UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for VTSH... Searching the city database file for: VTSH ... Date:1200Z 17 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 1008 5 30.4 25.7 76 4.7 26.9 110 2 302.9 306.7 299.8 365.5 21.05 1 1000 88 28.8 20.8 62 8.0 23.0 5 9 302.0 304.8 296.2 348.1 15.65 2 925 777 24.2 17.2 65 7.0 19.4 235 2 304.1 306.5 295.3 344.1 13.47 3 850 1512 19.4 13.4 68 6.0 15.4 275 4 306.5 308.6 294.6 340.9 11.44 4 848 1532 19.2 13.2 68 6.0 15.3 274 4 306.5 308.6 294.4 340.5 11.32 5 700 3160 10.6 4.6 66 6.0 7.1 250 9 314.2 315.7 293.9 338.0 7.62 6 500 5890 -3.9 -11.9 54 8.0 -7.3 10 4 328.3 328.9 294.0 338.7 3.07 7 436 6960 -9.5 -18.5 48 9.0 -12.7 52 5 334.3 334.7 294.7 341.5 2.04 8 400 7620 -14.5 -21.5 55 7.0 -16.7 65 5 336.1 336.5 294.8 342.3 1.72 9 300 9740 -29.3 -43.3 25 14.0 -31.0 135 8 344.1 344.1 295.6 345.2 0.28 10 285 10103 -32.1 -50.1 15 18.0 -33.8 185 6 345.2 345.2 295.7 345.7 0.14 11 250 11010 -39.3 -55.3 17 16.0 -40.3 40 12 347.6 347.7 296.2 348.0 0.08 12 201 12468 -51.7 -56.7 55 5.0 -51.9 103 17 350.4 350.4 296.8 350.8 0.09 13 200 12500 -52.1 -58.1 48 6.0 -52.3 105 17 350.3 350.3 296.8 350.6 0.07 14 150 14290 -67.5 -74.5 36 7.0 -67.5 120 22 353.8 353.8 297.4 353.9 0.01 15 126 15321 -76.3 -84.3 27 8.0 -76.3 95 18 356.0 356.0 297.9 356.0 0.00 16 100 16640 -81.1 -87.1 36 6.0 -81.1 35 9 371.0 371.0 300.8 371.0 0.00 17 92 17111 -82.3 -88.3 35 6.0 -82.3 25 16 377.6 377.6 301.9 377.6 0.00 18 70 18670 -77.1 -86.1 22 9.0 -77.1 270 22 419.4 419.4 307.6 419.5 0.00 19 50 20640 -69.3 -83.3 11 14.0 -69.5 290 25 480.2 480.2 313.5 480.2 0.01 20 32 23377 -58.3 -81.3 4 23.0 -59.3 40 7 575.0 575.0 319.4 575.1 0.02 TRP 92 17111 -82.3 -88.3 35 6.0 -82.3 25 16 377.6 377.6 301.9 377.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5802.00 m Freezing level: 553.79 mb = 5155.72 m = 16914.90 ft Wetbulb zero: 601.77 mb = 4386.88 m = 14392.47 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 63.33 % Est. max temperature: 33.75 C = 92.76 F Sfc-Lift cond lev (LCL): 942.40 mb = 612.34 m = 2008.95 ft T: 25.30 C 700-500 lapse rate: 5.31 C/km ThetaE index: 27.44 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 789.03 mb = 2143.96 m = 7033.91 ft Mean mixing ratio: 14.61 g/kg Conv temperature: 36.95 C = 98.51 F Cap Strength: 2.78 C Lifted Index: 0.30 C Risk: Showers probable Lifted Index @300 mb: 0.97 C Lifted Index @700 mb: 0.97 C Showalter Index: 2.53 C Risk: Showers probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 17.30 C K Index: 30.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 172.80 Risk: None Energy Index: -0.40 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.57 J/kg Max Up Vert Vel: 3.63 m/s Conv Inhibition (B-): 11756.76 J/kg Cap Strength: 2.78 C Lift Cond Lev (LCL): 861.43 mb = 1395.88 m = 4579.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 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 1008 5 110 2 -1.9 0.7 | 120 6 -5.0 2.9 1 1000 88 5 9 -0.8 -9.0 | 30 8 -3.9 -6.8 2 976 305 45 1 -0.7 -0.7 | 111 4 -3.8 1.5 3 943 610 245 1 0.9 0.4 | 140 3 -2.2 2.6 4 925 777 235 2 1.6 1.1 | 156 4 -1.5 3.4 5 910 914 250 1 0.9 0.3 | 139 3 -2.2 2.5 6 879 1219 280 3 3.0 -0.5 | 174 2 -0.2 1.7 7 850 1512 275 4 4.0 -0.3 | 205 2 0.9 1.9 8 819 1829 260 3 3.0 0.5 | 177 3 -0.2 2.7 9 790 2134 265 4 4.0 0.3 | 199 3 0.9 2.6 10 762 2438 265 5 5.0 0.4 | 215 3 1.9 2.6 11 735 2743 255 7 6.8 1.8 | 222 5 3.6 4.0 12 700 3160 250 9 8.5 3.1 | 225 8 5.3 5.3 13 658 3658 260 8 7.9 1.4 | 233 6 4.8 3.6 14 611 4267 270 6 6.0 -0.0 | 233 4 2.9 2.2 15 567 4877 290 6 5.6 -2.1 | 266 3 2.5 0.2 16 500 5890 10 4 -0.7 -3.9 | 66 4 -3.8 -1.7 17 487 6096 35 4 -2.3 -3.3 | 79 6 -5.4 -1.1 18 400 7620 65 5 -4.5 -2.1 | 91 8 -7.7 0.1 19 400 7620 50 4 -3.1 -2.6 | 87 6 -6.2 -0.4 20 325 9144 105 9 -8.7 2.3 | 111 13 -11.8 4.5 21 300 9740 135 8 -5.7 5.7 | 132 12 -8.8 7.9 22 263 10668 265 3 3.0 0.3 | 177 2 -0.1 2.5 23 250 11010 40 12 -7.7 -9.2 | 57 13 -10.8 -7.0 24 209 12192 85 16 -15.9 -1.4 | 92 19 -19.1 0.8 25 200 12500 105 17 -16.4 4.4 | 109 21 -19.5 6.6 26 164 13716 115 23 -20.8 9.7 | 116 27 -24.0 11.9 27 150 14290 120 22 -19.1 11.0 | 121 26 -22.2 13.2 28 127 15240 95 19 -18.9 1.7 | 100 22 -22.0 3.9 29 103 16459 85 8 -8.0 -0.7 | 98 11 -11.1 1.5 30 100 16640 35 9 -5.2 -7.4 | 58 10 -8.3 -5.2 31 92 17111 25 16 -6.8 -14.5 | 39 16 -9.9 -12.3 32 75 18288 215 12 6.9 9.8 | 197 13 3.8 12.0 33 70 18670 270 22 22.0 -0.0 | 263 19 18.9 2.2 34 58 19812 270 30 30.0 -0.0 | 265 27 26.9 2.2 35 50 20640 290 25 23.5 -8.6 | 287 21 20.4 -6.3 36 43 21336 295 22 19.9 -9.3 | 293 18 16.8 -7.1 37 32 22860 45 6 -4.2 -4.2 | 75 8 -7.4 -2.0 Wind Parameters Mean winds (0-6000m): 275.3 at 5.1 knts Storm direction: 305.3 at 3.8 knts Shear (0-3000m) pos: 0.4 neg: 1.3 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 104.6 deg Storm rel helicity (0-3000m) pos: 15.9 neg: -12.7 tot: 3.2 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.23 Bulk Shear: 5.33 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 9 3 72 4| 0.0 3.1 3.1| 10.9 -11.3 -0.5 -0.9 -0.08| 20.4 -1.6 1000 346 2 88 3| 0.0 1.8 1.8| 12.5 -12.0 0.5 0.5 -0.02| 11.8 -0.2 1500 306 3 123 1| 0.9 1.2 2.0| 13.6 -12.0 1.6 1.1 0.06| 8.8 0.6 2000 289 3 160 1| 0.6 0.8 1.4| 14.0 -12.7 1.3 0.7 0.04| 7.0 0.3 2500 280 3 179 2| 0.5 1.0 1.5| 15.1 -12.7 2.5 1.0 0.09| 6.0 0.5 3000 270 4 197 2| 0.4 1.3 1.8| 15.9 -12.7 3.2 1.1 0.10| 5.5 0.5 4000 264 5 213 3| 0.4 1.0 1.4| 17.7 -12.7 5.1 1.3 0.12| 4.6 0.5 5000 267 5 220 3| 0.6 0.8 1.4| 19.7 -12.7 6.9 1.4 0.17| 4.1 0.7 6000 275 5 228 3| 0.8 0.7 1.5| 23.9 -12.7 11.2 1.9 0.27| 4.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//VTSH/skewt/VTSH.skewt.20250417.12.gif