UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:0000Z 21 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 ------------------------------------------------------------------------------- SFC 1004 3 25.0 24.1 95 0.9 24.3 0 0 297.8 301.3 297.4 353.5 19.15 1 925 740 20.8 20.1 96 0.7 20.3 180 4 300.6 303.5 296.2 348.2 16.22 2 850 1469 17.0 16.7 98 0.3 16.8 50 7 304.0 306.6 295.8 346.2 14.21 3 766 2353 13.4 11.0 85 2.4 11.9 54 8 309.3 311.3 294.8 342.2 10.83 4 700 3108 9.6 7.4 86 2.2 8.2 75 12 313.1 314.9 294.8 341.9 9.27 5 688 3251 9.0 6.6 85 2.4 7.5 78 12 314.0 315.7 294.7 341.8 8.93 6 625 4042 5.0 3.0 87 2.0 3.8 85 15 318.2 319.6 294.9 342.4 7.63 7 554 5016 -0.7 -1.6 94 0.9 -1.2 84 19 322.6 323.8 294.9 342.6 6.16 8 500 5830 -5.1 -6.2 92 1.1 -5.7 90 24 326.8 327.8 295.0 342.8 4.82 9 494 5925 -5.5 -6.8 91 1.3 -6.1 90 24 327.5 328.4 295.0 343.0 4.66 10 467 6366 -7.3 -10.3 79 3.0 -8.7 90 24 330.5 331.3 295.1 343.3 3.74 11 435 6918 -10.5 -12.1 88 1.6 -11.2 90 23 333.2 334.0 295.6 345.2 3.48 12 404 7484 -14.3 -14.9 95 0.6 -14.5 90 22 335.4 336.1 295.7 345.9 2.98 13 400 7560 -14.9 -15.4 96 0.5 -15.1 90 22 335.6 336.2 295.7 345.7 2.89 14 360 8349 -19.1 -20.8 86 1.7 -19.6 97 22 340.3 340.7 296.1 347.6 2.03 15 321 9192 -24.7 -28.2 73 3.5 -25.5 104 22 343.9 344.1 296.3 348.2 1.17 16 300 9680 -27.9 -33.9 56 6.0 -29.0 95 26 346.1 346.2 296.4 348.9 0.73 17 250 10960 -38.9 -50.9 27 12.0 -39.8 85 25 348.2 348.3 296.4 348.8 0.14 18 249 10987 -39.1 -51.1 27 12.0 -39.9 348.3 348.4 296.4 348.9 0.14 19 225 11673 -45.5 -57.5 25 12.0 -46.0 348.8 348.8 296.4 349.1 0.07 TRP WND Sounding variables and indices 1000-500 mb thick: 5791.10 m Freezing level: 562.72 mb = 4896.67 m = 16064.99 ft Wetbulb zero: 571.06 mb = 4771.23 m = 15653.46 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 90.95 % Est. max temperature: 30.96 C = 87.74 F Sfc-Lift cond lev (LCL): 991.39 mb = 116.67 m = 382.77 ft T: 24.35 C 700-500 lapse rate: 5.40 C/km ThetaE index: 11.69 C Layer 925.0- 625.0 mb Conv cond level (CCL): 925.00 mb = 740.00 m = 2427.79 ft Mean mixing ratio: 17.30 g/kg Conv temperature: 28.13 C = 82.63 F Cap Strength: 0.31 C Lifted Index: -2.25 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.32 C Lifted Index @700 mb: -1.08 C Showalter Index: -0.78 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.80 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 238.40 Risk: None Energy Index: -0.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 394.33 J/kg Max Up Vert Vel: 28.08 m/s Conv Inhibition (B-): 0.93 J/kg Cap Strength: 0.96 C Lift Cond Lev (LCL): 943.46 mb = 562.26 m = 1844.65 ft Lev Free Conv (LFC): 918.46 mb = 801.13 m = 2628.35 ft Equ Level (EL): 308.46 mb = 9479.13 m = 31099.12 ft B at Equ Level: 392.90 J/kg Wind level data Storm motion: 115 at 11 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 1004 3 0 0 -0.0 -0.0 | 295 11 9.8 -4.6 1 1000 0 245 120 108.8 50.7 | 249 127 118.6 46.1 2 968 305 210 5 2.5 4.3 | 271 12 12.3 -0.3 3 938 610 195 4 1.0 3.9 | 274 11 10.8 -0.8 4 925 740 180 4 0.0 4.0 | 274 10 9.8 -0.6 5 906 914 145 2 -1.1 1.6 | 289 9 8.7 -3.0 6 875 1219 70 5 -4.7 -1.7 | 321 8 5.1 -6.3 7 850 1469 50 7 -5.4 -4.5 | 334 10 4.4 -9.1 8 815 1829 35 7 -4.0 -5.7 | 331 12 5.8 -10.4 9 786 2134 40 7 -4.5 -5.4 | 332 11 5.3 -10.0 10 758 2438 60 8 -6.9 -4.0 | 342 9 2.9 -8.6 11 731 2743 65 10 -9.1 -4.2 | 355 9 0.7 -8.8 12 705 3048 75 12 -11.6 -3.1 | 13 8 -1.8 -7.7 13 700 3108 75 12 -11.6 -3.1 | 13 8 -1.8 -7.7 14 654 3658 85 13 -13.0 -1.1 | 29 7 -3.1 -5.8 15 630 3962 85 15 -14.9 -1.3 | 41 8 -5.1 -5.9 16 607 4267 85 15 -14.9 -1.3 | 41 8 -5.1 -5.9 17 584 4572 85 16 -15.9 -1.4 | 46 9 -6.1 -6.0 18 563 4877 85 18 -17.9 -1.6 | 53 10 -8.1 -6.2 19 522 5486 80 22 -21.7 -3.8 | 55 15 -11.9 -8.4 20 500 5830 90 24 -24.0 0.0 | 72 15 -14.2 -4.6 21 483 6096 90 24 -24.0 0.0 | 72 15 -14.2 -4.6 22 400 7560 90 22 -22.0 0.0 | 69 13 -12.2 -4.6 23 397 7620 90 22 -22.0 0.0 | 69 13 -12.2 -4.6 24 323 9144 105 22 -21.3 5.7 | 95 11 -11.4 1.1 25 300 9680 95 26 -25.9 2.3 | 82 16 -16.1 -2.4 26 261 10668 90 28 -28.0 0.0 | 76 19 -18.2 -4.6 27 250 10960 85 25 -24.9 -2.2 | 66 17 -15.1 -6.8 Wind Parameters Mean winds (0-6000m): 85.2 at 14.5 knts Storm direction: 115.2 at 10.8 knts Shear (0-3000m) pos: 1.2 neg: 21.5 tot: 22.7 10-3/s Storm rel Dir Shear (0-3000m): 121.6 deg Storm rel helicity (0-3000m) pos: 128.3 neg: -551.3 tot: -422.9 m^2/s^2 ave: -141.0 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 24.9 stream: 1.9 10^-3/s Energy-Hel index: 0.28 Bulk Rich Number: 1.07 Bulk Shear: 370.05 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 ------------------------------------------------------------------------------- 500 242 39 252 47| 0.0 119.1 119.1| 93.0-549.6-456.6 -913.2 -0.03|126.8 -3.9 1000 237 21 256 28| 0.0 61.9 61.9|100.9-549.7-448.8 -448.8 -0.00| 66.1 -0.3 1500 237 15 260 23| 0.0 43.1 43.1|113.1-549.7-436.6 -291.1 0.04| 46.6 1.8 2000 241 13 265 21| 0.0 32.2 32.2|113.4-551.3-437.9 -218.9 0.03| 35.4 1.2 2500 246 12 269 21| 0.7 25.8 26.5|119.4-551.3-431.8 -172.7 0.05| 29.0 1.4 3000 246 12 269 20| 1.2 21.5 22.7|128.3-551.3-422.9 -141.0 0.08| 24.9 1.9 4000 87 12 23 6| 1.5 16.1 17.6|135.9-551.3-415.4 -103.8 0.10| 19.3 1.9 5000 86 13 29 6| 1.2 13.3 14.4|140.6-551.3-410.6 -82.1 0.11| 15.8 1.7 6000 85 14 38 7| 1.3 11.3 12.6|158.7-551.3-392.6 -65.4 0.13| 13.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20251021.00.gif