UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 1 DEC 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 1015 8 21.0 19.5 91 1.5 20.0 35 9 292.9 295.4 292.6 333.2 14.19 1 1000 136 20.0 19.1 95 0.9 19.4 45 15 293.1 295.7 292.6 333.1 14.05 2 957 515 18.0 18.0 100 0.0 18.0 70 9 294.8 297.3 292.8 334.0 13.69 3 939 679 19.6 19.2 98 0.4 19.4 81 7 298.1 300.8 294.8 341.8 15.08 4 925 809 19.0 18.6 98 0.4 18.7 90 5 298.7 301.4 294.7 341.6 14.74 5 859 1443 15.4 15.4 100 0.0 15.4 116 1 301.4 303.7 294.1 339.4 12.92 6 850 1533 16.0 14.0 88 2.0 14.7 120 1 302.9 305.1 293.9 338.2 11.91 7 809 1952 13.8 11.4 85 2.4 12.3 143 3 304.9 306.8 293.4 336.4 10.53 8 807 1973 14.2 9.2 72 5.0 11.1 144 3 305.5 307.2 292.5 332.9 9.09 9 741 2686 7.2 7.2 100 0.0 7.2 184 5 305.4 307.1 292.1 331.4 8.63 10 737 2730 7.0 5.8 92 1.2 6.3 186 5 305.7 307.2 291.6 329.5 7.87 11 736 2742 9.2 -5.8 34 15.0 2.2 187 5 308.2 308.9 288.3 318.8 3.37 12 735 2753 10.2 -8.8 25 19.0 1.8 187 5 309.4 309.9 288.1 317.9 2.67 13 723 2891 12.6 -31.4 3 44.0 -0.3 195 6 313.5 313.6 287.1 314.9 0.38 14 700 3162 11.8 -31.2 3 43.0 -0.9 210 7 315.6 315.6 287.8 317.0 0.40 15 693 3246 11.4 -31.6 3 43.0 -1.2 212 8 316.0 316.1 287.9 317.4 0.39 16 500 5890 -4.9 -30.9 11 26.0 -11.6 290 31 327.1 327.2 291.5 329.2 0.58 17 478 6242 -7.3 -32.3 12 25.0 -13.4 296 27 328.3 328.4 291.8 330.3 0.53 18 473 6324 -6.3 -48.3 2 42.0 -13.6 297 27 330.6 330.6 292.0 331.0 0.10 19 425 7155 -9.3 -56.3 1 47.0 -16.1 312 18 337.0 337.0 293.6 337.2 0.04 20 400 7620 -13.1 -46.1 4 33.0 -18.6 320 13 338.0 338.0 294.0 338.6 0.15 21 300 9740 -31.1 -44.1 27 13.0 -32.6 310 15 341.5 341.6 294.9 342.6 0.25 22 263 10655 -39.1 -48.1 38 9.0 -39.8 306 21 342.9 343.0 295.2 343.7 0.19 23 250 11000 -41.5 -54.5 23 13.0 -42.2 305 23 344.4 344.4 295.4 344.8 0.09 24 230 11561 -44.9 -63.9 10 19.0 -45.6 305 27 347.5 347.5 296.1 347.6 0.03 25 200 12480 -52.5 -68.5 13 16.0 -52.8 305 35 349.6 349.6 296.5 349.7 0.02 26 158 13963 -63.1 -77.1 13 14.0 -63.2 289 32 356.0 356.0 297.9 356.1 0.01 27 150 14280 -66.1 -79.1 15 13.0 -66.2 285 31 356.2 356.2 298.0 356.2 0.01 28 135 14907 -72.1 -81.1 25 9.0 -72.1 285 30 356.5 356.5 298.0 356.5 0.00 29 100 16630 -80.9 -92.9 12 12.0 -80.9 285 27 371.4 371.4 300.8 371.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5754.00 m Freezing level: 558.02 mb = 5095.14 m = 16716.14 ft Wetbulb zero: 724.60 mb = 2872.17 m = 9423.02 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 45.83 % Est. max temperature: 29.26 C = 84.66 F Sfc-Lift cond lev (LCL): 993.19 mb = 194.99 m = 639.73 ft T: 19.69 C 700-500 lapse rate: 6.12 C/km ThetaE index: 26.95 C Layer 925.0- 700.0 mb Conv cond level (CCL): 977.16 mb = 335.51 m = 1100.74 ft Mean mixing ratio: 14.23 g/kg Conv temperature: 22.14 C = 71.85 F Cap Strength: 5.29 C Lifted Index: 3.40 C Risk: None Lifted Index @300 mb: 5.21 C Lifted Index @700 mb: 5.28 C Showalter Index: 2.64 C Risk: Showers probable Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 18.90 C K Index: -8.10 Risk: None Sweat Index: 201.00 Risk: None Energy Index: -1.65 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.06 J/kg Max Up Vert Vel: 8.95 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 5.30 C Lift Cond Lev (LCL): 957.28 mb = 512.94 m = 1682.86 ft Lev Free Conv (LFC): 952.28 mb = 558.11 m = 1831.05 ft Equ Level (EL): 942.28 mb = 649.16 m = 2129.78 ft B at Equ Level: 25.48 J/kg Max Parcel Lev (MPL): 882.28 mb = 1214.14 m = 3983.36 ft Wind level data Storm motion: 309 at 9 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 1015 8 35 9 -5.2 -7.4 | 82 12 -12.3 -1.6 1 1000 136 45 15 -10.6 -10.6 | 75 18 -17.7 -4.9 2 925 809 90 5 -5.0 0.0 | 115 13 -12.1 5.7 3 850 1533 120 1 -0.9 0.5 | 128 10 -8.0 6.2 4 700 3162 210 7 3.5 6.1 | 163 12 -3.6 11.8 5 500 5890 290 31 29.1 -10.6 | 282 23 22.0 -4.9 6 400 7620 320 13 8.4 -10.0 | 344 4 1.2 -4.2 7 300 9740 310 15 11.5 -9.6 | 312 6 4.4 -3.9 8 250 11000 305 23 18.8 -13.2 | 302 14 11.7 -7.5 9 200 12480 305 35 28.7 -20.1 | 304 26 21.5 -14.3 10 150 14280 285 31 29.9 -8.0 | 276 23 22.8 -2.3 11 100 16630 285 27 26.1 -7.0 | 274 19 19.0 -1.3 Wind Parameters Mean winds (0-6000m): 278.8 at 12.2 knts Storm direction: 308.8 at 9.1 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 75.5 deg Storm rel helicity (0-3000m) pos: 79.2 neg: -6.9 tot: 72.4 m^2/s^2 ave: 24.1 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.61 Bulk Shear: 65.70 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 51 12 83 17| 5.7 0.0 5.7| 32.3 -6.9 25.4 50.8 0.41| 13.1 5.4 1000 57 9 93 15| 4.1 0.0 4.1| 52.8 -6.9 45.9 45.9 0.55| 9.8 5.4 1500 62 7 100 13| 3.1 0.0 3.1| 57.8 -6.9 50.9 34.0 0.55| 7.6 4.2 2000 66 6 106 13| 2.7 0.0 2.7| 60.7 -6.9 53.9 26.9 0.55| 6.1 3.4 2500 77 5 110 13| 2.6 0.0 2.6| 68.3 -6.9 61.5 24.6 0.59| 5.4 3.2 3000 93 5 116 14| 2.6 0.0 2.6| 79.2 -6.9 72.4 24.1 0.63| 5.1 3.2 4000 179 6 149 14| 3.0 0.0 3.0|113.4 -6.9 106.6 26.6 0.71| 5.1 3.6 5000 245 9 186 10| 3.1 0.0 3.1|168.3 -6.9 161.4 32.3 0.78| 5.4 4.2 6000 279 12 232 6| 2.8 0.0 2.8|246.6 -6.9 239.7 39.9 0.81| 5.9 4.8 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251201.00.gif