UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 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 -14 160 17 SFC 992 51 -7.3 -8.4 92 1.1 -7.6 160 17 266.5 266.8 266.0 272.0 2.04 2 962 288 -8.9 -8.9 100 0.0 -8.9 179 29 267.2 267.5 266.5 272.7 2.02 3 925 592 -6.9 -6.9 100 0.0 -6.9 210 25 272.3 272.7 270.5 279.0 2.46 4 889 903 -5.5 -5.5 100 0.0 -5.5 200 25 276.8 277.3 273.9 284.7 2.85 5 874 1037 -2.5 -2.6 99 0.1 -2.6 206 25 281.3 281.9 277.3 291.4 3.61 6 850 1258 -3.1 -3.1 100 0.0 -3.1 225 24 282.9 283.5 278.2 293.0 3.58 7 824 1504 -3.5 -3.6 99 0.1 -3.6 219 21 285.0 285.6 279.1 295.1 3.55 8 700 2780 -9.7 -10.3 95 0.6 -9.9 230 13 291.7 292.2 281.0 299.2 2.49 9 610 3828 -15.9 -15.9 100 0.0 -15.9 239 15 296.3 296.6 282.1 301.9 1.81 10 543 4696 -20.7 -22.3 87 1.6 -21.0 242 23 300.6 300.8 283.1 304.4 1.18 11 500 5300 -25.1 -26.8 86 1.7 -25.4 230 25 302.4 302.6 283.5 305.2 0.85 12 466 5807 -29.3 -32.1 77 2.8 -29.7 233 29 303.4 303.5 283.5 305.2 0.56 13 424 6475 -34.5 -35.6 90 1.1 -34.6 223 29 305.0 305.1 284.0 306.5 0.43 14 421 6524 -34.9 -37.8 75 2.9 -35.2 221 29 305.1 305.2 283.9 306.3 0.35 15 419 6557 -35.1 -54.1 13 19.0 -36.0 220 28 305.3 305.3 283.6 305.5 0.06 16 416 6607 -35.5 -50.5 20 15.0 -36.3 218 28 305.4 305.4 283.7 305.7 0.09 17 407 6760 -35.9 -56.9 10 21.0 -36.8 216 28 306.8 306.8 284.2 307.0 0.04 18 403 6828 -36.1 -47.1 31 11.0 -36.8 218 30 307.4 307.4 284.5 307.9 0.14 19 400 6880 -36.3 -46.3 35 10.0 -37.0 220 32 307.8 307.8 284.7 308.4 0.15 20 389 7073 -37.9 -44.9 48 7.0 -38.4 220 33 308.2 308.2 284.9 308.8 0.18 21 373 7361 -40.1 -47.1 47 7.0 -40.5 220 35 309.0 309.0 285.1 309.5 0.15 22 363 7547 -40.9 -55.9 18 15.0 -41.5 220 36 310.3 310.3 285.5 310.5 0.05 23 320 8394 -46.9 -57.9 27 11.0 -47.2 220 40 313.4 313.4 286.6 313.6 0.05 24 309 8626 -48.3 -61.3 21 13.0 -48.6 220 41 314.6 314.6 287.0 314.7 0.03 25 300 8820 -49.1 -62.1 21 13.0 -49.4 220 42 316.1 316.2 287.5 316.3 0.03 26 259 9781 -52.7 -67.7 15 15.0 -52.9 225 29 324.4 324.4 290.1 324.5 0.02 27 250 10010 -52.9 -68.9 13 16.0 -53.1 220 27 327.4 327.4 291.0 327.5 0.01 28 238 10325 -53.5 -71.5 9 18.0 -53.8 216 33 331.2 331.2 292.0 331.2 0.01 29 229 10572 -52.1 -77.1 3 25.0 -52.4 229 39 337.0 337.0 293.6 337.0 0.00 30 208 11189 -53.3 -81.3 2 28.0 -53.6 250 33 344.5 344.5 295.4 344.5 0.00 31 200 11440 -52.5 -83.5 1 31.0 -52.9 245 28 349.6 349.6 296.5 349.6 0.00 32 198 11505 -51.5 -83.5 1 32.0 -51.9 247 26 352.2 352.2 297.1 352.2 0.00 33 188 11841 -52.7 -83.7 1 31.0 -53.1 233 25 355.6 355.6 297.8 355.6 0.00 34 183 12015 -50.9 -83.9 1 33.0 -51.4 236 30 361.2 361.2 299.0 361.2 0.00 35 174 12344 -50.5 -84.5 1 34.0 -51.0 258 29 367.1 367.1 300.1 367.1 0.00 36 160 12889 -51.9 -85.9 1 34.0 -52.4 227 20 373.7 373.7 301.2 373.7 0.00 37 154 13138 -49.7 -85.7 1 36.0 -50.4 252 27 381.5 381.5 302.5 381.6 0.00 38 150 13310 -50.5 -85.5 1 35.0 -51.1 290 14 383.1 383.1 302.8 383.1 0.00 39 141 13713 -51.3 -86.3 1 35.0 -51.9 210 10 388.5 388.5 303.6 388.5 0.00 40 131 14194 -49.5 -85.5 1 36.0 -50.3 256 15 400.0 400.0 305.2 400.0 0.00 41 127 14397 -50.3 -86.3 1 36.0 -51.0 267 12 402.1 402.1 305.5 402.1 0.00 42 118 14880 -47.7 -85.7 0 38.0 -48.7 274 12 415.4 415.4 307.2 415.4 0.00 43 113 15165 -49.5 -86.5 1 37.0 -50.4 265 13 417.2 417.2 307.4 417.3 0.00 44 108 15463 -48.1 -86.1 0 38.0 -49.1 260 12 425.3 425.3 308.3 425.3 0.00 45 100 15970 -48.9 -86.9 0 38.0 -50.0 240 10 433.2 433.2 309.2 433.3 0.00 46 80 17438 -46.7 -85.7 0 39.0 -48.3 230 11 466.3 466.3 312.3 466.3 0.00 47 70 18320 -47.3 -86.3 0 39.0 -49.0 265 10 483.2 483.2 313.7 483.2 0.00 48 50 20540 -49.1 -87.1 0 38.0 -51.0 185 11 527.8 527.8 316.8 527.8 0.00 49 30 23900 -49.1 -87.1 0 38.0 -51.9 100 10 610.8 610.8 321.1 610.8 0.01 50 29 24122 -49.7 -87.7 0 38.0 -52.4 78 10 615.1 615.1 321.3 615.1 0.01 51 24 25369 -46.5 -85.5 0 39.0 -50.6 149 10 658.6 658.6 323.0 658.7 0.01 52 22 25943 -48.9 -86.9 0 38.0 -52.5 151 11 668.0 668.0 323.3 668.1 0.01 53 20 26570 -47.9 -86.9 0 39.0 -52.1 100 6 689.6 689.6 324.1 689.6 0.01 54 18 27269 -46.5 -85.5 0 39.0 -51.4 193 11 715.1 715.1 324.9 715.2 0.01 55 14 28931 -48.9 -86.9 0 38.0 -53.8 162 12 760.2 760.2 326.2 760.3 0.01 56 10 31160 -45.7 -84.7 0 39.0 -53.1 350 1 849.0 849.0 328.4 849.2 0.03 57 7.1 33464 -41.3 -82.3 0 41.0 -52.5 954.4 954.5 330.4 955.1 0.06 58 6.7 33857 -41.9 -82.9 0 41.0 -53.1 967.9 967.9 330.7 968.6 0.06 59 5.3 35456 -38.5 -80.5 0 42.0 -52.9 1050.2 1050.3 331.9 1051.6 0.12 60 5.1 35723 -35.3 -78.3 0 43.0 -52.0 1076.3 1076.4 332.3 1078.5 0.17 TRP 259 9781 -52.7 -67.7 15 15.0 -52.9 225 29 324.4 324.4 290.1 324.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5314.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.50 inches Sfc-500 mean rel hum: 95.91 % Est. max temperature: 9.74 C = 49.52 F Sfc-Lift cond lev (LCL): 974.61 mb = 187.79 m = 616.09 ft T: -8.22 C 700-500 lapse rate: 6.11 C/km Conv cond level (CCL): 992.00 mb = 51.00 m = 167.32 ft Mean mixing ratio: 2.32 g/kg Conv temperature: -6.79 C = 19.79 F Cap Strength: 20.53 C Lifted Index: 21.35 C Risk: None Lifted Index @300 mb: 27.93 C Lifted Index @700 mb: 15.42 C Showalter Index: 8.86 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.00 C Cross Totals Index: 22.00 C K Index: 18.30 Risk: < 20 % chance of thunderstorms Sweat Index: 108.89 Risk: None Energy Index: 2.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.46 J/kg Max Up Vert Vel: 9.32 m/s Conv Inhibition (B-): 86478.94 J/kg Cap Strength: 21.19 C Lift Cond Lev (LCL): 939.04 mb = 475.38 m = 1559.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 255 at 15 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 ---------------------------------------------------------- 0 992 51 160 17 -5.8 16.0 | 121 24 -20.4 12.1 1 960 305 180 30 0.0 30.0 | 151 30 -14.6 26.1 2 925 592 210 25 12.5 21.7 | 173 18 -2.1 17.8 3 923 610 210 24 12.0 20.8 | 171 17 -2.6 16.9 4 888 914 200 25 8.6 23.5 | 163 21 -6.1 19.6 5 854 1219 215 25 14.3 20.5 | 179 17 -0.3 16.6 6 850 1258 225 24 17.0 17.0 | 190 13 2.3 13.1 7 790 1829 210 18 9.0 15.6 | 154 13 -5.6 11.7 8 760 2134 225 13 9.2 9.2 | 134 8 -5.4 5.3 9 731 2438 235 8 6.6 4.6 | 95 8 -8.1 0.7 10 703 2743 235 11 9.0 6.3 | 113 6 -5.6 2.4 11 700 2780 230 13 10.0 8.4 | 134 6 -4.7 4.5 12 675 3048 240 14 12.1 7.0 | 141 4 -2.5 3.1 13 648 3353 255 14 13.5 3.6 | 77 1 -1.1 -0.3 14 623 3658 240 13 11.3 6.5 | 128 4 -3.4 2.6 15 574 4267 235 20 16.4 11.5 | 193 8 1.8 7.6 16 529 4877 245 24 21.8 10.1 | 229 9 7.1 6.3 17 500 5300 230 25 19.2 16.1 | 200 13 4.5 12.2 18 447 6096 235 32 26.2 18.4 | 219 19 11.6 14.5 19 410 6706 215 27 15.5 22.1 | 183 18 0.9 18.2 20 400 6880 220 32 20.6 24.5 | 196 21 5.9 20.6 21 358 7620 220 36 23.1 27.6 | 200 25 8.5 23.7 22 300 8820 220 42 27.0 32.2 | 204 31 12.4 28.3 23 285 9144 230 45 34.5 28.9 | 218 32 19.8 25.0 24 259 9781 225 29 20.5 20.5 | 199 18 5.9 16.6 25 250 10010 220 27 17.4 20.7 | 189 17 2.7 16.8 26 237 10363 215 34 19.5 27.9 | 191 24 4.9 24.0 27 226 10668 235 41 33.6 23.5 | 224 27 19.0 19.6 28 215 10973 255 38 36.7 9.8 | 255 23 22.1 6.0 29 200 11440 245 28 25.4 11.8 | 233 13 10.7 8.0 30 196 11582 250 23 21.6 7.9 | 240 8 7.0 4.0 31 187 11887 230 25 19.2 16.1 | 200 13 4.5 12.2 32 178 12192 245 36 32.6 15.2 | 238 21 18.0 11.3 33 170 12497 270 22 22.0 -0.0 | 298 8 7.4 -3.9 34 162 12802 220 16 10.3 12.3 | 153 9 -4.3 8.4 35 155 13106 245 30 27.2 12.7 | 235 15 12.6 8.8 36 150 13310 290 14 13.2 -4.8 | 10 9 -1.5 -8.7 37 148 13411 285 21 20.3 -5.4 | 329 11 5.7 -9.3 38 141 13716 210 10 5.0 8.7 | 116 11 -9.6 4.8 39 135 14021 230 17 13.0 10.9 | 167 7 -1.6 7.1 40 128 14326 275 13 13.0 -1.1 | 19 5 -1.7 -5.0 41 123 14630 245 10 9.1 4.2 | 94 6 -5.6 0.3 42 117 14935 280 12 11.8 -2.1 | 25 7 -2.8 -6.0 43 112 15240 260 13 12.8 2.3 | 48 2 -1.8 -1.6 44 107 15545 260 12 11.8 2.1 | 57 3 -2.8 -1.8 45 100 15970 240 10 8.7 5.0 | 101 6 -6.0 1.1 46 97 16154 220 10 6.4 7.7 | 115 9 -8.2 3.8 47 85 17069 215 12 6.9 9.8 | 128 10 -7.7 6.0 48 70 18320 265 10 10.0 0.9 | 57 6 -4.7 -3.0 49 50 20540 185 11 1.0 11.0 | 117 15 -13.7 7.1 50 46 21031 220 12 7.7 9.2 | 128 9 -6.9 5.3 51 44 21336 240 9 7.8 4.5 | 95 7 -6.8 0.6 52 37 22555 0 0 -0.0 -0.0 | 75 15 -14.6 -3.9 53 30 23900 100 10 -9.8 1.7 | 85 25 -24.5 -2.1 54 29 24079 75 10 -9.7 -2.6 | 75 25 -24.3 -6.5 55 25 24994 135 16 -11.3 11.3 | 106 27 -25.9 7.4 56 24 25298 155 10 -4.2 9.1 | 105 20 -18.9 5.2 57 23 25603 130 10 -7.7 6.4 | 97 22 -22.3 2.6 58 22 25908 145 11 -6.3 9.0 | 104 22 -20.9 5.1 59 21 26213 195 10 2.6 9.7 | 116 13 -12.0 5.8 60 20 26570 100 6 -5.9 1.0 | 82 21 -20.5 -2.8 61 18 27432 215 12 6.9 9.8 | 128 10 -7.7 6.0 62 13 29566 140 12 -7.7 9.2 | 103 23 -22.3 5.3 63 12 30175 135 10 -7.1 7.1 | 98 22 -21.7 3.2 64 10 31160 350 1 0.2 -1.0 | 71 15 -14.5 -4.9 Wind Parameters Mean winds (0-6000m): 225.2 at 20.2 knts Storm direction: 255.2 at 15.1 knts Shear (0-3000m) pos: 3.4 neg: 0.0 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 20.5 deg Storm rel helicity (0-3000m) pos: 191.5 neg: -53.1 tot: 138.4 m^2/s^2 ave: 46.1 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 2.8 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 1.10 Bulk Shear: 39.49 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 ------------------------------------------------------------------------------- 500 183 26 148 25| 19.0 0.0 19.0|151.4 0.0 151.4 302.9 0.81| 28.2 22.8 1000 194 25 157 22| 9.4 0.0 9.4|160.6 -8.9 151.7 151.7 0.64| 17.9 11.4 1500 201 25 163 20| 6.3 0.0 6.3|183.2 -22.1 161.1 107.4 0.51| 15.8 8.1 2000 204 23 163 18| 4.1 0.0 4.1|183.2 -40.6 142.6 71.3 0.33| 14.0 4.6 2500 207 20 159 15| 3.5 0.0 3.5|184.6 -53.1 131.5 52.6 0.20| 12.8 2.5 3000 210 19 158 14| 3.4 0.0 3.4|191.5 -53.1 138.4 46.1 0.24| 11.7 2.8 4000 217 18 159 11| 2.7 0.6 3.3|197.3 -54.0 143.3 35.8 0.25| 10.3 2.6 5000 223 19 168 10| 2.5 0.7 3.2|211.1 -59.6 151.5 30.3 0.27| 9.3 2.5 6000 225 20 178 10| 2.4 0.9 3.3|229.1 -68.3 160.8 26.8 0.26| 8.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250420.00.gif