UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 17 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 68 SFC 955 471 21.8 21.5 98 0.3 21.6 0 0 298.9 302.0 296.4 348.8 17.15 2 942 592 24.2 19.4 75 4.8 20.8 304 5 302.5 305.3 296.1 347.5 15.22 3 925 752 23.2 18.6 75 4.6 20.0 230 11 303.0 305.8 295.9 346.7 14.74 4 850 1489 20.8 12.8 60 8.0 15.5 250 25 307.9 310.0 294.6 341.2 10.99 5 830 1695 19.8 11.8 60 8.0 14.6 252 25 309.0 311.0 294.6 341.0 10.53 6 744 2626 12.2 9.0 81 3.2 10.2 264 28 310.5 312.4 294.4 340.4 9.74 7 712 2994 10.8 4.8 66 6.0 7.3 268 29 312.9 314.4 293.4 336.6 7.60 8 700 3136 9.8 4.8 71 5.0 6.8 270 29 313.3 314.8 293.7 337.4 7.73 9 645 3809 4.6 3.5 93 1.1 3.9 266 30 314.9 316.3 294.0 338.8 7.66 10 618 4157 3.0 1.1 87 1.9 2.0 264 30 316.9 318.2 293.9 338.2 6.72 11 613 4223 3.8 0.6 80 3.2 2.0 264 31 318.6 319.8 294.1 339.4 6.54 12 590 4533 2.6 -1.5 74 4.1 0.4 262 31 320.7 321.8 294.2 339.5 5.82 13 500 5850 -6.7 -6.7 100 0.0 -6.7 255 33 324.9 325.8 294.4 340.2 4.64 14 493 5960 -7.3 -7.3 100 0.0 -7.3 254 33 325.4 326.3 294.4 340.3 4.49 15 482 6137 -6.5 -8.9 83 2.4 -7.6 253 33 328.5 329.4 294.8 342.2 4.05 16 458 6534 -9.3 -10.9 88 1.6 -10.0 251 34 329.9 330.6 294.8 342.2 3.64 17 456 6568 -9.1 -11.3 84 2.2 -10.1 251 34 330.5 331.3 295.0 342.6 3.54 18 427 7074 -12.9 -12.9 100 0.0 -12.9 248 35 332.0 332.6 295.1 343.4 3.32 19 400 7570 -16.3 -17.8 88 1.5 -16.8 245 36 333.8 334.3 294.8 342.1 2.36 20 386 7837 -18.7 -18.8 99 0.1 -18.7 246 38 334.1 334.5 294.8 342.0 2.25 21 380 7954 -19.3 -20.6 89 1.3 -19.7 246 39 334.8 335.2 294.7 341.7 1.95 22 374 8073 -19.5 -27.5 49 8.0 -21.5 246 40 336.0 336.3 294.3 340.0 1.07 23 372 8113 -19.1 -33.1 28 14.0 -22.0 246 40 337.1 337.2 294.2 339.5 0.63 24 337 8842 -24.3 -39.3 24 15.0 -26.6 248 46 339.7 339.7 294.6 341.1 0.38 25 331 8973 -25.5 -29.1 72 3.6 -26.3 248 47 339.8 340.0 295.2 343.6 1.04 26 326 9083 -26.1 -29.3 74 3.2 -26.8 249 47 340.4 340.6 295.3 344.3 1.04 27 315 9331 -28.1 -35.1 51 7.0 -29.3 249 49 341.0 341.1 295.1 343.3 0.61 28 314 9354 -28.1 -43.1 22 15.0 -30.0 249 49 341.3 341.4 294.9 342.4 0.27 29 311 9423 -28.5 -43.5 22 15.0 -30.4 249 50 341.7 341.7 295.0 342.7 0.26 30 300 9680 -30.7 -45.7 22 15.0 -32.3 250 52 342.1 342.2 295.0 343.0 0.21 31 295 9799 -31.9 -40.9 41 9.0 -33.0 250 53 342.1 342.1 295.1 343.5 0.36 32 293 9847 -32.1 -46.1 24 14.0 -33.6 251 53 342.4 342.5 295.1 343.3 0.21 33 288 9968 -32.7 -40.7 45 8.0 -33.7 251 54 343.3 343.4 295.4 344.8 0.38 34 281 10141 -33.7 -51.7 15 18.0 -35.2 252 55 344.3 344.3 295.4 344.7 0.12 35 275 10292 -34.3 -48.3 23 14.0 -35.6 252 56 345.5 345.6 295.8 346.2 0.17 36 250 10950 -40.7 -46.7 52 6.0 -41.2 255 60 345.6 345.6 295.8 346.5 0.23 37 241 11198 -43.1 -45.5 77 2.4 -43.3 254 60 345.6 345.7 295.9 346.7 0.27 38 220 11807 -46.7 -59.7 21 13.0 -47.2 252 61 349.2 349.2 296.5 349.4 0.06 39 202 12366 -51.9 -58.9 43 7.0 -52.1 250 62 349.6 349.6 296.6 349.9 0.07 40 200 12430 -52.3 -60.3 38 8.0 -52.5 250 62 349.9 350.0 296.7 350.2 0.06 41 186 12893 -56.3 -63.3 41 7.0 -56.5 253 63 350.8 350.8 296.8 351.0 0.04 42 174 13311 -59.5 -72.5 17 13.0 -59.7 256 65 352.3 352.3 297.1 352.3 0.01 43 161 13789 -63.6 -69.4 45 5.8 -63.7 260 66 353.2 353.2 297.4 353.3 0.02 44 159 13866 -64.3 -68.9 53 4.6 -64.4 264 62 353.4 353.4 297.4 353.5 0.02 45 150 14220 -64.7 -80.7 9 16.0 -64.8 285 44 358.6 358.6 298.4 358.6 0.00 46 147 14343 -64.7 -82.7 7 18.0 -64.8 286 43 360.7 360.7 298.8 360.7 0.00 47 145 14427 -65.1 -82.1 8 17.0 -65.2 286 42 361.4 361.4 299.0 361.4 0.00 48 100 16620 -78.1 -88.1 18 10.0 -78.1 300 15 376.8 376.8 301.7 376.8 0.00 TRP WND 161 13789 -63.6 -69.4 45 5.8 -63.7 260 66 353.2 353.2 297.4 353.3 0.02 Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 564.84 mb = 4901.36 m = 16080.37 ft Wetbulb zero: 584.59 mb = 4606.55 m = 15113.17 ft Precipitable water: 1.83 inches Sfc-500 mean rel hum: 77.88 % Est. max temperature: 32.24 C = 90.03 F Sfc-Lift cond lev (LCL): 951.18 mb = 506.39 m = 1661.37 ft T: 22.50 C 700-500 lapse rate: 6.08 C/km ThetaE index: 12.27 C Layer 942.0- 700.0 mb Conv cond level (CCL): 770.37 mb = 2329.40 m = 7642.31 ft Mean mixing ratio: 13.71 g/kg Conv temperature: 32.86 C = 91.15 F Cap Strength: 4.16 C Lifted Index: -1.97 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.33 C Lifted Index @700 mb: 0.58 C Showalter Index: -0.39 C Risk: Thunderstorms probable Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 19.50 C K Index: 35.30 Risk: > 80 % chance of thunderstorms Sweat Index: 272.49 Risk: None Energy Index: -0.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 168.56 J/kg Max Up Vert Vel: 18.36 m/s Conv Inhibition (B-): 143.07 J/kg Cap Strength: 4.16 C Lift Cond Lev (LCL): 835.37 mb = 1638.98 m = 5377.17 ft Lev Free Conv (LFC): 680.37 mb = 3370.04 m = 11056.42 ft Equ Level (EL): 600.37 mb = 4391.84 m = 14408.75 ft B at Equ Level: 52.89 J/kg Max Parcel Lev (MPL): 210.37 mb = 12099.64 m = 39696.51 ft Wind level data Storm motion: 289 at 21 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 ---------------------------------------------------------- 0 955 471 0 0 -0.0 -0.0 | 109 21 -19.5 6.7 1 925 752 230 11 8.4 7.1 | 141 18 -11.1 13.8 2 850 1489 250 25 23.5 8.6 | 195 16 4.0 15.2 3 700 3136 270 29 29.0 -0.0 | 235 12 9.5 6.7 4 500 5850 255 33 31.9 8.5 | 219 20 12.3 15.2 5 400 7570 245 36 32.6 15.2 | 211 26 13.1 21.9 6 300 9680 250 52 48.9 17.8 | 230 38 29.3 24.5 7 250 10950 255 60 58.0 15.5 | 240 44 38.4 22.2 8 200 12430 250 62 58.3 21.2 | 234 48 38.7 27.9 9 161 13789 260 66 65.0 11.5 | 248 49 45.5 18.2 10 150 14220 285 44 42.5 -11.4 | 282 23 23.0 -4.7 11 100 16620 300 15 13.0 -7.5 | 83 7 -6.5 -0.8 Wind Parameters Mean winds (0-6000m): 258.9 at 27.5 knts Storm direction: 288.9 at 20.7 knts Shear (0-3000m) pos: 3.2 neg: 2.6 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 123.5 deg Storm rel helicity (0-3000m) pos: 138.6 neg: -10.4 tot: 128.3 m^2/s^2 ave: 42.8 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 5.6 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 3.16 Bulk Shear: 53.35 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 ------------------------------------------------------------------------------- 500 232 9 134 17| 0.0 15.6 15.6| 59.5 -9.0 50.5 101.1 0.61| 21.4 13.0 1000 242 14 153 15| 5.4 7.8 13.2|104.1 -9.0 95.2 95.2 0.74| 16.2 11.9 1500 247 18 168 14| 4.5 5.2 9.7|115.7 -9.0 106.7 71.1 0.75| 11.9 8.9 2000 251 20 178 13| 3.9 3.9 7.8|125.7 -9.0 116.7 58.3 0.76| 9.7 7.4 2500 255 22 187 12| 3.6 3.1 6.8|135.5 -9.0 126.6 50.6 0.78| 8.4 6.6 3000 258 23 195 12| 3.2 2.6 5.8|138.6 -10.4 128.3 42.8 0.75| 7.4 5.6 4000 260 25 204 12| 2.4 2.3 4.7|138.6 -15.9 122.8 30.7 0.67| 5.9 4.0 5000 260 26 210 13| 1.9 2.1 4.1|138.6 -23.0 115.6 23.1 0.59| 5.1 3.0 6000 259 28 212 14| 1.6 2.1 3.6|138.6 -32.2 106.5 17.7 0.52| 4.6 2.4 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250417.00.gif