UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 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 1014 51 -20.3 -22.7 81 2.4 -20.6 215 1 251.8 251.9 251.7 253.5 0.61 1 1008 97 -17.9 -21.1 76 3.2 -18.4 243 5 254.7 254.8 254.3 256.6 0.70 2 1000 158 -17.5 -20.4 78 2.9 -18.0 280 10 255.6 255.8 255.2 257.7 0.75 3 999 165 -17.1 -20.0 78 2.9 -17.6 281 10 256.1 256.2 255.7 258.2 0.78 4 994 203 -12.3 -16.7 70 4.4 -13.2 283 12 261.3 261.5 260.3 264.1 1.04 5 980 312 -12.3 -16.3 72 4.0 -13.1 290 17 262.4 262.5 261.2 265.3 1.09 6 925 749 -16.5 -17.3 94 0.8 -16.7 285 19 262.4 262.6 261.2 265.3 1.06 7 891 1029 -18.9 -18.9 100 0.0 -18.9 290 19 262.8 262.9 261.3 265.4 0.96 8 887 1063 -16.5 -20.5 71 4.0 -17.2 290 19 265.6 265.7 263.2 268.0 0.84 9 881 1114 -16.1 -19.7 74 3.6 -16.7 290 18 266.5 266.7 264.0 269.1 0.91 10 860 1296 -15.3 -19.7 69 4.4 -16.2 288 17 269.2 269.4 265.9 271.9 0.93 11 850 1384 -15.5 -19.7 70 4.2 -16.3 285 16 269.9 270.1 266.4 272.6 0.94 12 777 2059 -17.7 -22.7 65 5.0 -18.6 274 24 274.6 274.7 269.2 276.9 0.79 13 765 2175 -17.9 -24.9 54 7.0 -19.0 270 26 275.6 275.7 269.6 277.5 0.66 14 708 2752 -19.7 -44.7 9 25.0 -21.9 270 28 279.8 279.8 271.2 280.1 0.10 15 700 2836 -19.7 -41.7 12 22.0 -21.8 270 30 280.7 280.7 271.8 281.1 0.14 16 683 3018 -20.3 -42.3 12 22.0 -22.4 269 32 282.0 282.0 272.6 282.4 0.14 17 671 3149 -21.5 -34.5 30 13.0 -23.0 268 33 282.1 282.1 272.9 283.0 0.31 18 637 3530 -23.9 -37.9 26 14.0 -25.3 266 36 283.6 283.6 273.6 284.3 0.23 19 578 4233 -27.9 -42.9 23 15.0 -29.0 260 42 286.9 286.9 275.3 287.4 0.15 20 502 5232 -34.3 -52.3 14 18.0 -35.1 260 50 290.9 290.9 277.2 291.1 0.06 21 500 5260 -34.5 -52.5 14 18.0 -35.3 260 50 291.0 291.0 277.2 291.2 0.06 22 494 5344 -34.9 -49.9 20 15.0 -35.7 260 51 291.5 291.5 277.5 291.8 0.08 23 489 5415 -35.3 -43.3 44 8.0 -35.8 260 51 291.9 291.9 277.9 292.4 0.17 24 464 5780 -37.5 -47.5 35 10.0 -38.0 260 54 293.5 293.5 278.6 293.9 0.11 25 400 6790 -44.5 -52.5 41 8.0 -44.7 260 60 297.2 297.2 280.2 297.4 0.07 26 364 7415 -48.4 -54.9 47 6.5 -48.6 260 66 300.0 300.1 281.4 300.3 0.06 27 353 7616 -49.7 -55.7 49 6.0 -49.8 260 63 301.0 301.0 281.8 301.2 0.06 28 320 8253 -52.5 -59.5 43 7.0 -52.7 255 54 305.7 305.7 283.7 305.8 0.04 29 318 8294 -52.9 -62.9 29 10.0 -53.1 255 53 305.6 305.7 283.7 305.7 0.03 30 316 8335 -52.7 -66.7 17 14.0 -52.9 254 53 306.5 306.5 284.0 306.5 0.02 31 300 8670 -52.1 -68.1 13 16.0 -52.3 250 50 311.9 311.9 286.0 312.0 0.01 32 289 8912 -52.1 -72.1 7 20.0 -52.4 247 46 315.3 315.3 287.2 315.3 0.01 33 279 9142 -49.1 -72.1 5 23.0 -49.5 245 43 322.8 322.8 289.6 322.8 0.01 34 268 9407 -47.9 -72.9 4 25.0 -48.3 249 40 328.3 328.3 291.2 328.3 0.01 35 265 9482 -46.1 -76.1 2 30.0 -46.7 251 40 332.0 332.0 292.3 332.0 0.00 36 260 9609 -45.9 -76.9 2 31.0 -46.5 253 38 334.1 334.1 292.8 334.1 0.00 37 250 9870 -46.5 -78.5 1 32.0 -47.1 240 24 336.9 336.9 293.6 336.9 0.00 38 237 10224 -48.1 -80.1 1 32.0 -48.6 235 25 339.7 339.7 294.3 339.7 0.00 39 210 11024 -47.1 -81.1 1 34.0 -47.7 252 23 353.2 353.2 297.3 353.2 0.00 40 200 11350 -43.9 -79.9 1 36.0 -44.8 215 18 363.3 363.3 299.3 363.3 0.00 41 194 11554 -45.1 -80.1 1 35.0 -45.9 215 20 364.5 364.5 299.5 364.5 0.00 42 170 12434 -45.5 -81.5 1 36.0 -46.4 231 25 377.9 377.9 301.9 377.9 0.00 43 154 13094 -44.3 -81.3 1 37.0 -45.4 227 21 390.8 390.8 303.9 390.8 0.00 44 150 13270 -45.1 -82.1 1 37.0 -46.2 220 21 392.3 392.3 304.1 392.4 0.00 45 104 15693 -49.7 -84.7 1 35.0 -50.6 253 11 426.9 426.9 308.5 426.9 0.00 46 100 15950 -48.7 -84.7 1 36.0 -49.8 210 8 433.6 433.6 309.2 433.6 0.00 47 88 16791 -46.9 -83.9 1 37.0 -48.3 192 13 453.4 453.4 311.2 453.4 0.00 48 70 18300 -47.9 -84.9 1 37.0 -49.5 160 7 481.9 481.9 313.6 481.9 0.00 49 50 20520 -47.7 -84.7 1 37.0 -49.8 150 13 531.1 531.1 317.0 531.1 0.01 50 30 23880 -48.9 -85.9 1 37.0 -51.8 120 8 611.3 611.3 321.1 611.4 0.01 51 20 26550 -48.7 -86.7 0 38.0 -52.6 135 7 687.1 687.1 324.0 687.2 0.01 52 16 28014 -48.1 -87.1 0 39.0 -52.8 136 10 734.3 734.4 325.5 734.4 0.01 53 14 28888 -50.3 -87.3 0 37.0 -54.6 62 10 755.5 755.5 326.1 755.6 0.01 54 10 31110 -44.1 -84.1 0 40.0 -52.2 55 7 854.9 854.9 328.5 855.2 0.03 55 9.3 31599 -41.7 -82.7 0 41.0 -51.4 882.0 882.0 329.1 882.5 0.05 56 7.3 33234 -43.7 -83.7 0 40.0 -53.4 937.1 937.1 330.1 937.6 0.05 57 6.1 34448 -41.1 -82.1 0 41.0 -53.2 997.6 997.7 331.1 998.5 0.08 TRP 318 8294 -52.9 -62.9 29 10.0 -53.1 255 53 305.6 305.7 283.7 305.7 0.03 WND 364 7415 -48.4 -54.9 47 6.5 -48.6 260 66 300.0 300.1 281.4 300.3 0.06 Sounding variables and indices 1000-500 mb thick: 5102.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 43.96 % Est. max temperature: -3.38 C = 25.91 F Sfc-Lift cond lev (LCL): 974.59 mb = 353.62 m = 1160.16 ft T: -12.70 C 700-500 lapse rate: 6.11 C/km Conv cond level (CCL): 1008.00 mb = 96.54 m = 316.73 ft Mean mixing ratio: 1.01 g/kg Conv temperature: -16.46 C = 2.37 F Cap Strength: 22.37 C Lifted Index: 22.43 C Risk: None Lifted Index @300 mb: 34.13 C Lifted Index @700 mb: 15.96 C Showalter Index: 15.28 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 14.80 C K Index: -22.70 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 3.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.27 J/kg Max Up Vert Vel: 8.03 m/s Conv Inhibition (B-): 77917.79 J/kg Cap Strength: 22.28 C Lift Cond Lev (LCL): 924.54 mb = 752.71 m = 2469.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 24 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 1014 51 215 1 0.6 0.8 | 119 24 -21.2 11.8 1 1000 158 280 10 9.8 -1.7 | 128 15 -11.9 9.2 2 981 305 290 17 16.0 -5.8 | 131 8 -5.8 5.1 3 942 610 285 18 17.4 -4.7 | 145 8 -4.4 6.3 4 925 749 285 19 18.4 -4.9 | 150 7 -3.4 6.0 5 905 914 290 20 18.8 -6.8 | 144 5 -3.0 4.1 6 869 1219 290 17 16.0 -5.8 | 131 8 -5.8 5.1 7 850 1384 285 16 15.5 -4.1 | 137 9 -6.3 6.8 8 801 1829 285 19 18.4 -4.9 | 150 7 -3.4 6.0 9 769 2134 270 26 26.0 -0.0 | 201 12 4.2 11.0 10 738 2438 270 23 23.0 -0.0 | 186 11 1.2 11.0 11 709 2743 270 28 28.0 -0.0 | 210 13 6.2 11.0 12 700 2836 270 30 30.0 -0.0 | 217 14 8.2 11.0 13 625 3658 265 37 36.9 3.2 | 227 21 15.1 14.2 14 574 4267 260 43 42.3 7.5 | 228 28 20.5 18.4 15 527 4877 260 44 43.3 7.6 | 229 28 21.5 18.6 16 500 5260 260 50 49.2 8.7 | 234 34 27.4 19.6 17 443 6096 260 56 55.1 9.7 | 238 39 33.4 20.7 18 400 6790 260 60 59.1 10.4 | 240 43 37.3 21.4 19 364 7415 260 66 65.0 11.5 | 243 49 43.2 22.4 20 353 7620 260 63 62.0 10.9 | 241 46 40.2 21.9 21 318 8294 255 53 51.2 13.7 | 230 38 29.4 24.7 22 300 8670 250 50 47.0 17.1 | 222 38 25.2 28.1 23 279 9144 245 43 39.0 18.2 | 211 34 17.2 29.1 24 254 9754 255 37 35.7 9.6 | 214 25 13.9 20.5 25 250 9870 240 24 20.8 12.0 | 177 23 -1.0 23.0 26 243 10058 240 24 20.8 12.0 | 177 23 -1.0 23.0 27 232 10363 230 25 19.2 16.1 | 174 27 -2.6 27.0 28 222 10668 245 29 26.3 12.3 | 191 24 4.5 23.2 29 212 10973 255 24 23.2 6.2 | 185 17 1.4 17.2 30 202 11278 240 21 18.2 10.5 | 170 22 -3.6 21.5 31 200 11350 215 18 10.3 14.7 | 156 28 -11.5 25.7 32 193 11582 215 20 11.5 16.4 | 159 29 -10.3 27.3 33 176 12192 225 28 19.8 19.8 | 176 31 -2.0 30.8 34 161 12802 240 20 17.3 10.0 | 168 21 -4.5 21.0 35 150 13270 220 21 13.5 16.1 | 163 28 -8.3 27.0 36 140 13716 215 20 11.5 16.4 | 159 29 -10.3 27.3 37 134 14021 235 17 13.9 9.8 | 159 22 -7.9 20.7 38 128 14326 195 11 2.8 10.6 | 139 29 -19.0 21.6 39 122 14630 215 14 8.0 11.5 | 148 26 -13.8 22.4 40 117 14935 210 16 8.0 13.9 | 151 28 -13.8 24.8 41 111 15240 235 13 10.6 7.5 | 149 22 -11.1 18.4 42 102 15850 260 10 9.8 1.7 | 137 17 -11.9 12.7 43 100 15950 210 8 4.0 6.9 | 135 25 -17.8 17.9 44 97 16154 215 8 4.6 6.6 | 136 25 -17.2 17.5 45 88 16764 190 13 2.3 12.8 | 141 31 -19.5 23.8 46 84 17069 215 15 8.6 12.3 | 150 27 -13.2 23.2 47 81 17374 225 11 7.8 7.8 | 143 23 -14.0 18.7 48 77 17678 260 10 9.8 1.7 | 137 17 -11.9 12.7 49 70 18300 160 7 -2.4 6.6 | 126 30 -24.2 17.5 50 67 18593 165 10 -2.6 9.7 | 130 32 -24.4 20.6 51 64 18898 170 10 -1.7 9.8 | 131 31 -23.5 20.8 52 53 20117 110 11 -10.3 3.8 | 115 35 -32.1 14.7 53 50 20520 150 13 -6.5 11.3 | 128 36 -28.3 22.2 54 48 20726 115 13 -11.8 5.5 | 116 37 -33.6 16.5 55 46 21031 185 11 1.0 11.0 | 136 30 -20.8 21.9 56 44 21336 175 13 -1.1 13.0 | 136 33 -22.9 23.9 57 42 21641 190 10 1.7 9.8 | 136 29 -20.1 20.8 58 37 22555 0 0 -0.0 -0.0 | 117 24 -21.8 11.0 59 30 23880 120 8 -6.9 4.0 | 118 32 -28.7 15.0 60 29 24079 130 11 -8.4 7.1 | 121 35 -30.2 18.0 61 28 24384 110 10 -9.4 3.4 | 115 34 -31.2 14.4 62 25 24994 130 10 -7.7 6.4 | 121 34 -29.5 17.4 63 24 25298 85 10 -10.0 -0.9 | 108 33 -31.8 10.1 64 23 25603 115 15 -13.6 6.3 | 116 39 -35.4 17.3 65 22 25908 125 13 -10.6 7.5 | 120 37 -32.4 18.4 66 20 26550 135 7 -4.9 4.9 | 121 31 -26.7 15.9 67 18 27127 105 11 -10.6 2.8 | 113 35 -32.4 13.8 68 17 27432 135 13 -9.2 9.2 | 123 37 -31.0 20.2 69 17 27737 150 11 -5.5 9.5 | 127 34 -27.3 20.5 70 16 28042 135 10 -7.1 7.1 | 122 34 -28.9 18.0 71 15 28651 90 12 -12.0 0.0 | 108 36 -33.8 11.0 72 14 28956 55 10 -8.2 -5.7 | 100 30 -30.0 5.2 73 13 29261 0 0 -0.0 -0.0 | 117 24 -21.8 11.0 74 12 30175 30 10 -5.0 -8.7 | 95 27 -26.8 2.3 75 10 31110 55 7 -5.7 -4.0 | 104 28 -27.5 6.9 Wind Parameters Mean winds (0-6000m): 266.7 at 32.5 knts Storm direction: 296.7 at 24.4 knts Shear (0-3000m) pos: 3.2 neg: 2.7 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 101.6 deg Storm rel helicity (0-3000m) pos: 68.2 neg: -10.6 tot: 57.6 m^2/s^2 ave: 19.2 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 3.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.60 Bulk Shear: 53.70 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 ------------------------------------------------------------------------------- 500 286 14 129 11| 18.0 0.0 18.0| 22.5 0.0 22.5 45.0 0.30| 19.0 5.7 1000 287 16 135 9| 9.5 0.0 9.5| 24.5 -2.1 22.4 22.4 0.23| 11.6 2.7 1500 287 17 135 9| 6.3 0.7 7.1| 27.4 -3.0 24.4 16.3 0.22| 9.1 2.0 2000 286 17 141 8| 4.7 2.1 6.8| 41.4 -3.0 38.4 19.2 0.37| 9.0 3.3 2500 282 19 155 8| 3.8 2.0 5.8| 49.6 -10.6 38.9 15.6 0.32| 8.6 2.7 3000 279 20 169 8| 3.2 2.7 5.9| 68.2 -10.6 57.6 19.2 0.38| 8.4 3.2 4000 274 25 196 10| 2.4 3.3 5.7| 80.0 -10.6 69.4 17.3 0.36| 7.6 2.7 5000 269 28 210 13| 1.9 3.3 5.2| 94.8 -10.6 84.2 16.8 0.35| 6.7 2.4 6000 267 33 220 17| 1.6 3.5 5.1|129.3 -10.6 118.7 19.8 0.36| 6.4 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250421.12.gif