UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 21 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 1010 51 -13.3 -16.3 78 3.0 -13.9 330 17 259.1 259.3 258.6 262.0 1.06 1 1000 129 -14.1 -16.9 79 2.8 -14.6 330 19 259.0 259.2 258.5 261.8 1.02 2 931 666 -19.1 -19.3 98 0.2 -19.1 318 25 259.3 259.4 258.5 261.7 0.89 3 928 690 -16.1 -21.0 66 4.9 -16.9 319 25 262.6 262.7 260.8 264.7 0.77 4 925 714 -15.7 -20.3 68 4.6 -16.5 320 25 263.3 263.4 261.4 265.5 0.82 5 904 888 -13.9 -20.9 55 7.0 -15.2 329 25 266.8 267.0 264.0 269.1 0.80 6 850 1356 -13.5 -20.5 56 7.0 -14.9 310 23 272.0 272.1 267.7 274.5 0.88 7 836 1482 -13.5 -20.5 56 7.0 -14.9 306 24 273.3 273.4 268.6 275.9 0.89 8 798 1835 -15.3 -21.3 60 6.0 -16.4 310 23 275.0 275.2 269.7 277.6 0.87 9 746 2342 -17.1 -27.1 42 10.0 -18.7 300 24 278.4 278.5 271.2 280.1 0.56 10 740 2403 -17.1 -32.1 26 15.0 -19.1 297 25 279.1 279.1 271.2 280.2 0.35 11 700 2818 -19.3 -40.3 14 21.0 -21.4 285 24 281.1 281.1 272.1 281.6 0.16 12 682 3011 -20.3 -42.3 12 22.0 -22.4 283 25 282.1 282.1 272.6 282.5 0.14 13 666 3187 -21.5 -39.5 18 18.0 -23.3 281 26 282.7 282.7 273.1 283.3 0.19 14 585 4139 -23.3 -51.3 6 28.0 -25.4 271 36 291.3 291.3 277.4 291.5 0.06 15 500 5270 -30.7 -52.7 10 22.0 -31.9 260 44 295.6 295.6 279.4 295.8 0.06 16 400 6820 -42.3 -55.3 23 13.0 -42.8 250 44 300.0 300.0 281.4 300.2 0.05 17 376 7233 -45.7 -57.7 25 12.0 -46.0 255 45 300.9 300.9 281.8 301.0 0.04 18 320 8285 -52.9 -62.9 29 10.0 -53.1 250 34 305.1 305.1 283.5 305.2 0.03 19 308 8530 -53.3 -65.3 22 12.0 -53.5 253 38 307.9 307.9 284.5 308.0 0.02 20 302 8657 -50.7 -69.7 9 19.0 -51.0 254 39 313.3 313.3 286.5 313.3 0.01 21 300 8700 -50.9 -69.9 9 19.0 -51.2 255 40 313.6 313.6 286.6 313.6 0.01 22 293 8854 -49.5 -74.5 4 25.0 -49.8 260 39 317.7 317.7 288.0 317.7 0.01 23 259 9666 -46.3 -78.3 1 32.0 -46.9 217 26 333.8 333.8 292.7 333.9 0.00 24 250 9900 -46.9 -78.9 1 32.0 -47.4 225 32 336.3 336.3 293.4 336.4 0.00 25 247 9980 -47.5 -78.5 2 31.0 -48.0 227 31 336.6 336.6 293.4 336.6 0.00 26 200 11390 -45.1 -81.1 1 36.0 -45.9 240 33 361.4 361.4 299.0 361.4 0.00 27 198 11457 -44.7 -80.7 1 36.0 -45.6 240 33 363.0 363.0 299.3 363.0 0.00 28 179 12128 -46.5 -81.5 1 35.0 -47.3 249 24 370.7 370.7 300.7 370.7 0.00 29 168 12549 -45.3 -81.3 1 36.0 -46.3 222 23 379.5 379.5 302.2 379.5 0.00 30 150 13300 -47.7 -82.7 1 35.0 -48.5 230 17 387.9 387.9 303.5 387.9 0.00 31 149 13344 -47.7 -82.7 1 35.0 -48.5 230 17 388.6 388.6 303.6 388.6 0.00 32 136 13950 -45.5 -82.5 1 37.0 -46.6 230 18 402.8 402.8 305.6 402.8 0.00 33 113 15176 -49.5 -84.5 1 35.0 -50.4 246 17 417.2 417.2 307.4 417.3 0.00 34 102 15850 -47.9 -83.9 1 36.0 -49.0 239 11 432.7 432.7 309.1 432.7 0.00 35 100 15980 -48.7 -83.7 1 35.0 -49.8 250 9 433.6 433.6 309.2 433.6 0.00 36 84 17127 -46.9 -83.9 1 37.0 -48.4 254 16 459.5 459.5 311.7 459.5 0.00 37 70 18330 -47.5 -84.5 1 37.0 -49.1 170 13 482.8 482.8 313.7 482.8 0.00 38 61 19237 -49.1 -85.1 1 36.0 -50.7 174 13 498.6 498.6 314.8 498.6 0.00 39 53 20165 -46.9 -84.9 1 38.0 -49.1 159 11 524.1 524.1 316.6 524.2 0.01 40 50 20550 -47.9 -84.9 1 37.0 -50.0 155 5 530.6 530.6 316.9 530.6 0.01 41 37 22530 -49.1 -85.1 1 36.0 -51.5 160 10 575.2 575.2 319.4 575.3 0.01 42 30 23910 -47.9 -85.9 0 38.0 -51.0 290 2 614.1 614.1 321.2 614.1 0.01 43 20 26580 -48.3 -86.3 0 38.0 -52.3 200 5 688.3 688.3 324.0 688.4 0.01 44 16 28043 -48.7 -86.7 0 38.0 -53.2 126 15 732.4 732.4 325.4 732.5 0.01 45 15 28470 -45.3 -84.3 0 39.0 -51.3 135 9 757.3 757.3 326.1 757.5 0.02 46 11 30537 -44.9 -84.9 0 40.0 -52.3 153 10 829.0 829.0 328.0 829.3 0.03 47 10 31170 -46.7 -85.7 0 39.0 -53.7 140 9 845.2 845.2 328.3 845.5 0.03 48 7.8 32836 -41.7 -82.7 0 41.0 -52.2 927.5 927.5 329.9 928.1 0.05 TRP 320 8285 -52.9 -62.9 29 10.0 -53.1 250 34 305.1 305.1 283.5 305.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5141.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 34.60 % Est. max temperature: -1.36 C = 29.55 F Sfc-Lift cond lev (LCL): 962.13 mb = 418.66 m = 1373.55 ft T: -16.80 C 700-500 lapse rate: 4.65 C/km ThetaE index: 0.24 C Layer 1000.0- 928.0 mb Conv cond level (CCL): 935.99 mb = 625.43 m = 2051.90 ft Mean mixing ratio: 0.93 g/kg Conv temperature: -13.13 C = 8.36 F Cap Strength: 24.73 C Lifted Index: 27.05 C Risk: None Lifted Index @300 mb: 36.09 C Lifted Index @700 mb: 17.24 C Showalter Index: 17.56 C Risk: None Total Totals Index: 27.40 C Risk: None Vertical Totals Index: 17.20 C Cross Totals Index: 10.20 C K Index: -24.30 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 4.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.59 J/kg Max Up Vert Vel: 6.87 m/s Conv Inhibition (B-): 83398.11 J/kg Cap Strength: 26.99 C Lift Cond Lev (LCL): 922.49 mb = 734.57 m = 2409.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 23 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 1010 51 330 17 8.5 -14.7 | 93 8 -8.4 0.4 1 1000 129 330 19 9.5 -16.5 | 80 8 -7.4 -1.3 2 977 305 330 22 11.0 -19.1 | 56 7 -5.9 -3.9 3 938 610 315 25 17.7 -17.7 | 343 3 0.8 -2.6 4 925 714 320 25 16.1 -19.2 | 12 4 -0.8 -4.0 5 901 914 330 25 12.5 -21.7 | 34 8 -4.4 -6.5 6 865 1219 320 19 12.2 -14.6 | 97 5 -4.7 0.6 7 850 1356 310 23 17.6 -14.8 | 246 1 0.7 0.3 8 831 1524 305 25 20.5 -14.3 | 258 4 3.6 0.8 9 798 1829 310 23 17.6 -14.8 | 246 1 0.7 0.3 10 767 2134 310 22 16.9 -14.1 | 177 1 -0.1 1.0 11 736 2438 295 25 22.7 -10.6 | 232 7 5.8 4.5 12 707 2743 290 23 21.6 -7.9 | 213 9 4.7 7.2 13 700 2818 285 24 23.2 -6.2 | 215 11 6.3 8.9 14 624 3658 275 28 27.9 -2.4 | 221 17 11.0 12.7 15 574 4267 270 38 38.0 -0.0 | 234 26 21.1 15.1 16 528 4877 260 38 37.4 6.6 | 223 30 20.5 21.7 17 500 5270 260 44 43.3 7.6 | 229 35 26.4 22.7 18 444 6096 260 46 45.3 8.0 | 231 37 28.4 23.1 19 400 6820 250 44 41.3 15.0 | 219 39 24.4 30.2 20 389 7010 260 45 44.3 7.8 | 230 36 27.4 22.9 21 354 7620 245 44 39.9 18.6 | 214 41 23.0 33.7 22 338 7925 240 41 35.5 20.5 | 208 40 18.6 35.6 23 320 8285 250 34 31.9 11.6 | 209 31 15.0 26.7 24 300 8700 255 40 38.6 10.4 | 220 33 21.7 25.5 25 294 8839 260 40 39.4 6.9 | 226 31 22.5 22.1 26 280 9144 255 28 27.0 7.2 | 204 25 10.1 22.4 27 268 9449 235 27 22.1 15.5 | 190 31 5.2 30.6 28 256 9754 210 26 13.0 22.5 | 174 38 -3.9 37.6 29 250 9900 225 32 22.6 22.6 | 189 38 5.7 37.7 30 223 10668 240 24 20.8 12.0 | 188 27 3.9 27.1 31 213 10973 220 32 20.6 24.5 | 185 40 3.7 39.6 32 200 11390 240 33 28.6 16.5 | 200 34 11.7 31.6 33 194 11582 240 34 29.4 17.0 | 201 34 12.5 32.1 34 177 12192 250 23 21.6 7.9 | 192 23 4.7 23.0 35 169 12497 220 23 14.8 17.6 | 176 33 -2.1 32.7 36 154 13106 250 18 16.9 6.2 | 180 21 0.0 21.3 37 150 13300 230 17 13.0 10.9 | 172 26 -3.9 26.0 38 128 14326 230 18 13.8 11.6 | 173 27 -3.1 26.7 39 123 14630 245 15 13.6 6.3 | 171 22 -3.3 21.4 40 117 14935 230 15 11.5 9.6 | 168 25 -5.4 24.7 41 112 15240 250 18 16.9 6.2 | 180 21 0.0 21.3 42 107 15545 215 16 9.2 13.1 | 165 29 -7.7 28.2 43 100 15980 250 9 8.5 3.1 | 155 20 -8.4 18.2 44 97 16154 250 9 8.5 3.1 | 155 20 -8.4 18.2 45 89 16764 225 15 10.6 10.6 | 166 26 -6.3 25.7 46 85 17069 250 16 15.0 5.5 | 175 21 -1.9 20.6 47 81 17374 270 18 18.0 -0.0 | 184 15 1.1 15.1 48 70 18330 170 13 -2.3 12.8 | 146 34 -19.2 27.9 49 67 18593 170 11 -1.9 10.8 | 144 32 -18.8 25.9 50 64 18898 180 13 0.0 13.0 | 149 33 -16.9 28.1 51 51 20422 155 11 -4.6 10.0 | 139 33 -21.6 25.1 52 50 20550 155 5 -2.1 4.5 | 136 27 -19.0 19.6 53 49 20726 135 12 -8.5 8.5 | 133 35 -25.4 23.6 54 44 21336 160 12 -4.1 11.3 | 141 34 -21.0 26.4 55 42 21641 170 10 -1.7 9.8 | 143 31 -18.6 25.0 56 37 22555 160 10 -3.4 9.4 | 140 32 -20.3 24.5 57 35 22860 185 10 0.9 10.0 | 147 30 -16.0 25.1 58 34 23165 195 1 0.3 1.0 | 134 23 -16.6 16.1 59 30 23910 290 2 1.9 -0.7 | 134 21 -15.0 14.4 60 27 24689 100 15 -14.8 2.6 | 119 36 -31.7 17.7 61 25 24994 115 10 -9.1 4.2 | 127 32 -26.0 19.3 62 20 26580 200 5 1.7 4.7 | 143 25 -15.2 19.8 63 18 27127 175 2 -0.2 2.0 | 135 24 -17.1 17.1 64 18 27432 135 6 -4.2 4.2 | 132 29 -21.1 19.4 65 16 28042 125 15 -12.3 8.6 | 129 38 -29.2 23.7 66 15 28346 135 14 -9.9 9.9 | 133 37 -26.8 25.0 67 15 28651 135 4 -2.8 2.8 | 132 27 -19.7 17.9 68 13 29566 185 10 0.9 10.0 | 147 30 -16.0 25.1 69 12 29870 145 10 -5.7 8.2 | 136 32 -22.6 23.3 70 12 30175 160 10 -3.4 9.4 | 140 32 -20.3 24.5 71 10 31170 140 9 -5.8 6.9 | 134 32 -22.7 22.0 Wind Parameters Mean winds (0-6000m): 281.8 at 30.2 knts Storm direction: 311.8 at 22.7 knts Shear (0-3000m) pos: 1.2 neg: 4.3 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 125.3 deg Storm rel helicity (0-3000m) pos: 15.4 neg: -19.7 tot: -4.2 m^2/s^2 ave: -1.4 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.39 Bulk Shear: 60.04 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 ------------------------------------------------------------------------------- 500 327 21 61 6| 0.0 8.8 8.8| 0.0 -13.6 -13.6 -27.2 -0.82| 10.6 -8.6 1000 325 23 44 5| 1.9 4.4 6.3| 7.5 -14.2 -6.6 -6.6 -0.21| 9.7 -2.0 1500 321 23 46 4| 1.3 5.3 6.6| 12.1 -14.2 -2.1 -1.4 0.17| 10.8 1.8 2000 318 23 40 2| 1.8 4.0 5.8| 12.1 -14.4 -2.3 -1.2 0.12| 9.0 1.1 2500 315 23 27 1| 1.4 4.4 5.8| 12.9 -16.3 -3.4 -1.4 0.11| 8.8 1.0 3000 310 23 256 1| 1.2 4.3 5.5| 15.4 -19.7 -4.2 -1.4 0.09| 8.3 0.7 4000 300 25 236 5| 0.9 4.6 5.5| 35.9 -19.7 16.2 4.1 0.14| 7.6 1.1 5000 290 27 236 11| 0.7 4.6 5.3| 54.2 -56.7 -2.5 -0.5 0.08| 7.4 0.6 6000 282 30 235 16| 0.6 4.2 4.8| 78.9 -56.7 22.2 3.7 0.11| 6.6 0.7 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250421.00.gif