UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 20 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 ------------------------------------------------------------------------------- 0 1000 21 345 32 SFC 996 51 -12.3 -14.0 87 1.7 -12.7 345 32 261.1 261.4 260.7 264.6 1.30 2 979 182 -13.5 -15.3 86 1.8 -13.9 353 28 261.2 261.4 260.6 264.4 1.19 3 974 222 -10.9 -12.2 90 1.3 -11.2 355 27 264.2 264.5 263.5 268.4 1.54 4 956 366 -6.5 -8.0 89 1.5 -7.0 355 22 270.1 270.5 268.7 276.1 2.18 5 948 432 -6.3 -7.7 90 1.4 -6.7 349 19 271.0 271.3 269.4 277.1 2.25 6 925 624 -7.1 -7.5 97 0.4 -7.2 335 14 272.0 272.4 270.2 278.5 2.35 7 850 1284 -7.3 -7.3 100 0.0 -7.3 295 13 278.5 278.9 274.5 285.8 2.60 8 810 1660 -6.9 -6.9 100 0.0 -6.9 254 10 282.8 283.3 277.0 290.8 2.81 9 739 2371 -10.5 -10.5 100 0.0 -10.5 257 9 286.4 286.8 278.2 293.2 2.32 10 700 2787 -12.7 -13.6 93 0.9 -13.0 250 13 288.4 288.8 278.7 294.1 1.91 11 628 3607 -19.1 -19.3 98 0.2 -19.1 252 14 290.2 290.4 278.7 294.2 1.32 12 610 3823 -20.7 -24.9 69 4.2 -21.5 245 17 290.8 290.9 278.3 293.4 0.83 13 588 4095 -21.9 -27.9 58 6.0 -22.9 237 20 292.5 292.6 278.9 294.5 0.66 14 556 4505 -24.7 -27.2 80 2.5 -25.1 240 19 293.9 294.0 279.7 296.2 0.74 15 520 4989 -28.5 -31.5 75 3.0 -28.9 226 17 295.0 295.1 279.8 296.7 0.53 16 511 5115 -29.5 -36.5 51 7.0 -30.2 221 17 295.2 295.3 279.7 296.3 0.33 17 500 5270 -30.1 -33.0 76 2.9 -30.4 215 16 296.3 296.4 280.4 297.9 0.47 18 494 5355 -30.9 -35.5 64 4.6 -31.4 211 16 296.4 296.5 280.3 297.6 0.38 19 476 5616 -33.1 -35.4 80 2.3 -33.3 209 16 296.8 296.9 280.5 298.1 0.39 20 458 5884 -35.5 -38.0 78 2.5 -35.7 218 16 297.1 297.2 280.6 298.2 0.32 21 450 6006 -36.5 -41.5 60 5.0 -36.8 222 16 297.4 297.4 280.5 298.1 0.22 22 426 6382 -38.7 -47.7 38 9.0 -39.2 218 18 299.3 299.3 281.2 299.7 0.12 23 416 6544 -39.9 -46.9 47 7.0 -40.2 214 20 299.8 299.8 281.4 300.2 0.13 24 400 6810 -41.3 -49.3 42 8.0 -41.6 215 22 301.3 301.3 282.0 301.7 0.11 25 396 6878 -41.5 -51.5 33 10.0 -41.9 215 22 301.9 301.9 282.3 302.2 0.08 26 383 7105 -42.1 -56.1 20 14.0 -42.6 213 23 304.0 304.0 283.1 304.2 0.05 27 360 7522 -45.3 -53.3 40 8.0 -45.6 211 25 305.2 305.2 283.6 305.4 0.07 28 325 8201 -48.3 -58.3 31 10.0 -48.6 200 27 310.1 310.1 285.4 310.3 0.04 29 300 8730 -47.5 -60.5 21 13.0 -47.9 215 28 318.4 318.4 288.3 318.5 0.04 30 299 8752 -47.5 -60.5 21 13.0 -47.9 215 28 318.7 318.7 288.3 318.9 0.04 31 250 9930 -49.3 -64.3 16 15.0 -49.7 230 26 332.8 332.8 292.5 332.9 0.03 32 244 10088 -49.7 -63.7 18 14.0 -50.0 229 26 334.5 334.5 293.0 334.6 0.03 33 230 10474 -47.9 -63.9 14 16.0 -48.4 224 29 342.9 342.9 295.1 343.1 0.03 34 213 10977 -48.7 -64.7 14 16.0 -49.1 240 20 349.3 349.3 296.5 349.4 0.03 35 200 11390 -47.3 -63.3 14 16.0 -47.9 250 29 357.9 357.9 298.3 358.0 0.04 36 197 11490 -46.7 -62.7 15 16.0 -47.3 247 31 360.4 360.4 298.8 360.6 0.04 37 180 12086 -48.9 -64.9 14 16.0 -49.4 233 22 366.2 366.2 299.9 366.4 0.03 38 152 13193 -49.9 -65.9 14 16.0 -50.4 237 21 382.6 382.6 302.7 382.8 0.04 39 150 13280 -49.5 -65.5 14 16.0 -50.1 240 23 384.8 384.8 303.1 385.0 0.04 40 145 13503 -48.5 -64.5 14 16.0 -49.2 235 22 390.3 390.3 303.9 390.5 0.05 41 121 14691 -49.5 -66.5 12 17.0 -50.3 265 26 409.2 409.2 306.5 409.4 0.04 42 116 14968 -48.5 -65.5 12 17.0 -49.3 278 17 416.0 416.0 307.3 416.2 0.05 43 106 15559 -50.5 -67.5 12 17.0 -51.2 236 11 423.0 423.1 308.1 423.3 0.04 44 100 15940 -49.5 -66.5 12 17.0 -50.4 265 12 432.1 432.1 309.1 432.4 0.05 45 73 18013 -47.5 -67.5 8 20.0 -49.0 245 8 477.0 477.0 313.2 477.4 0.06 46 70 18290 -47.9 -68.9 7 21.0 -49.4 225 5 481.9 481.9 313.6 482.2 0.05 47 60 19298 -50.9 -71.9 7 21.0 -52.2 314 4 496.9 496.9 314.8 497.2 0.04 48 53 20108 -48.7 -70.7 6 22.0 -50.4 49 6 520.0 520.0 316.3 520.3 0.05 49 50 20490 -49.3 -71.3 6 22.0 -51.0 180 8 527.3 527.3 316.8 527.6 0.05 50 30 23830 -50.3 -75.3 4 25.0 -52.7 140 6 607.5 607.5 321.0 607.9 0.05 51 28 24280 -50.5 -75.5 4 25.0 -53.0 116 9 619.1 619.1 321.5 619.4 0.05 52 25 25022 -48.1 -75.1 3 27.0 -51.5 133 13 646.4 646.4 322.6 646.8 0.06 53 22 25859 -50.9 -77.9 3 27.0 -53.8 119 10 662.1 662.1 323.2 662.4 0.04 54 20 26480 -49.9 -75.9 3 26.0 -53.3 0 0 683.4 683.5 323.9 684.0 0.06 55 14 28822 -46.9 -77.9 2 31.0 -52.4 164 14 767.0 767.0 326.4 767.6 0.07 56 11 30411 -48.5 -79.5 2 31.0 -54.2 160 10 816.0 816.0 327.7 816.6 0.07 57 10 31040 -46.5 -80.5 1 34.0 -53.5 130 9 846.0 846.0 328.3 846.6 0.06 58 8.4 32209 -41.9 -81.9 1 40.0 -52.0 907.3 907.3 329.6 907.9 0.06 59 5.9 34600 -42.3 -83.3 0 41.0 -53.8 1002.0 1002.0 331.2 1002.7 0.07 60 5.0 35734 -36.1 -79.1 0 43.0 -52.4 1078.8 1078.9 332.3 1080.7 0.15 TRP 325 8201 -48.3 -58.3 31 10.0 -48.6 200 27 310.1 310.1 285.4 310.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5249.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.38 inches Sfc-500 mean rel hum: 88.34 % Est. max temperature: 5.45 C = 41.80 F Sfc-Lift cond lev (LCL): 968.95 mb = 261.93 m = 859.34 ft T: -9.67 C 700-500 lapse rate: 7.01 C/km ThetaE index: 0.20 C Layer 979.0- 974.0 mb Conv cond level (CCL): 996.00 mb = 51.00 m = 167.32 ft Mean mixing ratio: 2.03 g/kg Conv temperature: -8.45 C = 16.79 F Cap Strength: 17.30 C Lifted Index: 18.10 C Risk: None Lifted Index @300 mb: 31.05 C Lifted Index @700 mb: 14.12 C Showalter Index: 9.31 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 22.80 C K Index: 14.60 Risk: None Sweat Index: 42.00 Risk: None Energy Index: 2.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.45 J/kg Max Up Vert Vel: 10.81 m/s Conv Inhibition (B-): 74915.23 J/kg Cap Strength: 17.78 C Lift Cond Lev (LCL): 933.81 mb = 549.93 m = 1804.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 11 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 ---------------------------------------------------------- 0 996 51 345 32 8.3 -30.9 | 5 28 -2.5 -28.1 1 964 305 360 24 -0.0 -24.0 | 27 24 -10.8 -21.2 2 927 610 335 13 5.5 -11.8 | 30 10 -5.3 -9.0 3 925 624 335 14 5.9 -12.7 | 26 11 -4.8 -9.9 4 891 914 325 12 6.9 -9.8 | 29 8 -3.9 -7.0 5 857 1219 310 13 10.0 -8.4 | 8 6 -0.8 -5.5 6 850 1284 295 13 11.8 -5.5 | 339 3 1.0 -2.7 7 792 1829 235 8 6.6 4.6 | 150 9 -4.2 7.4 8 762 2134 245 8 7.3 3.4 | 150 7 -3.5 6.2 9 732 2438 260 9 8.9 1.6 | 157 5 -1.9 4.4 10 704 2743 260 14 13.8 2.4 | 210 6 3.0 5.2 11 700 2787 250 13 12.2 4.4 | 191 7 1.5 7.3 12 676 3048 230 11 8.4 7.1 | 167 10 -2.3 9.9 13 622 3658 255 14 13.5 3.6 | 203 7 2.8 6.4 14 597 3962 235 20 16.4 11.5 | 201 15 5.6 14.3 15 573 4267 240 19 16.5 9.5 | 205 14 5.7 12.3 16 550 4572 240 19 16.5 9.5 | 205 14 5.7 12.3 17 527 4877 230 18 13.8 11.6 | 192 15 3.0 14.4 18 500 5270 215 16 9.2 13.1 | 174 16 -1.6 15.9 19 485 5486 205 16 6.8 14.5 | 167 18 -4.0 17.3 20 444 6096 225 16 11.3 11.3 | 182 14 0.6 14.1 21 406 6706 210 21 10.5 18.2 | 179 21 -0.3 21.0 22 400 6810 215 22 12.6 18.0 | 185 21 1.9 20.8 23 354 7620 210 25 12.5 21.7 | 184 25 1.7 24.5 24 339 7925 210 29 14.5 25.1 | 188 28 3.7 27.9 25 325 8201 200 27 9.2 25.4 | 177 28 -1.5 28.2 26 324 8230 195 29 7.5 28.0 | 174 31 -3.3 30.8 27 309 8534 220 27 17.4 20.7 | 196 24 6.6 23.5 28 300 8730 215 28 16.1 22.9 | 192 26 5.3 25.7 29 282 9144 220 29 18.6 22.2 | 197 26 7.9 25.0 30 269 9449 215 25 14.3 20.5 | 189 24 3.6 23.3 31 257 9754 225 32 22.6 22.6 | 205 28 11.9 25.4 32 250 9930 230 26 19.9 16.7 | 205 22 9.2 19.5 33 245 10058 230 26 19.9 16.7 | 205 22 9.2 19.5 34 234 10363 220 29 18.6 22.2 | 197 26 7.9 25.0 35 223 10668 230 28 21.4 18.0 | 207 23 10.7 20.8 36 213 10973 240 20 17.3 10.0 | 207 14 6.6 12.8 37 203 11278 225 23 16.3 16.3 | 196 20 5.5 19.1 38 200 11390 250 29 27.3 9.9 | 232 21 16.5 12.7 39 194 11582 245 33 29.9 13.9 | 229 25 19.1 16.8 40 177 12192 230 19 14.6 12.2 | 194 15 3.8 15.0 41 161 12802 255 15 14.5 3.9 | 209 8 3.7 6.7 42 154 13106 235 19 15.6 10.9 | 199 15 4.8 13.7 43 150 13280 240 23 19.9 11.5 | 213 17 9.2 14.3 44 140 13716 230 21 16.1 13.5 | 198 17 5.3 16.3 45 134 14021 250 17 16.0 5.8 | 211 10 5.2 8.6 46 128 14326 230 23 17.6 14.8 | 201 19 6.9 17.6 47 122 14630 260 28 27.6 4.9 | 245 18 16.8 7.7 48 117 14935 285 18 17.4 -4.7 | 286 7 6.6 -1.9 49 111 15240 215 10 5.7 8.2 | 155 12 -5.0 11.0 50 101 15850 255 12 11.6 3.1 | 188 6 0.8 5.9 51 100 15940 265 12 12.0 1.0 | 197 4 1.2 3.9 52 97 16154 245 13 11.8 5.5 | 187 8 1.0 8.3 53 88 16764 250 12 11.3 4.1 | 184 7 0.5 6.9 54 80 17374 230 11 8.4 7.1 | 167 10 -2.3 9.9 55 77 17678 270 12 12.0 -0.0 | 204 3 1.2 2.8 56 70 18290 225 5 3.5 3.5 | 131 10 -7.2 6.3 57 55 19812 360 3 -0.0 -3.0 | 89 11 -10.8 -0.2 58 51 20422 100 10 -9.8 1.7 | 102 21 -20.6 4.5 59 50 20490 180 8 0.0 8.0 | 135 15 -10.8 10.8 60 48 20726 145 14 -8.0 11.5 | 127 24 -18.8 14.3 61 44 21336 140 7 -4.5 5.4 | 118 17 -15.3 8.2 62 40 21946 140 1 -0.6 0.8 | 107 12 -11.4 3.6 63 36 22555 155 10 -4.2 9.1 | 128 19 -15.0 11.9 64 35 22860 200 10 3.4 9.4 | 149 14 -7.3 12.2 65 30 23830 140 6 -3.9 4.6 | 117 16 -14.6 7.4 66 28 24384 110 10 -9.4 3.4 | 107 21 -20.2 6.2 67 26 24689 130 16 -12.3 10.3 | 120 26 -23.0 13.1 68 25 24994 130 13 -10.0 8.4 | 118 24 -20.7 11.2 69 24 25298 160 13 -4.4 12.2 | 135 21 -15.2 15.0 70 22 25908 115 10 -9.1 4.2 | 110 21 -19.8 7.0 71 21 26213 155 11 -4.6 10.0 | 130 20 -15.4 12.8 72 20 26480 0 0 -0.0 -0.0 | 105 11 -10.8 2.8 73 19 26822 0 0 -0.0 -0.0 | 105 11 -10.8 2.8 74 17 27432 50 4 -3.1 -2.6 | 91 14 -13.8 0.2 75 17 27737 110 10 -9.4 3.4 | 107 21 -20.2 6.2 76 16 28042 130 11 -8.4 7.1 | 117 22 -19.2 9.9 77 15 28346 115 15 -13.6 6.3 | 111 26 -24.4 9.1 78 14 28651 155 14 -5.9 12.7 | 133 23 -16.7 15.5 79 13 29566 200 12 4.1 11.3 | 155 16 -6.7 14.1 80 10 31040 130 9 -6.9 5.8 | 116 20 -17.7 8.6 Wind Parameters Mean winds (0-6000m): 254.6 at 14.8 knts Storm direction: 284.6 at 11.1 knts Shear (0-3000m) pos: 0.7 neg: 6.9 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 161.8 deg Storm rel helicity (0-3000m) pos: 72.8 neg: -26.0 tot: 46.8 m^2/s^2 ave: 15.6 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 10.3 stream: -0.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.50 Bulk Shear: 115.97 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 ------------------------------------------------------------------------------- 500 352 24 19 22| 0.0 17.5 17.5| 65.3 -2.7 62.6 125.2 0.44| 21.6 9.5 1000 344 18 21 16| 0.0 11.1 11.1| 66.1 -4.4 61.6 61.6 0.32| 13.9 4.5 1500 333 16 16 12| 0.0 10.9 10.9| 66.1 -10.1 55.9 37.3 0.00| 13.5 0.0 2000 324 14 14 9| 0.0 8.9 8.9| 66.1 -14.4 51.7 25.9 -0.06| 11.8 -0.7 2500 314 13 11 7| 0.8 7.1 8.0| 69.4 -14.4 55.0 22.0 -0.00| 10.4 -0.0 3000 302 13 356 4| 0.7 6.9 7.5| 72.8 -26.0 46.8 15.6 -0.05| 10.3 -0.5 4000 282 13 272 2| 1.2 5.9 7.1| 86.1 -28.6 57.5 14.4 0.03| 9.6 0.2 5000 267 15 227 5| 1.0 5.1 6.1| 88.3 -49.0 39.3 7.9 -0.03| 8.4 -0.3 6000 255 15 208 8| 1.2 4.4 5.7|103.4 -67.5 35.9 6.0 -0.04| 7.8 -0.3 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250420.12.gif