UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:0000Z 27 APR 25 Station: VTCC WMO ident: 48327 Latitude: 18.78 Longitude: 98.98 Elevation: 314.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 105 SFC 977 314 27.4 15.4 48 12.0 19.4 0 0 302.6 304.6 293.3 336.1 11.33 2 967 404 26.6 15.6 51 11.0 19.2 331 2 302.6 304.8 293.6 337.0 11.60 3 951 551 27.6 15.6 48 12.0 19.4 284 4 305.1 307.3 294.4 340.4 11.80 4 925 794 25.4 14.4 51 11.0 18.0 225 5 305.3 307.4 294.0 338.9 11.22 5 921 832 25.0 14.0 50 11.0 17.7 280 4 305.3 307.3 293.9 338.1 10.97 6 874 1292 23.8 12.8 50 11.0 16.5 183 5 308.6 310.6 294.6 341.1 10.69 7 850 1535 22.4 10.4 47 12.0 14.7 195 6 309.6 311.4 293.9 338.2 9.36 8 700 3187 10.2 3.2 62 7.0 6.2 245 4 313.8 315.1 293.2 335.4 6.90 9 694 3259 9.8 2.8 62 7.0 5.8 247 4 314.1 315.4 293.2 335.3 6.76 10 693 3271 9.8 2.8 62 7.0 5.8 248 4 314.2 315.5 293.2 335.5 6.77 11 514 5693 -4.1 -33.1 8 29.0 -11.2 205 2 325.5 325.6 290.9 327.1 0.46 12 500 5910 -5.9 -27.9 16 22.0 -11.9 210 1 325.8 326.0 291.3 328.6 0.77 13 468 6425 -8.7 -28.7 18 20.0 -13.9 151 3 328.6 328.7 292.1 331.4 0.76 14 404 7546 -17.7 -25.7 50 8.0 -19.8 173 4 331.0 331.3 293.1 335.2 1.17 15 401 7601 -18.1 -27.1 45 9.0 -20.3 175 4 331.2 331.4 293.0 335.0 1.03 16 400 7620 -18.1 -28.1 41 10.0 -20.5 175 4 331.5 331.7 293.0 334.9 0.95 17 364 8316 -21.3 -64.3 1 43.0 -24.9 231 9 336.3 336.3 293.4 336.3 0.02 18 331 9008 -25.3 -67.3 1 42.0 -28.3 267 11 340.0 340.0 294.3 340.1 0.01 19 300 9710 -31.1 -59.1 5 28.0 -33.1 275 13 341.5 341.6 294.7 341.7 0.04 20 250 10980 -40.5 -64.5 6 24.0 -41.5 275 18 345.9 345.9 295.7 346.0 0.03 21 200 12460 -51.9 -73.9 5 22.0 -52.3 270 23 350.6 350.6 296.8 350.6 0.01 22 157 13983 -64.9 -75.9 21 11.0 -65.0 275 25 353.6 353.6 297.4 353.7 0.01 23 150 14260 -67.3 -80.3 14 13.0 -67.4 275 24 354.2 354.2 297.5 354.2 0.00 24 148 14341 -68.1 -81.1 14 13.0 -68.2 275 24 354.1 354.1 297.5 354.1 0.00 25 119 15619 -77.9 -93.9 6 16.0 -77.9 265 21 358.9 358.9 298.5 358.9 0.00 26 101 16553 -79.1 -96.1 4 17.0 -79.1 234 16 373.8 373.8 301.2 373.8 0.00 27 100 16610 -77.9 -96.9 3 19.0 -77.9 230 17 377.2 377.2 301.8 377.2 0.00 28 70 18640 -81.1 -96.1 6 15.0 -81.1 185 11 410.9 410.9 306.6 410.9 0.00 29 67 18887 -80.7 -96.7 5 16.0 -80.7 222 14 416.9 416.9 307.3 416.9 0.00 30 63 19242 -72.7 -92.7 3 20.0 -72.8 274 17 442.0 442.0 310.1 442.0 0.00 31 54 20149 -72.1 -96.1 2 24.0 -72.2 39 16 463.3 463.3 312.1 463.3 0.00 32 50 20610 -65.9 -94.9 1 29.0 -66.2 95 8 488.2 488.2 314.1 488.2 0.00 33 49 20733 -63.5 -93.5 1 30.0 -63.9 99 7 496.7 496.7 314.7 496.7 0.00 34 38 22302 -61.5 -92.5 1 31.0 -62.1 114 9 539.3 539.3 317.5 539.3 0.00 35 34 23001 -55.5 -87.5 1 32.0 -56.9 105 12 572.5 572.5 319.3 572.5 0.01 36 30 23800 -54.9 -86.9 1 32.0 -56.5 80 16 595.0 595.0 320.4 595.0 0.01 37 27 24472 -55.7 -87.7 1 32.0 -57.3 88 19 610.9 610.9 321.1 611.0 0.01 38 24 25228 -52.7 -85.7 1 33.0 -55.1 640.6 640.6 322.3 640.6 0.01 TRP 119 15619 -77.9 -93.9 6 16.0 -77.9 265 21 358.9 358.9 298.5 358.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 566.80 mb = 4978.20 m = 16332.47 ft Wetbulb zero: 631.90 mb = 4018.79 m = 13184.84 ft Precipitable water: 1.36 inches Sfc-500 mean rel hum: 43.04 % Est. max temperature: 35.02 C = 95.04 F Sfc-Lift cond lev (LCL): 819.98 mb = 1840.96 m = 6039.82 ft T: 20.14 C 700-500 lapse rate: 5.91 C/km ThetaE index: 5.77 C Layer 850.0- 693.0 mb Conv cond level (CCL): 699.25 mb = 3195.92 m = 10485.16 ft Mean mixing ratio: 11.21 g/kg Conv temperature: 38.58 C = 101.45 F Cap Strength: 5.50 C Lifted Index: 1.23 C Risk: Showers probable Lifted Index @300 mb: 3.51 C Lifted Index @700 mb: 2.80 C Showalter Index: 1.64 C Risk: Showers probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 16.30 C K Index: 31.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 137.80 Risk: None Energy Index: -1.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.60 J/kg Max Up Vert Vel: 6.10 m/s Conv Inhibition (B-): 26482.46 J/kg Cap Strength: 5.50 C Lift Cond Lev (LCL): 785.10 mb = 2210.85 m = 7253.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 at 3 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 ---------------------------------------------------------- 0 977 314 0 0 -0.0 -0.0 | 70 3 -3.1 -1.1 1 945 610 265 5 5.0 0.4 | 290 2 1.9 -0.7 2 925 794 225 5 3.5 3.5 | 191 2 0.5 2.4 3 912 914 40 3 -1.9 -2.3 | 55 6 -5.0 -3.4 4 881 1219 180 5 0.0 5.0 | 142 5 -3.1 3.9 5 850 1535 195 6 1.6 5.8 | 162 5 -1.5 4.7 6 821 1829 210 10 5.0 8.7 | 194 8 1.9 7.5 7 792 2134 230 5 3.8 3.2 | 200 2 0.8 2.1 8 764 2438 255 6 5.8 1.6 | 261 3 2.7 0.4 9 737 2743 280 5 4.9 -0.9 | 317 3 1.9 -2.0 10 700 3187 245 4 3.6 1.7 | 226 1 0.6 0.5 11 660 3658 260 4 3.9 0.7 | 297 1 0.9 -0.4 12 613 4267 210 4 2.0 3.5 | 155 3 -1.1 2.3 13 568 4877 185 5 0.4 5.0 | 146 5 -2.6 3.8 14 500 5910 210 1 0.5 0.9 | 84 3 -2.6 -0.3 15 488 6096 145 3 -1.7 2.5 | 105 5 -4.8 1.3 16 400 7620 175 4 -0.3 4.0 | 130 4 -3.4 2.8 17 400 7620 195 6 1.6 5.8 | 162 5 -1.5 4.7 18 324 9144 275 12 12.0 -1.0 | 284 9 8.9 -2.2 19 300 9710 275 13 13.0 -1.1 | 283 10 9.9 -2.3 20 261 10668 275 17 16.9 -1.5 | 281 14 13.9 -2.6 21 250 10980 275 18 17.9 -1.6 | 280 15 14.9 -2.7 22 208 12192 265 20 19.9 1.7 | 268 17 16.9 0.6 23 200 12460 270 23 23.0 -0.0 | 273 20 19.9 -1.1 24 164 13716 275 26 25.9 -2.3 | 278 23 22.8 -3.4 25 150 14260 275 24 23.9 -2.1 | 279 21 20.8 -3.2 26 127 15240 275 19 18.9 -1.7 | 280 16 15.9 -2.8 27 119 15619 265 21 20.9 1.8 | 268 18 17.9 0.7 28 103 16459 240 15 13.0 7.5 | 237 12 9.9 6.4 29 100 16610 230 17 13.0 10.9 | 226 14 10.0 9.8 30 74 18288 140 14 -9.0 10.7 | 128 15 -12.1 9.6 31 70 18640 185 11 1.0 11.0 | 168 10 -2.1 9.8 32 57 19812 355 23 2.0 -22.9 | 3 24 -1.1 -24.1 33 50 20610 95 8 -8.0 0.7 | 88 11 -11.0 -0.4 34 45 21336 120 5 -4.3 2.5 | 100 8 -7.4 1.4 35 35 22860 110 11 -10.3 3.8 | 101 14 -13.4 2.6 36 30 23800 80 16 -15.8 -2.8 | 78 19 -18.8 -3.9 37 26 24384 90 20 -20.0 0.0 | 87 23 -23.1 -1.1 Wind Parameters Mean winds (0-6000m): 219.6 at 4.4 knts Storm direction: 249.6 at 3.3 knts Shear (0-3000m) pos: 1.2 neg: 1.2 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 177.2 deg Storm rel helicity (0-3000m) pos: 28.8 neg: -5.7 tot: 23.1 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 23.86 Bulk Shear: 0.78 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 ------------------------------------------------------------------------------- 500 253 4 294 0| 0.0 4.8 4.8| 0.4 -5.1 -4.7 -9.3 -0.77| 10.2 -7.9 1000 224 4 166 2| 0.0 2.7 2.7| 17.0 -5.1 11.9 11.9 0.39| 16.0 6.2 1500 208 5 166 3| 1.9 1.8 3.7| 24.0 -5.1 19.0 12.6 0.45| 12.6 5.7 2000 214 5 178 3| 1.4 1.4 2.8| 26.5 -5.1 21.4 10.7 0.44| 11.2 4.9 2500 225 5 196 3| 1.5 1.1 2.6| 28.8 -5.1 23.6 9.5 0.47| 9.7 4.6 3000 230 5 204 2| 1.2 1.2 2.5| 28.8 -5.7 23.1 7.7 0.42| 8.6 3.6 4000 233 5 205 2| 0.9 1.2 2.2| 28.9 -6.6 22.4 5.6 0.35| 7.0 2.4 5000 224 5 187 2| 0.9 1.1 2.0| 28.9 -7.9 21.0 4.2 0.30| 5.9 1.8 6000 220 4 173 2| 0.9 1.2 2.0| 30.1 -9.4 20.7 3.5 0.26| 5.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250427.00.gif