UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 21 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 ------------------------------------------------------------------------------- 0 1000 68 0 0 SFC 999 77 29.8 21.8 62 8.0 24.0 0 0 303.0 306.1 297.2 352.5 16.68 2 925 757 22.8 16.8 69 6.0 18.7 0 1 302.6 305.0 294.7 341.4 13.12 3 850 1488 19.2 9.2 52 10.0 13.0 50 10 306.3 307.9 292.3 332.3 8.62 4 700 3135 11.6 -11.4 19 23.0 1.6 155 2 315.3 315.8 289.6 322.8 2.28 5 500 5860 -4.7 -12.7 54 8.0 -8.0 130 21 327.3 327.9 293.6 337.1 2.88 6 400 7590 -14.9 -32.9 20 18.0 -18.9 120 17 335.6 335.7 293.8 337.9 0.60 7 300 9700 -30.1 -44.1 24 14.0 -31.7 115 17 343.0 343.0 295.3 344.0 0.25 8 250 10980 -40.9 -48.9 42 8.0 -41.5 140 6 345.3 345.3 295.7 346.0 0.18 9 200 12450 -52.9 -63.9 25 11.0 -53.2 145 23 349.0 349.0 296.4 349.2 0.04 10 150 14240 -68.1 -75.1 36 7.0 -68.1 170 24 352.8 352.8 297.3 352.8 0.01 11 100 16590 -81.9 -86.9 42 5.0 -81.9 165 16 369.5 369.5 300.5 369.5 0.00 12 94 16939 -79.1 -85.1 37 6.0 -79.1 381.6 381.6 302.5 381.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 557.67 mb = 5074.26 m = 16647.64 ft Wetbulb zero: 666.66 mb = 3530.20 m = 11581.88 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 42.22 % Est. max temperature: 33.08 C = 91.54 F Sfc-Lift cond lev (LCL): 889.92 mb = 1091.27 m = 3580.24 ft T: 21.15 C 700-500 lapse rate: 5.98 C/km ThetaE index: 29.66 C Layer 925.0- 500.0 mb Conv cond level (CCL): 763.87 mb = 2394.33 m = 7855.32 ft Mean mixing ratio: 14.19 g/kg Conv temperature: 38.01 C = 100.41 F Cap Strength: 2.76 C Lifted Index: 0.08 C Risk: Showers probable Lifted Index @300 mb: 1.05 C Lifted Index @700 mb: 2.44 C Showalter Index: 5.48 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 13.90 C K Index: 10.10 Risk: None Sweat Index: 151.40 Risk: None Energy Index: 1.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.37 J/kg Max Up Vert Vel: 2.18 m/s Conv Inhibition (B-): 1925.10 J/kg Cap Strength: 2.76 C Lift Cond Lev (LCL): 858.71 mb = 1399.83 m = 4592.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 166 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 ---------------------------------------------------------- 0 999 77 0 0 -0.0 -0.0 | 346 6 1.4 -5.7 1 974 305 250 6 5.6 2.1 | 298 8 7.1 -3.7 2 941 610 225 4 2.8 2.8 | 304 5 4.2 -2.9 3 925 757 0 1 -0.0 -1.0 | 348 7 1.4 -6.7 4 908 914 20 4 -1.4 -3.8 | 360 10 0.1 -9.5 5 877 1219 50 10 -7.7 -6.4 | 27 14 -6.2 -12.2 6 850 1488 50 10 -7.7 -6.4 | 27 14 -6.2 -12.2 7 846 1524 50 10 -7.7 -6.4 | 27 14 -6.2 -12.2 8 817 1829 95 3 -3.0 0.3 | 16 6 -1.6 -5.5 9 788 2134 210 6 3.0 5.2 | 277 4 4.4 -0.5 10 707 3048 225 2 1.4 1.4 | 327 5 2.8 -4.3 11 700 3135 155 2 -0.8 1.8 | 352 4 0.6 -3.9 12 681 3353 185 3 0.3 3.0 | 329 3 1.7 -2.8 13 656 3658 125 3 -2.5 1.7 | 14 4 -1.0 -4.0 14 632 3962 135 8 -5.7 5.7 | 89 4 -4.2 -0.1 15 609 4267 175 7 -0.6 7.0 | 213 1 0.8 1.2 16 586 4572 155 8 -3.4 7.3 | 128 2 -2.0 1.5 17 565 4877 135 12 -8.5 8.5 | 111 8 -7.1 2.7 18 500 5860 130 21 -16.1 13.5 | 118 17 -14.7 7.8 19 466 6401 120 18 -15.6 9.0 | 103 15 -14.2 3.3 20 414 7315 105 15 -14.5 3.9 | 82 13 -13.1 -1.9 21 400 7590 120 17 -14.7 8.5 | 102 14 -13.3 2.8 22 367 8230 130 16 -12.3 10.3 | 113 12 -10.8 4.5 23 352 8534 105 18 -17.4 4.7 | 86 16 -16.0 -1.1 24 337 8839 130 20 -15.3 12.9 | 117 16 -13.9 7.1 25 310 9449 105 17 -16.4 4.4 | 85 15 -15.0 -1.3 26 300 9700 115 17 -15.4 7.2 | 96 14 -14.0 1.4 27 261 10668 145 11 -6.3 9.0 | 124 6 -4.9 3.3 28 250 10973 155 8 -3.4 7.3 | 128 2 -2.0 1.5 29 250 10980 140 6 -3.9 4.6 | 65 3 -2.4 -1.1 30 239 11278 145 13 -7.5 10.6 | 129 8 -6.0 4.9 31 228 11582 155 17 -7.2 15.4 | 149 11 -5.8 9.7 32 218 11887 135 18 -12.7 12.7 | 122 13 -11.3 7.0 33 208 12192 150 24 -12.0 20.8 | 145 18 -10.6 15.0 34 200 12450 145 23 -13.2 18.8 | 138 18 -11.8 13.1 35 199 12497 140 24 -15.4 18.4 | 132 19 -14.0 12.6 36 155 14021 170 21 -3.6 20.7 | 172 15 -2.2 14.9 37 150 14240 170 24 -4.2 23.6 | 171 18 -2.7 17.9 38 126 15240 185 25 2.2 24.9 | 191 19 3.6 19.2 39 120 15545 200 15 5.1 14.1 | 218 11 6.5 8.4 40 114 15850 175 9 -0.8 9.0 | 191 3 0.6 3.2 41 102 16459 180 13 0.0 13.0 | 191 7 1.4 7.3 42 100 16590 165 16 -4.1 15.5 | 164 10 -2.7 9.7 43 97 16764 150 12 -6.0 10.4 | 135 7 -4.6 4.7 Wind Parameters Mean winds (0-6000m): 136.1 at 7.9 knts Storm direction: 166.1 at 5.9 knts Shear (0-3000m) pos: 0.1 neg: 0.3 tot: 0.5 10-3/s Storm rel Dir Shear (0-3000m): -15.2 deg Storm rel helicity (0-3000m) pos: 40.0 neg: -17.2 tot: 22.8 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 13.14 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 ------------------------------------------------------------------------------- 500 244 4 307 6| 0.0 4.3 4.3| 0.9 -13.8 -12.9 -25.8 -0.59| 10.8 -6.4 1000 272 4 318 8| 5.8 2.2 8.0| 21.6 -13.8 7.8 7.8 0.15| 11.9 1.8 1500 35 6 10 11| 4.4 1.4 5.9| 33.9 -13.8 20.1 13.4 0.25| 9.7 2.5 2000 50 6 17 10| 0.9 1.1 2.0| 34.8 -17.2 17.6 8.8 0.06| 10.9 0.7 2500 64 6 23 9| 0.2 0.9 1.0| 37.0 -17.2 19.8 7.9 0.09| 9.6 0.9 3000 99 5 36 6| 0.1 0.3 0.5| 40.0 -17.2 22.8 7.6 0.14| 8.4 1.2 4000 135 5 41 3| 0.7 0.3 1.0| 49.1 -18.1 31.0 7.7 0.25| 7.9 2.0 5000 144 6 61 2| 0.6 0.9 1.5| 51.2 -21.1 30.0 6.0 0.20| 7.7 1.5 6000 136 8 89 4| 0.5 1.3 1.8| 53.3 -28.2 25.2 4.2 0.17| 7.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251221.12.gif