UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 16 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 1013 9 28.0 24.3 80 3.7 25.3 90 11 300.0 303.6 298.0 356.4 19.21 1 1000 123 27.2 24.1 83 3.1 24.9 85 17 300.4 303.9 298.1 356.9 19.23 2 973 365 24.8 23.4 92 1.4 23.8 89 20 300.3 303.8 297.9 355.9 18.94 3 949 585 24.2 18.2 69 6.0 20.0 92 22 301.8 304.4 295.1 343.1 13.99 4 938 688 23.2 20.8 86 2.4 21.5 93 24 301.8 304.9 296.9 351.1 16.71 5 925 810 22.6 19.2 81 3.4 20.2 95 25 302.4 305.2 296.1 347.7 15.31 6 850 1543 18.4 14.8 80 3.6 16.0 90 21 305.4 307.8 295.0 343.0 12.55 7 717 2984 10.4 4.4 66 6.0 6.9 108 17 311.9 313.2 292.9 334.6 7.33 8 703 3149 11.4 -4.6 32 16.0 3.4 110 17 314.7 315.5 290.9 327.1 3.86 9 700 3185 11.2 -4.8 32 16.0 3.2 110 17 314.9 315.6 290.9 327.1 3.82 10 533 5397 -3.7 -10.7 58 7.0 -6.7 65 12 322.6 323.2 292.6 333.1 3.17 11 524 5531 -4.5 -10.5 63 6.0 -7.1 63 12 323.2 323.8 292.8 334.1 3.28 12 522 5561 -4.3 -17.3 36 13.0 -9.0 62 12 323.8 324.2 291.7 330.2 1.88 13 519 5607 -4.7 -9.7 68 5.0 -6.9 61 12 323.8 324.5 293.2 335.6 3.53 14 515 5667 -5.3 -11.3 63 6.0 -7.8 60 12 323.8 324.4 292.9 334.3 3.13 15 511 5729 -4.5 -16.5 39 12.0 -8.9 59 11 325.5 325.9 292.4 332.6 2.06 16 508 5775 -4.9 -11.9 58 7.0 -7.8 58 11 325.6 326.2 293.3 335.8 3.02 17 502 5869 -4.5 -32.5 9 28.0 -11.5 56 11 327.2 327.3 291.5 329.0 0.50 18 500 5900 -4.5 -32.5 9 28.0 -11.5 55 11 327.6 327.7 291.5 329.4 0.50 19 497 5947 -4.9 -34.9 7 30.0 -12.0 55 11 327.6 327.7 291.5 329.1 0.40 20 409 7452 -15.5 -24.5 46 9.0 -18.0 64 16 332.7 333.0 293.7 337.3 1.29 21 400 7620 -16.3 -33.3 22 17.0 -19.9 65 17 333.8 333.9 293.3 336.0 0.58 22 395 7715 -16.7 -47.7 5 31.0 -21.1 65 18 334.5 334.5 293.0 335.0 0.13 23 386 7887 -17.9 -43.9 8 26.0 -21.9 66 18 335.1 335.2 293.3 335.9 0.20 24 377 8064 -17.1 -47.1 5 30.0 -21.5 66 19 338.4 338.5 294.1 339.0 0.15 25 321 9252 -25.3 -55.3 4 30.0 -28.2 69 26 343.0 343.0 295.1 343.3 0.07 26 306 9598 -27.5 -48.5 12 21.0 -29.9 70 28 344.7 344.7 295.6 345.3 0.15 27 300 9740 -28.9 -47.9 14 19.0 -31.0 70 29 344.6 344.7 295.6 345.3 0.17 28 263 10663 -37.9 -47.9 34 10.0 -38.7 41 19 344.7 344.7 295.6 345.5 0.19 29 250 11010 -40.7 -48.7 42 8.0 -41.3 30 15 345.6 345.6 295.8 346.3 0.18 30 206 12299 -51.3 -62.3 26 11.0 -51.6 60 17 348.6 348.6 296.4 348.8 0.04 31 200 12490 -53.3 -62.3 33 9.0 -53.5 65 17 348.4 348.4 296.3 348.6 0.04 32 193 12718 -55.5 -61.5 47 6.0 -55.6 59 17 348.4 348.4 296.3 348.6 0.05 33 179 13194 -59.1 -68.1 30 9.0 -59.2 48 17 350.1 350.1 296.7 350.2 0.02 34 170 13515 -61.7 -65.1 64 3.4 -61.7 40 17 351.0 351.0 296.9 351.1 0.04 35 166 13662 -62.7 -71.7 29 9.0 -62.8 36 17 351.7 351.7 297.0 351.8 0.01 36 159 13927 -64.9 -69.9 50 5.0 -65.0 29 17 352.4 352.4 297.1 352.4 0.02 37 156 14042 -65.7 -72.7 37 7.0 -65.8 26 17 352.9 352.9 297.3 353.0 0.01 38 150 14280 -66.9 -73.9 37 7.0 -67.0 20 17 354.8 354.8 297.7 354.9 0.01 39 128 15223 -72.3 -83.3 18 11.0 -72.3 42 19 361.6 361.6 299.0 361.6 0.00 40 114 15894 -77.5 -81.1 56 3.6 -77.5 57 20 364.1 364.1 299.5 364.1 0.00 41 100 16640 -78.9 -84.9 37 6.0 -78.9 75 21 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 574.47 mb = 4847.65 m = 15904.16 ft Wetbulb zero: 645.32 mb = 3845.09 m = 12614.96 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 61.35 % Est. max temperature: 32.86 C = 91.15 F Sfc-Lift cond lev (LCL): 960.56 mb = 478.73 m = 1570.62 ft T: 24.49 C 700-500 lapse rate: 5.78 C/km ThetaE index: 24.04 C Layer 925.0- 700.0 mb Conv cond level (CCL): 881.64 mb = 1226.18 m = 4022.84 ft Mean mixing ratio: 17.14 g/kg Conv temperature: 32.11 C = 89.79 F Cap Strength: 1.39 C Lifted Index: -2.15 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.44 C Lifted Index @700 mb: 0.16 C Showalter Index: 1.11 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.30 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 230.60 Risk: None Energy Index: -2.56 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 949.51 J/kg Max Up Vert Vel: 43.58 m/s Conv Inhibition (B-): 27.74 J/kg Cap Strength: 1.39 C Lift Cond Lev (LCL): 920.01 mb = 856.85 m = 2811.15 ft Lev Free Conv (LFC): 825.01 mb = 1795.71 m = 5891.35 ft Equ Level (EL): 695.01 mb = 3243.00 m = 10639.64 ft B at Equ Level: 48.23 J/kg Wind level data Storm motion: 123 at 13 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 1013 9 90 11 -11.0 0.0 | 1 7 -0.2 -6.9 1 1000 123 85 17 -16.9 -1.5 | 36 10 -6.1 -8.4 2 925 810 95 25 -24.9 2.2 | 71 15 -14.1 -4.7 3 850 1543 90 21 -21.0 0.0 | 56 12 -10.2 -6.9 4 700 3185 110 17 -16.0 5.8 | 78 5 -5.1 -1.1 5 500 5900 55 11 -9.0 -6.3 | 352 13 1.8 -13.2 6 400 7620 65 17 -15.4 -7.2 | 18 15 -4.6 -14.1 7 300 9740 70 29 -27.3 -9.9 | 44 24 -16.4 -16.8 8 250 11010 30 15 -7.5 -13.0 | 351 20 3.3 -19.9 9 200 12490 65 17 -15.4 -7.2 | 18 15 -4.6 -14.1 10 150 14280 20 17 -5.8 -16.0 | 348 23 5.0 -22.9 11 100 16640 75 21 -20.3 -5.4 | 37 16 -9.5 -12.3 Wind Parameters Mean winds (0-6000m): 92.5 at 17.1 knts Storm direction: 122.5 at 12.8 knts Shear (0-3000m) pos: 1.8 neg: 0.5 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 73.5 deg Storm rel helicity (0-3000m) pos: 41.8 neg: -12.6 tot: 29.3 m^2/s^2 ave: 9.8 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.0 10^-3/s Energy-Hel index: 0.22 Bulk Rich Number: 2552.82 Bulk Shear: 0.37 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 88 18 44 10| 10.8 0.0 10.8| 23.6 0.0 23.6 47.2 0.86| 11.4 9.7 1000 91 21 58 12| 6.7 0.0 6.7| 35.2 -3.7 31.4 31.4 0.72| 8.3 6.0 1500 92 21 59 12| 4.4 1.0 5.5| 35.2 -12.5 22.6 15.1 0.48| 6.6 3.1 2000 92 21 59 12| 3.1 0.8 3.9| 37.7 -12.6 25.2 12.6 0.46| 5.6 2.6 2500 93 21 60 12| 2.3 0.6 2.9| 40.2 -12.6 27.6 11.0 0.46| 4.9 2.3 3000 95 20 61 11| 1.8 0.5 2.4| 41.8 -12.6 29.3 9.8 0.45| 4.5 2.0 4000 96 19 61 10| 1.4 0.9 2.3| 42.1 -19.7 22.4 5.6 0.24| 4.1 1.0 5000 95 18 54 9| 1.1 1.3 2.4| 42.1 -30.0 12.2 2.4 0.09| 3.8 0.4 6000 93 17 46 9| 0.9 1.4 2.3| 43.4 -40.8 2.6 0.4 0.01| 3.6 0.0 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251016.00.gif