UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VG977... Searching the city database file for: VG977 ... Date:0000Z 20 OCT 25 Station: VG977 WMO ident: 41977 Latitude: 22.35 Longitude: 91.82 ------------------------------------------------------------------------------- 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 1007 40 25.2 24.9 98 0.3 25.0 0 0 297.8 301.4 297.9 356.1 20.06 1 1005 57 26.8 24.9 89 1.9 25.4 19 1 299.5 303.2 298.4 358.4 20.10 2 1000 101 26.6 24.2 87 2.4 24.9 65 3 299.8 303.3 298.0 356.5 19.35 3 989 199 26.6 22.7 79 3.9 23.8 59 4 300.7 304.0 297.3 353.1 17.83 4 981 271 26.4 24.5 89 1.9 25.0 54 4 301.2 304.9 298.8 360.5 20.11 5 925 789 23.4 21.2 87 2.2 21.8 20 8 303.2 306.4 297.7 354.9 17.39 6 872 1303 19.8 18.0 89 1.8 18.5 128 4 304.7 307.4 296.5 349.6 15.06 7 850 1524 19.2 14.5 74 4.7 16.0 175 2 306.3 308.6 295.1 343.2 12.31 8 822 1812 17.8 10.8 64 7.0 13.3 175 2 307.7 309.6 293.8 337.9 9.95 9 700 3169 9.6 3.6 66 6.0 6.1 175 2 313.1 314.5 293.1 335.3 7.10 10 624 4111 3.8 0.8 81 3.0 2.1 316.9 318.2 293.7 337.6 6.51 11 619 4176 3.6 -3.4 60 7.0 0.1 317.4 318.4 292.5 332.9 4.81 12 591 4550 1.0 -2.9 75 3.9 -1.0 318.7 319.7 293.2 335.5 5.23 13 588 4591 0.8 -1.5 85 2.3 -0.4 318.9 320.0 293.7 337.6 5.84 14 585 4632 0.8 -6.2 59 7.0 -2.5 319.3 320.1 292.4 332.7 4.11 15 566 4896 -0.7 -3.4 82 2.7 -2.1 320.6 321.6 293.7 337.7 5.26 16 552 5095 -1.7 -8.7 59 7.0 -4.8 321.7 322.4 292.7 333.6 3.59 17 547 5168 -2.1 -3.8 88 1.7 -3.0 322.1 323.1 294.1 339.3 5.29 18 519 5583 -4.5 -9.5 68 5.0 -6.7 324.1 324.8 293.3 336.0 3.59 19 512 5690 -5.3 -6.6 91 1.3 -5.9 324.4 325.3 294.2 339.4 4.56 20 510 5720 -5.5 -7.5 86 2.0 -6.4 324.5 325.3 294.0 338.6 4.27 21 499 5891 -5.1 -12.1 58 7.0 -8.0 327.0 327.6 293.6 337.3 3.03 22 498 5907 -5.1 -11.1 63 6.0 -7.7 327.2 327.9 293.9 338.3 3.29 23 452 6659 -11.7 -12.7 92 1.0 -12.1 328.1 328.7 294.0 338.9 3.19 24 451 6676 -11.7 -12.8 92 1.1 -12.2 328.3 329.0 294.1 339.1 3.17 25 436 6935 -11.9 -16.7 67 4.8 -13.6 331.3 331.7 294.2 339.5 2.37 26 418 7256 -14.3 -18.8 69 4.5 -15.8 332.2 332.6 294.2 339.5 2.07 27 416 7292 -14.7 -18.8 71 4.1 -16.1 332.1 332.6 294.2 339.4 2.08 28 415 7310 -14.7 -14.7 100 0.0 -14.7 332.4 333.0 294.9 342.6 2.95 29 410 7402 -14.5 -21.5 55 7.0 -16.7 333.8 334.1 294.3 339.7 1.67 30 394 7703 -16.5 -21.5 65 5.0 -18.0 335.0 335.3 294.6 341.2 1.74 31 385 7876 -17.3 -28.3 38 11.0 -20.0 336.2 336.4 294.3 339.7 0.96 32 384 7896 -17.3 -27.3 41 10.0 -19.8 336.4 336.6 294.4 340.3 1.06 33 377 8033 -18.5 -24.5 59 6.0 -20.1 336.6 336.9 294.7 341.7 1.39 34 366 8253 -19.9 -37.9 19 18.0 -23.1 337.6 337.7 294.1 339.1 0.40 35 360 8376 -21.1 -35.1 27 14.0 -23.8 337.6 337.7 294.2 339.6 0.54 36 355 8479 -21.9 -26.1 69 4.2 -22.9 337.9 338.1 294.9 342.6 1.28 37 341 8774 -23.9 -31.9 48 8.0 -25.5 339.1 339.2 294.8 342.0 0.77 38 334 8925 -24.9 -29.2 67 4.3 -25.8 339.7 339.9 295.1 343.5 1.02 39 229 11553 -45.9 -50.7 58 4.8 -46.2 346.4 346.4 296.0 347.1 0.16 40 226 11641 -46.7 -51.7 57 5.0 -47.0 346.5 346.5 296.0 347.1 0.14 41 204 12312 -51.9 -57.9 48 6.0 -52.1 348.6 348.6 296.4 348.9 0.08 42 188 12838 -55.3 -74.3 8 19.0 -55.6 351.4 351.4 297.0 351.4 0.01 43 145 14447 -67.9 -78.9 19 11.0 -67.9 356.6 356.6 298.0 356.6 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5774.78 m Freezing level: 574.87 mb = 4772.60 m = 15657.96 ft Wetbulb zero: 616.92 mb = 4203.48 m = 13790.79 ft Precipitable water: 2.19 inches Sfc-500 mean rel hum: 74.42 % Est. max temperature: 33.20 C = 91.77 F Sfc-Lift cond lev (LCL): 1003.11 mb = 73.76 m = 242.01 ft T: 26.72 C 700-500 lapse rate: 5.44 C/km ThetaE index: 25.28 C Layer 925.0- 624.0 mb Conv cond level (CCL): 900.57 mb = 1022.18 m = 3353.57 ft Mean mixing ratio: 18.49 g/kg Conv temperature: 31.34 C = 88.41 F Cap Strength: 1.21 C Lifted Index: -4.45 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.99 C Lifted Index @700 mb: -2.72 C Showalter Index: 0.35 C Risk: Thunderstorms probable Total Totals Index: 43.97 C Risk: None Vertical Totals Index: 24.34 C Cross Totals Index: 19.64 C K Index: 32.84 Risk: 60-80 % chance of thunderstorms Energy Index: -1.19 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2150.94 J/kg Max Up Vert Vel: 65.59 m/s Conv Inhibition (B-): 11.95 J/kg Cap Strength: 1.21 C Lift Cond Lev (LCL): 926.27 mb = 776.95 m = 2549.01 ft Lev Free Conv (LFC): 881.27 mb = 1210.95 m = 3972.90 ft Wind level data Storm motion: 93 at 3 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 1007 40 0 0 -0.0 -0.0 | 273 3 2.6 -0.1 1 1000 101 65 3 -2.7 -1.3 | 6 1 -0.1 -1.4 2 925 789 20 8 -2.7 -7.5 | 1 8 -0.2 -7.6 3 850 1524 175 2 -0.2 2.0 | 232 3 2.4 1.9 4 700 3169 175 2 -0.2 2.0 | 232 3 2.4 1.9 Wind Parameters Mean winds (0-6000m): 62.9 at 3.4 knts Storm direction: 92.9 at 2.6 knts Shear (0-3000m) pos: 0.3 neg: 0.0 tot: 0.3 10-3/s Storm rel Dir Shear (0-3000m): -40.7 deg Storm rel helicity (0-3000m) pos: 13.5 neg: -2.0 tot: 11.5 m^2/s^2 ave: 3.8 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.7 10^-3/s Energy-Hel index: 0.18 Bulk Rich Number: 9103.78 Bulk Shear: 0.24 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 46 4 9 3| 6.4 0.0 6.4| 1.3 -0.5 0.8 1.5 0.47| 7.6 3.6 1000 36 6 8 5| 3.1 0.0 3.1| 8.5 -2.0 6.5 6.5 0.49| 8.1 4.0 1500 31 5 0 4| 0.7 0.0 0.7| 13.5 -2.0 11.5 7.7 0.65| 8.3 5.3 2000 37 4 1 4| 0.5 0.0 0.5| 13.5 -2.0 11.5 5.8 0.65| 6.2 4.0 2500 46 4 4 3| 0.4 0.0 0.4| 13.5 -2.0 11.5 4.6 0.65| 5.0 3.2 3000 59 4 12 2| 0.3 0.0 0.3| 13.5 -2.0 11.5 3.8 0.65| 4.1 2.7 4000 NO DATA | 0.3 0.0 0.3| | 5000 NO DATA | 0.3 0.0 0.3| | 6000 NO DATA | 0.3 0.0 0.3| | Wrote GIF file: /home/apache/climate/data/raob//VG977/skewt/VG977.skewt.20251020.00.gif