UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101212.upa.cvt Date: 1200Z 12 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 12 OCT 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 1006 10 29.0 23.0 70 6.0 24.6 215 5 301.6 304.9 297.5 354.3 17.85 1 1000 63 28.6 23.9 76 4.7 25.1 210 5 301.8 305.2 298.2 357.9 19.00 2 954 479 24.4 22.7 90 1.7 23.2 206 11 301.6 305.0 298.0 356.2 18.50 3 925 749 22.8 19.1 80 3.7 20.2 200 13 302.6 305.4 296.1 347.6 15.22 4 850 1483 18.8 15.7 82 3.1 16.7 140 8 305.8 308.3 295.7 345.8 13.32 5 790 2106 15.2 12.5 84 2.7 13.4 98 7 308.5 310.6 295.2 343.7 11.61 6 736 2703 12.8 2.8 51 10.0 7.1 55 6 312.1 313.4 292.3 332.0 6.37 7 700 3122 10.8 0.8 50 10.0 5.3 25 5 314.4 315.6 292.4 332.7 5.80 8 694 3194 10.2 3.2 62 7.0 6.2 24 5 314.6 315.9 293.4 336.4 6.96 9 673 3449 8.8 -3.2 43 12.0 2.7 21 5 315.8 316.6 291.7 330.1 4.49 10 611 4242 4.0 -2.0 65 6.0 0.8 349 6 319.1 320.1 293.4 336.5 5.41 11 590 4526 2.6 -7.4 48 10.0 -2.1 1 8 320.7 321.4 292.5 332.9 3.72 12 554 5034 0.0 -6.0 64 6.0 -2.9 35 5 323.4 324.3 293.8 337.9 4.41 13 526 5448 -1.9 -12.9 43 11.0 -6.5 26 11 326.0 326.5 293.1 335.1 2.69 14 500 5850 -4.3 -14.3 46 10.0 -8.3 15 10 327.8 328.3 293.4 336.5 2.53 15 488 6042 -5.7 -11.7 63 6.0 -8.2 13 9 328.4 329.0 294.1 339.2 3.20 16 451 6658 -8.9 -20.9 37 12.0 -12.9 30 7 331.8 332.2 293.7 337.5 1.60 17 400 7580 -14.5 -26.5 35 12.0 -17.7 70 12 336.1 336.4 294.4 340.2 1.10 18 387 7829 -16.1 -29.1 32 13.0 -19.3 73 12 337.2 337.4 294.4 340.5 0.89 19 354 8492 -21.9 -30.9 44 9.0 -23.8 80 8 338.1 338.3 294.6 341.2 0.82 20 346 8660 -23.5 -31.5 48 8.0 -25.1 66 7 338.2 338.3 294.6 341.2 0.79 21 340 8787 -23.9 -26.8 77 2.9 -24.6 56 7 339.3 339.6 295.3 344.0 1.25 22 311 9433 -27.9 -32.0 68 4.1 -28.7 72 12 342.5 342.7 295.7 345.7 0.84 23 300 9690 -29.9 -33.7 69 3.8 -30.6 65 15 343.2 343.4 295.7 346.1 0.74 24 250 10970 -40.1 -43.8 68 3.7 -40.4 115 20 346.4 346.5 296.1 347.7 0.31 25 236 11357 -42.9 -47.0 64 4.1 -43.2 126 25 348.0 348.0 296.4 348.9 0.23 26 200 12440 -52.7 -56.6 63 3.9 -52.8 145 20 349.3 349.3 296.5 349.7 0.09 27 150 14230 -68.9 -73.8 49 4.9 -68.9 140 29 351.4 351.4 297.0 351.4 0.01 28 136 14808 -73.9 -78.3 51 4.4 -73.9 137 30 352.5 352.5 297.2 352.6 0.01 29 112 15919 -80.7 -83.7 60 3.0 -80.7 70 27 359.9 360.0 298.7 360.0 0.00 30 100 16560 -78.7 -83.4 46 4.7 -78.7 70 11 375.7 375.7 301.5 375.7 0.00 TRP 112 15919 -80.7 -83.7 60 3.0 -80.7 70 27 359.9 360.0 298.7 360.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 554.00 mb = 5033.65 m = 16514.39 ft Wetbulb zero: 604.98 mb = 4322.77 m = 14182.15 ft Precipitable water: 2.04 inches Sfc-500 mean rel hum: 64.27 % Est. max temperature: 32.95 C = 91.30 F Sfc-Lift cond lev (LCL): 922.50 mb = 772.49 m = 2534.40 ft T: 22.67 C 700-500 lapse rate: 5.54 C/km ThetaE index: 25.84 C Layer 954.0- 700.0 mb Conv cond level (CCL): 880.18 mb = 1180.18 m = 3871.93 ft Mean mixing ratio: 17.43 g/kg Conv temperature: 31.89 C = 89.40 F Cap Strength: 1.07 C Lifted Index: -2.62 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.44 C Lifted Index @700 mb: -0.76 C Showalter Index: 0.19 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.00 C K Index: 28.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 214.40 Risk: None Energy Index: -1.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1223.59 J/kg Max Up Vert Vel: 49.47 m/s Conv Inhibition (B-): 17.13 J/kg Cap Strength: 1.07 C Lift Cond Lev (LCL): 912.01 mb = 871.78 m = 2860.14 ft Lev Free Conv (LFC): 827.01 mb = 1716.46 m = 5631.37 ft Equ Level (EL): 127.01 mb = 15199.17 m = 49865.43 ft B at Equ Level: 1203.74 J/kg Wind level data Storm motion: 93 at 6 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 1006 10 215 5 2.9 4.1 | 246 9 8.6 3.8 1 1000 63 210 5 2.5 4.3 | 244 9 8.2 4.0 2 940 610 205 13 5.5 11.8 | 224 16 11.2 11.4 3 925 749 200 13 4.4 12.2 | 221 16 10.2 11.9 4 908 914 185 12 1.0 12.0 | 210 13 6.7 11.6 5 876 1219 185 11 1.0 11.0 | 212 13 6.7 10.6 6 850 1483 140 8 -5.1 6.1 | 186 6 0.6 5.8 7 846 1524 140 8 -5.1 6.1 | 186 6 0.6 5.8 8 700 3122 25 5 -2.1 -4.5 | 324 6 3.6 -4.9 9 631 3962 15 6 -1.6 -5.8 | 326 7 4.2 -6.1 10 608 4267 345 6 1.6 -5.8 | 310 10 7.3 -6.1 11 585 4572 5 8 -0.7 -8.0 | 329 10 5.0 -8.3 12 564 4877 40 5 -3.2 -3.8 | 329 5 2.5 -4.2 13 543 5182 30 6 -3.0 -5.2 | 334 6 2.7 -5.5 14 523 5486 25 12 -5.1 -10.9 | 357 11 0.6 -11.2 15 504 5791 10 8 -1.4 -7.9 | 332 9 4.3 -8.2 16 500 5850 15 10 -2.6 -9.7 | 343 10 3.1 -10.0 17 466 6401 10 8 -1.4 -7.9 | 332 9 4.3 -8.2 18 430 7010 60 6 -5.2 -3.0 | 351 3 0.5 -3.3 19 400 7580 70 12 -11.3 -4.1 | 51 7 -5.6 -4.4 20 398 7620 60 11 -9.5 -5.5 | 33 7 -3.8 -5.8 21 382 7925 80 13 -12.8 -2.3 | 70 8 -7.1 -2.6 22 366 8230 100 8 -7.9 1.4 | 116 2 -2.2 1.0 23 337 8839 50 7 -5.4 -4.5 | 356 5 0.3 -4.8 24 323 9144 80 8 -7.9 -1.4 | 51 3 -2.2 -1.7 25 300 9690 65 15 -13.6 -6.3 | 50 10 -7.9 -6.7 26 297 9754 55 15 -12.3 -8.6 | 36 11 -6.6 -8.9 27 261 10668 85 19 -18.9 -1.7 | 81 13 -13.2 -2.0 28 250 10970 115 20 -18.1 8.5 | 123 15 -12.4 8.1 29 239 11278 125 24 -19.7 13.8 | 134 19 -14.0 13.4 30 228 11582 130 30 -23.0 19.3 | 138 26 -17.3 18.9 31 218 11887 140 28 -18.0 21.4 | 150 24 -12.3 21.1 32 200 12440 145 20 -11.5 16.4 | 160 17 -5.8 16.0 33 150 14230 140 29 -18.6 22.2 | 149 25 -12.9 21.9 34 148 14326 140 28 -18.0 21.4 | 150 24 -12.3 21.1 35 140 14630 140 32 -20.6 24.5 | 148 28 -14.9 24.2 36 133 14935 135 28 -19.8 19.8 | 144 24 -14.1 19.5 37 113 15850 70 23 -21.6 -7.9 | 63 18 -15.9 -8.2 38 112 15919 70 27 -25.4 -9.2 | 64 22 -19.7 -9.6 39 100 16560 70 11 -10.3 -3.8 | 48 6 -4.6 -4.1 40 96 16764 85 13 -13.0 -1.1 | 78 7 -7.2 -1.5 41 91 17069 25 12 -5.1 -10.9 | 357 11 0.6 -11.2 42 87 17374 95 14 -13.9 1.2 | 96 8 -8.2 0.9 43 82 17678 120 19 -16.5 9.5 | 130 14 -10.8 9.2 44 78 17983 50 8 -6.1 -5.1 | 4 6 -0.4 -5.5 45 74 18288 30 19 -9.5 -16.5 | 13 17 -3.8 -16.8 46 66 18898 160 13 -4.4 12.2 | 186 12 1.3 11.9 Wind Parameters Mean winds (0-6000m): 63.4 at 7.6 knts Storm direction: 93.4 at 5.7 knts Shear (0-3000m) pos: 0.0 neg: 1.8 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 82.4 deg Storm rel helicity (0-3000m) pos: 1.2 neg: -45.7 tot: -44.4 m^2/s^2 ave: -14.8 10^-3 m/s^2 rel: -0.59 Storm rel vorticity (0-3000m) horiz: 5.9 stream: -3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 42.30 Bulk Shear: 28.93 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 ------------------------------------------------------------------------------- 500 208 8 234 12| 0.0 6.8 6.8| 0.0 -11.7 -11.7 -23.4 -0.57| 6.9 -3.9 1000 201 10 225 13| 0.0 4.0 4.0| 0.3 -28.8 -28.5 -28.5 -0.62| 6.7 -4.2 1500 192 10 219 12| 0.0 2.8 2.8| 1.2 -39.5 -38.3 -25.5 -0.56| 7.4 -4.1 2000 181 10 212 11| 0.0 2.6 2.6| 1.2 -42.0 -40.8 -20.4 -0.55| 6.8 -3.8 2500 172 9 207 10| 0.0 2.2 2.2| 1.2 -43.3 -42.1 -16.8 -0.59| 6.3 -3.7 3000 169 8 207 9| 0.0 1.8 1.8| 1.2 -45.7 -44.4 -14.8 -0.59| 5.9 -3.5 4000 156 8 201 7| 0.0 1.4 1.4| 1.6 -47.0 -45.4 -11.4 -0.57| 4.8 -2.7 5000 127 7 178 4| 0.5 1.2 1.7| 10.1 -51.1 -40.9 -8.2 -0.41| 4.9 -2.0 6000 63 8 17 4| 0.4 1.4 1.8| 19.0 -61.3 -42.3 -7.1 -0.32| 5.1 -1.6 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251012.12.gif