UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060312.upa.cvt Date: 1200Z 3 JUN 25 Searching for VTBC... Searching the city database file for: VTBC ... Date:1200Z 3 JUN 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 27.0 25.0 89 2.0 25.5 210 3 299.6 303.3 298.5 358.9 20.21 1 1005 13 29.2 25.1 79 4.1 26.2 217 4 301.9 305.7 299.1 362.2 20.35 2 1000 59 28.8 24.7 79 4.1 25.7 250 8 302.0 305.6 298.9 361.0 19.96 3 925 749 23.4 19.8 80 3.6 20.8 245 11 303.2 306.2 296.7 350.4 15.91 4 920 797 23.4 18.8 75 4.6 20.2 246 11 303.7 306.5 296.3 348.3 15.01 5 879 1194 20.2 19.2 94 1.0 19.5 272 10 304.4 307.4 297.1 352.5 16.13 6 850 1484 18.8 17.6 93 1.2 17.9 295 9 305.8 308.6 296.8 351.0 15.07 7 771 2317 13.8 13.5 98 0.3 13.6 308 14 309.1 311.5 296.1 347.8 12.72 8 757 2472 15.2 9.2 67 6.0 11.4 306 14 312.2 314.1 294.8 342.2 9.70 9 735 2722 13.8 5.8 58 8.0 9.0 304 13 313.4 314.9 293.8 337.9 7.89 10 700 3133 11.0 6.0 71 5.0 8.0 300 12 314.7 316.3 294.6 340.9 8.41 11 640 3874 5.0 5.0 100 0.0 5.0 289 9 316.0 317.7 295.0 343.0 8.58 12 588 4562 1.2 0.9 98 0.3 1.0 285 8 319.3 320.7 294.7 341.6 6.97 13 581 4659 2.2 0.1 86 2.1 1.0 281 8 321.6 322.9 295.1 343.1 6.65 14 500 5860 -4.3 -4.7 97 0.4 -4.5 230 4 327.8 328.9 295.7 345.8 5.41 15 494 5955 -5.1 -5.1 100 0.0 -5.1 228 4 328.0 329.0 295.7 345.6 5.31 16 400 7590 -13.3 -15.9 81 2.6 -14.3 135 6 337.7 338.3 296.1 347.5 2.77 17 368 8220 -16.7 -21.7 65 5.0 -18.3 123 7 341.3 341.7 296.2 348.0 1.83 18 340 8808 -21.7 -24.6 77 2.9 -22.5 112 8 342.3 342.7 296.2 348.0 1.53 19 321 9230 -23.3 -31.3 48 8.0 -25.1 103 9 345.8 346.0 296.4 349.1 0.87 20 300 9720 -27.9 -32.6 64 4.7 -28.8 90 12 346.1 346.2 296.5 349.2 0.82 21 284 10113 -30.9 -35.4 65 4.5 -31.6 90 12 347.2 347.4 296.6 349.8 0.66 22 273 10394 -32.5 -48.5 19 16.0 -34.1 90 12 348.9 348.9 296.5 349.6 0.17 23 272 10420 -32.7 -45.7 26 13.0 -34.1 90 12 348.9 349.0 296.6 349.9 0.24 24 265 10604 -34.5 -42.5 44 8.0 -35.4 90 12 348.9 349.0 296.7 350.3 0.34 25 260 10737 -35.3 -55.3 11 20.0 -36.7 90 12 349.6 349.7 296.6 350.0 0.08 26 250 11010 -37.9 -53.9 17 16.0 -39.0 90 14 349.7 349.7 296.7 350.1 0.10 27 208 12244 -49.1 -55.1 50 6.0 -49.4 66 26 351.1 351.1 297.0 351.5 0.10 28 200 12500 -51.1 -58.1 43 7.0 -51.4 70 47 351.8 351.9 297.1 352.2 0.07 29 193 12730 -52.9 -62.9 29 10.0 -53.2 71 65 352.6 352.6 297.2 352.8 0.04 30 177 13281 -58.2 -63.8 49 5.6 -58.3 75 110 352.7 352.7 297.3 352.9 0.04 31 175 13352 -58.9 -63.9 52 5.0 -59.0 77 107 352.7 352.7 297.3 352.9 0.04 32 150 14300 -66.5 -71.2 52 4.7 -66.5 110 68 355.5 355.5 297.8 355.6 0.02 33 149 14340 -66.7 -71.2 53 4.5 -66.7 110 68 355.9 355.9 297.9 355.9 0.02 34 125 15383 -74.1 -80.1 39 6.0 -74.1 99 82 360.8 360.8 298.8 360.8 0.01 35 107 16282 -77.7 -85.7 26 8.0 -77.7 95 109 370.4 370.4 300.7 370.4 0.00 36 100 16670 -76.5 -86.5 19 10.0 -76.5 105 107 379.9 379.9 302.2 379.9 0.00 37 88 17401 -79.7 -86.7 30 7.0 -79.7 103 83 387.7 387.7 303.5 387.7 0.00 38 79 18016 -77.5 -88.5 15 11.0 -77.5 101 63 404.4 404.4 305.8 404.4 0.00 39 75 18317 -73.1 -89.1 7 16.0 -73.2 101 52 419.6 419.6 307.7 419.6 0.00 40 70 18720 -74.5 -89.5 8 15.0 -74.6 115 30 425.0 425.0 308.3 425.0 0.00 41 66 19062 -75.5 -91.5 6 16.0 -75.6 110 28 430.0 430.0 308.9 430.0 0.00 42 65 19152 -71.3 -89.3 5 18.0 -71.4 109 28 441.1 441.1 310.0 441.1 0.00 43 64 19244 -70.3 -90.3 4 20.0 -70.4 108 28 445.3 445.3 310.4 445.3 0.00 44 54 20249 -72.7 -90.7 5 18.0 -72.8 90 44 461.9 461.9 312.0 461.9 0.00 45 50 20710 -64.7 -91.7 1 27.0 -65.0 80 64 491.0 491.0 314.3 491.0 0.00 46 45 21355 -63.3 -90.3 1 27.0 -63.7 92 57 509.4 509.4 315.6 509.4 0.00 47 40 22082 -61.7 -90.7 1 29.0 -62.3 104 56 530.9 530.9 317.0 530.9 0.00 TRP 107 16282 -77.7 -85.7 26 8.0 -77.7 95 109 370.4 370.4 300.7 370.4 0.00 WND 177 13281 -58.2 -63.8 49 5.6 -58.3 75 110 352.7 352.7 297.3 352.9 0.04 Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 553.58 mb = 5065.62 m = 16619.29 ft Wetbulb zero: 566.06 mb = 4867.54 m = 15969.41 ft Precipitable water: 2.53 inches Sfc-500 mean rel hum: 86.99 % Est. max temperature: 32.91 C = 91.23 F Sfc-Lift cond lev (LCL): 977.70 mb = 258.59 m = 848.39 ft T: 27.24 C 700-500 lapse rate: 5.61 C/km ThetaE index: 14.53 C Layer 850.0- 700.0 mb Conv cond level (CCL): 884.45 mb = 1140.08 m = 3740.37 ft Mean mixing ratio: 17.53 g/kg Conv temperature: 31.65 C = 88.97 F Cap Strength: 1.16 C Lifted Index: -2.97 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.05 C Lifted Index @700 mb: -0.86 C Showalter Index: -1.68 C Risk: Thunderstorms probable Total Totals Index: 45.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.90 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 233.20 Risk: None Energy Index: -1.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 897.07 J/kg Max Up Vert Vel: 42.36 m/s Conv Inhibition (B-): 12.56 J/kg Cap Strength: 1.16 C Lift Cond Lev (LCL): 904.14 mb = 948.11 m = 3110.55 ft Lev Free Conv (LFC): 849.14 mb = 1492.65 m = 4897.09 ft Equ Level (EL): 749.14 mb = 2560.77 m = 8401.38 ft B at Equ Level: 30.21 J/kg Max Parcel Lev (MPL): 89.14 mb = 17327.17 m = 56846.99 ft Wind level data Storm motion: 311 at 8 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 4 210 3 1.5 2.6 | 150 9 -4.3 7.6 1 1000 59 250 8 7.5 2.7 | 192 8 1.7 7.7 2 973 305 245 15 13.6 6.3 | 214 14 7.8 11.3 3 940 610 240 12 10.4 6.0 | 203 12 4.6 11.0 4 925 749 245 11 10.0 4.6 | 203 11 4.2 9.6 5 908 914 250 10 9.4 3.4 | 203 9 3.6 8.4 6 850 1484 295 9 8.2 -3.8 | 243 3 2.3 1.2 7 846 1524 295 9 8.2 -3.8 | 243 3 2.3 1.2 8 787 2134 310 14 10.7 -9.0 | 309 6 4.9 -4.0 9 707 3048 300 13 11.3 -6.5 | 285 6 5.4 -1.5 10 700 3133 300 12 10.4 -6.0 | 282 5 4.6 -1.0 11 656 3658 290 9 8.5 -3.1 | 234 3 2.6 1.9 12 586 4572 285 8 7.7 -2.1 | 213 3 1.9 2.9 13 564 4877 270 9 9.0 -0.0 | 213 6 3.2 5.0 14 524 5486 255 10 9.7 2.6 | 207 9 3.8 7.6 15 500 5860 230 4 3.1 2.6 | 160 8 -2.7 7.6 16 485 6096 225 3 2.1 2.1 | 153 8 -3.7 7.1 17 400 7590 135 6 -4.2 4.2 | 133 14 -10.1 9.2 18 398 7620 135 6 -4.2 4.2 | 133 14 -10.1 9.2 19 324 9144 105 8 -7.7 2.1 | 118 15 -13.5 7.1 20 300 9720 90 12 -12.0 0.0 | 106 18 -17.8 5.0 21 262 10668 90 12 -12.0 0.0 | 106 18 -17.8 5.0 22 250 11010 90 14 -14.0 0.0 | 104 20 -19.8 5.0 23 209 12192 65 22 -19.9 -9.3 | 81 26 -25.7 -4.3 24 200 12500 70 47 -44.2 -16.1 | 77 51 -50.0 -11.1 25 177 13281 75 110 -106.3 -28.5 | 78 114 -112.1 -23.5 26 165 13716 90 90 -90.0 0.0 | 93 96 -95.8 5.0 27 150 14300 110 68 -63.9 23.3 | 112 75 -69.7 28.3 28 128 15240 100 78 -76.8 13.5 | 103 85 -82.6 18.5 29 107 16282 95 109 -108.6 9.5 | 97 115 -114.4 14.5 30 104 16459 95 107 -106.6 9.3 | 97 113 -112.4 14.3 31 100 16670 105 107 -103.4 27.7 | 107 114 -109.2 32.7 32 75 18288 100 54 -53.2 9.4 | 104 61 -59.0 14.4 33 70 18720 115 30 -27.2 12.7 | 118 37 -33.0 17.7 34 58 19812 100 25 -24.6 4.3 | 107 32 -30.4 9.3 35 50 20710 80 64 -63.0 -11.1 | 85 69 -68.8 -6.1 36 44 21336 95 55 -54.8 4.8 | 99 61 -60.6 9.8 37 34 22555 120 57 -49.4 28.5 | 121 65 -55.2 33.5 Wind Parameters Mean winds (0-6000m): 280.7 at 10.2 knts Storm direction: 310.7 at 7.7 knts Shear (0-3000m) pos: 2.3 neg: 0.2 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 136.2 deg Storm rel helicity (0-3000m) pos: 34.2 neg: -12.3 tot: 22.0 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 2.3 10^-3/s Energy-Hel index: 0.19 Bulk Rich Number: 139.59 Bulk Shear: 6.43 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 ------------------------------------------------------------------------------- 500 245 12 206 11| 10.9 0.0 10.9| 23.6 -6.0 17.6 35.2 0.56| 15.7 8.9 1000 245 11 205 11| 4.2 0.0 4.2| 25.5 -8.9 16.6 16.6 0.42| 10.5 4.4 1500 254 11 209 9| 3.2 0.0 3.2| 29.8 -8.9 20.9 14.0 0.43| 9.1 4.0 2000 266 11 221 8| 3.5 0.0 3.5| 33.3 -8.9 24.4 12.2 0.49| 8.0 3.9 2500 277 11 236 7| 2.8 0.1 2.9| 34.2 -10.2 24.0 9.6 0.45| 6.8 3.1 3000 282 12 246 6| 2.3 0.2 2.6| 34.2 -12.3 22.0 7.3 0.39| 5.9 2.3 4000 286 11 249 5| 1.8 0.7 2.5| 34.2 -16.4 17.8 4.4 0.24| 5.1 1.2 5000 285 11 244 5| 1.4 0.9 2.3| 34.3 -17.4 16.8 3.4 0.20| 4.5 0.9 6000 281 10 234 5| 1.2 1.1 2.3| 34.3 -34.7 -0.4 -0.1 0.01| 4.5 0.1 Wrote GIF file: /home/apache/climate/data/raob//VTBC/skewt/VTBC.skewt.20250603.12.gif