UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 14 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 1011 6 28.2 25.2 84 3.0 26.0 115 3 300.4 304.1 298.8 360.3 20.35 1 1000 102 27.0 24.5 86 2.5 25.2 120 11 300.1 303.8 298.3 358.0 19.71 2 958 481 23.6 23.3 98 0.3 23.4 117 10 300.4 303.9 298.0 356.6 19.13 3 925 788 22.6 20.0 85 2.6 20.8 115 9 302.4 305.4 296.7 350.1 16.11 4 850 1522 18.4 16.5 89 1.9 17.1 120 11 305.4 308.0 296.1 347.4 14.03 5 740 2699 11.8 11.6 99 0.2 11.7 131 18 310.6 312.8 295.8 346.3 11.68 6 700 3164 9.8 8.9 94 0.9 9.2 135 21 313.3 315.3 295.6 345.2 10.29 7 542 5250 -0.5 -6.5 64 6.0 -3.4 146 19 324.8 325.7 294.1 339.2 4.34 8 500 5890 -4.7 -9.3 70 4.6 -6.8 150 19 327.3 328.1 294.3 340.0 3.78 9 495 5969 -5.3 -8.2 80 2.9 -6.7 149 19 327.5 328.3 294.7 341.5 4.17 10 452 6681 -9.1 -21.1 37 12.0 -13.0 136 16 331.4 331.7 293.6 336.9 1.57 11 423 7193 -12.3 -24.3 36 12.0 -15.8 128 15 333.6 333.9 293.9 338.2 1.27 12 413 7376 -13.3 -20.3 56 7.0 -15.6 124 14 334.6 335.0 294.6 341.2 1.84 13 400 7620 -14.7 -23.7 46 9.0 -17.3 120 13 335.9 336.2 294.6 341.0 1.41 14 393 7753 -15.3 -27.3 35 12.0 -18.5 118 13 336.8 337.0 294.5 340.6 1.04 15 340 8833 -22.3 -43.3 13 21.0 -25.4 106 15 341.5 341.6 294.9 342.5 0.24 16 325 9163 -24.7 -32.7 47 8.0 -26.3 102 16 342.6 342.8 295.6 345.5 0.75 17 321 9253 -25.3 -41.3 21 16.0 -27.6 101 16 343.0 343.1 295.3 344.3 0.32 18 314 9412 -26.3 -40.3 26 14.0 -28.4 99 16 343.8 343.9 295.6 345.2 0.36 19 300 9740 -29.3 -37.3 46 8.0 -30.6 95 17 344.1 344.2 295.8 346.1 0.52 20 295 9859 -30.1 -37.1 50 7.0 -31.2 91 17 344.6 344.7 295.9 346.7 0.54 21 262 10689 -36.9 -42.9 54 6.0 -37.5 62 17 346.5 346.6 296.1 347.9 0.33 22 251 10983 -39.1 -48.1 38 9.0 -39.8 51 17 347.5 347.6 296.3 348.3 0.20 23 250 11010 -39.3 -48.3 38 9.0 -40.0 50 17 347.6 347.7 296.3 348.4 0.19 24 238 11346 -42.1 -54.1 26 12.0 -42.8 43 17 348.3 348.4 296.4 348.8 0.10 25 200 12500 -52.1 -60.1 38 8.0 -52.4 20 15 350.3 350.3 296.7 350.5 0.06 26 159 13938 -65.1 -68.8 60 3.7 -65.1 348 13 352.0 352.0 297.1 352.1 0.02 27 153 14171 -66.9 -71.5 52 4.6 -67.0 343 13 352.8 352.8 297.3 352.9 0.02 28 150 14290 -67.7 -70.7 65 3.0 -67.7 340 13 353.5 353.5 297.4 353.5 0.02 29 148 14370 -68.7 -70.4 79 1.7 -68.7 344 13 353.1 353.1 297.3 353.2 0.02 30 140 14700 -71.1 -72.6 80 1.5 -71.1 0 14 354.5 354.5 297.6 354.6 0.01 31 134 14958 -72.3 -76.8 51 4.5 -72.3 13 15 356.9 356.9 298.1 356.9 0.01 32 114 15897 -76.7 -84.7 27 8.0 -76.7 61 17 365.6 365.6 299.8 365.6 0.00 33 100 16640 -81.7 -86.6 43 4.9 -81.7 100 19 369.9 369.9 300.5 369.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 549.67 mb = 5148.46 m = 16891.08 ft Wetbulb zero: 584.64 mb = 4632.22 m = 15197.38 ft Precipitable water: 2.45 inches Sfc-500 mean rel hum: 84.37 % Est. max temperature: 32.77 C = 90.99 F Sfc-Lift cond lev (LCL): 968.49 mb = 384.66 m = 1262.00 ft T: 24.46 C 700-500 lapse rate: 5.32 C/km ThetaE index: 21.06 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 911.23 mb = 918.19 m = 3012.40 ft Mean mixing ratio: 18.37 g/kg Conv temperature: 30.75 C = 87.35 F Cap Strength: 0.72 C Lifted Index: -3.52 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.66 C Lifted Index @700 mb: -2.17 C Showalter Index: -0.79 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.20 C K Index: 38.70 Risk: > 80 % chance of thunderstorms Sweat Index: 239.00 Risk: None Energy Index: -1.50 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1419.36 J/kg Max Up Vert Vel: 53.28 m/s Conv Inhibition (B-): 7.43 J/kg Cap Strength: 0.68 C Lift Cond Lev (LCL): 937.39 mb = 671.43 m = 2202.84 ft Lev Free Conv (LFC): 882.39 mb = 1197.39 m = 3928.38 ft Equ Level (EL): 132.39 mb = 15028.61 m = 49305.87 ft B at Equ Level: 1389.91 J/kg Wind level data Storm motion: 166 at 12 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 1011 6 115 3 -2.7 1.3 | 358 11 0.4 -10.7 1 1000 102 120 11 -9.5 5.5 | 45 9 -6.4 -6.4 2 925 788 115 9 -8.2 3.8 | 32 10 -5.1 -8.1 3 850 1522 120 11 -9.5 5.5 | 45 9 -6.4 -6.4 4 700 3164 135 21 -14.8 14.8 | 104 12 -11.8 2.9 5 500 5890 150 19 -9.5 16.5 | 125 8 -6.4 4.5 6 400 7620 120 13 -11.3 6.5 | 56 10 -8.2 -5.4 7 300 9740 95 17 -16.9 1.5 | 53 17 -13.9 -10.5 8 250 11010 50 17 -13.0 -10.9 | 24 25 -9.9 -22.9 9 200 12500 20 15 -5.1 -14.1 | 5 26 -2.1 -26.0 10 150 14290 340 13 4.4 -12.2 | 343 25 7.5 -24.1 11 100 16640 100 19 -18.7 3.3 | 61 18 -15.6 -8.6 Wind Parameters Mean winds (0-6000m): 135.5 at 16.4 knts Storm direction: 165.5 at 12.3 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 101.2 deg Storm rel helicity (0-3000m) pos: 48.4 neg: -5.1 tot: 43.3 m^2/s^2 ave: 14.4 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 3.0 10^-3/s Energy-Hel index: 0.28 Bulk Rich Number: 183.35 Bulk Shear: 7.74 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 ------------------------------------------------------------------------------- 500 119 10 37 9| 7.0 0.0 7.0| 18.8 -3.1 15.7 31.5 0.72| 9.8 7.0 1000 117 10 36 9| 3.5 0.1 3.6| 20.2 -5.1 15.1 15.1 0.60| 5.6 3.4 1500 118 10 37 9| 2.8 0.1 2.9| 23.8 -5.1 18.7 12.5 0.65| 4.3 2.8 2000 119 10 41 9| 2.9 0.1 3.0| 31.4 -5.1 26.3 13.2 0.72| 4.0 2.9 2500 121 11 48 9| 3.0 0.1 3.0| 39.6 -5.1 34.5 13.8 0.76| 3.9 3.0 3000 125 13 57 9| 3.0 0.0 3.0| 48.4 -5.1 43.3 14.4 0.78| 3.8 3.0 4000 129 15 72 9| 2.3 0.0 2.3| 54.8 -5.1 49.7 12.4 0.78| 3.2 2.5 5000 132 16 81 9| 1.8 0.0 1.8| 58.3 -5.1 53.2 10.6 0.77| 2.8 2.1 6000 136 16 89 8| 1.4 0.0 1.4| 60.7 -6.5 54.3 9.0 0.72| 2.5 1.8 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251014.00.gif