UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:1200Z 20 OCT 25 Station: VOCC WMO ident: 43353 Latitude: 9.95 Longitude: 76.27 Elevation: 3.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 38 18.8 13.8 73 5.0 15.7 90 73 292.0 293.7 288.8 320.2 9.96 SFC 999 3 29.6 24.6 75 5.0 25.9 215 9 302.8 306.5 299.1 361.8 19.86 2 998 12 29.6 24.6 75 5.0 25.9 215 9 302.9 306.6 299.1 362.0 19.88 3 996 31 29.2 24.2 75 5.0 25.5 216 9 302.7 306.3 298.8 360.3 19.43 4 994 50 29.2 24.2 75 5.0 25.4 217 9 302.9 306.5 298.8 360.7 19.47 5 925 713 24.8 19.8 74 5.0 21.2 195 7 304.7 307.6 297.1 352.1 15.91 6 850 1445 19.2 17.2 88 2.0 17.8 150 9 306.3 309.0 296.7 350.4 14.68 7 809 1868 16.4 15.1 92 1.3 15.5 117 11 307.6 310.2 296.3 348.3 13.47 8 808 1879 16.2 14.9 92 1.3 15.3 116 11 307.5 310.0 296.1 347.7 13.31 9 704 3042 11.6 6.8 72 4.8 8.6 83 8 314.8 316.5 294.9 342.4 8.84 10 700 3090 11.2 6.7 74 4.5 8.4 80 8 314.9 316.6 294.9 342.5 8.83 11 566 4831 0.8 -0.4 92 1.2 0.1 88 17 322.4 323.7 295.2 343.7 6.58 12 505 5741 -2.9 -6.8 74 3.9 -4.8 85 14 328.6 329.5 295.3 343.8 4.55 13 500 5820 -3.7 -7.3 76 3.6 -5.4 85 14 328.5 329.4 295.1 343.4 4.43 14 400 7550 -14.1 -16.3 83 2.2 -14.9 105 16 336.7 337.2 295.8 346.1 2.68 15 396 7627 -14.5 -16.6 84 2.1 -15.3 110 16 337.1 337.7 295.8 346.4 2.64 16 311 9429 -25.9 -29.3 73 3.4 -26.6 98 22 345.3 345.5 296.5 349.4 1.09 17 300 9690 -28.1 -31.6 72 3.5 -28.8 100 24 345.8 346.0 296.5 349.2 0.91 18 250 10980 -38.3 -42.3 66 4.0 -38.7 110 25 349.1 349.2 296.8 350.6 0.37 19 200 12480 -51.5 -56.5 55 5.0 -51.7 110 38 351.2 351.2 297.0 351.6 0.09 20 183 13054 -56.7 -61.7 53 5.0 -56.8 105 40 351.8 351.8 297.1 352.0 0.05 21 150 14290 -67.5 -72.5 49 5.0 -67.5 95 44 353.8 353.8 297.5 353.9 0.01 22 129 15182 -75.9 -80.9 45 5.0 -75.9 90 48 354.3 354.3 297.5 354.3 0.00 23 100 16640 -80.5 -85.5 43 5.0 -80.5 115 34 372.2 372.2 300.9 372.2 0.00 24 98 16755 -77.9 -82.9 44 5.0 -77.9 115 41 379.4 379.4 302.2 379.4 0.00 25 95 16933 -77.3 -82.3 44 5.0 -77.3 384.0 384.0 302.9 384.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 552.81 mb = 5027.65 m = 16494.73 ft Wetbulb zero: 564.30 mb = 4854.78 m = 15927.57 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 81.86 % Est. max temperature: 33.05 C = 91.50 F Sfc-Lift cond lev (LCL): 929.65 mb = 666.78 m = 2187.56 ft T: 25.11 C 700-500 lapse rate: 5.46 C/km ThetaE index: 18.25 C Layer 925.0- 700.0 mb Conv cond level (CCL): 858.94 mb = 1354.47 m = 4443.75 ft Mean mixing ratio: 17.24 g/kg Conv temperature: 32.83 C = 91.10 F Cap Strength: 1.43 C Lifted Index: -2.61 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.57 C Lifted Index @700 mb: -0.83 C Showalter Index: -0.85 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 20.90 C K Index: 35.60 Risk: > 80 % chance of thunderstorms Sweat Index: 238.40 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1132.91 J/kg Max Up Vert Vel: 47.60 m/s Conv Inhibition (B-): 22.78 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 884.42 mb = 1101.33 m = 3613.24 ft Lev Free Conv (LFC): 839.42 mb = 1552.21 m = 5092.49 ft Equ Level (EL): 129.42 mb = 15163.08 m = 49747.03 ft B at Equ Level: 1131.86 J/kg Wind level data Storm motion: 130 at 9 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 ---------------------------------------------------------- 0 999 3 215 9 5.2 7.4 | 262 12 11.9 1.8 1 967 305 230 10 7.7 6.4 | 267 14 14.4 0.8 2 935 610 210 8 4.0 6.9 | 263 11 10.8 1.3 3 925 713 195 7 1.8 6.8 | 262 9 8.6 1.1 4 904 914 170 8 -1.4 7.9 | 247 6 5.4 2.3 5 872 1219 165 13 -3.4 12.6 | 206 8 3.4 6.9 6 850 1445 150 9 -4.5 7.8 | 226 3 2.3 2.2 7 812 1829 120 11 -9.5 5.5 | 88 3 -2.8 -0.1 8 784 2134 95 10 -10.0 0.9 | 34 6 -3.2 -4.7 9 756 2438 95 11 -11.0 1.0 | 42 6 -4.2 -4.7 10 729 2743 105 10 -9.7 2.6 | 44 4 -2.9 -3.0 11 700 3090 80 8 -7.9 -1.4 | 9 7 -1.1 -7.0 12 653 3658 70 9 -8.5 -3.1 | 11 9 -1.7 -8.7 13 605 4267 70 16 -15.0 -5.5 | 37 14 -8.3 -11.1 14 562 4877 90 17 -17.0 0.0 | 61 12 -10.2 -5.6 15 500 5820 85 14 -13.9 -1.2 | 46 10 -7.2 -6.8 16 483 6096 90 14 -14.0 0.0 | 52 9 -7.2 -5.6 17 400 7550 105 16 -15.5 4.1 | 80 9 -8.7 -1.5 18 396 7620 110 16 -15.0 5.5 | 89 8 -8.3 -0.1 19 323 9144 95 20 -19.9 1.7 | 74 14 -13.2 -3.9 20 300 9690 100 24 -23.6 4.2 | 85 17 -16.9 -1.4 21 261 10668 105 24 -23.2 6.2 | 92 16 -16.4 0.6 22 250 10980 110 25 -23.5 8.6 | 100 17 -16.7 2.9 23 200 12480 110 38 -35.7 13.0 | 104 30 -29.0 7.4 24 150 14290 95 44 -43.8 3.8 | 87 37 -37.1 -1.8 25 127 15240 90 48 -48.0 0.0 | 82 42 -41.2 -5.6 26 100 16640 115 34 -30.8 14.4 | 110 26 -24.1 8.8 27 98 16764 115 42 -38.1 17.7 | 111 34 -31.3 12.1 Wind Parameters Mean winds (0-6000m): 99.7 at 11.7 knts Storm direction: 129.7 at 8.8 knts Shear (0-3000m) pos: 0.1 neg: 2.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 114.0 deg Storm rel helicity (0-3000m) pos: 6.4 neg: -23.6 tot: -17.1 m^2/s^2 ave: -5.7 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -2.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 24.56 Bulk Shear: 46.12 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 ------------------------------------------------------------------------------- 500 223 9 265 13| 0.4 0.0 0.4| 4.2 -2.5 1.7 3.3 0.09| 5.3 0.5 1000 208 9 260 11| 0.2 3.8 4.1| 4.2 -9.3 -5.1 -5.1 -0.24| 6.8 -1.6 1500 189 9 246 9| 0.1 3.6 3.8| 5.1 -14.6 -9.5 -6.3 -0.25| 7.5 -1.9 2000 171 10 233 7| 0.1 4.1 4.2| 5.1 -18.5 -13.3 -6.7 -0.40| 7.6 -3.1 2500 154 10 217 4| 0.1 3.5 3.6| 6.3 -20.0 -13.7 -5.5 -0.38| 6.7 -2.5 3000 142 10 199 2| 0.1 2.7 2.8| 6.4 -23.6 -17.1 -5.7 -0.40| 6.4 -2.5 4000 121 10 70 2| 0.1 2.7 2.7| 14.9 -24.9 -10.0 -2.5 -0.28| 5.6 -1.6 5000 105 11 54 5| 0.6 2.1 2.7| 38.9 -25.8 13.1 2.6 -0.10| 5.4 -0.6 6000 100 12 53 6| 0.5 1.7 2.2| 40.4 -32.5 8.0 1.3 -0.13| 4.8 -0.6 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20251020.12.gif