UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 23 APR 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 74 SFC 955 477 22.4 22.1 98 0.3 22.2 0 0 299.5 302.7 297.0 351.5 17.80 2 940 616 21.4 21.3 99 0.1 21.3 273 0 299.8 303.0 296.7 350.2 17.21 3 925 756 21.6 20.7 95 0.9 21.0 185 1 301.4 304.5 296.8 351.0 16.84 4 913 870 23.0 19.9 83 3.1 20.8 191 3 304.0 307.0 297.1 352.2 16.23 5 850 1493 19.8 18.1 90 1.7 18.6 225 15 306.9 309.8 297.4 353.7 15.56 6 809 1919 17.4 15.1 86 2.3 15.8 244 18 308.7 311.2 296.5 349.5 13.47 7 797 2047 18.2 13.8 75 4.4 15.2 250 18 310.9 313.3 296.5 349.3 12.55 8 713 2992 10.6 9.0 90 1.6 9.6 293 24 312.6 314.5 295.3 344.0 10.17 9 700 3146 9.4 7.4 87 2.0 8.2 300 25 312.9 314.7 294.7 341.6 9.27 10 594 4490 1.0 1.0 100 0.0 1.0 280 25 318.2 319.5 294.4 340.3 6.95 11 586 4599 1.6 -1.7 79 3.3 -0.2 279 25 320.1 321.3 294.0 338.7 5.77 12 530 5401 -4.5 -4.9 97 0.4 -4.7 267 25 322.1 323.1 294.0 338.5 5.02 13 522 5521 -4.3 -4.3 100 0.0 -4.3 265 25 323.8 324.8 294.6 341.3 5.34 14 504 5797 -5.9 -5.9 100 0.0 -5.9 261 25 325.1 326.1 294.6 341.3 4.89 15 502 5829 -6.1 -18.1 38 12.0 -10.3 260 25 325.2 325.6 292.2 331.5 1.83 16 500 5860 -5.1 -21.1 27 16.0 -10.4 260 25 326.8 327.1 292.2 331.8 1.42 17 496 5924 -2.5 -24.5 17 22.0 -9.5 259 25 330.8 331.0 292.9 334.6 1.06 18 472 6316 -4.3 -46.3 2 42.0 -12.3 256 23 333.2 333.3 292.7 333.8 0.13 19 418 7263 -11.1 -48.1 3 37.0 -17.1 248 19 336.3 336.3 293.5 336.8 0.12 20 400 7600 -14.1 -42.1 7 28.0 -19.1 245 17 336.7 336.7 293.7 337.6 0.24 21 372 8147 -18.5 -30.5 34 12.0 -21.2 249 17 337.9 338.1 294.6 340.9 0.81 22 302 9672 -28.9 -36.9 46 8.0 -30.2 260 17 344.0 344.1 295.7 346.1 0.53 23 300 9720 -29.3 -37.3 46 8.0 -30.6 260 17 344.1 344.2 295.8 346.1 0.52 24 289 9984 -30.7 -48.7 15 18.0 -32.6 259 17 345.8 345.8 295.8 346.4 0.16 25 271 10435 -34.5 -43.5 40 9.0 -35.5 257 17 346.7 346.7 296.1 347.9 0.30 26 253 10909 -38.5 -56.5 13 18.0 -39.6 255 17 347.6 347.7 296.2 347.9 0.07 27 250 10990 -39.1 -55.1 17 16.0 -40.1 255 17 347.9 348.0 296.3 348.3 0.09 28 245 11128 -40.3 -53.3 24 13.0 -41.1 254 17 348.2 348.2 296.3 348.6 0.11 29 243 11184 -40.7 -43.3 76 2.6 -40.9 253 17 348.4 348.4 296.5 349.8 0.34 30 242 11212 -41.1 -43.0 82 1.9 -41.3 253 17 348.2 348.3 296.5 349.6 0.35 31 238 11326 -41.9 -60.9 11 19.0 -42.8 252 17 348.6 348.7 296.4 348.8 0.04 32 219 11884 -46.9 -53.9 45 7.0 -47.3 246 16 349.3 349.3 296.6 349.8 0.11 33 213 12068 -48.5 -56.5 39 8.0 -48.8 244 16 349.6 349.6 296.6 350.0 0.09 34 209 12193 -49.5 -54.5 56 5.0 -49.7 243 15 350.0 350.0 296.7 350.4 0.11 35 203 12383 -51.1 -53.5 75 2.4 -51.2 241 15 350.4 350.4 296.8 350.9 0.13 36 200 12480 -51.9 -56.3 59 4.4 -52.1 240 15 350.6 350.6 296.8 351.0 0.09 37 197 12578 -52.7 -59.7 42 7.0 -52.9 243 15 350.8 350.8 296.8 351.1 0.06 38 172 13437 -60.3 -62.2 78 1.9 -60.3 266 12 352.1 352.1 297.1 352.4 0.05 39 162 13808 -61.9 -68.9 39 7.0 -62.0 277 11 355.5 355.5 297.8 355.6 0.02 40 150 14280 -65.3 -72.3 37 7.0 -65.4 290 9 357.6 357.6 298.2 357.7 0.01 41 141 14655 -67.7 -74.7 36 7.0 -67.8 291 11 359.8 359.8 298.7 359.8 0.01 42 135 14916 -69.9 -73.9 56 4.0 -69.9 291 12 360.4 360.4 298.8 360.4 0.01 43 123 15465 -73.7 -81.7 28 8.0 -73.7 292 14 363.2 363.2 299.3 363.2 0.00 44 109 16166 -77.1 -81.9 46 4.8 -77.1 294 17 369.5 369.5 300.5 369.6 0.00 45 100 16660 -77.9 -84.9 31 7.0 -77.9 295 19 377.2 377.2 301.8 377.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 571.31 mb = 4809.37 m = 15778.59 ft Wetbulb zero: 587.07 mb = 4584.38 m = 15040.43 ft Precipitable water: 1.98 inches Sfc-500 mean rel hum: 89.14 % Est. max temperature: 32.23 C = 90.01 F Sfc-Lift cond lev (LCL): 951.20 mb = 512.05 m = 1679.94 ft T: 22.15 C 700-500 lapse rate: 5.34 C/km ThetaE index: 15.22 C Layer 809.0- 522.0 mb Conv cond level (CCL): 827.26 mb = 1726.63 m = 5664.74 ft Mean mixing ratio: 16.38 g/kg Conv temperature: 30.71 C = 87.28 F Cap Strength: 2.24 C Lifted Index: -2.92 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.10 C Lifted Index @700 mb: -1.81 C Showalter Index: -3.42 C Risk: Severe thunderstorms possible Total Totals Index: 48.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 23.20 C K Index: 41.00 Risk: > 80 % chance of thunderstorms Sweat Index: 368.90 Risk: Showers and thunderstorms possible Energy Index: -4.27 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 770.33 J/kg Max Up Vert Vel: 39.25 m/s Conv Inhibition (B-): 76.18 J/kg Cap Strength: 1.99 C Lift Cond Lev (LCL): 880.65 mb = 1184.39 m = 3885.75 ft Lev Free Conv (LFC): 735.65 mb = 2726.91 m = 8946.46 ft Equ Level (EL): 485.65 mb = 6090.55 m = 19981.87 ft B at Equ Level: 380.93 J/kg Max Parcel Lev (MPL): 105.65 mb = 16344.65 m = 53623.52 ft Wind level data Storm motion: 303 at 15 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 ---------------------------------------------------------- 0 955 477 0 0 -0.0 -0.0 | 123 15 -12.9 8.3 1 925 756 185 1 0.1 1.0 | 126 16 -12.8 9.3 2 850 1493 225 15 10.6 10.6 | 173 19 -2.2 18.9 3 700 3146 300 25 21.7 -12.5 | 295 10 8.8 -4.2 4 500 5860 260 25 24.6 4.3 | 223 17 11.8 12.7 5 400 7600 245 17 15.4 7.2 | 189 16 2.6 15.5 6 300 9720 260 17 16.7 3.0 | 199 12 3.9 11.3 7 250 10990 255 17 16.4 4.4 | 196 13 3.6 12.7 8 200 12480 240 15 13.0 7.5 | 180 16 0.1 15.8 9 150 14280 290 9 8.5 -3.1 | 140 7 -4.4 5.3 10 100 16660 295 19 17.2 -8.0 | 266 4 4.4 0.3 Wind Parameters Mean winds (0-6000m): 273.0 at 20.4 knts Storm direction: 303.0 at 15.3 knts Shear (0-3000m) pos: 4.5 neg: 0.9 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 160.1 deg Storm rel helicity (0-3000m) pos: 160.3 neg: -5.0 tot: 155.3 m^2/s^2 ave: 51.8 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 6.7 10^-3/s Energy-Hel index: 0.62 Bulk Rich Number: 14.27 Bulk Shear: 53.98 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 ------------------------------------------------------------------------------- 500 193 2 128 16| 0.0 5.4 5.4| 20.6 0.0 20.6 41.1 0.80| 6.1 4.9 1000 221 6 145 16| 5.3 2.7 8.0| 71.9 0.0 71.9 71.9 0.92| 8.5 7.8 1500 230 9 158 15| 5.2 1.8 7.0|102.1 0.0 102.1 68.1 0.91| 8.2 7.5 2000 243 12 170 14| 5.2 1.3 6.5|128.1 0.0 128.1 64.0 0.90| 8.3 7.4 2500 259 14 185 11| 5.1 1.1 6.2|152.3 0.0 152.3 60.9 0.91| 8.6 7.8 3000 271 16 200 9| 4.5 0.9 5.4|160.3 -5.0 155.3 51.8 0.84| 8.0 6.7 4000 278 18 221 8| 3.4 1.5 4.9|160.3 -22.4 137.8 34.5 0.63| 6.8 4.3 5000 277 20 227 9| 2.7 1.8 4.5|160.3 -42.4 117.8 23.6 0.47| 6.1 2.9 6000 273 20 226 10| 2.3 1.8 4.1|160.3 -66.8 93.5 15.6 0.34| 5.6 1.9 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250423.00.gif