UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for VTUU... Searching the city database file for: VTUU ... Date:0000Z 18 APR 25 Station: VTUU WMO ident: 48407 Latitude: 15.25 Longitude: 104.87 Elevation: 127.00 ------------------------------------------------------------------------------- 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 92 0 0 SFC 997 127 26.8 22.6 78 4.2 23.8 0 0 300.2 303.4 297.0 351.7 17.57 2 967 394 27.2 18.2 58 9.0 20.9 252 13 303.2 305.8 295.3 343.9 13.72 3 960 458 26.8 17.8 58 9.0 20.5 250 13 303.5 306.0 295.1 343.5 13.48 4 925 781 24.8 16.8 61 8.0 19.3 250 14 304.7 307.1 295.2 343.8 13.12 5 850 1518 19.8 13.8 68 6.0 15.8 245 8 306.9 309.1 294.8 342.3 11.75 6 726 2858 11.4 5.4 67 6.0 7.8 190 4 311.8 313.3 293.3 335.9 7.77 7 721 2916 11.2 6.2 71 5.0 8.2 190 4 312.2 313.8 293.8 337.9 8.28 8 700 3163 10.2 3.2 62 7.0 6.2 190 5 313.8 315.1 293.2 335.4 6.90 9 588 4596 2.6 -9.4 41 12.0 -2.8 207 8 321.0 321.6 292.1 331.5 3.19 10 500 5890 -5.3 -13.3 53 8.0 -8.5 220 13 326.6 327.1 293.3 335.9 2.74 11 409 7441 -14.3 -22.3 51 8.0 -16.7 228 14 334.3 334.6 294.3 339.9 1.56 12 400 7610 -15.1 -24.1 46 9.0 -17.7 230 14 335.4 335.6 294.4 340.3 1.36 13 389 7820 -16.5 -25.5 46 9.0 -19.0 227 14 336.2 336.5 294.5 340.7 1.23 14 386 7878 -16.7 -32.7 24 16.0 -20.2 226 14 336.7 336.8 294.1 339.1 0.63 15 380 7995 -17.1 -26.1 46 9.0 -19.5 224 14 337.7 337.9 294.8 342.1 1.20 16 364 8316 -19.5 -29.5 41 10.0 -21.8 219 15 338.7 338.8 294.8 342.1 0.91 17 360 8397 -19.7 -37.7 19 18.0 -23.0 217 15 339.5 339.5 294.6 341.1 0.41 18 359 8418 -19.7 -36.7 21 17.0 -22.9 217 15 339.7 339.8 294.7 341.5 0.46 19 300 9720 -30.5 -38.5 45 8.0 -31.6 235 11 342.4 342.5 295.3 344.2 0.46 20 291 9936 -32.3 -39.3 50 7.0 -33.2 242 11 342.8 342.9 295.4 344.5 0.43 21 283 10132 -34.1 -43.1 40 9.0 -35.1 248 10 343.0 343.0 295.3 344.2 0.30 22 250 10990 -40.3 -51.3 30 11.0 -41.1 260 13 346.2 346.2 295.9 346.7 0.14 23 200 12470 -52.9 -62.9 29 10.0 -53.2 275 22 349.0 349.0 296.4 349.2 0.04 24 156 14023 -65.9 -77.9 17 12.0 -66.0 231 12 352.6 352.6 297.2 352.6 0.01 25 150 14260 -67.7 -79.7 17 12.0 -67.8 235 12 353.5 353.5 297.4 353.5 0.00 26 117 15716 -78.5 -89.5 15 11.0 -78.5 359.5 359.5 298.6 359.5 0.00 27 111 16017 -77.7 -89.7 13 12.0 -77.7 366.5 366.5 299.9 366.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 559.04 mb = 5021.55 m = 16474.69 ft Wetbulb zero: 622.89 mb = 4121.90 m = 13523.15 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 57.69 % Est. max temperature: 33.59 C = 92.46 F Sfc-Lift cond lev (LCL): 938.20 mb = 657.61 m = 2157.49 ft T: 25.56 C 700-500 lapse rate: 5.68 C/km ThetaE index: 8.25 C Layer 967.0- 925.0 mb Conv cond level (CCL): 775.41 mb = 2298.69 m = 7541.53 ft Mean mixing ratio: 13.87 g/kg Conv temperature: 36.38 C = 97.48 F Cap Strength: 3.25 C Lifted Index: -0.46 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.71 C Lifted Index @700 mb: 1.04 C Showalter Index: 0.54 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 19.10 C K Index: 31.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 194.60 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 41.19 J/kg Max Up Vert Vel: 9.08 m/s Conv Inhibition (B-): 197.90 J/kg Cap Strength: 3.25 C Lift Cond Lev (LCL): 845.83 mb = 1559.83 m = 5117.48 ft Lev Free Conv (LFC): 540.83 mb = 5263.26 m = 17267.70 ft Equ Level (EL): 410.83 mb = 7406.96 m = 24300.75 ft B at Equ Level: 40.75 J/kg Max Parcel Lev (MPL): 340.83 mb = 8794.74 m = 28853.78 ft Wind level data Storm motion: 251 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 ---------------------------------------------------------- 0 997 127 0 0 -0.0 -0.0 | 71 6 -5.9 -2.0 1 977 305 255 12 11.6 3.1 | 260 6 5.7 1.1 2 943 610 245 15 13.6 6.3 | 241 9 7.7 4.3 3 925 781 250 14 13.2 4.8 | 249 8 7.3 2.7 4 911 914 250 12 11.3 4.1 | 249 6 5.4 2.1 5 880 1219 250 9 8.5 3.1 | 248 3 2.6 1.0 6 850 1518 245 8 7.3 3.4 | 226 2 1.4 1.3 7 819 1829 235 7 5.7 4.0 | 176 2 -0.1 2.0 8 790 2134 215 7 4.0 5.7 | 153 4 -1.9 3.7 9 763 2438 210 5 2.5 4.3 | 124 4 -3.4 2.3 10 736 2743 190 3 0.5 3.0 | 100 5 -5.4 0.9 11 700 3163 190 5 0.9 4.9 | 120 6 -5.0 2.9 12 659 3658 180 7 0.0 7.0 | 130 8 -5.9 5.0 13 611 4267 215 7 4.0 5.7 | 153 4 -1.9 3.7 14 567 4877 200 8 2.7 7.5 | 150 6 -3.1 5.5 15 500 5890 220 13 8.4 10.0 | 197 8 2.5 7.9 16 487 6096 215 13 7.5 10.6 | 190 9 1.6 8.6 17 400 7610 230 14 10.7 9.0 | 215 8 4.8 7.0 18 399 7620 230 14 10.7 9.0 | 215 8 4.8 7.0 19 325 9144 205 16 6.8 14.5 | 184 12 0.9 12.5 20 300 9720 235 11 9.0 6.3 | 216 5 3.1 4.3 21 262 10668 265 9 9.0 0.8 | 292 3 3.1 -1.3 22 250 10990 260 13 12.8 2.3 | 268 7 6.9 0.2 23 209 12192 275 19 18.9 -1.7 | 286 14 13.0 -3.7 24 200 12470 275 22 21.9 -1.9 | 284 17 16.0 -4.0 25 164 13716 225 12 8.5 8.5 | 202 7 2.6 6.4 26 150 14260 235 12 9.8 6.9 | 219 6 3.9 4.8 27 127 15240 185 8 0.7 8.0 | 139 8 -5.2 5.9 Wind Parameters Mean winds (0-6000m): 220.8 at 8.3 knts Storm direction: 250.8 at 6.2 knts Shear (0-3000m) pos: 0.9 neg: 1.6 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 47.4 deg Storm rel helicity (0-3000m) pos: 4.8 neg: -28.0 tot: -23.2 m^2/s^2 ave: -7.7 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.33 Bulk Shear: 3.99 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 ------------------------------------------------------------------------------- 500 250 11 250 5| 0.0 15.3 15.3| 0.0 -21.0 -21.0 -42.1 -0.93| 21.6-20.1 1000 250 12 248 6| 2.6 7.7 10.3| 2.3 -21.1 -18.8 -18.8 -0.70| 13.6 -9.6 1500 249 11 247 4| 1.7 4.4 6.1| 2.3 -22.0 -19.7 -13.1 -0.69| 10.0 -6.9 2000 246 10 237 4| 1.3 3.1 4.4| 2.3 -23.4 -21.1 -10.5 -0.68| 8.4 -5.7 2500 242 9 221 3| 1.0 1.7 2.8| 2.3 -27.1 -24.8 -9.9 -0.71| 7.5 -5.3 3000 238 8 202 2| 0.9 1.6 2.4| 4.8 -28.0 -23.2 -7.7 -0.63| 6.6 -4.2 4000 227 8 175 3| 0.5 1.4 1.8| 10.2 -28.0 -17.8 -4.4 -0.48| 5.7 -2.7 5000 223 8 169 4| 0.4 1.3 1.7| 13.1 -28.3 -15.2 -3.0 -0.41| 5.0 -2.0 6000 221 8 174 4| 0.2 1.1 1.3| 21.4 -30.1 -8.7 -1.4 -0.30| 4.6 -1.4 Wrote GIF file: /home/apache/climate/data/raob//VTUU/skewt/VTUU.skewt.20250418.00.gif