UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 16 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 1011 6 21.4 19.4 88 2.0 20.1 0 0 293.6 296.2 292.8 334.0 14.16 1 1000 100 21.4 18.1 81 3.3 19.2 195 1 294.5 296.9 292.3 332.2 13.18 2 980 276 22.4 7.4 38 15.0 13.7 189 4 297.3 298.5 287.6 316.6 6.60 3 974 329 22.0 16.0 69 6.0 18.0 187 4 297.4 299.5 292.2 331.6 11.82 4 946 583 22.2 1.2 25 21.0 11.0 177 8 300.1 300.9 286.5 313.3 4.41 5 934 694 21.2 14.2 64 7.0 16.6 173 10 300.2 302.2 292.3 332.3 10.96 6 925 778 21.4 11.4 53 10.0 15.1 170 11 301.2 302.9 291.2 328.3 9.19 7 910 919 22.0 -4.0 17 26.0 9.2 181 10 303.2 303.8 286.4 312.9 3.12 8 889 1121 20.6 -17.4 6 38.0 6.0 196 9 303.8 304.0 284.3 307.4 1.10 9 868 1326 19.8 -21.2 5 41.0 5.1 211 8 305.1 305.2 284.5 307.7 0.81 10 857 1436 19.2 3.2 35 16.0 10.2 220 7 305.5 306.6 289.6 322.7 5.62 11 853 1476 18.8 12.8 68 6.0 14.8 223 7 305.5 307.6 293.9 338.4 10.96 12 850 1506 18.8 10.8 60 8.0 13.7 225 7 305.8 307.6 293.0 334.8 9.61 13 814 1878 20.0 -19.0 6 39.0 4.9 237 9 310.9 311.1 286.9 314.4 1.04 14 763 2432 15.6 8.6 63 7.0 11.2 256 11 312.0 313.7 294.4 340.5 9.23 15 730 2805 12.8 6.8 67 6.0 9.1 268 13 312.9 314.5 294.1 339.3 8.52 16 714 2991 11.8 5.8 67 6.0 8.2 274 14 313.8 315.3 294.1 339.1 8.13 17 700 3157 11.2 5.2 67 6.0 7.6 280 15 314.9 316.4 294.3 339.8 7.95 18 643 3861 6.6 1.7 71 4.9 3.8 277 14 317.4 318.7 294.0 338.8 6.75 19 558 5015 1.0 -7.0 55 8.0 -2.9 273 14 323.9 324.7 293.7 337.4 4.06 20 500 5890 -4.5 -12.5 54 8.0 -7.8 270 13 327.6 328.1 293.7 337.5 2.93 21 493 6001 -5.3 -14.3 49 9.0 -8.9 269 14 327.9 328.4 293.5 336.7 2.56 22 481 6194 -6.9 -11.6 69 4.7 -8.9 267 14 328.2 328.9 294.1 339.3 3.27 23 471 6357 -7.9 -13.9 62 6.0 -10.3 266 15 329.0 329.5 293.9 338.5 2.77 24 444 6814 -10.3 -21.3 40 11.0 -13.8 262 17 331.6 331.9 293.6 337.1 1.57 25 423 7185 -12.7 -20.7 51 8.0 -15.3 259 19 333.1 333.5 294.1 339.3 1.74 26 401 7591 -15.1 -33.1 20 18.0 -19.1 255 21 335.1 335.2 293.7 337.3 0.59 27 400 7610 -15.3 -32.3 22 17.0 -19.1 255 21 335.1 335.2 293.7 337.5 0.64 28 396 7686 -15.7 -31.7 24 16.0 -19.3 256 21 335.5 335.7 293.9 338.1 0.68 29 355 8501 -21.7 -35.7 27 14.0 -24.3 261 27 338.1 338.2 294.3 340.1 0.51 30 350 8606 -22.7 -29.7 53 7.0 -24.2 262 27 338.2 338.3 294.7 341.6 0.93 31 347 8669 -22.9 -35.9 29 13.0 -25.2 262 28 338.7 338.8 294.5 340.7 0.51 32 340 8818 -23.7 -36.7 29 13.0 -25.9 263 29 339.6 339.7 294.7 341.5 0.48 33 310 9486 -29.3 -32.7 72 3.4 -29.9 268 33 340.9 341.0 295.3 343.9 0.79 34 300 9720 -30.9 -34.2 73 3.3 -31.4 270 35 341.8 342.0 295.4 344.5 0.70 35 291 9934 -32.5 -34.8 80 2.3 -32.9 272 37 342.5 342.7 295.6 345.2 0.68 36 288 10006 -33.1 -34.8 85 1.7 -33.4 272 37 342.7 342.8 295.6 345.4 0.69 37 284 10104 -33.7 -40.7 49 7.0 -34.6 273 38 343.2 343.3 295.4 344.7 0.38 38 270 10454 -36.3 -38.6 79 2.3 -36.6 276 41 344.4 344.5 295.8 346.4 0.50 39 250 10980 -40.5 -43.3 74 2.8 -40.8 280 46 345.9 345.9 296.0 347.2 0.33 40 207 12237 -50.7 -55.2 59 4.5 -50.9 267 51 349.0 349.1 296.5 349.5 0.10 41 200 12460 -52.7 -54.7 79 2.0 -52.8 265 52 349.3 349.3 296.6 349.8 0.11 42 199 12492 -52.9 -54.6 82 1.7 -52.9 265 52 349.5 349.5 296.6 350.0 0.12 43 193 12690 -54.7 -57.3 73 2.6 -54.8 264 52 349.7 349.7 296.7 350.1 0.09 44 184 12995 -56.9 -61.9 53 5.0 -57.0 264 52 350.9 350.9 296.9 351.1 0.05 45 157 13983 -65.1 -70.1 50 5.0 -65.1 261 52 353.3 353.3 297.4 353.4 0.02 46 150 14260 -67.5 -72.2 51 4.7 -67.5 260 52 353.8 353.8 297.5 353.9 0.01 47 123 15425 -77.3 -81.5 51 4.2 -77.3 266 42 356.6 356.6 298.0 356.6 0.00 48 109 16112 -79.9 -84.4 47 4.5 -79.9 270 36 364.3 364.3 299.5 364.3 0.00 49 100 16600 -79.3 -87.3 26 8.0 -79.3 300 38 374.5 374.5 301.4 374.5 0.00 TRP 109 16112 -79.9 -84.4 47 4.5 -79.9 270 36 364.3 364.3 299.5 364.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 547.45 mb = 5174.11 m = 16975.21 ft Wetbulb zero: 594.28 mb = 4502.35 m = 14771.29 ft Precipitable water: 1.37 inches Sfc-500 mean rel hum: 52.14 % Est. max temperature: 33.17 C = 91.71 F Sfc-Lift cond lev (LCL): 982.05 mb = 257.58 m = 845.06 ft T: 22.30 C 700-500 lapse rate: 5.74 C/km ThetaE index: 24.94 C Layer 925.0- 868.0 mb Conv cond level (CCL): 619.76 mb = 4160.77 m = 13650.65 ft Mean mixing ratio: 8.97 g/kg Conv temperature: 46.95 C = 116.52 F Cap Strength: 11.19 C Lifted Index: 9.37 C Risk: None Lifted Index @300 mb: 12.85 C Lifted Index @700 mb: 8.90 C Showalter Index: 4.53 C Risk: None Total Totals Index: 38.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 15.30 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 156.60 Risk: None Energy Index: 0.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.65 J/kg Max Up Vert Vel: 7.83 m/s Conv Inhibition (B-): 8079.96 J/kg Cap Strength: 11.12 C Lift Cond Lev (LCL): 825.09 mb = 1761.91 m = 5780.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 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 6 0 0 -0.0 -0.0 | 112 9 -8.0 3.3 1 1000 100 195 1 0.3 1.0 | 119 9 -7.7 4.2 2 925 778 170 11 -1.9 10.8 | 145 17 -9.9 14.1 3 850 1506 225 7 4.9 4.9 | 160 9 -3.0 8.2 4 700 3157 280 15 14.8 -2.6 | 264 7 6.8 0.7 5 500 5890 270 13 13.0 -0.0 | 237 6 5.0 3.3 6 400 7610 255 21 20.3 5.4 | 235 15 12.3 8.7 7 300 9720 270 35 35.0 -0.0 | 263 27 27.0 3.3 8 250 10980 280 46 45.3 -8.0 | 277 38 37.3 -4.7 9 200 12460 265 52 51.8 4.5 | 260 45 43.8 7.8 10 150 14260 260 52 51.2 9.0 | 254 45 43.2 12.3 11 109 16112 270 36 36.0 -0.0 | 263 28 28.0 3.3 12 100 16600 300 38 32.9 -19.0 | 302 29 24.9 -15.7 Wind Parameters Mean winds (0-6000m): 262.3 at 11.5 knts Storm direction: 292.3 at 8.6 knts Shear (0-3000m) pos: 2.8 neg: 1.2 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 139.5 deg Storm rel helicity (0-3000m) pos: 52.5 neg: -0.1 tot: 52.5 m^2/s^2 ave: 17.5 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.78 Bulk Shear: 17.23 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 ------------------------------------------------------------------------------- 500 182 3 130 10| 0.0 7.2 7.2| 13.5 0.0 13.5 27.0 0.72| 7.3 5.3 1000 174 6 138 13| 1.5 3.6 5.1| 24.9 0.0 24.9 24.9 0.56| 7.2 4.1 1500 183 7 144 13| 1.8 2.4 4.2| 30.5 -0.1 30.5 20.3 0.47| 6.9 3.3 2000 197 7 151 12| 2.2 1.8 4.0| 37.6 -0.1 37.6 18.8 0.54| 6.1 3.3 2500 213 8 160 11| 2.6 1.4 4.0| 44.8 -0.1 44.8 17.9 0.60| 5.7 3.4 3000 230 9 173 9| 2.8 1.2 4.0| 52.5 -0.1 52.5 17.5 0.66| 5.5 3.6 4000 251 10 195 7| 2.2 1.0 3.2| 55.0 -1.6 53.4 13.3 0.63| 4.4 2.8 5000 259 11 208 6| 1.8 0.9 2.6| 55.0 -3.5 51.5 10.3 0.57| 3.7 2.1 6000 262 12 215 6| 1.5 0.8 2.3| 55.1 -5.0 50.1 8.4 0.53| 3.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250416.00.gif