UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050200.upa.cvt Date: 0000Z 2 MAY 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 2 MAY 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 6 25.6 23.9 90 1.7 24.4 50 1 297.7 301.1 297.1 352.2 18.76 1 1000 110 24.4 22.7 90 1.7 23.2 330 3 297.5 300.7 296.3 348.7 17.63 2 925 793 21.4 17.5 78 3.9 18.7 95 5 301.2 303.7 294.7 341.6 13.73 3 902 1012 20.6 14.6 68 6.0 16.6 132 5 302.5 304.7 293.6 337.1 11.66 4 850 1523 17.2 15.6 90 1.6 16.1 220 5 304.2 306.6 295.2 343.6 13.23 5 827 1757 15.4 14.9 97 0.5 15.1 228 6 304.7 307.1 295.1 343.4 12.99 6 768 2385 13.4 10.7 84 2.7 11.7 249 10 309.0 311.0 294.6 341.2 10.58 7 754 2540 13.2 8.2 72 5.0 10.1 254 11 310.4 312.2 293.9 338.3 9.09 8 700 3164 10.2 6.7 79 3.5 8.0 275 15 313.8 315.5 294.6 341.2 8.83 9 675 3466 8.2 5.3 82 2.9 6.5 273 15 314.8 316.4 294.5 340.8 8.31 10 586 4622 2.8 -3.2 65 6.0 -0.3 264 14 321.5 322.5 293.9 338.3 5.16 11 558 5017 0.2 -4.8 69 5.0 -2.3 262 14 323.0 323.9 294.0 338.7 4.80 12 543 5236 -0.7 -10.7 47 10.0 -5.1 260 13 324.4 325.1 293.0 334.9 3.12 13 528 5459 -2.3 -5.7 77 3.4 -4.0 258 13 325.1 326.1 294.5 340.8 4.74 14 501 5874 -4.9 -7.0 85 2.1 -5.9 255 13 326.9 327.8 294.8 341.9 4.52 15 500 5890 -4.9 -7.1 85 2.2 -6.0 255 13 327.1 328.0 294.8 342.1 4.49 16 466 6440 -8.5 -9.7 91 1.2 -9.1 264 14 329.2 330.0 294.9 342.5 3.93 17 460 6541 -8.7 -12.9 72 4.2 -10.4 266 14 330.2 330.8 294.5 340.8 3.08 18 426 7131 -12.7 -14.1 89 1.4 -13.3 277 16 332.4 333.1 295.0 342.9 3.02 19 401 7591 -14.9 -23.9 46 9.0 -17.5 285 17 335.4 335.7 294.4 340.4 1.38 20 400 7610 -15.1 -23.1 50 8.0 -17.5 285 17 335.4 335.7 294.5 340.7 1.49 21 384 7918 -17.7 -21.1 75 3.4 -18.7 281 18 335.9 336.3 294.9 342.5 1.85 22 376 8076 -18.9 -26.9 49 8.0 -20.9 280 19 336.3 336.6 294.4 340.4 1.12 23 366 8277 -20.1 -22.7 80 2.6 -20.8 277 20 337.3 337.7 295.1 343.4 1.69 24 360 8400 -21.1 -25.6 67 4.5 -22.2 276 21 337.6 337.9 294.9 342.4 1.32 25 355 8504 -21.1 -38.1 20 17.0 -24.1 275 21 338.9 339.0 294.4 340.5 0.40 26 352 8567 -21.3 -36.3 25 15.0 -24.1 274 21 339.5 339.6 294.7 341.4 0.49 27 351 8588 -21.5 -27.5 58 6.0 -22.9 274 22 339.5 339.7 295.2 343.7 1.14 28 340 8822 -23.3 -29.3 58 6.0 -24.6 271 23 340.2 340.4 295.3 343.9 0.99 29 332 8997 -24.1 -37.1 29 13.0 -26.3 269 23 341.4 341.5 295.1 343.2 0.48 30 330 9041 -24.5 -33.5 43 9.0 -26.2 268 24 341.4 341.6 295.3 344.0 0.69 31 328 9086 -24.9 -32.9 47 8.0 -26.5 268 24 341.5 341.6 295.3 344.3 0.73 32 316 9357 -27.1 -38.1 34 11.0 -28.8 265 25 342.1 342.2 295.3 343.8 0.45 33 305 9612 -29.3 -33.3 68 4.0 -30.0 261 26 342.5 342.6 295.6 345.4 0.76 34 300 9730 -29.9 -33.6 70 3.7 -30.6 260 27 343.2 343.4 295.8 346.1 0.75 35 288 10019 -32.5 -35.3 76 2.8 -32.9 261 28 343.6 343.7 295.8 346.1 0.66 36 281 10192 -33.7 -38.2 64 4.5 -34.3 262 29 344.3 344.4 295.8 346.2 0.50 37 278 10267 -34.1 -49.1 21 15.0 -35.4 262 30 344.7 344.8 295.6 345.4 0.16 38 273 10393 -35.1 -52.1 16 17.0 -36.4 263 30 345.1 345.1 295.6 345.6 0.11 39 264 10626 -36.9 -41.9 60 5.0 -37.4 264 31 345.8 345.9 296.0 347.2 0.37 40 258 10784 -38.1 -47.1 38 9.0 -38.9 264 32 346.3 346.3 296.0 347.2 0.21 41 253 10919 -39.3 -43.3 66 4.0 -39.7 265 33 346.5 346.5 296.1 347.8 0.33 42 250 11000 -39.9 -44.9 59 5.0 -40.4 265 33 346.7 346.8 296.1 347.9 0.28 43 232 11504 -44.3 -50.3 51 6.0 -44.7 270 32 347.6 347.6 296.3 348.2 0.16 44 210 12162 -48.9 -64.9 14 16.0 -49.4 277 30 350.4 350.4 296.7 350.5 0.03 45 200 12480 -51.3 -66.3 15 15.0 -51.7 280 29 351.5 351.5 297.0 351.6 0.03 46 195 12644 -52.5 -65.5 19 13.0 -52.8 279 30 352.2 352.2 297.1 352.3 0.03 47 169 13549 -61.1 -66.1 51 5.0 -61.2 271 33 352.6 352.6 297.2 352.7 0.03 48 157 14003 -64.1 -74.1 24 10.0 -64.2 267 35 355.0 355.0 297.7 355.0 0.01 49 150 14280 -66.3 -74.3 32 8.0 -66.4 265 36 355.9 355.9 297.9 355.9 0.01 50 125 15360 -74.9 -81.9 33 7.0 -74.9 274 24 359.3 359.3 298.6 359.3 0.00 51 100 16640 -79.5 -85.5 36 6.0 -79.5 285 9 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 554.67 mb = 5065.79 m = 16619.85 ft Wetbulb zero: 590.34 mb = 4562.06 m = 14967.19 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 77.72 % Est. max temperature: 31.67 C = 89.01 F Sfc-Lift cond lev (LCL): 987.72 mb = 218.23 m = 715.95 ft T: 23.92 C 700-500 lapse rate: 5.54 C/km ThetaE index: 15.17 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 870.31 mb = 1319.57 m = 4329.25 ft Mean mixing ratio: 15.62 g/kg Conv temperature: 31.42 C = 88.55 F Cap Strength: 1.89 C Lifted Index: -0.17 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.19 C Lifted Index @700 mb: 0.98 C Showalter Index: 0.47 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 20.50 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 210.20 Risk: None Energy Index: -0.36 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.16 J/kg Max Up Vert Vel: 8.27 m/s Conv Inhibition (B-): 37.69 J/kg Cap Strength: 1.92 C Lift Cond Lev (LCL): 922.86 mb = 813.07 m = 2667.52 ft Lev Free Conv (LFC): 817.86 mb = 1851.41 m = 6074.10 ft Equ Level (EL): 807.86 mb = 1955.72 m = 6416.33 ft B at Equ Level: 8.66 J/kg Max Parcel Lev (MPL): 757.86 mb = 2496.99 m = 8192.13 ft Wind level data Storm motion: 294 at 8 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 6 50 1 -0.8 -0.6 | 108 8 -8.0 2.5 1 1000 110 330 3 1.5 -2.6 | 96 6 -5.8 0.6 2 925 793 95 5 -5.0 0.4 | 106 13 -12.2 3.6 3 850 1523 220 5 3.2 3.8 | 150 8 -4.0 7.0 4 700 3164 275 15 14.9 -1.3 | 256 8 7.7 1.9 5 500 5890 255 13 12.6 3.4 | 219 8 5.3 6.5 6 400 7610 285 17 16.4 -4.4 | 278 9 9.2 -1.2 7 300 9730 260 27 26.6 4.7 | 248 21 19.3 7.9 8 250 11000 265 33 32.9 2.9 | 257 26 25.6 6.0 9 200 12480 280 29 28.6 -5.0 | 275 21 21.3 -1.9 10 150 14280 265 36 35.9 3.1 | 258 29 28.6 6.3 11 100 16640 285 9 8.7 -2.3 | 240 2 1.4 0.8 Wind Parameters Mean winds (0-6000m): 263.6 at 10.6 knts Storm direction: 293.6 at 7.9 knts Shear (0-3000m) pos: 2.9 neg: 0.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 136.9 deg Storm rel helicity (0-3000m) pos: 63.1 neg: -4.4 tot: 58.7 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 3.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.83 Bulk Shear: 18.65 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 10 3 90 8| 0.0 3.3 3.3| 1.4 -4.4 -3.0 -6.1 -0.26| 7.6 -2.0 1000 76 4 101 11| 3.3 1.6 4.9| 22.0 -4.4 17.6 17.6 0.30| 7.6 2.3 1500 110 4 112 12| 3.1 1.1 4.2| 38.7 -4.4 34.3 22.9 0.45| 7.6 3.5 2000 191 5 141 10| 3.1 0.8 3.9| 46.1 -4.4 41.7 20.8 0.53| 6.7 3.5 2500 230 6 158 7| 3.0 0.7 3.7| 54.0 -4.4 49.6 19.9 0.59| 6.2 3.6 3000 252 7 173 5| 2.9 0.5 3.5| 63.1 -4.4 58.7 19.6 0.65| 6.0 3.9 4000 265 9 201 4| 2.3 0.4 2.6| 66.2 -7.8 58.4 14.6 0.59| 4.9 2.9 5000 265 10 213 5| 1.8 0.3 2.2| 66.2 -11.9 54.3 10.9 0.51| 4.1 2.1 6000 264 11 217 5| 1.5 0.3 1.9| 67.2 -15.2 52.0 8.7 0.46| 3.6 1.7 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250502.00.gif