UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 13 OCT 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 112 SFC 959 477 22.0 21.6 98 0.4 21.8 340 1 298.7 301.8 296.4 348.7 17.18 2 945 605 21.0 21.0 100 0.0 21.0 352 2 298.9 302.0 296.1 347.9 16.79 3 925 791 20.2 20.2 100 0.0 20.2 10 3 300.0 302.9 296.1 347.7 16.32 4 850 1523 18.8 16.8 88 2.0 17.4 80 3 305.8 308.5 296.4 348.7 14.31 5 849 1533 18.8 16.8 88 2.0 17.4 80 3 305.9 308.6 296.4 348.9 14.32 6 745 2645 11.4 11.2 99 0.2 11.3 97 2 309.5 311.7 295.3 343.9 11.29 7 712 3024 10.2 8.7 90 1.5 9.3 103 1 312.3 314.2 295.0 343.0 9.97 8 703 3130 10.2 4.2 66 6.0 6.7 104 1 313.4 314.8 293.4 336.4 7.38 9 700 3166 9.8 5.8 76 4.0 7.4 105 1 313.3 314.9 294.1 339.1 8.29 10 698 3190 9.6 7.3 86 2.3 8.2 105 1 313.4 315.1 294.8 342.0 9.24 11 683 3370 9.8 -4.2 37 14.0 2.8 101 1 315.5 316.3 291.3 328.7 4.10 12 675 3468 8.6 5.9 83 2.7 6.9 99 1 315.3 316.9 294.9 342.4 8.67 13 669 3541 8.4 1.4 61 7.0 4.5 98 1 315.9 317.1 293.3 335.9 6.34 14 660 3653 8.0 4.4 78 3.6 5.9 95 1 316.6 318.2 294.7 341.8 7.97 15 642 3881 7.4 0.4 61 7.0 3.5 91 2 318.5 319.7 293.9 338.1 6.15 16 587 4612 2.4 -5.6 55 8.0 -1.5 76 2 320.9 321.7 293.0 334.9 4.29 17 578 4736 1.4 -2.1 77 3.5 -0.4 74 2 321.2 322.3 294.2 339.5 5.68 18 554 5077 0.0 -9.0 51 9.0 -4.1 67 2 323.4 324.1 293.0 335.0 3.49 19 504 5827 -5.3 -14.3 49 9.0 -8.8 51 3 325.8 326.3 292.9 334.4 2.51 20 500 5890 -5.3 -16.3 42 11.0 -9.4 50 3 326.6 327.0 292.8 333.9 2.14 21 498 5921 -5.5 -16.5 42 11.0 -9.6 51 3 326.7 327.1 292.8 334.0 2.11 22 489 6065 -4.3 -21.3 25 17.0 -10.1 55 4 329.9 330.2 293.0 334.9 1.43 23 458 6578 -7.1 -34.1 10 27.0 -13.6 72 5 332.6 332.7 292.9 334.4 0.47 24 400 7620 -13.9 -39.9 9 26.0 -18.8 105 9 336.9 337.0 293.9 338.1 0.30 25 389 7831 -14.7 -44.7 6 30.0 -19.7 101 9 338.6 338.6 294.1 339.3 0.18 26 333 8986 -24.1 -44.1 14 20.0 -26.8 80 10 341.1 341.1 294.8 342.0 0.23 27 309 9528 -27.7 -43.7 20 16.0 -29.7 69 11 343.4 343.5 295.4 344.5 0.26 28 300 9740 -29.1 -48.1 14 19.0 -31.2 65 11 344.4 344.4 295.5 345.0 0.16 29 281 10206 -32.7 -56.7 7 24.0 -34.5 83 10 345.7 345.7 295.7 346.0 0.06 30 250 11020 -39.5 -59.5 10 20.0 -40.5 115 7 347.3 347.4 296.1 347.6 0.05 31 200 12500 -52.1 -64.1 22 12.0 -52.4 360 3 350.3 350.3 296.7 350.4 0.03 32 198 12565 -52.5 -66.5 17 14.0 -52.8 354 3 350.6 350.6 296.8 350.7 0.03 33 187 12932 -55.9 -66.9 24 11.0 -56.1 320 3 350.9 350.9 296.8 351.0 0.03 34 150 14300 -67.3 -74.3 36 7.0 -67.4 190 3 354.2 354.2 297.5 354.2 0.01 35 145 14503 -68.9 -73.2 54 4.3 -68.9 184 4 354.8 354.8 297.7 354.9 0.01 36 134 14970 -72.3 -78.3 40 6.0 -72.3 171 7 356.9 356.9 298.1 356.9 0.01 37 100 16660 -78.9 -84.9 37 6.0 -78.9 120 17 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5778.00 m Freezing level: 554.00 mb = 5076.94 m = 16656.44 ft Wetbulb zero: 603.41 mb = 4386.69 m = 14391.84 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 75.66 % Est. max temperature: 30.48 C = 86.87 F Sfc-Lift cond lev (LCL): 953.77 mb = 524.87 m = 1722.00 ft T: 21.63 C 700-500 lapse rate: 5.54 C/km ThetaE index: 12.51 C Layer 745.0- 700.0 mb Conv cond level (CCL): 840.67 mb = 1616.99 m = 5305.02 ft Mean mixing ratio: 15.86 g/kg Conv temperature: 29.42 C = 84.96 F Cap Strength: 1.55 C Lifted Index: -1.69 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.29 C Lifted Index @700 mb: -0.30 C Showalter Index: -1.86 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 22.10 C K Index: 36.90 Risk: > 80 % chance of thunderstorms Sweat Index: 210.60 Risk: None Energy Index: -2.89 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 128.25 J/kg Max Up Vert Vel: 16.02 m/s Conv Inhibition (B-): 33.26 J/kg Cap Strength: 1.50 C Lift Cond Lev (LCL): 900.17 mb = 1026.53 m = 3367.82 ft Lev Free Conv (LFC): 785.17 mb = 2197.89 m = 7210.84 ft Equ Level (EL): 685.17 mb = 3343.67 m = 10969.92 ft B at Equ Level: 46.03 J/kg Max Parcel Lev (MPL): 205.17 mb = 12330.63 m = 40454.32 ft Wind level data Storm motion: 94 at 2 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 ---------------------------------------------------------- 0 959 477 340 1 0.3 -0.9 | 297 2 2.1 -1.1 1 925 791 10 3 -0.5 -3.0 | 338 3 1.2 -3.1 2 850 1523 80 3 -3.0 -0.5 | 63 1 -1.2 -0.6 3 700 3166 105 1 -1.0 0.3 | 259 1 0.8 0.1 4 500 5890 50 3 -2.3 -1.9 | 16 2 -0.6 -2.0 5 400 7620 105 9 -8.7 2.3 | 108 7 -7.0 2.2 6 300 9740 65 11 -10.0 -4.6 | 60 10 -8.2 -4.8 7 250 11020 115 7 -6.3 3.0 | 122 5 -4.6 2.8 8 200 12500 360 3 -0.0 -3.0 | 331 4 1.7 -3.1 9 150 14300 190 3 0.5 3.0 | 218 4 2.3 2.8 10 100 16660 120 17 -14.7 8.5 | 123 15 -13.0 8.4 Wind Parameters Mean winds (0-6000m): 63.7 at 2.3 knts Storm direction: 93.7 at 1.7 knts Shear (0-3000m) pos: 0.3 neg: 0.0 tot: 0.3 10-3/s Storm rel Dir Shear (0-3000m): -35.1 deg Storm rel helicity (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 1.4 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 218.80 Bulk Shear: 0.59 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 10 2 332 3| 2.5 0.0 2.5| 2.1 0.0 2.1 4.3 0.89| 3.3 2.9 1000 33 3 353 2| 1.7 0.0 1.7| 3.3 0.0 3.3 3.3 0.87| 2.9 2.5 1500 51 3 11 2| 1.0 0.0 1.0| 3.4 0.0 3.4 2.3 0.82| 2.2 1.8 2000 60 3 19 1| 0.6 0.0 0.6| 3.4 0.0 3.4 1.7 0.76| 1.8 1.4 2500 65 2 19 1| 0.4 0.0 0.4| 3.4 0.0 3.4 1.4 0.74| 1.6 1.2 3000 67 2 16 1| 0.3 0.0 0.3| 3.5 0.0 3.5 1.2 0.71| 1.4 1.0 4000 71 2 13 1| 0.3 0.1 0.4| 3.5 0.0 3.5 0.9 0.70| 1.2 0.8 5000 68 2 12 1| 0.2 0.2 0.4| 3.5 -0.0 3.5 0.7 0.62| 1.1 0.7 6000 64 2 17 1| 0.3 0.2 0.6| 4.9 -0.1 4.8 0.8 0.62| 1.1 0.7 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251013.00.gif