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 VTCC... Searching the city database file for: VTCC ... Date:0000Z 30 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 106 SFC 977 314 26.4 15.4 51 11.0 19.0 0 0 301.6 303.6 293.0 335.0 11.33 2 966 413 24.6 17.6 65 7.0 19.8 310 1 300.7 303.1 294.2 339.5 13.22 3 925 791 23.0 17.0 69 6.0 18.9 185 5 302.8 305.3 294.8 342.2 13.29 4 850 1523 18.4 13.4 73 5.0 15.1 195 9 305.4 307.5 294.3 339.7 11.44 5 813 1903 15.8 10.9 73 4.9 12.7 219 11 306.6 308.5 293.6 337.1 10.13 6 709 3055 10.0 -2.0 43 12.0 3.8 207 10 312.4 313.3 290.9 327.1 4.66 7 700 3161 9.2 -1.8 46 11.0 3.5 210 10 312.7 313.6 291.1 327.8 4.79 8 644 3847 4.8 0.1 72 4.7 2.2 230 14 315.2 316.4 292.9 334.2 5.99 9 588 4583 0.2 -5.8 64 6.0 -2.7 237 14 318.2 319.0 292.2 331.8 4.22 10 559 4988 -1.1 -11.1 47 10.0 -5.3 244 14 321.3 321.9 292.0 331.0 2.93 11 500 5870 -6.1 -14.1 53 8.0 -9.2 235 20 325.6 326.1 292.9 334.3 2.57 12 439 6881 -10.7 -18.7 52 8.0 -13.5 248 24 332.1 332.5 294.1 339.1 1.99 13 408 7440 -14.9 -21.9 55 7.0 -17.0 249 26 333.7 334.1 294.2 339.5 1.62 14 400 7590 -15.5 -23.5 50 8.0 -17.9 250 26 334.8 335.1 294.3 340.0 1.44 15 324 9147 -25.3 -36.3 35 11.0 -27.2 250 33 342.1 342.2 295.3 344.2 0.53 16 300 9700 -29.3 -42.3 27 13.0 -31.0 255 40 344.1 344.1 295.6 345.3 0.31 17 250 10970 -40.3 -55.3 19 15.0 -41.2 245 37 346.2 346.2 295.8 346.5 0.08 18 234 11420 -43.7 -60.7 14 17.0 -44.4 249 37 347.6 347.6 296.1 347.8 0.05 19 200 12460 -52.5 -66.5 17 14.0 -52.8 255 42 349.6 349.6 296.5 349.7 0.02 20 167 13595 -61.9 -75.9 14 14.0 -62.0 237 38 352.5 352.5 297.2 352.5 0.01 21 150 14250 -66.1 -80.1 12 14.0 -66.2 255 23 356.2 356.2 298.0 356.2 0.00 22 118 15667 -77.3 -90.3 11 13.0 -77.3 248 17 360.9 360.9 298.9 360.9 0.00 23 110 16070 -77.7 -91.7 9 14.0 -77.7 252 17 367.4 367.4 300.1 367.5 0.00 24 100 16610 -81.9 -93.9 11 12.0 -81.9 260 15 369.5 369.5 300.5 369.5 0.00 25 93 17020 -78.7 -93.7 7 15.0 -78.7 291 13 383.5 383.5 302.8 383.6 0.00 26 78 18018 -80.7 -95.7 6 15.0 -80.7 5 9 399.2 399.2 305.1 399.2 0.00 27 70 18630 -79.5 -94.5 7 15.0 -79.6 340 4 414.3 414.3 307.0 414.3 0.00 28 64 19139 -78.7 -93.7 7 15.0 -78.7 347 4 426.8 426.8 308.5 426.8 0.00 29 61 19414 -76.9 -92.9 6 16.0 -76.9 350 4 436.7 436.7 309.6 436.7 0.00 30 59 19608 -71.9 -89.9 5 18.0 -72.0 353 4 452.1 452.1 311.1 452.1 0.00 31 53 20241 -71.1 -90.1 4 19.0 -71.2 40 3 468.1 468.1 312.5 468.1 0.00 32 50 20590 -66.3 -87.3 4 21.0 -66.5 75 2 487.2 487.2 314.0 487.3 0.00 33 49 20713 -65.5 -86.5 4 21.0 -65.8 75 3 492.0 492.0 314.4 492.0 0.00 34 38 22285 -59.9 -85.9 2 26.0 -60.6 91 14 543.3 543.3 317.7 543.4 0.01 35 33 23182 -53.1 -82.1 2 29.0 -54.9 107 15 583.7 583.8 319.9 583.8 0.01 36 30 23800 -51.7 -82.7 1 31.0 -53.9 120 13 603.7 603.7 320.8 603.8 0.01 37 25 24979 -52.9 -83.9 1 31.0 -55.2 632.6 632.6 322.0 632.7 0.01 TRP 100 16610 -81.9 -93.9 11 12.0 -81.9 260 15 369.5 369.5 300.5 369.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5764.00 m Freezing level: 583.54 mb = 4645.15 m = 15239.81 ft Wetbulb zero: 618.44 mb = 4174.45 m = 13695.55 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 60.73 % Est. max temperature: 30.95 C = 87.72 F Sfc-Lift cond lev (LCL): 831.81 mb = 1707.72 m = 5602.69 ft T: 17.14 C 700-500 lapse rate: 5.65 C/km ThetaE index: 15.08 C Layer 850.0- 700.0 mb Conv cond level (CCL): 775.02 mb = 2305.69 m = 7564.52 ft Mean mixing ratio: 12.88 g/kg Conv temperature: 33.42 C = 92.16 F Cap Strength: 2.85 C Lifted Index: 0.38 C Risk: Showers probable Lifted Index @300 mb: 4.31 C Lifted Index @700 mb: 1.27 C Showalter Index: 0.79 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 19.50 C K Index: 26.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 198.80 Risk: None Energy Index: -1.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.56 J/kg Max Up Vert Vel: 6.72 m/s Conv Inhibition (B-): 163.48 J/kg Cap Strength: 2.85 C Lift Cond Lev (LCL): 843.51 mb = 1588.43 m = 5211.31 ft Lev Free Conv (LFC): 618.51 mb = 4173.52 m = 13692.48 ft Equ Level (EL): 568.51 mb = 4852.62 m = 15920.47 ft B at Equ Level: 22.33 J/kg Max Parcel Lev (MPL): 468.51 mb = 6375.30 m = 20916.08 ft Wind level data Storm motion: 256 at 9 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 | 76 9 -9.2 -2.3 1 944 610 210 4 2.0 3.5 | 99 7 -7.2 1.1 2 925 791 185 5 0.4 5.0 | 107 9 -8.8 2.7 3 912 914 205 8 3.4 7.3 | 130 8 -5.8 4.9 4 880 1219 195 9 2.3 8.7 | 133 9 -6.9 6.4 5 850 1523 195 9 2.3 8.7 | 133 9 -6.9 6.4 6 820 1829 220 11 7.1 8.4 | 161 6 -2.1 6.1 7 791 2134 215 13 7.5 10.6 | 168 9 -1.7 8.3 8 763 2438 205 13 5.5 11.8 | 159 10 -3.7 9.5 9 736 2743 200 10 3.4 9.4 | 141 9 -5.8 7.1 10 700 3161 210 10 5.0 8.7 | 146 8 -4.2 6.3 11 658 3658 230 14 10.7 9.0 | 193 7 1.5 6.7 12 610 4267 230 15 11.5 9.6 | 197 8 2.3 7.3 13 566 4877 245 13 11.8 5.5 | 219 4 2.6 3.2 14 500 5870 235 20 16.4 11.5 | 218 12 7.2 9.2 15 486 6096 245 22 19.9 9.3 | 237 13 10.7 7.0 16 400 7590 250 26 24.4 8.9 | 247 17 15.2 6.6 17 398 7620 260 30 29.5 5.2 | 262 21 20.3 2.9 18 324 9144 250 33 31.0 11.3 | 248 24 21.8 9.0 19 300 9700 255 40 38.6 10.4 | 255 31 29.4 8.0 20 261 10668 250 40 37.6 13.7 | 248 31 28.4 11.4 21 250 10970 245 37 33.5 15.6 | 241 28 24.3 13.3 22 208 12192 255 38 36.7 9.8 | 255 29 27.5 7.5 23 200 12460 255 42 40.6 10.9 | 255 33 31.4 8.6 24 163 13716 235 38 31.1 21.8 | 228 29 21.9 19.5 25 150 14250 255 23 22.2 6.0 | 254 14 13.0 3.6 26 127 15240 245 16 14.5 6.8 | 230 7 5.3 4.4 27 103 16459 255 18 17.4 4.7 | 254 9 8.2 2.3 28 100 16610 260 15 14.8 2.6 | 267 6 5.6 0.3 29 74 18288 25 8 -3.4 -7.3 | 53 16 -12.6 -9.6 30 70 18630 340 4 1.4 -3.8 | 52 10 -7.8 -6.1 31 57 19812 355 4 0.3 -4.0 | 55 11 -8.9 -6.3 32 50 20590 75 2 -1.9 -0.5 | 76 11 -11.1 -2.8 33 44 21336 75 10 -9.7 -2.6 | 75 19 -18.9 -4.9 34 35 22860 100 16 -15.8 2.8 | 91 25 -25.0 0.5 35 30 23800 120 13 -11.3 6.5 | 102 21 -20.5 4.2 36 26 24384 135 13 -9.2 9.2 | 110 20 -18.4 6.9 Wind Parameters Mean winds (0-6000m): 225.8 at 12.7 knts Storm direction: 255.8 at 9.5 knts Shear (0-3000m) pos: 1.6 neg: 1.1 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 32.0 neg: -13.6 tot: 18.4 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.72 Bulk Shear: 13.14 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 ------------------------------------------------------------------------------- 500 201 3 94 8| 0.0 5.7 5.7| 10.7 -2.7 8.0 15.9 0.49| 9.1 4.5 1000 199 6 112 8| 1.8 2.9 4.7| 17.5 -2.7 14.8 14.8 0.55| 7.1 3.9 1500 201 7 122 8| 2.3 1.9 4.2| 25.2 -2.7 22.4 15.0 0.61| 6.3 3.8 2000 206 8 133 8| 1.7 2.2 3.9| 27.3 -4.8 22.5 11.2 0.52| 5.6 2.9 2500 206 9 138 8| 1.4 1.4 2.8| 27.3 -13.6 13.7 5.5 0.31| 5.3 1.6 3000 206 9 139 8| 1.6 1.1 2.7| 32.0 -13.6 18.4 6.1 0.35| 5.0 1.8 4000 214 10 152 7| 1.8 0.9 2.7| 41.0 -13.6 27.3 6.8 0.44| 4.4 1.9 5000 221 11 163 6| 1.5 0.9 2.3| 44.1 -13.7 30.5 6.1 0.42| 4.2 1.8 6000 226 13 179 6| 1.6 1.0 2.6| 58.0 -14.6 43.3 7.2 0.42| 4.3 1.8 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250430.00.gif