UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010500.upa.cvt Date: 0000Z 5 JAN 26 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 5 JAN 26 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 1020 6 20.4 17.2 82 3.2 18.3 80 7 291.9 294.1 290.7 326.4 12.19 1 1000 176 19.2 16.7 85 2.5 17.5 75 17 292.4 294.5 290.7 326.5 12.04 2 946 651 14.8 14.3 97 0.5 14.5 75 14 292.6 294.5 289.8 323.5 10.89 3 925 841 14.0 12.2 89 1.8 12.9 75 13 293.6 295.4 289.2 321.4 9.69 4 854 1511 10.2 8.1 87 2.1 9.0 350 7 296.4 297.9 288.6 319.6 7.96 5 850 1550 10.6 6.8 77 3.8 8.5 345 7 297.3 298.6 288.3 318.6 7.31 6 746 2627 5.0 0.3 72 4.7 2.6 301 15 302.5 303.4 288.2 318.3 5.24 7 711 3017 1.6 -1.6 79 3.2 0.1 285 18 302.9 303.8 287.9 317.4 4.79 8 704 3097 2.8 -10.2 38 13.0 -2.4 282 19 305.1 305.6 286.4 312.9 2.50 9 700 3143 3.4 -13.6 28 17.0 -3.0 280 19 306.2 306.6 286.2 312.4 1.91 10 696 3189 3.6 -16.4 22 20.0 -3.5 280 19 307.0 307.3 286.0 311.9 1.52 11 691 3248 6.2 -30.8 5 37.0 -3.8 280 20 310.5 310.6 286.0 312.0 0.42 12 580 4658 -3.5 -36.5 6 33.0 -10.5 280 32 315.1 315.2 287.5 316.2 0.29 13 559 4950 -2.3 -47.3 2 45.0 -10.4 280 34 319.9 319.9 288.8 320.2 0.10 14 507 5721 -5.5 -51.5 1 46.0 -12.8 280 41 325.0 325.1 290.3 325.3 0.07 15 502 5799 -4.7 280 42 326.9 16 500 5830 -4.9 280 42 327.1 17 443 6768 -10.1 -52.1 2 42.0 -16.3 280 56 332.0 332.0 292.3 332.3 0.07 18 436 6890 -8.9 -51.9 2 43.0 -15.6 280 58 335.1 335.1 293.2 335.4 0.07 19 429 7015 -9.7 -52.8 2 43.2 -16.2 280 60 335.7 335.7 293.3 335.9 0.07 20 400 7550 -12.9 -56.9 1 44.0 -18.7 280 54 338.2 338.2 293.9 338.4 0.04 21 366 8223 -16.7 -59.7 1 43.0 -21.6 278 54 341.9 341.9 294.8 342.0 0.03 22 300 9680 -29.5 -64.5 2 35.0 -31.8 275 54 343.8 343.8 295.3 343.9 0.02 23 250 10950 -39.5 -70.5 2 31.0 -40.6 250 46 347.3 347.3 296.1 347.4 0.01 24 228 11574 -45.1 -65.1 9 20.0 -45.7 254 47 348.1 348.1 296.3 348.2 0.03 25 200 12440 -51.1 -73.1 6 22.0 -51.5 260 48 351.8 351.9 297.0 351.9 0.01 26 189 12807 -53.7 -78.7 3 25.0 -54.0 261 48 353.4 353.4 297.4 353.4 0.00 27 150 14250 -67.1 -80.1 14 13.0 -67.2 265 48 354.5 354.5 297.6 354.5 0.00 28 142 14578 -68.7 -84.7 8 16.0 -68.8 268 45 357.3 357.3 298.2 357.3 0.00 29 102 16490 -81.9 -86.9 42 5.0 -81.9 289 24 367.4 367.4 300.1 367.4 0.00 30 100 16600 -82.5 -87.5 42 5.0 -82.5 290 23 368.3 368.3 300.2 368.3 0.00 TRP WND 429 7015 -9.7 -52.8 2 43.2 -16.2 280 60 335.7 335.7 293.3 335.9 0.07 Sounding variables and indices 1000-500 mb thick: 5654.00 m Freezing level: 620.05 mb = 4149.18 m = 13612.64 ft Wetbulb zero: 710.78 mb = 3019.28 m = 9905.65 ft Precipitable water: 1.06 inches Sfc-500 mean rel hum: 45.44 % Est. max temperature: 24.31 C = 75.76 F Sfc-Lift cond lev (LCL): 973.10 mb = 409.18 m = 1342.42 ft T: 17.04 C 700-500 lapse rate: 3.09 C/km ThetaE index: 14.59 C Layer 946.0- 691.0 mb Conv cond level (CCL): 945.34 mb = 656.64 m = 2154.32 ft Mean mixing ratio: 11.24 g/kg Conv temperature: 21.11 C = 69.99 F Cap Strength: 9.05 C Lifted Index: 9.03 C Risk: None Lifted Index @300 mb: 14.31 C Lifted Index @700 mb: 1.12 C Showalter Index: 12.25 C Risk: None Total Totals Index: 27.20 C Risk: None Vertical Totals Index: 15.50 C Cross Totals Index: 11.70 C K Index: 5.30 Risk: None Sweat Index: 137.60 Risk: None Energy Index: 1.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.49 J/kg Max Up Vert Vel: 6.56 m/s Conv Inhibition (B-): 0.26 J/kg Cap Strength: 8.10 C Lift Cond Lev (LCL): 945.54 mb = 654.88 m = 2148.54 ft Lev Free Conv (LFC): 910.54 mb = 973.15 m = 3192.72 ft Equ Level (EL): 840.54 mb = 1642.33 m = 5388.17 ft B at Equ Level: 10.78 J/kg Max Parcel Lev (MPL): 680.54 mb = 3371.05 m = 11059.73 ft Wind level data Storm motion: 318 at 16 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 1020 6 80 7 -6.9 -1.2 | 122 21 -17.7 11.0 1 1000 176 75 17 -16.4 -4.4 | 106 28 -27.3 7.8 2 925 841 75 13 -12.6 -3.4 | 111 25 -23.4 8.8 3 850 1550 345 7 1.8 -6.8 | 121 11 -9.0 5.4 4 700 3143 280 19 18.7 -3.3 | 222 12 7.9 8.9 5 500 5830 280 42 41.4 -7.3 | 261 31 30.5 4.9 6 429 7015 280 60 59.1 -10.4 | 268 48 48.2 1.8 7 400 7550 280 54 53.2 -9.4 | 266 42 42.3 2.8 8 300 9680 275 54 53.8 -4.7 | 260 44 43.0 7.5 9 250 10950 250 46 43.2 15.7 | 229 43 32.4 27.9 10 200 12440 260 48 47.3 8.3 | 241 42 36.4 20.5 11 150 14250 265 48 47.8 4.2 | 246 40 37.0 16.4 12 100 16600 290 23 21.6 -7.9 | 248 12 10.8 4.3 Wind Parameters Mean winds (0-6000m): 288.3 at 21.7 knts Storm direction: 318.3 at 16.3 knts Shear (0-3000m) pos: 0.0 neg: 4.2 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 36.3 neg: -60.0 tot: -23.7 m^2/s^2 ave: -7.9 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.13 Bulk Shear: 161.53 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 75 15 109 26| 0.0 8.3 8.3| 7.0 -42.4 -35.5 -70.9 -0.48| 12.0 -5.8 1000 74 14 109 26| 0.0 3.2 3.2| 13.9 -56.0 -42.0 -42.0 -0.38| 9.4 -3.5 1500 67 13 108 23| 0.0 3.5 3.5| 24.1 -59.9 -35.7 -23.8 -0.15| 10.2 -1.6 2000 54 12 105 21| 0.0 3.8 3.8| 26.9 -60.0 -33.1 -16.6 -0.10| 8.9 -0.9 2500 33 12 98 17| 0.0 4.1 4.1| 31.9 -60.0 -28.1 -11.2 0.03| 8.3 0.3 3000 4 12 89 12| 0.0 4.2 4.2| 36.3 -60.0 -23.7 -7.9 0.09| 8.1 0.7 4000 313 15 180 2| 0.0 4.3 4.3| 56.1 -60.0 -3.9 -1.0 0.17| 7.3 1.2 5000 295 18 230 7| 0.0 4.3 4.3| 79.0 -60.0 19.0 3.8 0.21| 6.7 1.4 6000 288 22 241 11| 0.0 4.4 4.4|105.0 -60.0 45.0 7.5 0.23| 6.4 1.5 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20260105.00.gif