UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100700.upa.cvt Date: 0000Z 7 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 7 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 8 27.8 25.8 89 2.0 26.3 115 7 300.0 303.9 299.1 362.1 21.11 1 1000 104 27.0 24.8 88 2.2 25.4 115 11 300.1 303.8 298.5 359.1 20.08 2 959 475 23.8 23.8 100 0.0 23.8 134 15 300.5 304.1 298.4 358.5 19.71 3 939 660 22.6 21.3 92 1.3 21.7 143 17 301.1 304.3 297.0 351.8 17.23 4 930 745 24.0 19.1 74 4.9 20.5 148 18 303.4 306.2 296.3 348.3 15.13 5 925 792 23.8 18.9 74 4.9 20.4 150 19 303.6 306.4 296.3 348.3 15.02 6 850 1527 18.6 17.1 91 1.5 17.6 180 17 305.6 308.3 296.5 349.3 14.59 7 794 2109 14.2 13.9 98 0.3 14.0 175 18 306.9 309.3 295.6 345.1 12.68 8 724 2887 11.2 7.6 78 3.6 9.0 168 20 311.9 313.6 294.3 339.9 9.09 9 719 2946 11.4 6.4 71 5.0 8.3 167 20 312.7 314.3 294.0 338.8 8.42 10 708 3075 11.2 4.2 62 7.0 7.1 166 21 313.9 315.3 293.5 336.8 7.32 11 700 3170 10.6 4.6 66 6.0 7.1 165 21 314.2 315.7 293.9 338.0 7.62 12 625 4106 4.2 -0.1 74 4.3 1.9 165 19 317.3 318.4 293.5 336.6 6.09 13 545 5215 -0.3 -4.8 72 4.5 -2.6 165 17 324.6 325.5 294.5 340.8 4.92 14 500 5900 -5.1 -6.8 88 1.7 -5.9 165 15 326.8 327.7 294.8 342.1 4.60 15 451 6703 -10.5 -10.7 98 0.2 -10.6 167 12 329.8 330.6 294.9 342.6 3.75 16 412 7396 -13.5 -16.1 81 2.6 -14.5 169 10 334.6 335.1 295.3 343.9 2.64 17 400 7620 -15.3 -16.5 91 1.2 -15.7 170 9 335.1 335.6 295.4 344.3 2.63 18 367 8264 -19.1 -22.5 74 3.4 -20.1 185 9 338.4 338.7 295.4 344.6 1.71 19 314 9404 -27.5 -27.9 96 0.4 -27.6 212 9 342.1 342.4 295.9 346.7 1.23 20 300 9730 -29.5 -32.6 74 3.1 -30.1 220 9 343.8 344.0 296.0 346.9 0.82 21 285 10095 -31.1 -45.1 24 14.0 -32.7 261 9 346.6 346.6 296.1 347.6 0.24 22 263 10659 -35.5 -42.5 49 7.0 -36.3 325 9 348.2 348.3 296.5 349.6 0.34 23 250 11010 -38.7 -43.2 62 4.5 -39.2 5 9 348.5 348.6 296.6 349.9 0.34 24 207 12276 -49.7 -51.2 84 1.5 -49.8 9 12 350.6 350.6 296.9 351.3 0.17 25 202 12435 -51.1 -54.9 64 3.8 -51.2 10 13 350.8 350.9 296.9 351.3 0.11 26 200 12500 -51.9 -55.1 68 3.2 -52.0 10 13 350.6 350.6 296.8 351.0 0.11 27 185 12999 -56.5 -59.1 72 2.6 -56.6 3 17 351.0 351.0 296.9 351.3 0.07 28 181 13137 -57.7 -63.7 46 6.0 -57.8 1 18 351.3 351.3 297.0 351.5 0.04 29 167 13638 -62.7 -65.8 66 3.1 -62.7 354 22 351.1 351.1 296.9 351.3 0.03 30 159 13938 -65.5 -69.8 55 4.3 -65.5 350 24 351.3 351.3 297.0 351.4 0.02 31 150 14290 -67.7 -72.2 53 4.5 -67.7 345 27 353.5 353.5 297.4 353.5 0.01 32 107 16257 -79.5 -82.0 66 2.5 -79.5 80 21 367.0 367.0 300.0 367.0 0.00 33 100 16640 -79.1 -83.0 53 3.9 -79.1 85 33 374.9 374.9 301.4 374.9 0.00 TRP 107 16257 -79.5 -82.0 66 2.5 -79.5 80 21 367.0 367.0 300.0 367.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 550.33 mb = 5140.63 m = 16865.38 ft Wetbulb zero: 591.27 mb = 4555.05 m = 14944.20 ft Precipitable water: 2.44 inches Sfc-500 mean rel hum: 80.54 % Est. max temperature: 33.14 C = 91.65 F Sfc-Lift cond lev (LCL): 982.63 mb = 259.15 m = 850.22 ft T: 25.66 C 700-500 lapse rate: 5.75 C/km ThetaE index: 13.81 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 890.87 mb = 1118.80 m = 3670.55 ft Mean mixing ratio: 18.37 g/kg Conv temperature: 32.34 C = 90.21 F Cap Strength: 1.87 C Lifted Index: -4.01 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.97 C Lifted Index @700 mb: -1.43 C Showalter Index: -1.90 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.20 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 254.20 Risk: None Energy Index: -1.48 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1558.89 J/kg Max Up Vert Vel: 55.84 m/s Conv Inhibition (B-): 22.93 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 934.10 mb = 705.87 m = 2315.82 ft Lev Free Conv (LFC): 859.10 mb = 1434.43 m = 4706.08 ft Equ Level (EL): 139.10 mb = 14729.28 m = 48323.82 ft B at Equ Level: 1545.38 J/kg Wind level data Storm motion: 194 at 13 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 8 115 7 -6.3 3.0 | 44 14 -9.6 -10.0 1 1000 104 115 11 -10.0 4.6 | 58 16 -13.2 -8.3 2 925 792 150 19 -9.5 16.5 | 106 13 -12.7 3.5 3 850 1527 180 17 0.0 17.0 | 142 5 -3.2 4.1 4 700 3170 165 21 -5.4 20.3 | 130 11 -8.7 7.4 5 500 5900 165 15 -3.9 14.5 | 102 7 -7.1 1.6 6 400 7620 170 9 -1.6 8.9 | 50 6 -4.8 -4.0 7 300 9730 220 9 5.8 6.9 | 337 7 2.5 -6.0 8 250 11010 5 9 -0.8 -9.0 | 10 22 -4.0 -21.9 9 200 12500 10 13 -2.3 -12.8 | 12 26 -5.5 -25.7 10 150 14290 345 27 7.0 -26.1 | 355 39 3.7 -39.0 11 107 16257 80 21 -20.7 -3.6 | 55 29 -23.9 -16.6 12 100 16640 85 33 -32.9 -2.9 | 66 39 -36.1 -15.8 Wind Parameters Mean winds (0-6000m): 164.1 at 17.8 knts Storm direction: 194.1 at 13.3 knts Shear (0-3000m) pos: 2.6 neg: 0.9 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 87.5 deg Storm rel helicity (0-3000m) pos: 72.2 neg: -3.0 tot: 69.2 m^2/s^2 ave: 23.1 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 3.3 10^-3/s Energy-Hel index: 0.70 Bulk Rich Number: 94.07 Bulk Shear: 16.57 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 ------------------------------------------------------------------------------- 500 125 12 67 15| 9.7 0.0 9.7| 39.9 0.0 39.9 79.9 0.95| 11.0 10.5 1000 141 15 85 13| 7.3 0.0 7.3| 64.5 0.0 64.5 64.5 0.90| 9.8 8.8 1500 151 16 96 11| 5.3 0.0 5.3| 72.1 0.0 72.1 48.1 0.81| 8.8 7.1 2000 158 16 104 10| 4.0 0.4 4.4| 72.2 -0.5 71.7 35.9 0.76| 7.0 5.3 2500 162 17 110 9| 3.2 0.7 3.9| 72.2 -1.5 70.8 28.3 0.69| 6.0 4.1 3000 163 17 114 9| 2.6 0.9 3.6| 72.2 -3.0 69.2 23.1 0.63| 5.3 3.3 4000 164 18 118 9| 2.0 0.6 2.6| 72.2 -6.8 65.4 16.4 0.54| 4.3 2.3 5000 164 18 119 9| 1.6 0.4 2.0| 72.2 -10.6 61.7 12.3 0.47| 3.7 1.7 6000 164 18 117 9| 1.2 0.4 1.6| 72.2 -14.5 57.7 9.6 0.39| 3.3 1.3 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251007.00.gif