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 VO466... Searching the city database file for: VO466 ... Date:0000Z 18 APR 25 Station: VO466 WMO ident: 43466 Latitude: 6.90 Longitude: 79.87 ------------------------------------------------------------------------------- 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 1008 9 28.8 22.8 70 6.0 24.4 230 3 301.3 304.5 297.3 353.1 17.60 1 1000 79 28.8 24.1 76 4.7 25.3 225 6 302.0 305.5 298.5 358.8 19.23 2 952 515 24.6 22.9 90 1.7 23.4 213 10 302.0 305.4 298.2 357.5 18.78 3 925 767 22.8 20.7 88 2.1 21.3 235 10 302.6 305.7 297.2 352.5 16.84 4 883 1172 21.0 15.0 69 6.0 17.0 226 10 304.8 307.1 294.6 341.3 12.23 5 850 1501 18.8 15.3 80 3.5 16.4 210 12 305.8 308.3 295.4 344.7 12.97 6 813 1881 17.4 12.7 74 4.7 14.3 175 9 308.3 310.4 295.0 342.9 11.43 7 733 2753 10.8 8.7 87 2.1 9.5 358 2 310.3 312.2 294.3 340.0 9.68 8 703 3101 11.0 -4.0 35 15.0 3.5 265 3 314.3 315.1 290.9 327.2 4.04 9 700 3137 10.8 -2.2 40 13.0 4.0 265 3 314.4 315.3 291.5 329.2 4.65 10 687 3293 9.4 4.4 71 5.0 6.5 286 3 314.6 316.0 294.0 338.5 7.66 11 662 3598 7.4 6.1 91 1.3 6.6 353 5 315.7 317.4 295.2 343.7 8.96 12 649 3761 6.6 5.6 93 1.0 6.0 2 6 316.6 318.3 295.4 344.3 8.83 13 644 3824 5.8 4.0 88 1.8 4.8 357 7 316.4 317.9 294.7 341.4 7.95 14 636 3926 5.2 -6.8 42 12.0 -0.4 349 8 316.8 317.5 291.3 328.5 3.61 15 628 4030 8.4 -9.6 27 18.0 0.1 330 9 321.6 322.2 292.1 331.4 2.94 16 536 5317 0.0 -25.0 13 25.0 -7.9 227 2 326.5 326.7 291.7 329.8 0.94 17 533 5362 -0.3 -18.3 24 18.0 -7.0 236 1 326.6 327.0 292.4 332.5 1.70 18 501 5854 -3.3 -30.3 10 27.0 -10.6 281 2 328.8 329.0 292.0 331.1 0.61 19 500 5870 -3.3 -32.3 9 29.0 -10.8 290 2 329.0 329.1 292.0 330.9 0.51 20 484 6127 -4.7 -32.7 9 28.0 -11.8 290 5 330.4 330.5 292.3 332.3 0.51 21 467 6408 -7.3 -19.3 38 12.0 -11.5 240 5 330.5 330.9 293.5 336.8 1.78 22 400 7600 -14.5 -28.5 29 14.0 -18.1 280 8 336.1 336.3 294.2 339.5 0.91 23 387 7850 -15.7 -34.7 18 19.0 -19.7 282 7 337.8 337.9 294.3 339.7 0.52 24 340 8814 -22.7 -40.7 18 18.0 -25.5 188 6 341.0 341.0 294.8 342.2 0.32 25 317 9325 -26.9 -41.9 23 15.0 -29.0 197 3 342.0 342.1 295.1 343.2 0.30 26 306 9579 -29.1 -37.1 46 8.0 -30.3 242 3 342.4 342.5 295.4 344.4 0.52 27 300 9720 -29.9 -39.9 37 10.0 -31.3 290 5 343.2 343.3 295.4 344.8 0.40 28 294 9864 -31.3 -40.3 41 9.0 -32.5 308 5 343.2 343.3 295.4 344.8 0.39 29 280 10207 -34.3 -38.5 66 4.2 -34.8 17 4 343.7 343.8 295.7 345.7 0.49 30 274 10358 -35.5 -39.1 69 3.6 -36.0 57 5 344.1 344.2 295.7 346.0 0.47 31 265 10590 -37.1 -45.1 43 8.0 -37.8 71 5 345.1 345.2 295.8 346.2 0.26 32 250 10990 -40.5 -48.5 42 8.0 -41.1 30 5 345.9 345.9 295.9 346.6 0.19 33 224 11728 -46.1 -57.1 28 11.0 -46.6 89 9 348.3 348.3 296.3 348.6 0.08 34 200 12470 -52.7 -61.7 33 9.0 -52.9 80 12 349.3 349.3 296.5 349.5 0.05 35 185 12970 -57.1 -63.1 46 6.0 -57.2 79 14 350.1 350.1 296.7 350.2 0.04 36 177 13250 -59.5 -67.5 35 8.0 -59.6 78 15 350.6 350.6 296.8 350.7 0.02 37 150 14270 -67.5 -74.5 36 7.0 -67.5 75 18 353.8 353.8 297.4 353.9 0.01 38 110 16072 -79.9 -85.9 36 6.0 -79.9 95 24 363.3 363.3 299.4 363.3 0.00 39 100 16610 -79.5 -86.5 30 7.0 -79.5 90 23 374.1 374.1 301.3 374.1 0.00 TRP 110 16072 -79.9 -85.9 36 6.0 -79.9 95 24 363.3 363.3 299.4 363.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 536.00 mb = 5317.17 m = 17444.57 ft Wetbulb zero: 636.69 mb = 3917.53 m = 12852.65 ft Precipitable water: 1.97 inches Sfc-500 mean rel hum: 57.54 % Est. max temperature: 33.13 C = 91.64 F Sfc-Lift cond lev (LCL): 924.29 mb = 773.68 m = 2538.28 ft T: 22.77 C 700-500 lapse rate: 5.16 C/km ThetaE index: 17.53 C Layer 813.0- 700.0 mb Conv cond level (CCL): 886.28 mb = 1139.35 m = 3737.99 ft Mean mixing ratio: 18.07 g/kg Conv temperature: 32.17 C = 89.91 F Cap Strength: 0.75 C Lifted Index: -2.32 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.55 C Lifted Index @700 mb: -1.29 C Showalter Index: 1.60 C Risk: Showers probable Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 18.60 C K Index: 24.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 209.60 Risk: None Energy Index: -2.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1493.97 J/kg Max Up Vert Vel: 54.66 m/s Conv Inhibition (B-): 11.72 J/kg Cap Strength: 0.75 C Lift Cond Lev (LCL): 917.78 mb = 835.25 m = 2740.29 ft Lev Free Conv (LFC): 852.78 mb = 1472.78 m = 4831.90 ft Equ Level (EL): 622.78 mb = 4098.02 m = 13444.77 ft B at Equ Level: 150.34 J/kg Wind level data Storm motion: 265 at 4 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 1008 9 230 3 2.3 1.9 | 128 3 -2.0 1.5 1 1000 79 225 6 4.2 4.2 | 179 4 -0.1 3.8 2 942 610 210 11 5.5 9.5 | 188 9 1.2 9.1 3 925 767 235 10 8.2 5.7 | 216 7 3.9 5.3 4 909 914 230 8 6.1 5.1 | 201 5 1.8 4.7 5 878 1219 225 10 7.1 7.1 | 203 7 2.8 6.7 6 850 1501 210 12 6.0 10.4 | 190 10 1.7 10.0 7 848 1524 210 12 6.0 10.4 | 190 10 1.7 10.0 8 818 1829 175 10 -0.9 10.0 | 152 11 -5.2 9.6 9 761 2438 170 2 -0.3 2.0 | 109 5 -4.6 1.6 10 733 2743 360 2 -0.0 -2.0 | 61 5 -4.3 -2.4 11 707 3048 265 4 4.0 0.3 | 82 0 -0.3 -0.0 12 700 3137 265 3 3.0 0.3 | 84 1 -1.3 -0.1 13 682 3353 295 3 2.7 -1.3 | 44 2 -1.6 -1.7 14 657 3658 10 5 -0.9 -4.9 | 44 7 -5.2 -5.3 15 632 3962 345 9 2.3 -8.7 | 12 9 -2.0 -9.1 16 609 4267 265 7 7.0 0.6 | 265 3 2.7 0.2 17 565 4877 285 3 2.9 -0.8 | 50 2 -1.4 -1.2 18 544 5182 205 2 0.8 1.8 | 112 4 -3.5 1.4 19 524 5486 260 1 1.0 0.2 | 86 3 -3.3 -0.2 20 505 5791 245 4 3.6 1.7 | 153 1 -0.7 1.3 21 500 5870 290 2 1.9 -0.7 | 66 3 -2.4 -1.1 22 486 6096 295 5 4.5 -2.1 | 355 3 0.2 -2.5 23 467 6401 240 5 4.3 2.5 | 181 2 0.0 2.1 24 449 6706 215 6 3.4 4.9 | 169 5 -0.9 4.5 25 432 7010 235 9 7.4 5.2 | 213 6 3.1 4.8 26 415 7315 280 6 5.9 -1.0 | 312 2 1.6 -1.4 27 400 7600 280 8 7.9 -1.4 | 296 4 3.6 -1.8 28 367 8230 285 6 5.8 -1.6 | 322 2 1.5 -1.9 29 352 8534 205 7 3.0 6.3 | 167 6 -1.3 5.9 30 338 8839 185 6 0.5 6.0 | 146 7 -3.8 5.6 31 311 9449 200 2 0.7 1.9 | 112 4 -3.6 1.5 32 300 9720 290 5 4.7 -1.7 | 349 2 0.4 -2.1 33 299 9754 290 5 4.7 -1.7 | 349 2 0.4 -2.1 34 286 10058 340 4 1.4 -3.8 | 35 5 -2.9 -4.2 35 274 10363 60 5 -4.3 -2.5 | 71 9 -8.6 -2.9 36 262 10668 75 5 -4.8 -1.3 | 80 9 -9.1 -1.7 37 250 10990 30 5 -2.5 -4.3 | 55 8 -6.8 -4.7 38 239 11278 25 5 -2.1 -4.5 | 52 8 -6.4 -4.9 39 229 11582 85 8 -8.0 -0.7 | 85 12 -12.3 -1.1 40 218 11887 95 11 -11.0 1.0 | 92 15 -15.3 0.6 41 200 12470 80 12 -11.8 -2.1 | 81 16 -16.1 -2.5 42 150 14270 75 18 -17.4 -4.7 | 77 22 -21.7 -5.1 43 114 15850 70 13 -12.2 -4.4 | 74 17 -16.5 -4.8 44 110 16072 95 24 -23.9 2.1 | 93 28 -28.2 1.7 45 103 16459 105 25 -24.1 6.5 | 102 29 -28.4 6.1 46 100 16610 90 23 -23.0 0.0 | 89 27 -27.3 -0.4 47 92 17069 100 22 -21.7 3.8 | 98 26 -26.0 3.4 48 87 17374 65 20 -18.1 -8.5 | 68 24 -22.4 -8.8 49 78 17983 100 20 -19.7 3.5 | 97 24 -24.0 3.1 50 74 18288 95 9 -9.0 0.8 | 92 13 -13.3 0.4 51 70 18593 50 6 -4.6 -3.9 | 64 10 -8.9 -4.3 52 66 18898 95 9 -9.0 0.8 | 92 13 -13.3 0.4 53 63 19202 280 14 13.8 -2.4 | 287 10 9.5 -2.8 54 56 19812 260 27 26.6 4.7 | 259 23 22.3 4.3 55 53 20117 250 39 36.6 13.3 | 248 35 32.4 12.9 56 48 20726 280 34 33.5 -5.9 | 282 30 29.2 -6.3 57 36 22250 290 40 37.6 -13.7 | 293 36 33.3 -14.1 58 35 22555 320 24 15.4 -18.4 | 329 22 11.1 -18.8 59 33 22860 330 15 7.5 -13.0 | 347 14 3.2 -13.4 60 31 23165 240 12 10.4 6.0 | 227 8 6.1 5.6 61 25 24384 305 17 13.9 -9.8 | 316 14 9.6 -10.1 Wind Parameters Mean winds (0-6000m): 234.8 at 5.8 knts Storm direction: 264.8 at 4.3 knts Shear (0-3000m) pos: 1.3 neg: 0.9 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): -93.6 deg Storm rel helicity (0-3000m) pos: 10.2 neg: -44.7 tot: -34.4 m^2/s^2 ave: -11.5 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 7.8 stream: -2.5 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 1674.57 Bulk Shear: 0.89 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 ------------------------------------------------------------------------------- 500 218 8 184 6| 0.0 7.4 7.4| 3.1 -0.0 3.0 6.1 0.49| 7.8 3.8 1000 221 9 192 6| 1.5 3.7 5.2| 10.1 -1.8 8.3 8.3 0.39| 7.9 3.1 1500 221 9 194 7| 1.0 3.9 4.9| 10.2 -6.3 4.0 2.6 0.20| 7.0 1.4 2000 212 9 186 8| 0.7 2.4 3.2| 10.2 -28.6 -18.4 -9.2 -0.14| 7.6 -1.0 2500 208 8 177 7| 0.6 1.1 1.7| 10.2 -36.9 -26.7 -10.7 -0.25| 7.5 -1.9 3000 210 7 174 6| 1.3 0.9 2.2| 10.2 -44.7 -34.4 -11.5 -0.32| 7.8 -2.5 4000 221 7 181 5| 1.1 0.4 1.6| 11.5 -57.5 -46.1 -11.5 -0.34| 7.6 -2.6 5000 233 6 194 4| 0.9 0.8 1.7| 13.3 -66.9 -53.6 -10.7 -0.31| 7.7 -2.3 6000 235 6 188 3| 1.0 0.7 1.6| 14.2 -69.4 -55.3 -9.2 -0.31| 7.2 -2.2 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20250418.00.gif