UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100612.upa.cvt Date: 1200Z 6 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 6 OCT 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 26.0 22.0 79 4.0 23.1 360 1 298.5 301.5 296.0 347.2 16.74 1 1000 77 26.0 20.0 70 6.0 21.8 315 1 299.1 301.9 294.9 342.5 14.88 2 975 301 27.2 20.2 66 7.0 22.2 279 4 302.5 305.4 296.3 348.3 15.46 3 949 541 27.0 18.0 58 9.0 20.7 241 6 304.7 307.2 295.7 345.9 13.81 4 925 767 25.4 19.4 69 6.0 21.1 205 9 305.3 308.2 297.0 351.7 15.51 5 872 1284 21.4 17.2 77 4.2 18.5 215 9 306.3 309.0 296.5 349.3 14.30 6 850 1506 20.8 14.8 69 6.0 16.7 220 9 307.9 310.3 295.7 345.9 12.55 7 787 2169 16.6 12.7 78 3.9 14.0 260 8 310.3 312.5 295.8 346.4 11.81 8 700 3160 11.6 3.6 58 8.0 6.9 320 7 315.3 316.7 293.7 337.7 7.10 9 694 3232 11.8 2.8 54 9.0 6.6 318 7 316.3 317.6 293.7 337.7 6.76 10 591 4555 2.4 -0.5 81 2.9 0.8 287 5 320.3 321.5 294.4 340.4 6.26 11 566 4904 0.2 -1.7 87 1.9 -0.8 279 4 321.7 322.8 294.6 341.0 5.98 12 524 5519 -3.1 -5.5 83 2.4 -4.3 264 4 324.9 325.8 294.6 340.9 4.85 13 507 5780 -4.3 -14.3 46 10.0 -8.2 258 3 326.5 327.0 293.0 335.0 2.49 14 500 5890 -5.3 -9.3 73 4.0 -7.1 255 3 326.6 327.3 294.1 339.3 3.78 15 487 6096 -6.3 -8.0 88 1.7 -7.1 249 4 327.8 328.7 294.8 342.2 4.30 16 483 6160 -5.3 -11.3 63 6.0 -7.9 247 4 329.8 330.5 294.6 341.2 3.34 17 411 7405 -13.9 -16.0 84 2.1 -14.7 211 8 334.3 334.9 295.2 343.7 2.67 18 400 7610 -14.5 -17.7 77 3.2 -15.6 205 9 336.1 336.6 295.4 344.6 2.38 19 316 9357 -26.3 -31.1 64 4.8 -27.3 131 4 343.2 343.4 295.9 346.6 0.90 20 307 9565 -28.3 -31.0 78 2.7 -28.8 122 3 343.2 343.4 295.9 346.8 0.94 21 303 9659 -28.9 -35.9 51 7.0 -30.0 118 3 343.7 343.8 295.7 346.0 0.59 22 302 9682 -29.1 -31.5 80 2.4 -29.6 117 3 343.7 343.9 296.0 347.2 0.91 23 300 9730 -29.3 -32.4 74 3.1 -29.9 115 3 344.1 344.3 296.0 347.3 0.84 24 277 10292 -34.3 -35.7 87 1.4 -34.5 89 5 344.8 344.9 296.0 347.4 0.66 25 275 10343 -34.5 -43.5 40 9.0 -35.5 86 5 345.2 345.3 295.8 346.4 0.30 26 263 10652 -37.1 -43.1 54 6.0 -37.7 72 6 345.9 345.9 296.0 347.2 0.32 27 261 10705 -37.5 -40.1 77 2.6 -37.8 69 6 346.0 346.1 296.1 347.8 0.45 28 250 11000 -39.3 -43.4 65 4.1 -39.7 55 7 347.6 347.7 296.4 349.0 0.33 29 242 11223 -41.1 -45.9 60 4.8 -41.5 57 8 348.2 348.2 296.5 349.2 0.26 30 215 12017 -48.3 -54.3 50 6.0 -48.6 65 11 349.0 349.0 296.5 349.5 0.11 31 202 12425 -51.9 -54.1 77 2.2 -52.0 69 13 349.6 349.6 296.7 350.1 0.12 32 200 12490 -52.5 -55.5 70 3.0 -52.6 70 13 349.6 349.7 296.7 350.1 0.10 33 186 12953 -56.9 -61.1 59 4.2 -57.0 66 20 349.8 349.9 296.7 350.1 0.06 34 150 14280 -67.3 -70.9 60 3.6 -67.3 55 40 354.2 354.2 297.5 354.2 0.02 35 139 14734 -71.5 -76.4 48 4.9 -71.5 58 38 354.6 354.6 297.6 354.6 0.01 36 136 14863 -72.5 -76.5 55 4.0 -72.5 59 38 355.0 355.0 297.7 355.1 0.01 37 108 16194 -79.5 -83.5 51 4.0 -79.5 70 33 366.0 366.0 299.8 366.0 0.00 38 100 16630 -79.5 -83.4 52 3.9 -79.5 75 42 374.1 374.1 301.3 374.1 0.00 TRP 108 16194 -79.5 -83.5 51 4.0 -79.5 70 33 366.0 366.0 299.8 366.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5813.00 m Freezing level: 563.45 mb = 4941.23 m = 16211.18 ft Wetbulb zero: 578.20 mb = 4731.97 m = 15524.65 ft Precipitable water: 2.21 inches Sfc-500 mean rel hum: 71.10 % Est. max temperature: 34.89 C = 94.81 F Sfc-Lift cond lev (LCL): 951.21 mb = 520.09 m = 1706.32 ft T: 27.02 C 700-500 lapse rate: 6.19 C/km ThetaE index: 8.71 C Layer 700.0- 694.0 mb Conv cond level (CCL): 778.67 mb = 2258.54 m = 7409.81 ft Mean mixing ratio: 14.98 g/kg Conv temperature: 38.31 C = 100.96 F Cap Strength: 3.61 C Lifted Index: -1.51 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.33 C Lifted Index @700 mb: 1.62 C Showalter Index: -0.84 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 20.10 C K Index: 32.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 198.60 Risk: None Energy Index: -1.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 150.08 J/kg Max Up Vert Vel: 17.33 m/s Conv Inhibition (B-): 252.25 J/kg Cap Strength: 3.54 C Lift Cond Lev (LCL): 865.90 mb = 1344.97 m = 4412.58 ft Lev Free Conv (LFC): 610.90 mb = 4282.64 m = 14050.49 ft Equ Level (EL): 340.90 mb = 8794.66 m = 28853.53 ft B at Equ Level: 150.08 J/kg Max Parcel Lev (MPL): 180.90 mb = 13124.79 m = 43059.80 ft Wind level data Storm motion: 294 at 5 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 7 360 1 -0.0 -1.0 | 102 4 -4.3 0.9 1 1000 77 315 1 0.7 -0.7 | 108 4 -3.6 1.2 2 925 767 205 9 3.8 8.2 | 177 10 -0.5 10.0 3 850 1506 220 9 5.8 6.9 | 190 9 1.5 8.8 4 700 3160 320 7 4.5 -5.4 | 356 3 0.2 -3.5 5 500 5890 255 3 2.9 0.8 | 153 3 -1.4 2.7 6 400 7610 205 9 3.8 8.2 | 177 10 -0.5 10.0 7 300 9730 115 3 -2.7 1.3 | 114 8 -7.0 3.1 8 250 11000 55 7 -5.7 -4.0 | 78 10 -10.0 -2.1 9 200 12490 70 13 -12.2 -4.4 | 81 17 -16.5 -2.6 10 150 14280 55 40 -32.8 -22.9 | 60 43 -37.0 -21.1 11 108 16194 70 33 -31.0 -11.3 | 75 37 -35.3 -9.4 12 100 16630 75 42 -40.6 -10.9 | 79 46 -44.8 -9.0 Wind Parameters Mean winds (0-6000m): 263.8 at 6.2 knts Storm direction: 293.8 at 4.7 knts Shear (0-3000m) pos: 2.1 neg: 1.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -124.6 deg Storm rel helicity (0-3000m) pos: 21.1 neg: -4.8 tot: 16.4 m^2/s^2 ave: 5.5 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 117.24 Bulk Shear: 1.28 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 ------------------------------------------------------------------------------- 500 257 3 155 3| 0.0 6.6 6.6| 2.0 0.0 2.0 4.0 0.48| 7.6 3.7 1000 210 6 168 7| 0.0 5.1 5.1| 3.4 -4.8 -1.3 -1.3 0.13| 7.2 0.9 1500 212 7 175 8| 0.5 3.4 3.9| 6.9 -4.8 2.1 1.4 0.20| 5.4 1.1 2000 219 7 182 8| 1.6 2.5 4.1| 13.9 -4.8 9.1 4.6 0.33| 5.2 1.7 2500 228 7 190 7| 2.0 2.0 4.0| 18.1 -4.8 13.3 5.3 0.41| 5.1 2.1 3000 235 7 196 6| 2.1 1.7 3.8| 21.1 -4.8 16.4 5.5 0.49| 4.9 2.4 4000 251 7 212 5| 1.6 1.4 3.0| 22.0 -5.5 16.5 4.1 0.43| 4.1 1.8 5000 260 7 218 4| 1.2 1.4 2.6| 22.0 -5.9 16.1 3.2 0.35| 3.6 1.2 6000 264 6 217 3| 1.0 1.2 2.3| 22.3 -6.4 15.8 2.6 0.31| 3.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251006.12.gif