UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 30 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 1000 78 30.0 24.0 70 6.0 25.5 0 0 303.1 306.7 298.7 359.9 19.11 1 925 762 22.8 18.0 74 4.8 19.5 270 7 302.6 305.2 295.4 344.6 14.18 2 850 1495 17.6 15.6 88 2.0 16.3 5 6 304.6 307.0 295.3 344.1 13.23 3 700 3138 13.2 -32.8 3 46.0 -0.3 255 4 317.1 317.2 288.2 318.4 0.35 4 500 5880 -4.7 -20.7 27 16.0 -10.1 315 2 327.3 327.6 292.4 332.5 1.47 5 400 7590 -15.5 -41.5 9 26.0 -20.0 150 5 334.8 334.9 293.3 335.8 0.25 6 300 9710 -30.3 -62.3 3 32.0 -32.4 45 27 342.7 342.7 295.0 342.8 0.03 7 250 10980 -40.3 -67.3 4 27.0 -41.3 55 30 346.2 346.2 295.8 346.2 0.02 8 200 12450 -53.1 -70.1 11 17.0 -53.4 80 32 348.7 348.7 296.4 348.7 0.02 9 150 14240 -68.5 -77.5 26 9.0 -68.5 95 22 352.1 352.1 297.1 352.1 0.01 10 100 16580 -83.5 -92.5 19 9.0 -83.5 80 30 366.4 366.4 299.9 366.4 0.00 11 95 16865 -84.7 -92.7 23 8.0 -84.7 95 27 369.5 369.5 300.5 369.5 0.00 12 80 17828 -80.3 -92.3 12 12.0 -80.3 87 20 397.1 397.1 304.8 397.1 0.00 13 73 18344 -82.3 -91.3 20 9.0 -82.3 82 17 403.4 403.4 305.7 403.4 0.00 14 70 18580 -81.3 -92.3 14 11.0 -81.3 80 15 410.5 410.5 306.6 410.5 0.00 15 66 18911 -81.1 -91.1 17 10.0 -81.1 94 15 417.9 417.9 307.4 417.9 0.00 16 64 19085 -79.9 -90.9 14 11.0 -79.9 101 14 424.2 424.2 308.2 424.2 0.00 17 60 19458 -73.3 -89.3 7 16.0 -73.4 117 14 446.8 446.8 310.6 446.9 0.00 18 59 19556 -73.1 -88.1 8 15.0 -73.2 121 14 449.4 449.4 310.8 449.5 0.00 19 56 19866 -68.1 -88.1 4 20.0 -68.3 133 14 467.6 467.6 312.4 467.6 0.00 20 53 20199 -66.3 -89.3 3 23.0 -66.5 146 13 479.2 479.2 313.4 479.2 0.00 21 50 20550 -69.1 -92.1 2 23.0 -69.3 160 13 480.7 480.7 313.5 480.7 0.00 22 35 22706 -64.9 -95.9 1 31.0 -65.3 118 28 543.2 543.2 317.7 543.2 0.00 23 33 23069 -61.3 -94.3 1 33.0 -62.0 111 30 562.0 562.0 318.8 562.0 0.00 24 30 23660 -61.7 -94.7 0 33.0 -62.4 100 34 576.4 576.4 319.5 576.4 0.00 25 23 25320 -59.3 -93.3 0 34.0 -60.6 93 42 629.0 629.0 321.9 629.0 0.00 26 20 26210 -52.9 -88.9 1 36.0 -55.6 90 46 674.3 674.3 323.6 674.3 0.01 27 17 27265 -53.1 -88.1 1 35.0 -56.1 103 36 705.7 705.7 324.6 705.8 0.01 28 16 27658 -52.5 -88.5 1 36.0 -55.8 108 32 720.0 720.0 325.1 720.1 0.01 29 15 28079 -51.1 -87.1 1 36.0 -55.0 113 28 738.1 738.1 325.6 738.2 0.01 30 14 28532 -48.7 -85.7 1 37.0 -53.7 118 23 760.9 760.9 326.3 761.0 0.02 31 13 29021 -48.9 -85.9 1 37.0 -54.0 124 19 776.5 776.5 326.7 776.7 0.02 32 12 29548 -49.5 -85.5 1 36.0 -54.6 131 14 792.4 792.4 327.1 792.5 0.02 33 10 30770 -40.9 -79.9 1 39.0 -50.7 145 2 866.9 866.9 328.8 867.6 0.07 34 9.8 30907 -40.9 -79.9 1 39.0 -50.8 871.9 871.9 328.9 872.6 0.07 TRP 95 16865 -84.7 -92.7 23 8.0 -84.7 95 27 369.5 369.5 300.5 369.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5802.04 m Freezing level: 552.51 mb = 5160.03 m = 16929.04 ft Wetbulb zero: 702.48 mb = 3108.07 m = 10196.96 ft Precipitable water: 1.41 inches Sfc-500 mean rel hum: 38.00 % Est. max temperature: 31.43 C = 88.58 F Sfc-Lift cond lev (LCL): 917.21 mb = 835.32 m = 2740.51 ft T: 22.28 C 700-500 lapse rate: 6.53 C/km ThetaE index: 41.58 C Layer 925.0- 500.0 mb Conv cond level (CCL): 867.29 mb = 1320.49 m = 4332.25 ft Mean mixing ratio: 15.96 g/kg Conv temperature: 30.98 C = 87.76 F Cap Strength: 2.52 C Lifted Index: -1.85 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.08 C Lifted Index @700 mb: 2.52 C Showalter Index: 0.47 C Risk: Thunderstorms probable Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.30 C K Index: -8.10 Risk: None Sweat Index: 201.20 Risk: None Energy Index: -2.18 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 553.10 J/kg Max Up Vert Vel: 33.26 m/s Conv Inhibition (B-): 6.70 J/kg Cap Strength: 2.49 C Lift Cond Lev (LCL): 882.91 mb = 1165.69 m = 3824.39 ft Lev Free Conv (LFC): 847.91 mb = 1515.82 m = 4973.11 ft Equ Level (EL): 827.91 mb = 1717.82 m = 5635.81 ft B at Equ Level: -0.05 J/kg Max Parcel Lev (MPL): 827.91 mb = 1717.82 m = 5635.81 ft Wind level data Storm motion: 347 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 78 0 0 -0.0 -0.0 | 167 4 -0.8 3.4 1 1000 74 0 0 -0.0 -0.0 | 167 4 -0.8 3.4 2 974 305 265 6 6.0 0.5 | 233 7 5.2 4.0 3 941 610 270 10 10.0 -0.0 | 250 10 9.2 3.4 4 925 762 270 7 7.0 -0.0 | 241 7 6.2 3.4 5 909 914 265 6 6.0 0.5 | 233 7 5.2 4.0 6 877 1219 290 5 4.7 -1.7 | 246 4 3.9 1.7 7 850 1495 5 6 -0.5 -6.0 | 27 3 -1.3 -2.5 8 847 1524 5 6 -0.5 -6.0 | 27 3 -1.3 -2.5 9 817 1829 45 7 -4.9 -4.9 | 75 6 -5.7 -1.5 10 788 2134 50 10 -7.7 -6.4 | 71 9 -8.4 -3.0 11 760 2438 60 13 -11.3 -6.5 | 76 12 -12.0 -3.1 12 733 2743 115 2 -1.8 0.8 | 149 5 -2.6 4.3 13 707 3048 225 2 1.4 1.4 | 188 5 0.6 4.9 14 700 3138 255 4 3.9 1.0 | 215 5 3.1 4.5 15 682 3353 255 6 5.8 1.6 | 225 7 5.0 5.0 16 657 3658 190 5 0.9 4.9 | 181 8 0.1 8.4 17 633 3962 215 5 2.9 4.1 | 196 8 2.1 7.5 18 609 4267 300 2 1.7 -1.0 | 201 3 1.0 2.4 19 587 4572 285 1 1.0 -0.3 | 183 3 0.2 3.2 20 566 4877 60 2 -1.7 -1.0 | 134 4 -2.5 2.4 21 545 5182 285 1 1.0 -0.3 | 183 3 0.2 3.2 22 505 5791 295 3 2.7 -1.3 | 222 3 1.9 2.2 23 500 5880 315 2 1.4 -1.4 | 197 2 0.6 2.0 24 486 6096 55 2 -1.6 -1.1 | 134 3 -2.4 2.3 25 467 6401 285 2 1.9 -0.5 | 202 3 1.2 2.9 26 449 6706 255 6 5.8 1.6 | 225 7 5.0 5.0 27 431 7010 220 11 7.1 8.4 | 208 13 6.3 11.9 28 400 7590 150 5 -2.5 4.3 | 157 8 -3.3 7.8 29 398 7620 155 6 -2.5 5.4 | 160 9 -3.3 8.9 30 382 7925 140 7 -4.5 5.4 | 149 10 -5.3 8.8 31 367 8230 145 17 -9.8 13.9 | 149 20 -10.5 17.4 32 338 8839 70 18 -16.9 -6.2 | 81 18 -17.7 -2.7 33 300 9710 45 27 -19.1 -19.1 | 52 25 -19.9 -15.6 34 298 9754 45 22 -15.6 -15.6 | 53 20 -16.3 -12.1 35 273 10363 75 25 -24.1 -6.5 | 83 25 -24.9 -3.0 36 250 10973 60 28 -24.2 -14.0 | 67 27 -25.0 -10.6 37 250 10980 55 30 -24.6 -17.2 | 62 29 -25.3 -13.8 38 228 11582 80 31 -30.5 -5.4 | 86 31 -31.3 -1.9 39 218 11887 85 30 -29.9 -2.6 | 92 31 -30.7 0.8 40 200 12450 80 32 -31.5 -5.6 | 86 32 -32.3 -2.1 41 199 12497 85 29 -28.9 -2.5 | 92 30 -29.7 0.9 42 189 12802 80 31 -30.5 -5.4 | 86 31 -31.3 -1.9 43 180 13106 85 28 -27.9 -2.4 | 92 29 -28.7 1.0 44 155 14021 80 29 -28.6 -5.0 | 87 29 -29.3 -1.6 45 150 14240 95 22 -21.9 1.9 | 103 23 -22.7 5.4 46 148 14326 90 25 -25.0 0.0 | 98 26 -25.8 3.4 47 120 15545 120 27 -23.4 13.5 | 125 30 -24.2 16.9 48 113 15850 130 32 -24.5 20.6 | 134 35 -25.3 24.0 49 108 16154 95 32 -31.9 2.8 | 101 33 -32.7 6.2 50 100 16580 80 30 -29.5 -5.2 | 87 30 -30.3 -1.8 51 97 16764 75 30 -29.0 -7.8 | 82 30 -29.8 -4.3 52 95 16865 95 27 -26.9 2.4 | 102 28 -27.7 5.8 53 70 18580 80 15 -14.8 -2.6 | 93 16 -15.5 0.8 54 50 20550 160 13 -4.4 12.2 | 162 17 -5.2 15.7 55 30 23660 100 34 -33.5 5.9 | 105 36 -34.3 9.4 56 20 26210 90 46 -46.0 0.0 | 94 47 -46.8 3.4 57 10 30770 145 2 -1.1 1.6 | 159 5 -1.9 5.1 Wind Parameters Mean winds (0-6000m): 317.4 at 4.7 knts Storm direction: 347.4 at 3.5 knts Shear (0-3000m) pos: 1.3 neg: 1.6 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 28.8 deg Storm rel helicity (0-3000m) pos: 50.0 neg: -4.3 tot: 45.7 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 5.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 210.49 Bulk Shear: 2.63 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 ------------------------------------------------------------------------------- 500 267 6 233 6| 0.0 9.9 9.9| 5.6 0.0 5.6 11.2 0.46| 11.5 5.3 1000 269 6 237 7| 2.2 4.9 7.1| 6.5 -3.6 2.9 2.9 0.24| 8.3 2.0 1500 282 6 247 6| 4.3 3.3 7.6| 12.2 -3.6 8.6 5.7 0.47| 8.8 4.1 2000 311 6 280 4| 4.6 2.5 7.1| 15.5 -4.3 11.2 5.6 0.45| 8.2 3.7 2500 357 7 6 4| 3.6 2.0 5.6| 34.5 -4.3 30.2 12.1 0.51| 8.6 4.4 3000 3 7 19 3| 1.3 1.6 2.9| 50.0 -4.3 45.7 15.2 0.58| 9.1 5.3 4000 323 6 297 3| 0.8 1.3 2.2| 60.8 -16.0 44.8 11.2 0.47| 8.6 4.0 5000 321 5 285 3| 1.0 1.1 2.1| 62.3 -18.6 43.7 8.7 0.38| 8.0 3.1 6000 317 5 270 2| 1.2 1.0 2.2| 64.1 -20.3 43.8 7.3 0.34| 7.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251230.12.gif