UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112800.upa.cvt Date: 0000Z 28 NOV 25 Searching for VO466... Searching the city database file for: VO466 ... Date:0000Z 28 NOV 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 5 23.4 20.4 83 3.0 21.3 300 8 296.0 298.8 294.3 339.7 15.16 1 1000 57 23.4 22.6 95 0.8 22.8 305 16 296.5 299.7 296.0 347.1 17.52 2 925 736 19.8 19.3 97 0.5 19.5 305 48 299.6 302.4 295.4 344.6 15.41 3 850 1469 16.6 15.8 95 0.8 16.1 310 44 303.5 306.0 295.1 343.3 13.40 4 700 3104 9.4 8.8 96 0.6 9.0 320 43 312.9 314.8 295.4 344.5 10.22 5 553 5035 0.0 -0.6 96 0.6 -0.3 327 39 323.6 324.9 295.6 345.2 6.64 6 500 5840 -4.1 -4.1 100 0.0 -4.1 330 37 328.0 329.2 295.9 346.8 5.66 7 455 6579 -7.7 -8.9 91 1.2 -8.2 336 32 332.5 333.4 296.0 347.1 4.29 8 400 7570 -13.3 -15.2 86 1.9 -14.0 330 23 337.7 338.3 296.2 348.1 2.94 9 375 8059 -16.1 -18.2 84 2.1 -16.9 316 20 340.3 340.8 296.4 349.0 2.43 10 302 9652 -27.5 -30.4 76 2.9 -28.1 292 8 346.0 346.2 296.6 349.8 1.01 11 300 9700 -27.7 -30.6 76 2.9 -28.3 300 9 346.3 346.6 296.7 350.2 1.00 12 250 10980 -38.5 -41.2 76 2.7 -38.8 315 7 348.8 348.9 296.7 350.5 0.42 13 200 12460 -52.3 -55.8 66 3.5 -52.4 350 12 349.9 350.0 296.7 350.4 0.10 14 198 12525 -52.9 -56.4 66 3.5 -53.0 347 12 350.0 350.0 296.7 350.4 0.09 15 150 14250 -67.9 -71.9 56 4.0 -67.9 100 31 353.1 353.1 297.3 353.2 0.02 16 135 14875 -73.3 -76.5 61 3.2 -73.3 99 34 354.3 354.3 297.5 354.4 0.01 17 129 15140 -73.7 -78.1 51 4.4 -73.7 103 39 358.3 358.3 298.4 358.3 0.01 18 100 16590 -83.7 -86.0 67 2.3 -83.7 255 16 366.0 366.0 299.8 366.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 553.00 mb = 5035.32 m = 16519.88 ft Wetbulb zero: 558.20 mb = 4958.60 m = 16268.18 ft Precipitable water: 2.53 inches Sfc-500 mean rel hum: 96.05 % Est. max temperature: 30.57 C = 87.03 F Sfc-Lift cond lev (LCL): 963.00 mb = 385.39 m = 1264.40 ft T: 21.66 C 700-500 lapse rate: 4.93 C/km ThetaE index: 3.79 C Layer 925.0- 700.0 mb Conv cond level (CCL): 934.38 mb = 648.17 m = 2126.53 ft Mean mixing ratio: 16.20 g/kg Conv temperature: 26.53 C = 79.76 F Cap Strength: 0.34 C Lifted Index: 0.51 C Risk: Showers probable Lifted Index @300 mb: 3.16 C Lifted Index @700 mb: 0.06 C Showalter Index: 1.33 C Risk: Showers probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 19.90 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 314.60 Risk: Showers and thunderstorms possible Energy Index: 0.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.26 J/kg Max Up Vert Vel: 5.70 m/s Conv Inhibition (B-): 2.57 J/kg Cap Strength: 0.47 C Lift Cond Lev (LCL): 946.01 mb = 540.42 m = 1773.01 ft Lev Free Conv (LFC): 861.01 mb = 1357.46 m = 4453.57 ft Equ Level (EL): 751.01 mb = 2511.71 m = 8240.40 ft B at Equ Level: 16.24 J/kg Max Parcel Lev (MPL): 501.01 mb = 5823.93 m = 19107.14 ft Wind level data Storm motion: 348 at 31 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 5 300 8 6.9 -4.0 | 181 26 0.5 26.1 1 1000 57 305 16 13.1 -9.2 | 198 22 6.7 20.9 2 972 305 305 35 28.7 -20.1 | 246 24 22.3 10.0 3 939 610 305 43 35.2 -24.7 | 259 29 28.8 5.4 4 925 736 305 48 39.3 -27.5 | 266 33 32.9 2.5 5 906 914 310 50 38.3 -32.1 | 274 32 31.9 -2.1 6 850 1469 310 44 33.7 -28.3 | 266 27 27.3 1.8 7 844 1524 310 44 33.7 -28.3 | 266 27 27.3 1.8 8 700 3104 320 43 27.6 -32.9 | 278 21 21.2 -2.9 9 500 5840 330 37 18.5 -32.0 | 279 12 12.1 -2.0 10 430 7010 340 29 9.9 -27.3 | 231 5 3.5 2.8 11 400 7570 330 23 11.5 -19.9 | 207 11 5.1 10.1 12 397 7620 330 23 11.5 -19.9 | 207 11 5.1 10.1 13 337 8839 290 14 13.2 -4.8 | 195 26 6.8 25.3 14 310 9449 260 6 5.9 1.0 | 179 31 -0.5 31.1 15 300 9700 300 9 7.8 -4.5 | 183 26 1.4 25.6 16 298 9754 295 7 6.3 -3.0 | 180 27 -0.1 27.1 17 285 10058 305 10 8.2 -5.7 | 184 24 1.8 24.3 18 273 10363 305 6 4.9 -3.4 | 177 27 -1.5 26.6 19 250 10980 315 7 4.9 -4.9 | 177 25 -1.4 25.1 20 228 11582 330 7 3.5 -6.1 | 173 24 -2.9 24.0 21 218 11887 325 10 5.7 -8.2 | 178 22 -0.7 21.9 22 200 12460 350 12 2.1 -11.8 | 167 19 -4.3 18.2 23 199 12497 345 12 3.1 -11.6 | 170 19 -3.3 18.5 24 189 12802 5 11 -1.0 -11.0 | 159 20 -7.4 19.1 25 180 13106 45 12 -8.5 -8.5 | 145 26 -14.9 21.6 26 150 14250 100 31 -30.5 5.4 | 134 51 -36.9 35.5 27 148 14326 95 28 -27.9 2.4 | 133 47 -34.3 32.5 28 133 14935 100 35 -34.5 6.1 | 131 55 -40.9 36.1 29 126 15240 105 42 -40.6 10.9 | 131 62 -47.0 40.9 30 120 15545 120 29 -25.1 14.5 | 145 55 -31.5 44.6 31 108 16154 170 13 -2.3 12.8 | 169 44 -8.7 42.9 32 102 16459 215 6 3.4 4.9 | 175 35 -3.0 35.0 33 100 16590 255 16 15.5 4.1 | 195 35 9.1 34.2 34 97 16764 235 10 8.2 5.7 | 183 36 1.8 35.8 Wind Parameters Mean winds (0-6000m): 318.0 at 41.0 knts Storm direction: 348.0 at 30.7 knts Shear (0-3000m) pos: 6.9 neg: 0.9 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 95.7 deg Storm rel helicity (0-3000m) pos: 287.9 neg: -28.0 tot: 259.9 m^2/s^2 ave: 86.6 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 7.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.59 Bulk Shear: 27.35 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 ------------------------------------------------------------------------------- 500 305 29 232 22| 33.2 0.0 33.2|178.6 0.0 178.6 357.1 0.92| 33.5 30.8 1000 306 38 252 25| 21.2 0.0 21.2|258.4 -2.9 255.5 255.5 0.87| 23.2 20.2 1500 308 41 259 26| 14.1 1.7 15.8|258.4 -28.0 230.4 153.6 0.72| 17.2 12.4 2000 309 41 261 26| 10.5 1.3 11.8|268.7 -28.0 240.7 120.4 0.71| 13.5 9.6 2500 310 42 263 26| 8.4 1.0 9.4|278.7 -28.0 250.7 100.3 0.71| 11.3 8.0 3000 311 42 265 25| 6.9 0.9 7.8|287.9 -28.0 259.9 86.6 0.71| 9.8 7.0 4000 314 42 268 24| 5.0 0.6 5.6|291.8 -28.0 263.8 65.9 0.68| 7.8 5.3 5000 316 42 270 23| 3.8 0.5 4.3|292.7 -28.0 264.7 52.9 0.64| 6.6 4.3 6000 318 41 271 21| 2.9 0.4 3.3|292.7 -29.3 263.4 43.9 0.60| 5.9 3.5 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251128.00.gif