UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:1200Z 18 APR 25 Station: VTSH WMO ident: 48568 Latitude: 7.20 Longitude: 100.60 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 1007 5 29.4 23.4 70 6.0 25.0 260 3 301.9 305.3 297.9 356.0 18.28 1 1000 78 28.6 19.6 58 9.0 22.2 235 4 301.8 304.4 295.4 344.5 14.50 2 925 768 24.6 16.6 61 8.0 19.1 260 9 304.5 306.9 295.1 343.1 12.95 3 850 1503 19.4 12.4 64 7.0 14.8 270 9 306.5 308.5 294.0 338.7 10.70 4 700 3153 11.0 4.0 62 7.0 6.9 290 5 314.7 316.1 293.7 337.6 7.30 5 500 5890 -4.1 -12.1 54 8.0 -7.5 85 3 328.0 328.6 293.9 338.3 3.02 6 401 7601 -14.7 -22.7 51 8.0 -17.1 75 8 335.6 336.0 294.6 341.2 1.54 7 400 7620 -14.7 -23.7 46 9.0 -17.3 75 8 335.9 336.2 294.6 341.0 1.41 8 354 8530 -20.3 -45.3 9 25.0 -23.9 62 5 340.3 340.3 294.6 341.1 0.19 9 300 9730 -28.7 -44.7 20 16.0 -30.7 60 7 344.9 345.0 295.7 345.9 0.24 10 250 11010 -39.1 -55.1 17 16.0 -40.1 95 16 347.9 348.0 296.3 348.3 0.09 11 200 12500 -52.3 -63.3 25 11.0 -52.6 95 20 349.9 350.0 296.7 350.1 0.04 12 150 14290 -67.3 -75.3 31 8.0 -67.4 105 34 354.2 354.2 297.5 354.2 0.01 13 116 15801 -78.7 -82.4 55 3.7 -78.7 107 23 360.1 360.1 298.7 360.1 0.00 14 111 16051 -80.1 -84.2 50 4.1 -80.1 100 23 362.0 362.0 299.1 362.0 0.00 15 100 16640 -81.7 -86.7 42 5.0 -81.7 85 14 369.9 369.9 300.5 369.9 0.00 16 97 16812 -82.1 -86.9 44 4.8 -82.1 95 12 372.3 372.3 300.9 372.3 0.00 17 70 18660 -79.3 -87.3 26 8.0 -79.3 270 9 414.7 414.7 307.1 414.7 0.00 18 50 20640 -68.7 -82.7 12 14.0 -68.9 280 24 481.6 481.6 313.6 481.6 0.01 19 30 23760 -61.3 -81.3 5 20.0 -62.0 265 9 577.5 577.5 319.5 577.6 0.02 20 28 24198 -51.9 -76.9 3 25.0 -54.1 244 6 615.2 615.2 321.3 615.5 0.04 21 25 24925 -55.9 -78.9 4 23.0 -57.5 623.9 624.0 321.7 624.2 0.03 TRP 97 16812 -82.1 -86.9 44 4.8 -82.1 95 12 372.3 372.3 300.9 372.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 554.30 mb = 5146.84 m = 16885.76 ft Wetbulb zero: 604.21 mb = 4349.99 m = 14271.43 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 60.07 % Est. max temperature: 33.74 C = 92.73 F Sfc-Lift cond lev (LCL): 923.50 mb = 782.09 m = 2565.88 ft T: 24.50 C 700-500 lapse rate: 5.52 C/km ThetaE index: 18.40 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 755.96 mb = 2499.44 m = 8200.17 ft Mean mixing ratio: 13.71 g/kg Conv temperature: 38.90 C = 102.02 F Cap Strength: 3.13 C Lifted Index: 1.10 C Risk: Showers probable Lifted Index @300 mb: 3.04 C Lifted Index @700 mb: 2.13 C Showalter Index: 3.20 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 23.50 C Cross Totals Index: 16.50 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 169.80 Risk: None Energy Index: -0.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.63 J/kg Max Up Vert Vel: 4.15 m/s Conv Inhibition (B-): 22001.99 J/kg Cap Strength: 3.13 C Lift Cond Lev (LCL): 847.29 mb = 1530.18 m = 5020.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 4 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 1007 5 260 3 3.0 0.5 | 178 3 -0.1 3.4 1 1000 78 235 4 3.3 2.3 | 183 5 0.2 5.2 2 975 305 205 1 0.4 0.9 | 145 5 -2.6 3.8 3 942 610 250 6 5.6 2.1 | 208 6 2.6 4.9 4 925 768 260 9 8.9 1.6 | 233 7 5.8 4.4 5 910 914 270 10 10.0 -0.0 | 247 8 7.0 2.9 6 878 1219 275 11 11.0 -1.0 | 256 8 7.9 1.9 7 850 1503 270 9 9.0 -0.0 | 244 7 6.0 2.9 8 818 1829 265 8 8.0 0.7 | 234 6 4.9 3.6 9 789 2134 280 6 5.9 -1.0 | 237 3 2.9 1.8 10 761 2438 295 7 6.3 -3.0 | 271 3 3.3 -0.1 11 735 2743 290 6 5.6 -2.1 | 252 3 2.6 0.8 12 700 3153 290 5 4.7 -1.7 | 235 2 1.6 1.2 13 658 3658 295 7 6.3 -3.0 | 271 3 3.3 -0.1 14 610 4267 300 7 6.1 -3.5 | 282 3 3.0 -0.6 15 566 4877 35 1 -0.6 -0.8 | 120 4 -3.6 2.1 16 500 5890 85 3 -3.0 -0.3 | 113 7 -6.0 2.6 17 487 6096 80 4 -3.9 -0.7 | 107 7 -7.0 2.2 18 400 7620 75 8 -7.7 -2.1 | 94 11 -10.8 0.8 19 400 7620 80 9 -8.9 -1.6 | 96 12 -11.9 1.3 20 325 9144 50 3 -2.3 -1.9 | 100 5 -5.3 1.0 21 300 9730 60 7 -6.1 -3.5 | 86 9 -9.1 -0.6 22 262 10668 85 15 -14.9 -1.3 | 95 18 -18.0 1.6 23 250 11010 95 16 -15.9 1.4 | 103 19 -19.0 4.3 24 209 12192 95 16 -15.9 1.4 | 103 19 -19.0 4.3 25 200 12500 95 20 -19.9 1.7 | 101 23 -23.0 4.6 26 164 13716 85 24 -23.9 -2.1 | 92 27 -27.0 0.8 27 150 14290 105 34 -32.8 8.8 | 108 38 -35.9 11.7 28 127 15240 120 24 -20.8 12.0 | 122 28 -23.8 14.9 29 103 16459 90 22 -22.0 0.0 | 97 25 -25.0 2.9 30 100 16640 85 14 -13.9 -1.2 | 96 17 -17.0 1.7 31 97 16812 95 12 -12.0 1.0 | 105 16 -15.0 3.9 32 75 18288 290 11 10.3 -3.8 | 277 7 7.3 -0.9 33 70 18660 270 9 9.0 -0.0 | 244 7 6.0 2.9 34 58 19812 290 18 16.9 -6.2 | 283 14 13.9 -3.3 35 50 20640 280 24 23.6 -4.2 | 274 21 20.6 -1.3 36 45 21336 270 25 25.0 -0.0 | 263 22 22.0 2.9 37 35 22860 245 9 8.2 3.8 | 217 8 5.1 6.7 38 30 23760 265 9 9.0 0.8 | 238 7 5.9 3.7 39 26 24384 220 3 1.9 2.3 | 168 5 -1.1 5.2 Wind Parameters Mean winds (0-6000m): 283.4 at 5.6 knts Storm direction: 313.4 at 4.2 knts Shear (0-3000m) pos: 1.2 neg: 0.6 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 63.8 deg Storm rel helicity (0-3000m) pos: 20.3 neg: -9.2 tot: 11.1 m^2/s^2 ave: 3.7 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.29 Bulk Shear: 2.63 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 ------------------------------------------------------------------------------- 500 232 3 168 5| 0.0 2.1 2.1| 4.6 -3.7 0.9 1.8 0.08| 8.4 0.6 1000 256 5 207 5| 3.8 1.0 4.8| 16.7 -3.7 13.1 13.1 0.49| 8.2 4.1 1500 264 7 228 5| 2.5 0.8 3.3| 18.4 -6.6 11.8 7.9 0.38| 6.5 2.5 2000 265 7 231 5| 1.4 0.6 2.1| 18.7 -8.3 10.4 5.2 0.29| 5.6 1.6 2500 269 7 234 5| 1.4 0.5 1.9| 20.3 -8.3 11.9 4.8 0.33| 5.1 1.7 3000 272 7 237 5| 1.2 0.6 1.8| 20.3 -9.2 11.1 3.7 0.26| 4.5 1.2 4000 278 7 242 4| 1.1 0.5 1.6| 21.6 -9.3 12.3 3.1 0.30| 3.7 1.1 5000 281 6 242 4| 0.5 0.4 0.9| 26.9 -9.5 17.4 3.5 0.44| 3.9 1.7 6000 283 6 236 3| 0.5 0.3 0.8| 27.3 -10.7 16.6 2.8 0.39| 3.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250418.12.gif