UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051200.upa.cvt Date: 0000Z 12 MAY 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:0000Z 12 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 1006 4 26.0 25.1 95 0.9 25.3 30 3 298.6 302.3 298.3 358.0 20.33 1 1000 58 25.6 24.9 96 0.7 25.1 35 4 298.8 302.4 298.2 357.8 20.21 2 925 744 23.0 21.1 89 1.9 21.6 110 2 302.8 306.0 297.5 354.0 17.28 3 894 1042 22.2 17.6 75 4.6 19.0 112 5 305.0 307.6 296.1 347.7 14.31 4 850 1479 18.4 17.6 95 0.8 17.8 120 10 305.4 308.2 296.7 350.5 15.07 5 838 1601 17.4 17.4 100 0.0 17.4 119 10 305.6 308.4 296.8 350.8 15.09 6 700 3122 9.2 8.5 95 0.7 8.8 110 8 312.7 314.6 295.2 343.6 10.01 7 667 3521 6.6 6.6 100 0.0 6.6 81 7 314.1 315.9 295.0 342.8 9.21 8 575 4733 1.8 0.3 90 1.5 1.0 50 11 322.1 323.4 295.3 344.1 6.82 9 529 5402 -2.3 -2.3 100 0.0 -2.3 144 5 325.0 326.2 295.5 345.0 6.12 10 500 5850 -3.3 -4.8 89 1.5 -4.1 195 6 329.0 330.1 296.0 346.9 5.36 11 466 6406 -6.9 -7.4 96 0.5 -7.1 202 10 331.2 332.2 296.0 347.2 4.71 12 419 7233 -10.3 -14.1 74 3.8 -11.9 222 11 337.1 337.7 296.1 347.9 3.07 13 400 7590 -12.7 -16.2 75 3.5 -14.0 230 12 338.5 339.0 296.2 348.1 2.70 14 373 8118 -16.7 -18.3 87 1.6 -17.3 230 12 340.0 340.5 296.4 348.7 2.43 15 312 9436 -24.7 -31.7 52 7.0 -26.2 210 11 346.7 346.8 296.6 350.0 0.86 16 300 9720 -27.1 -33.1 57 6.0 -28.3 190 9 347.2 347.4 296.7 350.2 0.78 17 287 10039 -29.9 -33.9 68 4.0 -30.6 203 8 347.6 347.8 296.7 350.6 0.76 18 261 10710 -34.9 -43.9 39 9.0 -35.9 232 7 349.8 349.9 296.8 351.1 0.30 19 250 11010 -37.7 -45.7 43 8.0 -38.5 245 4 350.0 350.1 296.8 351.1 0.26 20 246 11120 -38.7 -46.7 43 8.0 -39.4 251 4 350.1 350.2 296.8 351.1 0.23 21 233 11489 -41.7 -52.7 29 11.0 -42.4 271 6 351.1 351.1 297.0 351.6 0.12 22 231 11547 -41.9 -64.9 6 23.0 -42.8 274 6 351.6 351.6 297.0 351.7 0.03 23 200 12500 -50.5 -61.5 26 11.0 -50.8 305 7 352.8 352.8 297.3 353.0 0.05 24 199 12533 -50.7 -61.7 26 11.0 -51.0 308 7 353.0 353.0 297.3 353.2 0.05 25 196 12632 -51.7 -60.7 33 9.0 -52.0 316 7 352.9 352.9 297.3 353.2 0.05 26 188 12902 -53.7 -68.7 14 15.0 -54.0 337 8 353.9 353.9 297.5 354.0 0.02 27 184 13041 -54.9 -61.9 42 7.0 -55.1 348 9 354.2 354.2 297.5 354.4 0.05 28 182 13111 -55.3 -57.0 81 1.7 -55.4 354 9 354.6 354.7 297.7 355.0 0.09 29 174 13397 -57.7 -63.7 46 6.0 -57.8 17 10 355.3 355.3 297.8 355.4 0.04 30 165 13731 -60.5 -63.1 71 2.6 -60.6 45 11 356.0 356.0 298.0 356.2 0.05 31 150 14320 -65.5 -69.8 55 4.3 -65.5 15 12 357.2 357.3 298.2 357.3 0.02 32 144 14567 -67.7 -72.2 53 4.5 -67.7 20 12 357.6 357.6 298.2 357.7 0.02 33 109 16186 -80.9 -85.9 43 5.0 -80.9 58 14 362.4 362.4 299.2 362.4 0.00 34 100 16670 -81.5 -87.5 35 6.0 -81.5 90 20 370.3 370.3 300.6 370.3 0.00 35 93 17075 -83.3 -88.3 41 5.0 -83.3 95 24 374.5 374.5 301.4 374.5 0.00 36 88 17384 -81.1 -87.1 36 6.0 -81.1 92 26 384.9 384.9 303.0 384.9 0.00 37 81 17847 -83.3 -88.3 41 5.0 -83.3 89 29 389.6 389.6 303.7 389.6 0.00 38 70 18670 -77.5 -88.5 15 11.0 -77.6 90 8 418.6 418.6 307.6 418.6 0.00 39 69 18753 -77.5 -88.5 15 11.0 -77.6 78 7 420.3 420.3 307.7 420.3 0.00 40 62 19364 -79.7 -90.7 15 11.0 -79.7 350 4 428.5 428.5 308.7 428.5 0.00 41 58 19751 -70.7 -90.7 4 20.0 -70.8 295 1 457.1 457.1 311.5 457.1 0.00 42 54 20180 -67.1 -91.1 2 24.0 -67.3 318 3 474.8 474.8 313.0 474.8 0.00 43 50 20650 -62.9 -89.9 1 27.0 -63.3 350 6 495.3 495.3 314.6 495.3 0.00 44 46 21166 -60.7 -88.7 1 28.0 -61.3 1 12 512.5 512.5 315.8 512.5 0.00 45 41 21877 -63.3 -89.3 2 26.0 -63.8 38 16 523.2 523.2 316.5 523.2 0.00 46 33 23235 -55.7 -87.7 1 32.0 -57.1 97 19 576.9 576.9 319.5 576.9 0.01 47 30 23840 -56.7 -86.7 1 30.0 -58.0 100 18 590.1 590.1 320.2 590.1 0.01 48 27 24506 -57.7 -87.7 1 30.0 -59.0 100 20 605.3 605.3 320.9 605.3 0.01 49 20 26437 -49.3 -84.3 1 35.0 -53.0 96 30 685.3 685.3 324.0 685.4 0.02 TRP 93 17075 -83.3 -88.3 41 5.0 -83.3 95 24 374.5 374.5 301.4 374.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 554.80 mb = 5026.42 m = 16490.68 ft Wetbulb zero: 561.58 mb = 4922.16 m = 16148.62 ft Precipitable water: 2.64 inches Sfc-500 mean rel hum: 94.25 % Est. max temperature: 32.73 C = 90.92 F Sfc-Lift cond lev (LCL): 993.42 mb = 116.07 m = 380.82 ft T: 25.38 C 700-500 lapse rate: 4.58 C/km ThetaE index: 10.30 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 883.86 mb = 1140.57 m = 3741.99 ft Mean mixing ratio: 18.35 g/kg Conv temperature: 32.45 C = 90.41 F Cap Strength: 1.44 C Lifted Index: -2.21 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.51 C Lifted Index @700 mb: -2.77 C Showalter Index: -0.51 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 20.90 C K Index: 38.60 Risk: > 80 % chance of thunderstorms Sweat Index: 237.20 Risk: None Energy Index: -0.83 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 914.24 J/kg Max Up Vert Vel: 42.76 m/s Conv Inhibition (B-): 23.08 J/kg Cap Strength: 1.46 C Lift Cond Lev (LCL): 934.72 mb = 652.04 m = 2139.20 ft Lev Free Conv (LFC): 859.72 mb = 1380.51 m = 4529.16 ft Equ Level (EL): 169.72 mb = 13553.82 m = 44467.36 ft B at Equ Level: 908.13 J/kg Max Parcel Lev (MPL): 89.72 mb = 17275.65 m = 56677.95 ft Wind level data Storm motion: 122 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 4 30 3 -1.5 -2.6 | 332 6 2.9 -5.4 1 1000 58 35 4 -2.3 -3.3 | 341 6 2.1 -6.0 2 972 305 45 4 -2.8 -2.8 | 344 6 1.6 -5.6 3 939 610 75 1 -1.0 -0.3 | 311 5 3.4 -3.0 4 925 744 110 2 -1.9 0.7 | 310 3 2.5 -2.1 5 907 914 110 4 -3.8 1.4 | 335 2 0.6 -1.4 6 850 1479 120 10 -8.7 5.0 | 118 5 -4.3 2.2 7 845 1524 120 10 -8.7 5.0 | 118 5 -4.3 2.2 8 787 2134 110 6 -5.6 2.1 | 60 1 -1.2 -0.7 9 706 3048 110 9 -8.5 3.1 | 94 4 -4.1 0.3 10 700 3122 110 8 -7.5 2.7 | 90 3 -3.1 -0.0 11 655 3658 70 6 -5.6 -2.1 | 14 5 -1.2 -4.8 12 585 4572 45 11 -7.8 -7.8 | 18 11 -3.4 -10.5 13 564 4877 55 10 -8.2 -5.7 | 24 9 -3.8 -8.5 14 523 5486 160 4 -1.4 3.8 | 252 3 3.0 1.0 15 500 5850 195 6 1.6 5.8 | 243 7 5.9 3.0 16 484 6096 195 9 2.3 8.7 | 229 9 6.7 5.9 17 400 7590 230 12 9.2 7.7 | 250 14 13.6 5.0 18 398 7620 230 12 9.2 7.7 | 250 14 13.6 5.0 19 324 9144 230 12 9.2 7.7 | 250 14 13.6 5.0 20 300 9720 190 9 1.6 8.9 | 224 9 6.0 6.1 21 262 10668 230 7 5.4 4.5 | 260 10 9.8 1.7 22 250 11010 245 4 3.6 1.7 | 278 8 8.0 -1.1 23 209 12192 310 8 6.1 -5.1 | 307 13 10.5 -7.9 24 200 12500 305 7 5.7 -4.0 | 304 12 10.1 -6.8 25 165 13716 45 11 -7.8 -7.8 | 18 11 -3.4 -10.5 26 150 14320 15 12 -3.1 -11.6 | 355 14 1.3 -14.4 27 128 15240 35 12 -6.9 -9.8 | 11 13 -2.5 -12.6 28 104 16459 65 14 -12.7 -5.9 | 44 12 -8.3 -8.7 29 100 16670 90 20 -20.0 0.0 | 80 16 -15.6 -2.8 30 93 17075 95 24 -23.9 2.1 | 88 20 -19.5 -0.7 31 75 18288 85 32 -31.9 -2.8 | 79 28 -27.5 -5.5 32 70 18670 90 8 -8.0 0.0 | 53 5 -3.6 -2.8 33 58 19812 290 1 0.9 -0.3 | 300 6 5.3 -3.1 34 50 20650 350 6 1.0 -5.9 | 328 10 5.4 -8.7 35 45 21336 5 14 -1.2 -13.9 | 349 17 3.2 -16.7 36 35 22860 95 20 -19.9 1.7 | 86 16 -15.5 -1.0 37 30 23840 100 18 -17.7 3.1 | 92 13 -13.3 0.4 38 26 24384 100 20 -19.7 3.5 | 93 15 -15.3 0.7 39 18 25908 95 34 -33.9 3.0 | 90 29 -29.5 0.2 40 15 26822 95 37 -36.9 3.2 | 91 32 -32.5 0.5 Wind Parameters Mean winds (0-6000m): 92.1 at 6.9 knts Storm direction: 122.1 at 5.2 knts Shear (0-3000m) pos: 1.8 neg: 0.3 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 122.3 deg Storm rel helicity (0-3000m) pos: 5.2 neg: -5.1 tot: 0.1 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 0.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 244.84 Bulk Shear: 3.73 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 43 4 340 6| 1.8 0.0 1.8| 2.2 -2.2 0.0 0.1 -0.08| 4.0 -0.3 1000 66 3 338 4| 2.8 0.0 2.8| 3.0 -3.4 -0.4 -0.4 0.04| 4.7 0.2 1500 98 5 4 2| 3.6 0.0 3.6| 4.5 -3.4 1.1 0.7 0.23| 4.9 1.1 2000 106 6 38 2| 2.7 0.9 3.5| 4.5 -4.8 -0.4 -0.2 0.09| 4.6 0.4 2500 107 6 47 2| 2.1 0.6 2.8| 4.7 -5.1 -0.3 -0.1 0.08| 4.0 0.3 3000 108 6 59 2| 1.8 0.3 2.1| 5.2 -5.1 0.1 0.0 0.10| 3.6 0.4 4000 102 6 52 2| 1.3 1.2 2.5| 6.0 -10.1 -4.2 -1.0 -0.08| 3.8 -0.3 5000 87 7 41 4| 1.6 1.3 2.8| 13.3 -11.1 2.2 0.4 0.01| 4.0 0.1 6000 92 7 45 4| 1.9 1.1 3.0| 17.4 -13.9 3.5 0.6 0.11| 4.7 0.5 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250512.00.gif