UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 30 APR 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 103 SFC 958 478 22.4 21.8 96 0.6 22.0 0 0 299.2 302.4 296.6 350.0 17.42 2 925 783 20.6 19.8 95 0.8 20.1 10 5 300.4 303.3 296.0 347.0 15.91 3 850 1512 17.2 16.4 95 0.8 16.7 215 1 304.2 306.7 295.7 345.7 13.94 4 741 2674 11.6 8.3 80 3.3 9.6 233 12 310.2 312.0 294.0 338.8 9.32 5 700 3148 8.2 5.3 82 2.9 6.5 240 17 311.6 313.1 293.4 336.3 8.01 6 681 3375 7.0 2.2 71 4.8 4.3 238 17 312.7 313.9 292.6 333.3 6.60 7 639 3897 3.6 1.9 89 1.7 2.7 233 18 314.6 315.9 293.4 336.2 6.89 8 636 3935 3.6 -0.6 74 4.2 1.4 233 18 315.0 316.1 292.6 333.2 5.77 9 631 4000 2.6 2.0 96 0.6 2.2 232 18 314.6 315.9 293.4 336.6 7.03 10 630 4013 3.0 3.0 100 0.0 3.0 232 18 315.2 316.6 294.0 338.9 7.56 11 538 5280 -3.3 -3.4 99 0.1 -3.4 220 19 322.2 323.3 294.4 340.2 5.54 12 536 5310 -2.5 -4.2 88 1.7 -3.4 220 19 323.5 324.5 294.5 340.6 5.24 13 500 5860 -5.7 -7.4 88 1.7 -6.5 215 19 326.1 327.0 294.5 340.7 4.39 14 491 6002 -6.7 -7.0 98 0.3 -6.8 217 20 326.6 327.5 294.8 341.9 4.61 15 455 6595 -9.7 -14.0 71 4.3 -11.4 226 24 330.0 330.6 294.3 339.8 2.85 16 434 6958 -12.9 -14.7 86 1.8 -13.6 231 27 330.4 331.0 294.3 340.1 2.82 17 430 7029 -11.5 -18.5 56 7.0 -13.9 232 27 333.1 333.5 294.4 340.4 2.07 18 408 7430 -14.5 -22.5 51 8.0 -16.9 238 30 334.2 334.6 294.3 339.8 1.54 19 400 7580 -15.5 -19.4 72 3.9 -16.8 240 31 334.8 335.3 294.8 342.1 2.06 20 398 7618 -15.9 -19.2 76 3.3 -17.0 240 31 334.8 335.2 294.8 342.3 2.10 21 388 7809 -17.3 -24.3 54 7.0 -19.3 241 32 335.4 335.7 294.4 340.4 1.38 22 380 7965 -18.5 -21.4 78 2.9 -19.4 242 33 335.8 336.2 294.9 342.4 1.82 23 378 8004 -18.7 -20.7 84 2.0 -19.3 242 33 336.1 336.5 295.0 343.0 1.95 24 363 8305 -20.7 -23.8 76 3.1 -21.5 243 34 337.3 337.6 295.0 342.9 1.54 25 356 8449 -21.5 -29.5 48 8.0 -23.3 244 35 338.1 338.3 294.7 341.6 0.93 26 350 8574 -21.9 -27.9 58 6.0 -23.4 245 35 339.2 339.5 295.1 343.3 1.10 27 349 8595 -22.1 -26.4 68 4.3 -23.2 245 35 339.2 339.5 295.3 343.9 1.27 28 342 8744 -23.3 -30.3 53 7.0 -24.8 245 36 339.6 339.8 295.0 343.0 0.90 29 339 8809 -23.9 -27.3 73 3.4 -24.7 246 36 339.6 339.9 295.3 344.1 1.20 30 329 9027 -25.3 -31.3 57 6.0 -26.5 247 37 340.6 340.8 295.3 343.8 0.85 31 300 9690 -30.5 -32.6 82 2.1 -30.9 250 40 342.4 342.6 295.6 345.5 0.82 32 290 9930 -32.7 -32.8 99 0.1 -32.7 248 41 342.6 342.8 295.7 345.8 0.84 33 286 10028 -33.3 -34.5 89 1.2 -33.5 247 41 343.1 343.2 295.7 345.9 0.72 34 277 10252 -34.9 -39.9 60 5.0 -35.5 246 42 343.9 344.0 295.7 345.6 0.43 35 265 10560 -37.5 -40.2 76 2.7 -37.8 243 43 344.5 344.6 295.8 346.2 0.43 36 250 10960 -40.5 -47.5 47 7.0 -41.1 240 44 345.9 345.9 295.9 346.7 0.21 37 227 11609 -45.3 -58.3 22 13.0 -45.9 246 49 348.2 348.2 296.3 348.5 0.06 38 200 12440 -51.7 -62.7 26 11.0 -52.0 255 56 350.9 350.9 296.8 351.1 0.04 39 191 12738 -54.5 -64.5 28 10.0 -54.7 257 53 351.1 351.1 296.9 351.2 0.03 40 180 13116 -56.9 -71.9 13 15.0 -57.1 259 48 353.1 353.1 297.3 353.2 0.01 41 150 14250 -65.7 -73.7 32 8.0 -65.8 265 35 356.9 356.9 298.1 357.0 0.01 42 143 14538 -67.7 -77.7 23 10.0 -67.8 267 34 358.3 358.3 298.4 358.4 0.01 43 121 15521 -75.7 -78.7 63 3.0 -75.7 276 32 361.2 361.2 299.0 361.3 0.01 44 120 15569 -75.9 -79.1 60 3.2 -75.9 276 32 361.7 361.7 299.0 361.7 0.01 45 111 16017 -76.9 -83.9 32 7.0 -76.9 280 30 368.0 368.0 300.2 368.0 0.00 46 101 16554 -80.5 -86.5 36 6.0 -80.5 285 29 371.1 371.1 300.8 371.1 0.00 47 100 16610 -79.3 -86.3 31 7.0 -79.3 285 29 374.5 374.5 301.4 374.5 0.00 TRP 101 16554 -80.5 -86.5 36 6.0 -80.5 285 29 371.1 371.1 300.8 371.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 586.19 mb = 4616.23 m = 15144.93 ft Wetbulb zero: 586.67 mb = 4584.80 m = 15041.82 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 90.18 % Est. max temperature: 29.52 C = 85.14 F Sfc-Lift cond lev (LCL): 950.00 mb = 550.84 m = 1807.20 ft T: 21.97 C 700-500 lapse rate: 5.13 C/km ThetaE index: 16.76 C Layer 925.0- 639.0 mb Conv cond level (CCL): 882.52 mb = 1188.31 m = 3898.62 ft Mean mixing ratio: 15.55 g/kg Conv temperature: 25.64 C = 78.15 F Cap Strength: 0.38 C Lifted Index: -1.74 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.55 C Lifted Index @700 mb: -1.60 C Showalter Index: -1.15 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 22.10 C K Index: 36.40 Risk: > 80 % chance of thunderstorms Sweat Index: 217.80 Risk: None Energy Index: -1.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 443.69 J/kg Max Up Vert Vel: 29.79 m/s Conv Inhibition (B-): 5.07 J/kg Cap Strength: 0.38 C Lift Cond Lev (LCL): 897.39 mb = 1044.27 m = 3426.03 ft Lev Free Conv (LFC): 812.39 mb = 1895.15 m = 6217.60 ft Equ Level (EL): 252.39 mb = 10894.69 m = 35743.31 ft B at Equ Level: 441.49 J/kg Max Parcel Lev (MPL): 152.39 mb = 14151.73 m = 46429.01 ft Wind level data Storm motion: 259 at 10 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 ---------------------------------------------------------- 0 958 478 0 0 -0.0 -0.0 | 79 10 -9.9 -1.9 1 925 783 10 5 -0.9 -4.9 | 57 13 -10.7 -6.8 2 850 1512 215 1 0.6 0.8 | 83 9 -9.3 -1.1 3 700 3148 240 17 14.7 8.5 | 216 8 4.8 6.6 4 500 5860 215 19 10.9 15.6 | 184 14 1.0 13.6 5 400 7580 240 31 26.8 15.5 | 231 22 17.0 13.6 6 300 9690 250 40 37.6 13.7 | 247 30 27.7 11.8 7 250 10960 240 44 38.1 22.0 | 235 35 28.2 20.1 8 200 12440 255 56 54.1 14.5 | 254 46 44.2 12.6 9 150 14250 265 35 34.9 3.1 | 267 25 25.0 1.1 10 101 16554 285 29 28.0 -7.5 | 297 20 18.1 -9.4 11 100 16610 285 29 28.0 -7.5 | 297 20 18.1 -9.4 Wind Parameters Mean winds (0-6000m): 229.0 at 13.4 knts Storm direction: 259.0 at 10.1 knts Shear (0-3000m) pos: 1.7 neg: 1.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 132.5 deg Storm rel helicity (0-3000m) pos: 33.1 neg: -15.1 tot: 18.1 m^2/s^2 ave: 6.0 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 13.48 Bulk Shear: 32.91 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 1 3 62 11| 0.0 4.0 4.0| 0.4 -13.6 -13.2 -26.3 -0.54| 8.5 -4.6 1000 4 3 64 11| 0.0 0.6 0.6| 8.7 -13.6 -4.9 -4.9 -0.04| 7.1 -0.3 1500 328 3 62 9| 0.0 1.9 1.9| 16.0 -13.6 2.5 1.6 0.16| 6.2 1.0 2000 251 4 85 6| 1.3 1.4 2.7| 23.1 -13.6 9.5 4.7 0.33| 6.0 2.0 2500 245 6 97 4| 2.1 1.1 3.2| 30.4 -13.6 16.8 6.7 0.44| 5.8 2.6 3000 244 8 116 3| 1.7 1.3 3.0| 33.1 -15.1 18.1 6.0 0.42| 5.3 2.3 4000 238 10 160 4| 1.3 1.2 2.4| 33.1 -20.7 12.5 3.1 0.32| 4.4 1.4 5000 233 12 176 5| 1.0 1.1 2.1| 33.1 -27.5 5.6 1.1 0.24| 3.8 0.9 6000 229 13 182 7| 1.2 1.0 2.3| 51.7 -30.0 21.7 3.6 0.29| 3.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250430.00.gif