UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100800.upa.cvt Date: 0000Z 8 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 8 OCT 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1014 4 27.6 25.0 86 2.6 25.7 100 1 299.6 303.2 298.4 358.3 20.04 1 1000 126 26.4 24.3 88 2.1 24.9 75 7 299.5 303.1 298.0 356.6 19.47 2 925 813 22.8 17.8 73 5.0 19.4 60 9 302.6 305.2 295.3 344.0 14.00 3 850 1545 18.6 10.6 60 8.0 13.6 85 15 305.6 307.4 292.8 334.1 9.48 4 800 2063 15.8 5.8 51 10.0 9.9 91 13 308.0 309.4 291.7 330.1 7.25 5 785 2223 14.6 7.6 63 7.0 10.3 93 13 308.4 309.9 292.7 333.9 8.37 6 771 2375 14.4 1.4 41 13.0 7.3 95 12 309.8 310.8 290.8 326.8 5.50 7 747 2642 12.6 5.6 62 7.0 8.5 98 11 310.6 312.1 292.9 334.2 7.66 8 711 3056 11.4 -7.6 26 19.0 2.5 103 9 313.7 314.3 289.8 323.5 3.03 9 710 3068 11.4 -6.6 28 18.0 2.8 104 9 313.8 314.5 290.1 324.4 3.28 10 700 3186 10.6 -8.4 25 19.0 1.9 105 9 314.2 314.8 289.9 323.6 2.90 11 652 3771 6.0 -4.0 49 10.0 1.0 105 10 315.5 316.3 291.6 329.4 4.36 12 635 3987 6.6 -15.4 19 22.0 -2.1 105 10 318.5 318.9 290.2 324.7 1.82 13 609 4328 3.8 -9.2 38 13.0 -2.0 105 11 319.2 319.8 291.6 329.4 3.13 14 541 5278 -1.5 -24.5 15 23.0 -8.6 105 12 323.8 324.0 290.9 327.3 0.97 15 526 5501 -3.3 -18.3 30 15.0 -8.7 105 12 324.3 324.6 291.7 330.2 1.72 16 500 5900 -5.3 -22.3 25 17.0 -10.7 105 13 326.6 326.8 292.0 331.1 1.28 17 489 6075 -5.7 -22.7 25 17.0 -11.1 105 12 328.2 328.4 292.4 332.6 1.26 18 479 6237 -6.5 -13.5 58 7.0 -9.4 104 12 329.1 329.7 294.0 338.8 2.82 19 465 6470 -7.5 -25.5 22 18.0 -12.8 103 11 330.7 330.9 292.9 334.4 1.03 20 457 6605 -8.9 -12.2 77 3.3 -10.3 103 11 330.6 331.2 294.7 341.8 3.28 21 452 6690 -9.1 -16.1 57 7.0 -11.8 103 10 331.4 331.9 294.3 339.7 2.41 22 446 6794 -10.1 -12.4 83 2.3 -11.1 102 10 331.4 332.0 295.0 342.7 3.31 23 431 7058 -11.1 -15.0 73 3.9 -12.6 102 9 333.4 333.9 295.0 343.0 2.77 24 426 7148 -11.1 -20.1 47 9.0 -14.1 101 9 334.5 334.9 294.6 341.0 1.82 25 414 7367 -12.7 -17.0 70 4.3 -14.3 101 8 335.2 335.7 295.2 343.8 2.44 26 400 7630 -14.1 -22.1 51 8.0 -16.6 100 7 336.7 337.0 294.9 342.5 1.63 27 381 7997 -16.3 -24.3 50 8.0 -18.6 94 8 338.5 338.8 295.2 343.6 1.40 28 361 8400 -19.5 -27.5 49 8.0 -21.5 88 8 339.5 339.7 295.2 343.6 1.11 29 353 8566 -21.1 -24.1 77 3.0 -22.0 85 9 339.5 339.8 295.6 345.1 1.54 30 341 8821 -22.5 -27.1 66 4.6 -23.7 81 9 341.0 341.2 295.6 345.5 1.22 31 338 8886 -22.3 -34.3 33 12.0 -24.6 80 9 342.1 342.2 295.4 344.5 0.62 32 325 9172 -24.5 -32.5 47 8.0 -26.1 75 10 342.9 343.1 295.7 345.9 0.77 33 300 9750 -28.9 -35.9 51 7.0 -30.0 65 11 344.6 344.8 296.0 347.0 0.60 34 292 9942 -30.5 -36.5 56 6.0 -31.4 54 10 345.0 345.2 296.0 347.3 0.58 35 278 10288 -33.7 -41.7 44 8.0 -34.7 34 8 345.3 345.4 295.9 346.7 0.35 36 261 10725 -37.5 -44.5 48 7.0 -38.2 8 6 346.0 346.1 296.0 347.2 0.28 37 259 10778 -37.9 -42.1 65 4.2 -38.4 5 6 346.2 346.3 296.1 347.7 0.36 38 250 11020 -39.3 -47.3 42 8.0 -39.9 350 5 347.6 347.7 296.3 348.5 0.21 39 238 11356 -41.9 -49.9 41 8.0 -42.5 356 6 348.6 348.7 296.5 349.3 0.17 40 200 12510 -52.3 -56.9 58 4.6 -52.5 15 11 349.9 350.0 296.7 350.3 0.09 41 185 13010 -56.7 -59.2 73 2.5 -56.8 49 12 350.7 350.7 296.8 351.0 0.07 42 181 13149 -57.1 -73.1 11 16.0 -57.3 58 12 352.3 352.3 297.1 352.3 0.01 43 172 13470 -60.1 -65.1 52 5.0 -60.2 81 13 352.5 352.5 297.2 352.6 0.04 44 156 14072 -65.5 -67.8 73 2.3 -65.5 123 14 353.3 353.3 297.4 353.4 0.03 45 150 14310 -67.3 -78.3 20 11.0 -67.4 140 15 354.2 354.2 297.5 354.2 0.01 46 148 14391 -67.7 -79.7 17 12.0 -67.8 138 15 354.8 354.8 297.7 354.8 0.00 47 139 14764 -70.3 -77.3 35 7.0 -70.4 127 15 356.7 356.7 298.0 356.7 0.01 48 131 15113 -72.9 -80.9 29 8.0 -72.9 117 16 358.1 358.1 298.3 358.1 0.00 49 100 16660 -81.1 -87.1 36 6.0 -81.1 70 17 371.0 371.0 300.8 371.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 560.25 mb = 5009.24 m = 16434.31 ft Wetbulb zero: 646.44 mb = 3841.14 m = 12602.01 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 46.20 % Est. max temperature: 33.12 C = 91.61 F Sfc-Lift cond lev (LCL): 976.97 mb = 331.35 m = 1087.08 ft T: 25.32 C 700-500 lapse rate: 5.86 C/km ThetaE index: 28.16 C Layer 1000.0- 785.0 mb Conv cond level (CCL): 867.87 mb = 1364.88 m = 4477.90 ft Mean mixing ratio: 16.78 g/kg Conv temperature: 32.96 C = 91.32 F Cap Strength: 1.81 C Lifted Index: -2.51 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.79 C Lifted Index @700 mb: -0.14 C Showalter Index: 4.00 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 15.90 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 170.20 Risk: None Energy Index: -0.50 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 439.98 J/kg Max Up Vert Vel: 29.66 m/s Conv Inhibition (B-): 39.94 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 916.87 mb = 889.46 m = 2918.14 ft Lev Free Conv (LFC): 791.87 mb = 2149.26 m = 7051.28 ft Equ Level (EL): 711.87 mb = 3045.56 m = 9991.88 ft B at Equ Level: 13.79 J/kg Max Parcel Lev (MPL): 111.87 mb = 16017.65 m = 52550.72 ft Wind level data Storm motion: 124 at 8 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 1014 4 100 1 -1.0 0.2 | 308 7 5.8 -4.5 1 1000 126 75 7 -6.8 -1.8 | 360 6 0.0 -6.5 2 925 813 60 9 -7.8 -4.5 | 6 9 -1.0 -9.2 3 850 1545 85 15 -14.9 -1.3 | 54 10 -8.2 -6.0 4 700 3186 105 9 -8.7 2.3 | 40 3 -1.9 -2.3 5 500 5900 105 13 -12.6 3.4 | 77 6 -5.8 -1.3 6 400 7630 100 7 -6.9 1.2 | 2 3 -0.1 -3.4 7 300 9750 65 11 -10.0 -4.6 | 19 10 -3.2 -9.3 8 250 11020 350 5 0.9 -4.9 | 321 12 7.6 -9.6 9 200 12510 15 11 -2.8 -10.6 | 346 16 3.9 -15.3 10 150 14310 140 15 -9.6 11.5 | 157 7 -2.9 6.8 11 100 16660 70 17 -16.0 -5.8 | 41 14 -9.2 -10.5 Wind Parameters Mean winds (0-6000m): 94.5 at 11.0 knts Storm direction: 124.5 at 8.2 knts Shear (0-3000m) pos: 1.1 neg: 1.7 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 98.8 deg Storm rel helicity (0-3000m) pos: 31.5 neg: -0.9 tot: 30.6 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 2.4 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 111.60 Bulk Shear: 3.94 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 72 7 356 7| 0.0 7.5 7.5| 10.4 0.0 10.4 20.9 0.83| 8.1 6.7 1000 67 8 3 8| 0.0 5.0 5.0| 15.6 0.0 15.6 15.6 0.78| 5.7 4.5 1500 72 9 16 8| 1.9 3.3 5.2| 29.6 0.0 29.6 19.8 0.85| 5.7 4.9 2000 77 11 27 8| 1.5 2.5 4.0| 31.5 0.0 31.5 15.7 0.78| 4.9 3.8 2500 81 11 32 8| 1.2 2.0 3.2| 31.5 -0.2 31.3 12.5 0.69| 4.4 3.0 3000 83 11 35 7| 1.1 1.7 2.8| 31.5 -0.9 30.6 10.2 0.60| 4.0 2.4 4000 88 11 37 6| 0.9 1.3 2.2| 32.4 -1.2 31.1 7.8 0.58| 3.3 1.9 5000 92 11 42 6| 0.7 1.2 1.9| 33.4 -1.2 32.2 6.4 0.59| 2.8 1.6 6000 94 11 48 6| 0.6 1.1 1.6| 34.4 -1.6 32.8 5.5 0.57| 2.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251008.00.gif