UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 20 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 25.8 22.5 82 3.3 23.5 200 1 298.2 301.3 296.3 348.3 17.25 1 1000 84 25.0 22.2 84 2.8 23.0 200 5 298.1 301.3 296.1 347.8 17.09 2 994 137 24.8 21.9 84 2.9 22.8 198 5 298.5 301.5 296.1 347.6 16.87 3 964 408 25.0 20.7 77 4.3 21.9 188 7 301.3 304.3 296.4 348.8 16.15 4 951 528 26.8 20.8 70 6.0 22.5 184 8 304.3 307.3 297.4 353.4 16.48 5 929 735 25.2 20.8 77 4.4 22.0 176 9 304.7 307.8 297.7 355.1 16.88 6 925 773 25.2 20.2 74 5.0 21.6 175 9 305.1 308.1 297.4 353.9 16.32 7 911 908 26.4 14.4 48 12.0 18.3 178 9 307.6 309.8 294.8 342.1 11.39 8 895 1064 25.6 12.6 44 13.0 17.0 181 9 308.4 310.3 294.2 339.6 10.29 9 850 1516 22.4 11.4 50 11.0 15.2 190 9 309.6 311.5 294.4 340.2 10.01 10 839 1629 21.4 13.4 60 8.0 16.0 187 9 309.7 311.9 295.5 345.1 11.60 11 832 1702 20.4 15.8 75 4.6 17.2 186 9 309.4 312.0 296.8 351.1 13.70 12 811 1922 19.2 14.2 73 5.0 15.8 180 10 310.4 312.8 296.4 349.0 12.66 13 806 1976 19.0 11.0 60 8.0 13.8 179 10 310.7 312.7 294.8 342.3 10.28 14 800 2040 19.4 3.4 35 16.0 10.2 178 10 311.8 313.0 291.9 330.9 6.11 15 799 2051 19.4 3.4 35 16.0 10.2 177 10 311.9 313.1 292.0 331.0 6.12 16 769 2378 15.6 12.8 83 2.8 13.7 169 11 311.3 313.6 296.3 348.6 12.18 17 746 2635 13.6 11.9 89 1.7 12.5 163 12 311.8 314.1 296.2 348.1 11.82 18 722 2911 12.0 8.5 79 3.5 9.8 156 12 313.0 314.8 295.0 343.0 9.70 19 714 3004 13.2 -11.8 16 25.0 2.3 154 13 315.3 315.7 289.5 322.4 2.17 20 700 3171 12.2 -10.8 19 23.0 2.0 150 13 316.0 316.5 289.9 323.9 2.39 21 568 4886 2.2 -30.8 7 33.0 -7.0 166 11 323.7 323.8 290.5 325.6 0.52 22 500 5900 -4.9 -21.9 25 17.0 -10.4 175 9 327.1 327.3 292.2 331.7 1.32 23 461 6536 -8.9 -18.9 44 10.0 -12.3 170 10 329.8 330.1 293.4 336.3 1.86 24 447 6775 -10.7 -20.7 44 10.0 -13.9 167 10 330.4 330.7 293.4 336.2 1.65 25 438 6932 -9.5 -37.5 8 28.0 -15.5 166 10 333.9 333.9 293.1 335.2 0.35 26 406 7516 -12.9 -43.9 6 31.0 -18.3 161 11 336.8 336.8 293.7 337.5 0.19 27 400 7630 -14.1 -42.1 7 28.0 -19.1 160 11 336.7 336.7 293.7 337.6 0.24 28 387 7880 -15.7 -41.7 9 26.0 -20.3 166 10 337.8 337.8 294.0 338.8 0.25 29 375 8116 -17.3 -29.3 34 12.0 -20.3 171 9 338.7 338.9 294.8 342.1 0.90 30 372 8177 -17.1 -52.1 3 35.0 -21.7 173 9 339.7 339.8 294.3 340.1 0.08 31 368 8258 -17.5 -49.5 4 32.0 -22.0 174 9 340.3 340.3 294.5 340.7 0.11 32 306 9608 -28.5 -52.5 8 24.0 -30.8 207 4 343.3 343.3 295.2 343.7 0.10 33 300 9750 -29.5 -53.5 8 24.0 -31.6 210 3 343.8 343.8 295.3 344.2 0.09 34 285 10112 -32.5 -53.5 11 21.0 -34.2 199 5 344.6 344.6 295.5 345.0 0.09 35 282 10187 -33.1 -48.1 21 15.0 -34.6 196 6 344.8 344.8 295.6 345.5 0.17 36 280 10237 -33.3 -37.5 66 4.2 -33.9 195 6 345.2 345.3 296.0 347.3 0.54 37 277 10312 -34.1 -45.1 32 11.0 -35.3 193 6 345.1 345.1 295.8 346.1 0.25 38 276 10337 -34.3 -37.4 73 3.1 -34.7 192 7 345.2 345.3 296.0 347.3 0.56 39 274 10388 -34.7 -37.3 77 2.6 -35.1 190 7 345.3 345.4 296.1 347.5 0.57 40 272 10439 -34.9 -74.9 1 40.0 -36.5 189 7 345.7 345.7 295.7 345.8 0.01 41 271 10464 -35.3 -55.3 11 20.0 -36.7 188 7 345.5 345.5 295.7 345.9 0.08 42 270 10490 -35.3 -40.3 60 5.0 -35.9 187 8 345.9 346.0 296.1 347.6 0.42 43 268 10541 -35.7 -38.5 75 2.8 -36.1 185 8 346.0 346.1 296.2 348.1 0.51 44 261 10724 -36.9 -39.0 81 2.1 -37.2 179 9 346.9 347.0 296.4 348.9 0.50 45 260 10751 -37.1 -40.1 74 3.0 -37.5 179 9 347.0 347.1 296.4 348.8 0.45 46 259 10777 -37.3 -51.3 22 14.0 -38.4 178 9 347.1 347.1 296.1 347.6 0.13 47 258 10804 -37.7 -47.7 34 10.0 -38.5 177 10 346.9 346.9 296.1 347.7 0.20 48 256 10858 -37.9 -58.9 9 21.0 -39.1 175 10 347.4 347.4 296.1 347.6 0.05 49 252 10966 -38.7 -48.7 34 10.0 -39.5 172 11 347.7 347.8 296.3 348.5 0.18 50 250 11020 -39.3 -49.3 34 10.0 -40.1 170 11 347.6 347.7 296.3 348.3 0.17 51 234 11471 -43.1 -46.9 66 3.8 -43.4 203 9 348.5 348.6 296.5 349.5 0.24 52 204 12381 -51.1 -55.4 60 4.3 -51.2 270 6 349.9 349.9 296.7 350.3 0.10 53 200 12510 -51.9 -55.7 64 3.8 -52.0 280 5 350.6 350.6 296.8 351.0 0.10 54 150 14310 -66.3 -73.3 37 7.0 -66.4 260 7 355.9 355.9 297.9 355.9 0.01 55 145 14514 -67.7 -75.7 31 8.0 -67.8 251 7 356.9 356.9 298.1 356.9 0.01 56 138 14808 -70.7 -76.7 41 6.0 -70.7 238 7 356.7 356.7 298.1 356.7 0.01 57 100 16660 -81.7 -87.7 35 6.0 -81.7 155 7 369.9 369.9 300.5 369.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5816.00 m Freezing level: 546.93 mb = 5199.88 m = 17059.76 ft Wetbulb zero: 670.57 mb = 3523.46 m = 11559.75 ft Precipitable water: 1.62 inches Sfc-500 mean rel hum: 40.02 % Est. max temperature: 37.01 C = 98.61 F Sfc-Lift cond lev (LCL): 962.07 mb = 425.29 m = 1395.29 ft T: 25.27 C 700-500 lapse rate: 6.27 C/km ThetaE index: 26.15 C Layer 746.0- 700.0 mb Conv cond level (CCL): 782.59 mb = 2228.21 m = 7310.31 ft Mean mixing ratio: 16.11 g/kg Conv temperature: 39.24 C = 102.63 F Cap Strength: 5.90 C Lifted Index: -1.99 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.16 C Lifted Index @700 mb: 1.57 C Showalter Index: 1.82 C Risk: Showers probable Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 27.30 C Cross Totals Index: 16.30 C K Index: 15.70 Risk: < 20 % chance of thunderstorms Sweat Index: 163.80 Risk: None Energy Index: -1.53 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 296.00 J/kg Max Up Vert Vel: 24.33 m/s Conv Inhibition (B-): 301.56 J/kg Cap Strength: 5.90 C Lift Cond Lev (LCL): 891.51 mb = 1098.15 m = 3602.81 ft Lev Free Conv (LFC): 576.51 mb = 4763.56 m = 15628.28 ft Equ Level (EL): 226.51 mb = 11686.52 m = 38341.14 ft B at Equ Level: 295.66 J/kg Max Parcel Lev (MPL): 136.51 mb = 14870.82 m = 48788.19 ft Wind level data Storm motion: 196 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 7 200 1 0.3 0.9 | 16 7 -1.8 -6.4 1 1000 84 200 5 1.7 4.7 | 10 3 -0.5 -2.6 2 925 773 175 9 -0.8 9.0 | 119 3 -2.9 1.6 3 850 1516 190 9 1.6 8.9 | 159 2 -0.6 1.5 4 700 3171 150 13 -6.5 11.3 | 114 10 -8.7 3.9 5 500 5900 175 9 -0.8 9.0 | 119 3 -2.9 1.6 6 400 7630 160 11 -3.8 10.3 | 117 7 -5.9 3.0 7 300 9750 210 3 1.5 2.6 | 8 5 -0.7 -4.7 8 250 11020 170 11 -1.9 10.8 | 131 5 -4.1 3.5 9 200 12510 280 5 4.9 -0.9 | 341 9 2.8 -8.2 10 150 14310 260 7 6.9 1.2 | 322 8 4.7 -6.1 11 100 16660 155 7 -3.0 6.3 | 79 5 -5.1 -1.0 Wind Parameters Mean winds (0-6000m): 166.4 at 10.2 knts Storm direction: 196.4 at 7.6 knts Shear (0-3000m) pos: 0.3 neg: 2.2 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 101.5 deg Storm rel helicity (0-3000m) pos: 2.4 neg: -4.8 tot: -2.4 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 71.89 Bulk Shear: 4.12 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 ------------------------------------------------------------------------------- 500 192 6 30 2| 0.0 6.7 6.7| 0.9 -0.4 0.5 1.0 0.26| 7.2 1.9 1000 183 7 84 2| 0.0 4.2 4.2| 1.8 -0.4 1.4 1.4 0.33| 5.0 1.6 1500 183 8 104 2| 0.5 2.8 3.3| 2.4 -0.4 2.0 1.4 0.39| 3.8 1.5 2000 183 8 117 2| 0.4 2.5 2.9| 2.4 -1.0 1.4 0.7 0.26| 3.5 0.9 2500 180 9 123 3| 0.3 2.3 2.6| 2.4 -2.3 0.1 0.0 0.15| 3.3 0.5 3000 175 9 123 4| 0.3 2.2 2.5| 2.4 -4.8 -2.4 -0.8 0.06| 3.2 0.2 4000 168 10 121 5| 0.4 1.6 2.0| 3.6 -5.9 -2.2 -0.6 0.06| 2.8 0.2 5000 166 10 120 5| 0.5 1.3 1.8| 4.2 -5.9 -1.7 -0.3 0.07| 2.5 0.2 6000 166 10 119 5| 0.6 1.1 1.7| 4.2 -6.0 -1.8 -0.3 0.06| 2.2 0.1 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250420.00.gif