UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010600.upa.cvt Date: 0000Z 6 JAN 26 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 6 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 1024 9 15.8 11.0 73 4.8 13.0 40 5 287.0 288.4 285.1 309.5 8.07 1 1000 209 13.4 9.8 79 3.6 11.3 30 27 286.5 287.9 284.5 307.8 7.62 2 949 647 9.4 9.1 98 0.3 9.2 47 24 286.8 288.1 284.7 308.2 7.66 3 925 859 8.4 8.4 100 0.0 8.4 55 23 287.9 289.2 284.9 308.9 7.49 4 900 1086 7.6 7.6 100 0.0 7.6 24 17 289.3 290.6 285.3 310.0 7.29 5 893 1150 9.4 8.8 96 0.6 9.0 15 16 291.8 293.3 286.9 314.6 7.98 6 850 1560 8.8 6.6 86 2.2 7.6 320 5 295.4 296.7 287.5 316.3 7.21 7 840 1658 8.4 6.2 86 2.2 7.2 321 6 295.9 297.2 287.6 316.6 7.09 8 794 2122 5.2 4.7 97 0.5 4.9 325 9 297.3 298.6 287.8 317.1 6.76 9 774 2330 4.6 2.5 86 2.1 3.5 327 10 298.9 299.9 287.6 316.4 5.93 10 762 2458 6.0 -1.0 61 7.0 2.5 328 11 301.7 302.6 287.3 315.8 4.67 11 700 3147 -0.3 -3.0 82 2.7 -1.6 335 15 302.2 303.0 287.2 315.4 4.38 12 691 3250 -1.3 -3.8 83 2.5 -2.4 333 16 302.2 302.9 287.1 314.9 4.18 13 688 3285 0.0 -9.0 51 9.0 -3.6 332 16 304.0 304.5 286.3 312.7 2.81 14 683 3343 4.2 -35.8 4 40.0 -5.2 331 17 309.3 309.4 285.4 310.2 0.26 15 662 3598 6.2 326 18 314.3 16 639 3886 4.6 320 21 315.7 17 500 5850 -3.3 -47.3 2 44.0 -11.5 280 36 329.0 329.0 291.6 329.4 0.11 18 488 6042 -3.5 -48.5 2 45.0 -11.8 280 36 331.1 331.1 292.1 331.4 0.10 19 400 7580 -14.1 -55.1 2 41.0 -19.4 280 36 336.7 336.7 293.6 336.9 0.05 20 304 9605 -27.9 -63.9 2 36.0 -30.5 275 42 344.8 344.8 295.5 344.9 0.02 21 300 9700 -28.9 -63.9 2 35.0 -31.3 275 42 344.6 344.7 295.4 344.8 0.02 22 271 10415 -35.7 -61.7 5 26.0 -37.1 275 39 344.9 344.9 295.6 345.1 0.03 23 250 10970 -39.7 -66.7 4 27.0 -40.8 275 36 347.0 347.0 296.0 347.1 0.02 24 200 12450 -52.3 -71.3 8 19.0 -52.7 260 36 349.9 350.0 296.6 350.0 0.01 25 193 12679 -54.3 -72.3 9 18.0 -54.6 260 35 350.3 350.3 296.7 350.4 0.01 26 187 12881 -55.3 -78.3 4 23.0 -55.6 260 35 351.9 351.9 297.0 351.9 0.00 27 150 14250 -67.1 -82.1 10 15.0 -67.2 260 31 354.5 354.5 297.6 354.5 0.00 28 130 15101 -73.7 -83.7 20 10.0 -73.7 304 21 357.5 357.5 298.2 357.5 0.00 29 100 16610 -80.1 -89.1 21 9.0 -80.1 25 3 373.0 373.0 301.1 373.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5641.00 m Freezing level: 702.95 mb = 3114.21 m = 10217.09 ft Freezing level: 688.00 mb = 3284.71 m = 10776.48 ft Freezing level: 558.06 mb = 5029.44 m = 16500.59 ft Wetbulb zero: 723.62 mb = 2877.76 m = 9441.36 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 84.49 % Est. max temperature: 22.22 C = 72.00 F Sfc-Lift cond lev (LCL): 953.08 mb = 610.88 m = 2004.19 ft T: 9.73 C 700-500 lapse rate: 1.11 C/km ThetaE index: 6.90 C Layer 774.0- 662.0 mb Conv cond level (CCL): 938.12 mb = 742.23 m = 2435.12 ft Mean mixing ratio: 7.67 g/kg Conv temperature: 16.10 C = 60.99 F Cap Strength: 14.25 C Lifted Index: 20.06 C Risk: None Lifted Index @300 mb: 25.92 C Lifted Index @700 mb: 4.66 C Showalter Index: 15.20 C Risk: None Total Totals Index: 22.00 C Risk: None Vertical Totals Index: 12.10 C Cross Totals Index: 9.90 C K Index: 16.00 Risk: < 20 % chance of thunderstorms Sweat Index: 125.20 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.79 J/kg Max Up Vert Vel: 2.75 m/s Conv Inhibition (B-): 13540.36 J/kg Cap Strength: 19.85 C Lift Cond Lev (LCL): 944.01 mb = 690.40 m = 2265.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 15 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 1024 9 40 5 -3.2 -3.8 | 151 12 -5.9 10.9 1 1000 209 30 27 -13.5 -23.4 | 62 18 -16.2 -8.6 2 925 859 55 23 -18.8 -13.2 | 94 22 -21.6 1.6 3 850 1560 320 5 3.2 -3.8 | 183 11 0.5 10.9 4 700 3147 335 15 6.3 -13.6 | 252 4 3.6 1.1 5 500 5850 280 36 35.5 -6.3 | 255 34 32.7 8.5 6 400 7580 280 36 35.5 -6.3 | 255 34 32.7 8.5 7 300 9700 275 42 41.8 -3.7 | 254 41 39.1 11.1 8 250 10970 275 36 35.9 -3.1 | 251 35 33.1 11.6 9 200 12450 260 36 35.5 6.3 | 237 39 32.7 21.0 10 150 14250 260 31 30.5 5.4 | 234 34 27.8 20.1 11 100 16610 25 3 -1.3 -2.7 | 162 13 -4.0 12.0 Wind Parameters Mean winds (0-6000m): 319.5 at 20.0 knts Storm direction: 349.5 at 15.0 knts Shear (0-3000m) pos: 4.2 neg: 4.2 tot: 8.4 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 75.4 neg: -74.9 tot: 0.5 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 12.4 stream: 0.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 86.63 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 34 22 77 16| 20.7 0.0 20.7| 27.1 -66.0 -38.9 -77.9 -0.55| 29.3-16.0 1000 41 23 82 18| 10.4 3.4 13.7| 54.2 -74.2 -20.0 -20.0 -0.30| 21.4 -6.4 1500 40 19 90 15| 6.9 8.3 15.2| 64.2 -74.5 -10.3 -6.9 -0.07| 21.2 -1.4 2000 35 16 97 12| 5.2 6.3 11.5| 68.0 -74.9 -6.9 -3.5 -0.04| 16.9 -0.7 2500 27 15 99 10| 4.5 5.1 9.6| 72.0 -74.9 -2.9 -1.2 -0.01| 14.2 -0.1 3000 18 14 99 7| 4.2 4.2 8.4| 75.4 -74.9 0.5 0.2 0.03| 12.4 0.3 4000 2 15 83 3| 3.1 4.0 7.1| 79.7 -75.0 4.7 1.2 0.06| 10.5 0.6 5000 342 17 300 3| 2.5 4.4 6.9| 79.7 -90.0 -10.3 -2.1 0.02| 9.6 0.2 6000 320 20 273 10| 2.1 4.6 6.7| 79.7-133.8 -54.1 -9.0 -0.03| 9.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20260106.00.gif