UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102312.upa.cvt Date: 1200Z 23 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 23 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 1008 8 27.4 24.0 82 3.4 24.9 245 4 299.9 303.3 297.8 355.4 18.96 1 1000 78 27.2 23.1 78 4.1 24.2 305 7 300.4 303.7 297.4 353.4 18.07 2 943 598 22.4 20.9 91 1.5 21.3 266 21 300.6 303.6 296.5 349.6 16.72 3 925 767 22.6 16.6 69 6.0 18.5 260 26 302.4 304.8 294.5 340.7 12.95 4 923 786 22.8 16.8 69 6.0 18.7 260 26 302.8 305.2 294.7 341.7 13.15 5 850 1498 18.6 14.5 77 4.1 15.8 255 26 305.6 307.9 294.9 342.5 12.31 6 769 2351 12.4 8.9 79 3.5 10.2 259 33 307.8 309.6 293.4 336.2 9.35 7 733 2755 11.4 6.5 72 4.9 8.5 257 32 311.0 312.6 293.4 336.6 8.31 8 709 3033 9.0 8.1 94 0.9 8.5 256 32 311.3 313.1 294.5 340.9 9.61 9 700 3139 8.2 6.8 91 1.4 7.3 255 32 311.6 313.3 294.1 339.0 8.90 10 573 4775 0.0 -2.2 85 2.2 -1.2 242 27 320.3 321.4 294.0 338.7 5.69 11 550 5104 -0.7 -4.4 76 3.7 -2.6 237 24 323.3 324.2 294.3 339.7 5.02 12 514 5643 -5.3 -7.9 82 2.6 -6.5 228 21 324.0 324.8 293.7 337.6 4.11 13 500 5860 -6.7 -9.8 79 3.1 -8.1 225 19 324.9 325.6 293.6 337.0 3.64 14 465 6424 -7.7 -9.2 89 1.5 -8.4 254 14 330.4 331.3 295.4 344.3 4.10 15 405 7486 -13.1 -14.7 88 1.6 -13.7 313 9 336.8 337.4 296.0 347.4 3.02 16 400 7580 -13.7 -15.4 87 1.7 -14.3 320 9 337.2 337.8 296.0 347.4 2.89 17 311 9441 -26.7 -29.5 77 2.8 -27.3 353 15 344.2 344.4 296.3 348.2 1.07 18 300 9700 -28.7 -31.8 75 3.1 -29.3 360 16 344.9 345.1 296.3 348.3 0.89 19 250 10980 -39.5 -43.1 68 3.6 -39.9 60 16 347.3 347.4 296.4 348.7 0.34 20 232 11485 -43.7 -47.6 65 3.9 -44.0 81 21 348.5 348.5 296.5 349.4 0.22 21 200 12460 -53.1 -56.6 66 3.5 -53.2 70 23 348.7 348.7 296.4 349.1 0.09 22 184 12992 -57.9 -62.0 59 4.1 -58.0 73 27 349.3 349.3 296.5 349.5 0.05 23 170 13487 -61.7 -63.8 76 2.1 -61.7 72 36 351.0 351.0 296.9 351.2 0.04 24 150 14250 -68.3 -71.6 62 3.3 -68.3 70 51 352.4 352.4 297.2 352.5 0.02 25 111 15992 -82.3 -84.7 66 2.4 -82.3 100 76 357.9 357.9 298.3 357.9 0.00 26 107 16197 -81.0 -84.1 59 3.1 -81.0 105 73 364.2 364.2 299.5 364.2 0.00 27 100 16580 -78.5 -82.9 49 4.4 -78.5 110 32 376.1 376.1 301.6 376.1 0.00 TRP 111 15992 -82.3 -84.7 66 2.4 -82.3 100 76 357.9 357.9 298.3 357.9 0.00 WND 107 16197 -81.0 -84.1 59 3.1 -81.0 105 73 364.2 364.2 299.5 364.2 0.00 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 573.00 mb = 4775.00 m = 15665.83 ft Wetbulb zero: 590.22 mb = 4533.01 m = 14871.89 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 81.55 % Est. max temperature: 32.86 C = 91.15 F Sfc-Lift cond lev (LCL): 959.92 mb = 440.25 m = 1444.38 ft T: 23.85 C 700-500 lapse rate: 5.48 C/km ThetaE index: 14.74 C Layer 1000.0- 923.0 mb Conv cond level (CCL): 854.56 mb = 1451.73 m = 4762.83 ft Mean mixing ratio: 16.24 g/kg Conv temperature: 33.00 C = 91.39 F Cap Strength: 2.16 C Lifted Index: -3.38 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.28 C Lifted Index @700 mb: -2.07 C Showalter Index: -0.92 C Risk: Thunderstorms probable Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 21.20 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 245.00 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 360.37 J/kg Max Up Vert Vel: 26.85 m/s Conv Inhibition (B-): 50.36 J/kg Cap Strength: 2.16 C Lift Cond Lev (LCL): 910.00 mb = 908.43 m = 2980.39 ft Lev Free Conv (LFC): 805.00 mb = 1961.47 m = 6435.21 ft Equ Level (EL): 325.00 mb = 9115.79 m = 29907.08 ft B at Equ Level: 359.74 J/kg Max Parcel Lev (MPL): 115.00 mb = 15786.89 m = 51793.62 ft Wind level data Storm motion: 284 at 20 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 8 245 4 3.6 1.7 | 112 17 -15.5 6.4 1 1000 78 305 7 5.7 -4.0 | 93 13 -13.4 0.7 2 975 305 275 13 13.0 -1.1 | 120 7 -6.2 3.6 3 925 767 260 26 25.6 4.5 | 215 11 6.5 9.3 4 850 1498 255 26 25.1 6.7 | 207 13 6.0 11.5 5 847 1524 255 26 25.1 6.7 | 207 13 6.0 11.5 6 788 2134 260 33 32.5 5.7 | 232 17 13.4 10.5 7 700 3139 255 32 30.9 8.3 | 222 18 11.8 13.0 8 632 3962 265 29 28.9 2.5 | 233 12 9.7 7.3 9 586 4572 245 28 25.4 11.8 | 201 18 6.2 16.6 10 500 5860 225 19 13.4 13.4 | 163 19 -5.7 18.2 11 485 6096 230 17 13.0 10.9 | 159 17 -6.1 15.7 12 448 6706 275 11 11.0 -1.0 | 115 9 -8.2 3.8 13 414 7315 300 9 7.8 -4.5 | 91 11 -11.4 0.2 14 400 7580 320 9 5.8 -6.9 | 81 14 -13.4 -2.2 15 398 7620 315 8 5.7 -5.7 | 86 14 -13.5 -0.9 16 382 7925 315 12 8.5 -8.5 | 71 11 -10.7 -3.7 17 300 9700 360 16 -0.0 -16.0 | 60 22 -19.1 -11.3 18 285 10058 360 14 -0.0 -14.0 | 64 21 -19.1 -9.3 19 273 10363 10 14 -2.4 -13.8 | 67 23 -21.6 -9.1 20 250 10980 60 16 -13.9 -8.0 | 84 33 -33.0 -3.3 21 228 11582 85 22 -21.9 -1.9 | 94 41 -41.1 2.8 22 200 12460 70 23 -21.6 -7.9 | 86 41 -40.8 -3.1 23 199 12497 65 22 -19.9 -9.3 | 83 39 -39.1 -4.6 24 180 13106 75 28 -27.0 -7.2 | 87 46 -46.2 -2.5 25 163 13716 70 42 -39.5 -14.4 | 81 59 -58.6 -9.6 26 150 14250 70 51 -47.9 -17.4 | 79 68 -67.1 -12.7 27 140 14630 70 51 -47.9 -17.4 | 79 68 -67.1 -12.7 28 114 15850 90 65 -65.0 0.0 | 93 84 -84.1 4.7 29 111 15992 100 76 -74.8 13.2 | 101 96 -94.0 17.9 30 108 16154 100 71 -69.9 12.3 | 101 91 -89.1 17.1 31 107 16197 105 73 -70.5 18.9 | 105 93 -89.7 23.6 32 102 16459 105 73 -70.5 18.9 | 105 93 -89.7 23.6 33 100 16580 110 32 -30.1 10.9 | 108 52 -49.2 15.7 34 92 17069 100 29 -28.6 5.0 | 102 49 -47.7 9.8 35 87 17374 145 13 -7.5 10.6 | 120 31 -26.6 15.4 36 82 17678 280 4 3.9 -0.7 | 105 16 -15.2 4.0 37 78 17983 10 8 -1.4 -7.9 | 81 21 -20.5 -3.1 38 74 18288 285 7 6.8 -1.8 | 103 13 -12.4 2.9 39 70 18593 275 9 9.0 -0.8 | 111 11 -10.2 4.0 40 66 18898 325 11 6.3 -9.0 | 72 14 -12.8 -4.3 Wind Parameters Mean winds (0-6000m): 253.9 at 26.3 knts Storm direction: 283.9 at 19.7 knts Shear (0-3000m) pos: 3.6 neg: 1.8 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 110.8 deg Storm rel helicity (0-3000m) pos: 50.1 neg: -33.7 tot: 16.4 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 2.0 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 10.33 Bulk Shear: 34.88 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 ------------------------------------------------------------------------------- 500 277 12 113 8| 15.6 0.0 15.6| 17.5 -18.3 -0.8 -1.5 0.24| 20.2 4.9 1000 266 18 168 6| 7.8 4.2 12.0| 26.7 -19.6 7.1 7.1 0.32| 14.6 4.7 1500 262 21 190 8| 5.2 3.1 8.2| 26.7 -23.0 3.7 2.5 0.27| 10.3 2.8 2000 260 23 201 9| 5.4 2.3 7.7| 45.7 -23.0 22.7 11.4 0.37| 9.2 3.4 2500 260 25 210 10| 4.3 2.1 6.4| 50.1 -27.0 23.0 9.2 0.35| 7.9 2.7 3000 259 26 214 12| 3.6 1.8 5.4| 50.1 -33.7 16.4 5.5 0.30| 6.8 2.0 4000 259 27 218 12| 2.5 1.3 3.9| 60.4 -36.7 23.7 5.9 0.30| 5.9 1.8 5000 257 27 215 13| 2.0 1.9 3.9| 60.4 -87.2 -26.8 -5.4 0.03| 6.1 0.2 6000 254 26 207 13| 1.7 1.6 3.3| 60.4-128.5 -68.2 -11.4 -0.10| 5.9 -0.6 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251023.12.gif