UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 25 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 70 30.0 22.0 62 8.0 24.2 230 3 303.1 306.2 297.3 353.0 16.86 1 1000 79 29.6 21.6 62 8.0 23.8 0 1 302.8 305.8 297.0 351.5 16.46 2 925 767 23.4 16.4 65 7.0 18.6 280 5 303.2 305.6 294.6 341.2 12.78 3 850 1500 18.0 11.0 64 7.0 13.6 35 4 305.0 306.8 292.9 334.2 9.74 4 700 3136 10.8 -28.2 5 39.0 -1.2 45 11 314.4 314.5 287.5 316.3 0.54 5 500 5860 -4.1 -50.1 1 46.0 -12.1 105 16 328.0 328.1 291.2 328.4 0.08 6 400 7590 -13.3 -36.3 13 23.0 -18.1 165 8 337.7 337.8 294.1 339.4 0.43 7 300 9700 -30.1 -45.1 22 15.0 -31.8 160 7 343.0 343.0 295.3 343.9 0.23 8 250 10970 -40.9 -55.9 18 15.0 -41.7 220 12 345.3 345.3 295.7 345.6 0.08 9 200 12430 -53.7 -60.7 42 7.0 -53.9 150 26 347.7 347.7 296.2 348.0 0.05 10 150 14230 -65.7 -79.7 13 14.0 -65.8 90 8 356.9 356.9 298.1 356.9 0.00 11 101 16515 -83.5 -88.2 44 4.7 -83.5 85 9 365.4 365.4 299.7 365.4 0.00 12 100 16570 -83.5 -88.5 41 5.0 -83.5 105 10 366.4 366.4 299.9 366.4 0.00 13 88 17280 -84.3 -90.3 34 6.0 -84.3 89 13 378.4 378.4 302.0 378.4 0.00 14 75 18168 -82.7 -90.7 24 8.0 -82.7 97 19 399.5 399.5 305.2 399.5 0.00 15 73 18321 -79.3 -90.3 15 11.0 -79.3 98 20 409.8 409.8 306.5 409.8 0.00 16 70 18560 -78.1 -89.1 15 11.0 -78.1 100 22 417.3 417.3 307.4 417.3 0.00 17 52 20280 -74.3 -89.3 8 15.0 -74.4 56 25 463.2 463.2 312.1 463.2 0.00 18 50 20510 -72.9 -88.9 7 16.0 -73.0 50 25 471.7 471.7 312.8 471.7 0.00 19 43 21406 -67.1 -89.1 3 22.0 -67.4 59 29 506.8 506.8 315.4 506.8 0.00 20 40 21839 -69.9 -89.9 4 20.0 -70.1 63 32 510.3 510.3 315.7 510.3 0.00 21 38 22148 -64.5 -89.5 2 25.0 -64.9 66 33 531.6 531.6 317.0 531.6 0.00 22 35 22648 -66.3 -90.3 2 24.0 -66.7 71 35 539.6 539.6 317.5 539.6 0.00 23 30 23590 -62.5 -90.5 1 28.0 -63.2 80 40 574.3 574.3 319.4 574.3 0.00 24 28 24014 -63.1 -90.1 1 27.0 -63.8 85 41 584.0 584.0 319.9 584.1 0.00 25 27 24239 -59.3 -90.3 1 31.0 -60.4 88 42 600.8 600.8 320.6 600.8 0.00 26 20 26130 -55.9 -88.9 1 33.0 -57.9 110 46 665.1 665.1 323.3 665.1 0.01 27 19 26459 -56.5 -89.5 1 33.0 -58.5 121 46 673.0 673.0 323.5 673.1 0.01 28 16 27568 -53.1 -88.1 1 35.0 -56.2 160 45 718.0 718.0 325.0 718.1 0.01 29 14 28447 -47.1 -84.1 1 37.0 -52.7 190 45 766.3 766.3 326.4 766.5 0.02 30 13 28943 -45.9 -82.9 1 37.0 -52.2 206 45 786.9 786.9 326.9 787.2 0.03 31 12 29482 -42.9 -80.9 1 38.0 -50.8 224 45 815.7 815.8 327.6 816.2 0.05 32 10 30720 -42.3 -80.3 1 38.0 -51.3 265 44 861.6 861.7 328.7 862.3 0.06 33 8.7 31664 -41.3 -84.3 0 43.0 -51.5 900.5 900.6 329.4 900.9 0.04 TRP 101 16515 -83.5 -88.2 44 4.7 -83.5 85 9 365.4 365.4 299.7 365.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 555.03 mb = 5110.44 m = 16766.34 ft Wetbulb zero: 711.75 mb = 2995.73 m = 9828.38 ft Precipitable water: 1.13 inches Sfc-500 mean rel hum: 26.05 % Est. max temperature: 31.92 C = 89.45 F Sfc-Lift cond lev (LCL): 891.75 mb = 1084.33 m = 3557.47 ft T: 21.06 C 700-500 lapse rate: 5.47 C/km ThetaE index: 36.73 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 794.04 mb = 2073.82 m = 6803.78 ft Mean mixing ratio: 14.05 g/kg Conv temperature: 35.24 C = 95.43 F Cap Strength: 1.70 C Lifted Index: 0.74 C Risk: Showers probable Lifted Index @300 mb: 1.17 C Lifted Index @700 mb: 1.70 C Showalter Index: 5.20 C Risk: None Total Totals Index: 37.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 15.10 C K Index: -5.90 Risk: None Sweat Index: 156.00 Risk: None Energy Index: -0.93 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.01 J/kg Max Up Vert Vel: 2.45 m/s Conv Inhibition (B-): 35821.98 J/kg Cap Strength: 1.69 C Lift Cond Lev (LCL): 854.58 mb = 1453.47 m = 4768.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 101 at 6 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 70 230 3 2.3 1.9 | 265 9 8.5 0.7 1 1000 79 0 1 -0.0 -1.0 | 290 7 6.2 -2.2 2 975 305 205 6 2.5 5.4 | 244 10 8.8 4.2 3 942 610 220 3 1.9 2.3 | 262 8 8.1 1.1 4 925 767 280 5 4.9 -0.9 | 281 11 11.1 -2.1 5 909 914 330 4 2.0 -3.5 | 300 9 8.2 -4.7 6 878 1219 5 6 -0.5 -6.0 | 322 9 5.7 -7.2 7 850 1500 35 4 -2.3 -3.3 | 319 6 3.9 -4.5 8 848 1524 35 4 -2.3 -3.3 | 319 6 3.9 -4.5 9 817 1829 355 4 0.3 -4.0 | 308 8 6.6 -5.2 10 788 2134 305 6 4.9 -3.4 | 293 12 11.1 -4.7 11 760 2438 355 8 0.7 -8.0 | 323 12 6.9 -9.2 12 733 2743 10 12 -2.1 -11.8 | 342 14 4.1 -13.0 13 700 3136 45 11 -7.8 -7.8 | 10 9 -1.6 -9.0 14 682 3353 50 9 -6.9 -5.8 | 6 7 -0.7 -7.0 15 609 4267 115 7 -6.3 3.0 | 176 2 -0.1 1.7 16 565 4877 100 9 -8.9 1.6 | 97 3 -2.6 0.3 17 524 5486 100 16 -15.8 2.8 | 99 10 -9.5 1.6 18 500 5860 105 16 -15.5 4.1 | 108 10 -9.2 2.9 19 431 7010 120 15 -13.0 7.5 | 133 9 -6.8 6.3 20 400 7590 165 8 -2.1 7.7 | 213 8 4.1 6.5 21 382 7925 185 8 0.7 8.0 | 226 10 6.9 6.8 22 367 8230 190 6 1.0 5.9 | 237 9 7.3 4.7 23 337 8839 345 5 1.3 -4.8 | 309 10 7.5 -6.0 24 324 9144 350 2 0.3 -2.0 | 296 7 6.6 -3.2 25 310 9449 265 3 3.0 0.3 | 276 9 9.2 -1.0 26 300 9700 160 7 -2.4 6.6 | 216 7 3.8 5.4 27 298 9754 160 6 -2.1 5.6 | 223 6 4.2 4.4 28 273 10363 170 7 -1.2 6.9 | 221 8 5.0 5.7 29 261 10668 240 8 6.9 4.0 | 258 13 13.1 2.8 30 250 10970 220 12 7.7 9.2 | 240 16 13.9 8.0 31 239 11278 210 13 6.5 11.3 | 232 16 12.7 10.0 32 207 12192 155 18 -7.6 16.3 | 175 15 -1.4 15.1 33 200 12430 150 26 -13.0 22.5 | 162 22 -6.8 21.3 34 198 12497 155 24 -10.1 21.8 | 169 21 -3.9 20.5 35 188 12802 150 29 -14.5 25.1 | 161 25 -8.3 23.9 36 180 13106 135 26 -18.4 18.4 | 145 21 -12.2 17.2 37 171 13411 135 29 -20.5 20.5 | 143 24 -14.3 19.3 38 163 13716 130 24 -18.4 15.4 | 139 19 -12.2 14.2 39 150 14230 90 8 -8.0 0.0 | 56 2 -1.8 -1.2 40 148 14326 95 9 -9.0 0.8 | 81 3 -2.7 -0.4 41 140 14630 55 7 -5.7 -4.0 | 355 5 0.5 -5.2 42 126 15240 20 8 -2.7 -7.5 | 338 9 3.5 -8.7 43 119 15545 350 10 1.7 -9.8 | 324 14 8.0 -11.1 44 113 15850 340 15 5.1 -14.1 | 323 19 11.3 -15.3 45 108 16154 10 12 -2.1 -11.8 | 342 14 4.1 -13.0 46 102 16459 70 12 -11.3 -4.1 | 44 7 -5.1 -5.3 47 101 16515 85 9 -9.0 -0.8 | 54 3 -2.7 -2.0 48 100 16570 105 10 -9.7 2.6 | 112 4 -3.4 1.4 49 97 16764 85 9 -9.0 -0.8 | 54 3 -2.7 -2.0 50 70 18560 100 22 -21.7 3.8 | 100 16 -15.4 2.6 51 50 20510 50 25 -19.2 -16.1 | 37 22 -12.9 -17.3 52 30 23590 80 40 -39.4 -6.9 | 76 34 -33.2 -8.2 53 20 26130 110 46 -43.2 15.7 | 111 40 -37.0 14.5 54 10 30720 265 44 43.8 3.8 | 267 50 50.1 2.6 Wind Parameters Mean winds (0-6000m): 71.1 at 8.4 knts Storm direction: 101.1 at 6.3 knts Shear (0-3000m) pos: 3.2 neg: 1.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 99.6 deg Storm rel helicity (0-3000m) pos: 86.7 neg: -26.0 tot: 60.7 m^2/s^2 ave: 20.2 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 18.58 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 ------------------------------------------------------------------------------- 500 210 4 254 9| 0.0 0.8 0.8| 11.9 -16.5 -4.6 -9.1 -0.11| 12.8 -1.5 1000 250 4 269 10| 3.9 0.4 4.3| 35.4 -16.5 18.8 18.8 0.33| 11.7 3.8 1500 312 4 294 10| 2.5 0.3 2.8| 40.2 -17.5 22.8 15.2 0.32| 9.5 3.0 2000 330 4 301 10| 1.9 1.5 3.3| 40.2 -25.2 15.0 7.5 0.17| 8.6 1.4 2500 334 5 304 10| 3.0 1.2 4.1| 63.8 -26.0 37.8 15.1 0.30| 8.7 2.6 3000 353 6 316 10| 3.2 1.0 4.1| 86.7 -26.0 60.7 20.2 0.39| 8.7 3.4 4000 21 7 334 8| 2.0 0.7 2.7| 92.6 -26.9 65.7 16.4 0.40| 7.9 3.2 5000 46 7 350 6| 1.6 0.2 1.8| 93.1 -28.2 64.9 13.0 0.35| 7.0 2.4 6000 71 8 24 4| 1.7 0.2 1.9| 98.8 -28.2 70.6 11.8 0.35| 6.4 2.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251225.12.gif