UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for CYVQ... Searching the city database file for: CYVQ ... Date:1200Z 28 APR 25 Station: CYVQ WMO ident: 71043 Latitude: 65.28 Longitude: -126.75 Elevation: 94.00 ------------------------------------------------------------------------------- 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 1000 94 -3.1 -7.4 72 4.3 -4.5 255 1 270.0 270.4 268.7 276.0 2.19 1 994 142 -2.1 -8.1 63 6.0 -4.0 208 2 271.5 271.9 269.4 277.3 2.08 2 925 712 -4.3 -9.1 69 4.8 -5.8 160 6 274.9 275.3 271.5 280.7 2.07 3 858 1302 -6.9 -8.5 88 1.6 -7.4 241 4 278.2 278.6 273.9 284.8 2.34 4 850 1375 -4.9 -8.2 78 3.3 -6.0 265 6 281.0 281.4 275.6 287.9 2.42 5 849 1384 -4.7 -8.1 77 3.4 -5.8 263 6 281.3 281.7 275.7 288.3 2.44 6 777 2077 -8.9 -10.0 92 1.1 -9.2 267 12 284.0 284.4 277.0 290.7 2.30 7 700 2878 -14.1 -15.2 91 1.1 -14.4 290 20 286.9 287.2 277.6 291.9 1.67 8 691 2976 -14.9 -15.8 93 0.9 -15.2 290 20 287.0 287.3 277.6 291.9 1.61 9 651 3425 -17.3 -18.8 88 1.5 -17.6 284 24 289.3 289.5 278.3 293.3 1.33 10 602 4006 -21.9 -24.9 77 3.0 -22.4 283 27 290.5 290.6 278.2 293.1 0.84 11 554 4611 -27.3 -27.4 99 0.1 -27.3 285 29 291.1 291.2 278.3 293.4 0.73 12 551 4650 -25.3 -26.4 90 1.1 -25.5 285 29 293.9 294.1 279.7 296.5 0.80 13 535 4864 -26.1 -28.0 84 1.9 -26.4 285 30 295.4 295.6 280.3 297.7 0.71 14 500 5350 -29.3 -31.7 80 2.4 -29.6 295 35 297.3 297.4 280.9 299.1 0.54 15 449 6111 -34.7 -38.0 72 3.3 -35.0 290 37 299.8 299.9 281.7 300.9 0.32 16 446 6158 -35.1 -38.0 75 2.9 -35.4 290 37 299.9 299.9 281.7 301.0 0.32 17 417 6625 -38.5 -45.5 48 7.0 -38.9 287 40 301.3 301.4 282.1 301.9 0.16 18 406 6808 -39.9 -45.9 53 6.0 -40.2 286 41 301.8 301.9 282.3 302.4 0.15 19 400 6910 -40.3 -47.3 47 7.0 -40.6 285 42 302.6 302.6 282.6 303.1 0.13 20 385 7168 -42.3 -55.3 23 13.0 -42.8 287 42 303.3 303.3 282.8 303.5 0.05 21 338 8034 -48.5 -57.5 34 9.0 -48.7 288 45 306.4 306.4 284.0 306.5 0.05 22 331 8171 -49.3 -59.3 30 10.0 -49.6 288 45 307.1 307.1 284.3 307.3 0.04 23 328 8230 -49.7 -55.7 49 6.0 -49.8 287 46 307.4 307.4 284.4 307.6 0.06 24 320 8391 -50.1 -62.1 23 12.0 -50.3 287 46 309.0 309.0 284.9 309.1 0.03 25 310 8597 -50.7 -63.7 20 13.0 -51.0 286 47 311.0 311.0 285.7 311.0 0.02 26 305 8703 -51.1 -59.1 38 8.0 -51.3 285 48 311.8 311.9 286.1 312.0 0.04 27 300 8810 -50.9 -61.9 26 11.0 -51.1 285 48 313.6 313.6 286.6 313.7 0.03 28 283 9190 -52.3 -66.3 17 14.0 -52.5 285 50 316.9 316.9 287.8 316.9 0.02 29 271 9470 -53.7 -64.7 25 11.0 -53.9 285 51 318.8 318.8 288.4 318.9 0.02 30 250 9990 -53.1 -75.1 5 22.0 -53.4 290 46 327.1 327.1 290.9 327.1 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5256.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 83.59 % Est. max temperature: 7.86 C = 46.15 F Sfc-Lift cond lev (LCL): 934.49 mb = 631.07 m = 2070.41 ft T: -3.99 C 700-500 lapse rate: 6.15 C/km Conv cond level (CCL): 730.68 mb = 2548.71 m = 8361.82 ft Mean mixing ratio: 2.09 g/kg Conv temperature: 12.56 C = 54.61 F Cap Strength: 13.93 C Lifted Index: 15.04 C Risk: None Lifted Index @300 mb: 24.20 C Lifted Index @700 mb: 8.97 C Showalter Index: 8.47 C Risk: None Total Totals Index: 45.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 21.10 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 47.00 Risk: None Energy Index: 2.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.69 J/kg Max Up Vert Vel: 5.42 m/s Conv Inhibition (B-): 5546.57 J/kg Cap Strength: 14.86 C Lift Cond Lev (LCL): 875.26 mb = 1145.44 m = 3757.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 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 1000 94 255 1 1.0 0.3 | 138 15 -9.9 10.9 1 1000 96 225 1 0.7 0.7 | 138 15 -10.2 11.4 2 974 305 150 4 -2.0 3.5 | 138 19 -12.9 14.1 3 937 610 160 6 -2.1 5.6 | 142 21 -12.9 16.3 4 925 712 160 6 -2.1 5.6 | 142 21 -12.9 16.3 5 901 914 230 3 2.3 1.9 | 146 15 -8.6 12.6 6 867 1219 215 2 1.1 1.6 | 142 16 -9.7 12.3 7 850 1375 265 6 6.0 0.5 | 156 12 -4.9 11.2 8 834 1524 230 1 0.8 0.6 | 138 15 -10.1 11.3 9 802 1829 295 11 10.0 -4.6 | 171 6 -0.9 6.0 10 771 2134 260 12 11.8 2.1 | 184 13 0.9 12.7 11 741 2438 275 24 23.9 -2.1 | 237 16 13.0 8.6 12 712 2743 285 20 19.3 -5.2 | 237 10 8.4 5.5 13 700 2878 290 20 18.8 -6.8 | 244 9 7.9 3.8 14 684 3048 290 20 18.8 -6.8 | 244 9 7.9 3.8 15 630 3658 280 26 25.6 -4.5 | 247 16 14.7 6.1 16 579 4267 285 28 27.0 -7.2 | 258 17 16.2 3.4 17 533 4877 285 30 29.0 -7.8 | 261 18 18.1 2.9 18 500 5350 295 35 31.7 -14.8 | 281 21 20.9 -4.1 19 490 5486 295 35 31.7 -14.8 | 281 21 20.9 -4.1 20 449 6096 290 37 34.8 -12.7 | 275 24 23.9 -2.0 21 400 6910 285 42 40.6 -10.9 | 270 30 29.7 -0.2 22 359 7620 290 43 40.4 -14.7 | 278 30 29.5 -4.0 23 300 8810 285 48 46.4 -12.4 | 273 36 35.5 -1.8 24 285 9144 285 50 48.3 -12.9 | 273 37 37.4 -2.3 25 259 9754 285 52 50.2 -13.5 | 274 39 39.4 -2.8 26 250 9990 290 46 43.2 -15.7 | 279 33 32.4 -5.1 27 247 10058 290 46 43.2 -15.7 | 279 33 32.4 -5.1 Wind Parameters Mean winds (0-6000m): 284.4 at 20.3 knts Storm direction: 314.4 at 15.2 knts Shear (0-3000m) pos: 4.2 neg: 1.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 107.3 deg Storm rel helicity (0-3000m) pos: 101.9 neg: -20.2 tot: 81.7 m^2/s^2 ave: 27.2 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 69.19 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 ------------------------------------------------------------------------------- 500 158 4 139 19| 0.0 6.3 6.3| 9.6 -4.3 5.3 10.7 0.16| 6.9 1.1 1000 171 4 142 19| 2.7 3.1 5.8| 18.9 -7.9 11.0 11.0 0.15| 7.0 1.0 1500 192 4 145 18| 2.2 2.1 4.3| 35.7 -20.1 15.6 10.4 0.13| 8.0 1.0 2000 242 5 154 15| 3.7 1.6 5.3| 54.1 -20.1 34.0 17.0 0.26| 9.6 2.5 2500 261 8 166 12| 5.2 1.3 6.5| 98.7 -20.1 78.6 31.5 0.43| 10.7 4.6 3000 271 10 176 10| 4.2 1.0 5.3|101.9 -20.2 81.7 27.2 0.41| 9.8 4.0 4000 277 14 198 9| 3.5 1.0 4.4|112.3 -20.4 91.9 23.0 0.40| 8.5 3.4 5000 280 17 218 10| 3.3 0.8 4.1|135.9 -20.4 115.5 23.1 0.43| 7.4 3.2 6000 284 20 238 10| 3.1 0.9 4.0|156.4 -35.5 120.9 20.2 0.40| 6.8 2.8 Wrote GIF file: /home/apache/climate/data/raob//CYVQ/skewt/CYVQ.skewt.20250428.12.gif