UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051400.upa.cvt Date: 0000Z 14 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 14 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 1007 4 25.0 24.0 94 1.0 24.3 20 3 297.6 301.0 297.2 352.6 18.98 1 1000 67 25.8 24.2 91 1.6 24.6 100 2 299.0 302.5 297.8 355.5 19.35 2 982 228 27.4 23.8 81 3.6 24.7 134 5 302.1 305.7 298.5 359.1 19.23 3 925 756 23.0 21.8 93 1.2 22.2 180 7 302.8 306.2 298.0 356.4 18.05 4 917 832 22.6 21.7 95 0.9 22.0 185 7 303.2 306.5 298.1 356.9 18.10 5 850 1493 19.8 15.9 78 3.9 17.1 190 10 306.9 309.4 296.1 347.5 13.49 6 759 2462 15.2 9.2 67 6.0 11.4 177 9 312.0 313.8 294.8 341.8 9.67 7 700 3144 11.0 6.2 72 4.8 8.0 185 8 314.7 316.3 294.6 341.3 8.53 8 569 4845 1.2 -1.4 83 2.6 -0.2 205 8 322.4 323.6 294.8 342.1 6.08 9 541 5251 0.0 -5.0 69 5.0 -2.5 205 7 325.6 326.6 294.7 341.8 4.88 10 536 5326 -0.3 -11.3 43 11.0 -5.1 205 7 326.1 326.7 293.4 336.3 3.01 11 500 5880 -3.7 -11.7 54 8.0 -7.1 200 6 328.5 329.2 294.1 339.2 3.12 12 481 6185 -4.9 -12.9 53 8.0 -8.2 203 6 330.7 331.3 294.5 340.8 2.95 13 400 7610 -14.1 -16.7 81 2.6 -15.0 250 4 336.7 337.2 295.7 345.8 2.59 14 379 8018 -16.7 -18.3 87 1.6 -17.3 232 5 338.5 339.0 296.0 347.0 2.39 15 328 9093 -23.5 -26.6 76 3.1 -24.3 225 7 343.4 343.7 296.3 348.3 1.32 16 300 9740 -28.7 -30.8 82 2.1 -29.1 225 2 344.9 345.1 296.3 348.7 0.98 17 292 9932 -30.3 -32.1 84 1.8 -30.6 222 2 345.3 345.5 296.4 348.7 0.89 18 250 11010 -38.7 -43.1 63 4.4 -39.1 305 2 348.5 348.6 296.6 349.9 0.34 19 246 11121 -39.5 -45.5 53 6.0 -40.1 311 2 348.9 349.0 296.6 350.0 0.27 20 208 12253 -48.9 -53.0 62 4.1 -49.1 6 4 351.4 351.4 297.1 351.9 0.13 21 201 12477 -51.1 -57.1 49 6.0 -51.3 348 6 351.3 351.4 297.0 351.7 0.08 22 200 12510 -51.1 -56.1 55 5.0 -51.3 345 6 351.8 351.9 297.1 352.3 0.10 23 191 12807 -54.1 -57.0 70 2.9 -54.2 350 6 351.7 351.7 297.1 352.1 0.09 24 188 12908 -54.9 -60.9 47 6.0 -55.1 351 6 352.0 352.0 297.1 352.2 0.06 25 176 13326 -58.5 -61.7 66 3.2 -58.6 358 6 352.8 352.8 297.3 353.0 0.05 26 172 13470 -59.9 -63.7 61 3.8 -60.0 1 6 352.8 352.8 297.3 353.0 0.04 27 150 14310 -66.5 -72.5 43 6.0 -66.5 60 3 355.5 355.5 297.8 355.6 0.01 28 122 15534 -74.9 -79.9 46 5.0 -74.9 51 17 361.8 361.8 299.1 361.9 0.01 29 111 16082 -75.3 -84.3 23 9.0 -75.3 83 14 371.0 371.0 300.7 371.0 0.00 30 104 16456 -78.5 -85.5 31 7.0 -78.5 105 11 371.9 371.9 300.9 371.9 0.00 31 100 16680 -77.9 -85.9 26 8.0 -77.9 160 8 377.2 377.2 301.8 377.2 0.00 32 83 17733 -82.7 -88.7 35 6.0 -82.7 110 18 388.1 388.1 303.5 388.1 0.00 33 70 18690 -79.9 -88.9 21 9.0 -79.9 20 15 413.4 413.4 306.9 413.5 0.00 34 63 19285 -79.1 -90.1 15 11.0 -79.1 69 16 427.9 427.9 308.6 427.9 0.00 35 56 19965 -71.7 -90.7 4 19.0 -71.8 105 15 459.4 459.4 311.7 459.4 0.00 36 54 20182 -66.1 -91.1 2 25.0 -66.4 98 14 477.1 477.1 313.2 477.1 0.00 37 51 20529 -64.5 -90.5 2 26.0 -64.8 88 13 488.7 488.7 314.1 488.7 0.00 38 50 20650 -64.7 -89.7 2 25.0 -65.0 85 12 491.0 491.0 314.3 491.0 0.00 39 44 21440 -59.5 -88.5 1 29.0 -60.2 85 9 522.0 522.0 316.4 522.0 0.00 40 38 22353 -61.7 -89.7 1 28.0 -62.3 89 26 538.8 538.8 317.5 538.8 0.00 41 34 23045 -59.5 -89.5 1 30.0 -60.4 92 42 562.0 562.0 318.8 562.0 0.00 TRP 83 17733 -82.7 -88.7 35 6.0 -82.7 110 18 388.1 388.1 303.5 388.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5813.00 m Freezing level: 541.00 mb = 5251.48 m = 17229.05 ft Wetbulb zero: 572.40 mb = 4796.48 m = 15736.29 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 74.90 % Est. max temperature: 33.95 C = 93.11 F Sfc-Lift cond lev (LCL): 992.90 mb = 130.21 m = 427.21 ft T: 26.43 C 700-500 lapse rate: 5.37 C/km ThetaE index: 15.62 C Layer 850.0- 569.0 mb Conv cond level (CCL): 899.20 mb = 1002.82 m = 3290.06 ft Mean mixing ratio: 18.65 g/kg Conv temperature: 31.59 C = 88.86 F Cap Strength: 0.78 C Lifted Index: -3.19 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.05 C Lifted Index @700 mb: -1.47 C Showalter Index: 0.15 C Risk: Thunderstorms probable Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 19.60 C K Index: 34.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 216.80 Risk: None Energy Index: -1.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1428.07 J/kg Max Up Vert Vel: 53.44 m/s Conv Inhibition (B-): 24.60 J/kg Cap Strength: 0.78 C Lift Cond Lev (LCL): 927.56 mb = 731.65 m = 2400.38 ft Lev Free Conv (LFC): 782.56 mb = 2200.58 m = 7219.66 ft Equ Level (EL): 142.56 mb = 14611.60 m = 47937.74 ft B at Equ Level: 1427.79 J/kg Max Parcel Lev (MPL): 82.56 mb = 17762.81 m = 58276.24 ft Wind level data Storm motion: 219 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 4 20 3 -1.0 -2.8 | 32 9 -4.6 -7.3 1 1000 67 100 2 -2.0 0.3 | 54 7 -5.6 -4.1 2 973 305 150 6 -3.0 5.2 | 96 7 -6.6 0.7 3 940 610 170 7 -1.2 6.9 | 117 5 -4.8 2.4 4 925 756 180 7 0.0 7.0 | 125 4 -3.6 2.5 5 908 914 190 7 1.2 6.9 | 135 3 -2.4 2.4 6 850 1493 190 10 1.7 9.8 | 161 6 -1.9 5.4 7 847 1524 190 10 1.7 9.8 | 161 6 -1.9 5.4 8 788 2134 175 10 -0.9 10.0 | 141 7 -4.5 5.5 9 708 3048 180 8 0.0 8.0 | 134 5 -3.6 3.5 10 700 3144 185 8 0.7 8.0 | 140 5 -2.9 3.5 11 657 3658 195 6 1.6 5.8 | 123 2 -2.1 1.3 12 587 4572 205 9 3.8 8.2 | 183 4 0.2 3.7 13 566 4877 205 8 3.4 7.3 | 175 3 -0.2 2.8 14 525 5486 205 6 2.5 5.4 | 132 1 -1.1 1.0 15 500 5880 200 6 2.1 5.6 | 127 2 -1.6 1.2 16 486 6096 200 6 2.1 5.6 | 127 2 -1.6 1.2 17 400 7610 250 4 3.8 1.4 | 357 3 0.2 -3.1 18 399 7620 235 4 3.3 2.3 | 9 2 -0.3 -2.2 19 325 9144 225 7 4.9 4.9 | 250 1 1.3 0.5 20 300 9740 225 2 1.4 1.4 | 36 4 -2.2 -3.1 21 263 10668 210 1 0.5 0.9 | 41 5 -3.1 -3.6 22 250 11010 305 2 1.6 -1.1 | 19 6 -2.0 -5.6 23 210 12192 10 3 -0.5 -3.0 | 29 8 -4.1 -7.4 24 200 12510 345 6 1.6 -5.8 | 11 10 -2.1 -10.3 25 165 13716 5 6 -0.5 -6.0 | 22 11 -4.1 -10.4 26 150 14310 60 3 -2.6 -1.5 | 46 9 -6.2 -6.0 27 128 15240 35 19 -10.9 -15.6 | 36 25 -14.5 -20.0 28 104 16459 105 11 -10.6 2.8 | 83 14 -14.2 -1.6 29 100 16680 160 8 -2.7 7.5 | 116 7 -6.3 3.0 30 83 17733 110 18 -16.9 6.2 | 95 21 -20.5 1.7 31 75 18288 85 11 -11.0 -1.0 | 70 16 -14.6 -5.4 32 70 18690 20 15 -5.1 -14.1 | 25 21 -8.7 -18.6 33 58 19812 110 16 -15.0 5.5 | 93 19 -18.6 1.0 34 50 20650 85 12 -12.0 -1.0 | 70 17 -15.6 -5.5 35 43 21336 85 8 -8.0 -0.7 | 66 13 -11.6 -5.2 36 31 22860 95 54 -53.8 4.7 | 90 57 -57.4 0.2 37 27 23470 115 19 -17.2 8.0 | 100 21 -20.8 3.6 Wind Parameters Mean winds (0-6000m): 188.9 at 7.7 knts Storm direction: 218.9 at 5.7 knts Shear (0-3000m) pos: 1.6 neg: 0.4 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 102.5 deg Storm rel helicity (0-3000m) pos: 22.9 neg: -4.7 tot: 18.2 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 1.9 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 384.78 Bulk Shear: 3.71 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 ------------------------------------------------------------------------------- 500 146 5 85 6| 9.5 0.0 9.5| 17.9 0.0 17.9 35.8 0.94| 10.5 9.9 1000 167 6 104 5| 5.4 0.0 5.4| 21.0 0.0 21.0 21.0 0.87| 7.1 6.2 1500 177 7 121 5| 3.6 0.9 4.4| 22.9 0.0 22.9 15.2 0.83| 5.6 4.7 2000 180 8 131 5| 2.7 0.8 3.5| 22.9 -2.9 20.0 10.0 0.65| 4.8 3.1 2500 179 8 134 5| 2.1 0.5 2.7| 22.9 -4.1 18.8 7.5 0.57| 4.1 2.3 3000 179 8 134 5| 1.6 0.4 2.1| 22.9 -4.7 18.2 6.1 0.52| 3.6 1.9 4000 182 8 135 5| 1.2 0.3 1.5| 24.0 -5.3 18.7 4.7 0.46| 3.2 1.5 5000 186 8 141 4| 1.0 0.3 1.3| 25.4 -5.8 19.6 3.9 0.45| 2.9 1.3 6000 189 8 142 4| 0.8 0.3 1.1| 25.4 -6.5 19.0 3.2 0.37| 2.6 1.0 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250514.00.gif