UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for VTCC... Searching the city database file for: VTCC ... Date:1200Z 16 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 78 SFC 974 314 27.2 21.2 70 6.0 22.9 120 3 302.6 305.7 297.0 351.4 16.49 2 925 769 26.4 17.4 58 9.0 20.1 210 7 306.3 308.8 296.0 347.3 13.64 3 850 1510 21.6 15.6 69 6.0 17.5 185 8 308.8 311.3 296.4 348.9 13.23 4 700 3165 10.8 4.8 66 6.0 7.2 305 8 314.4 315.9 294.0 338.6 7.73 5 500 5890 -4.5 -14.5 46 10.0 -8.5 260 24 327.6 328.0 293.3 336.1 2.49 6 400 7610 -13.9 -24.9 39 11.0 -17.1 280 34 336.9 337.2 294.7 341.6 1.27 7 300 9730 -29.9 -33.8 69 3.9 -30.6 255 36 343.2 343.4 295.7 346.0 0.73 8 250 11000 -39.5 -44.5 59 5.0 -39.9 245 43 347.3 347.4 296.3 348.5 0.29 9 200 12490 -51.7 -57.7 49 6.0 -51.9 245 53 350.9 350.9 296.9 351.2 0.08 10 169 13559 -60.6 -66.0 49 5.4 -60.7 245 58 353.4 353.4 297.4 353.6 0.03 11 150 14290 -66.9 -71.9 49 5.0 -67.0 245 47 354.8 354.8 297.7 354.9 0.02 12 100 16660 -77.9 -85.9 26 8.0 -77.9 350 16 377.2 377.2 301.8 377.2 0.00 13 88 17386 -82.5 -88.5 35 6.0 -82.5 25 32 382.0 382.0 302.6 382.1 0.00 14 70 18670 -82.5 -88.5 35 6.0 -82.5 50 7 407.9 407.9 306.2 407.9 0.00 15 68 18832 -82.5 -88.5 35 6.0 -82.5 71 9 411.3 411.3 306.7 411.3 0.00 16 62 19351 -79.1 -88.1 21 9.0 -79.1 139 14 429.8 429.8 308.8 429.8 0.00 17 60 19541 -71.9 -85.9 11 14.0 -72.0 163 16 450.0 450.0 310.8 450.0 0.00 18 59 19640 -71.9 -86.9 9 15.0 -72.0 176 17 452.1 452.1 311.1 452.2 0.00 19 51 20502 -69.9 -84.9 9 15.0 -70.1 79 6 476.1 476.1 313.1 476.1 0.01 20 50 20620 -68.1 -84.1 8 16.0 -68.3 60 4 483.0 483.0 313.7 483.0 0.01 21 40 21986 -60.3 -83.3 3 23.0 -61.0 534.4 534.4 317.2 534.5 0.01 TRP 88 17386 -82.5 -88.5 35 6.0 -82.5 25 32 382.0 382.0 302.6 382.1 0.00 WND 169 13559 -60.6 -66.0 49 5.4 -60.7 245 58 353.4 353.4 297.4 353.6 0.03 Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 558.82 mb = 5088.53 m = 16694.45 ft Wetbulb zero: 607.96 mb = 4306.73 m = 14129.51 ft Precipitable water: 1.84 inches Sfc-500 mean rel hum: 60.86 % Est. max temperature: 34.23 C = 93.61 F Sfc-Lift cond lev (LCL): 892.78 mb = 1079.68 m = 3542.21 ft T: 24.39 C 700-500 lapse rate: 5.61 C/km ThetaE index: 12.83 C Layer 700.0- 400.0 mb Conv cond level (CCL): 752.88 mb = 2544.22 m = 8347.07 ft Mean mixing ratio: 14.25 g/kg Conv temperature: 36.86 C = 98.35 F Cap Strength: 3.61 C Lifted Index: -1.06 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.74 C Lifted Index @700 mb: 0.58 C Showalter Index: -1.15 C Risk: Thunderstorms probable Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 20.10 C K Index: 35.70 Risk: > 80 % chance of thunderstorms Sweat Index: 227.20 Risk: None Energy Index: -2.49 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 174.82 J/kg Max Up Vert Vel: 18.70 m/s Conv Inhibition (B-): 172.04 J/kg Cap Strength: 3.61 C Lift Cond Lev (LCL): 824.59 mb = 1768.68 m = 5802.68 ft Lev Free Conv (LFC): 639.59 mb = 3895.90 m = 12781.68 ft Equ Level (EL): 259.59 mb = 10737.73 m = 35228.33 ft B at Equ Level: 173.39 J/kg Max Parcel Lev (MPL): 169.59 mb = 13537.03 m = 44412.30 ft Wind level data Storm motion: 296 at 10 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 ---------------------------------------------------------- 0 974 314 120 3 -2.6 1.5 | 117 13 -12.0 6.1 1 942 610 200 9 3.1 8.5 | 154 15 -6.3 13.1 2 925 769 210 7 3.5 6.1 | 151 12 -5.9 10.7 3 910 914 200 11 3.8 10.3 | 159 16 -5.6 15.0 4 879 1219 185 8 0.7 8.0 | 145 15 -8.7 12.6 5 850 1510 185 8 0.7 8.0 | 145 15 -8.7 12.6 6 819 1829 255 10 9.7 2.6 | 182 7 0.3 7.2 7 790 2134 295 8 7.3 -3.4 | 121 2 -2.1 1.3 8 762 2438 325 8 4.6 -6.6 | 68 5 -4.8 -1.9 9 736 2743 310 8 6.1 -5.1 | 81 3 -3.3 -0.5 10 700 3165 305 8 6.6 -4.6 | 91 3 -2.8 0.1 11 659 3658 280 16 15.8 -2.8 | 254 7 6.4 1.9 12 611 4267 270 18 18.0 -0.0 | 242 10 8.6 4.6 13 567 4877 270 20 20.0 -0.0 | 246 12 10.6 4.6 14 500 5890 260 24 23.6 4.2 | 238 17 14.3 8.8 15 487 6096 270 20 20.0 -0.0 | 246 12 10.6 4.6 16 400 7610 280 34 33.5 -5.9 | 273 24 24.1 -1.3 17 399 7620 280 32 31.5 -5.6 | 272 22 22.1 -0.9 18 325 9144 265 37 36.9 3.2 | 254 29 27.5 7.9 19 300 9730 255 36 34.8 9.3 | 241 29 25.4 14.0 20 262 10668 245 41 37.2 17.3 | 232 35 27.8 22.0 21 250 11000 245 43 39.0 18.2 | 232 37 29.6 22.8 22 209 12192 245 50 45.3 21.1 | 234 44 35.9 25.8 23 200 12490 245 53 48.0 22.4 | 235 47 38.7 27.0 24 169 13559 245 58 52.6 24.5 | 236 52 43.2 29.2 25 165 13716 245 56 50.8 23.7 | 236 50 41.4 28.3 26 150 14290 245 47 42.6 19.9 | 234 41 33.2 24.5 27 127 15240 285 27 26.1 -7.0 | 278 17 16.7 -2.3 28 103 16459 345 17 4.4 -16.4 | 23 13 -5.0 -11.8 29 100 16660 350 16 2.8 -15.8 | 31 13 -6.6 -11.1 30 88 17386 25 32 -13.5 -29.0 | 43 33 -22.9 -24.4 31 75 18288 30 2 -1.0 -1.7 | 106 11 -10.4 2.9 32 70 18670 50 7 -5.4 -4.5 | 91 15 -14.7 0.1 33 57 19812 195 18 4.7 17.4 | 168 23 -4.7 22.0 34 50 20620 60 4 -3.5 -2.0 | 102 13 -12.8 2.6 35 43 21336 30 2 -1.0 -1.7 | 106 11 -10.4 2.9 Wind Parameters Mean winds (0-6000m): 266.4 at 14.0 knts Storm direction: 296.4 at 10.5 knts Shear (0-3000m) pos: 2.4 neg: 0.2 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -76.3 deg Storm rel helicity (0-3000m) pos: 67.8 neg: -22.1 tot: 45.7 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 1.5 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 7.27 Bulk Shear: 24.06 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 ------------------------------------------------------------------------------- 500 194 7 146 14| 8.9 0.0 8.9| 39.2 -1.3 37.8 75.7 0.79| 12.7 10.0 1000 194 8 149 14| 4.4 1.6 6.0| 43.8 -17.2 26.5 26.5 0.37| 9.9 3.6 1500 199 8 151 14| 5.2 1.1 6.2| 66.6 -17.2 49.3 32.9 0.48| 10.2 4.9 2000 218 8 159 12| 3.5 0.8 4.3| 66.6 -21.4 45.2 22.6 0.23| 10.1 2.3 2500 237 8 165 10| 2.8 0.6 3.4| 67.5 -22.0 45.5 18.2 0.22| 8.8 1.9 3000 253 8 168 7| 2.4 0.2 2.6| 67.8 -22.1 45.7 15.2 0.19| 7.9 1.5 4000 266 10 189 5| 1.8 1.4 3.2| 67.8 -26.8 41.0 10.3 0.06| 7.4 0.5 5000 267 12 208 6| 1.4 1.5 2.9| 69.9 -29.2 40.7 8.1 0.06| 6.3 0.4 6000 266 14 219 7| 1.3 1.5 2.8| 80.8 -33.4 47.4 7.9 0.08| 6.1 0.5 Wrote GIF file: /home/apache/climate/data/raob//VTCC/skewt/VTCC.skewt.20250416.12.gif