UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 26 APR 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1009 7 27.6 24.7 84 2.9 25.4 0 0 300.0 303.6 298.3 358.0 19.77 1 1000 89 26.6 24.4 88 2.2 25.0 135 1 299.8 303.3 298.1 357.2 19.59 2 926 767 21.6 21.1 97 0.5 21.2 135 13 301.3 304.5 297.1 352.1 17.26 3 925 776 21.8 21.0 95 0.8 21.2 135 13 301.6 304.8 297.1 352.2 17.17 4 922 804 22.0 19.8 87 2.2 20.5 134 13 302.1 305.0 296.5 349.2 15.96 5 885 1161 20.8 19.3 91 1.5 19.8 127 9 304.4 307.4 297.2 352.5 16.13 6 875 1259 21.6 13.6 60 8.0 16.3 125 8 306.2 308.3 294.3 340.1 11.26 7 851 1501 19.8 17.1 84 2.7 17.9 120 5 306.8 309.5 296.8 350.6 14.57 8 850 1511 19.8 17.1 84 2.7 17.9 120 5 306.9 309.6 296.8 350.8 14.59 9 822 1800 19.6 13.6 68 6.0 15.5 113 6 309.6 311.9 295.8 346.2 12.00 10 700 3166 11.2 4.2 62 7.0 7.1 80 13 314.9 316.3 293.9 338.1 7.41 11 684 3358 10.0 4.0 66 6.0 6.5 79 13 315.6 317.1 294.1 339.1 7.48 12 669 3542 8.8 1.8 61 7.0 4.8 77 13 316.3 317.6 293.6 337.0 6.53 13 661 3642 8.8 -7.2 31 16.0 1.2 77 13 317.4 318.0 291.2 328.4 3.37 14 649 3793 7.6 -0.4 57 8.0 3.2 76 13 317.7 318.8 293.3 336.0 5.73 15 639 3921 7.4 -7.6 34 15.0 0.3 75 13 318.9 319.5 291.7 329.9 3.38 16 627 4076 6.2 -1.8 56 8.0 2.0 73 13 319.2 320.3 293.4 336.5 5.35 17 616 4221 5.8 -10.2 31 16.0 -1.3 72 13 320.4 321.0 291.7 329.9 2.86 18 584 4656 3.2 -13.8 27 17.0 -3.8 69 13 322.3 322.7 291.7 329.9 2.25 19 574 4795 2.0 -14.0 29 16.0 -4.5 68 13 322.5 322.9 291.7 330.1 2.26 20 543 5243 1.0 -28.0 9 29.0 -7.6 65 13 326.5 326.6 291.5 329.0 0.70 21 500 5900 -3.9 -31.9 9 28.0 -11.1 60 13 328.3 328.4 291.7 330.2 0.53 22 469 6401 -8.1 -33.1 11 25.0 -14.0 109 10 329.1 329.2 292.0 331.0 0.50 23 449 6737 -10.3 -28.3 21 18.0 -15.0 142 8 330.5 330.7 292.7 333.5 0.83 24 436 6963 -11.3 -14.5 77 3.2 -12.5 164 7 332.0 332.6 294.8 341.9 2.85 25 409 7451 -13.5 -19.5 61 6.0 -15.5 213 4 335.3 335.7 294.9 342.4 2.00 26 400 7620 -14.7 -20.7 60 6.0 -16.6 230 3 335.9 336.3 294.9 342.5 1.84 27 386 7889 -16.3 -24.3 50 8.0 -18.6 235 3 337.2 337.5 294.8 342.3 1.39 28 381 7987 -16.7 -29.7 32 13.0 -19.8 237 3 338.0 338.1 294.6 341.1 0.85 29 375 8106 -17.7 -24.7 54 7.0 -19.7 239 3 338.2 338.5 295.1 343.2 1.38 30 373 8146 -17.9 -30.9 31 13.0 -20.9 240 3 338.4 338.6 294.6 341.4 0.78 31 369 8227 -18.5 -25.5 54 7.0 -20.4 241 4 338.7 338.9 295.1 343.4 1.30 32 367 8267 -18.7 -29.7 37 11.0 -21.3 242 4 338.9 339.1 294.8 342.3 0.89 33 358 8452 -19.7 -28.7 45 9.0 -21.9 245 4 340.0 340.2 295.2 343.7 1.00 34 348 8662 -21.5 -28.5 53 7.0 -23.2 249 4 340.3 340.6 295.3 344.2 1.05 35 300 9740 -29.1 -40.1 34 11.0 -30.7 270 5 344.4 344.4 295.7 345.9 0.39 36 296 9836 -29.9 -41.9 30 12.0 -31.4 270 6 344.6 344.6 295.7 345.9 0.33 37 288 10031 -31.3 -42.3 33 11.0 -32.7 269 7 345.3 345.3 295.8 346.6 0.32 38 287 10056 -31.7 -36.7 61 5.0 -32.4 269 7 345.0 345.2 296.0 347.3 0.57 39 284 10130 -32.1 -45.1 26 13.0 -33.6 268 7 345.5 345.6 295.8 346.5 0.24 40 274 10383 -34.3 -37.6 72 3.3 -34.8 268 9 345.9 346.0 296.2 348.0 0.55 41 260 10749 -36.7 -50.7 22 14.0 -37.8 266 11 347.6 347.6 296.2 348.2 0.14 42 253 10938 -38.3 -41.8 70 3.5 -38.7 265 12 347.9 348.0 296.5 349.5 0.38 43 250 11020 -38.9 -43.0 65 4.1 -39.3 265 13 348.2 348.3 296.5 349.6 0.34 44 236 11413 -41.7 -46.0 63 4.3 -42.1 260 15 349.8 349.8 296.8 350.9 0.26 45 226 11704 -44.5 -52.5 41 8.0 -45.0 256 16 349.9 349.9 296.7 350.4 0.13 46 200 12510 -51.3 -56.3 55 5.0 -51.5 245 19 351.5 351.6 297.0 351.9 0.09 47 192 12773 -53.3 -59.3 48 6.0 -53.5 247 19 352.5 352.5 297.2 352.7 0.07 48 184 13045 -55.5 -69.5 16 14.0 -55.8 249 19 353.2 353.2 297.3 353.3 0.02 49 178 13255 -57.3 -61.2 61 3.9 -57.4 251 19 353.6 353.6 297.4 353.9 0.06 50 171 13506 -59.5 -66.5 40 7.0 -59.6 253 19 354.1 354.1 297.5 354.2 0.03 51 163 13803 -62.3 -65.8 63 3.5 -62.4 256 19 354.2 354.2 297.5 354.4 0.03 52 160 13917 -63.1 -67.6 54 4.5 -63.1 257 19 354.8 354.8 297.7 354.9 0.03 53 156 14072 -64.3 -76.3 18 12.0 -64.4 258 19 355.3 355.3 297.8 355.3 0.01 54 150 14310 -66.3 -75.3 27 9.0 -66.4 260 19 355.9 355.9 297.9 355.9 0.01 55 121 15579 -75.5 -80.0 49 4.5 -75.5 332 14 361.6 361.6 299.0 361.6 0.01 56 100 16670 -78.9 -84.9 37 6.0 -78.9 35 9 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5811.00 m Freezing level: 534.22 mb = 5376.81 m = 17640.24 ft Wetbulb zero: 620.45 mb = 4162.40 m = 13656.01 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 54.69 % Est. max temperature: 34.23 C = 93.62 F Sfc-Lift cond lev (LCL): 967.92 mb = 376.40 m = 1234.89 ft T: 24.48 C 700-500 lapse rate: 5.52 C/km ThetaE index: 12.66 C Layer 822.0- 684.0 mb Conv cond level (CCL): 931.93 mb = 710.34 m = 2330.49 ft Mean mixing ratio: 18.13 g/kg Conv temperature: 28.80 C = 83.84 F Cap Strength: 2.06 C Lifted Index: -2.40 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.93 C Lifted Index @700 mb: -0.48 C Showalter Index: -1.22 C Risk: Thunderstorms probable Total Totals Index: 44.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.00 C K Index: 33.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 228.20 Risk: None Energy Index: -3.88 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 893.29 J/kg Max Up Vert Vel: 42.27 m/s Conv Inhibition (B-): 76.05 J/kg Cap Strength: 1.96 C Lift Cond Lev (LCL): 937.65 mb = 656.41 m = 2153.54 ft Lev Free Conv (LFC): 722.65 mb = 2895.32 m = 9498.96 ft Equ Level (EL): 172.65 mb = 13446.01 m = 44113.67 ft B at Equ Level: 892.65 J/kg Wind level data Storm motion: 115 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 1009 7 0 0 -0.0 -0.0 | 295 8 7.2 -3.3 1 1000 89 135 1 -0.7 0.7 | 292 7 6.5 -2.6 2 925 776 135 13 -9.2 9.2 | 162 6 -2.0 5.9 3 850 1511 120 5 -4.3 2.5 | 286 3 2.9 -0.8 4 700 3166 80 13 -12.8 -2.3 | 45 8 -5.6 -5.6 5 500 5900 60 13 -11.3 -6.5 | 22 11 -4.0 -9.8 6 400 7620 230 3 2.3 1.9 | 278 10 9.5 -1.4 7 300 9740 270 5 5.0 -0.0 | 285 13 12.2 -3.3 8 250 11020 265 13 13.0 1.1 | 276 20 20.2 -2.2 9 200 12510 245 19 17.2 8.0 | 259 25 24.5 4.7 10 150 14310 260 19 18.7 3.3 | 270 26 26.0 -0.0 11 100 16670 35 9 -5.2 -7.4 | 349 11 2.1 -10.7 Wind Parameters Mean winds (0-6000m): 84.7 at 10.6 knts Storm direction: 114.7 at 8.0 knts Shear (0-3000m) pos: 1.4 neg: 1.6 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 112.0 deg Storm rel helicity (0-3000m) pos: 3.9 neg: -9.7 tot: -5.8 m^2/s^2 ave: -1.9 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 5.1 stream: -0.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 90.42 Bulk Shear: 9.88 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 ------------------------------------------------------------------------------- 500 135 4 277 4| 8.5 0.0 8.5| 0.0 -6.1 -6.1 -12.1 -0.68| 8.6 -5.9 1000 134 8 223 3| 4.3 1.2 5.5| 0.5 -9.4 -8.9 -8.9 -0.56| 7.8 -4.4 1500 133 8 221 2| 2.8 1.3 4.1| 2.5 -9.4 -6.9 -4.6 -0.22| 7.1 -1.5 2000 129 7 231 2| 2.1 1.0 3.1| 3.2 -9.4 -6.2 -3.1 -0.12| 6.0 -0.7 2500 122 8 232 1| 1.7 1.3 3.0| 3.9 -9.4 -5.6 -2.2 -0.05| 5.5 -0.3 3000 112 8 51 0| 1.4 1.6 3.1| 3.9 -9.7 -5.8 -1.9 -0.05| 5.1 -0.2 4000 100 9 47 3| 1.1 1.5 2.6| 3.9 -12.7 -8.7 -2.2 -0.09| 4.2 -0.4 5000 91 10 42 4| 0.9 1.3 2.2| 3.9 -15.9 -11.9 -2.4 -0.12| 3.5 -0.4 6000 85 11 38 5| 0.8 1.1 2.0| 7.3 -18.7 -11.5 -1.9 -0.10| 3.2 -0.3 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250426.12.gif