UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for VTBP... Searching the city database file for: VTBP ... Date:1200Z 26 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 1005 5 32.2 27.7 77 4.5 28.7 140 5 304.9 309.3 301.7 376.8 23.85 1 1003 26 30.2 22.2 62 8.0 24.3 154 9 303.1 306.2 297.4 353.6 17.03 2 1001 47 30.0 21.0 59 9.0 23.5 168 13 303.1 306.0 296.6 350.0 15.83 3 1000 57 29.8 20.8 59 9.0 23.3 175 15 303.0 305.8 296.5 349.3 15.65 4 988 165 28.8 20.8 62 8.0 23.0 179 14 303.0 305.9 296.6 349.9 15.84 5 970 328 28.0 18.0 55 10.0 21.0 187 12 303.8 306.3 295.3 343.9 13.51 6 925 749 25.6 18.6 65 7.0 20.6 245 9 305.5 308.2 296.5 349.6 14.74 7 858 1407 20.6 15.6 73 5.0 17.2 237 5 306.9 309.4 295.8 346.3 13.10 8 857 1417 20.6 15.6 73 5.0 17.2 236 5 307.0 309.5 295.8 346.5 13.12 9 850 1488 20.4 13.4 64 7.0 15.7 235 4 307.5 309.7 294.8 342.1 11.44 10 700 3137 10.2 3.2 62 7.0 6.2 105 9 313.8 315.1 293.2 335.4 6.90 11 588 4566 2.4 -7.6 48 10.0 -2.3 83 10 320.7 321.5 292.4 332.8 3.67 12 572 4789 0.8 -5.2 64 6.0 -2.1 78 9 321.4 322.3 293.4 336.3 4.54 13 535 5324 -1.7 -9.7 54 8.0 -5.3 71 9 324.6 325.3 293.3 336.1 3.42 14 509 5719 -3.5 -24.5 18 21.0 -10.0 66 11 327.1 327.3 291.9 330.8 1.03 15 500 5860 -4.1 -20.1 28 16.0 -9.6 65 11 328.0 328.4 292.6 333.5 1.55 16 478 6213 -6.5 -22.5 27 16.0 -11.6 67 10 329.3 329.6 292.8 334.0 1.31 17 464 6444 -8.7 -15.7 57 7.0 -11.3 71 9 329.4 329.9 293.7 337.8 2.43 18 400 7580 -15.1 -24.1 46 9.0 -17.7 90 5 335.4 335.6 294.4 340.3 1.36 19 315 9348 -25.9 -42.9 19 17.0 -28.3 137 5 344.0 344.1 295.6 345.2 0.28 20 307 9534 -27.3 -36.3 42 9.0 -28.8 144 4 344.6 344.7 295.9 346.8 0.56 21 306 9558 -27.5 -38.5 34 11.0 -29.2 145 4 344.7 344.8 295.8 346.4 0.45 22 300 9700 -28.7 -41.7 28 13.0 -30.4 150 4 344.9 345.0 295.8 346.2 0.33 23 299 9724 -28.9 -44.9 20 16.0 -30.9 150 4 345.0 345.0 295.7 345.9 0.23 24 288 9992 -30.9 -39.9 41 9.0 -32.1 154 5 345.8 345.9 296.1 347.5 0.41 25 250 10980 -39.5 -46.5 47 7.0 -40.1 160 5 347.3 347.4 296.3 348.3 0.23 26 231 11517 -43.9 -49.9 51 6.0 -44.3 156 8 348.6 348.6 296.5 349.3 0.17 27 221 11814 -46.3 -57.3 28 11.0 -46.8 153 9 349.3 349.4 296.5 349.7 0.07 28 213 12058 -48.7 -54.7 50 6.0 -49.0 151 10 349.3 349.3 296.5 349.8 0.11 29 200 12470 -51.7 -57.7 49 6.0 -51.9 140 17 350.9 350.9 296.9 351.2 0.08 30 189 12832 -55.1 -65.1 28 10.0 -55.3 137 17 351.1 351.2 296.9 351.3 0.03 31 161 13831 -63.9 -71.9 33 8.0 -64.0 128 19 352.8 352.8 297.3 352.9 0.01 32 150 14260 -67.3 -73.3 42 6.0 -67.4 120 23 354.2 354.2 297.5 354.2 0.01 33 146 14423 -68.5 -74.5 42 6.0 -68.5 118 23 354.8 354.8 297.7 354.9 0.01 34 142 14589 -69.9 -76.9 35 7.0 -69.9 115 22 355.2 355.2 297.7 355.2 0.01 35 131 15067 -71.5 -80.5 25 9.0 -71.5 108 21 360.6 360.6 298.8 360.6 0.00 36 125 15343 -72.7 -79.7 34 7.0 -72.8 103 19 363.3 363.3 299.4 363.3 0.01 37 102 16509 -82.3 -85.8 55 3.5 -82.3 63 7 366.6 366.6 299.9 366.6 0.00 38 100 16620 -82.1 -86.0 51 3.9 -82.1 45 14 369.1 369.1 300.4 369.1 0.00 39 91 17142 -85.3 -87.9 63 2.6 -85.3 67 17 372.8 372.8 301.1 372.9 0.00 40 84 17580 -86.5 -89.8 55 3.3 -86.5 85 19 379.0 379.0 302.1 379.0 0.00 41 84 17580 -86.5 -90.8 45 4.3 -86.5 85 19 379.0 379.0 302.1 379.0 0.00 42 82 17711 -85.5 -90.3 42 4.8 -85.5 82 16 383.7 383.7 302.8 383.7 0.00 43 80 17850 -77.9 -84.9 31 7.0 -77.9 79 13 402.1 402.1 305.5 402.1 0.00 44 78 17994 -76.9 -87.9 16 11.0 -76.9 76 11 407.1 407.1 306.2 407.1 0.00 45 73 18375 -76.5 -86.5 19 10.0 -76.6 23 6 415.7 415.7 307.2 415.7 0.00 46 72 18455 -72.3 -83.3 18 11.0 -72.3 342 6 426.3 426.3 308.4 426.3 0.01 47 70 18620 -73.1 -86.1 12 13.0 -73.2 260 7 428.0 428.0 308.6 428.0 0.00 48 60 19526 -72.1 -86.1 10 14.0 -72.2 333 3 449.5 449.5 310.8 449.5 0.00 49 56 19936 -68.7 -83.7 10 15.0 -68.8 345 4 466.2 466.2 312.3 466.3 0.01 50 50 20610 -71.3 -85.3 11 14.0 -71.4 290 13 475.5 475.5 313.1 475.5 0.01 51 42 21657 -65.5 -84.5 5 19.0 -65.8 167 7 514.1 514.1 315.9 514.2 0.01 52 40 21953 -66.9 -85.9 5 19.0 -67.2 151 7 517.9 517.9 316.2 517.9 0.01 53 33 23150 -55.1 -80.1 3 25.0 -56.5 98 6 578.4 578.5 319.6 578.6 0.02 54 30 23760 -54.7 -81.7 2 27.0 -56.3 85 3 595.5 595.5 320.4 595.6 0.02 55 29 23977 -55.3 -81.3 3 26.0 -56.9 599.7 599.7 320.6 599.8 0.02 TRP 84 17580 -86.5 -89.8 55 3.3 -86.5 85 19 379.0 379.0 302.1 379.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5803.00 m Freezing level: 560.16 mb = 4959.99 m = 16272.72 ft Wetbulb zero: 618.07 mb = 4157.54 m = 13640.07 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 57.69 % Est. max temperature: 34.44 C = 93.99 F Sfc-Lift cond lev (LCL): 942.59 mb = 582.19 m = 1910.06 ft T: 26.55 C 700-500 lapse rate: 5.25 C/km ThetaE index: 27.46 C Layer 1003.0- 988.0 mb Conv cond level (CCL): 779.10 mb = 2227.71 m = 7308.67 ft Mean mixing ratio: 14.66 g/kg Conv temperature: 37.65 C = 99.77 F Cap Strength: 3.07 C Lifted Index: -0.49 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.69 C Lifted Index @700 mb: 0.10 C Showalter Index: 1.86 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 17.50 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 179.80 Risk: None Energy Index: -1.61 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 185.98 J/kg Max Up Vert Vel: 19.29 m/s Conv Inhibition (B-): 137.43 J/kg Cap Strength: 3.07 C Lift Cond Lev (LCL): 847.56 mb = 1512.46 m = 4962.08 ft Lev Free Conv (LFC): 682.56 mb = 3343.90 m = 10970.68 ft Equ Level (EL): 332.56 mb = 8947.00 m = 29353.32 ft B at Equ Level: 184.24 J/kg Max Parcel Lev (MPL): 182.56 mb = 13048.57 m = 42809.76 ft Wind level data Storm motion: 142 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 1005 5 140 5 -3.2 3.8 | 330 2 0.8 -1.4 1 1000 57 175 15 -1.3 14.9 | 196 10 2.7 9.7 2 972 305 185 12 1.0 12.0 | 217 8 5.1 6.8 3 940 610 215 9 5.2 7.4 | 257 9 9.2 2.2 4 925 749 245 9 8.2 3.8 | 277 12 12.2 -1.4 5 908 914 255 10 9.7 2.6 | 281 14 13.7 -2.6 6 877 1219 240 6 5.2 3.0 | 283 9 9.2 -2.2 7 850 1488 235 4 3.3 2.3 | 292 8 7.3 -2.9 8 817 1829 185 3 0.3 3.0 | 297 5 4.3 -2.2 9 788 2134 150 5 -2.5 4.3 | 300 2 1.5 -0.9 10 760 2438 140 6 -3.9 4.6 | 346 1 0.2 -0.6 11 733 2743 125 8 -6.6 4.6 | 76 3 -2.5 -0.6 12 700 3137 105 9 -8.7 2.3 | 58 5 -4.7 -2.9 13 656 3658 95 12 -12.0 1.0 | 62 9 -7.9 -4.2 14 609 4267 90 11 -11.0 0.0 | 53 9 -7.0 -5.2 15 565 4877 75 8 -7.7 -2.1 | 27 8 -3.7 -7.3 16 500 5860 65 11 -10.0 -4.6 | 31 12 -6.0 -9.9 17 485 6096 65 10 -9.1 -4.2 | 28 11 -5.0 -9.4 18 400 7580 90 5 -5.0 0.0 | 11 5 -1.0 -5.2 19 398 7620 95 6 -6.0 0.5 | 23 5 -2.0 -4.7 20 324 9144 130 5 -3.8 3.2 | 355 2 0.2 -2.0 21 300 9700 150 4 -2.0 3.5 | 311 3 2.0 -1.7 22 261 10668 165 6 -1.6 5.8 | 256 3 2.5 0.6 23 250 10980 160 5 -1.7 4.7 | 282 2 2.3 -0.5 24 209 12192 150 11 -5.5 9.5 | 161 5 -1.5 4.3 25 200 12470 140 17 -10.9 13.0 | 139 10 -6.9 7.8 26 164 13716 130 18 -13.8 11.6 | 123 12 -9.8 6.4 27 150 14260 120 23 -19.9 11.5 | 112 17 -15.9 6.3 28 127 15240 105 20 -19.3 5.2 | 90 15 -15.3 -0.0 29 103 16459 70 4 -3.8 -1.4 | 358 7 0.3 -6.6 30 100 16620 45 14 -9.9 -9.9 | 21 16 -5.9 -15.1 31 84 17580 85 19 -18.9 -1.7 | 65 16 -14.9 -6.9 32 74 18288 70 5 -4.7 -1.7 | 6 7 -0.7 -6.9 33 70 18620 260 7 6.9 1.2 | 290 12 10.9 -4.0 34 57 19812 355 2 0.2 -2.0 | 330 8 4.2 -7.2 35 50 20610 290 13 12.2 -4.4 | 301 19 16.2 -9.6 36 44 21336 185 7 0.6 7.0 | 249 5 4.6 1.8 37 35 22860 105 8 -7.7 2.1 | 50 5 -3.7 -3.1 38 30 23760 85 3 -3.0 -0.3 | 349 6 1.0 -5.5 Wind Parameters Mean winds (0-6000m): 112.3 at 8.8 knts Storm direction: 142.3 at 6.6 knts Shear (0-3000m) pos: 2.0 neg: 2.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 93.9 deg Storm rel helicity (0-3000m) pos: 40.7 neg: -4.5 tot: 36.3 m^2/s^2 ave: 12.1 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 0.7 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 8.94 Bulk Shear: 20.79 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 ------------------------------------------------------------------------------- 500 184 12 215 8| 9.4 0.0 9.4| 16.3 -3.1 13.1 26.3 -0.26| 23.2 -6.1 1000 206 11 243 10| 5.9 0.0 5.9| 35.0 -3.2 31.8 31.8 0.02| 16.7 0.4 1500 215 9 256 10| 4.0 1.8 5.7| 39.3 -3.2 36.0 24.0 0.07| 12.9 0.8 2000 213 8 261 8| 3.0 2.4 5.4| 40.1 -3.8 36.3 18.2 0.06| 10.9 0.7 2500 203 7 258 7| 2.4 2.6 5.0| 40.5 -3.8 36.7 14.7 0.09| 9.4 0.9 3000 188 7 248 5| 2.0 2.8 4.8| 40.7 -4.5 36.3 12.1 0.09| 8.6 0.7 4000 152 8 185 2| 1.5 2.6 4.0| 41.3 -6.8 34.5 8.6 0.06| 7.1 0.4 5000 130 9 95 3| 1.2 1.8 3.0| 41.6 -16.7 24.9 5.0 -0.01| 6.2 -0.1 6000 112 9 65 4| 1.0 1.6 2.6| 42.8 -17.7 25.1 4.2 -0.01| 5.4 -0.1 Wrote GIF file: /home/apache/climate/data/raob//VTBP/skewt/VTBP.skewt.20250426.12.gif