UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:1200Z 23 APR 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 ------------------------------------------------------------------------------- SFC 1005 3 30.8 25.8 75 5.0 27.0 275 6 303.5 307.4 300.0 366.9 21.24 1 1000 60 30.0 25.0 75 5.0 26.3 280 9 303.1 306.9 299.4 363.6 20.33 2 925 746 22.8 21.1 90 1.7 21.6 280 12 302.6 305.8 297.4 353.8 17.28 3 850 1478 20.0 16.0 78 4.0 17.2 265 7 307.1 309.6 296.2 348.0 13.58 4 700 3123 10.2 7.4 83 2.8 8.5 40 9 313.8 315.6 295.0 342.6 9.27 5 500 5860 -3.7 -8.3 70 4.6 -5.8 25 5 328.5 329.3 294.8 342.3 4.09 6 400 7590 -15.3 -19.9 68 4.6 -16.8 230 7 335.1 335.5 294.8 342.1 1.97 TRP WND Sounding variables and indices 1000-500 mb thick: 5800.00 m Freezing level: 553.24 mb = 5131.45 m = 16835.25 ft Wetbulb zero: 581.69 mb = 4629.02 m = 15186.88 ft Precipitable water: 2.37 inches Sfc-500 mean rel hum: 79.12 % Est. max temperature: 34.07 C = 93.33 F Sfc-Lift cond lev (LCL): 935.45 mb = 647.14 m = 2123.13 ft T: 23.84 C 700-500 lapse rate: 5.08 C/km ThetaE index: 24.77 C Layer 1000.0- 0.0 mb Conv cond level (CCL): 891.89 mb = 1061.51 m = 3482.59 ft Mean mixing ratio: 18.47 g/kg Conv temperature: 31.83 C = 89.30 F Cap Strength: 0.47 C Lifted Index: -3.43 C Risk: Severe thunderstorms possible Lifted Index @700 mb: -2.42 C Showalter Index: -0.03 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 19.70 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 211.00 Risk: None Energy Index: -1.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 634.34 J/kg Max Up Vert Vel: 35.62 m/s Conv Inhibition (B-): 10.68 J/kg Cap Strength: 0.54 C Lift Cond Lev (LCL): 912.62 mb = 862.65 m = 2830.20 ft Lev Free Conv (LFC): 817.62 mb = 1807.07 m = 5928.64 ft Wind level data Storm motion: 54 at 7 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 1005 3 275 6 6.0 -0.5 | 253 12 11.5 3.5 1 1000 60 280 9 8.9 -1.6 | 260 15 14.4 2.5 2 973 305 275 11 11.0 -1.0 | 259 17 16.5 3.1 3 939 610 270 13 13.0 -0.0 | 258 19 18.5 4.0 4 925 746 280 12 11.8 -2.1 | 264 17 17.3 1.9 5 907 914 285 11 10.6 -2.8 | 266 16 16.1 1.2 6 876 1219 285 10 9.7 -2.6 | 265 15 15.2 1.4 7 850 1478 265 7 7.0 0.6 | 250 13 12.5 4.6 8 816 1829 325 3 1.7 -2.5 | 258 7 7.2 1.6 9 787 2134 10 14 -2.4 -13.8 | 343 10 3.1 -9.8 10 759 2438 20 15 -5.1 -14.1 | 358 10 0.4 -10.1 11 732 2743 30 13 -6.5 -11.3 | 8 7 -1.0 -7.2 12 700 3123 40 9 -5.8 -6.9 | 6 3 -0.3 -2.9 13 655 3658 85 9 -9.0 -0.8 | 133 5 -3.5 3.2 14 608 4267 90 8 -8.0 0.0 | 148 5 -2.5 4.0 15 564 4877 120 8 -6.9 4.0 | 170 8 -1.4 8.0 16 500 5860 25 5 -2.1 -4.5 | 279 3 3.4 -0.5 17 485 6096 15 5 -1.3 -4.8 | 281 4 4.2 -0.8 18 400 7590 230 7 5.4 4.5 | 232 14 10.9 8.5 19 398 7620 235 8 6.6 4.6 | 234 15 12.1 8.6 Wind Parameters Mean winds (0-6000m): 23.9 at 9.1 knts Storm direction: 53.9 at 6.8 knts Shear (0-3000m) pos: 3.1 neg: 0.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 115.7 deg Storm rel helicity (0-3000m) pos: 61.9 neg: -17.7 tot: 44.2 m^2/s^2 ave: 14.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 3.1 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 19.07 Bulk Shear: 33.27 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 ------------------------------------------------------------------------------- 500 276 10 259 16| 0.0 6.5 6.5| 5.9 -2.4 3.6 7.1 0.17| 6.9 1.2 1000 277 11 261 17| 1.6 3.3 4.8| 17.5 -3.6 13.9 13.9 0.29| 5.9 1.7 1500 278 11 261 16| 1.1 1.4 2.4| 17.5 -17.3 0.3 0.2 -0.01| 5.6 -0.1 2000 282 9 262 15| 3.5 1.0 4.6| 36.7 -17.7 19.0 9.5 0.28| 7.4 2.1 2500 304 10 277 14| 4.4 0.8 5.2| 59.1 -17.7 41.4 16.6 0.45| 7.9 3.5 3000 323 11 290 13| 3.1 0.7 3.8| 61.9 -17.7 44.2 14.7 0.42| 7.5 3.1 4000 349 10 308 10| 2.2 0.5 2.7| 67.3 -17.9 49.5 12.4 0.47| 6.8 3.2 5000 14 10 329 6| 1.6 0.4 2.1| 71.8 -18.8 53.0 10.6 0.47| 6.0 2.8 6000 24 9 337 5| 1.4 0.8 2.2| 72.8 -19.7 53.2 8.9 0.43| 5.9 2.5 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20250423.12.gif