UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for VO466... Searching the city database file for: VO466 ... Date:1200Z 17 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 3 26.8 23.2 81 3.6 24.2 245 2 299.4 302.7 297.1 352.3 18.08 1 1000 56 26.8 24.2 86 2.6 24.9 165 2 300.0 303.5 298.0 356.7 19.35 2 925 748 22.8 19.6 82 3.2 20.5 230 9 302.6 305.5 296.4 349.1 15.71 3 850 1482 18.8 17.7 93 1.1 18.1 210 3 305.8 308.7 296.9 351.3 15.16 4 818 1812 17.0 16.3 96 0.7 16.5 177 3 307.3 310.0 296.8 350.7 14.40 5 756 2483 14.4 12.2 87 2.2 12.9 151 5 311.5 313.8 296.2 348.0 11.90 6 701 3119 10.2 8.8 91 1.4 9.3 150 12 313.7 315.6 295.6 345.3 10.20 7 700 3131 10.2 8.9 92 1.3 9.4 150 12 313.8 315.7 295.7 345.7 10.29 8 681 3361 10.2 5.9 75 4.3 7.6 160 13 316.3 317.9 295.1 343.2 8.59 9 577 4719 0.0 -0.4 97 0.4 -0.2 157 21 319.7 320.9 294.4 340.4 6.46 10 500 5860 -4.7 -5.0 98 0.3 -4.8 130 17 327.3 328.4 295.5 344.9 5.28 11 495 5939 -5.1 -5.5 97 0.4 -5.3 127 17 327.8 328.8 295.5 344.9 5.14 12 400 7590 -14.5 -15.8 90 1.3 -15.0 95 16 336.1 336.7 295.7 346.0 2.79 13 364 8299 -18.3 -20.2 85 1.9 -18.9 76 18 340.3 340.7 296.1 347.9 2.11 14 323 9180 -24.5 -26.3 85 1.8 -24.9 343.5 343.8 296.3 348.7 1.38 TRP WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 577.00 mb = 4718.54 m = 15480.60 ft Wetbulb zero: 579.86 mb = 4677.98 m = 15347.51 ft Precipitable water: 2.55 inches Sfc-500 mean rel hum: 89.52 % Est. max temperature: 32.95 C = 91.30 F Sfc-Lift cond lev (LCL): 955.15 mb = 463.33 m = 1520.10 ft T: 24.45 C 700-500 lapse rate: 5.46 C/km ThetaE index: 7.63 C Layer 925.0- 850.0 mb Conv cond level (CCL): 875.20 mb = 1228.44 m = 4030.26 ft Mean mixing ratio: 17.22 g/kg Conv temperature: 32.10 C = 89.78 F Cap Strength: 1.40 C Lifted Index: -2.58 C Risk: Severe thunderstorms possible Lifted Index @700 mb: -1.01 C Showalter Index: -2.20 C Risk: Severe thunderstorms possible Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 22.40 C K Index: 39.90 Risk: > 80 % chance of thunderstorms Sweat Index: 235.40 Risk: None Energy Index: -1.35 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 510.44 J/kg Max Up Vert Vel: 31.95 m/s Conv Inhibition (B-): 32.83 J/kg Cap Strength: 1.40 C Lift Cond Lev (LCL): 916.42 mb = 828.88 m = 2719.37 ft Lev Free Conv (LFC): 741.42 mb = 2647.18 m = 8684.88 ft Wind level data Storm motion: 191 at 8 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 3 245 2 1.8 0.8 | 357 7 0.3 -7.0 1 1000 56 165 2 -0.5 1.9 | 19 6 -2.0 -5.9 2 925 748 230 9 6.9 5.8 | 291 6 5.4 -2.1 3 907 914 240 8 6.9 4.0 | 305 7 5.4 -3.9 4 876 1219 255 6 5.8 1.6 | 326 8 4.3 -6.3 5 850 1482 210 3 1.5 2.6 | 360 5 0.0 -5.3 6 787 2134 145 3 -1.7 2.5 | 31 6 -3.2 -5.4 7 733 2743 155 7 -3.0 6.3 | 71 5 -4.4 -1.5 8 700 3131 150 12 -6.0 10.4 | 109 8 -7.5 2.5 9 681 3353 160 13 -4.4 12.2 | 126 7 -5.9 4.4 10 632 3962 130 9 -6.9 5.8 | 76 9 -8.4 -2.1 11 608 4267 175 20 -1.7 19.9 | 165 12 -3.2 12.1 12 564 4877 150 22 -11.0 19.1 | 132 17 -12.5 11.2 13 544 5182 160 15 -5.1 14.1 | 133 9 -6.6 6.2 14 500 5860 130 17 -13.0 10.9 | 102 15 -14.5 3.1 15 466 6401 110 19 -17.9 6.5 | 86 19 -19.3 -1.4 16 400 7590 95 16 -15.9 1.4 | 70 19 -17.4 -6.5 17 398 7620 95 17 -16.9 1.5 | 71 19 -18.4 -6.4 18 367 8230 75 17 -16.4 -4.4 | 56 22 -17.9 -12.3 19 324 9144 95 26 -25.9 2.3 | 78 28 -27.4 -5.6 Wind Parameters Mean winds (0-6000m): 160.7 at 10.7 knts Storm direction: 190.7 at 8.0 knts Shear (0-3000m) pos: 0.4 neg: 1.8 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 103.7 deg Storm rel helicity (0-3000m) pos: 29.4 neg: -3.7 tot: 25.7 m^2/s^2 ave: 8.6 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.5 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 62.77 Bulk Shear: 8.13 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 ------------------------------------------------------------------------------- 500 198 4 4 4| 0.0 5.2 5.2| 4.1 -2.1 2.0 3.9 -0.04| 8.1 -0.3 1000 226 6 322 5| 2.3 2.6 5.0| 7.7 -3.7 4.0 4.0 0.00| 7.3 0.0 1500 232 6 324 5| 1.6 2.1 3.6| 16.3 -3.7 12.6 8.4 0.25| 7.1 1.8 2000 225 5 334 5| 1.2 2.1 3.2| 19.5 -3.7 15.8 7.9 0.33| 6.0 2.0 2500 214 5 342 4| 0.9 2.1 3.1| 23.4 -3.7 19.7 7.9 0.39| 5.4 2.1 3000 198 5 357 3| 0.4 1.8 2.2| 29.4 -3.7 25.7 8.6 0.46| 5.4 2.5 4000 174 7 65 2| 0.4 1.3 1.8| 37.5 -15.7 21.8 5.5 0.30| 5.4 1.6 5000 168 9 112 4| 1.7 1.3 3.0| 73.0 -45.4 27.6 5.5 0.28| 6.9 1.9 6000 161 11 114 5| 1.4 1.7 3.1| 73.3 -70.9 2.4 0.4 0.13| 7.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//VO466/skewt/VO466.skewt.20251017.12.gif