UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 27 APR 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1000 81 27.8 24.3 81 3.5 25.2 0 0 301.0 304.5 298.4 358.3 19.47 1 925 764 23.8 20.5 82 3.3 21.4 265 9 303.6 306.7 297.3 353.1 16.63 2 850 1502 20.8 15.8 73 5.0 17.4 0 0 307.9 310.4 296.3 348.4 13.40 3 700 3152 12.0 -2.0 38 14.0 4.6 160 1 315.8 316.7 291.9 330.8 4.72 4 500 5880 -5.1 -7.5 83 2.4 -6.2 50 3 326.8 327.7 294.7 341.4 4.36 5 400 7610 -14.5 -18.3 73 3.8 -15.8 155 2 336.1 336.6 295.3 344.2 2.26 6 300 9720 -29.3 -32.4 74 3.1 -29.9 85 2 344.1 344.3 296.0 347.3 0.84 7 250 11000 -39.3 -43.0 68 3.7 -39.6 10 5 347.6 347.7 296.4 349.0 0.34 8 200 12480 -51.9 -55.8 63 3.9 -52.1 320 7 350.6 350.6 296.8 351.0 0.10 9 150 14280 -67.1 -72.1 49 5.0 -67.1 350 7 354.5 354.5 297.6 354.6 0.02 10 100 16620 -81.9 -85.5 54 3.6 -81.9 95 11 369.5 369.5 300.5 369.5 0.00 11 92 17090 -79.5 -84.1 46 4.6 -79.5 383.2 383.2 302.8 383.2 0.00 12 89 17278 -80.1 -83.4 58 3.3 -80.1 385.6 385.6 303.1 385.6 0.00 13 87 17406 -80.3 -86.3 36 6.0 -80.3 387.7 387.7 303.5 387.7 0.00 14 83 17672 -80.9 -85.5 46 4.6 -80.9 391.8 391.8 304.0 391.8 0.00 15 79 17953 -77.1 -85.1 27 8.0 -77.1 405.2 405.2 305.9 405.2 0.00 16 72 18483 -79.1 -81.3 70 2.2 -79.1 411.8 411.8 306.7 411.9 0.01 TRP 100 16620 -81.9 -85.5 54 3.6 -81.9 95 11 369.5 369.5 300.5 369.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5798.67 m Freezing level: 559.65 mb = 5066.39 m = 16621.80 ft Wetbulb zero: 615.31 mb = 4197.50 m = 13771.17 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 63.45 % Est. max temperature: 34.79 C = 94.61 F Sfc-Lift cond lev (LCL): 950.97 mb = 521.57 m = 1711.18 ft T: 25.22 C 700-500 lapse rate: 6.27 C/km ThetaE index: 27.49 C Layer 925.0- 500.0 mb Conv cond level (CCL): 826.86 mb = 1736.61 m = 5697.47 ft Mean mixing ratio: 17.54 g/kg Conv temperature: 35.90 C = 96.62 F Cap Strength: 1.95 C Lifted Index: -3.83 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.48 C Lifted Index @700 mb: 0.14 C Showalter Index: -1.60 C Risk: Thunderstorms probable Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 20.90 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 192.60 Risk: None Energy Index: -1.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1175.78 J/kg Max Up Vert Vel: 48.49 m/s Conv Inhibition (B-): 99.26 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 903.45 mb = 969.71 m = 3181.43 ft Lev Free Conv (LFC): 688.45 mb = 3286.85 m = 10783.51 ft Equ Level (EL): 148.45 mb = 14339.82 m = 47046.09 ft B at Equ Level: 1170.93 J/kg Max Parcel Lev (MPL): 88.45 mb = 17312.61 m = 56799.22 ft Wind level data Storm motion: 77 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 1000 81 0 0 -0.0 -0.0 | 257 4 3.4 0.8 1 1000 74 0 0 -0.0 -0.0 | 257 4 3.4 0.8 2 974 305 255 6 5.8 1.6 | 256 10 9.2 2.3 3 941 610 265 12 12.0 1.0 | 263 16 15.4 1.8 4 925 764 265 9 9.0 0.8 | 263 13 12.4 1.6 5 909 914 280 8 7.9 -1.4 | 273 11 11.3 -0.6 6 878 1219 0 0 -0.0 -0.0 | 257 4 3.4 0.8 7 850 1502 0 0 -0.0 -0.0 | 257 4 3.4 0.8 8 848 1524 0 0 -0.0 -0.0 | 257 4 3.4 0.8 9 818 1829 85 3 -3.0 -0.3 | 221 1 0.5 0.5 10 789 2134 20 7 -2.4 -6.6 | 350 6 1.1 -5.8 11 761 2438 20 5 -1.7 -4.7 | 336 4 1.7 -3.9 12 734 2743 60 4 -3.5 -2.0 | 1 1 -0.0 -1.2 13 709 3048 155 2 -0.8 1.8 | 225 4 2.6 2.6 14 700 3152 160 1 -0.3 0.9 | 241 4 3.1 1.7 15 683 3353 160 2 -0.7 1.9 | 226 4 2.8 2.7 16 658 3658 115 6 -5.4 2.5 | 149 4 -2.0 3.3 17 588 4572 75 7 -6.8 -1.8 | 73 3 -3.3 -1.0 18 545 5182 5 5 -0.4 -5.0 | 324 5 3.0 -4.2 19 525 5486 45 4 -2.8 -2.8 | 343 2 0.6 -2.0 20 506 5791 25 4 -1.7 -3.6 | 328 3 1.8 -2.8 21 500 5880 50 3 -2.3 -1.9 | 315 2 1.2 -1.1 22 486 6096 100 2 -2.0 0.3 | 233 2 1.5 1.1 23 449 6706 15 4 -1.0 -3.9 | 322 4 2.4 -3.1 24 432 7010 15 1 -0.3 -1.0 | 273 3 3.2 -0.2 25 400 7610 155 2 -0.8 1.8 | 225 4 2.6 2.6 26 399 7620 110 3 -2.8 1.0 | 199 2 0.6 1.8 27 368 8230 215 7 4.0 5.7 | 229 10 7.5 6.5 28 353 8534 200 4 1.4 3.8 | 227 7 4.8 4.5 29 338 8839 20 3 -1.0 -2.8 | 310 3 2.4 -2.0 30 300 9720 85 2 -2.0 -0.2 | 247 2 1.5 0.6 31 299 9754 65 3 -2.7 -1.3 | 303 1 0.7 -0.5 32 274 10363 60 4 -3.5 -2.0 | 1 1 -0.0 -1.2 33 262 10668 15 3 -0.8 -2.9 | 308 3 2.7 -2.1 34 251 10973 35 5 -2.9 -4.1 | 350 3 0.6 -3.3 35 250 11000 10 5 -0.9 -4.9 | 328 5 2.6 -4.1 36 240 11278 360 4 -0.0 -4.0 | 313 5 3.4 -3.2 37 219 11887 325 7 4.0 -5.7 | 304 9 7.5 -4.9 38 200 12480 320 7 4.5 -5.4 | 300 9 7.9 -4.6 39 199 12497 305 10 8.2 -5.7 | 293 13 11.6 -4.9 40 190 12802 325 6 3.4 -4.9 | 301 8 6.9 -4.1 41 181 13106 30 7 -3.5 -6.1 | 1 5 -0.1 -5.3 42 172 13411 20 8 -2.7 -7.5 | 354 7 0.7 -6.7 43 164 13716 350 10 1.7 -9.8 | 330 10 5.2 -9.1 44 156 14021 30 10 -5.0 -8.7 | 11 8 -1.6 -7.9 45 150 14280 350 7 1.2 -6.9 | 323 8 4.7 -6.1 46 149 14326 325 4 2.3 -3.3 | 293 6 5.7 -2.5 47 141 14630 360 3 -0.0 -3.0 | 303 4 3.4 -2.2 48 127 15240 265 4 4.0 0.3 | 261 8 7.4 1.1 49 114 15850 330 7 3.5 -6.1 | 307 9 6.9 -5.3 50 108 16154 15 6 -1.6 -5.8 | 339 5 1.9 -5.0 51 103 16459 360 9 -0.0 -9.0 | 337 9 3.4 -8.2 52 100 16620 95 11 -11.0 1.0 | 103 8 -7.5 1.7 Wind Parameters Mean winds (0-6000m): 47.2 at 4.7 knts Storm direction: 77.2 at 3.5 knts Shear (0-3000m) pos: 2.1 neg: 2.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): -30.1 deg Storm rel helicity (0-3000m) pos: 22.5 neg: -12.2 tot: 10.4 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 1.3 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 80.86 Bulk Shear: 14.54 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 ------------------------------------------------------------------------------- 500 260 6 259 10| 0.0 11.8 11.8| 5.8 -6.4 -0.6 -1.3 -0.03| 13.5 -0.4 1000 268 7 264 11| 5.2 5.9 11.1| 19.7 -6.4 13.3 13.3 0.19| 12.3 2.4 1500 267 5 263 9| 4.0 3.9 7.9| 20.2 -9.1 11.1 7.4 0.10| 9.7 0.9 2000 273 5 266 8| 4.1 2.9 7.1| 20.7 -10.0 10.7 5.4 0.09| 9.5 0.8 2500 301 5 283 8| 3.1 2.4 5.4| 21.1 -12.2 8.9 3.6 0.05| 8.5 0.4 3000 312 5 288 7| 2.1 2.0 4.0| 22.5 -12.2 10.4 3.5 0.15| 8.5 1.3 4000 355 4 314 5| 1.6 0.7 2.3| 23.0 -19.8 3.2 0.8 0.00| 7.5 0.0 5000 55 5 15 2| 1.2 1.2 2.5| 23.0 -28.2 -5.2 -1.0 -0.13| 6.9 -0.9 6000 47 5 0 2| 1.2 1.0 2.2| 24.3 -30.9 -6.6 -1.1 -0.15| 6.6 -1.0 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20250427.12.gif