UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for VGTJ... Searching the city database file for: VGTJ ... Date:1200Z 6 OCT 25 Station: VGTJ WMO ident: 41923 Latitude: 23.77 Longitude: 90.38 Elevation: 9.00 ------------------------------------------------------------------------------- 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 1007 9 28.6 25.6 84 3.0 26.4 0 0 301.1 305.0 299.3 363.0 20.94 1 1000 68 27.8 24.0 80 3.8 25.0 50 2 301.0 304.5 298.1 357.3 19.11 2 925 758 23.8 19.9 79 3.9 21.0 360 4 303.6 306.6 296.9 351.2 16.01 3 887 1124 21.6 18.4 82 3.2 19.4 345 3 305.0 307.9 296.7 350.4 15.19 4 850 1494 20.4 15.5 73 4.9 17.1 330 1 307.5 310.0 296.0 347.2 13.14 5 811 1899 18.6 11.6 64 7.0 14.0 312 2 309.8 311.8 294.8 342.2 10.64 6 739 2690 12.8 9.7 81 3.1 10.8 276 4 311.8 313.7 295.1 343.4 10.28 7 700 3145 10.6 5.8 72 4.8 7.7 255 5 314.2 315.8 294.3 340.1 8.29 8 662 3610 9.6 2.6 62 7.0 5.5 248 6 318.2 319.5 294.4 340.4 6.99 9 661 3622 9.6 2.6 62 7.0 5.5 247 7 318.3 319.6 294.4 340.6 7.00 10 554 5064 0.0 -2.7 82 2.7 -1.4 224 11 323.4 324.5 294.8 341.9 5.67 11 500 5880 -4.3 -7.7 77 3.4 -5.9 210 14 327.8 328.7 294.8 342.2 4.29 12 400 7610 -14.3 -16.8 81 2.5 -15.2 210 14 336.4 336.9 295.6 345.5 2.57 13 372 8158 -17.5 -19.4 85 1.9 -18.1 209 12 339.2 339.7 296.0 347.2 2.21 14 329 9070 -23.1 -27.6 67 4.5 -24.2 207 10 343.6 343.9 296.2 348.2 1.20 15 300 9740 -28.1 -32.2 68 4.1 -28.9 205 8 345.8 346.0 296.4 349.1 0.86 16 250 11020 -38.5 -43.1 62 4.6 -38.9 155 7 348.8 348.9 296.7 350.2 0.34 17 200 12510 -51.5 -59.5 38 8.0 -51.8 125 5 351.2 351.2 297.0 351.5 0.06 18 193 12740 -53.7 -60.7 42 7.0 -53.9 124 6 351.3 351.3 297.0 351.5 0.06 19 188 12908 -54.9 -64.9 28 10.0 -55.1 123 8 352.0 352.0 297.1 352.1 0.03 20 150 14310 -66.5 -74.5 32 8.0 -66.5 115 17 355.5 355.5 297.8 355.6 0.01 21 148 14391 -67.3 -74.3 36 7.0 -67.4 115 17 355.5 355.5 297.8 355.6 0.01 22 134 14986 -68.9 -76.9 31 8.0 -68.9 113 17 362.9 362.9 299.2 363.0 0.01 23 118 15735 -74.7 -81.7 33 7.0 -74.7 110 18 365.7 365.7 299.8 365.7 0.00 24 100 16700 -72.7 -80.7 29 8.0 -72.8 100 21 387.3 387.3 303.4 387.3 0.01 25 70 18820 -68.1 -78.1 23 10.0 -68.2 100 21 438.7 438.7 309.7 438.8 0.01 26 50 20860 -63.7 -75.7 18 12.0 -64.0 100 21 493.4 493.4 314.5 493.5 0.03 27 30 24040 -56.9 -72.9 12 16.0 -58.0 100 21 589.5 589.5 320.2 590.0 0.07 28 26 24950 -55.1 -72.1 10 17.0 -56.7 619.3 619.3 321.5 619.9 0.09 TRP 118 15735 -74.7 -81.7 33 7.0 -74.7 110 18 365.7 365.7 299.8 365.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 554.00 mb = 5063.86 m = 16613.51 ft Wetbulb zero: 576.18 mb = 4743.42 m = 15562.21 ft Precipitable water: 2.35 inches Sfc-500 mean rel hum: 74.62 % Est. max temperature: 34.50 C = 94.10 F Sfc-Lift cond lev (LCL): 964.71 mb = 385.99 m = 1266.36 ft T: 25.96 C 700-500 lapse rate: 5.45 C/km ThetaE index: 20.76 C Layer 1000.0- 739.0 mb Conv cond level (CCL): 829.89 mb = 1700.48 m = 5578.95 ft Mean mixing ratio: 17.40 g/kg Conv temperature: 36.12 C = 97.02 F Cap Strength: 1.77 C Lifted Index: -2.77 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.87 C Lifted Index @700 mb: -1.08 C Showalter Index: -0.34 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 19.80 C K Index: 35.40 Risk: > 80 % chance of thunderstorms Sweat Index: 202.00 Risk: None Energy Index: -1.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 794.17 J/kg Max Up Vert Vel: 39.85 m/s Conv Inhibition (B-): 72.69 J/kg Cap Strength: 1.77 C Lift Cond Lev (LCL): 905.64 mb = 942.69 m = 3092.76 ft Lev Free Conv (LFC): 760.64 mb = 2444.60 m = 8020.24 ft Equ Level (EL): 160.64 mb = 13884.43 m = 45552.04 ft B at Equ Level: 786.90 J/kg Max Parcel Lev (MPL): 100.64 mb = 16662.89 m = 54667.61 ft Wind level data Storm motion: 261 at 5 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 1007 9 0 0 -0.0 -0.0 | 81 5 -4.6 -0.7 1 1000 68 50 2 -1.5 -1.3 | 72 6 -6.1 -2.0 2 925 758 360 4 -0.0 -4.0 | 44 7 -4.6 -4.7 3 850 1494 330 1 0.5 -0.9 | 69 4 -4.1 -1.6 4 700 3145 255 5 4.8 1.3 | 201 1 0.2 0.6 5 500 5880 210 14 7.0 12.1 | 192 12 2.4 11.4 6 400 7610 210 14 7.0 12.1 | 192 12 2.4 11.4 7 300 9740 205 8 3.4 7.3 | 169 7 -1.2 6.5 8 250 11020 155 7 -3.0 6.3 | 127 9 -7.6 5.6 9 200 12510 125 5 -4.1 2.9 | 104 9 -8.7 2.2 10 150 14310 115 17 -15.4 7.2 | 108 21 -20.0 6.5 11 118 15735 110 18 -16.9 6.2 | 104 22 -21.5 5.4 12 100 16700 100 21 -20.7 3.6 | 97 25 -25.3 2.9 13 70 18820 100 21 -20.7 3.6 | 97 25 -25.3 2.9 14 50 20860 100 21 -20.7 3.6 | 97 25 -25.3 2.9 15 30 24040 100 21 -20.7 3.6 | 97 25 -25.3 2.9 Wind Parameters Mean winds (0-6000m): 231.2 at 6.2 knts Storm direction: 261.2 at 4.7 knts Shear (0-3000m) pos: 0.6 neg: 1.2 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): -81.2 deg Storm rel helicity (0-3000m) pos: 2.6 neg: -8.6 tot: -5.9 m^2/s^2 ave: -2.0 10^-3 m/s^2 rel: -0.31 Storm rel vorticity (0-3000m) horiz: 2.3 stream: -0.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 82.33 Bulk Shear: 9.65 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 31 2 64 6| 3.4 0.0 3.4| 0.0 -4.6 -4.6 -9.2 -0.71| 4.0 -2.9 1000 11 3 55 6| 1.7 0.8 2.5| 0.5 -6.9 -6.3 -6.3 -0.59| 3.3 -1.9 1500 6 3 55 6| 1.1 0.9 2.1| 2.6 -6.9 -4.2 -2.8 -0.24| 2.9 -0.7 2000 357 2 55 5| 0.8 0.9 1.7| 2.6 -7.9 -5.3 -2.7 -0.31| 2.5 -0.8 2500 341 2 51 5| 0.7 1.0 1.7| 2.6 -8.5 -5.8 -2.3 -0.33| 2.4 -0.8 3000 316 3 45 4| 0.6 1.2 1.7| 2.6 -8.6 -5.9 -2.0 -0.31| 2.3 -0.7 4000 277 4 42 2| 0.4 1.3 1.8| 2.7 -8.7 -6.0 -1.5 -0.26| 2.3 -0.6 5000 251 5 175 1| 0.3 1.5 1.8| 2.7 -10.7 -8.0 -1.6 -0.27| 2.3 -0.6 6000 231 6 184 3| 0.3 1.5 1.8| 2.7 -16.0 -13.3 -2.2 -0.30| 2.2 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VGTJ/skewt/VGTJ.skewt.20251006.12.gif