UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:0000Z 29 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 26.0 22.0 79 4.0 23.1 60 4 298.7 301.8 296.1 347.6 16.79 1 1000 49 26.4 22.3 78 4.1 23.5 75 4 299.5 302.7 296.6 349.8 17.19 2 959 417 26.2 21.2 74 5.0 22.6 51 3 303.0 306.0 297.2 352.6 16.75 3 925 733 23.4 20.2 82 3.2 21.1 310 7 303.2 306.3 297.0 351.6 16.32 4 903 942 21.8 20.2 91 1.6 20.6 330 6 303.7 306.8 297.4 353.4 16.73 5 850 1464 19.8 15.5 76 4.3 16.8 210 3 306.9 309.3 295.8 346.4 13.14 6 825 1720 18.4 13.7 74 4.7 15.3 158 4 308.0 310.3 295.4 344.5 12.03 7 731 2744 11.4 9.8 90 1.6 10.4 60 14 311.2 313.2 295.1 343.4 10.47 8 715 2930 12.0 3.0 54 9.0 6.8 65 16 313.9 315.1 293.0 334.7 6.66 9 700 3107 11.4 -1.6 40 13.0 4.5 70 17 315.1 316.0 291.9 330.6 4.86 10 668 3496 9.6 -8.4 27 18.0 1.3 77 12 317.3 317.9 290.9 327.3 3.03 11 646 3773 7.8 1.8 66 6.0 4.4 74 9 318.3 319.7 294.3 339.9 6.76 12 560 4934 0.0 -3.3 78 3.3 -1.7 17 4 322.4 323.5 294.3 339.9 5.36 13 545 5152 0.4 -2.6 80 3.0 -1.2 4 4 325.4 326.6 295.4 344.5 5.81 14 525 5452 0.0 -4.1 74 4.1 -2.1 345 5 328.4 329.5 295.8 346.4 5.39 15 500 5840 -3.3 -7.0 76 3.7 -5.1 320 5 329.0 329.9 295.3 344.2 4.53 16 400 7570 -13.7 -16.5 79 2.8 -14.7 65 10 337.2 337.7 295.8 346.5 2.63 17 355 8470 -20.5 -22.5 84 2.0 -21.1 62 13 339.7 340.1 295.8 346.2 1.77 18 323 9166 -25.3 -29.8 66 4.5 -26.3 55 16 342.4 342.6 295.8 346.2 1.00 19 300 9700 -29.5 -33.2 70 3.7 -30.2 65 5 343.8 344.0 295.9 346.8 0.78 20 273 10369 -34.9 -37.9 74 3.0 -35.3 41 8 345.4 345.5 296.1 347.5 0.53 21 250 10980 -40.1 -43.3 71 3.2 -40.4 40 8 346.4 346.5 296.1 347.8 0.33 22 200 12470 -52.7 -56.8 61 4.1 -52.8 310 9 349.3 349.3 296.5 349.7 0.09 23 159 13924 -64.9 -69.4 54 4.5 -65.0 238 10 352.4 352.4 297.1 352.5 0.02 24 150 14280 -67.1 -71.6 53 4.5 -67.1 220 10 354.5 354.5 297.6 354.6 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 525.00 mb = 5451.54 m = 17885.40 ft Wetbulb zero: 583.93 mb = 4594.09 m = 15072.30 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 72.18 % Est. max temperature: 33.86 C = 92.96 F Sfc-Lift cond lev (LCL): 948.37 mb = 514.65 m = 1688.47 ft T: 25.34 C 700-500 lapse rate: 5.38 C/km ThetaE index: 26.17 C Layer 850.0- 646.0 mb Conv cond level (CCL): 834.77 mb = 1619.35 m = 5312.75 ft Mean mixing ratio: 16.73 g/kg Conv temperature: 34.88 C = 94.78 F Cap Strength: 1.67 C Lifted Index: -0.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.04 C Lifted Index @700 mb: 0.36 C Showalter Index: 0.96 C Risk: Thunderstorms probable Total Totals Index: 41.90 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 18.80 C K Index: 25.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 197.00 Risk: None Energy Index: -0.50 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 575.90 J/kg Max Up Vert Vel: 33.94 m/s Conv Inhibition (B-): 68.45 J/kg Cap Strength: 1.66 C Lift Cond Lev (LCL): 901.00 mb = 961.12 m = 3153.24 ft Lev Free Conv (LFC): 766.00 mb = 2348.46 m = 7704.81 ft Equ Level (EL): 706.00 mb = 3035.53 m = 9958.98 ft B at Equ Level: 30.04 J/kg Wind level data Storm motion: 82 at 5 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 60 4 -3.5 -2.0 | 311 2 1.5 -1.3 1 1000 49 75 4 -3.9 -1.0 | 288 1 1.1 -0.4 2 971 305 110 2 -1.9 0.7 | 246 3 3.1 1.4 3 938 610 310 6 4.6 -3.9 | 288 10 9.6 -3.2 4 925 733 310 7 5.4 -4.5 | 290 11 10.3 -3.8 5 906 914 325 6 3.4 -4.9 | 297 9 8.4 -4.2 6 874 1219 20 2 -0.7 -1.9 | 286 4 4.3 -1.2 7 850 1464 210 3 1.5 2.6 | 243 7 6.5 3.3 8 814 1829 135 4 -2.8 2.8 | 211 4 2.1 3.5 9 785 2134 70 6 -5.6 -2.1 | 26 2 -0.7 -1.4 10 758 2438 65 9 -8.2 -3.8 | 45 4 -3.2 -3.1 11 731 2743 60 14 -12.1 -7.0 | 49 10 -7.1 -6.3 12 700 3107 70 17 -16.0 -5.8 | 65 12 -11.0 -5.1 13 654 3658 80 10 -9.8 -1.7 | 78 5 -4.9 -1.1 14 607 4267 45 5 -3.5 -3.5 | 333 3 1.4 -2.9 15 563 4877 20 4 -1.4 -3.8 | 310 5 3.6 -3.1 16 500 5840 320 5 3.2 -3.8 | 291 9 8.2 -3.2 17 484 6096 350 4 0.7 -3.9 | 300 7 5.7 -3.3 18 400 7570 65 10 -9.1 -4.2 | 49 5 -4.1 -3.5 19 397 7620 70 9 -8.5 -3.1 | 55 4 -3.5 -2.4 20 323 9144 55 16 -13.1 -9.2 | 44 12 -8.1 -8.5 21 300 9700 65 5 -4.5 -2.1 | 343 2 0.4 -1.4 22 261 10668 30 10 -5.0 -8.7 | 0 8 -0.0 -8.0 23 250 10980 40 8 -5.1 -6.1 | 2 5 -0.2 -5.5 24 200 12470 310 9 6.9 -5.8 | 293 13 11.9 -5.1 25 150 14280 220 10 6.4 7.7 | 234 14 11.4 8.3 Wind Parameters Mean winds (0-6000m): 52.2 at 6.7 knts Storm direction: 82.2 at 5.0 knts Shear (0-3000m) pos: 1.1 neg: 1.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 109.4 deg Storm rel helicity (0-3000m) pos: 14.0 neg: -24.8 tot: -10.7 m^2/s^2 ave: -3.6 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 8.9 stream: -1.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 323.39 Bulk Shear: 1.78 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 66 3 287 2| 0.0 4.1 4.1| 2.6 -0.8 1.8 3.6 0.16| 10.3 1.6 1000 334 5 297 8| 0.0 2.9 2.9| 7.3 -6.5 0.8 0.8 0.03| 10.1 0.3 1500 332 4 293 7| 0.0 2.3 2.3| 7.3 -18.8 -11.5 -7.7 -0.21| 10.5 -2.2 2000 342 4 297 7| 0.0 0.8 0.8| 7.3 -24.4 -17.1 -8.6 -0.29| 9.8 -2.9 2500 44 5 327 3| 0.0 1.3 1.3| 7.9 -24.8 -16.9 -6.8 -0.29| 9.3 -2.7 3000 56 6 3 3| 1.1 1.0 2.1| 14.0 -24.8 -10.7 -3.6 -0.21| 8.9 -1.9 4000 65 8 38 3| 0.4 0.4 0.8| 20.9 -28.4 -7.4 -1.9 -0.19| 8.3 -1.5 5000 61 7 24 3| 0.3 0.7 1.0| 20.9 -32.3 -11.4 -2.3 -0.23| 7.2 -1.7 6000 52 7 5 3| 0.3 0.7 1.0| 22.5 -36.6 -14.0 -2.3 -0.24| 6.5 -1.5 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20250429.00.gif