UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for KVBG... Searching the city database file for: KVBG ... Date:0000Z 18 APR 25 Station: KVBG WMO ident: 72393 Latitude: 34.73 Longitude: -120.58 Elevation: 112.00 ------------------------------------------------------------------------------- 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 1002 112 16.0 10.0 68 6.0 12.5 300 15 289.0 290.3 285.6 310.7 7.71 1 1000 120 13.4 9.1 75 4.3 11.0 315 8 286.5 287.8 284.1 306.9 7.26 2 999 128 13.2 9.2 77 4.0 10.9 314 8 286.4 287.7 284.1 306.9 7.32 3 958 480 10.0 9.1 94 0.9 9.5 298 10 286.6 288.0 284.5 307.8 7.59 4 925 771 8.4 5.5 82 2.9 6.9 300 9 287.9 289.0 283.5 305.2 6.13 5 891 1079 5.8 4.2 89 1.6 5.0 284 14 288.3 289.3 283.3 304.8 5.80 6 853 1435 4.8 -0.1 71 4.9 2.5 266 13 290.9 291.7 282.9 303.8 4.45 7 850 1464 4.8 -0.2 70 5.0 2.5 265 13 291.2 292.0 283.0 304.0 4.43 8 799 1968 3.2 2.7 97 0.5 2.9 325 7 294.7 295.7 285.9 311.6 5.82 9 749 2494 4.8 -6.2 45 11.0 -0.0 321 22 301.9 302.5 285.9 311.8 3.21 10 700 3043 1.2 -7.8 51 9.0 -2.6 330 22 303.8 304.4 286.5 313.2 3.03 11 699 3054 1.2 -7.8 51 9.0 -2.6 330 22 303.9 304.5 286.5 313.4 3.04 12 562 4766 -10.3 -41.3 6 31.0 -15.3 8 20 309.9 310.0 285.5 310.6 0.18 13 512 5473 -16.7 -50.7 4 34.0 -20.4 10 28 310.6 310.6 285.6 310.8 0.07 14 500 5650 -18.1 -50.1 4 32.0 -21.5 355 25 311.0 311.0 285.8 311.3 0.08 15 432 6721 -28.1 -50.1 10 22.0 -29.8 360 33 311.5 311.6 286.0 311.9 0.09 16 429 6771 -28.5 -51.5 9 23.0 -30.2 358 36 311.6 311.7 286.0 311.9 0.08 17 419 6940 -29.9 -49.9 13 20.0 -31.4 353 43 312.0 312.0 286.1 312.3 0.10 18 409 7112 -30.5 -35.5 62 5.0 -31.1 348 44 313.3 313.4 287.1 314.9 0.45 19 400 7270 -31.1 -39.1 45 8.0 -32.0 345 40 314.6 314.6 287.3 315.7 0.32 20 397 7323 -31.3 -43.3 30 12.0 -32.4 350 39 315.0 315.0 287.3 315.8 0.21 21 326 8684 -43.1 -51.1 41 8.0 -43.5 10 57 317.0 317.0 287.9 317.4 0.11 22 300 9240 -45.7 -62.7 13 17.0 -46.2 20 78 320.9 320.9 289.0 321.1 0.03 23 296 9329 -45.9 -63.9 11 18.0 -46.4 20 80 321.9 321.9 289.3 322.0 0.02 24 277 9768 -48.7 -64.7 14 16.0 -49.1 20 83 324.0 324.0 290.0 324.1 0.02 25 267 10009 -49.1 -66.5 11 17.4 -49.4 15 93 326.9 326.9 290.9 327.0 0.02 26 250 10440 -49.7 -69.7 8 20.0 -50.1 15 83 332.2 332.2 292.3 332.2 0.01 27 200 11880 -58.1 -75.1 10 17.0 -58.3 360 46 340.8 340.8 294.5 340.8 0.01 28 183 12438 -59.5 -77.5 8 18.0 -59.7 340 45 347.2 347.3 296.0 347.3 0.01 29 174 12757 -54.1 -81.1 2 27.0 -54.5 339 33 361.2 361.2 299.0 361.2 0.00 30 158 13371 -57.7 -83.7 2 26.0 -57.9 307 28 365.2 365.2 299.7 365.2 0.00 31 150 13700 -55.7 -83.7 2 28.0 -56.1 290 23 374.1 374.1 301.3 374.1 0.00 32 148 13785 -55.5 -83.5 2 28.0 -55.8 280 23 375.9 375.9 301.6 375.9 0.00 33 126 14798 -59.9 -85.9 2 26.0 -60.2 275 28 385.6 385.6 303.1 385.6 0.00 34 100 16240 -59.5 -86.5 2 27.0 -59.8 265 28 412.8 412.8 306.9 412.8 0.00 35 82 17474 -62.1 -88.1 2 26.0 -62.4 280 27 431.6 431.6 309.0 431.6 0.00 36 76 17947 -58.9 -86.9 2 28.0 -59.3 272 21 447.7 447.7 310.6 447.7 0.00 37 70 18460 -61.1 -88.1 2 27.0 -61.4 275 14 453.7 453.7 311.2 453.7 0.00 38 67 18731 -62.1 -88.1 2 26.0 -62.4 248 11 457.2 457.2 311.5 457.2 0.00 39 60 19417 -59.5 -87.5 1 28.0 -60.0 282 16 477.7 477.7 313.2 477.7 0.00 40 50 20550 -62.1 -89.1 2 27.0 -62.6 215 12 497.1 497.1 314.8 497.2 0.00 41 44 21342 -61.3 -88.3 2 27.0 -61.9 184 6 517.6 517.6 316.1 517.6 0.00 42 34 22964 -55.5 -86.5 1 31.0 -56.9 250 16 572.5 572.5 319.3 572.5 0.01 43 33 23154 -55.9 -86.9 1 31.0 -57.2 250 13 576.3 576.3 319.5 576.4 0.01 TRP 183 12438 -59.5 -77.5 8 18.0 -59.7 340 45 347.2 347.3 296.0 347.3 0.01 WND 267 10009 -49.1 -66.5 11 17.4 -49.4 15 93 326.9 326.9 290.9 327.0 0.02 Sounding variables and indices 1000-500 mb thick: 5530.00 m Freezing level: 684.70 mb = 3233.04 m = 10606.95 ft Wetbulb zero: 749.65 mb = 2487.09 m = 8159.66 ft Precipitable water: 0.74 inches Sfc-500 mean rel hum: 48.33 % Est. max temperature: 17.99 C = 64.39 F Sfc-Lift cond lev (LCL): 915.96 mb = 851.83 m = 2794.68 ft T: 7.72 C 700-500 lapse rate: 7.40 C/km ThetaE index: 4.08 C Layer 925.0- 850.0 mb Conv cond level (CCL): 905.34 mb = 947.69 m = 3109.17 ft Mean mixing ratio: 6.91 g/kg Conv temperature: 15.15 C = 59.28 F Cap Strength: 7.38 C Lifted Index: 6.43 C Risk: None Lifted Index @300 mb: 10.35 C Lifted Index @700 mb: 7.04 C Showalter Index: 8.07 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 17.90 C K Index: 13.70 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 1.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.72 J/kg Max Up Vert Vel: 3.93 m/s Conv Inhibition (B-): 31284.13 J/kg Cap Strength: 7.34 C Lift Cond Lev (LCL): 918.57 mb = 828.41 m = 2717.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 9 at 13 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 1002 112 300 15 13.0 -7.5 | 249 16 15.1 5.7 1 1000 120 315 8 5.7 -5.7 | 226 11 7.8 7.5 2 978 305 295 12 10.9 -5.1 | 238 15 13.0 8.1 3 943 610 300 8 6.9 -4.0 | 225 13 9.1 9.2 4 925 771 300 9 7.8 -4.5 | 229 13 9.9 8.7 5 909 914 300 14 12.1 -7.0 | 247 16 14.2 6.2 6 876 1219 270 14 14.0 -0.0 | 231 21 16.1 13.2 7 850 1464 265 13 13.0 1.1 | 226 21 15.1 14.3 8 844 1524 270 10 10.0 -0.0 | 223 18 12.1 13.2 9 813 1829 320 7 4.5 -5.4 | 220 10 6.6 7.8 10 783 2134 330 7 3.5 -6.1 | 218 9 5.6 7.1 11 754 2438 320 22 14.1 -16.9 | 283 17 16.3 -3.7 12 726 2743 325 20 11.5 -16.4 | 283 14 13.6 -3.2 13 700 3043 330 22 11.0 -19.1 | 294 14 13.1 -5.9 14 700 3048 330 22 11.0 -19.1 | 294 14 13.1 -5.9 15 673 3353 340 23 7.9 -21.6 | 310 13 10.0 -8.4 16 647 3658 340 20 6.8 -18.8 | 302 11 9.0 -5.6 17 622 3962 340 20 6.8 -18.8 | 302 11 9.0 -5.6 18 598 4267 350 22 3.8 -21.7 | 325 10 5.9 -8.5 19 575 4572 5 18 -1.6 -17.9 | 353 5 0.6 -4.7 20 552 4877 10 22 -3.8 -21.7 | 11 9 -1.7 -8.5 21 531 5182 10 23 -4.0 -22.7 | 11 10 -1.9 -9.5 22 511 5486 10 28 -4.9 -27.6 | 11 15 -2.7 -14.4 23 500 5650 355 25 2.2 -24.9 | 340 12 4.3 -11.7 24 490 5791 360 23 -0.0 -23.0 | 348 10 2.1 -9.8 25 470 6096 355 22 1.9 -21.9 | 335 10 4.0 -8.7 26 451 6401 360 20 -0.0 -20.0 | 343 7 2.1 -6.8 27 432 6706 360 33 -0.0 -33.0 | 354 20 2.1 -19.8 28 415 7010 350 47 8.2 -46.3 | 343 35 10.3 -33.1 29 400 7270 345 40 10.4 -38.6 | 334 28 12.5 -25.5 30 397 7315 350 39 6.8 -38.4 | 341 27 8.9 -25.2 31 380 7620 0 41 -0.0 -41.0 | 356 28 2.1 -27.8 32 364 7925 0 44 -0.0 -44.0 | 356 31 2.1 -30.8 33 348 8230 10 50 -8.7 -49.2 | 10 37 -6.6 -36.1 34 333 8534 10 53 -9.2 -52.2 | 10 40 -7.1 -39.0 35 318 8839 10 62 -10.8 -61.1 | 10 49 -8.6 -47.9 36 304 9144 20 74 -25.3 -69.5 | 22 61 -23.2 -56.4 37 300 9240 20 78 -26.7 -73.3 | 22 65 -24.6 -60.1 38 291 9449 20 83 -28.4 -78.0 | 22 70 -26.3 -64.8 39 278 9754 20 82 -28.0 -77.1 | 22 69 -25.9 -63.9 40 267 10009 15 93 -24.1 -89.8 | 16 80 -21.9 -76.6 41 265 10058 10 93 -16.1 -91.6 | 10 80 -14.0 -78.4 42 253 10363 15 81 -21.0 -78.2 | 16 68 -18.8 -65.1 43 250 10440 15 83 -21.5 -80.2 | 16 70 -19.4 -67.0 44 241 10668 15 83 -21.5 -80.2 | 16 70 -19.4 -67.0 45 230 10973 15 81 -21.0 -78.2 | 16 68 -18.8 -65.1 46 220 11278 20 66 -22.6 -62.0 | 23 53 -20.4 -48.8 47 209 11582 10 57 -9.9 -56.1 | 10 44 -7.8 -43.0 48 200 11880 360 46 -0.0 -46.0 | 356 33 2.1 -32.8 49 200 11887 360 45 -0.0 -45.0 | 356 32 2.1 -31.8 50 190 12192 350 43 7.5 -42.3 | 342 31 9.6 -29.2 51 183 12438 340 45 15.4 -42.3 | 329 34 17.5 -29.1 52 181 12497 335 49 20.7 -44.4 | 324 39 22.8 -31.2 53 173 12802 340 30 10.3 -28.2 | 320 19 12.4 -15.0 54 165 13106 320 18 11.6 -13.8 | 273 14 13.7 -0.6 55 157 13411 305 29 23.8 -16.6 | 278 26 25.9 -3.5 56 150 13700 290 23 21.6 -7.9 | 257 24 23.7 5.3 57 150 13716 280 23 22.7 -4.0 | 250 26 24.8 9.2 58 143 14021 280 23 22.7 -4.0 | 250 26 24.8 9.2 59 136 14326 270 26 26.0 -0.0 | 245 31 28.1 13.2 60 129 14630 270 27 27.0 -0.0 | 246 32 29.1 13.2 61 123 14935 280 29 28.6 -5.0 | 255 32 30.7 8.1 62 117 15240 280 31 30.5 -5.4 | 257 34 32.7 7.8 63 112 15545 285 25 24.1 -6.5 | 256 27 26.3 6.7 64 106 15850 270 24 24.0 -0.0 | 243 29 26.1 13.2 65 101 16154 260 27 26.6 4.7 | 238 34 28.7 17.9 66 100 16240 265 28 27.9 2.4 | 243 34 30.0 15.6 67 97 16459 275 24 23.9 -2.1 | 247 28 26.0 11.1 68 92 16764 260 22 21.7 3.8 | 234 29 23.8 17.0 69 88 17069 270 28 28.0 -0.0 | 246 33 30.1 13.2 70 83 17374 275 27 26.9 -2.4 | 250 31 29.0 10.8 71 79 17678 290 27 25.4 -9.2 | 262 28 27.5 3.9 72 76 17983 270 20 20.0 -0.0 | 239 26 22.1 13.2 73 72 18288 270 18 18.0 -0.0 | 237 24 20.1 13.2 74 70 18460 275 14 13.9 -1.2 | 233 20 16.1 12.0 75 69 18593 280 8 7.9 -1.4 | 220 15 10.0 11.8 76 65 18898 210 15 7.5 13.0 | 200 28 9.6 26.2 77 62 19202 250 23 21.6 7.9 | 228 32 23.7 21.0 78 59 19507 295 13 11.8 -5.5 | 241 16 13.9 7.7 79 56 19812 230 5 3.8 3.2 | 200 17 6.0 16.4 80 54 20117 240 4 3.5 2.0 | 200 16 5.6 15.2 81 51 20422 210 8 4.0 6.9 | 197 21 6.1 20.1 82 50 20550 215 12 6.9 9.8 | 201 25 9.0 23.0 83 48 20726 220 14 9.0 10.7 | 205 26 11.1 23.9 84 45 21031 190 6 1.0 5.9 | 189 19 3.2 19.1 85 42 21336 170 7 -1.2 6.9 | 183 20 0.9 20.1 86 39 21641 210 11 5.5 9.5 | 199 24 7.6 22.7 87 37 21946 260 11 10.8 1.9 | 221 20 13.0 15.1 88 34 22250 250 17 16.0 5.8 | 224 26 18.1 19.0 89 32 22555 250 10 9.4 3.4 | 215 20 11.5 16.6 90 30 22860 275 8 8.0 -0.7 | 219 16 10.1 12.5 Wind Parameters Mean winds (0-6000m): 339.2 at 17.8 knts Storm direction: 9.2 at 13.4 knts Shear (0-3000m) pos: 2.4 neg: 1.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 47.9 deg Storm rel helicity (0-3000m) pos: 71.4 neg: -67.3 tot: 4.1 m^2/s^2 ave: 1.4 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.41 Bulk Shear: 18.87 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 ------------------------------------------------------------------------------- 500 299 10 233 14| 0.0 7.2 7.2| 3.3 -26.0 -22.8 -45.5 -0.52| 12.2 -6.3 1000 297 11 235 14| 0.0 2.6 2.6| 22.7 -40.0 -17.2 -17.2 -0.17| 11.6 -2.0 1500 287 11 233 16| 1.7 1.7 3.4| 24.8 -63.5 -38.7 -25.8 -0.25| 11.0 -2.7 2000 292 10 232 15| 2.8 1.3 4.1| 25.0 -67.3 -42.3 -21.1 -0.24| 9.9 -2.3 2500 301 12 239 14| 2.2 2.3 4.5| 58.4 -67.3 -8.9 -3.6 0.05| 11.2 0.6 3000 308 13 248 14| 2.4 1.9 4.3| 71.4 -67.3 4.1 1.4 0.11| 10.1 1.1 4000 320 15 263 12| 2.4 1.5 3.9| 86.8 -71.5 15.4 3.8 0.15| 8.5 1.2 5000 331 16 277 10| 2.9 1.2 4.1|103.1 -71.5 31.6 6.3 0.22| 8.2 1.8 6000 339 18 292 9| 2.4 1.4 3.8|105.1 -99.2 5.9 1.0 0.10| 8.1 0.8 Wrote GIF file: /home/apache/climate/data/raob//KVBG/skewt/KVBG.skewt.20250418.00.gif