UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 26 APR 25 Station: CYBK WMO ident: 71926 Latitude: 64.32 Longitude: -96.00 Elevation: 51.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1017 51 -16.5 -20.1 74 3.6 -17.1 325 16 255.4 255.5 255.0 257.5 0.76 1 1000 176 -18.1 -21.0 78 2.9 -18.5 320 20 255.1 255.2 254.6 257.0 0.72 2 925 752 -23.3 -23.8 96 0.5 -23.4 310 17 255.5 255.6 254.8 257.1 0.60 3 916 824 -21.3 -24.2 77 2.9 -21.7 310 17 258.2 258.3 257.0 259.9 0.59 4 850 1375 -21.9 -26.9 64 5.0 -22.5 310 18 263.2 263.3 260.7 264.6 0.50 5 804 1784 -22.7 -28.7 58 6.0 -23.4 310 25 266.6 266.6 263.1 267.9 0.44 6 784 1969 -21.5 -29.5 48 8.0 -22.5 308 29 269.8 269.9 265.4 271.0 0.42 7 780 2007 -21.1 -28.1 53 7.0 -22.0 307 30 270.6 270.7 266.0 272.0 0.48 8 700 2801 -24.1 -31.1 52 7.0 -24.9 300 33 275.8 275.9 269.3 277.0 0.41 9 670 3120 -25.7 -30.2 66 4.5 -26.2 298 40 277.5 277.6 270.5 278.9 0.46 10 651 3328 -26.9 -32.9 57 6.0 -27.5 297 45 278.4 278.5 270.9 279.6 0.37 11 643 3418 -27.1 -36.1 42 9.0 -27.9 296 47 279.2 279.2 271.1 280.0 0.27 12 626 3611 -28.1 -36.1 46 8.0 -28.8 295 51 280.2 280.2 271.8 281.1 0.28 13 624 3634 -28.1 -39.1 34 11.0 -29.0 295 51 280.4 280.5 271.8 281.1 0.21 14 622 3657 -27.9 -44.9 18 17.0 -29.0 295 52 280.9 280.9 271.9 281.3 0.11 15 619 3691 -27.9 -45.9 16 18.0 -29.1 295 53 281.3 281.3 272.1 281.6 0.10 16 606 3844 -26.7 -50.7 8 24.0 -28.2 295 56 284.4 284.4 273.8 284.6 0.06 17 598 3940 -26.9 -42.9 21 16.0 -28.2 295 58 285.3 285.3 274.4 285.7 0.14 18 581 4149 -27.3 -52.3 7 25.0 -28.7 295 63 287.2 287.2 275.3 287.3 0.05 19 571 4274 -27.5 -48.5 12 21.0 -28.9 295 66 288.3 288.4 275.9 288.6 0.08 20 508 5108 -32.1 -46.1 24 14.0 -33.0 295 79 292.6 292.6 278.2 293.0 0.12 21 500 5220 -32.7 -48.7 19 16.0 -33.6 295 80 293.2 293.2 278.4 293.5 0.09 22 447 6000 -36.9 -59.9 7 23.0 -37.7 295 95 297.4 297.4 280.3 297.5 0.03 23 413 6542 -39.7 -55.7 17 16.0 -40.3 295 102 300.6 300.6 281.7 300.8 0.05 24 410 6592 -39.9 -51.9 27 12.0 -40.4 295 103 301.0 301.0 281.9 301.3 0.08 25 400 6760 -40.9 -52.9 26 12.0 -41.4 295 105 301.8 301.8 282.2 302.1 0.07 26 377 7161 -43.4 -55.8 24 12.5 -43.7 295 107 303.7 303.7 283.0 303.9 0.05 27 353 7601 -46.1 -59.1 22 13.0 -46.4 300 104 305.8 305.8 283.8 306.0 0.04 28 334 7969 -47.5 -61.5 19 14.0 -47.8 295 97 308.8 308.8 284.9 308.9 0.03 29 316 8335 -47.1 -73.1 4 26.0 -47.5 298 84 314.3 314.3 286.8 314.3 0.01 30 300 8680 -46.5 -71.5 4 25.0 -47.0 300 72 319.8 319.8 288.7 319.8 0.01 31 250 9890 -44.9 -78.9 1 34.0 -45.6 300 48 339.3 339.3 294.1 339.3 0.00 32 240 10165 -43.9 -78.9 1 35.0 -44.7 300 45 344.8 344.8 295.5 344.8 0.00 33 207 11159 -45.7 -80.7 1 35.0 -46.4 288 35 356.9 356.9 298.1 356.9 0.00 34 200 11390 -45.1 -80.1 1 35.0 -45.9 295 31 361.4 361.4 299.0 361.4 0.00 35 197 11491 -44.7 -80.7 1 36.0 -45.6 296 30 363.6 363.6 299.4 363.6 0.00 36 184 11943 -46.7 -81.7 1 35.0 -47.4 299 25 367.5 367.5 300.1 367.5 0.00 37 174 12314 -44.5 -81.5 1 37.0 -45.5 293 26 377.0 377.0 301.8 377.0 0.00 38 150 13300 -46.3 -81.3 1 35.0 -47.3 300 15 390.3 390.3 303.8 390.3 0.00 39 147 13434 -47.3 -82.3 1 35.0 -48.1 297 16 390.8 390.8 303.9 390.8 0.00 40 142 13663 -46.1 -82.1 1 36.0 -47.1 271 14 396.8 396.8 304.8 396.8 0.00 41 133 14096 -47.5 -82.5 1 35.0 -48.4 276 17 401.8 401.8 305.5 401.8 0.00 42 129 14298 -46.3 -82.3 1 36.0 -47.4 266 16 407.5 407.5 306.2 407.5 0.00 43 102 15850 -48.1 -83.1 1 35.0 -49.2 275 13 432.3 432.3 309.1 432.4 0.00 44 100 15980 -47.7 -83.7 1 36.0 -48.9 270 13 435.6 435.6 309.4 435.6 0.00 45 95 16318 -48.5 -83.5 1 35.0 -49.7 267 15 440.4 440.4 309.9 440.4 0.00 46 89 16750 -46.7 -83.7 1 37.0 -48.1 298 16 452.3 452.3 311.1 452.3 0.00 47 71 18237 -50.3 -85.3 1 35.0 -51.5 327 10 474.8 474.8 313.0 474.9 0.00 48 70 18330 -50.1 -85.1 1 35.0 -51.4 300 11 477.2 477.2 313.2 477.2 0.00 49 61 19234 -46.7 -83.7 1 37.0 -48.7 274 10 503.9 503.9 315.2 504.0 0.01 50 50 20550 -46.9 -83.9 1 37.0 -49.2 310 13 532.9 532.9 317.1 533.0 0.01 51 34 23089 -49.7 -85.7 1 36.0 -52.1 347 3 587.7 587.7 320.0 587.8 0.01 52 30 23910 -48.5 -85.5 1 37.0 -51.5 340 4 612.4 612.4 321.2 612.5 0.01 53 22 25951 -46.7 -84.7 1 38.0 -51.0 86 11 674.6 674.6 323.6 674.7 0.01 54 20 26580 -47.5 -85.5 1 38.0 -51.8 60 11 690.8 690.8 324.1 690.9 0.01 55 13 29426 -48.7 -85.7 1 37.0 -53.9 40 10 777.2 777.2 326.7 777.4 0.02 56 10 31170 -44.5 -84.5 0 40.0 -52.5 50 19 853.4 853.5 328.5 853.7 0.03 57 8.7 32101 -45.5 -84.5 0 39.0 -53.5 884.2 884.2 329.1 884.6 0.04 58 7.0 33565 -40.9 -81.9 0 41.0 -52.4 960.0 960.0 330.5 960.7 0.07 59 5.3 35450 -42.7 -82.7 0 40.0 -54.5 1031.4 1031.5 331.6 1032.3 0.08 60 4.7 36274 -35.3 -78.3 0 43.0 -52.4 1101.8 1101.9 332.7 1104.2 0.19 61 4.6 36424 -35.7 -78.7 0 43.0 -52.7 1106.7 1106.8 332.8 1109.0 0.18 TRP 334 7969 -47.5 -61.5 19 14.0 -47.8 295 97 308.8 308.8 284.9 308.9 0.03 WND 377 7161 -43.4 -55.8 24 12.5 -43.7 295 107 303.7 303.7 283.0 303.9 0.05 Sounding variables and indices 1000-500 mb thick: 5044.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 48.96 % Est. max temperature: -10.00 C = 14.00 F Sfc-Lift cond lev (LCL): 958.85 mb = 486.48 m = 1596.05 ft T: -20.90 C 700-500 lapse rate: 3.56 C/km ThetaE index: 0.48 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 935.25 mb = 670.55 m = 2199.95 ft Mean mixing ratio: 0.67 g/kg Conv temperature: -16.48 C = 2.33 F Cap Strength: 29.20 C Lifted Index: 29.57 C Risk: None Lifted Index @300 mb: 44.36 C Lifted Index @700 mb: 17.19 C Showalter Index: 23.53 C Risk: None Total Totals Index: 16.60 C Risk: None Vertical Totals Index: 10.80 C Cross Totals Index: 5.80 C K Index: -23.10 Risk: None Sweat Index: 116.00 Risk: None Energy Index: 6.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.47 J/kg Max Up Vert Vel: 2.63 m/s Conv Inhibition (B-): 105864.23 J/kg Cap Strength: 29.31 C Lift Cond Lev (LCL): 935.94 mb = 665.15 m = 2182.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 36 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 1017 51 325 16 9.2 -13.1 | 150 20 -9.7 17.0 1 1000 176 320 20 12.9 -15.3 | 158 16 -6.0 14.8 2 983 305 315 21 14.8 -14.8 | 165 16 -4.0 15.3 3 943 610 310 15 11.5 -9.6 | 160 22 -7.3 20.5 4 925 752 310 17 13.0 -10.9 | 163 20 -5.8 19.2 5 905 914 310 18 13.8 -11.6 | 165 19 -5.1 18.6 6 868 1219 300 17 14.7 -8.5 | 169 22 -4.1 21.6 7 850 1375 310 18 13.8 -11.6 | 165 19 -5.1 18.6 8 833 1524 310 19 14.6 -12.2 | 167 18 -4.3 17.9 9 799 1829 310 26 19.9 -16.7 | 185 13 1.1 13.4 10 767 2134 305 33 27.0 -18.9 | 216 14 8.2 11.2 11 735 2438 300 36 31.2 -18.0 | 225 17 12.3 12.1 12 706 2743 305 32 26.2 -18.4 | 212 14 7.4 11.8 13 700 2801 300 33 28.6 -16.5 | 216 17 9.7 13.6 14 621 3658 295 52 47.1 -22.0 | 254 29 28.3 8.2 15 571 4267 295 66 59.8 -27.9 | 267 41 41.0 2.2 16 547 4572 295 73 66.2 -30.9 | 271 47 47.3 -0.7 17 524 4877 295 77 69.8 -32.5 | 273 51 50.9 -2.4 18 500 5220 295 80 72.5 -33.8 | 274 54 53.7 -3.7 19 440 6096 295 97 87.9 -41.0 | 279 70 69.1 -10.9 20 400 6760 295 105 95.2 -44.4 | 281 78 76.3 -14.2 21 377 7161 295 107 97.0 -45.2 | 281 80 78.1 -15.1 22 368 7315 295 107 97.0 -45.2 | 281 80 78.1 -15.1 23 352 7620 300 104 90.1 -52.0 | 287 75 71.2 -21.9 24 334 7969 295 97 87.9 -41.0 | 279 70 69.1 -10.9 25 300 8680 300 72 62.4 -36.0 | 278 44 43.5 -5.9 26 280 9144 300 61 52.8 -30.5 | 271 34 34.0 -0.4 27 255 9754 300 51 44.2 -25.5 | 260 26 25.3 4.6 28 250 9890 300 48 41.6 -24.0 | 255 24 22.7 6.1 29 223 10668 300 39 33.8 -19.5 | 235 18 14.9 10.6 30 203 11278 285 34 32.8 -8.8 | 213 26 14.0 21.3 31 200 11390 295 31 28.1 -13.1 | 209 19 9.3 17.0 32 186 11887 300 25 21.7 -12.5 | 189 18 2.8 17.6 33 162 12802 285 28 27.0 -7.2 | 200 24 8.2 22.9 34 154 13106 315 24 17.0 -17.0 | 172 13 -1.9 13.2 35 150 13300 300 15 13.0 -7.5 | 166 23 -5.8 22.6 36 147 13411 300 16 13.9 -8.0 | 167 23 -5.0 22.1 37 141 13716 265 13 13.0 1.1 | 169 32 -5.9 31.3 38 135 14021 280 17 16.7 -3.0 | 176 27 -2.1 27.2 39 128 14326 265 16 15.9 1.4 | 175 32 -2.9 31.5 40 117 14935 305 13 10.6 -7.5 | 160 24 -8.2 22.7 41 112 15240 300 14 12.1 -7.0 | 164 24 -6.7 23.1 42 100 15980 270 13 13.0 -0.0 | 169 31 -5.8 30.1 43 97 16154 270 13 13.0 -0.0 | 169 31 -5.8 30.1 44 93 16459 265 17 16.9 1.5 | 177 32 -1.9 31.6 45 89 16764 300 16 13.9 -8.0 | 167 23 -5.0 22.1 46 85 17069 315 14 9.9 -9.9 | 156 22 -8.9 20.2 47 81 17374 255 10 9.7 2.6 | 164 34 -9.2 32.7 48 74 17983 290 10 9.4 -3.4 | 161 28 -9.4 26.7 49 70 18288 335 10 4.2 -9.1 | 145 26 -14.6 21.1 50 70 18330 300 11 9.5 -5.5 | 159 26 -9.3 24.6 51 67 18593 295 10 9.1 -4.2 | 159 28 -9.8 25.9 52 56 19812 255 10 9.7 2.6 | 164 34 -9.2 32.7 53 53 20117 0 0 -0.0 -0.0 | 148 36 -18.8 30.1 54 50 20550 310 13 10.0 -8.4 | 158 24 -8.9 21.8 55 49 20726 300 10 8.7 -5.0 | 158 27 -10.2 25.1 56 46 21031 315 14 9.9 -9.9 | 156 22 -8.9 20.2 57 44 21336 80 7 -6.9 -1.2 | 138 39 -25.7 28.9 58 42 21641 0 0 -0.0 -0.0 | 148 36 -18.8 30.1 59 30 23910 340 4 1.4 -3.8 | 146 32 -17.5 26.4 60 27 24689 35 10 -5.7 -8.2 | 132 33 -24.6 21.9 61 25 24994 45 13 -9.2 -9.2 | 127 35 -28.0 20.9 62 24 25298 70 10 -9.4 -3.4 | 133 39 -28.2 26.7 63 23 25603 100 11 -10.8 1.9 | 137 44 -29.7 32.0 64 20 26580 60 11 -9.5 -5.5 | 131 38 -28.4 24.6 65 18 27127 110 12 -11.3 4.1 | 139 46 -30.1 34.2 66 18 27432 115 6 -5.4 2.5 | 143 41 -24.3 32.7 67 17 27737 100 10 -9.8 1.7 | 138 43 -28.7 31.9 68 16 28042 125 12 -9.8 6.9 | 142 47 -28.7 37.0 69 15 28346 80 10 -9.8 -1.7 | 135 40 -28.7 28.4 70 13 29566 35 10 -5.7 -8.2 | 132 33 -24.6 21.9 71 12 29870 45 11 -7.8 -7.8 | 130 35 -26.6 22.4 72 10 31170 50 19 -14.6 -12.2 | 118 38 -33.4 17.9 Wind Parameters Mean winds (0-6000m): 298.0 at 47.4 knts Storm direction: 328.0 at 35.5 knts Shear (0-3000m) pos: 0.4 neg: 4.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 81.6 deg Storm rel helicity (0-3000m) pos: 116.5 neg: -24.9 tot: 91.6 m^2/s^2 ave: 30.5 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 119.49 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 ------------------------------------------------------------------------------- 500 317 19 160 17| 0.0 4.0 4.0| 18.8 -5.4 13.4 26.9 0.29| 10.9 3.2 1000 313 18 162 19| 0.0 3.0 3.0| 30.2 -5.7 24.4 24.4 0.35| 7.6 2.7 1500 311 18 164 19| 0.9 2.0 2.9| 36.2 -11.3 24.9 16.6 0.27| 6.8 1.8 2000 310 20 168 18| 0.6 4.0 4.6| 73.4 -11.3 62.1 31.0 0.48| 8.1 3.9 2500 308 23 177 16| 0.5 4.0 4.6| 90.1 -16.0 74.0 29.6 0.47| 8.1 3.8 3000 306 25 184 16| 0.4 4.1 4.6|116.5 -24.9 91.6 30.5 0.44| 8.6 3.8 4000 302 31 208 16| 0.3 6.0 6.3|217.1 -24.9 192.1 48.0 0.50| 9.4 4.6 5000 299 39 234 19| 0.3 6.6 6.8|306.6 -24.9 281.7 56.3 0.49| 9.3 4.5 6000 298 47 251 24| 0.2 7.0 7.2|396.8 -24.9 371.8 62.0 0.46| 9.2 4.2 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250426.00.gif