UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 25 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 1018 51 -17.7 -20.3 80 2.6 -18.1 330 7 254.1 254.3 254.0 256.2 0.75 1 1006 140 -16.9 -20.7 72 3.8 -17.5 327 12 255.8 255.9 255.3 257.8 0.73 2 1000 185 -17.1 -20.6 74 3.5 -17.6 325 15 256.0 256.2 255.5 258.1 0.74 3 928 742 -19.1 -21.2 83 2.1 -19.4 287 23 259.5 259.7 258.4 261.6 0.76 4 925 766 -19.3 -21.2 85 1.9 -19.6 285 23 259.6 259.7 258.4 261.7 0.76 5 864 1268 -23.9 -24.1 98 0.2 -23.9 286 23 259.9 260.0 258.4 261.6 0.63 6 860 1302 -22.9 -25.9 76 3.0 -23.2 287 23 261.3 261.4 259.3 262.8 0.54 7 850 1388 -23.1 -26.1 76 3.0 -23.5 290 23 261.9 262.0 259.8 263.5 0.53 8 832 1545 -23.7 -26.4 78 2.7 -24.0 292 25 262.9 263.0 260.6 264.4 0.53 9 804 1795 -23.7 -28.1 67 4.4 -24.2 295 29 265.5 265.6 262.4 266.9 0.47 10 718 2620 -25.1 -28.5 73 3.4 -25.5 293 37 272.7 272.8 267.5 274.2 0.51 11 710 2701 -25.1 -29.6 66 4.5 -25.6 294 38 273.6 273.7 268.0 275.0 0.46 12 700 2804 -25.5 -30.5 63 5.0 -26.1 295 40 274.2 274.3 268.4 275.5 0.43 13 614 3742 -30.5 -40.5 37 10.0 -31.2 294 43 279.0 279.0 270.9 279.6 0.18 14 552 4488 -36.1 -43.1 48 7.0 -36.5 292 49 281.0 281.0 272.0 281.5 0.15 15 541 4627 -36.1 -50.1 22 14.0 -36.7 293 49 282.6 282.6 272.8 282.8 0.07 16 500 5170 -38.5 -55.5 15 17.0 -39.1 300 56 286.1 286.1 274.7 286.2 0.04 17 410 6523 -42.6 -63.1 9 20.6 -43.1 300 70 297.5 297.5 280.3 297.6 0.02 18 400 6690 -43.1 -64.1 8 21.0 -43.6 300 68 299.0 299.0 280.9 299.0 0.02 19 394 6792 -43.5 -64.5 8 21.0 -44.0 300 67 299.7 299.7 281.3 299.8 0.02 20 370 7214 -43.9 -67.9 5 24.0 -44.4 303 63 304.7 304.7 283.2 304.7 0.01 21 331 7965 -42.1 -73.1 2 31.0 -42.8 305 49 317.0 317.0 287.8 317.0 0.01 22 300 8630 -42.9 -73.9 2 31.0 -43.6 295 39 324.9 324.9 290.2 324.9 0.01 23 276 9191 -43.7 -75.7 2 32.0 -44.4 302 37 331.6 331.6 292.2 331.6 0.00 24 253 9779 -41.1 -78.1 1 37.0 -42.1 303 35 343.8 343.8 295.2 343.8 0.00 25 250 9860 -41.5 -78.5 1 37.0 -42.5 295 31 344.4 344.4 295.4 344.4 0.00 26 235 10278 -43.5 -78.5 1 35.0 -44.3 298 26 347.5 347.5 296.1 347.5 0.00 27 204 11227 -44.7 -80.7 1 36.0 -45.6 303 26 359.9 359.9 298.7 360.0 0.00 28 200 11360 -44.1 -81.1 1 37.0 -45.0 305 26 362.9 362.9 299.2 363.0 0.00 29 182 11995 -42.7 -80.7 1 38.0 -43.8 307 25 375.1 375.1 301.5 375.2 0.00 30 161 12818 -45.9 -81.9 1 36.0 -46.8 287 18 383.1 383.1 302.8 383.1 0.00 31 152 13202 -44.9 -81.9 1 37.0 -46.0 288 14 391.2 391.2 304.0 391.2 0.00 32 150 13290 -45.5 -81.5 1 36.0 -46.5 295 14 391.7 391.7 304.0 391.7 0.00 33 106 15587 -48.5 -83.5 1 35.0 -49.6 300 13 426.8 426.8 308.5 426.9 0.00 34 100 15970 -47.9 -83.9 1 36.0 -49.1 305 15 435.2 435.2 309.4 435.2 0.00 35 85 17042 -47.3 -84.3 1 37.0 -48.7 334 10 457.1 457.1 311.5 457.1 0.00 36 70 18320 -49.3 -85.3 1 36.0 -50.7 260 7 478.9 478.9 313.4 478.9 0.00 37 67 18607 -49.5 -85.5 1 36.0 -50.9 268 9 484.5 484.5 313.8 484.5 0.00 38 56 19790 -46.7 -84.7 1 38.0 -48.8 337 3 516.4 516.4 316.1 516.4 0.01 39 50 20540 -47.7 -84.7 1 37.0 -49.8 320 10 531.1 531.1 317.0 531.1 0.01 40 30 23900 -49.1 -86.1 1 37.0 -51.9 125 1 610.8 610.8 321.1 610.8 0.01 41 20 26550 -49.9 -85.9 1 36.0 -53.4 110 12 683.4 683.4 323.9 683.5 0.01 42 10 31130 -45.9 -84.9 0 39.0 -53.2 70 17 848.2 848.2 328.4 848.5 0.03 43 5.9 34671 -42.1 -83.1 0 41.0 -53.8 1002.9 1002.9 331.2 1003.6 0.07 TRP 394 6792 -43.5 -64.5 8 21.0 -44.0 300 67 299.7 299.7 281.3 299.8 0.02 WND 410 6523 -42.6 -63.1 9 20.6 -43.1 300 70 297.5 297.5 280.3 297.6 0.02 Sounding variables and indices 1000-500 mb thick: 4985.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 59.22 % Est. max temperature: -11.95 C = 10.49 F Sfc-Lift cond lev (LCL): 975.61 mb = 369.06 m = 1210.80 ft T: -17.76 C 700-500 lapse rate: 5.49 C/km ThetaE index: 0.02 C Layer 864.0- 860.0 mb Conv cond level (CCL): 891.04 mb = 1041.43 m = 3416.71 ft Mean mixing ratio: 0.75 g/kg Conv temperature: -12.06 C = 10.29 F Cap Strength: 19.37 C Lifted Index: 21.80 C Risk: None Lifted Index @300 mb: 46.26 C Lifted Index @700 mb: 13.74 C Showalter Index: 18.67 C Risk: None Total Totals Index: 27.80 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 12.40 C K Index: -15.70 Risk: None Sweat Index: 102.00 Risk: None Energy Index: 4.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.59 J/kg Max Up Vert Vel: 4.81 m/s Conv Inhibition (B-): 82548.60 J/kg Cap Strength: 21.61 C Lift Cond Lev (LCL): 923.14 mb = 780.83 m = 2561.75 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 325 at 29 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 1018 51 330 7 3.5 -6.1 | 144 22 -13.3 18.0 1 1000 185 325 15 8.6 -12.3 | 145 14 -8.2 11.8 2 984 305 330 19 9.5 -16.5 | 136 11 -7.3 7.6 3 945 610 295 20 18.1 -8.5 | 185 16 1.4 15.6 4 925 766 285 23 22.2 -6.0 | 197 19 5.5 18.1 5 907 914 275 23 22.9 -2.0 | 196 23 6.2 22.1 6 870 1219 285 23 22.2 -6.0 | 197 19 5.5 18.1 7 850 1388 290 23 21.6 -7.9 | 197 17 4.9 16.2 8 800 1829 295 29 26.3 -12.3 | 219 15 9.5 11.8 9 767 2134 290 34 31.9 -11.6 | 231 20 15.2 12.4 10 736 2438 290 35 32.9 -12.0 | 233 20 16.1 12.1 11 706 2743 295 39 35.3 -16.5 | 248 20 18.6 7.6 12 700 2804 295 40 36.3 -16.9 | 250 21 19.5 7.2 13 620 3658 295 42 38.1 -17.7 | 253 22 21.3 6.3 14 568 4267 290 48 45.1 -16.4 | 255 29 28.3 7.7 15 521 4877 295 50 45.3 -21.1 | 264 29 28.6 2.9 16 500 5170 300 56 48.5 -28.0 | 277 32 31.7 -3.9 17 437 6096 300 63 54.6 -31.5 | 281 39 37.8 -7.4 18 410 6523 300 70 60.6 -35.0 | 284 45 43.9 -10.9 19 400 6690 300 68 58.9 -34.0 | 283 43 42.1 -9.9 20 399 6706 300 70 60.6 -35.0 | 284 45 43.9 -10.9 21 394 6792 300 67 58.0 -33.5 | 283 42 41.3 -9.4 22 348 7620 305 59 48.3 -33.8 | 287 33 31.6 -9.8 23 318 8230 305 41 33.6 -23.5 | 268 17 16.8 0.6 24 304 8534 290 38 35.7 -13.0 | 240 22 18.9 11.1 25 300 8630 295 39 35.3 -16.5 | 248 20 18.6 7.6 26 278 9144 305 37 30.3 -21.2 | 258 14 13.6 2.9 27 266 9449 285 35 33.8 -9.1 | 229 23 17.0 15.0 28 254 9754 305 36 29.5 -20.6 | 255 13 12.7 3.4 29 250 9860 295 31 28.1 -13.1 | 226 16 11.3 11.0 30 222 10668 300 22 19.1 -11.0 | 190 13 2.3 13.1 31 212 10973 290 24 22.6 -8.2 | 200 17 5.8 15.9 32 202 11278 305 26 21.3 -14.9 | 206 10 4.5 9.2 33 200 11360 305 26 21.3 -14.9 | 206 10 4.5 9.2 34 185 11887 310 26 19.9 -16.7 | 203 8 3.2 7.4 35 154 13106 280 15 14.8 -2.6 | 175 22 -2.0 21.5 36 150 13290 295 14 12.7 -5.9 | 167 19 -4.1 18.2 37 147 13411 300 12 10.4 -6.0 | 161 19 -6.4 18.1 38 141 13716 290 14 13.2 -4.8 | 169 20 -3.6 19.3 39 117 14935 310 13 10.0 -8.4 | 157 17 -6.8 15.7 40 112 15240 300 12 10.4 -6.0 | 161 19 -6.4 18.1 41 107 15545 300 13 11.3 -6.5 | 163 18 -5.5 17.6 42 100 15970 305 15 12.3 -8.6 | 164 16 -4.5 15.5 43 97 16154 305 15 12.3 -8.6 | 164 16 -4.5 15.5 44 93 16459 310 12 9.2 -7.7 | 155 18 -7.6 16.4 45 89 16764 350 11 1.9 -10.8 | 132 20 -14.8 13.2 46 70 18320 260 7 6.9 1.2 | 159 27 -9.9 25.3 47 64 18898 275 10 10.0 -0.9 | 164 24 -6.8 23.2 48 53 20117 0 0 -0.0 -0.0 | 145 29 -16.8 24.1 49 50 20540 320 10 6.4 -7.7 | 148 19 -10.3 16.4 50 46 21031 335 11 4.6 -10.0 | 139 19 -12.1 14.1 51 44 21336 70 11 -10.3 -3.8 | 127 34 -27.1 20.3 52 31 23774 125 10 -8.2 5.7 | 140 39 -24.9 29.8 53 30 23900 125 1 -0.8 0.6 | 145 30 -17.6 24.6 54 29 24079 165 10 -2.6 9.7 | 150 39 -19.3 33.7 55 28 24384 125 1 -0.8 0.6 | 145 30 -17.6 24.6 56 25 24994 55 10 -8.2 -5.7 | 126 31 -24.9 18.3 57 23 25603 85 18 -17.9 -1.6 | 123 41 -34.7 22.5 58 21 26213 125 14 -11.5 8.0 | 139 43 -28.2 32.1 59 20 26550 110 12 -11.3 4.1 | 135 40 -28.0 28.2 60 19 26822 95 10 -10.0 0.9 | 133 37 -26.7 24.9 61 18 27127 125 10 -8.2 5.7 | 140 39 -24.9 29.8 62 18 27432 115 8 -7.3 3.4 | 139 36 -24.0 27.5 63 17 27737 60 10 -8.7 -5.0 | 127 32 -25.4 19.1 64 16 28042 80 10 -9.8 -1.7 | 130 35 -26.6 22.3 65 15 28346 60 13 -11.3 -6.5 | 122 33 -28.0 17.6 66 15 28651 90 12 -12.0 0.0 | 130 38 -28.8 24.1 67 14 28956 55 14 -11.5 -8.0 | 120 32 -28.2 16.0 68 13 29566 95 24 -23.9 2.1 | 123 48 -40.7 26.2 69 12 29870 85 17 -16.9 -1.5 | 124 41 -33.7 22.6 70 12 30175 130 14 -10.7 9.0 | 140 43 -27.5 33.1 71 10 31130 70 17 -16.0 -5.8 | 119 37 -32.7 18.3 Wind Parameters Mean winds (0-6000m): 295.2 at 39.1 knts Storm direction: 325.2 at 29.3 knts Shear (0-3000m) pos: 2.2 neg: 4.5 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 107.3 deg Storm rel helicity (0-3000m) pos: 124.8 neg: -3.7 tot: 121.1 m^2/s^2 ave: 40.4 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 4.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 83.82 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 ------------------------------------------------------------------------------- 500 321 17 151 13| 0.0 14.4 14.4| 23.6 -2.6 21.1 42.1 0.35| 20.9 7.4 1000 299 19 181 15| 0.0 9.9 9.9| 44.0 -3.6 40.4 40.4 0.36| 16.5 6.0 1500 294 21 188 16| 1.9 6.6 8.6| 54.6 -3.7 50.9 33.9 0.37| 13.2 4.8 2000 294 23 195 15| 1.5 6.7 8.2| 82.8 -3.7 79.2 39.6 0.45| 12.0 5.3 2500 293 25 204 16| 1.7 5.4 7.1|101.3 -3.7 97.6 39.1 0.48| 10.5 5.0 3000 293 27 213 16| 2.2 4.5 6.7|124.8 -3.7 121.1 40.4 0.51| 9.6 4.9 4000 294 31 226 17| 1.7 4.1 5.8|133.7 -3.7 130.1 32.5 0.49| 7.9 3.9 5000 293 35 236 18| 2.3 3.3 5.6|202.0 -3.7 198.3 39.7 0.53| 7.5 4.0 6000 295 39 248 20| 2.4 3.0 5.4|246.9 -3.7 243.3 40.5 0.53| 7.1 3.8 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250425.12.gif