UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120500.upa.cvt Date: 0000Z 5 DEC 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 5 DEC 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 1014 4 24.4 22.5 89 1.9 23.0 40 6 296.4 299.5 295.7 345.9 17.16 1 1000 121 23.2 21.1 88 2.1 21.7 45 11 296.4 299.2 294.9 342.3 15.95 2 925 802 21.0 18.7 87 2.3 19.4 80 19 300.8 303.5 295.4 344.3 14.83 3 887 1166 20.4 16.0 76 4.4 17.4 82 16 303.8 306.2 294.9 342.4 13.00 4 850 1533 18.0 15.8 87 2.2 16.5 85 12 305.0 307.5 295.5 345.0 13.40 5 799 2061 14.0 13.8 99 0.2 13.8 89 9 306.2 308.5 295.2 343.8 12.52 6 797 2082 14.0 14.0 100 0.0 14.0 90 8 306.4 308.8 295.4 344.6 12.71 7 700 3172 9.0 7.5 90 1.5 8.0 85 9 312.5 314.2 294.6 341.3 9.34 8 634 3988 4.8 1.7 80 3.1 3.1 100 8 316.6 318.0 293.9 338.3 6.84 9 633 4001 5.0 1.1 76 3.9 2.8 100 8 317.0 318.3 293.8 337.8 6.56 10 576 4764 -0.9 -1.1 99 0.2 -1.0 89 4 318.8 320.0 293.9 338.4 6.14 11 574 4792 -1.1 -1.7 96 0.6 -1.4 87 4 318.9 320.0 293.7 337.8 5.90 12 571 4834 0.4 -5.6 64 6.0 -2.5 84 4 321.1 322.0 293.2 335.5 4.41 13 532 5400 -3.1 -6.8 76 3.7 -4.8 84 4 323.5 324.3 293.7 337.7 4.32 14 510 5734 -4.5 -19.5 30 15.0 -9.6 82 4 325.7 326.0 292.0 331.3 1.60 15 500 5890 -5.7 -12.7 58 7.0 -8.5 80 4 326.1 326.7 293.3 335.8 2.88 16 499 5906 -5.7 -12.7 58 7.0 -8.5 79 4 326.3 326.9 293.3 336.1 2.89 17 496 5953 -5.9 -13.9 53 8.0 -9.1 77 4 326.6 327.1 293.2 335.6 2.63 18 492 6016 -6.3 -9.6 77 3.3 -7.8 74 4 326.9 327.6 294.2 339.5 3.75 19 483 6161 -7.1 -10.0 80 2.9 -8.4 70 4 327.6 328.3 294.3 340.1 3.71 20 445 6796 -10.3 -14.8 70 4.5 -12.1 68 5 331.3 331.9 294.5 340.8 2.73 21 440 6883 -10.7 -16.7 61 6.0 -12.9 67 5 331.9 332.4 294.3 340.1 2.35 22 438 6918 -10.3 -20.3 44 10.0 -13.6 67 5 332.8 333.2 294.1 339.0 1.74 23 412 7386 -13.9 -17.9 72 4.0 -15.3 66 6 334.1 334.5 294.8 342.1 2.27 24 400 7610 -15.7 -20.4 67 4.7 -17.2 65 6 334.6 335.0 294.6 341.3 1.89 25 393 7743 -16.1 -28.1 35 12.0 -19.1 64 6 335.8 336.0 294.1 339.3 0.96 26 380 7995 -18.3 -24.3 59 6.0 -20.0 73 6 336.1 336.4 294.6 341.2 1.41 27 347 8667 -22.9 -33.9 36 11.0 -25.0 97 6 338.7 338.8 294.6 341.1 0.63 28 330 9034 -24.9 -38.9 26 14.0 -27.1 111 6 340.9 341.0 294.9 342.4 0.40 29 328 9078 -25.1 -32.1 52 7.0 -26.5 112 6 341.2 341.4 295.3 344.2 0.79 30 321 9234 -26.1 -37.1 35 11.0 -27.9 119 6 341.9 342.0 295.3 343.8 0.49 31 312 9440 -27.7 -39.7 31 12.0 -29.5 130 5 342.5 342.6 295.3 344.0 0.39 32 300 9720 -30.3 -37.3 50 7.0 -31.3 145 5 342.7 342.8 295.4 344.7 0.52 33 293 9887 -31.9 -35.8 68 3.9 -32.5 155 6 342.7 342.9 295.6 345.1 0.62 34 280 10206 -33.3 -43.3 36 10.0 -34.4 175 7 345.2 345.2 295.8 346.4 0.30 35 264 10616 -36.5 -42.5 54 6.0 -37.1 201 8 346.4 346.4 296.1 347.7 0.34 36 252 10936 -39.3 -43.6 64 4.3 -39.7 217 10 346.8 346.9 296.2 348.1 0.32 37 250 10990 -39.9 -44.5 61 4.6 -40.3 220 11 346.7 346.8 296.2 347.9 0.29 38 220 11848 -47.5 -55.5 39 8.0 -47.9 206 13 347.9 348.0 296.3 348.3 0.09 39 204 12342 -51.9 -57.9 48 6.0 -52.1 203 15 348.6 348.6 296.4 348.9 0.08 40 200 12470 -52.9 -60.9 37 8.0 -53.1 205 15 349.0 349.0 296.4 349.2 0.05 41 189 12833 -54.5 -69.5 14 15.0 -54.8 189 16 352.1 352.1 297.1 352.2 0.02 42 170 13501 -60.1 -77.1 9 17.0 -60.3 160 17 353.6 353.7 297.4 353.7 0.01 43 150 14270 -65.9 -79.9 12 14.0 -66.0 135 22 356.6 356.6 298.0 356.6 0.00 44 138 14772 -69.3 -83.3 11 14.0 -69.4 128 17 359.2 359.2 298.5 359.2 0.00 45 115 15835 -79.1 -85.1 37 6.0 -79.1 106 11 360.2 360.2 298.7 360.2 0.00 46 100 16620 -83.9 -89.9 34 6.0 -83.9 85 13 365.6 365.6 299.8 365.6 0.00 47 85 17512 -86.9 -93.9 27 7.0 -86.9 100 21 376.9 376.9 301.8 377.0 0.00 48 79 17911 -87.1 -93.1 32 6.0 -87.1 100 23 384.5 384.5 302.9 384.5 0.00 49 75 18195 -85.7 -92.7 27 7.0 -85.7 100 25 393.2 393.2 304.3 393.2 0.00 50 74 18269 -81.9 -89.9 24 8.0 -81.9 100 25 402.7 402.7 305.6 402.7 0.00 51 70 18580 -81.7 -89.7 24 8.0 -81.7 85 24 409.6 409.6 306.5 409.6 0.00 52 69 18661 -81.9 -89.9 24 8.0 -81.9 84 24 410.9 410.9 306.6 410.9 0.00 53 63 19177 -76.7 -89.7 11 13.0 -76.7 81 25 433.2 433.2 309.1 433.2 0.00 54 61 19365 -71.7 -88.7 6 17.0 -71.8 79 26 448.3 448.3 310.7 448.3 0.00 55 57 19763 -74.1 -90.1 7 16.0 -74.2 77 26 451.6 451.6 311.0 451.6 0.00 TRP 85 17512 -86.9 -93.9 27 7.0 -86.9 100 21 376.9 376.9 301.8 377.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5769.00 m Freezing level: 584.69 mb = 4647.96 m = 15249.02 ft Freezing level: 571.80 mb = 4823.11 m = 15823.66 ft Freezing level: 566.54 mb = 4898.92 m = 16072.39 ft Wetbulb zero: 591.25 mb = 4552.91 m = 14937.20 ft Precipitable water: 2.26 inches Sfc-500 mean rel hum: 83.23 % Est. max temperature: 32.60 C = 90.69 F Sfc-Lift cond lev (LCL): 986.68 mb = 238.10 m = 781.17 ft T: 22.82 C 700-500 lapse rate: 5.41 C/km ThetaE index: 6.75 C Layer 700.0- 576.0 mb Conv cond level (CCL): 850.14 mb = 1531.54 m = 5024.66 ft Mean mixing ratio: 15.45 g/kg Conv temperature: 33.06 C = 91.51 F Cap Strength: 2.68 C Lifted Index: -0.33 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.67 C Lifted Index @700 mb: 0.25 C Showalter Index: -0.92 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 21.50 C K Index: 38.00 Risk: > 80 % chance of thunderstorms Sweat Index: 217.60 Risk: None Energy Index: -1.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.57 J/kg Max Up Vert Vel: 10.16 m/s Conv Inhibition (B-): 90.67 J/kg Cap Strength: 2.57 C Lift Cond Lev (LCL): 932.51 mb = 731.37 m = 2399.47 ft Lev Free Conv (LFC): 617.51 mb = 4201.27 m = 13783.54 ft Equ Level (EL): 467.51 mb = 6413.25 m = 21040.59 ft B at Equ Level: 51.13 J/kg Max Parcel Lev (MPL): 347.51 mb = 8656.28 m = 28399.52 ft Wind level data Storm motion: 113 at 7 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 1014 4 40 6 -3.9 -4.6 | 342 8 2.4 -7.3 1 1000 121 45 11 -7.8 -7.8 | 8 11 -1.5 -10.5 2 979 305 60 12 -10.4 -6.0 | 25 10 -4.1 -8.7 3 946 610 75 17 -16.4 -4.4 | 55 12 -10.1 -7.1 4 925 802 80 19 -18.7 -3.3 | 64 14 -12.4 -6.0 5 913 914 80 19 -18.7 -3.3 | 64 14 -12.4 -6.0 6 851 1524 85 12 -12.0 -1.0 | 56 7 -5.7 -3.8 7 850 1533 85 12 -12.0 -1.0 | 56 7 -5.7 -3.8 8 792 2134 90 8 -8.0 0.0 | 32 3 -1.7 -2.7 9 710 3048 80 10 -9.8 -1.7 | 39 6 -3.6 -4.5 10 700 3172 85 9 -9.0 -0.8 | 37 4 -2.7 -3.5 11 659 3658 100 10 -9.8 1.7 | 75 4 -3.6 -1.0 12 589 4572 100 5 -4.9 0.9 | 324 2 1.4 -1.8 13 567 4877 80 4 -3.9 -0.7 | 325 4 2.3 -3.4 14 526 5486 85 4 -4.0 -0.3 | 323 4 2.3 -3.1 15 500 5890 80 4 -3.9 -0.7 | 325 4 2.3 -3.4 16 487 6096 70 4 -3.8 -1.4 | 328 5 2.5 -4.1 17 400 7610 65 6 -5.4 -2.5 | 351 5 0.8 -5.3 18 399 7620 60 6 -5.2 -3.0 | 349 6 1.1 -5.7 19 325 9144 115 6 -5.4 2.5 | 282 1 0.8 -0.2 20 300 9720 145 5 -2.9 4.1 | 248 4 3.4 1.4 21 262 10668 205 8 3.4 7.3 | 245 11 9.7 4.5 22 250 10990 220 11 7.1 8.4 | 247 15 13.4 5.7 23 209 12192 200 14 4.8 13.2 | 227 15 11.1 10.4 24 200 12470 205 15 6.3 13.6 | 229 17 12.6 10.9 25 164 13716 150 17 -8.5 14.7 | 170 12 -2.2 12.0 26 150 14270 135 22 -15.6 15.6 | 144 16 -9.3 12.8 27 127 15240 120 12 -10.4 6.0 | 129 5 -4.1 3.3 28 103 16459 90 9 -9.0 0.0 | 45 4 -2.7 -2.7 29 100 16620 85 13 -13.0 -1.1 | 60 8 -6.7 -3.9 30 85 17512 100 21 -20.7 3.6 | 94 14 -14.4 0.9 31 74 18288 100 25 -24.6 4.3 | 95 18 -18.3 1.6 32 70 18580 85 24 -23.9 -2.1 | 75 18 -17.6 -4.8 33 55 19812 75 27 -26.1 -7.0 | 64 22 -19.8 -9.7 34 51 20117 70 38 -35.7 -13.0 | 62 33 -29.4 -15.7 Wind Parameters Mean winds (0-6000m): 83.4 at 9.1 knts Storm direction: 113.4 at 6.8 knts Shear (0-3000m) pos: 1.1 neg: 0.3 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 57.0 deg Storm rel helicity (0-3000m) pos: 41.5 neg: -5.2 tot: 36.4 m^2/s^2 ave: 12.1 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 13.79 Bulk Shear: 3.74 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 57 12 21 10| 10.8 0.0 10.8| 27.5 0.0 27.5 55.1 0.90| 12.3 11.1 1000 70 15 44 11| 7.2 0.0 7.2| 41.1 -0.2 40.9 40.9 0.83| 9.2 7.7 1500 74 15 50 11| 3.1 0.0 3.1| 41.1 -2.8 38.3 25.5 0.58| 8.1 4.7 2000 77 14 50 9| 1.7 0.0 1.7| 41.1 -4.7 36.4 18.2 0.46| 7.0 3.2 2500 78 13 49 8| 1.4 0.1 1.5| 41.3 -5.2 36.2 14.5 0.42| 5.9 2.5 3000 79 12 48 8| 1.1 0.3 1.4| 41.5 -5.2 36.4 12.1 0.41| 5.2 2.1 4000 82 11 49 7| 1.0 0.2 1.3| 44.0 -5.9 38.1 9.5 0.39| 4.6 1.8 5000 83 10 45 5| 0.8 0.5 1.3| 44.1 -7.3 36.8 7.4 0.27| 4.2 1.1 6000 83 9 36 5| 0.7 0.5 1.2| 44.4 -7.4 37.0 6.2 0.27| 3.6 1.0 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20251205.00.gif