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 VVDN... Searching the city database file for: VVDN ... Date:0000Z 17 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 1008 7 25.2 22.8 87 2.4 23.5 180 3 297.7 300.9 296.4 348.7 17.60 1 1000 78 24.2 22.6 91 1.6 23.0 170 5 297.4 300.5 296.2 348.1 17.52 2 971 336 23.2 21.8 92 1.4 22.2 198 7 298.9 302.0 296.4 348.9 17.18 3 965 391 23.8 21.2 85 2.6 21.9 204 8 300.0 303.0 296.4 348.7 16.65 4 960 437 26.6 20.6 70 6.0 22.3 209 8 303.3 306.2 296.8 351.1 16.11 5 925 765 25.2 20.2 74 5.0 21.6 245 11 305.1 308.1 297.4 353.9 16.32 6 875 1253 23.4 16.4 65 7.0 18.5 281 7 308.1 310.6 296.4 349.0 13.53 7 850 1506 21.4 15.4 69 6.0 17.3 300 5 308.6 311.0 296.2 348.1 13.06 8 715 2984 12.4 5.4 62 7.0 8.2 300 7 314.3 315.8 294.1 339.0 7.89 9 700 3162 12.0 3.0 54 9.0 6.8 300 7 315.8 317.1 293.6 337.2 6.80 10 671 3515 10.8 -0.2 46 11.0 4.7 291 8 318.3 319.4 293.4 336.3 5.63 11 666 3578 11.0 -1.0 43 12.0 4.5 289 8 319.2 320.2 293.4 336.4 5.34 12 591 4561 3.6 -1.0 72 4.6 1.1 262 9 321.7 322.9 294.6 341.2 6.03 13 561 4983 1.6 -8.4 47 10.0 -3.0 251 10 324.1 324.9 293.4 336.2 3.62 14 525 5514 -2.1 -6.6 71 4.5 -4.3 236 10 325.9 326.8 294.5 340.7 4.45 15 505 5822 -4.1 -15.1 42 11.0 -8.4 227 11 327.1 327.6 293.1 335.1 2.34 16 500 5900 -4.9 -10.9 63 6.0 -7.5 225 11 327.1 327.7 293.9 338.3 3.33 17 498 5931 -5.3 -9.6 72 4.3 -7.2 225 11 327.0 327.7 294.1 339.4 3.71 18 486 6122 -6.3 -9.6 77 3.3 -7.8 226 11 328.0 328.8 294.5 340.8 3.80 19 483 6171 -6.5 -13.5 58 7.0 -9.3 226 11 328.3 328.9 293.8 337.9 2.79 20 481 6203 -6.7 -12.7 62 6.0 -9.2 226 11 328.5 329.1 294.0 338.7 3.00 21 463 6500 -8.7 -20.7 37 12.0 -12.6 227 12 329.6 329.9 293.1 335.2 1.59 22 453 6669 -10.1 -20.1 44 10.0 -13.4 227 12 329.9 330.3 293.3 335.9 1.71 23 434 6998 -11.3 -35.3 12 24.0 -16.5 228 12 332.5 332.5 292.8 334.1 0.44 24 428 7105 -11.3 -33.3 14 22.0 -16.4 228 12 333.8 333.9 293.3 335.8 0.54 25 412 7396 -13.5 -21.5 51 8.0 -16.0 229 13 334.6 334.9 294.4 340.6 1.67 26 409 7451 -13.5 -29.5 25 16.0 -17.5 230 13 335.3 335.5 293.9 338.3 0.81 27 404 7545 -14.3 -28.3 29 14.0 -17.9 230 13 335.4 335.6 294.0 338.8 0.92 28 403 7563 -14.5 -23.5 46 9.0 -17.1 230 13 335.4 335.7 294.4 340.6 1.43 29 400 7620 -14.9 -29.9 27 15.0 -18.6 230 13 335.6 335.8 294.0 338.6 0.80 30 396 7696 -15.3 -31.3 24 16.0 -19.0 229 13 336.1 336.2 294.0 338.7 0.71 31 391 7792 -15.7 -22.7 55 7.0 -17.8 228 13 336.8 337.1 294.9 342.5 1.58 32 373 8147 -18.5 -31.5 31 13.0 -21.4 223 12 337.6 337.8 294.4 340.4 0.74 33 369 8228 -18.9 -22.8 71 3.9 -20.0 222 11 338.1 338.5 295.3 344.1 1.66 34 365 8309 -19.1 -27.1 49 8.0 -21.1 220 11 338.9 339.2 295.1 343.1 1.14 35 331 9030 -25.3 -27.6 81 2.3 -25.8 210 9 340.0 340.3 295.4 344.5 1.20 36 300 9740 -29.7 -32.4 77 2.7 -30.2 200 7 343.5 343.7 295.9 346.7 0.84 37 276 10327 -33.7 -37.1 71 3.4 -34.2 232 13 346.0 346.2 296.3 348.3 0.57 38 273 10404 -34.3 -38.4 66 4.1 -34.8 236 14 346.2 346.4 296.3 348.2 0.51 39 251 10983 -39.7 -41.0 87 1.3 -39.8 268 21 346.6 346.7 296.3 348.3 0.42 40 250 11010 -39.9 -42.5 76 2.6 -40.2 270 21 346.7 346.8 296.3 348.2 0.36 41 241 11259 -41.9 -46.4 61 4.5 -42.3 270 22 347.4 347.4 296.3 348.4 0.25 42 236 11400 -43.3 -46.1 74 2.8 -43.5 270 22 347.4 347.4 296.3 348.4 0.26 43 205 12330 -50.9 -58.9 38 8.0 -51.2 270 25 349.7 349.7 296.6 350.0 0.07 44 200 12490 -52.1 -58.1 48 6.0 -52.3 270 25 350.3 350.3 296.8 350.6 0.07 45 186 12956 -56.5 -61.4 54 4.9 -56.6 259 23 350.5 350.5 296.8 350.7 0.05 46 184 13024 -56.9 -64.9 36 8.0 -57.1 257 23 350.9 350.9 296.8 351.1 0.03 47 175 13341 -59.1 -67.1 35 8.0 -59.2 249 22 352.4 352.4 297.2 352.5 0.03 48 150 14290 -67.3 -73.3 42 6.0 -67.4 225 19 354.2 354.2 297.5 354.2 0.01 49 148 14371 -68.1 -74.1 42 6.0 -68.1 229 19 354.1 354.1 297.5 354.2 0.01 50 130 15139 -74.1 -82.1 28 8.0 -74.1 267 15 356.8 356.8 298.1 356.8 0.00 51 121 15557 -74.3 -85.3 17 11.0 -74.3 289 13 363.8 363.8 299.4 363.8 0.00 52 110 16106 -78.9 -84.9 37 6.0 -78.9 317 10 365.2 365.2 299.7 365.2 0.00 53 100 16650 -78.1 -87.1 22 9.0 -78.1 345 7 376.8 376.8 301.7 376.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5822.00 m Freezing level: 545.43 mb = 5212.39 m = 17100.81 ft Wetbulb zero: 583.14 mb = 4669.50 m = 15319.69 ft Precipitable water: 2.10 inches Sfc-500 mean rel hum: 63.40 % Est. max temperature: 35.97 C = 96.74 F Sfc-Lift cond lev (LCL): 973.77 mb = 311.38 m = 1021.57 ft T: 23.30 C 700-500 lapse rate: 6.17 C/km ThetaE index: 17.56 C Layer 875.0- 666.0 mb Conv cond level (CCL): 798.32 mb = 2041.98 m = 6699.33 ft Mean mixing ratio: 16.62 g/kg Conv temperature: 38.23 C = 100.82 F Cap Strength: 4.40 C Lifted Index: -2.28 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.77 C Lifted Index @700 mb: 1.20 C Showalter Index: -1.29 C Risk: Thunderstorms probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 20.30 C K Index: 32.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 205.80 Risk: None Energy Index: -1.89 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 560.34 J/kg Max Up Vert Vel: 33.48 m/s Conv Inhibition (B-): 281.76 J/kg Cap Strength: 4.41 C Lift Cond Lev (LCL): 905.43 mb = 952.84 m = 3126.08 ft Lev Free Conv (LFC): 600.43 mb = 4430.90 m = 14536.89 ft Equ Level (EL): 190.43 mb = 12804.80 m = 42009.99 ft B at Equ Level: 559.45 J/kg Max Parcel Lev (MPL): 110.43 mb = 16083.90 m = 52768.06 ft Wind level data Storm motion: 291 at 6 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 1008 7 180 3 0.0 3.0 | 132 8 -5.6 5.1 1 1000 78 170 5 -0.9 4.9 | 137 10 -6.4 7.0 2 925 765 245 11 10.0 4.6 | 213 8 4.4 6.7 3 850 1506 300 5 4.3 -2.5 | 72 1 -1.2 -0.4 4 700 3162 300 7 6.1 -3.5 | 341 1 0.5 -1.4 5 500 5900 225 11 7.8 7.8 | 193 10 2.2 9.9 6 400 7620 230 13 10.0 8.4 | 203 11 4.4 10.4 7 300 9740 200 7 2.4 6.6 | 160 9 -3.2 8.7 8 250 11010 270 21 21.0 -0.0 | 262 16 15.4 2.1 9 200 12490 270 25 25.0 -0.0 | 264 20 19.4 2.1 10 150 14290 225 19 13.4 13.4 | 207 17 7.9 15.5 11 100 16650 345 7 1.8 -6.8 | 39 6 -3.8 -4.7 Wind Parameters Mean winds (0-6000m): 260.6 at 7.9 knts Storm direction: 290.6 at 6.0 knts Shear (0-3000m) pos: 1.2 neg: 0.3 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -146.3 deg Storm rel helicity (0-3000m) pos: 33.1 neg: -0.5 tot: 32.7 m^2/s^2 ave: 10.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.6 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 73.12 Bulk Shear: 7.66 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 ------------------------------------------------------------------------------- 500 198 6 156 9| 6.8 0.0 6.8| 18.3 0.0 18.3 36.6 0.85| 8.9 7.6 1000 231 8 187 7| 4.7 0.0 4.7| 32.4 0.0 32.4 32.4 0.81| 9.0 7.3 1500 243 8 193 6| 2.4 0.0 2.4| 33.1 0.0 33.1 22.1 0.70| 8.3 5.8 2000 254 7 198 4| 1.8 0.2 2.0| 33.1 -0.2 33.0 16.5 0.66| 6.4 4.2 2500 263 7 204 3| 1.4 0.2 1.7| 33.1 -0.3 32.8 13.1 0.62| 5.2 3.3 3000 271 7 212 2| 1.2 0.3 1.5| 33.1 -0.5 32.7 10.9 0.59| 4.5 2.6 4000 276 7 227 2| 0.9 0.5 1.4| 33.1 -1.8 31.3 7.8 0.42| 3.8 1.6 5000 272 7 224 3| 0.7 0.8 1.5| 33.1 -5.1 28.1 5.6 0.29| 3.5 1.0 6000 261 8 214 4| 0.6 0.9 1.5| 33.4 -11.4 22.0 3.7 0.18| 3.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250417.00.gif