00 C Cross Totals Index: 11.20 C K Index: -9.70 Risk: None Sweat Index: 40.00 Risk: None Energy Index: 4.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.85 J/kg Max Up Vert Vel: 6.76 m/s Conv Inhibition (B-): 63985.43 J/kg Cap Strength: 21.62 C Lift Cond Lev (LCL): 912.58 mb = 857.86 m = 2814.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 8 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 ---------------------------------------------------------- 0 978 306 80 3 -3.0 -0.5 | 92 11 -10.6 0.4 1 941 610 75 7 -6.8 -1.8 | 86 14 -14.4 -0.9 2 925 750 75 7 -6.8 -1.8 | 86 14 -14.4 -0.9 3 906 914 25 7 -3.0 -6.3 | 63 12 -10.6 -5.4 4 872 1219 25 9 -3.8 -8.2 | 58 14 -11.5 -7.2 5 850 1424 20 11 -3.8 -10.3 | 50 15 -11.4 -9.4 6 839 1524 355 11 1.0 -11.0 | 34 12 -6.7 -10.1 7 808 1829 10 6 -1.0 -5.9 | 60 10 -8.7 -5.0 8 778 2134 350 7 1.2 -6.9 | 47 9 -6.4 -6.0 9 749 2438 250 9 8.5 3.1 | 191 4 0.8 4.0 10 721 2743 215 5 2.9 4.1 | 136 7 -4.8 5.0 11 700 2976 185 6 0.5 6.0 | 134 10 -7.1 6.9 12 667 3353 165 13 -3.4 12.6 | 141 17 -11.0 13.5 13 641 3658 195 6 1.6 5.8 | 138 9 -6.1 6.7 14 617 3962 230 10 7.7 6.4 | 180 7 0.0 7.3 15 593 4267 205 18 7.6 16.3 | 180 17 -0.1 17.2 16 570 4572 185 14 1.2 13.9 | 157 16 -6.4 14.9 17 549 4877 185 4 0.3 4.0 | 124 9 -7.3 4.9 18 507 5486 280 10 9.8 -1.7 | 291 2 2.2 -0.8 19 500 5600 280 18 17.7 -3.1 | 282 10 10.1 -2.2 20 467 6096 265 22 21.9 1.9 | 259 15 14.3 2.8 21 448 6401 280 25 24.6 -4.3 | 281 17 17.0 -3.4 22 400 7240 245 26 23.6 11.0 | 233 20 15.9 11.9 23 379 7620 235 27 22.1 15.5 | 221 22 14.5 16.4 24 362 7925 230 27 20.7 17.4 | 215 22 13.0 18.3 25 332 8534 245 32 29.0 13.5 | 236 26 21.3 14.4 26 317 8839 215 39 22.4 31.9 | 204 36 14.7 32.9 27 304 9144 215 45 25.8 36.9 | 206 42 18.2 37.8 28 300 9230 220 55 35.4 42.1 | 213 51 27.7 43.0 29 290 9449 215 62 35.6 50.8 | 208 59 27.9 51.7 30 250 10440 205 78 33.0 70.7 | 199 76 25.3 71.6 31 242 10668 205 77 32.5 69.8 | 199 75 24.9 70.7 32 234 10876 205 79 33.4 71.6 | 200 77 25.7 72.5 33 231 10973 205 79 33.4 71.6 | 200 77 25.7 72.5 34 206 11701 205 68 28.7 61.6 | 199 66 21.1 62.5 35 200 11890 210 56 28.0 48.5 | 202 53 20.3 49.4 36 191 12192 210 50 25.0 43.3 | 201 47 17.3 44.2 37 182 12497 210 52 26.0 45.0 | 202 49 18.3 45.9 38 150 13700 220 37 23.8 28.3 | 209 33 16.1 29.3 39 143 14021 215 39 22.4 31.9 | 204 36 14.7 32.9 40 136 14326 230 30 23.0 19.3 | 217 25 15.3 20.2 41 129 14630 220 27 17.4 20.7 | 204 24 9.7 21.6 42 123 14935 240 27 23.4 13.5 | 228 21 15.7 14.4 43 117 15240 225 16 11.3 11.3 | 197 13 3.7 12.2 44 112 15545 190 15 2.6 14.8 | 162 16 -5.1 15.7 45 107 15850 180 23 0.0 23.0 | 162 25 -7.7 23.9 46 102 16154 210 38 19.0 32.9 | 199 36 11.3 33.8 47 100 16250 225 34 24.0 24.0 | 213 30 16.4 24.9 48 97 16459 225 34 24.0 24.0 | 213 30 16.4 24.9 49 92 16764 250 22 20.7 7.5 | 237 16 13.0 8.4 50 88 17069 245 12 10.9 5.1 | 208 7 3.2 6.0 51 83 17374 185 16 1.4 15.9 | 160 18 -6.3 16.8 52 79 17678 220 16 10.3 12.3 | 191 13 2.6 13.2 53 76 17983 205 18 7.6 16.3 | 180 17 -0.1 17.2 54 72 18288 175 14 -1.2 13.9 | 149 17 -8.9 14.9 55 70 18470 210 14 7.0 12.1 | 177 13 -0.7 13.0 56 65 18898 240 14 12.1 7.0 | 209 9 4.5 7.9 57 62 19202 190 2 0.3 2.0 | 111 8 -7.3 2.9 58 56 19812 210 10 5.0 8.7 | 164 10 -2.7 9.6 59 54 20117 275 18 17.9 -1.6 | 274 10 10.3 -0.7 60 51 20422 285 19 18.4 -4.9 | 291 11 10.7 -4.0 61 50 20570 205 9 3.8 8.2 | 157 10 -3.9 9.1 62 49 20726 245 5 4.5 2.1 | 134 4 -3.1 3.0 63 44 21336 240 10 8.7 5.0 | 190 6 1.0 5.9 64 36 22555 160 2 -0.7 1.9 | 108 9 -8.3 2.8 65 34 22860 230 10 7.7 6.4 | 180 7 0.0 7.3 66 33 23165 255 24 23.2 6.2 | 245 17 15.5 7.1 67 31 23470 300 16 13.9 -8.0 | 319 9 6.2 -7.1 68 30 23710 295 15 13.6 -6.3 | 312 8 5.9 -5.4 69 30 23774 280 5 4.9 -0.9 | 91 3 -2.7 0.0 70 28 24079 300 16 13.9 -8.0 | 319 9 6.2 -7.1 71 27 24384 290 10 9.4 -3.4 | 325 3 1.7 -2.5 72 26 24689 315 15 10.6 -10.6 | 343 10 2.9 -9.7 73 23 25298 275 12 12.0 -1.0 | 272 4 4.3 -0.1 74 21 25908 295 11 10.0 -4.6 | 328 4 2.3 -3.7 75 20 26190 325 21 12.0 -17.2 | 345 17 4.4 -16.3 76 20 26213 290 21 19.7 -7.2 | 297 14 12.1 -6.3 77 19 26518 315 26 18.4 -18.4 | 328 21 10.7 -17.5 78 18 26822 325 16 9.2 -13.1 | 353 12 1.5 -12.2 79 17 27127 320 16 10.3 -12.3 | 347 12 2.6 -11.3 80 16 27432 285 14 13.5 -3.6 | 295 6 5.9 -2.7 81 15 28042 320 18 11.6 -13.8 | 343 13 3.9 -12.9 82 14 28346 275 18 17.9 -1.6 | 274 10 10.3 -0.7 83 13 28651 305 21 17.2 -12.0 | 319 15 9.5 -11.1 84 12 29261 300 23 19.9 -11.5 | 311 16 12.3 -10.6 85 11 29566 280 29 28.6 -5.0 | 281 21 20.9 -4.1 86 11 29870 305 25 20.5 -14.3 | 316 19 12.8 -13.4 87 10 30175 270 26 26.0 -0.0 | 267 18 18.3 0.9 88 10 30410 290 33 31.0 -11.3 | 294 26 23.4 -10.4 Wind Parameters Mean winds (0-6000m): 246.8 at 10.3 knts Storm direction: 276.8 at 7.7 knts Shear (0-3000m) pos: 0.0 neg: 2.1 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 49.0 deg Storm rel helicity (0-3000m) pos: 15.5 neg: -63.3 tot: -47.9 m^2/s^2 ave: -16.0 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 9.6 stream: -4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.67 Bulk Shear: 34.01 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 75 6 87 13| 0.0 4.5 4.5| 0.0 -11.6 -11.6 -23.2 -0.53| 6.3 -3.3 1000 47 7 73 13| 0.0 4.4 4.4| 0.0 -30.0 -30.0 -30.0 -0.68| 6.6 -4.4 1500 30 8 63 13| 0.0 2.1 2.1| 12.0 -45.4 -33.4 -22.3 -0.39| 7.8 -3.0 2000 20 8 59 12| 0.0 2.8 2.8| 12.0 -55.1 -43.2 -21.6 -0.45| 8.4 -3.7 2500 10 7 54 11| 0.0 1.5 1.5| 12.0 -63.0 -51.0 -20.4 -0.57| 9.7 -5.6 3000 17 8 57 12| 0.0 2.1 2.1| 15.5 -63.3 -47.9 -16.0 -0.46| 9.6 -4.5 4000 208 8 156 9| 1.1 2.8 3.9| 32.1 -72.9 -40.9 -10.2 -0.27| 10.2 -2.8 5000 203 9 154 10| 1.7 1.3 3.0| 41.8-117.7 -75.8 -15.2 -0.27| 10.5 -2.9 6000 247 10 200 5| 2.8 1.1 3.9| 61.4-134.2 -72.7 -12.1 -0.19| 10.8 -2.1 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20251021.12.gif