UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for VECC... Searching the city database file for: VECC ... Date:1200Z 17 APR 25 Station: VECC WMO ident: 42809 Latitude: 22.65 Longitude: 88.45 Elevation: 6.00 ------------------------------------------------------------------------------- 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 6 27.0 19.0 62 8.0 21.4 0 0 299.8 302.3 294.4 340.5 13.90 1 977 245 24.4 17.4 65 7.0 19.6 93 5 299.5 301.9 293.6 337.2 12.90 2 958 417 23.8 16.8 65 7.0 19.1 77 8 300.6 302.9 293.7 337.8 12.66 3 956 435 23.4 16.4 65 7.0 18.7 76 9 300.4 302.7 293.5 336.6 12.36 4 953 462 23.6 16.6 65 7.0 18.8 75 9 300.9 303.2 293.7 337.8 12.56 5 944 545 26.0 16.0 54 10.0 19.2 72 12 304.1 306.4 294.4 340.5 12.20 6 942 564 26.6 17.6 58 9.0 20.3 71 13 304.9 307.4 295.6 345.4 13.56 7 925 724 25.0 17.0 61 8.0 19.5 65 18 304.9 307.3 295.4 344.6 13.29 8 850 1461 19.0 16.7 87 2.3 17.4 90 11 306.0 308.7 296.3 348.7 14.21 9 833 1634 17.2 16.4 95 0.8 16.7 152 8 305.9 308.6 296.3 348.6 14.23 10 779 2204 13.6 12.7 94 0.9 13.0 235 14 308.0 310.2 295.3 344.1 11.94 11 767 2335 12.4 10.3 87 2.1 11.1 236 14 308.1 310.0 294.1 339.3 10.32 12 764 2368 12.0 9.6 85 2.4 10.5 236 14 308.0 309.8 293.8 337.9 9.87 13 750 2524 13.6 6.6 63 7.0 9.3 237 14 311.3 312.9 293.4 336.6 8.18 14 734 2706 12.8 5.8 62 7.0 8.6 238 15 312.4 313.9 293.6 336.9 7.90 15 701 3092 10.8 2.8 58 8.0 6.2 240 15 314.3 315.6 293.2 335.3 6.69 16 700 3104 11.0 2.0 54 9.0 5.9 240 15 314.7 315.9 292.9 334.6 6.33 17 621 4085 2.0 -2.5 72 4.5 -0.3 227 14 315.3 316.3 292.2 331.6 5.13 18 609 4242 1.2 -5.8 60 7.0 -2.1 237 13 316.2 316.9 291.5 329.3 4.07 19 599 4374 0.0 -4.2 73 4.2 -2.0 251 12 316.3 317.2 292.0 331.2 4.68 20 580 4632 -1.1 -16.1 31 15.0 -6.6 279 10 317.9 318.3 290.0 324.2 1.88 21 571 4756 -1.7 -21.7 20 20.0 -8.1 275 14 318.6 318.9 289.6 322.7 1.18 22 539 5211 -5.7 -13.7 53 8.0 -8.8 263 16 319.2 319.6 291.0 327.3 2.46 23 537 5240 -5.9 -12.9 58 7.0 -8.6 262 16 319.3 319.8 291.2 328.0 2.64 24 533 5299 -5.3 -19.3 32 14.0 -9.9 261 16 320.7 321.0 290.6 326.0 1.56 25 531 5328 -4.9 -26.9 16 22.0 -10.9 260 16 321.5 321.6 290.0 324.3 0.80 26 519 5508 -4.9 -25.9 18 21.0 -10.9 256 15 323.6 323.8 290.8 326.8 0.89 27 500 5800 -6.5 -29.5 14 23.0 -12.5 250 13 325.1 325.2 291.0 327.5 0.66 28 492 5926 -7.5 -34.5 9 27.0 -13.6 250 13 325.4 325.5 290.8 326.9 0.42 29 461 6428 -10.9 -21.9 40 11.0 -14.3 251 12 327.3 327.5 292.3 332.3 1.44 30 427 7014 -13.3 -28.3 27 15.0 -17.1 225 14 331.5 331.6 293.0 334.6 0.87 31 418 7176 -13.1 -28.1 27 15.0 -17.0 210 14 333.7 333.9 293.6 337.1 0.90 32 410 7322 -14.3 -19.2 66 4.9 -15.9 197 15 334.0 334.5 294.6 341.3 2.04 33 405 7416 -13.5 -19.5 61 6.0 -15.5 189 15 336.2 336.7 295.1 343.4 2.02 34 400 7510 -13.1 -18.1 66 5.0 -14.9 180 15 338.0 338.4 295.8 346.2 2.30 TRP WND Sounding variables and indices 1000-500 mb thick: 5758.95 m Freezing level: 599.00 mb = 4374.32 m = 14351.27 ft Wetbulb zero: 624.47 mb = 4038.91 m = 13250.87 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 61.03 % Est. max temperature: 33.19 C = 91.74 F Sfc-Lift cond lev (LCL): 893.61 mb = 1024.87 m = 3362.40 ft T: 22.55 C 700-500 lapse rate: 6.49 C/km ThetaE index: 12.10 C Layer 833.0- 734.0 mb Conv cond level (CCL): 790.39 mb = 2080.97 m = 6827.23 ft Mean mixing ratio: 13.14 g/kg Conv temperature: 34.74 C = 94.54 F Cap Strength: 3.62 C Lifted Index: -0.16 C Risk: Thunderstorms probable Lifted Index @700 mb: 3.01 C Showalter Index: -3.06 C Risk: Severe thunderstorms possible Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 23.20 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 235.40 Risk: None Energy Index: -4.13 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 139.06 J/kg Max Up Vert Vel: 16.68 m/s Conv Inhibition (B-): 254.20 J/kg Cap Strength: 3.62 C Lift Cond Lev (LCL): 852.36 mb = 1436.85 m = 4714.01 ft Lev Free Conv (LFC): 637.36 mb = 3871.69 m = 12702.22 ft Equ Level (EL): 437.36 mb = 6830.51 m = 22409.52 ft B at Equ Level: 137.73 J/kg Wind level data Storm motion: 278 at 10 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 6 0 0 -0.0 -0.0 | 98 10 -9.5 1.3 1 1000 0 125 5 -4.1 2.9 | 107 14 -13.6 4.1 2 968 305 80 5 -4.9 -0.9 | 92 14 -14.4 0.4 3 925 724 65 18 -16.3 -7.6 | 76 27 -25.8 -6.3 4 905 914 60 17 -14.7 -8.5 | 73 25 -24.2 -7.2 5 874 1219 10 5 -0.9 -4.9 | 71 11 -10.4 -3.7 6 850 1461 90 11 -11.0 0.0 | 94 21 -20.5 1.3 7 844 1524 90 8 -8.0 0.0 | 94 18 -17.5 1.3 8 814 1829 265 8 8.0 0.7 | 142 3 -1.6 2.0 9 785 2134 235 14 11.5 8.0 | 192 9 1.9 9.3 10 700 3104 240 15 13.0 7.5 | 202 9 3.5 8.8 11 679 3353 235 14 11.5 8.0 | 192 9 1.9 9.3 12 653 3658 245 15 13.6 6.3 | 208 9 4.1 7.6 13 629 3962 220 14 9.0 10.7 | 177 12 -0.5 12.0 14 605 4267 240 13 11.3 6.5 | 193 8 1.7 7.8 15 583 4572 280 9 8.9 -1.6 | 66 1 -0.7 -0.3 16 561 4877 270 18 18.0 -0.0 | 262 9 8.5 1.3 17 500 5800 250 13 12.2 4.4 | 205 6 2.7 5.7 18 462 6401 250 12 11.3 4.1 | 198 6 1.8 5.4 19 444 6706 270 9 9.0 -0.0 | 157 1 -0.5 1.3 20 427 7010 225 14 9.9 9.9 | 182 11 0.4 11.2 21 400 7510 180 15 0.0 15.0 | 150 19 -9.5 16.3 22 394 7620 175 14 -1.2 13.9 | 145 19 -10.7 15.2 23 378 7925 250 2 1.9 0.7 | 104 8 -7.6 2.0 Wind Parameters Mean winds (0-6000m): 247.6 at 12.8 knts Storm direction: 277.6 at 9.6 knts Shear (0-3000m) pos: 4.3 neg: 1.7 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 97.8 neg: -75.1 tot: 22.7 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 13.2 stream: 2.2 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 2.97 Bulk Shear: 46.79 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 87 6 94 16| 0.0 9.3 9.3| 0.0 -24.9 -24.9 -49.8 -0.60| 10.4 -6.2 1000 68 11 82 20| 0.0 6.9 6.9| 0.0 -70.2 -70.2 -70.2 -0.56| 12.3 -6.8 1500 66 10 81 19| 3.3 4.6 7.8| 37.3 -75.1 -37.8 -25.2 -0.13| 15.5 -1.9 2000 66 10 81 19| 6.3 3.4 9.7| 94.1 -75.1 19.0 9.5 0.16| 18.5 3.0 2500 78 11 87 20| 5.0 2.0 7.0| 95.7 -75.1 20.6 8.2 0.16| 15.7 2.5 3000 200 11 155 13| 4.3 1.7 5.9| 97.8 -75.1 22.7 7.6 0.17| 13.2 2.2 4000 231 12 180 9| 3.1 1.2 4.3|102.6 -90.6 11.9 3.0 0.11| 11.0 1.2 5000 242 12 191 7| 2.2 0.5 2.7|109.7 -94.3 15.5 3.1 0.10| 11.1 1.1 6000 248 13 201 7| 1.8 0.4 2.3|109.7-105.6 4.1 0.7 0.04| 9.8 0.4 Wrote GIF file: /home/apache/climate/data/raob//VECC/skewt/VECC.skewt.20250417.12.gif