UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011300.upa.cvt Date: 0000Z 13 JAN 26 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 13 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 9 18.6 16.1 85 2.5 17.0 85 1 290.1 292.1 289.3 322.0 11.35 1 1000 178 17.6 15.8 89 1.8 16.4 40 9 290.8 292.8 289.6 322.8 11.36 2 954 580 14.8 13.5 92 1.3 14.0 40 9 291.9 293.7 289.0 320.9 10.24 3 925 841 13.0 9.8 81 3.2 11.1 40 9 292.6 294.1 287.5 316.2 8.24 4 915 932 12.2 10.0 86 2.2 10.9 39 8 292.7 294.2 287.7 316.8 8.45 5 906 1015 12.4 4.4 58 8.0 8.1 39 8 293.7 294.8 285.5 310.5 5.79 6 876 1297 11.2 1.2 50 10.0 6.1 37 6 295.3 296.2 285.1 309.3 4.76 7 850 1548 9.4 2.4 62 7.0 5.8 35 5 296.0 297.0 285.9 311.7 5.35 8 824 1805 8.2 3.8 74 4.4 5.8 17 8 297.4 298.5 287.2 315.3 6.11 9 810 1947 9.0 4.2 72 4.8 6.3 8 9 299.7 300.8 288.3 318.6 6.39 10 743 2659 6.8 -2.2 53 9.0 2.4 319 17 304.8 305.6 288.2 318.2 4.38 11 735 2748 7.4 -10.6 27 18.0 -0.0 313 18 306.4 306.8 286.6 313.7 2.32 12 701 3137 6.4 -3.6 49 10.0 1.5 286 23 309.4 310.2 289.5 322.5 4.18 13 700 3149 6.4 -3.6 49 10.0 1.5 285 23 309.6 310.4 289.6 322.7 4.19 14 639 3890 1.4 0.7 95 0.7 1.0 282 30 312.1 313.3 292.2 331.7 6.31 15 629 4017 1.2 -5.8 60 7.0 -2.0 282 31 313.2 314.0 290.5 325.8 3.94 16 602 4367 -2.3 -2.3 100 0.0 -2.3 281 34 313.2 314.2 291.7 330.1 5.37 17 593 4487 -3.5 -4.2 95 0.7 -3.8 280 35 313.1 314.0 291.2 328.1 4.73 18 590 4527 -2.1 -13.1 43 11.0 -6.4 280 36 315.2 315.7 289.6 322.9 2.36 19 589 4540 0.0 -29.0 9 29.0 -7.9 280 36 317.8 317.9 288.7 319.9 0.59 20 587 4568 2.2 280 36 320.7 21 582 4637 3.4 280 37 322.9 22 580 4665 3.4 279 37 323.2 23 500 5850 -4.9 -33.9 8 29.0 -11.9 275 48 327.1 327.2 291.3 328.7 0.43 24 499 5866 -5.1 -34.1 8 29.0 -12.0 275 48 327.0 327.1 291.3 328.6 0.43 25 480 6169 -6.3 -50.3 2 44.0 -13.6 278 47 329.2 329.2 291.6 329.5 0.08 26 400 7570 -13.7 -50.7 3 37.0 -19.1 290 44 337.2 337.2 293.7 337.6 0.09 27 394 7685 -14.1 -53.1 2 39.0 -19.4 290 44 338.1 338.1 293.9 338.4 0.07 28 300 9690 -31.5 -56.5 7 25.0 -33.4 295 50 341.0 341.0 294.6 341.2 0.06 29 285 10050 -34.7 -56.7 9 22.0 -36.1 284 48 341.4 341.5 294.7 341.7 0.06 30 250 10950 -41.3 -58.3 14 17.0 -42.1 255 44 344.7 344.7 295.5 344.9 0.06 31 239 11254 -44.1 -58.1 20 14.0 -44.7 255 44 344.9 344.9 295.6 345.2 0.06 32 231 11483 -45.1 -63.1 12 18.0 -45.7 255 43 346.8 346.8 296.0 346.9 0.03 33 200 12430 -52.9 -69.9 11 17.0 -53.2 255 42 349.0 349.0 296.4 349.1 0.02 34 160 13835 -64.3 -79.4 11 15.1 -64.4 225 60 352.8 352.8 297.3 352.8 0.00 35 158 13912 -64.9 -79.9 11 15.0 -65.0 224 58 353.0 353.0 297.3 353.0 0.00 36 150 14230 -64.5 -84.5 5 20.0 -64.6 220 50 359.0 359.0 298.5 359.0 0.00 37 108 16156 -79.5 -89.5 18 10.0 -79.5 240 18 366.0 366.0 299.8 366.0 0.00 38 100 16590 -79.9 -89.9 17 10.0 -79.9 245 11 373.4 373.4 301.1 373.4 0.00 TRP WND 160 13835 -64.3 -79.4 11 15.1 -64.4 225 60 352.8 352.8 297.3 352.8 0.00 Sounding variables and indices 1000-500 mb thick: 5672.00 m Freezing level: 619.74 mb = 4136.81 m = 13572.03 ft Freezing level: 589.00 mb = 4540.32 m = 14895.88 ft Freezing level: 547.23 mb = 5150.29 m = 16897.08 ft Wetbulb zero: 735.13 mb = 2746.61 m = 9011.08 ft Precipitable water: 1.11 inches Sfc-500 mean rel hum: 69.07 % Est. max temperature: 24.00 C = 75.21 F Sfc-Lift cond lev (LCL): 983.05 mb = 323.84 m = 1062.46 ft T: 16.58 C 700-500 lapse rate: 4.18 C/km ThetaE index: 7.51 C Layer 906.0- 850.0 mb Conv cond level (CCL): 927.83 mb = 815.13 m = 2674.28 ft Mean mixing ratio: 10.31 g/kg Conv temperature: 21.04 C = 69.87 F Cap Strength: 11.64 C Lifted Index: 11.11 C Risk: None Lifted Index @300 mb: 14.89 C Lifted Index @700 mb: 5.68 C Showalter Index: 16.35 C Risk: None Total Totals Index: 21.60 C Risk: None Vertical Totals Index: 14.30 C Cross Totals Index: 7.30 C K Index: 6.70 Risk: None Sweat Index: 86.80 Risk: None Energy Index: 3.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.47 J/kg Max Up Vert Vel: 4.12 m/s Conv Inhibition (B-): 9085.69 J/kg Cap Strength: 11.61 C Lift Cond Lev (LCL): 942.46 mb = 682.74 m = 2239.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 17 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 9 85 1 -1.0 -0.1 | 133 18 -13.1 12.3 1 1000 178 40 9 -5.8 -6.9 | 107 19 -17.9 5.5 2 925 841 40 9 -5.8 -6.9 | 107 19 -17.9 5.5 3 850 1548 35 5 -2.9 -4.1 | 119 17 -15.0 8.3 4 700 3149 285 23 22.2 -6.0 | 237 12 10.1 6.5 5 500 5850 275 48 47.8 -4.2 | 257 37 35.7 8.3 6 400 7570 290 44 41.3 -15.0 | 275 29 29.2 -2.6 7 300 9690 295 50 45.3 -21.1 | 285 34 33.2 -8.7 8 250 10950 255 44 42.5 11.4 | 232 39 30.4 23.8 9 200 12430 255 42 40.6 10.9 | 231 37 28.4 23.3 10 160 13835 225 60 42.4 42.4 | 209 63 30.3 54.9 11 150 14230 220 50 32.1 38.3 | 202 55 20.0 50.7 12 100 16590 245 11 10.0 4.6 | 173 17 -2.2 17.1 Wind Parameters Mean winds (0-6000m): 285.7 at 23.2 knts Storm direction: 315.7 at 17.4 knts Shear (0-3000m) pos: 0.0 neg: 3.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 111.2 deg Storm rel helicity (0-3000m) pos: 16.4 neg: -74.6 tot: -58.1 m^2/s^2 ave: -19.4 10^-3 m/s^2 rel: -0.47 Storm rel vorticity (0-3000m) horiz: 7.2 stream: -3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 98.64 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 41 8 111 18| 0.0 8.6 8.6| 0.0 -42.6 -42.6 -85.2 -0.97| 9.1 -8.8 1000 40 8 109 19| 0.0 3.8 3.8| 4.0 -42.6 -38.6 -38.6 -0.79| 5.1 -4.0 1500 40 8 111 18| 0.0 1.6 1.6| 16.4 -42.6 -26.2 -17.4 -0.40| 4.4 -1.8 2000 34 8 110 18| 0.0 2.6 2.6| 16.4 -62.3 -45.9 -22.9 -0.52| 4.9 -2.6 2500 16 9 106 15| 0.0 3.3 3.3| 16.4 -71.5 -55.1 -22.0 -0.48| 5.9 -2.8 3000 345 10 104 10| 0.0 3.8 3.8| 16.4 -74.6 -58.1 -19.4 -0.47| 7.2 -3.4 4000 307 14 168 4| 0.0 4.1 4.1| 29.9 -76.9 -47.0 -11.8 -0.32| 7.0 -2.3 5000 293 19 224 7| 0.0 4.2 4.2| 41.6 -76.9 -35.4 -7.1 -0.25| 6.6 -1.6 6000 286 23 239 12| 0.2 3.9 4.2| 54.1 -76.9 -22.8 -3.8 -0.20| 6.2 -1.2 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20260113.00.gif