UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 18 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 1006 7 26.4 23.8 86 2.6 24.5 0 0 299.0 302.5 297.4 353.8 18.76 1 1000 57 25.8 23.9 89 1.9 24.4 0 0 299.0 302.4 297.5 354.4 19.00 2 988 164 25.2 23.7 91 1.5 24.1 334 0 299.4 302.8 297.7 354.9 19.00 3 977 263 28.8 21.8 66 7.0 23.7 309 0 304.0 307.1 297.7 354.8 17.07 4 973 300 28.8 21.8 66 7.0 23.7 300 0 304.3 307.5 297.8 355.4 17.14 5 943 579 26.4 21.5 74 4.9 22.8 232 1 304.6 307.8 298.0 356.5 17.37 6 925 750 26.2 21.2 74 5.0 22.6 190 1 306.1 309.3 298.4 358.3 17.39 7 889 1101 25.4 16.4 57 9.0 19.1 181 3 308.8 311.3 296.4 349.1 13.31 8 850 1494 22.4 17.7 75 4.7 19.1 170 5 309.6 312.5 297.8 355.8 15.16 9 820 1806 19.8 18.5 92 1.3 18.9 172 6 310.1 313.2 298.8 360.6 16.57 10 771 2336 16.4 14.9 91 1.5 15.4 175 7 311.9 314.6 297.7 354.8 13.96 11 725 2859 13.2 9.3 77 3.9 10.7 178 8 313.9 315.9 295.7 345.6 10.20 12 722 2894 13.4 6.4 63 7.0 9.1 178 8 314.5 316.1 294.5 340.7 8.38 13 704 3107 11.8 8.4 80 3.4 9.6 180 9 315.0 316.9 295.7 345.9 9.88 14 700 3155 11.8 5.8 67 6.0 8.2 180 9 315.6 317.1 294.7 341.6 8.29 15 658 3670 8.4 1.4 61 7.0 4.5 180 9 317.4 318.6 293.8 337.9 6.45 16 637 3938 7.6 -10.4 27 18.0 -0.4 180 9 319.4 319.9 291.3 328.4 2.72 17 603 4388 4.0 -2.0 65 6.0 0.8 180 9 320.3 321.4 293.8 338.0 5.49 18 566 4901 1.0 -9.0 47 10.0 -3.6 180 9 322.6 323.3 292.8 334.0 3.42 19 549 5146 -0.5 -4.7 73 4.2 -2.6 180 9 323.7 324.6 294.3 339.8 4.92 20 544 5219 -0.9 -3.6 82 2.7 -2.3 180 9 324.0 325.1 294.7 341.7 5.40 21 511 5718 -2.9 -10.9 54 8.0 -6.4 180 9 327.5 328.1 293.9 338.5 3.26 22 500 5890 -4.3 -9.3 68 5.0 -6.5 180 9 327.8 328.6 294.4 340.5 3.78 23 481 6195 -5.7 -11.7 63 6.0 -8.3 188 10 329.7 330.4 294.5 340.8 3.25 24 465 6460 -7.1 -25.1 22 18.0 -12.5 195 12 331.2 331.4 293.1 335.0 1.07 25 455 6629 -8.1 -17.1 48 9.0 -11.4 199 12 332.0 332.4 294.3 339.7 2.20 26 444 6819 -8.9 -32.9 12 24.0 -14.7 204 13 333.3 333.4 293.2 335.4 0.54 27 441 6872 -9.5 -21.5 37 12.0 -13.4 205 14 333.2 333.5 294.0 338.8 1.56 28 420 7248 -12.1 -22.1 43 10.0 -15.3 215 15 334.6 334.9 294.3 340.1 1.55 29 418 7284 -11.9 -32.9 16 21.0 -16.8 216 15 335.3 335.4 293.7 337.4 0.57 30 414 7358 -12.5 -37.5 10 25.0 -17.6 218 16 335.4 335.5 293.5 336.8 0.37 31 402 7582 -14.3 -21.3 55 7.0 -16.5 224 17 335.9 336.3 294.8 342.2 1.74 32 400 7620 -14.3 -31.3 22 17.0 -18.3 225 17 336.4 336.5 294.1 339.0 0.70 33 398 7658 -14.5 -33.5 18 19.0 -18.7 225 17 336.6 336.7 294.0 338.8 0.57 34 392 7773 -15.3 -22.3 55 7.0 -17.4 226 17 337.0 337.4 295.0 342.9 1.63 35 382 7967 -16.3 -43.3 8 27.0 -20.8 227 17 338.2 338.3 294.1 339.1 0.22 36 381 7987 -16.3 -38.3 13 22.0 -20.5 228 17 338.5 338.6 294.3 339.9 0.37 37 379 8026 -16.7 -20.8 70 4.1 -18.0 228 17 338.5 338.9 295.6 345.4 1.92 38 372 8166 -17.7 -20.9 76 3.2 -18.7 229 17 338.9 339.3 295.7 346.0 1.94 39 354 8534 -20.1 -43.1 11 23.0 -23.7 231 17 340.6 340.6 294.7 341.5 0.24 40 347 8682 -21.1 -41.1 15 20.0 -24.4 232 17 341.2 341.2 294.9 342.4 0.30 41 345 8725 -21.5 -31.5 40 10.0 -23.7 233 17 341.2 341.3 295.3 344.2 0.80 42 336 8919 -22.3 -33.3 36 11.0 -24.5 234 17 342.7 342.8 295.6 345.3 0.69 43 335 8941 -22.3 -41.3 16 19.0 -25.3 234 17 343.0 343.0 295.3 344.2 0.31 44 333 8984 -23.1 -31.1 48 8.0 -24.8 235 17 342.5 342.6 295.7 345.7 0.86 45 323 9207 -24.1 -42.1 17 18.0 -26.8 236 17 344.1 344.1 295.6 345.2 0.29 46 307 9575 -27.3 -31.8 66 4.5 -28.2 239 17 344.6 344.8 296.2 347.9 0.87 47 300 9740 -28.7 -33.7 62 5.0 -29.6 240 17 344.9 345.1 296.1 347.8 0.74 48 296 9836 -29.3 -37.3 46 8.0 -30.6 241 17 345.4 345.5 296.1 347.5 0.52 49 277 10307 -33.1 -36.0 75 2.9 -33.6 244 16 346.5 346.7 296.4 349.0 0.64 50 264 10644 -35.9 -40.4 63 4.5 -36.4 247 16 347.2 347.3 296.4 348.9 0.43 51 263 10670 -36.3 -46.3 35 10.0 -37.2 247 16 347.0 347.1 296.2 348.0 0.23 52 259 10776 -37.3 -38.6 88 1.3 -37.5 248 15 347.1 347.2 296.4 349.2 0.52 53 254 10911 -38.3 -47.3 38 9.0 -39.1 249 15 347.5 347.6 296.3 348.4 0.21 54 252 10965 -38.9 -46.9 43 8.0 -39.6 250 15 347.4 347.5 296.3 348.4 0.22 55 250 11020 -39.1 -45.1 53 6.0 -39.6 250 15 347.9 348.0 296.4 349.0 0.27 56 248 11075 -39.7 -40.6 91 0.9 -39.8 251 15 347.8 347.9 296.5 349.6 0.45 57 200 12510 -51.1 -56.0 56 4.9 -51.3 265 23 351.8 351.9 297.1 352.3 0.10 58 150 14310 -66.7 -71.4 51 4.7 -66.7 255 23 355.2 355.2 297.7 355.3 0.02 59 100 16660 -81.3 -85.1 52 3.8 -81.3 90 1 370.6 370.6 300.7 370.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5833.00 m Freezing level: 554.67 mb = 5064.15 m = 16614.46 ft Wetbulb zero: 638.69 mb = 3916.41 m = 12848.95 ft Precipitable water: 2.31 inches Sfc-500 mean rel hum: 68.44 % Est. max temperature: 36.86 C = 98.35 F Sfc-Lift cond lev (LCL): 969.13 mb = 335.60 m = 1101.03 ft T: 28.49 C 700-500 lapse rate: 5.89 C/km ThetaE index: 19.90 C Layer 771.0- 704.0 mb Conv cond level (CCL): 810.24 mb = 1909.32 m = 6264.10 ft Mean mixing ratio: 17.45 g/kg Conv temperature: 37.80 C = 100.04 F Cap Strength: 4.76 C Lifted Index: -3.35 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.41 C Lifted Index @700 mb: -0.35 C Showalter Index: -3.32 C Risk: Severe thunderstorms possible Total Totals Index: 48.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 22.00 C K Index: 38.40 Risk: > 80 % chance of thunderstorms Sweat Index: 231.40 Risk: None Energy Index: -2.98 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1184.88 J/kg Max Up Vert Vel: 48.68 m/s Conv Inhibition (B-): 162.87 J/kg Cap Strength: 4.73 C Lift Cond Lev (LCL): 889.20 mb = 1098.58 m = 3604.22 ft Lev Free Conv (LFC): 734.20 mb = 2752.02 m = 9028.83 ft Equ Level (EL): 144.20 mb = 14538.75 m = 47698.73 ft B at Equ Level: 1173.96 J/kg Wind level data Storm motion: 209 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 1006 7 0 0 -0.0 -0.0 | 29 5 -2.4 -4.4 1 1000 57 0 0 -0.0 -0.0 | 29 5 -2.4 -4.4 2 925 750 190 1 0.2 1.0 | 33 4 -2.3 -3.4 3 850 1494 170 5 -0.9 4.9 | 98 3 -3.3 0.5 4 700 3155 180 9 0.0 9.0 | 152 5 -2.4 4.6 5 500 5890 180 9 0.0 9.0 | 152 5 -2.4 4.6 6 400 7620 225 17 12.0 12.0 | 232 12 9.6 7.6 7 300 9740 240 17 14.7 8.5 | 252 13 12.3 4.1 8 250 11020 250 15 14.1 5.1 | 267 12 11.7 0.7 9 200 12510 265 23 22.9 2.0 | 277 21 20.5 -2.4 10 150 14310 255 23 22.2 6.0 | 266 20 19.8 1.5 11 100 16660 90 1 -1.0 0.0 | 38 6 -3.4 -4.4 Wind Parameters Mean winds (0-6000m): 178.8 at 6.7 knts Storm direction: 208.8 at 5.1 knts Shear (0-3000m) pos: 0.6 neg: 0.9 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 119.8 deg Storm rel helicity (0-3000m) pos: 7.2 neg: -0.6 tot: 6.5 m^2/s^2 ave: 2.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 1.7 stream: 1.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 202.29 Bulk Shear: 5.86 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 ------------------------------------------------------------------------------- 500 250 0 27 5| 0.0 0.7 0.7| 0.0 -0.6 -0.6 -1.3 -0.51| 1.0 -0.5 1000 187 1 33 4| 0.0 1.2 1.2| 1.7 -0.6 1.0 1.0 0.37| 1.6 0.6 1500 175 2 44 4| 0.0 1.7 1.7| 3.7 -0.6 3.0 2.0 0.63| 2.0 1.3 2000 174 3 57 3| 0.3 1.3 1.6| 4.8 -0.6 4.1 2.1 0.69| 1.9 1.3 2500 174 4 72 3| 0.5 1.0 1.5| 5.9 -0.6 5.3 2.1 0.72| 1.7 1.3 3000 176 4 88 3| 0.6 0.9 1.5| 7.2 -0.6 6.5 2.2 0.73| 1.7 1.2 4000 178 5 111 3| 0.5 0.6 1.2| 7.6 -0.6 6.9 1.7 0.73| 1.3 1.0 5000 178 6 124 3| 0.4 0.5 0.9| 7.6 -0.6 6.9 1.4 0.73| 1.0 0.8 6000 179 7 132 3| 0.4 0.4 0.8| 8.5 -0.6 7.9 1.3 0.75| 0.9 0.7 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250418.12.gif