UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 28 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 1010 7 26.4 23.5 84 2.9 24.3 125 1 298.7 302.0 297.1 352.2 18.34 1 1000 99 25.2 22.8 87 2.4 23.5 160 5 298.4 301.6 296.6 350.0 17.74 2 986 223 24.0 22.4 91 1.6 22.9 169 6 298.4 301.5 296.5 349.4 17.55 3 976 313 25.0 21.7 82 3.3 22.6 176 6 300.2 303.3 296.6 350.0 16.98 4 950 550 23.6 21.3 87 2.3 21.9 193 8 301.1 304.3 296.9 351.2 17.02 5 925 784 23.2 21.5 90 1.7 22.0 210 9 303.0 306.3 297.8 355.6 17.72 6 912 908 22.2 21.5 96 0.7 21.7 238 9 303.2 306.6 298.0 356.6 17.98 7 898 1043 21.8 20.3 91 1.5 20.8 270 8 304.2 307.3 297.6 354.6 16.93 8 894 1082 22.8 14.8 61 8.0 17.4 279 8 305.6 307.8 294.6 341.3 11.92 9 881 1210 22.0 17.7 77 4.3 19.0 308 8 306.0 308.8 296.6 349.9 14.62 10 850 1522 21.2 11.2 53 10.0 14.7 20 7 308.4 310.2 293.9 338.4 9.88 11 834 1686 21.2 2.2 28 19.0 10.4 26 7 310.0 311.1 290.8 326.7 5.38 12 759 2493 15.4 4.4 48 11.0 8.9 58 9 312.2 313.5 292.7 333.8 6.92 13 712 3033 12.6 -2.4 35 15.0 4.8 79 11 314.9 315.8 291.5 329.3 4.50 14 700 3175 11.4 -1.6 40 13.0 4.5 85 11 315.1 316.0 291.9 330.6 4.86 15 634 3990 4.2 -0.8 70 5.0 1.5 82 8 316.0 317.1 292.8 334.1 5.70 16 610 4302 2.8 -13.2 30 16.0 -3.7 81 7 317.9 318.3 290.4 325.4 2.27 17 607 4342 3.0 -18.0 20 21.0 -4.6 81 7 318.5 318.8 289.9 323.7 1.53 18 598 4463 3.0 -31.0 6 34.0 -6.3 80 6 319.9 320.0 289.2 321.6 0.48 19 591 4558 2.4 -14.6 27 17.0 -4.3 80 6 320.3 320.7 290.9 327.3 2.08 20 587 4613 2.6 -27.4 9 30.0 -6.3 80 6 321.1 321.3 289.9 323.6 0.69 21 569 4864 0.6 -31.4 7 32.0 -7.9 79 5 321.7 321.8 289.8 323.4 0.49 22 539 5296 -1.7 -18.7 26 17.0 -7.7 77 3 323.9 324.3 291.6 329.5 1.62 23 518 5611 -2.9 -30.9 9 28.0 -10.3 76 2 326.2 326.3 291.2 328.2 0.56 24 500 5890 -4.9 -32.9 9 28.0 -11.8 75 1 327.1 327.2 291.4 328.8 0.48 25 496 5953 -5.5 -36.5 7 31.0 -12.5 81 2 327.1 327.2 291.2 328.4 0.34 26 457 6592 -9.9 -20.9 40 11.0 -13.5 137 7 329.3 329.6 293.0 334.9 1.58 27 443 6832 -11.3 -40.3 7 29.0 -16.7 159 9 330.5 330.6 292.1 331.5 0.26 28 423 7186 -14.1 -34.1 17 20.0 -18.3 191 11 331.3 331.4 292.6 333.2 0.50 29 421 7222 -14.5 -25.5 39 11.0 -17.5 194 12 331.3 331.5 293.2 335.4 1.14 30 410 7423 -15.1 -16.0 93 0.9 -15.4 213 13 333.0 333.5 294.9 342.3 2.68 31 400 7610 -15.9 -20.8 66 4.9 -17.4 230 15 334.3 334.7 294.5 340.8 1.82 32 399 7629 -16.1 -22.1 60 6.0 -17.9 230 15 334.3 334.6 294.4 340.1 1.63 33 393 7743 -16.9 -17.4 96 0.5 -17.1 231 15 334.7 335.2 295.1 343.4 2.48 34 375 8094 -18.5 -21.5 77 3.0 -19.4 232 14 337.1 337.5 295.2 343.7 1.83 35 304 9626 -29.5 -33.3 70 3.8 -30.2 240 9 342.5 342.7 295.6 345.4 0.76 36 300 9720 -30.1 -35.1 62 5.0 -30.9 240 9 343.0 343.1 295.6 345.4 0.64 37 250 10990 -38.9 -51.9 24 13.0 -39.8 280 17 348.2 348.3 296.4 348.8 0.13 38 245 11128 -39.7 -54.7 19 15.0 -40.6 284 16 349.1 349.1 296.5 349.4 0.09 39 244 11156 -39.7 -54.7 19 15.0 -40.6 284 16 349.5 349.5 296.6 349.9 0.09 40 214 12037 -47.5 -56.5 35 9.0 -47.9 308 11 350.7 350.7 296.8 351.1 0.09 41 209 12193 -48.9 -65.9 12 17.0 -49.4 312 11 350.9 350.9 296.8 351.0 0.03 42 200 12480 -51.5 -63.5 23 12.0 -51.8 320 9 351.2 351.2 296.9 351.4 0.04 43 185 12981 -56.1 -63.1 41 7.0 -56.2 343 8 351.7 351.7 297.0 351.9 0.04 44 181 13119 -56.9 -74.9 9 18.0 -57.1 349 8 352.6 352.6 297.2 352.6 0.01 45 159 13926 -64.3 -70.3 44 6.0 -64.4 28 6 353.4 353.4 297.4 353.5 0.02 46 150 14280 -66.7 -71.7 49 5.0 -66.7 45 5 355.2 355.2 297.7 355.3 0.02 47 127 15270 -74.5 -76.9 69 2.4 -74.5 88 6 358.4 358.4 298.4 358.5 0.01 48 109 16146 -81.3 -85.5 49 4.2 -81.3 128 7 361.6 361.6 299.0 361.6 0.00 49 100 16630 -82.7 -86.1 56 3.4 -82.7 150 7 367.9 367.9 300.2 368.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5791.00 m Freezing level: 561.17 mb = 4976.33 m = 16326.35 ft Wetbulb zero: 626.90 mb = 4081.00 m = 13388.95 ft Precipitable water: 1.69 inches Sfc-500 mean rel hum: 45.35 % Est. max temperature: 35.32 C = 95.58 F Sfc-Lift cond lev (LCL): 968.74 mb = 378.53 m = 1241.88 ft T: 24.61 C 700-500 lapse rate: 6.00 C/km ThetaE index: 23.14 C Layer 850.0- 759.0 mb Conv cond level (CCL): 805.14 mb = 1987.95 m = 6522.07 ft Mean mixing ratio: 17.44 g/kg Conv temperature: 38.60 C = 101.48 F Cap Strength: 3.66 C Lifted Index: -2.69 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.84 C Lifted Index @700 mb: 0.25 C Showalter Index: 2.58 C Risk: Showers probable Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 26.10 C Cross Totals Index: 16.10 C K Index: 24.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 149.40 Risk: None Energy Index: -1.71 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 868.26 J/kg Max Up Vert Vel: 41.67 m/s Conv Inhibition (B-): 171.36 J/kg Cap Strength: 3.49 C Lift Cond Lev (LCL): 929.35 mb = 742.84 m = 2437.10 ft Lev Free Conv (LFC): 694.35 mb = 3241.62 m = 10635.11 ft Equ Level (EL): 184.35 mb = 13002.82 m = 42659.65 ft B at Equ Level: 864.01 J/kg Wind level data Storm motion: 113 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 1010 7 125 1 -0.8 0.6 | 290 4 4.0 -1.5 1 1000 99 160 5 -1.7 4.7 | 230 4 3.1 2.6 2 925 784 210 9 4.5 7.8 | 239 11 9.3 5.7 3 850 1522 20 7 -2.4 -6.6 | 344 9 2.5 -8.7 4 700 3175 85 11 -11.0 -1.0 | 64 7 -6.1 -3.0 5 500 5890 75 1 -1.0 -0.3 | 301 5 3.9 -2.3 6 400 7610 230 15 11.5 9.6 | 245 18 16.3 7.6 7 300 9720 240 9 7.8 4.5 | 259 13 12.6 2.4 8 250 10990 280 17 16.7 -3.0 | 283 22 21.6 -5.0 9 200 12480 320 9 5.8 -6.9 | 310 14 10.6 -9.0 10 150 14280 45 5 -3.5 -3.5 | 347 6 1.3 -5.6 11 100 16630 150 7 -3.5 6.1 | 199 4 1.3 4.0 Wind Parameters Mean winds (0-6000m): 83.2 at 7.0 knts Storm direction: 113.2 at 5.3 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 122.3 deg Storm rel helicity (0-3000m) pos: 95.7 neg: -4.5 tot: 91.2 m^2/s^2 ave: 30.4 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 5.0 10^-3/s Energy-Hel index: 0.45 Bulk Rich Number: 77.81 Bulk Shear: 11.16 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 ------------------------------------------------------------------------------- 500 176 6 231 6| 7.2 0.0 7.2| 0.7 -4.5 -3.7 -7.4 -0.52| 8.7 -4.5 1000 202 7 239 9| 4.7 0.0 4.7| 28.2 -4.5 23.8 23.8 0.24| 10.0 2.4 1500 200 7 237 9| 2.5 0.0 2.5| 75.1 -4.5 70.6 47.1 0.55| 12.0 6.6 2000 176 7 220 7| 2.1 0.0 2.1| 82.2 -4.5 77.7 38.9 0.58| 9.8 5.7 2500 80 8 38 4| 1.9 0.0 1.9| 88.9 -4.5 84.4 33.8 0.61| 8.5 5.2 3000 78 8 39 5| 1.7 0.0 1.7| 95.7 -4.5 91.2 30.4 0.64| 7.7 5.0 4000 82 8 48 5| 1.2 0.2 1.4| 97.9 -7.1 90.8 22.7 0.57| 6.3 3.6 5000 82 8 44 4| 0.9 0.6 1.5| 97.9 -10.1 87.8 17.6 0.47| 5.4 2.6 6000 83 7 36 4| 0.7 0.6 1.4| 98.3 -12.7 85.7 14.3 0.40| 4.9 1.9 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250428.00.gif