UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061312.upa.cvt Date: 1200Z 13 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 13 JUN 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -4 350 5 SFC 999 6 31.6 22.6 59 9.0 25.0 350 5 304.8 308.1 298.1 357.2 17.54 2 925 693 26.2 21.2 74 5.0 22.6 5 21 306.1 309.3 298.4 358.3 17.39 3 861 1322 21.0 19.3 90 1.7 19.8 30 21 307.0 310.1 298.1 357.0 16.59 4 850 1434 20.6 18.2 86 2.4 18.9 35 21 307.7 310.7 297.7 355.1 15.66 5 764 2352 16.2 10.2 68 6.0 12.3 40 23 312.5 314.5 295.3 344.2 10.29 6 743 2589 14.6 12.2 86 2.4 13.0 42 24 313.3 315.6 296.8 350.7 12.11 7 722 2833 14.4 9.4 72 5.0 11.2 43 24 315.6 317.6 296.1 347.8 10.32 8 700 3094 12.2 8.3 77 3.9 9.7 45 25 316.0 317.9 296.0 346.9 9.87 9 677 3373 10.0 9.6 97 0.4 9.7 42 24 316.6 318.7 297.0 351.5 11.17 10 667 3497 10.8 6.0 72 4.8 7.8 40 24 318.8 320.5 295.9 346.8 8.83 11 644 3789 8.4 6.2 86 2.2 7.1 36 23 319.3 321.1 296.4 348.8 9.28 12 516 5597 0.6 -5.4 64 6.0 -2.5 13 18 330.8 331.8 296.1 347.5 4.96 13 500 5850 -0.9 -6.9 64 6.0 -3.9 10 17 331.9 332.9 296.1 347.4 4.56 14 479 6191 -2.9 -7.2 72 4.3 -5.0 19 15 333.6 334.5 296.5 349.5 4.66 15 459 6529 -4.3 -13.3 49 9.0 -8.2 27 12 335.9 336.5 295.8 346.4 2.99 16 439 6878 -7.3 -11.5 72 4.2 -9.2 36 10 336.4 337.2 296.4 349.0 3.62 17 417 7278 -8.1 -18.1 44 10.0 -11.9 47 7 340.4 340.8 296.3 348.3 2.21 18 400 7600 -10.7 -18.7 52 8.0 -13.6 55 5 341.1 341.5 296.4 349.0 2.19 19 368 8235 -15.3 -19.4 71 4.1 -16.7 43 5 343.2 343.7 296.9 351.3 2.24 20 359 8421 -16.3 -22.3 60 6.0 -18.2 40 5 344.3 344.7 296.8 350.9 1.78 21 355 8506 -15.9 -32.9 22 17.0 -19.9 38 5 345.9 346.1 296.3 348.6 0.68 22 354 8527 -15.9 -26.9 38 11.0 -19.0 38 5 346.2 346.5 296.8 350.7 1.19 23 352 8570 -15.9 -30.9 26 15.0 -19.7 37 5 346.8 346.9 296.6 350.0 0.83 24 347 8677 -17.1 -30.1 31 13.0 -20.4 35 5 346.6 346.8 296.7 350.0 0.90 25 344 8742 -17.7 -23.7 59 6.0 -19.6 34 5 346.6 347.0 297.2 352.8 1.64 26 325 9164 -21.1 -32.1 37 11.0 -23.6 26 5 347.6 347.8 296.8 350.7 0.80 27 310 9511 -23.7 -29.7 58 6.0 -25.1 20 5 348.7 348.9 297.2 352.7 1.05 28 305 9630 -23.9 -35.9 32 12.0 -26.2 17 5 350.0 350.2 297.1 352.4 0.59 29 304 9654 -24.1 -34.1 39 10.0 -26.1 17 5 350.1 350.2 297.3 352.9 0.70 30 300 9750 -24.7 -35.7 35 11.0 -26.8 15 5 350.6 350.7 297.3 353.0 0.61 31 285 10121 -27.9 -35.9 46 8.0 -29.3 5 7 351.2 351.3 297.4 353.7 0.63 32 250 11050 -34.9 -47.9 25 13.0 -36.2 340 11 354.2 354.2 297.7 355.0 0.20 33 235 11479 -38.9 -44.9 53 6.0 -39.5 4 12 354.4 354.5 297.8 355.7 0.30 34 226 11747 -40.5 -44.8 63 4.3 -40.9 18 13 356.0 356.0 298.1 357.3 0.31 35 200 12570 -47.3 -50.3 71 3.0 -47.5 65 15 357.9 357.9 298.4 358.7 0.19 36 194 12770 -49.1 -51.6 75 2.5 -49.3 79 14 358.1 358.2 298.5 358.9 0.17 37 169 13657 -56.7 -61.5 55 4.8 -56.8 144 10 359.9 359.9 298.7 360.2 0.06 38 153 14278 -62.3 -64.4 76 2.1 -62.3 191 8 360.7 360.7 298.9 360.9 0.04 39 150 14400 -63.1 -65.9 69 2.8 -63.1 200 7 361.4 361.4 299.0 361.5 0.04 40 145 14607 -65.1 -69.9 51 4.8 -65.1 189 9 361.4 361.4 299.0 361.5 0.02 41 110 16238 -78.1 -83.0 45 4.9 -78.1 101 22 366.7 366.7 299.9 366.7 0.00 42 102 16668 -79.1 -85.1 37 6.0 -79.1 76 26 372.8 372.8 301.1 372.8 0.00 43 100 16780 -79.5 -85.5 36 6.0 -79.5 70 27 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5854.00 m Freezing level: 509.60 mb = 5698.41 m = 18695.35 ft Wetbulb zero: 549.50 mb = 5084.02 m = 16679.65 ft Precipitable water: 2.53 inches Sfc-500 mean rel hum: 76.02 % Est. max temperature: 34.54 C = 94.17 F Sfc-Lift cond lev (LCL): 877.54 mb = 1155.29 m = 3790.28 ft T: 22.38 C 700-500 lapse rate: 4.75 C/km ThetaE index: 14.06 C Layer 861.0- 743.0 mb Conv cond level (CCL): 825.48 mb = 1685.94 m = 5531.23 ft Mean mixing ratio: 17.40 g/kg Conv temperature: 35.80 C = 96.44 F Cap Strength: 1.21 C Lifted Index: -0.63 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.43 C Lifted Index @700 mb: -0.48 C Showalter Index: 0.31 C Risk: Thunderstorms probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.10 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 277.40 Risk: None Energy Index: -1.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 250.31 J/kg Max Up Vert Vel: 22.37 m/s Conv Inhibition (B-): 44.34 J/kg Cap Strength: 1.21 C Lift Cond Lev (LCL): 865.73 mb = 1274.18 m = 4180.34 ft Lev Free Conv (LFC): 740.73 mb = 2615.24 m = 8580.09 ft Equ Level (EL): 730.73 mb = 2730.58 m = 8958.50 ft B at Equ Level: 3.95 J/kg Max Parcel Lev (MPL): 130.73 mb = 15218.83 m = 49929.92 ft Wind level data Storm motion: 60 at 15 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 ---------------------------------------------------------- 0 999 6 350 5 0.9 -4.9 | 259 15 14.3 2.7 1 925 693 5 21 -1.8 -20.9 | 319 18 11.6 -13.3 2 850 1434 35 21 -12.0 -17.2 | 352 10 1.3 -9.5 3 700 3094 45 25 -17.7 -17.7 | 23 11 -4.3 -10.0 4 500 5850 10 17 -3.0 -16.7 | 311 14 10.4 -9.1 5 400 7600 55 5 -4.1 -2.9 | 243 10 9.3 4.8 6 300 9750 15 5 -1.3 -4.8 | 257 12 12.1 2.8 7 250 11050 340 11 3.8 -10.3 | 279 17 17.2 -2.7 8 200 12570 65 15 -13.6 -6.3 | 171 1 -0.2 1.3 9 150 14400 200 7 2.4 6.6 | 228 21 15.8 14.2 10 100 16780 70 27 -25.4 -9.2 | 82 12 -12.0 -1.6 Wind Parameters Mean winds (0-6000m): 30.3 at 20.6 knts Storm direction: 60.3 at 15.4 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 122.4 deg Storm rel helicity (0-3000m) pos: 105.3 neg: 0.0 tot: 105.3 m^2/s^2 ave: 35.1 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.9 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 12.50 Bulk Shear: 20.03 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 1 11 283 13| 12.1 0.0 12.1| 45.6 0.0 45.6 91.2 0.99| 12.2 12.0 1000 6 15 303 14| 8.6 0.0 8.6| 77.5 0.0 77.5 77.5 0.91| 10.8 9.8 1500 15 17 315 13| 6.2 0.0 6.2| 92.0 0.0 92.0 61.3 0.86| 9.4 8.1 2000 21 18 325 12| 5.0 0.0 5.0| 96.2 0.0 96.2 48.1 0.87| 7.5 6.5 2500 26 19 333 11| 4.3 0.0 4.3|100.7 0.0 100.7 40.3 0.88| 6.3 5.6 3000 30 20 341 10| 3.8 0.0 3.8|105.3 0.0 105.3 35.1 0.88| 5.6 4.9 4000 33 21 349 10| 2.9 0.7 3.5|105.9 -15.5 90.5 22.6 0.62| 4.9 3.0 5000 32 21 348 10| 2.3 1.1 3.4|105.9 -31.8 74.2 14.8 0.42| 4.5 1.9 6000 30 21 343 11| 1.9 1.2 3.1|105.9 -46.8 59.2 9.9 0.28| 4.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250613.12.gif