UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121011.upa.cvt Date: 1100Z 10 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1100Z 10 DEC 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 1001 71 32.6 20.6 49 12.0 23.9 100 1 305.7 308.5 297.0 351.9 15.44 1 1000 80 31.8 19.8 49 12.0 23.2 160 1 305.0 307.7 296.4 348.8 14.69 2 925 774 23.6 15.6 61 8.0 18.2 75 3 303.4 305.7 294.2 339.5 12.14 3 850 1505 17.2 13.8 80 3.4 15.0 60 15 304.2 306.3 294.1 339.2 11.75 4 700 3145 9.8 5.6 75 4.2 7.3 90 11 313.3 314.9 294.0 338.8 8.18 5 500 5870 -5.5 -20.5 30 15.0 -10.5 120 3 326.3 326.6 292.2 331.6 1.50 6 400 7600 -15.1 -28.1 32 13.0 -18.4 315 13 335.4 335.6 294.0 338.8 0.95 7 300 9700 -31.1 -38.1 50 7.0 -32.1 255 6 341.5 341.6 295.1 343.4 0.48 8 250 10970 -41.3 -50.3 37 9.0 -41.9 170 12 344.7 344.7 295.6 345.3 0.15 9 200 12440 -54.1 -60.1 48 6.0 -54.2 150 27 347.1 347.1 296.0 347.3 0.06 10 150 14230 -67.5 -79.5 17 12.0 -67.5 180 12 353.8 353.8 297.4 353.8 0.00 11 100 16570 -83.7 -89.7 34 6.0 -83.7 105 9 366.0 366.0 299.8 366.0 0.00 12 93 16969 -85.5 -90.5 40 5.0 -85.5 45 10 370.1 370.1 300.6 370.1 0.00 13 70 18560 -76.7 -87.7 16 11.0 -76.7 125 14 420.3 420.3 307.7 420.3 0.00 14 50 20530 -68.7 -90.7 3 22.0 -68.9 145 16 481.6 481.6 313.6 481.6 0.00 15 30 23620 -62.5 -95.5 0 33.0 -63.2 90 55 574.3 574.3 319.4 574.3 0.00 16 20 26160 -56.1 -91.1 0 35.0 -58.1 95 47 664.5 664.5 323.2 664.5 0.00 17 10 30750 -37.9 -77.9 1 40.0 -49.3 285 13 878.1 878.1 329.0 879.0 0.09 TRP 93 16969 -85.5 -90.5 40 5.0 -85.5 45 10 370.1 370.1 300.6 370.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 571.90 mb = 4890.42 m = 16044.51 ft Wetbulb zero: 618.06 mb = 4153.20 m = 13625.80 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 61.96 % Est. max temperature: 31.09 C = 87.97 F Sfc-Lift cond lev (LCL): 842.03 mb = 1584.53 m = 5198.53 ft T: 16.84 C 700-500 lapse rate: 5.61 C/km ThetaE index: 20.34 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 786.72 mb = 2158.49 m = 7081.58 ft Mean mixing ratio: 13.09 g/kg Conv temperature: 34.75 C = 94.55 F Cap Strength: 1.20 C Lifted Index: 0.05 C Risk: Showers probable Lifted Index @300 mb: 1.17 C Lifted Index @700 mb: 1.20 C Showalter Index: 1.63 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 19.30 C K Index: 32.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 198.60 Risk: None Energy Index: -1.42 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.88 J/kg Max Up Vert Vel: 3.43 m/s Conv Inhibition (B-): 28594.40 J/kg Cap Strength: 1.62 C Lift Cond Lev (LCL): 829.84 mb = 1707.71 m = 5602.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 94 at 5 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 1001 71 100 1 -1.0 0.2 | 272 4 4.3 -0.2 1 1000 80 160 1 -0.3 0.9 | 263 5 4.9 0.6 2 925 774 75 3 -2.9 -0.8 | 295 3 2.4 -1.1 3 910 914 65 4 -3.6 -1.7 | 321 3 1.6 -2.0 4 879 1219 80 10 -9.8 -1.7 | 66 5 -4.6 -2.1 5 850 1505 60 15 -13.0 -7.5 | 45 11 -7.7 -7.8 6 818 1829 50 10 -7.7 -6.4 | 20 7 -2.4 -6.8 7 789 2134 50 4 -3.1 -2.6 | 323 4 2.2 -2.9 8 761 2438 150 2 -1.0 1.7 | 252 4 4.3 1.4 9 708 3048 80 9 -8.9 -1.6 | 62 4 -3.6 -1.9 10 700 3145 90 11 -11.0 0.0 | 87 6 -5.7 -0.3 11 657 3658 70 15 -14.1 -5.1 | 58 10 -8.8 -5.5 12 609 4267 60 4 -3.5 -2.0 | 322 3 1.8 -2.3 13 587 4572 25 9 -3.8 -8.2 | 350 9 1.5 -8.5 14 524 5486 30 5 -2.5 -4.3 | 329 5 2.8 -4.7 15 500 5870 120 3 -2.6 1.5 | 246 3 2.7 1.2 16 486 6096 145 3 -1.7 2.5 | 239 4 3.5 2.1 17 449 6706 75 2 -1.9 -0.5 | 284 3 3.3 -0.8 18 432 7010 325 6 3.4 -4.9 | 301 10 8.7 -5.2 19 415 7315 320 9 5.8 -6.9 | 303 13 11.1 -7.2 20 400 7600 315 13 9.2 -9.2 | 303 17 14.5 -9.5 21 399 7620 320 13 8.4 -10.0 | 307 17 13.6 -10.3 22 367 8230 320 7 4.5 -5.4 | 300 11 9.8 -5.7 23 338 8839 320 22 14.1 -16.9 | 312 26 19.4 -17.2 24 311 9449 265 14 13.9 1.2 | 267 19 19.2 0.9 25 300 9700 255 6 5.8 1.6 | 264 11 11.1 1.2 26 298 9754 265 9 9.0 0.8 | 268 14 14.2 0.5 27 285 10058 235 3 2.5 1.7 | 260 8 7.7 1.4 28 273 10363 220 8 5.1 6.1 | 241 12 10.4 5.8 29 261 10668 190 10 1.7 9.8 | 216 12 7.0 9.5 30 250 10970 170 12 -2.1 11.8 | 195 12 3.2 11.5 31 250 10973 195 10 2.6 9.7 | 220 12 7.9 9.3 32 239 11278 165 14 -3.6 13.5 | 187 13 1.6 13.2 33 228 11582 150 8 -4.0 6.9 | 191 7 1.3 6.6 34 218 11887 150 15 -7.5 13.0 | 170 13 -2.2 12.7 35 200 12440 150 27 -13.5 23.4 | 160 24 -8.2 23.1 36 189 12802 155 26 -11.0 23.6 | 166 24 -5.7 23.2 37 163 13716 195 15 3.9 14.5 | 213 17 9.1 14.2 38 150 14230 180 12 0.0 12.0 | 204 13 5.3 11.7 39 133 14935 170 11 -1.9 10.8 | 198 11 3.4 10.5 40 126 15240 215 7 4.0 5.7 | 240 11 9.3 5.4 41 119 15545 285 11 10.6 -2.8 | 281 16 15.9 -3.2 42 102 16459 280 10 9.8 -1.7 | 278 15 15.1 -2.1 43 100 16570 105 9 -8.7 2.3 | 120 4 -3.4 2.0 44 97 16764 105 8 -7.7 2.1 | 125 3 -2.5 1.7 45 93 16969 45 10 -7.1 -7.1 | 14 8 -1.8 -7.4 46 70 18560 125 14 -11.5 8.0 | 141 10 -6.2 7.7 47 50 20530 145 16 -9.2 13.1 | 163 13 -3.9 12.8 48 30 23620 90 55 -55.0 0.0 | 90 50 -49.7 -0.3 49 20 26160 95 47 -46.8 4.1 | 95 42 -41.6 3.8 50 10 30750 285 13 12.6 -3.4 | 282 18 17.8 -3.7 Wind Parameters Mean winds (0-6000m): 63.5 at 7.0 knts Storm direction: 93.5 at 5.3 knts Shear (0-3000m) pos: 1.0 neg: 2.1 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 157.0 deg Storm rel helicity (0-3000m) pos: 5.8 neg: -28.6 tot: -22.8 m^2/s^2 ave: -7.6 10^-3 m/s^2 rel: -0.35 Storm rel vorticity (0-3000m) horiz: 7.5 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.17 Bulk Shear: 5.03 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 ------------------------------------------------------------------------------- 500 117 2 263 4| 0.0 1.5 1.5| 0.4 -1.2 -0.7 -1.5 -0.17| 3.0 -0.5 1000 80 3 287 3| 0.0 3.2 3.2| 3.9 -1.2 2.8 2.8 0.58| 4.4 2.6 1500 72 6 6 2| 0.0 4.5 4.5| 5.8 -8.7 -3.0 -2.0 0.20| 6.3 1.3 2000 65 7 16 3| 0.0 1.2 1.2| 5.8 -20.3 -14.5 -7.3 -0.10| 7.1 -0.7 2500 67 6 6 3| 1.2 1.0 2.2| 5.8 -24.7 -18.9 -7.6 -0.24| 7.2 -1.7 3000 70 6 11 2| 1.0 2.1 3.1| 5.8 -28.6 -22.8 -7.6 -0.35| 7.5 -2.6 4000 72 8 37 3| 0.8 1.5 2.3| 7.7 -43.7 -36.0 -9.0 -0.37| 7.6 -2.8 5000 65 8 24 4| 0.8 1.5 2.4| 9.7 -49.0 -39.3 -7.9 -0.34| 7.3 -2.5 6000 64 7 17 4| 1.4 1.3 2.7| 9.8 -53.1 -43.2 -7.2 -0.36| 6.9 -2.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251210.11.gif