UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 22 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 94 SFC 958 469 22.6 22.0 96 0.6 22.2 135 1 299.4 302.6 296.8 350.9 17.64 2 925 775 21.8 19.9 89 1.9 20.5 230 5 301.6 304.5 296.4 348.8 16.01 3 850 1508 18.4 16.6 89 1.8 17.2 220 17 305.4 308.0 296.1 347.7 14.12 4 795 2081 16.4 12.7 79 3.7 14.0 241 18 309.2 311.4 295.4 344.7 11.69 5 785 2189 16.4 12.0 75 4.4 13.5 245 19 310.3 312.4 295.5 344.8 11.30 6 700 3156 9.6 8.2 91 1.4 8.7 280 21 313.1 315.0 295.1 343.5 9.80 7 698 3180 9.4 8.1 92 1.3 8.6 280 21 313.2 315.0 295.1 343.4 9.76 8 680 3396 7.8 4.2 78 3.6 5.7 279 21 313.7 315.2 293.7 337.5 7.63 9 671 3506 7.8 2.8 71 5.0 4.9 279 21 314.9 316.3 293.6 336.9 7.00 10 625 4088 4.4 4.4 100 0.0 4.4 277 21 317.5 319.1 295.3 344.1 8.43 11 505 5801 -3.3 -3.3 100 0.0 -3.3 270 21 328.1 329.3 296.1 347.8 5.95 12 500 5880 -3.9 -4.0 99 0.1 -4.0 270 21 328.3 329.4 296.0 347.2 5.70 13 418 7274 -12.7 -13.6 93 0.9 -13.0 290 29 334.2 334.9 295.6 345.4 3.20 14 417 7292 -12.9 -15.3 82 2.4 -13.8 290 29 334.2 334.8 295.3 344.0 2.79 15 412 7384 -12.9 -21.9 47 9.0 -15.7 292 30 335.4 335.7 294.6 341.2 1.61 16 405 7515 -13.1 -27.1 30 14.0 -16.9 294 30 336.8 337.0 294.4 340.5 1.02 17 400 7610 -13.3 -36.3 13 23.0 -18.1 295 31 337.7 337.8 294.1 339.4 0.43 18 392 7763 -13.5 -51.5 2 38.0 -19.0 296 30 339.4 339.4 294.3 339.7 0.08 19 305 9612 -28.9 -57.9 4 29.0 -31.2 309 16 343.0 343.0 295.1 343.2 0.05 20 302 9683 -29.3 -59.3 4 30.0 -31.6 310 15 343.4 343.4 295.2 343.6 0.04 21 300 9730 -29.7 -58.7 4 29.0 -31.9 310 15 343.5 343.5 295.2 343.7 0.05 22 295 9850 -30.3 -57.3 5 27.0 -32.4 306 15 344.3 344.3 295.4 344.6 0.06 23 294 9874 -30.1 -34.0 69 3.9 -30.8 306 15 344.9 345.1 296.1 347.8 0.73 24 276 10321 -34.1 -36.7 77 2.6 -34.5 292 13 345.5 345.6 296.1 347.8 0.60 25 270 10475 -34.7 -51.7 16 17.0 -36.1 287 13 346.8 346.8 296.0 347.3 0.12 26 268 10527 -34.9 -43.9 39 9.0 -35.9 285 13 347.2 347.3 296.3 348.4 0.29 27 262 10685 -35.7 -50.7 20 15.0 -37.0 280 12 348.3 348.3 296.4 348.9 0.14 28 250 11010 -38.9 -48.9 34 10.0 -39.7 270 11 348.2 348.3 296.4 349.0 0.18 29 248 11065 -39.3 -58.3 12 19.0 -40.4 270 11 348.4 348.4 296.3 348.7 0.06 30 243 11204 -40.1 -51.1 30 11.0 -40.9 270 12 349.3 349.3 296.6 349.9 0.14 31 242 11233 -40.5 -44.2 68 3.7 -40.8 270 12 349.1 349.2 296.7 350.4 0.31 32 221 11844 -46.1 -46.9 92 0.8 -46.2 270 15 349.6 349.7 296.8 350.7 0.25 33 209 12213 -49.5 -53.4 64 3.9 -49.7 270 17 350.0 350.0 296.7 350.5 0.13 34 200 12500 -51.7 -55.9 61 4.2 -51.8 270 19 350.9 350.9 296.9 351.3 0.10 35 198 12565 -52.1 -56.5 59 4.4 -52.2 273 18 351.3 351.3 297.0 351.7 0.09 36 190 12831 -54.5 -56.8 76 2.3 -54.6 285 16 351.6 351.6 297.1 352.0 0.09 37 184 13036 -56.3 -62.3 47 6.0 -56.4 295 14 351.9 351.9 297.1 352.1 0.05 38 182 13106 -57.1 -60.1 69 3.0 -57.2 298 13 351.7 351.7 297.1 352.0 0.06 39 178 13246 -57.7 -65.7 35 8.0 -57.9 304 12 353.0 353.0 297.3 353.1 0.03 40 170 13536 -59.1 -73.1 15 14.0 -59.3 318 9 355.3 355.3 297.8 355.4 0.01 41 152 14229 -64.9 -71.9 37 7.0 -65.0 351 2 356.9 356.9 298.1 357.0 0.02 42 150 14310 -65.5 -73.5 32 8.0 -65.5 355 1 357.2 357.3 298.2 357.3 0.01 43 146 14474 -66.5 -76.5 23 10.0 -66.6 352 1 358.3 358.3 298.4 358.3 0.01 44 138 14812 -69.5 -73.5 56 4.0 -69.5 347 1 358.8 358.8 298.5 358.9 0.01 45 127 15303 -73.1 -79.1 40 6.0 -73.1 339 2 361.0 361.0 298.9 361.0 0.01 46 101 16624 -79.5 -85.5 36 6.0 -79.5 316 3 373.1 373.1 301.1 373.1 0.00 47 100 16680 -79.5 -85.5 36 6.0 -79.5 315 3 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 556.43 mb = 5067.12 m = 16624.22 ft Wetbulb zero: 556.51 mb = 5020.84 m = 16472.36 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 90.32 % Est. max temperature: 31.36 C = 88.45 F Sfc-Lift cond lev (LCL): 950.01 mb = 542.20 m = 1778.84 ft T: 22.41 C 700-500 lapse rate: 4.96 C/km ThetaE index: 7.95 C Layer 700.0- 625.0 mb Conv cond level (CCL): 840.98 mb = 1599.46 m = 5247.51 ft Mean mixing ratio: 15.69 g/kg Conv temperature: 29.14 C = 84.45 F Cap Strength: 1.85 C Lifted Index: -0.52 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.72 C Lifted Index @700 mb: -0.67 C Showalter Index: -0.11 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.50 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 374.96 Risk: Showers and thunderstorms possible Energy Index: -0.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 200.25 J/kg Max Up Vert Vel: 20.01 m/s Conv Inhibition (B-): 64.05 J/kg Cap Strength: 1.79 C Lift Cond Lev (LCL): 885.60 mb = 1152.33 m = 3780.58 ft Lev Free Conv (LFC): 720.60 mb = 2911.35 m = 9551.57 ft Equ Level (EL): 400.60 mb = 7598.56 m = 24929.35 ft B at Equ Level: 171.40 J/kg Max Parcel Lev (MPL): 180.60 mb = 13154.55 m = 43157.43 ft Wind level data Storm motion: 296 at 14 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 ---------------------------------------------------------- 0 958 469 135 1 -0.7 0.7 | 117 15 -13.3 6.8 1 925 775 230 5 3.8 3.2 | 137 13 -8.7 9.3 2 850 1508 220 17 10.9 13.0 | 175 19 -1.6 19.1 3 700 3156 280 21 20.7 -3.6 | 254 8 8.1 2.4 4 500 5880 270 21 21.0 -0.0 | 234 10 8.4 6.0 5 400 7610 295 31 28.1 -13.1 | 294 17 15.5 -7.1 6 300 9730 310 15 11.5 -9.6 | 16 4 -1.1 -3.6 7 250 11010 270 11 11.0 -0.0 | 166 6 -1.6 6.0 8 200 12500 270 19 19.0 -0.0 | 227 9 6.4 6.0 9 150 14310 355 1 0.1 -1.0 | 112 13 -12.5 5.1 10 100 16680 315 3 2.1 -2.1 | 111 11 -10.4 3.9 Wind Parameters Mean winds (0-6000m): 265.7 at 18.6 knts Storm direction: 295.7 at 13.9 knts Shear (0-3000m) pos: 3.4 neg: 1.4 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 134.0 deg Storm rel helicity (0-3000m) pos: 118.0 neg: -0.8 tot: 117.2 m^2/s^2 ave: 39.1 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 5.4 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 6.26 Bulk Shear: 32.00 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 ------------------------------------------------------------------------------- 500 225 4 134 13| 8.5 0.0 8.5| 30.4 0.0 30.4 60.9 0.87| 9.7 8.4 1000 222 8 150 14| 4.3 4.3 8.5| 55.8 0.0 55.8 55.8 0.81| 9.1 7.4 1500 225 11 162 15| 3.9 2.8 6.8| 77.8 0.0 77.8 51.9 0.82| 8.0 6.6 2000 233 13 172 14| 3.9 2.1 6.0| 96.6 0.0 96.6 48.3 0.82| 7.6 6.2 2500 242 15 182 13| 3.9 1.7 5.6|112.5 0.0 112.5 45.0 0.83| 7.4 6.1 3000 251 16 191 11| 3.4 1.4 4.9|118.0 -0.8 117.2 39.1 0.82| 6.6 5.4 4000 260 17 204 10| 2.6 1.2 3.8|118.0 -3.6 114.4 28.6 0.76| 5.2 3.9 5000 264 18 213 10| 2.1 1.1 3.2|118.0 -6.5 111.5 22.3 0.71| 4.3 3.0 6000 266 19 219 10| 2.1 0.9 3.0|131.3 -7.7 123.6 20.6 0.72| 4.0 2.9 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250422.00.gif