UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 13 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 28.0 25.3 85 2.7 26.0 115 7 300.2 304.0 298.8 360.4 20.48 1 1000 104 27.0 25.0 89 2.0 25.5 105 9 300.1 303.9 298.7 359.9 20.33 2 983 256 25.6 24.8 95 0.8 25.0 117 8 300.2 304.0 298.8 360.3 20.44 3 925 791 22.6 20.1 86 2.5 20.8 160 3 302.4 305.4 296.7 350.4 16.22 4 886 1166 20.0 18.6 92 1.4 19.0 129 6 303.5 306.3 296.4 349.2 15.40 5 850 1525 18.6 15.6 83 3.0 16.5 100 9 305.6 308.1 295.6 345.2 13.23 6 700 3169 10.4 7.0 79 3.4 8.3 110 11 314.0 315.7 294.8 342.1 9.02 7 668 3559 8.6 4.5 75 4.1 6.2 115 12 316.2 317.7 294.6 341.2 7.93 8 509 5759 -5.1 -5.1 100 0.0 -5.1 143 20 325.2 326.2 294.8 342.1 5.15 9 500 5900 -5.5 -5.7 98 0.2 -5.6 145 21 326.3 327.3 295.0 342.9 5.01 10 452 6685 -9.3 -11.3 85 2.0 -10.2 131 16 331.1 331.8 295.1 343.3 3.57 11 432 7033 -10.5 -19.5 48 9.0 -13.6 125 14 333.9 334.3 294.4 340.6 1.89 12 424 7177 -11.7 -21.7 43 10.0 -14.9 123 14 334.2 334.5 294.3 339.9 1.59 13 400 7620 -14.5 -21.5 55 7.0 -16.7 115 11 336.1 336.5 294.8 342.3 1.72 14 378 8046 -17.5 -21.6 70 4.1 -18.8 109 11 337.7 338.0 295.3 344.1 1.80 15 320 9275 -25.1 -37.1 32 12.0 -27.2 92 11 343.6 343.7 295.6 345.5 0.49 16 310 9505 -27.1 -36.1 42 9.0 -28.6 88 11 343.9 344.1 295.8 346.1 0.56 17 305 9622 -27.9 -40.9 28 13.0 -29.7 87 11 344.4 344.5 295.7 345.8 0.35 18 300 9740 -28.9 -38.9 38 10.0 -30.4 85 11 344.6 344.7 295.8 346.4 0.44 19 291 9958 -30.9 -39.9 41 9.0 -32.1 92 11 344.8 344.9 295.8 346.4 0.41 20 254 10911 -38.3 -54.3 17 16.0 -39.4 122 11 347.5 347.6 296.2 347.9 0.09 21 250 11020 -39.1 -54.1 19 15.0 -40.1 125 11 347.9 348.0 296.3 348.3 0.10 22 232 11528 -43.5 -53.5 32 10.0 -44.0 127 11 348.8 348.8 296.5 349.2 0.11 23 230 11587 -43.9 -60.9 14 17.0 -44.6 127 11 349.0 349.0 296.4 349.2 0.05 24 221 11854 -46.3 -53.3 45 7.0 -46.7 128 11 349.3 349.4 296.6 349.8 0.12 25 208 12254 -49.7 -62.7 20 13.0 -50.1 129 11 350.1 350.1 296.7 350.3 0.04 26 206 12318 -50.5 -57.5 43 7.0 -50.8 129 11 349.8 349.8 296.7 350.2 0.08 27 200 12510 -52.1 -59.1 43 7.0 -52.3 130 11 350.3 350.3 296.7 350.5 0.07 28 184 13041 -56.9 -59.9 69 3.0 -57.0 121 13 350.9 350.9 296.9 351.2 0.06 29 150 14300 -66.9 -72.9 42 6.0 -67.0 100 19 354.8 354.8 297.7 354.9 0.01 30 143 14587 -68.9 -78.9 22 10.0 -68.9 102 20 356.2 356.2 298.0 356.3 0.01 31 135 14929 -71.3 -75.8 51 4.5 -71.3 105 22 357.9 357.9 298.3 357.9 0.01 32 130 15151 -73.1 -79.1 40 6.0 -73.1 107 23 358.6 358.6 298.4 358.6 0.01 33 117 15763 -75.9 -83.9 27 8.0 -75.9 112 25 364.3 364.3 299.5 364.4 0.00 34 103 16492 -79.5 -85.5 36 6.0 -79.5 119 28 371.0 371.0 300.7 371.0 0.00 35 100 16660 -78.9 -85.9 31 7.0 -78.9 120 29 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5796.00 m Freezing level: 568.19 mb = 4940.17 m = 16207.69 ft Wetbulb zero: 580.99 mb = 4688.43 m = 15381.81 ft Precipitable water: 2.46 inches Sfc-500 mean rel hum: 85.85 % Est. max temperature: 32.77 C = 90.98 F Sfc-Lift cond lev (LCL): 972.70 mb = 348.63 m = 1143.79 ft T: 25.08 C 700-500 lapse rate: 5.82 C/km ThetaE index: 19.12 C Layer 925.0- 509.0 mb Conv cond level (CCL): 917.99 mb = 857.25 m = 2812.46 ft Mean mixing ratio: 18.55 g/kg Conv temperature: 30.40 C = 86.72 F Cap Strength: 0.73 C Lifted Index: -4.58 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.67 C Lifted Index @700 mb: -1.75 C Showalter Index: -0.77 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.10 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 226.20 Risk: None Energy Index: -0.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1541.05 J/kg Max Up Vert Vel: 55.52 m/s Conv Inhibition (B-): 4.00 J/kg Cap Strength: 0.73 C Lift Cond Lev (LCL): 937.14 mb = 676.29 m = 2218.77 ft Lev Free Conv (LFC): 902.14 mb = 1008.97 m = 3310.24 ft Equ Level (EL): 142.14 mb = 14622.77 m = 47974.39 ft B at Equ Level: 1534.45 J/kg Wind level data Storm motion: 155 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 1011 8 115 7 -6.3 3.0 | 26 6 -2.5 -5.2 1 1000 104 105 9 -8.7 2.3 | 40 8 -4.9 -5.9 2 925 791 160 3 -1.0 2.8 | 333 6 2.8 -5.4 3 850 1525 100 9 -8.9 1.6 | 37 8 -5.0 -6.6 4 700 3169 110 11 -10.3 3.8 | 56 8 -6.5 -4.4 5 500 5900 145 21 -12.0 17.2 | 138 12 -8.2 9.0 6 400 7620 115 11 -10.0 4.6 | 60 7 -6.1 -3.6 7 300 9740 85 11 -11.0 -1.0 | 38 12 -7.1 -9.2 8 250 11020 125 11 -9.0 6.3 | 70 6 -5.2 -1.9 9 200 12510 130 11 -8.4 7.1 | 76 5 -4.6 -1.1 10 150 14300 100 19 -18.7 3.3 | 72 16 -14.9 -4.9 11 100 16660 120 29 -25.1 14.5 | 106 22 -21.3 6.3 Wind Parameters Mean winds (0-6000m): 125.0 at 12.1 knts Storm direction: 155.0 at 9.1 knts Shear (0-3000m) pos: 0.5 neg: 1.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 28.1 deg Storm rel helicity (0-3000m) pos: 15.3 neg: -7.2 tot: 8.1 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 0.7 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 477.32 Bulk Shear: 3.23 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 ------------------------------------------------------------------------------- 500 115 7 30 6| 2.9 0.0 2.9| 2.8 -4.6 -1.8 -3.6 -0.24| 8.0 -1.9 1000 121 6 12 5| 1.8 0.0 1.8| 4.6 -7.2 -2.6 -2.6 -0.21| 6.5 -1.3 1500 116 6 17 6| 1.2 2.1 3.3| 10.2 -7.2 3.0 2.0 0.08| 6.5 0.5 2000 111 7 24 6| 0.8 1.6 2.3| 11.9 -7.2 4.7 2.3 0.12| 5.1 0.6 2500 109 7 29 7| 0.6 1.3 1.9| 13.6 -7.2 6.4 2.6 0.15| 4.3 0.6 3000 109 8 34 7| 0.5 1.0 1.6| 15.3 -7.2 8.1 2.7 0.18| 3.7 0.7 4000 111 9 43 7| 0.8 0.8 1.6| 24.1 -7.2 16.9 4.2 0.31| 3.3 1.0 5000 117 10 58 7| 1.2 0.6 1.8| 35.7 -7.2 28.4 5.7 0.42| 3.2 1.3 6000 125 12 78 6| 1.3 0.5 1.8| 48.5 -9.4 39.1 6.5 0.46| 3.1 1.4 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251013.00.gif