UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:0000Z 30 APR 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 1009 5 26.8 24.6 88 2.2 25.2 0 0 299.2 302.8 298.0 356.7 19.65 1 1008 15 24.2 19.2 74 5.0 20.8 352 0 296.7 299.2 293.6 337.1 14.02 2 1000 93 25.6 19.6 69 6.0 21.4 285 1 298.8 301.4 294.6 341.0 14.50 3 993 155 26.8 17.8 58 9.0 20.6 273 1 300.6 302.9 294.0 338.7 13.02 4 976 308 27.2 16.2 51 11.0 19.7 244 2 302.4 304.6 293.8 337.8 11.95 5 925 781 24.4 14.4 54 10.0 17.7 105 5 304.3 306.3 293.7 337.7 11.22 6 850 1516 19.2 10.2 56 9.0 13.5 90 8 306.3 308.0 292.8 334.1 9.23 7 764 2423 12.8 7.8 72 5.0 9.7 119 14 308.8 310.5 293.2 335.5 8.73 8 763 2434 12.8 7.8 72 5.0 9.7 120 14 308.9 310.6 293.2 335.6 8.74 9 700 3155 10.0 -9.0 25 19.0 1.5 135 10 313.6 314.1 289.5 322.5 2.76 10 694 3226 9.8 -13.2 18 23.0 0.3 140 10 314.1 314.5 288.9 320.7 1.99 11 641 3882 6.2 -7.8 36 14.0 -0.3 173 7 317.2 317.9 291.2 328.0 3.31 12 614 4234 5.4 -21.6 12 27.0 -3.9 179 7 320.2 320.5 290.0 324.1 1.11 13 613 4247 5.4 -22.6 11 28.0 -4.1 179 7 320.4 320.6 289.9 323.9 1.01 14 585 4627 2.2 -12.8 32 15.0 -4.0 174 8 321.0 321.5 291.5 329.1 2.44 15 574 4780 1.2 -13.8 32 15.0 -4.8 172 8 321.6 322.0 291.5 329.3 2.29 16 561 4964 1.0 -24.0 13 25.0 -7.0 168 8 323.4 323.6 290.8 326.9 0.98 17 500 5880 -4.7 -24.7 19 20.0 -10.8 145 8 327.3 327.5 292.0 331.0 1.03 18 484 6134 -6.1 -22.1 27 16.0 -11.2 145 8 328.6 328.9 292.6 333.4 1.34 19 400 7600 -14.1 -40.1 9 26.0 -19.0 165 9 336.7 336.7 293.8 337.8 0.29 20 390 7792 -14.9 -43.9 6 29.0 -19.8 159 8 338.1 338.1 294.0 338.9 0.20 21 389 7811 -15.1 -43.1 7 28.0 -19.9 159 8 338.0 338.1 294.0 338.9 0.22 22 358 8433 -20.5 -32.5 33 12.0 -23.0 155 6 338.9 339.1 294.7 341.6 0.70 23 343 8748 -22.3 -44.3 12 22.0 -25.4 153 6 340.7 340.7 294.7 341.5 0.22 24 300 9720 -28.9 -51.9 9 23.0 -31.1 220 9 344.6 344.7 295.6 345.1 0.11 25 265 10597 -35.7 -54.7 12 19.0 -37.1 220 6 347.2 347.2 296.1 347.5 0.09 26 250 11000 -39.1 -56.1 15 17.0 -40.1 175 12 347.9 348.0 296.3 348.3 0.08 27 200 12480 -52.3 -58.3 48 6.0 -52.5 140 16 349.9 350.0 296.7 350.3 0.07 28 172 13440 -60.5 -64.5 59 4.0 -60.6 140 14 351.8 351.8 297.1 352.0 0.04 29 150 14280 -67.7 -73.7 42 6.0 -67.7 150 14 353.5 353.5 297.4 353.5 0.01 30 149 14320 -68.1 -74.1 42 6.0 -68.1 150 14 353.5 353.5 297.4 353.5 0.01 31 141 14649 -69.5 -77.5 30 8.0 -69.5 146 13 356.6 356.6 298.0 356.7 0.01 32 100 16620 -83.7 -87.5 51 3.8 -83.7 160 6 366.0 366.0 299.8 366.0 0.00 33 98 16732 -83.9 -88.5 44 4.6 -83.9 145 6 367.7 367.7 300.2 367.7 0.00 34 90 17209 -81.5 -86.3 44 4.8 -81.5 119 6 381.6 381.6 302.5 381.6 0.00 35 80 17869 -83.3 -87.9 44 4.6 -83.3 82 7 391.0 391.0 303.9 391.0 0.00 36 74 18311 -77.1 -86.1 22 9.0 -77.1 57 7 412.8 412.8 306.9 412.8 0.00 37 70 18630 -77.7 -86.7 22 9.0 -77.7 25 6 418.2 418.2 307.5 418.2 0.00 38 61 19420 -75.9 -86.9 16 11.0 -75.9 282 5 438.9 438.9 309.8 439.0 0.00 39 56 19924 -67.7 -84.7 7 17.0 -67.9 239 7 468.5 468.5 312.5 468.5 0.01 40 55 20033 -66.7 -83.7 7 17.0 -66.9 242 8 473.2 473.2 312.9 473.3 0.01 41 50 20610 -65.5 -84.5 5 19.0 -65.8 260 16 489.1 489.1 314.1 489.2 0.01 42 37 22458 -61.5 -84.5 3 23.0 -62.1 190 10 543.4 543.4 317.7 543.4 0.01 43 31 23578 -52.3 -81.3 2 29.0 -54.3 300 6 596.4 596.4 320.5 596.6 0.02 44 30 23790 -52.5 -81.5 2 29.0 -54.5 340 6 601.5 601.5 320.7 601.6 0.02 45 27 24468 -54.5 -82.5 2 28.0 -56.3 358 7 614.3 614.3 321.2 614.4 0.02 TRP 98 16732 -83.9 -88.5 44 4.6 -83.9 145 6 367.7 367.7 300.2 367.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 550.30 mb = 5124.82 m = 16813.50 ft Wetbulb zero: 665.71 mb = 3569.69 m = 11711.43 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 39.80 % Est. max temperature: 33.65 C = 92.57 F Sfc-Lift cond lev (LCL): 977.75 mb = 292.07 m = 958.23 ft T: 27.16 C 700-500 lapse rate: 5.39 C/km ThetaE index: 19.52 C Layer 1008.0-1000.0 mb Conv cond level (CCL): 750.45 mb = 2572.83 m = 8440.92 ft Mean mixing ratio: 12.04 g/kg Conv temperature: 37.48 C = 99.46 F Cap Strength: 4.06 C Lifted Index: 2.84 C Risk: None Lifted Index @300 mb: 6.30 C Lifted Index @700 mb: 2.89 C Showalter Index: 4.66 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 14.90 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 146.40 Risk: None Energy Index: -0.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.58 J/kg Max Up Vert Vel: 7.01 m/s Conv Inhibition (B-): 21115.45 J/kg Cap Strength: 4.06 C Lift Cond Lev (LCL): 832.14 mb = 1696.58 m = 5566.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 166 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 1009 5 0 0 -0.0 -0.0 | 346 6 1.4 -5.7 1 1000 93 285 1 1.0 -0.3 | 338 6 2.3 -5.9 2 976 305 245 2 1.8 0.8 | 327 6 3.2 -4.8 3 943 610 180 1 0.0 1.0 | 344 5 1.4 -4.7 4 925 781 105 5 -4.8 1.3 | 38 6 -3.5 -4.4 5 911 914 75 5 -4.8 -1.3 | 26 8 -3.5 -6.9 6 880 1219 80 7 -6.9 -1.2 | 39 9 -5.5 -6.9 7 850 1516 90 8 -8.0 0.0 | 50 9 -6.6 -5.7 8 819 1829 95 8 -8.0 0.7 | 53 8 -6.6 -5.0 9 790 2134 110 11 -10.3 3.8 | 78 9 -9.0 -1.9 10 762 2438 120 14 -12.1 7.0 | 97 11 -10.8 1.3 11 735 2743 120 13 -11.3 6.5 | 95 10 -9.9 0.8 12 700 3155 135 10 -7.1 7.1 | 104 6 -5.7 1.4 13 658 3658 170 7 -1.2 6.9 | 187 1 0.2 1.2 14 610 4267 180 7 0.0 7.0 | 225 2 1.4 1.3 15 566 4877 170 8 -1.4 7.9 | 179 2 -0.0 2.2 16 500 5880 145 8 -4.6 6.6 | 106 3 -3.2 0.9 17 486 6096 145 8 -4.6 6.6 | 106 3 -3.2 0.9 18 400 7600 165 9 -2.3 8.7 | 162 3 -1.0 3.0 19 399 7620 160 8 -2.7 7.5 | 144 2 -1.4 1.9 20 324 9144 150 5 -2.5 4.3 | 41 2 -1.1 -1.3 21 300 9720 220 9 5.8 6.9 | 260 7 7.2 1.2 22 262 10668 220 6 3.9 4.6 | 281 5 5.2 -1.1 23 250 11000 175 12 -1.0 12.0 | 183 6 0.3 6.3 24 209 12192 150 13 -6.5 11.3 | 138 8 -5.1 5.6 25 200 12480 140 16 -10.3 12.3 | 127 11 -8.9 6.6 26 164 13716 140 14 -9.0 10.7 | 124 9 -7.6 5.1 27 150 14280 150 14 -7.0 12.1 | 139 9 -5.6 6.5 28 127 15240 140 10 -6.4 7.7 | 112 5 -5.1 2.0 29 103 16459 180 5 0.0 5.0 | 296 2 1.4 -0.7 30 100 16620 160 6 -2.1 5.6 | 89 1 -0.7 -0.0 31 98 16732 145 6 -3.4 4.9 | 70 2 -2.1 -0.7 32 74 18288 60 7 -6.1 -3.5 | 27 10 -4.7 -9.2 33 70 18630 25 6 -2.5 -5.4 | 6 11 -1.2 -11.1 34 57 19812 235 5 4.1 2.9 | 297 6 5.5 -2.8 35 50 20610 260 16 15.8 2.8 | 280 17 17.1 -2.9 36 44 21336 280 21 20.7 -3.6 | 293 24 22.0 -9.3 37 35 22860 160 7 -2.4 6.6 | 132 1 -1.0 0.9 38 30 23790 340 6 2.1 -5.6 | 343 12 3.4 -11.3 39 26 24384 5 7 -0.6 -7.0 | 357 13 0.8 -12.6 Wind Parameters Mean winds (0-6000m): 136.4 at 7.8 knts Storm direction: 166.4 at 5.8 knts Shear (0-3000m) pos: 1.5 neg: 1.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 114.7 deg Storm rel helicity (0-3000m) pos: 34.0 neg: -6.1 tot: 28.0 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.68 Bulk Shear: 9.16 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 1 332 6| 0.0 1.4 1.4| 1.3 -3.4 -2.2 -4.3 -0.31| 3.9 -1.2 1000 114 3 11 5| 0.0 2.9 2.9| 7.0 -5.3 1.7 1.7 0.21| 6.6 1.4 1500 89 4 25 6| 1.0 1.9 2.9| 13.5 -5.3 8.1 5.4 0.35| 5.4 1.9 2000 92 5 35 7| 1.4 1.4 2.8| 19.6 -5.3 14.3 7.1 0.44| 4.8 2.1 2500 102 7 49 7| 2.2 1.2 3.3| 32.0 -5.3 26.7 10.7 0.55| 4.9 2.7 3000 108 8 61 7| 1.5 1.0 2.5| 34.0 -6.1 28.0 9.3 0.50| 4.7 2.4 4000 120 8 72 6| 1.2 0.7 2.0| 37.9 -6.1 31.9 8.0 0.52| 4.6 2.4 5000 132 8 83 4| 1.0 0.7 1.7| 38.1 -7.1 30.9 6.2 0.44| 3.9 1.7 6000 136 8 89 4| 0.9 0.8 1.7| 38.1 -9.0 29.1 4.8 0.34| 3.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250430.00.gif