UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050812.upa.cvt Date: 1200Z 8 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 8 MAY 25 Station: VTBC WMO ident: 48480 Latitude: 12.60 Longitude: 102.12 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1005 4 30.0 26.0 79 4.0 27.0 185 5 302.7 306.7 299.9 366.7 21.51 1 1000 50 29.8 25.6 78 4.2 26.6 185 5 303.0 306.8 299.8 365.7 21.09 2 935 647 24.4 22.9 91 1.5 23.3 207 6 303.3 306.9 298.7 360.2 19.13 3 925 742 24.0 21.4 85 2.6 22.1 210 6 303.8 307.1 298.0 356.3 17.61 4 909 895 22.8 20.7 88 2.1 21.3 216 6 304.1 307.3 297.7 355.2 17.15 5 850 1480 20.2 16.9 81 3.3 17.9 240 7 307.3 310.0 296.8 350.7 14.40 6 788 2132 17.2 13.3 78 3.9 14.6 244 7 310.8 313.1 296.3 348.4 12.28 7 721 2888 13.8 6.8 63 7.0 9.5 248 6 315.1 316.7 294.8 342.1 8.63 8 707 3053 13.2 7.2 67 6.0 9.5 249 6 316.2 317.9 295.4 344.6 9.05 9 700 3137 12.4 8.0 74 4.4 9.6 250 6 316.2 318.1 295.8 346.5 9.67 10 630 4013 7.2 3.1 75 4.1 4.8 248 2 320.0 321.4 295.3 344.3 7.62 11 594 4495 4.8 -7.2 41 12.0 -1.0 216 1 322.6 323.3 293.0 335.0 3.75 12 588 4578 4.2 -2.8 60 7.0 0.5 211 1 322.8 323.9 294.4 340.2 5.30 13 579 4703 3.6 -7.4 44 11.0 -1.7 157 1 323.6 324.3 293.3 336.1 3.79 14 574 4774 3.0 -2.0 70 5.0 0.3 123 1 323.7 324.8 294.9 342.5 5.76 15 558 5002 1.2 -1.4 83 2.6 -0.2 68 2 324.2 325.4 295.4 344.4 6.20 16 554 5060 1.0 -6.0 59 7.0 -2.4 69 2 324.6 325.5 294.1 339.2 4.41 17 548 5148 0.4 -5.6 64 6.0 -2.6 71 2 324.9 325.8 294.3 340.1 4.60 18 541 5251 0.0 -6.0 64 6.0 -3.0 74 3 325.6 326.5 294.4 340.6 4.52 19 539 5280 0.2 -12.8 37 13.0 -5.3 75 3 326.2 326.7 293.1 335.2 2.65 20 536 5325 0.0 -8.0 55 8.0 -3.8 76 3 326.5 327.3 294.2 339.6 3.91 21 520 5568 -0.9 -12.9 40 12.0 -6.0 78 4 328.2 328.8 293.7 337.6 2.72 22 501 5864 -3.1 -8.1 68 5.0 -5.5 70 6 329.1 329.9 295.1 343.1 4.15 23 500 5880 -3.1 -9.1 63 6.0 -5.9 70 6 329.3 330.0 294.8 342.3 3.84 24 486 6105 -4.5 -8.5 74 4.0 -6.4 70 5 330.2 331.1 295.3 344.3 4.15 25 475 6286 -5.5 -14.5 49 9.0 -9.1 75 5 331.2 331.7 294.4 340.2 2.62 26 468 6402 -6.3 -9.4 79 3.1 -7.7 79 5 331.6 332.4 295.6 345.2 4.01 27 458 6572 -6.9 -12.9 62 6.0 -9.4 84 4 332.9 333.5 295.2 343.6 3.10 28 456 6606 -7.3 -10.1 80 2.8 -8.6 85 4 332.8 333.6 295.8 346.1 3.90 29 437 6938 -9.1 -15.1 62 6.0 -11.5 95 4 334.6 335.1 295.3 344.1 2.71 30 432 7027 -9.3 -23.3 31 14.0 -13.7 97 4 335.4 335.7 294.4 340.3 1.35 31 424 7172 -9.9 -19.9 44 10.0 -13.3 102 4 336.5 336.8 295.1 343.1 1.86 32 415 7337 -11.3 -18.3 56 7.0 -13.8 107 3 336.7 337.2 295.4 344.5 2.18 33 410 7431 -11.7 -28.7 23 17.0 -16.2 109 3 337.4 337.6 294.5 340.6 0.87 34 401 7601 -12.7 -30.7 21 18.0 -17.2 114 3 338.2 338.4 294.6 341.0 0.74 35 400 7620 -12.9 -26.9 30 14.0 -16.8 115 3 338.2 338.4 294.8 342.1 1.06 36 397 7677 -13.5 -21.5 51 8.0 -16.1 115 3 338.2 338.5 295.4 344.4 1.73 37 389 7831 -14.5 -27.5 32 13.0 -18.0 114 3 338.8 339.0 295.0 342.7 1.03 38 386 7889 -15.1 -21.1 60 6.0 -17.0 114 3 338.8 339.2 295.6 345.5 1.84 39 368 8247 -17.5 -34.5 21 17.0 -21.1 113 3 340.3 340.4 294.9 342.4 0.56 40 330 9051 -22.7 -43.7 13 21.0 -25.8 110 4 343.9 343.9 295.5 344.9 0.24 41 320 9275 -24.5 -42.5 17 18.0 -27.1 110 4 344.4 344.5 295.6 345.6 0.28 42 316 9367 -25.5 -34.5 43 9.0 -27.2 110 4 344.3 344.4 295.9 346.8 0.65 43 305 9622 -27.3 -48.3 12 21.0 -29.7 110 5 345.3 345.3 295.7 345.9 0.16 44 300 9740 -28.3 -46.3 16 18.0 -30.4 110 5 345.5 345.5 295.8 346.3 0.20 45 297 9813 -28.9 -45.9 18 17.0 -30.9 104 5 345.6 345.7 295.8 346.5 0.21 46 288 10034 -30.3 -35.2 62 4.9 -31.1 87 5 346.7 346.8 296.5 349.3 0.66 47 285 10109 -30.9 -45.9 22 15.0 -32.6 81 5 346.9 346.9 296.1 347.8 0.22 48 263 10677 -35.5 -37.1 85 1.6 -35.7 35 6 348.2 348.3 296.8 350.6 0.60 49 253 10947 -37.7 -44.7 48 7.0 -38.4 8 10 348.8 348.9 296.6 350.0 0.28 50 250 11030 -38.3 -44.3 53 6.0 -38.9 360 11 349.1 349.2 296.7 350.3 0.30 51 240 11309 -40.9 -45.3 62 4.4 -41.3 6 11 349.3 349.4 296.7 350.5 0.28 52 239 11337 -41.3 -46.3 58 5.0 -41.7 7 11 349.1 349.2 296.7 350.2 0.25 53 231 11567 -42.7 -53.7 29 11.0 -43.3 12 12 350.4 350.4 296.8 350.9 0.11 54 226 11714 -43.9 -49.9 51 6.0 -44.3 15 12 350.8 350.8 297.0 351.5 0.18 55 211 12170 -48.1 -51.8 65 3.7 -48.3 26 13 351.2 351.2 297.0 351.8 0.15 56 209 12233 -48.5 -54.5 50 6.0 -48.8 27 13 351.5 351.5 297.1 352.0 0.11 57 202 12455 -50.5 -53.1 74 2.6 -50.6 33 13 351.8 351.8 297.1 352.4 0.14 58 200 12520 -50.9 -54.1 69 3.2 -51.0 34 13 352.2 352.2 297.2 352.7 0.12 TRP WND Sounding variables and indices 1000-500 mb thick: 5830.00 m Freezing level: 536.00 mb = 5325.26 m = 17471.10 ft Wetbulb zero: 600.12 mb = 4410.94 m = 14471.40 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 71.31 % Est. max temperature: 34.32 C = 93.77 F Sfc-Lift cond lev (LCL): 949.11 mb = 514.27 m = 1687.21 ft T: 25.60 C 700-500 lapse rate: 5.65 C/km ThetaE index: 24.61 C Layer 1000.0- 707.0 mb Conv cond level (CCL): 904.62 mb = 937.20 m = 3074.75 ft Mean mixing ratio: 19.41 g/kg Conv temperature: 31.65 C = 88.97 F Cap Strength: 0.60 C Lifted Index: -3.82 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.59 C Lifted Index @700 mb: -1.04 C Showalter Index: -0.42 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.00 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 222.80 Risk: None Energy Index: -1.66 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1548.80 J/kg Max Up Vert Vel: 55.66 m/s Conv Inhibition (B-): 5.05 J/kg Cap Strength: 0.60 C Lift Cond Lev (LCL): 918.20 mb = 806.79 m = 2646.92 ft Lev Free Conv (LFC): 853.20 mb = 1447.30 m = 4748.29 ft Wind level data Storm motion: 270 at 4 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 1000 50 185 5 0.4 5.0 | 145 6 -3.4 5.0 1 925 742 210 6 3.0 5.2 | 171 5 -0.9 5.2 2 850 1480 240 7 6.1 3.5 | 212 4 2.2 3.5 3 700 3137 250 6 5.6 2.1 | 221 3 1.8 2.0 4 991 305 200 6 2.1 5.6 | 162 6 -1.8 5.6 5 954 610 210 6 3.0 5.2 | 171 5 -0.9 5.2 6 919 914 220 6 3.9 4.6 | 180 5 -0.0 4.6 7 853 1524 240 7 6.1 3.5 | 212 4 2.2 3.5 8 792 2134 250 8 7.5 2.7 | 233 5 3.7 2.7 9 708 3048 240 7 6.1 3.5 | 212 4 2.2 3.5 10 657 3658 270 3 3.0 -0.0 | 89 1 -0.9 -0.0 11 587 4572 210 1 0.5 0.9 | 104 3 -3.4 0.9 12 565 4877 65 1 -0.9 -0.4 | 85 5 -4.8 -0.4 13 525 5486 80 4 -3.9 -0.7 | 85 8 -7.8 -0.7 14 500 5880 70 6 -5.6 -2.1 | 78 10 -9.5 -2.1 15 486 6096 70 5 -4.7 -1.7 | 79 9 -8.6 -1.7 16 400 7620 115 3 -2.7 1.3 | 101 7 -6.6 1.3 17 400 7620 115 3 -2.7 1.3 | 101 7 -6.6 1.3 18 325 9144 110 4 -3.8 1.4 | 100 8 -7.6 1.4 19 300 9740 110 5 -4.7 1.7 | 101 9 -8.6 1.7 20 263 10668 35 6 -3.4 -4.9 | 56 9 -7.3 -4.9 21 250 11030 360 11 -0.0 -11.0 | 19 12 -3.9 -11.0 22 97 16459 145 20 -11.5 16.4 | 137 22 -15.3 16.4 Wind Parameters Mean winds (0-6000m): 239.8 at 5.1 knts Storm direction: 269.8 at 3.9 knts Storm rel Dir Shear (0-3000m): 175.4 deg Energy-Hel index: 0.08 Bulk Rich Number: 736.89 Bulk Shear: 2.10 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 ------------------------------------------------------------------------------- 500 194 5 153 6| | | 1000 204 6 163 5| | | 1500 215 6 175 5| | | 2000 222 6 184 5| | | 2500 227 6 190 4| | | 3000 231 6 195 4| | | 4000 242 6 212 4| | | 5000 242 5 200 3| | | 6000 240 5 193 3| | | Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250508.12.gif