UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:0000Z 18 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 ------------------------------------------------------------------------------- 0 1000 60 27.0 23.2 80 3.8 24.2 65 7 300.1 303.5 297.4 353.5 18.19 SFC 998 3 27.2 23.6 81 3.6 24.6 65 5 300.5 303.9 297.8 355.4 18.68 2 996 23 27.0 23.4 81 3.6 24.4 61 5 300.5 303.9 297.7 354.8 18.49 3 995 33 27.0 23.5 81 3.5 24.5 60 5 300.6 304.0 297.8 355.3 18.63 4 991 72 26.8 23.3 81 3.5 24.2 53 5 300.7 304.1 297.7 355.1 18.47 5 925 743 23.6 21.0 85 2.6 21.8 310 9 303.4 306.6 297.6 354.5 17.17 6 850 1474 19.6 17.0 85 2.6 17.8 235 5 306.7 309.4 296.7 350.3 14.49 7 794 2057 16.4 13.6 83 2.8 14.5 151 2 309.3 311.6 296.0 347.1 12.43 8 700 3120 11.4 -2.6 37 14.0 4.1 70 18 315.1 316.0 291.6 329.5 4.51 9 699 3132 11.2 -2.8 37 14.0 3.9 70 18 315.0 315.9 291.5 329.2 4.45 10 675 3422 8.8 0.8 57 8.0 4.4 70 14 315.5 316.7 292.9 334.5 6.02 11 631 3976 6.0 -5.0 45 11.0 0.5 82 11 318.4 319.3 292.3 332.0 4.18 12 608 4278 3.6 -1.4 70 5.0 1.0 95 10 319.1 320.2 293.7 337.3 5.69 13 584 4603 1.2 -2.3 77 3.5 -0.6 164 7 320.0 321.1 293.8 337.8 5.54 14 581 4645 1.2 -2.3 77 3.5 -0.6 173 7 320.4 321.5 293.9 338.4 5.57 15 570 4798 0.8 -9.2 47 10.0 -3.7 206 6 321.7 322.4 292.4 332.8 3.34 16 561 4926 0.8 -8.2 51 9.0 -3.4 227 5 323.2 323.9 293.2 335.4 3.67 17 544 5174 2.2 -21.8 15 24.0 -6.2 238 9 327.7 328.0 292.3 332.1 1.23 18 517 5583 0.4 -26.6 11 27.0 -8.0 257 14 330.4 330.5 292.6 333.4 0.84 19 514 5630 0.0 -27.0 11 27.0 -8.3 260 14 330.4 330.6 292.6 333.4 0.81 20 500 5850 -1.9 -25.9 14 24.0 -9.4 270 17 330.7 330.9 292.8 334.1 0.93 21 443 6804 -8.9 -24.9 26 16.0 -13.7 263 14 333.5 333.8 293.7 337.7 1.14 22 400 7590 -14.1 -32.1 20 18.0 -18.3 260 10 336.7 336.8 294.1 339.1 0.65 23 387 7841 -15.7 -35.7 16 20.0 -19.8 263 11 337.8 337.9 294.2 339.6 0.47 24 369 8201 -18.1 -29.1 38 11.0 -20.8 259 12 339.2 339.4 295.0 342.7 0.93 25 300 9720 -29.5 -43.5 25 14.0 -31.2 270 8 343.8 343.9 295.5 344.9 0.27 26 265 10597 -36.9 -51.9 20 15.0 -38.0 288 8 345.4 345.4 295.7 345.9 0.12 27 250 11000 -39.3 -52.3 24 13.0 -40.2 220 11 347.6 347.7 296.2 348.1 0.12 28 200 12490 -52.9 -63.9 25 11.0 -53.2 165 6 349.0 349.0 296.4 349.2 0.04 29 151 14250 -67.1 -76.1 27 9.0 -67.2 87 8 353.8 353.8 297.4 353.9 0.01 30 150 14290 -67.3 -76.3 27 9.0 -67.4 85 8 354.2 354.2 297.5 354.2 0.01 31 109 16171 -80.5 -88.5 25 8.0 -80.5 90 17 363.1 363.1 299.3 363.1 0.00 32 100 16660 -81.5 -89.5 24 8.0 -81.5 70 18 370.3 370.3 300.6 370.3 0.00 33 95 16949 -82.3 -90.3 24 8.0 -82.3 72 22 374.2 374.2 301.3 374.2 0.00 34 93 17069 -80.9 -88.9 25 8.0 -80.9 73 26 379.2 379.2 302.1 379.2 0.00 35 83 17706 -84.7 -92.7 23 8.0 -84.7 80 47 384.0 384.0 302.9 384.0 0.00 36 78 18053 -82.1 -90.1 24 8.0 -82.1 91 36 396.3 396.3 304.7 396.3 0.00 37 73 18424 -82.9 -90.9 24 8.0 -82.9 103 24 402.2 402.2 305.5 402.2 0.00 38 70 18660 -80.9 -88.9 25 8.0 -80.9 110 16 411.3 411.3 306.7 411.3 0.00 39 67 18907 -79.7 -87.7 25 8.0 -79.7 419.1 419.1 307.6 419.1 0.00 40 64 19171 -74.1 -83.1 24 9.0 -74.2 436.9 436.9 309.6 436.9 0.01 41 60 19548 -73.5 -81.5 28 8.0 -73.6 446.4 446.4 310.5 446.4 0.01 42 59 19647 -70.7 -79.7 25 9.0 -70.8 454.8 454.8 311.3 454.9 0.01 TRP 83 17706 -84.7 -92.7 23 8.0 -84.7 80 47 384.0 384.0 302.9 384.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 514.00 mb = 5629.76 m = 18470.12 ft Wetbulb zero: 593.48 mb = 4473.50 m = 14676.67 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 60.15 % Est. max temperature: 33.44 C = 92.20 F Sfc-Lift cond lev (LCL): 947.60 mb = 508.00 m = 1666.64 ft T: 24.72 C 700-500 lapse rate: 4.87 C/km ThetaE index: 26.12 C Layer 991.0- 675.0 mb Conv cond level (CCL): 860.99 mb = 1362.98 m = 4471.66 ft Mean mixing ratio: 17.55 g/kg Conv temperature: 32.86 C = 91.15 F Cap Strength: 1.60 C Lifted Index: -0.51 C Risk: Thunderstorms probable Lifted Index @300 mb: -3.50 C Lifted Index @700 mb: -0.40 C Showalter Index: 0.95 C Risk: Thunderstorms probable Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 18.90 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 231.00 Risk: None Energy Index: -3.09 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1079.18 J/kg Max Up Vert Vel: 46.46 m/s Conv Inhibition (B-): 37.40 J/kg Cap Strength: 1.60 C Lift Cond Lev (LCL): 907.51 mb = 908.06 m = 2979.17 ft Lev Free Conv (LFC): 782.51 mb = 2180.20 m = 7152.80 ft Equ Level (EL): 532.51 mb = 5345.51 m = 17537.56 ft B at Equ Level: 176.30 J/kg Max Parcel Lev (MPL): 82.51 mb = 17739.18 m = 58198.69 ft Wind level data Storm motion: 79 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 ---------------------------------------------------------- 0 998 3 65 5 -4.5 -2.1 | 287 3 2.4 -0.7 1 968 305 10 4 -0.7 -3.9 | 292 7 6.2 -2.6 2 938 610 325 9 5.2 -7.4 | 296 13 12.1 -6.0 3 925 743 310 9 6.9 -5.8 | 288 15 13.8 -4.4 4 907 914 295 9 8.2 -3.8 | 279 15 15.1 -2.4 5 875 1219 285 7 6.8 -1.8 | 272 14 13.7 -0.4 6 850 1474 235 5 4.1 2.9 | 249 12 11.0 4.2 7 815 1829 220 1 0.6 0.8 | 254 8 7.6 2.1 8 786 2134 125 2 -1.6 1.1 | 245 6 5.3 2.5 9 759 2438 65 10 -9.1 -4.2 | 37 4 -2.1 -2.9 10 732 2743 80 16 -15.8 -2.8 | 81 9 -8.8 -1.4 11 700 3120 70 18 -16.9 -6.2 | 64 11 -10.0 -4.8 12 655 3658 70 11 -10.3 -3.8 | 55 4 -3.4 -2.4 13 608 4267 95 10 -10.0 0.9 | 126 4 -3.0 2.2 14 564 4877 225 5 3.5 3.5 | 245 12 10.5 4.9 15 500 5850 270 17 17.0 -0.0 | 267 24 23.9 1.4 16 484 6096 265 17 16.9 1.5 | 263 24 23.9 2.8 17 400 7590 260 10 9.8 1.7 | 260 17 16.8 3.1 18 398 7620 265 11 11.0 1.0 | 263 18 17.9 2.3 19 324 9144 250 13 12.2 4.4 | 253 20 19.1 5.8 20 300 9720 270 8 8.0 -0.0 | 265 15 14.9 1.4 21 262 10668 290 8 7.5 -2.7 | 275 15 14.4 -1.4 22 250 11000 220 11 7.1 8.4 | 235 17 14.0 9.8 23 200 12490 165 6 -1.6 5.8 | 217 9 5.4 7.2 24 150 14290 85 8 -8.0 -0.7 | 122 1 -1.0 0.7 25 127 15240 125 14 -11.5 8.0 | 154 10 -4.5 9.4 26 100 16660 70 18 -16.9 -6.2 | 64 11 -10.0 -4.8 27 98 16764 70 16 -15.0 -5.5 | 63 9 -8.1 -4.1 28 83 17706 80 47 -46.3 -8.2 | 80 40 -39.4 -6.8 29 70 18660 110 16 -15.0 5.5 | 130 11 -8.1 6.8 Wind Parameters Mean winds (0-6000m): 48.9 at 9.4 knts Storm direction: 78.9 at 7.1 knts Shear (0-3000m) pos: 1.1 neg: 1.1 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 141.8 deg Storm rel helicity (0-3000m) pos: 9.1 neg: -54.4 tot: -45.2 m^2/s^2 ave: -15.1 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 8.7 stream: -3.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 243.13 Bulk Shear: 4.44 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 17 5 302 6| 0.0 8.6 8.6| 2.6 -0.8 1.9 3.7 0.13| 9.0 1.2 1000 328 7 293 11| 0.0 6.4 6.4| 2.6 -22.4 -19.7 -19.7 -0.27| 8.7 -2.4 1500 309 7 283 13| 0.0 3.3 3.3| 2.6 -44.9 -42.3 -28.2 -0.46| 8.4 -3.8 2000 301 6 277 12| 0.0 1.4 1.4| 4.3 -46.8 -42.5 -21.3 -0.39| 7.5 -2.9 2500 318 6 285 11| 0.0 1.3 1.3| 4.4 -50.4 -46.1 -18.4 -0.45| 8.8 -4.0 3000 29 7 326 6| 1.1 1.1 2.1| 9.1 -54.4 -45.2 -15.1 -0.36| 8.7 -3.1 4000 58 9 11 3| 0.6 0.3 0.9| 11.5 -58.7 -47.2 -11.8 -0.29| 7.8 -2.2 5000 68 9 30 2| 1.4 0.2 1.6| 48.0 -58.7 -10.7 -2.1 0.00| 8.4 0.0 6000 49 9 2 5| 2.0 0.2 2.2| 84.6 -62.5 22.0 3.7 0.07| 8.2 0.6 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20250418.00.gif