UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 26 APR 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 1012 8 24.2 22.9 92 1.3 23.3 0 0 296.3 299.5 296.0 347.2 17.63 1 1000 112 23.6 22.0 91 1.6 22.5 70 17 296.8 299.8 295.6 345.5 16.87 2 971 370 22.8 21.6 93 1.2 21.9 112 15 298.5 301.5 296.1 347.8 16.96 3 956 506 23.4 20.8 85 2.6 21.6 133 14 300.4 303.4 296.3 348.5 16.39 4 925 794 21.2 21.1 99 0.1 21.2 180 11 301.0 304.2 297.0 351.8 17.28 5 912 917 20.6 20.6 100 0.0 20.6 180 11 301.6 304.7 297.0 351.6 16.98 6 850 1525 17.2 17.2 100 0.0 17.2 180 13 304.2 306.9 296.1 347.9 14.68 7 829 1739 16.2 16.1 99 0.1 16.1 190 13 305.3 307.9 296.0 347.2 14.02 8 817 1864 18.2 13.7 75 4.5 15.2 195 13 308.7 311.0 295.6 345.6 12.15 9 771 2359 15.0 15.0 100 0.0 15.0 218 14 310.4 313.1 297.3 353.3 14.05 10 746 2639 13.8 9.6 76 4.2 11.1 230 14 312.0 314.0 295.1 343.2 10.12 11 700 3174 10.0 6.9 81 3.1 8.1 255 15 313.6 315.3 294.7 341.4 8.96 12 619 4185 2.2 2.0 99 0.2 2.1 275 17 315.8 317.2 293.9 338.4 7.17 13 587 4613 0.0 -3.6 77 3.6 -1.8 284 18 318.1 319.1 292.9 334.2 5.00 14 574 4794 1.2 -28.8 9 30.0 -7.3 287 19 321.6 321.7 289.9 323.8 0.62 15 566 4907 1.6 -32.4 6 34.0 -7.5 290 19 323.3 323.4 290.3 324.9 0.44 16 505 5821 -2.9 -34.9 6 32.0 -10.7 308 21 328.6 328.6 291.7 330.0 0.39 17 500 5900 -3.5 -34.5 7 31.0 -11.1 310 21 328.8 328.9 291.8 330.3 0.41 18 439 6907 -12.7 -35.7 13 23.0 -17.4 287 22 329.6 329.7 292.0 331.2 0.41 19 400 7610 -16.3 -46.3 6 30.0 -20.7 270 23 333.8 333.8 292.9 334.4 0.15 20 367 8253 -19.9 -54.9 3 35.0 -23.8 270 19 337.3 337.3 293.7 337.6 0.06 21 343 8753 -22.3 -58.3 2 36.0 -25.8 270 17 340.7 340.7 294.5 340.8 0.04 22 300 9720 -30.9 -59.9 4 29.0 -32.9 270 11 341.8 341.8 294.8 342.0 0.04 23 296 9815 -31.5 -59.5 5 28.0 -33.4 270 11 342.3 342.3 294.9 342.5 0.04 24 291 9936 -32.3 -40.3 45 8.0 -33.3 271 11 342.8 342.9 295.4 344.4 0.39 25 287 10033 -33.1 -47.1 23 14.0 -34.5 271 11 343.0 343.1 295.3 343.8 0.19 26 267 10538 -36.9 -62.9 5 26.0 -38.2 273 12 344.7 344.7 295.4 344.8 0.03 27 251 10963 -40.5 -62.5 8 22.0 -41.5 275 13 345.5 345.5 295.7 345.6 0.03 28 250 10990 -40.7 -54.7 21 14.0 -41.5 275 13 345.6 345.6 295.7 345.9 0.09 29 248 11045 -41.3 -49.3 42 8.0 -41.9 275 13 345.5 345.5 295.8 346.2 0.17 30 246 11099 -41.7 -43.4 83 1.7 -41.9 275 13 345.7 345.7 296.0 347.0 0.33 31 243 11183 -42.1 -54.1 26 12.0 -42.8 275 13 346.3 346.3 295.9 346.7 0.10 32 237 11351 -43.5 -44.4 91 0.9 -43.6 275 13 346.6 346.7 296.1 347.9 0.31 33 229 11581 -45.7 -48.5 73 2.8 -45.9 275 13 346.7 346.8 296.1 347.6 0.20 34 222 11787 -46.9 -54.9 40 8.0 -47.3 275 13 348.0 348.0 296.3 348.4 0.10 35 217 11938 -48.1 -53.1 56 5.0 -48.3 275 13 348.4 348.4 296.4 348.9 0.13 36 200 12470 -52.3 -62.3 29 10.0 -52.6 275 13 349.9 350.0 296.7 350.1 0.04 37 199 12502 -52.5 -65.5 19 13.0 -52.8 275 13 350.1 350.1 296.7 350.3 0.03 38 186 12935 -56.1 -62.1 47 6.0 -56.2 272 14 351.1 351.1 296.9 351.3 0.05 39 150 14270 -66.3 -71.3 49 5.0 -66.4 265 15 355.9 355.9 297.9 355.9 0.02 40 147 14392 -67.3 -72.3 49 5.0 -67.4 266 15 356.2 356.2 298.0 356.3 0.01 41 132 15035 -70.7 -77.7 35 7.0 -70.8 274 12 361.3 361.3 299.0 361.3 0.01 42 120 15593 -75.5 -79.5 53 4.0 -75.5 282 11 362.5 362.5 299.2 362.5 0.01 43 108 16200 -77.1 -83.1 38 6.0 -77.1 289 9 370.5 370.5 300.7 370.5 0.00 44 100 16640 -78.3 -84.3 37 6.0 -78.3 295 7 376.4 376.4 301.6 376.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 544.31 mb = 5232.00 m = 17165.14 ft Wetbulb zero: 601.87 mb = 4411.43 m = 14473.01 ft Precipitable water: 2.14 inches Sfc-500 mean rel hum: 72.22 % Est. max temperature: 31.54 C = 88.77 F Sfc-Lift cond lev (LCL): 993.41 mb = 169.95 m = 557.56 ft T: 23.42 C 700-500 lapse rate: 4.95 C/km ThetaE index: 29.52 C Layer 746.0- 566.0 mb Conv cond level (CCL): 911.03 mb = 926.27 m = 3038.90 ft Mean mixing ratio: 16.92 g/kg Conv temperature: 29.51 C = 85.12 F Cap Strength: 2.24 C Lifted Index: -0.06 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.80 C Lifted Index @700 mb: -0.22 C Showalter Index: 0.23 C Risk: Thunderstorms probable Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 20.70 C K Index: 34.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 253.40 Risk: None Energy Index: -3.32 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 507.43 J/kg Max Up Vert Vel: 31.86 m/s Conv Inhibition (B-): 19.45 J/kg Cap Strength: 2.13 C Lift Cond Lev (LCL): 943.55 mb = 620.65 m = 2036.24 ft Lev Free Conv (LFC): 858.55 mb = 1438.61 m = 4719.78 ft Equ Level (EL): 828.55 mb = 1743.71 m = 5720.76 ft B at Equ Level: 24.10 J/kg Max Parcel Lev (MPL): 788.55 mb = 2167.02 m = 7109.56 ft Wind level data Storm motion: 290 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 1012 8 0 0 -0.0 -0.0 | 110 12 -11.0 4.1 1 1000 112 70 17 -16.0 -5.8 | 86 27 -27.0 -1.7 2 925 794 180 11 0.0 11.0 | 144 19 -11.0 15.1 3 850 1525 180 13 0.0 13.0 | 147 20 -11.0 17.1 4 700 3174 255 15 14.5 3.9 | 204 9 3.5 8.0 5 500 5900 310 21 16.1 -13.5 | 332 11 5.1 -9.4 6 400 7610 270 23 23.0 -0.0 | 251 13 12.0 4.1 7 300 9720 270 11 11.0 -0.0 | 180 4 -0.0 4.1 8 250 10990 275 13 13.0 -1.1 | 213 4 1.9 2.9 9 200 12470 275 13 13.0 -1.1 | 213 4 1.9 2.9 10 150 14270 265 15 14.9 1.3 | 216 7 3.9 5.4 11 100 16640 295 7 6.3 -3.0 | 103 5 -4.7 1.1 Wind Parameters Mean winds (0-6000m): 260.3 at 15.7 knts Storm direction: 290.3 at 11.8 knts Shear (0-3000m) pos: 2.5 neg: 0.2 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 84.9 deg Storm rel helicity (0-3000m) pos: 228.1 neg: -34.6 tot: 193.5 m^2/s^2 ave: 64.5 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 10.8 stream: 5.3 10^-3/s Energy-Hel index: 0.62 Bulk Rich Number: 4.47 Bulk Shear: 113.57 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 94 14 101 25| 13.9 0.0 13.9|121.8 -34.6 87.2 174.3 0.26| 35.6 9.4 1000 121 13 116 24| 6.0 0.0 6.0|170.4 -34.6 135.8 135.8 0.39| 23.3 9.0 1500 148 13 130 23| 4.0 0.5 4.4|174.4 -34.6 139.8 93.2 0.39| 16.0 6.3 2000 163 13 138 22| 3.2 0.4 3.5|196.8 -34.6 162.1 81.1 0.44| 13.3 5.8 2500 176 13 145 21| 2.7 0.3 3.0|215.0 -34.6 180.3 72.1 0.47| 11.8 5.6 3000 189 13 153 19| 2.5 0.2 2.7|228.1 -34.6 193.5 64.5 0.49| 10.8 5.3 4000 215 14 169 16| 2.2 0.2 2.4|240.8 -34.6 206.2 51.6 0.53| 9.0 4.8 5000 239 15 188 12| 2.0 0.1 2.2|252.5 -34.6 217.9 43.6 0.57| 7.9 4.5 6000 260 16 213 8| 1.9 0.1 2.0|265.4 -37.0 228.4 38.1 0.57| 7.2 4.1 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250426.00.gif