UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 19 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 1007 7 26.2 23.6 86 2.6 24.3 70 1 298.8 302.1 297.2 352.7 18.51 1 1000 68 25.8 23.7 88 2.1 24.3 85 3 299.0 302.4 297.4 353.7 18.76 2 986 193 24.6 23.3 92 1.3 23.7 95 3 299.0 302.3 297.3 353.2 18.57 3 953 494 27.2 20.2 66 7.0 22.2 119 4 304.5 307.4 297.0 351.7 15.83 4 949 531 27.0 20.0 66 7.0 22.0 122 4 304.7 307.6 297.0 351.5 15.70 5 925 758 25.4 20.4 74 5.0 21.8 140 5 305.3 308.4 297.7 354.7 16.53 6 880 1197 24.0 17.0 65 7.0 19.1 128 6 308.2 310.8 296.7 350.5 13.99 7 850 1500 21.6 17.4 77 4.2 18.7 120 7 308.8 311.6 297.5 353.9 14.87 8 834 1665 20.6 16.5 77 4.1 17.7 127 7 309.4 312.1 297.3 352.9 14.30 9 823 1780 20.8 10.8 53 10.0 14.3 132 8 310.8 312.7 294.6 341.3 9.93 10 807 1949 19.4 15.2 77 4.2 16.5 140 8 311.1 313.6 297.2 352.6 13.59 11 775 2296 17.0 12.5 75 4.5 14.0 156 9 312.1 314.3 296.3 348.5 11.84 12 754 2531 16.4 0.4 34 16.0 7.6 166 9 313.9 314.9 291.8 330.4 5.23 13 716 2970 14.0 -1.0 36 15.0 5.9 186 11 315.9 316.9 292.2 331.8 4.97 14 700 3160 11.8 6.8 71 5.0 8.7 195 11 315.6 317.3 295.1 343.4 8.90 15 690 3280 10.8 6.1 73 4.7 7.9 196 11 315.7 317.4 295.0 342.7 8.59 16 683 3365 10.6 -0.4 46 11.0 4.6 196 11 316.4 317.5 292.7 333.8 5.45 17 666 3575 9.4 -2.6 43 12.0 3.1 197 11 317.4 318.3 292.4 332.6 4.74 18 529 5452 -0.9 -24.9 14 24.0 -8.4 207 9 326.6 326.8 291.7 330.1 0.96 19 515 5666 -2.5 -21.5 22 19.0 -8.9 209 9 327.2 327.5 292.2 331.9 1.33 20 511 5728 -3.3 -9.3 63 6.0 -6.0 209 9 327.0 327.7 294.1 339.4 3.70 21 504 5837 -3.9 -10.9 58 7.0 -7.0 210 9 327.5 328.2 294.0 338.7 3.30 22 501 5884 -4.3 -7.7 77 3.4 -5.9 210 9 327.6 328.5 294.8 342.0 4.28 23 500 5900 -4.3 -9.0 70 4.7 -6.4 210 9 327.8 328.6 294.5 340.8 3.87 24 497 5947 -4.1 -15.1 42 11.0 -8.4 209 9 328.6 329.1 293.5 336.8 2.38 25 487 6107 -4.9 -33.9 8 29.0 -12.0 204 9 329.5 329.6 292.0 331.2 0.45 26 478 6252 -6.1 -22.1 27 16.0 -11.3 200 9 329.8 330.1 293.0 334.7 1.36 27 447 6772 -9.1 -33.1 12 24.0 -14.8 185 8 332.4 332.5 292.9 334.4 0.53 28 421 7232 -11.9 -27.9 25 16.0 -16.2 171 7 334.6 334.8 293.8 338.0 0.92 29 420 7250 -11.9 -35.9 12 24.0 -17.0 171 7 334.8 334.9 293.4 336.4 0.42 30 413 7378 -12.9 -22.9 43 10.0 -16.0 167 7 335.1 335.4 294.4 340.4 1.47 31 408 7470 -13.7 -30.7 22 17.0 -17.8 164 7 335.3 335.4 293.8 338.0 0.73 32 400 7620 -15.1 -22.1 55 7.0 -17.3 160 7 335.4 335.7 294.6 341.2 1.63 33 397 7677 -15.5 -20.5 65 5.0 -17.1 161 7 335.6 335.9 294.8 342.3 1.89 34 387 7870 -15.5 -17.3 86 1.8 -16.2 166 8 338.0 338.5 296.0 347.1 2.54 35 386 7890 -15.7 -17.6 85 1.9 -16.4 166 8 338.0 338.5 295.9 346.9 2.49 36 326 9147 -23.7 -26.7 76 3.0 -24.5 196 11 343.7 344.0 296.3 348.7 1.32 37 300 9750 -28.3 -31.4 75 3.1 -28.9 210 13 345.5 345.7 296.4 349.0 0.92 38 250 11030 -38.3 -42.1 67 3.8 -38.7 260 5 349.1 349.2 296.8 350.6 0.38 39 216 12015 -46.3 -50.3 64 4.0 -46.6 244 10 351.6 351.7 297.1 352.4 0.18 40 200 12520 -51.1 -55.0 63 3.9 -51.2 235 13 351.8 351.9 297.1 352.3 0.11 41 163 13813 -62.7 -67.5 52 4.8 -62.8 246 13 353.6 353.6 297.4 353.7 0.03 42 150 14320 -66.7 -71.7 49 5.0 -66.7 250 13 355.2 355.2 297.7 355.3 0.02 43 123 15492 -76.1 -80.0 54 3.9 -76.1 333 13 358.8 358.8 298.5 358.8 0.01 44 100 16670 -81.7 -86.7 42 5.0 -81.7 60 13 369.9 369.9 300.5 369.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5832.00 m Freezing level: 540.97 mb = 5288.11 m = 17349.24 ft Wetbulb zero: 628.91 mb = 4042.18 m = 13261.58 ft Precipitable water: 1.96 inches Sfc-500 mean rel hum: 50.34 % Est. max temperature: 36.11 C = 97.00 F Sfc-Lift cond lev (LCL): 970.07 mb = 336.65 m = 1104.47 ft T: 25.84 C 700-500 lapse rate: 5.88 C/km ThetaE index: 22.23 C Layer 775.0- 716.0 mb Conv cond level (CCL): 792.50 mb = 2104.74 m = 6905.24 ft Mean mixing ratio: 16.94 g/kg Conv temperature: 38.99 C = 102.19 F Cap Strength: 4.29 C Lifted Index: -2.44 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.60 C Lifted Index @700 mb: 0.35 C Showalter Index: -2.68 C Risk: Severe thunderstorms possible Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 21.70 C K Index: 38.30 Risk: > 80 % chance of thunderstorms Sweat Index: 231.80 Risk: None Energy Index: -2.55 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 541.63 J/kg Max Up Vert Vel: 32.91 m/s Conv Inhibition (B-): 233.58 J/kg Cap Strength: 4.25 C Lift Cond Lev (LCL): 895.90 mb = 1039.25 m = 3409.56 ft Lev Free Conv (LFC): 670.90 mb = 3514.10 m = 11529.05 ft Equ Level (EL): 180.90 mb = 13154.53 m = 43157.37 ft B at Equ Level: 541.11 J/kg Wind level data Storm motion: 214 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 1007 7 70 1 -0.9 -0.3 | 38 7 -4.5 -5.6 1 1000 68 85 3 -3.0 -0.3 | 50 9 -6.5 -5.6 2 925 758 140 5 -3.2 3.8 | 78 7 -6.8 -1.5 3 850 1500 120 7 -6.1 3.5 | 79 10 -9.6 -1.8 4 700 3160 195 11 2.8 10.6 | 173 5 -0.7 5.3 5 500 5900 210 9 4.5 7.8 | 201 3 1.0 2.5 6 400 7620 160 7 -2.4 6.6 | 102 6 -5.9 1.3 7 300 9750 210 13 6.5 11.3 | 206 7 3.0 6.0 8 250 11030 260 5 4.9 0.9 | 343 5 1.4 -4.4 9 200 12520 235 13 10.6 7.5 | 253 7 7.1 2.2 10 150 14320 250 13 12.2 4.4 | 276 9 8.7 -0.9 11 100 16670 60 13 -11.3 -6.5 | 51 19 -14.8 -11.8 Wind Parameters Mean winds (0-6000m): 183.8 at 8.5 knts Storm direction: 213.8 at 6.4 knts Shear (0-3000m) pos: 2.1 neg: 0.3 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 120.1 deg Storm rel helicity (0-3000m) pos: 32.6 neg: -0.2 tot: 32.4 m^2/s^2 ave: 10.8 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.7 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 55.48 Bulk Shear: 9.76 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 ------------------------------------------------------------------------------- 500 104 3 57 8| 3.8 0.0 3.8| 8.5 0.0 8.5 16.9 0.87| 4.7 4.1 1000 124 4 67 8| 2.7 0.0 2.7| 11.8 0.0 11.8 11.8 0.80| 3.6 2.9 1500 125 5 72 8| 1.8 0.7 2.5| 12.0 -0.2 11.8 7.9 0.63| 3.1 1.9 2000 127 6 76 8| 1.9 0.5 2.4| 19.3 -0.2 19.1 9.6 0.71| 3.2 2.2 2500 136 6 84 8| 2.0 0.4 2.4| 26.2 -0.2 26.0 10.4 0.75| 3.3 2.5 3000 148 7 94 7| 2.1 0.3 2.4| 32.6 -0.2 32.4 10.8 0.79| 3.4 2.7 4000 166 8 113 6| 1.6 0.3 1.8| 35.3 -0.2 35.1 8.8 0.79| 2.9 2.3 5000 177 8 127 5| 1.2 0.2 1.4| 36.0 -0.2 35.8 7.2 0.78| 2.4 1.9 6000 184 8 137 4| 1.0 0.2 1.2| 36.5 -0.5 36.0 6.0 0.74| 2.2 1.6 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250419.12.gif