UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060400.upa.cvt Date: 0000Z 4 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 4 JUN 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 6 27.2 25.2 89 2.0 25.7 35 1 299.8 303.5 298.7 359.7 20.43 1 1000 64 27.0 25.3 90 1.7 25.7 50 1 300.1 303.9 298.9 361.0 20.71 2 948 536 24.6 20.9 80 3.7 21.9 108 8 302.3 305.4 297.0 351.5 16.63 3 925 751 23.4 20.5 84 2.9 21.3 135 11 303.2 306.3 297.2 352.6 16.63 4 889 1098 20.4 20.4 100 0.0 20.4 158 8 303.6 306.8 297.7 354.8 17.22 5 850 1487 19.6 18.9 96 0.7 19.1 185 5 306.7 309.7 297.9 356.0 16.38 6 838 1610 19.2 18.1 93 1.1 18.4 188 5 307.5 310.5 297.7 355.2 15.79 7 700 3141 10.4 10.4 100 0.0 10.4 220 9 314.0 316.2 296.5 349.3 11.40 8 698 3165 10.4 10.4 100 0.0 10.4 220 9 314.3 316.4 296.5 349.7 11.43 9 677 3419 9.4 8.8 96 0.6 9.0 217 10 315.9 317.9 296.4 348.9 10.57 10 670 3505 10.0 7.2 83 2.8 8.2 215 10 317.5 319.4 296.1 347.6 9.56 11 518 5599 -2.5 -3.5 93 1.0 -3.0 189 14 326.7 327.8 295.6 345.5 5.71 12 511 5707 -2.3 -7.3 69 5.0 -4.7 187 15 328.2 329.1 295.0 342.7 4.33 13 500 5880 -3.5 -7.9 72 4.4 -5.6 185 15 328.8 329.6 295.0 343.0 4.22 14 494 5976 -4.5 -8.4 74 3.9 -6.3 183 15 328.7 329.5 294.9 342.5 4.11 15 491 6024 -4.3 -9.3 68 5.0 -6.6 182 15 329.5 330.3 294.9 342.5 3.85 16 489 6056 -4.3 -7.8 77 3.5 -6.0 181 15 329.9 330.8 295.4 344.6 4.35 17 485 6121 -3.9 -12.9 50 9.0 -7.7 180 15 331.2 331.7 294.6 341.2 2.92 18 408 7469 -12.9 -13.2 98 0.3 -13.0 149 13 336.3 337.0 296.2 348.1 3.39 19 400 7620 -13.5 -14.7 91 1.2 -14.0 145 13 337.4 338.1 296.3 348.2 3.06 20 385 7909 -15.3 -15.9 95 0.6 -15.5 138 12 338.8 339.4 296.4 349.0 2.88 21 380 8007 -15.3 -21.3 60 6.0 -17.3 136 12 340.1 340.4 295.9 346.7 1.84 22 371 8188 -16.1 -24.1 50 8.0 -18.5 132 11 341.3 341.6 295.9 346.7 1.47 23 306 9607 -25.9 -38.9 28 13.0 -28.0 98 6 346.9 347.0 296.3 348.6 0.43 24 300 9750 -25.5 -48.5 10 23.0 -28.3 95 5 349.4 349.5 296.7 350.1 0.16 25 298 9799 -25.7 -48.7 10 23.0 -28.5 97 5 349.8 349.9 296.7 350.5 0.15 26 250 11050 -36.5 -46.5 35 10.0 -37.5 150 9 351.8 351.9 297.3 352.8 0.23 27 234 11503 -40.7 -46.7 52 6.0 -41.2 140 12 352.2 352.2 297.3 353.2 0.24 28 213 12134 -45.7 -48.6 72 2.9 -45.9 125 16 354.0 354.0 297.7 354.9 0.22 29 200 12550 -48.7 -54.7 50 6.0 -49.0 115 19 355.7 355.7 297.9 356.1 0.11 30 182 13161 -54.1 -60.1 48 6.0 -54.3 115 23 356.6 356.6 298.1 356.9 0.06 31 174 13447 -56.9 -60.9 60 4.0 -57.0 115 25 356.6 356.6 298.1 356.8 0.06 32 164 13819 -59.7 -71.7 20 12.0 -59.9 115 27 358.0 358.0 298.3 358.0 0.01 33 150 14370 -64.3 -73.3 28 9.0 -64.4 115 31 359.3 359.3 298.6 359.4 0.01 34 140 14788 -68.7 -75.7 36 7.0 -68.8 119 40 358.8 358.8 298.5 358.8 0.01 35 118 15797 -75.6 -83.5 28 7.9 -75.6 130 64 364.0 364.0 299.5 364.0 0.00 36 116 15896 -76.3 -84.3 27 8.0 -76.3 126 62 364.5 364.5 299.5 364.5 0.00 37 112 16099 -75.1 -86.1 16 11.0 -75.2 117 56 370.4 370.4 300.7 370.4 0.00 38 100 16750 -79.7 -85.7 36 6.0 -79.7 90 40 373.7 373.7 301.2 373.8 0.00 TRP WND 118 15797 -75.6 -83.5 28 7.9 -75.6 130 64 364.0 364.0 299.5 364.0 0.00 Sounding variables and indices 1000-500 mb thick: 5816.00 m Freezing level: 548.40 mb = 5180.33 m = 16995.63 ft Wetbulb zero: 558.90 mb = 4980.70 m = 16340.70 ft Precipitable water: 2.71 inches Sfc-500 mean rel hum: 90.52 % Est. max temperature: 33.57 C = 92.43 F Sfc-Lift cond lev (LCL): 978.69 mb = 254.18 m = 833.93 ft T: 26.03 C 700-500 lapse rate: 5.07 C/km ThetaE index: 9.53 C Layer 948.0- 925.0 mb Conv cond level (CCL): 899.55 mb = 994.75 m = 3263.57 ft Mean mixing ratio: 17.96 g/kg Conv temperature: 30.95 C = 87.70 F Cap Strength: 1.34 C Lifted Index: -2.29 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.20 C Lifted Index @700 mb: -1.51 C Showalter Index: -2.58 C Risk: Severe thunderstorms possible Total Totals Index: 45.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 22.40 C K Index: 42.00 Risk: > 80 % chance of thunderstorms Sweat Index: 251.80 Risk: None Energy Index: -2.59 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 481.40 J/kg Max Up Vert Vel: 31.03 m/s Conv Inhibition (B-): 27.78 J/kg Cap Strength: 1.34 C Lift Cond Lev (LCL): 920.59 mb = 792.72 m = 2600.76 ft Lev Free Conv (LFC): 785.59 mb = 2159.47 m = 7084.80 ft Equ Level (EL): 295.59 mb = 9856.53 m = 32337.32 ft B at Equ Level: 459.94 J/kg Max Parcel Lev (MPL): 115.59 mb = 15916.22 m = 52217.92 ft Wind level data Storm motion: 221 at 7 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 6 35 1 -0.6 -0.8 | 40 8 -5.3 -6.2 1 1000 64 50 1 -0.8 -0.6 | 42 8 -5.4 -6.0 2 925 751 135 11 -7.8 7.8 | 101 13 -12.5 2.4 3 850 1487 185 5 0.4 5.0 | 85 4 -4.2 -0.4 4 700 3141 220 9 5.8 6.9 | 215 2 1.1 1.6 5 500 5880 185 15 1.3 14.9 | 161 10 -3.4 9.6 6 400 7620 145 13 -7.5 10.6 | 114 13 -12.1 5.3 7 300 9750 95 5 -5.0 0.4 | 63 11 -9.7 -4.9 8 250 11050 150 9 -4.5 7.8 | 105 10 -9.2 2.5 9 200 12550 115 19 -17.2 8.0 | 97 22 -21.9 2.7 10 150 14370 115 31 -28.1 13.1 | 103 34 -32.8 7.8 11 118 15797 130 64 -49.0 41.1 | 124 65 -53.7 35.8 12 100 16750 90 40 -40.0 0.0 | 83 45 -44.7 -5.3 Wind Parameters Mean winds (0-6000m): 191.2 at 9.5 knts Storm direction: 221.2 at 7.1 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 159.1 deg Storm rel helicity (0-3000m) pos: 43.4 neg: -2.7 tot: 40.8 m^2/s^2 ave: 13.6 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.7 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 33.32 Bulk Shear: 14.45 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 97 4 60 10| 7.4 0.0 7.4| 18.0 0.0 18.0 35.9 0.80| 8.1 6.4 1000 134 7 86 9| 4.8 0.0 4.8| 40.7 0.0 40.7 40.7 0.77| 8.8 6.8 1500 142 7 90 9| 2.0 0.0 2.0| 40.8 -2.7 38.1 25.4 0.50| 7.8 3.9 2000 152 6 93 8| 1.9 0.0 1.9| 41.8 -2.7 39.1 19.6 0.51| 6.3 3.2 2500 164 7 98 7| 1.7 0.0 1.7| 42.6 -2.7 40.0 16.0 0.53| 5.4 2.8 3000 176 7 106 5| 1.7 0.0 1.7| 43.4 -2.7 40.8 13.6 0.56| 4.8 2.7 4000 190 8 122 4| 1.2 0.3 1.6| 43.6 -3.7 39.9 10.0 0.47| 4.0 1.9 5000 193 8 137 4| 1.0 0.6 1.6| 43.6 -6.1 37.5 7.5 0.38| 3.6 1.4 6000 191 9 144 5| 0.8 0.8 1.6| 43.6 -12.1 31.5 5.3 0.28| 3.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250604.00.gif