UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 19 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 41 150 14 SFC 999 51 -16.3 -19.1 79 2.8 -16.8 150 14 256.9 257.1 256.5 259.2 0.84 2 983 172 -16.9 -19.4 81 2.5 -17.3 170 21 257.5 257.6 256.9 259.8 0.84 3 976 225 -16.7 -19.6 78 2.9 -17.2 178 25 258.2 258.4 257.5 260.5 0.83 4 964 320 -8.1 -16.1 53 8.0 -9.9 188 29 267.8 268.0 265.3 271.0 1.13 5 936 549 -5.7 -14.7 49 9.0 -8.1 166 30 272.6 272.8 268.8 276.3 1.30 6 925 641 -5.9 -13.9 53 8.0 -8.0 160 31 273.3 273.5 269.5 277.3 1.41 7 909 777 -6.3 -14.3 53 8.0 -8.4 175 36 274.2 274.5 270.0 278.2 1.39 8 903 829 -5.9 -13.9 53 8.0 -8.1 181 38 275.2 275.4 270.7 279.3 1.44 9 874 1086 -3.3 -11.3 54 8.0 -5.8 193 37 280.4 280.8 274.4 285.8 1.84 10 867 1149 -2.7 -13.7 42 11.0 -6.0 194 36 281.7 282.0 274.6 286.2 1.53 11 850 1306 -2.9 -16.9 33 14.0 -6.8 205 32 283.1 283.3 274.9 286.7 1.20 12 844 1362 -2.7 -18.7 28 16.0 -7.0 206 31 283.9 284.1 275.1 287.0 1.03 13 824 1552 -3.5 -21.5 23 18.0 -7.9 209 30 285.0 285.1 275.4 287.5 0.83 14 810 1687 -4.5 -20.5 27 16.0 -8.5 205 27 285.3 285.5 275.7 288.1 0.92 15 791 1873 -5.7 -32.7 10 27.0 -10.6 201 26 286.0 286.1 275.1 287.0 0.31 16 729 2508 -9.7 -23.7 31 14.0 -12.8 209 27 288.4 288.5 277.0 290.8 0.77 17 706 2754 -10.9 -27.9 23 17.0 -14.2 204 29 289.7 289.8 277.4 291.4 0.55 18 700 2820 -10.9 -40.9 6 30.0 -15.0 200 27 290.4 290.4 277.1 290.9 0.15 19 688 2952 -11.7 -28.7 23 17.0 -14.9 211 28 291.0 291.1 278.0 292.6 0.52 20 684 2997 -12.1 -14.8 80 2.7 -12.9 215 29 291.0 291.3 279.7 296.3 1.77 21 682 3019 -12.3 -14.0 87 1.7 -12.8 217 29 291.0 291.4 279.9 296.7 1.90 22 670 3155 -13.3 -14.1 94 0.8 -13.5 225 28 291.4 291.7 280.1 297.2 1.92 23 668 3177 -11.7 -14.0 83 2.3 -12.4 226 28 293.4 293.8 281.0 299.3 1.94 24 657 3304 -11.3 -14.5 77 3.2 -12.3 232 27 295.3 295.6 281.8 301.1 1.89 25 649 3398 -11.9 -14.7 80 2.8 -12.8 236 26 295.6 296.0 281.9 301.4 1.88 26 613 3832 -14.3 -17.6 76 3.3 -15.2 248 11 297.7 298.0 282.4 302.6 1.56 27 606 3919 -14.9 -20.9 60 6.0 -16.3 252 8 298.0 298.2 282.1 301.8 1.19 28 585 4185 -17.1 -18.8 87 1.7 -17.5 252 11 298.5 298.8 282.7 303.1 1.48 29 579 4262 -17.5 -18.0 96 0.5 -17.6 250 13 298.9 299.2 283.0 303.9 1.60 30 569 4392 -17.9 -19.7 86 1.8 -18.3 254 15 299.9 300.2 283.1 304.4 1.41 31 567 4418 -18.1 -24.1 59 6.0 -19.4 255 16 300.0 300.2 282.6 303.1 0.96 32 565 4445 -18.1 -19.7 87 1.6 -18.5 255 16 300.3 300.5 283.3 304.8 1.42 33 524 5005 -20.1 -23.5 74 3.4 -20.8 256 15 304.4 304.6 284.5 308.0 1.10 34 500 5350 -22.7 -25.3 79 2.6 -23.2 280 19 305.4 305.5 284.8 308.6 0.98 35 474 5741 -25.7 -27.5 85 1.8 -26.0 276 18 306.3 306.5 285.0 309.2 0.84 36 453 6071 -26.7 -30.1 73 3.4 -27.2 266 20 309.1 309.2 285.8 311.4 0.69 37 400 6960 -33.9 -38.1 66 4.2 -34.3 280 24 310.9 311.0 286.1 312.2 0.36 38 354 7800 -40.7 -46.7 52 6.0 -41.1 286 33 312.8 312.9 286.5 313.4 0.16 39 320 8476 -46.1 -50.7 60 4.6 -46.3 292 43 314.5 314.5 287.1 314.9 0.11 40 300 8900 -49.9 -54.7 57 4.8 -50.0 295 50 315.0 315.0 287.2 315.3 0.08 41 297 8966 -50.3 -56.3 49 6.0 -50.5 295 51 315.4 315.4 287.3 315.6 0.06 42 255 9945 -57.9 -60.8 69 2.9 -58.0 290 62 318.2 318.2 288.2 318.3 0.04 43 252 10020 -58.5 -61.2 71 2.7 -58.5 290 62 318.4 318.4 288.3 318.5 0.04 44 250 10070 -58.9 -61.6 71 2.7 -58.9 290 59 318.5 318.5 288.3 318.7 0.04 45 249 10095 -59.1 -61.9 70 2.8 -59.2 290 58 318.6 318.6 288.3 318.7 0.04 46 247 10146 -59.5 -63.5 60 4.0 -59.6 290 57 318.7 318.7 288.3 318.8 0.03 47 243 10248 -59.1 -66.1 40 7.0 -59.2 290 55 320.8 320.8 289.0 320.9 0.02 48 236 10431 -60.3 -67.3 39 7.0 -60.4 290 51 321.7 321.7 289.3 321.8 0.02 49 230 10592 -58.9 -70.9 20 12.0 -59.0 293 48 326.2 326.2 290.6 326.2 0.01 50 219 10899 -60.7 -73.7 16 13.0 -60.8 285 41 328.0 328.0 291.2 328.0 0.01 51 215 11014 -59.1 -78.1 7 19.0 -59.2 281 39 332.2 332.2 292.3 332.2 0.00 52 214 11043 -58.9 -77.9 7 19.0 -59.0 280 38 333.0 333.0 292.5 333.0 0.00 53 210 11162 -59.7 -77.7 8 18.0 -59.9 275 35 333.5 333.5 292.7 333.6 0.00 54 203 11375 -56.3 -77.3 5 21.0 -56.5 278 39 342.1 342.2 294.8 342.2 0.01 55 200 11470 -56.5 -76.5 6 20.0 -56.7 285 44 343.3 343.3 295.1 343.3 0.01 56 191 11763 -55.1 -78.1 4 23.0 -55.4 294 36 350.1 350.1 296.7 350.1 0.00 57 173 12398 -52.1 -83.1 1 31.0 -52.5 268 22 365.1 365.1 299.7 365.1 0.00 58 150 13320 -52.1 -84.1 1 32.0 -52.6 290 13 380.3 380.3 302.3 380.3 0.00 59 100 15960 -48.9 -83.9 1 35.0 -50.0 185 4 433.2 433.2 309.2 433.3 0.00 60 79 17513 -47.7 -84.7 1 37.0 -49.1 243 9 465.9 465.9 312.3 466.0 0.00 61 73 18033 -48.7 -84.7 1 36.0 -50.1 234 4 474.5 474.5 313.0 474.5 0.00 62 70 18310 -47.3 -85.3 1 38.0 -49.0 230 1 483.2 483.2 313.7 483.2 0.00 63 69 18405 -46.9 -84.9 1 38.0 -48.7 236 1 486.0 486.0 313.9 486.1 0.00 64 50 20520 -48.5 -85.5 1 37.0 -50.5 150 6 529.2 529.2 316.9 529.2 0.01 65 30 23880 -48.7 -85.7 1 37.0 -51.6 105 11 611.9 611.9 321.2 611.9 0.01 66 20 26530 -50.7 -86.7 1 36.0 -54.0 120 10 681.0 681.0 323.8 681.1 0.01 67 19 26866 -51.1 -87.1 1 36.0 -54.4 122 10 689.8 689.8 324.1 689.9 0.01 68 13 29362 -47.7 -86.7 0 39.0 -53.2 110 11 780.7 780.7 326.8 780.8 0.02 69 12 29891 -49.1 -87.1 0 38.0 -54.4 133 15 793.8 793.8 327.1 793.9 0.02 70 10 31100 -45.5 -84.5 0 39.0 -53.0 170 8 849.7 849.7 328.4 850.0 0.03 71 8.4 32272 -41.9 -82.9 0 41.0 -52.0 907.3 907.3 329.5 907.8 0.05 72 7.0 33501 -43.9 -83.9 0 40.0 -53.7 947.6 947.6 330.3 948.1 0.05 73 6.8 33697 -41.5 -82.5 0 41.0 -52.8 965.5 965.5 330.6 966.2 0.06 74 6.2 34323 -42.3 -83.3 0 41.0 -53.6 987.9 987.9 331.0 988.6 0.06 TRP 236 10431 -60.3 -67.3 39 7.0 -60.4 290 51 321.7 321.7 289.3 321.8 0.02 WND 255 9945 -57.9 -60.8 69 2.9 -58.0 290 62 318.2 318.2 288.2 318.3 0.04 Sounding variables and indices 1000-500 mb thick: 5309.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 56.03 % Est. max temperature: 10.01 C = 50.01 F Sfc-Lift cond lev (LCL): 954.29 mb = 398.28 m = 1306.68 ft T: -7.28 C 700-500 lapse rate: 4.66 C/km ThetaE index: 1.15 C Layer 791.0- 729.0 mb Conv cond level (CCL): 999.00 mb = 51.00 m = 167.32 ft Mean mixing ratio: 1.17 g/kg Conv temperature: -15.20 C = 4.64 F Cap Strength: 27.87 C Lifted Index: 28.20 C Risk: None Lifted Index @300 mb: 31.06 C Lifted Index @700 mb: 18.61 C Showalter Index: 16.04 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 5.80 C K Index: -27.10 Risk: None Sweat Index: 228.74 Risk: None Energy Index: 4.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 87.04 J/kg Max Up Vert Vel: 13.19 m/s Conv Inhibition (B-): 77880.03 J/kg Cap Strength: 28.15 C Lift Cond Lev (LCL): 853.28 mb = 1275.56 m = 4184.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 247 at 17 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 ---------------------------------------------------------- 0 999 51 150 14 -7.0 12.1 | 103 24 -23.0 5.3 1 966 305 190 29 5.0 28.6 | 153 24 -11.0 21.8 2 929 610 160 30 -10.3 28.2 | 129 34 -26.3 21.4 3 925 641 160 31 -10.6 29.1 | 130 35 -26.6 22.3 4 893 914 190 41 7.1 40.4 | 165 35 -8.9 33.6 5 859 1219 195 34 8.8 32.8 | 165 27 -7.2 26.0 6 850 1306 205 32 13.5 29.0 | 174 22 -2.5 22.2 7 827 1524 210 30 15.0 26.0 | 177 19 -1.0 19.2 8 795 1829 200 25 8.6 23.5 | 156 18 -7.5 16.7 9 764 2134 205 30 12.7 27.2 | 171 21 -3.3 20.4 10 735 2438 210 26 13.0 22.5 | 169 16 -3.0 15.7 11 707 2743 205 29 12.3 26.3 | 169 20 -3.8 19.5 12 700 2820 200 27 9.2 25.4 | 160 20 -6.8 18.6 13 679 3048 220 29 18.6 22.2 | 190 16 2.6 15.4 14 652 3353 235 27 22.1 15.5 | 215 11 6.1 8.7 15 626 3658 240 16 13.9 8.0 | 119 2 -2.2 1.2 16 601 3962 255 6 5.8 1.6 | 63 11 -10.2 -5.2 17 577 4267 250 14 13.2 4.8 | 55 3 -2.9 -2.0 18 555 4572 260 18 17.7 3.1 | 335 4 1.7 -3.7 19 532 4877 250 14 13.2 4.8 | 55 3 -2.9 -2.0 20 511 5182 265 17 16.9 1.5 | 350 5 0.9 -5.3 21 500 5350 280 19 18.7 -3.3 | 345 10 2.7 -10.1 22 491 5486 280 15 14.8 -2.6 | 8 9 -1.2 -9.4 23 470 5791 275 19 18.9 -1.7 | 341 9 2.9 -8.5 24 451 6096 265 20 19.9 1.7 | 322 6 3.9 -5.1 25 400 6960 280 24 23.6 -4.2 | 325 13 7.6 -11.0 26 397 7010 275 25 24.9 -2.2 | 315 13 8.9 -9.0 27 379 7315 290 25 23.5 -8.6 | 334 17 7.5 -15.3 28 363 7620 285 30 29.0 -7.8 | 318 19 13.0 -14.6 29 300 8900 295 50 45.3 -21.1 | 314 40 29.3 -27.9 30 289 9144 295 52 47.1 -22.0 | 313 42 31.1 -28.8 31 255 9945 290 62 58.3 -21.2 | 304 51 42.2 -28.0 32 250 10058 290 62 58.3 -21.2 | 304 51 42.2 -28.0 33 250 10070 290 59 55.4 -20.2 | 304 48 39.4 -27.0 34 236 10431 290 51 47.9 -17.4 | 307 40 31.9 -24.2 35 227 10668 295 46 41.7 -19.4 | 316 37 25.7 -26.2 36 206 11278 270 33 33.0 -0.0 | 292 18 17.0 -6.8 37 200 11470 285 44 42.5 -11.4 | 304 32 26.5 -18.2 38 197 11582 285 45 43.5 -11.6 | 304 33 27.4 -18.4 39 187 11887 300 30 26.0 -15.0 | 335 24 10.0 -21.8 40 179 12192 270 26 26.0 -0.0 | 304 12 10.0 -6.8 41 163 12802 265 13 13.0 1.1 | 28 6 -3.1 -5.7 42 155 13106 265 21 20.9 1.8 | 315 7 4.9 -5.0 43 150 13320 290 13 12.2 -4.4 | 19 12 -3.8 -11.2 44 141 13716 295 10 9.1 -4.2 | 32 13 -7.0 -11.0 45 135 14021 270 10 10.0 -0.0 | 42 9 -6.0 -6.8 46 129 14326 295 16 14.5 -6.8 | 6 14 -1.5 -13.6 47 123 14630 275 16 15.9 -1.4 | 1 8 -0.1 -8.2 48 112 15240 295 3 2.7 -1.3 | 59 16 -13.3 -8.1 49 100 15960 185 4 0.3 4.0 | 80 16 -15.7 -2.8 50 97 16154 185 4 0.3 4.0 | 80 16 -15.7 -2.8 51 85 17069 250 13 12.2 4.4 | 58 4 -3.8 -2.3 52 70 18310 230 1 0.8 0.6 | 68 16 -15.3 -6.2 53 51 20422 0 0 -0.0 -0.0 | 67 17 -16.0 -6.8 54 50 20520 150 6 -3.0 5.2 | 85 19 -19.0 -1.6 55 44 21336 145 7 -4.0 5.7 | 87 20 -20.0 -1.1 56 42 21641 165 10 -2.6 9.7 | 99 19 -18.6 2.9 57 30 23774 100 4 -3.9 0.7 | 73 21 -20.0 -6.1 58 30 23880 105 11 -10.6 2.8 | 82 27 -26.6 -3.9 59 29 24079 105 12 -11.6 3.1 | 82 28 -27.6 -3.7 60 28 24384 95 10 -10.0 0.9 | 77 27 -26.0 -5.9 61 27 24689 125 19 -15.6 10.9 | 97 32 -31.6 4.1 62 25 24994 175 17 -1.5 16.9 | 120 20 -17.5 10.1 63 23 25603 140 12 -7.7 9.2 | 96 24 -23.7 2.4 64 21 26213 140 16 -10.3 12.3 | 102 27 -26.3 5.5 65 20 26518 200 10 3.4 9.4 | 102 13 -12.6 2.6 66 20 26530 120 10 -8.7 5.0 | 86 25 -24.7 -1.8 67 19 26822 120 10 -8.7 5.0 | 86 25 -24.7 -1.8 68 18 27127 130 13 -10.0 8.4 | 93 26 -26.0 1.6 69 17 27432 135 6 -4.2 4.2 | 83 20 -20.3 -2.6 70 17 27737 115 10 -9.1 4.2 | 84 25 -25.1 -2.6 71 15 28346 135 10 -7.1 7.1 | 91 23 -23.1 0.3 72 13 29261 105 10 -9.7 2.6 | 81 26 -25.7 -4.2 73 12 30175 145 17 -9.8 13.9 | 105 27 -25.8 7.1 74 10 31100 170 8 -1.4 7.9 | 94 17 -17.4 1.1 Wind Parameters Mean winds (0-6000m): 217.0 at 23.2 knts Storm direction: 247.0 at 17.4 knts Shear (0-3000m) pos: 5.2 neg: 0.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 86.8 deg Storm rel helicity (0-3000m) pos: 401.7 neg: -117.0 tot: 284.7 m^2/s^2 ave: 94.9 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 17.0 stream: 6.8 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 2.40 Bulk Shear: 36.23 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 ------------------------------------------------------------------------------- 500 178 25 137 25| 17.3 0.0 17.3|124.7 -61.0 63.7 127.4 0.39| 31.0 12.0 1000 178 31 145 29| 15.0 0.0 15.0|312.3 -72.8 239.5 239.5 0.55| 29.0 15.9 1500 186 31 153 27| 8.7 0.0 8.7|341.6 -75.4 266.2 177.4 0.50| 23.9 12.0 2000 190 30 155 25| 6.5 0.8 7.3|358.3-104.4 253.8 126.9 0.41| 20.4 8.4 2500 194 30 158 24| 5.2 0.6 5.8|365.6-106.6 259.0 103.6 0.39| 17.7 6.9 3000 196 30 160 23| 5.2 0.5 5.7|401.7-117.0 284.7 94.9 0.40| 17.0 6.8 4000 203 27 163 19| 2.6 0.4 3.0|420.8-127.9 292.9 73.2 0.26| 16.8 4.4 5000 209 24 164 15| 3.0 0.5 3.5|423.7-134.3 289.4 57.9 0.21| 15.1 3.2 6000 217 23 170 12| 2.7 0.3 3.0|431.5-149.4 282.1 47.0 0.16| 14.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250419.12.gif