UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050412.upa.cvt Date: 1200Z 4 MAY 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:1200Z 4 MAY 25 Station: VTBP WMO ident: 48500 Latitude: 11.83 Longitude: 99.83 Elevation: 5.00 ------------------------------------------------------------------------------- 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 1004 5 30.6 25.7 75 4.9 26.9 0 0 303.4 307.3 299.9 366.4 21.14 1 1002 26 29.0 21.0 62 8.0 23.2 90 5 302.0 304.9 296.3 348.6 15.81 2 1000 46 28.6 21.6 66 7.0 23.5 180 11 301.8 304.8 296.7 350.3 16.46 3 986 172 27.4 20.4 66 7.0 22.4 204 8 301.8 304.6 296.1 347.4 15.48 4 941 586 26.0 19.0 65 7.0 21.1 271 7 304.4 307.2 296.3 348.7 14.86 5 925 737 24.8 17.8 65 7.0 19.9 275 9 304.7 307.3 295.8 346.4 14.00 6 850 1473 19.6 14.6 73 5.0 16.3 330 8 306.7 309.0 295.3 344.0 12.39 7 839 1585 18.6 13.6 73 5.0 15.3 335 8 306.8 309.0 294.8 342.2 11.75 8 753 2508 14.6 5.6 55 9.0 9.2 339 5 312.1 313.5 293.2 335.6 7.60 9 700 3122 10.8 3.8 62 7.0 6.7 45 4 314.4 315.8 293.6 337.0 7.20 10 500 5850 -4.3 -8.4 73 4.1 -6.2 100 9 327.8 328.6 294.7 341.4 4.06 11 431 7009 -10.9 -12.0 92 1.1 -11.3 115 9 333.6 334.3 295.7 345.8 3.54 12 400 7580 -14.1 -17.8 74 3.7 -15.4 115 8 336.7 337.1 295.5 345.0 2.36 13 339 8814 -21.5 -26.5 64 5.0 -22.8 106 13 342.9 343.2 296.1 347.7 1.29 14 300 9700 -28.3 -33.3 62 5.0 -29.2 90 15 345.5 345.7 296.3 348.5 0.77 15 250 10980 -38.7 -44.7 53 6.0 -39.3 115 11 348.5 348.6 296.5 349.7 0.29 16 221 11814 -45.9 -53.9 40 8.0 -46.3 132 10 350.0 350.0 296.7 350.4 0.11 17 200 12470 -52.1 -57.0 55 4.9 -52.2 130 11 350.3 350.3 296.8 350.6 0.09 18 150 14270 -67.3 -74.3 36 7.0 -67.4 145 27 354.2 354.2 297.5 354.2 0.01 19 140 14681 -70.9 -77.9 35 7.0 -70.9 139 27 354.9 354.9 297.7 354.9 0.01 20 128 15207 -73.9 -81.9 28 8.0 -73.9 131 28 358.7 358.7 298.4 358.7 0.00 21 103 16446 -82.3 -86.4 49 4.1 -82.3 86 23 365.6 365.6 299.8 365.6 0.00 22 100 16610 -83.5 -88.0 45 4.5 -83.5 85 31 366.4 366.4 299.9 366.4 0.00 23 98 16722 -83.9 -88.6 43 4.7 -83.9 90 32 367.7 367.7 300.2 367.7 0.00 24 95 16895 -83.9 -88.9 41 5.0 -83.9 105 30 371.0 371.0 300.8 371.0 0.00 25 89 17262 -79.5 -86.5 30 7.0 -79.5 135 24 386.8 386.8 303.3 386.8 0.00 26 78 18011 -80.5 -87.5 30 7.0 -80.5 197 14 399.6 399.6 305.2 399.6 0.00 27 70 18630 -76.1 -87.1 16 11.0 -76.2 360 5 421.6 421.6 307.9 421.6 0.00 28 68 18799 -73.5 -84.5 17 11.0 -73.6 339 6 430.7 430.7 308.9 430.7 0.00 29 67 18885 -73.9 -85.9 14 12.0 -74.0 329 7 431.7 431.7 309.0 431.7 0.00 30 63 19243 -75.5 -86.5 16 11.0 -75.6 285 9 435.8 435.8 309.4 435.8 0.00 31 51 20474 -73.5 -86.5 12 13.0 -73.6 168 9 467.6 467.6 312.4 467.7 0.00 32 50 20590 -72.1 -86.1 10 14.0 -72.2 160 8 473.6 473.6 313.0 473.6 0.00 33 46 21084 -69.3 -86.3 7 17.0 -69.5 141 8 491.8 491.8 314.4 491.8 0.00 34 45 21217 -63.7 -82.7 6 19.0 -64.1 136 8 508.5 508.5 315.5 508.5 0.01 35 44 21356 -62.7 -82.7 5 20.0 -63.1 131 8 514.2 514.2 315.9 514.2 0.01 36 37 22434 -58.7 -82.7 3 24.0 -59.6 130 13 550.6 550.6 318.1 550.7 0.01 37 32 23345 -59.3 -82.3 4 23.0 -60.2 134 17 572.3 572.3 319.3 572.4 0.01 TRP 98 16722 -83.9 -88.6 43 4.7 -83.9 90 32 367.7 367.7 300.2 367.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5804.00 m Freezing level: 556.95 mb = 5073.15 m = 16644.00 ft Wetbulb zero: 596.06 mb = 4425.26 m = 14518.39 ft Precipitable water: 2.06 inches Sfc-500 mean rel hum: 65.98 % Est. max temperature: 33.77 C = 92.78 F Sfc-Lift cond lev (LCL): 935.84 mb = 634.17 m = 2080.59 ft T: 25.62 C 700-500 lapse rate: 5.54 C/km ThetaE index: 17.77 C Layer 1002.0-1000.0 mb Conv cond level (CCL): 787.94 mb = 2120.90 m = 6958.26 ft Mean mixing ratio: 14.93 g/kg Conv temperature: 37.05 C = 98.69 F Cap Strength: 2.72 C Lifted Index: -0.57 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.21 C Lifted Index @700 mb: 0.82 C Showalter Index: 0.90 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 18.90 C K Index: 31.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 200.20 Risk: None Energy Index: -0.52 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.36 J/kg Max Up Vert Vel: 11.26 m/s Conv Inhibition (B-): 162.24 J/kg Cap Strength: 2.72 C Lift Cond Lev (LCL): 861.70 mb = 1354.00 m = 4442.21 ft Lev Free Conv (LFC): 606.70 mb = 4281.76 m = 14047.58 ft Equ Level (EL): 396.70 mb = 7641.76 m = 25071.08 ft B at Equ Level: 63.01 J/kg Max Parcel Lev (MPL): 306.70 mb = 9539.82 m = 31298.23 ft Wind level data Storm motion: 26 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 1004 5 0 0 -0.0 -0.0 | 206 4 1.8 3.7 1 1000 46 180 11 0.0 11.0 | 187 15 1.8 14.7 2 971 305 230 4 3.1 2.6 | 218 8 4.8 6.2 3 938 610 275 7 7.0 -0.6 | 251 9 8.7 3.1 4 925 737 275 9 9.0 -0.8 | 255 11 10.7 2.9 5 906 914 290 8 7.5 -2.7 | 264 9 9.3 0.9 6 875 1219 310 9 6.9 -5.8 | 284 9 8.7 -2.1 7 850 1473 330 8 4.0 -6.9 | 299 7 5.8 -3.2 8 815 1829 345 7 1.8 -6.8 | 311 5 3.6 -3.1 9 786 2134 340 5 1.7 -4.7 | 286 4 3.5 -1.0 10 759 2438 335 6 2.5 -5.4 | 292 5 4.3 -1.8 11 732 2743 355 3 0.3 -3.0 | 251 2 2.0 0.7 12 700 3122 45 4 -2.8 -2.8 | 129 1 -1.1 0.9 13 655 3658 40 2 -1.3 -1.5 | 193 2 0.5 2.1 14 608 4267 345 4 1.0 -3.9 | 274 3 2.8 -0.2 15 564 4877 50 3 -2.3 -1.9 | 163 2 -0.5 1.8 16 500 5850 100 9 -8.9 1.6 | 126 9 -7.1 5.2 17 484 6096 115 10 -9.1 4.2 | 137 11 -7.3 7.9 18 400 7580 115 8 -7.3 3.4 | 142 9 -5.5 7.1 19 398 7620 110 7 -6.6 2.4 | 142 8 -4.8 6.1 20 324 9144 105 15 -14.5 3.9 | 121 15 -12.7 7.6 21 300 9700 90 15 -15.0 0.0 | 106 14 -13.2 3.7 22 261 10668 95 14 -13.9 1.2 | 112 13 -12.2 4.9 23 250 10980 115 11 -10.0 4.6 | 135 12 -8.2 8.3 24 209 12192 140 10 -6.4 7.7 | 158 12 -4.7 11.3 25 200 12470 130 11 -8.4 7.1 | 148 13 -6.7 10.7 26 164 13716 135 24 -17.0 17.0 | 144 26 -15.2 20.6 27 150 14270 145 27 -15.5 22.1 | 152 29 -13.7 25.8 28 127 15240 130 28 -21.4 18.0 | 138 29 -19.7 21.7 29 103 16459 85 23 -22.9 -2.0 | 95 21 -21.1 1.7 30 100 16610 85 31 -30.9 -2.7 | 92 29 -29.1 1.0 31 98 16722 90 32 -32.0 0.0 | 97 30 -30.2 3.7 32 74 18288 220 10 6.4 7.7 | 216 14 8.2 11.3 33 70 18630 360 5 -0.0 -5.0 | 307 2 1.8 -1.3 34 57 19812 215 12 6.9 9.8 | 213 16 8.6 13.5 35 50 20590 160 8 -2.7 7.5 | 175 11 -1.0 11.2 36 43 21336 125 8 -6.6 4.6 | 150 10 -4.8 8.3 37 31 22860 135 18 -12.7 12.7 | 146 20 -11.0 16.4 Wind Parameters Mean winds (0-6000m): 355.6 at 5.4 knts Storm direction: 25.6 at 4.1 knts Shear (0-3000m) pos: 1.6 neg: 1.1 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -32.5 deg Storm rel helicity (0-3000m) pos: 43.9 neg: -5.7 tot: 38.2 m^2/s^2 ave: 12.7 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 2.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.76 Bulk Shear: 16.85 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 ------------------------------------------------------------------------------- 500 209 6 208 10| 0.0 6.1 6.1| 18.9 -2.5 16.4 32.8 0.29| 20.3 5.9 1000 253 7 236 10| 2.6 3.1 5.6| 32.4 -2.5 29.9 29.9 0.42| 13.6 5.7 1500 279 8 255 10| 2.8 2.0 4.9| 42.2 -2.5 39.7 26.5 0.48| 10.9 5.3 2000 297 7 268 8| 2.0 1.5 3.5| 43.6 -3.6 40.1 20.0 0.44| 9.0 4.0 2500 305 7 273 8| 1.6 1.3 2.9| 43.9 -4.4 39.5 15.8 0.40| 7.7 3.1 3000 311 7 275 7| 1.6 1.1 2.6| 43.9 -5.7 38.2 12.7 0.29| 7.2 2.1 4000 323 6 279 5| 1.1 0.9 2.0| 45.1 -5.8 39.3 9.8 0.32| 6.0 1.9 5000 331 5 281 4| 1.1 0.7 1.8| 45.6 -6.7 38.9 7.8 0.24| 5.4 1.3 6000 356 5 309 3| 1.4 0.6 2.0| 50.5 -7.5 43.0 7.2 0.23| 5.3 1.2 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250504.12.gif