UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 27 DEC 25 Station: VI399 WMO ident: 42399 Latitude: 26.53 Longitude: 88.72 ------------------------------------------------------------------------------- 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 1003 77 12.6 12.3 98 0.3 12.4 0 0 285.5 287.1 285.5 310.4 8.99 1 1000 102 12.4 11.8 96 0.6 12.0 295 2 285.5 287.1 285.2 309.7 8.72 2 925 763 15.8 9.8 67 6.0 12.2 315 3 295.5 296.9 288.5 319.3 8.24 3 850 1476 11.2 6.4 72 4.8 8.5 105 5 297.9 299.2 288.3 318.7 7.11 4 700 3070 2.4 -5.6 55 8.0 -1.2 280 12 305.1 305.8 287.5 316.3 3.60 5 500 5760 -7.9 -30.9 14 23.0 -13.5 275 63 323.4 323.5 290.4 325.5 0.58 6 400 7450 -20.3 -43.3 11 23.0 -23.5 275 72 328.6 328.6 291.5 329.4 0.21 7 300 9510 -37.7 -53.7 17 16.0 -38.7 265 77 332.2 332.2 292.4 332.6 0.09 8 250 10750 -43.1 -69.1 4 26.0 -43.9 275 93 342.0 342.0 294.8 342.0 0.01 9 211 11886 -47.4 -79.4 1 32.1 -48.0 260 106 352.3 352.3 297.1 352.4 0.00 10 200 12240 -48.7 -82.7 1 34.0 -49.3 265 103 355.7 355.7 297.8 355.7 0.00 11 150 14070 -61.3 -91.3 1 30.0 -61.4 270 81 364.5 364.5 299.5 364.5 0.00 12 100 16490 -76.1 -101.1 1 25.0 -76.2 280 64 380.7 380.7 302.3 380.7 0.00 TRP WND 211 11886 -47.4 -79.4 1 32.1 -48.0 260 106 352.3 352.3 297.1 352.4 0.00 Sounding variables and indices 1000-500 mb thick: 5658.00 m Freezing level: 653.40 mb = 3696.80 m = 12128.45 ft Wetbulb zero: 718.39 mb = 2857.15 m = 9373.74 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 52.63 % Est. max temperature: 24.88 C = 76.79 F Sfc-Lift cond lev (LCL): 998.60 mb = 113.85 m = 373.53 ft T: 12.46 C 700-500 lapse rate: 3.83 C/km ThetaE index: 3.05 C Layer 850.0- 500.0 mb Conv cond level (CCL): 786.28 mb = 2115.75 m = 6941.35 ft Mean mixing ratio: 8.40 g/kg Conv temperature: 27.92 C = 82.25 F Cap Strength: 4.57 C Lifted Index: 11.06 C Risk: None Lifted Index @300 mb: 12.20 C Lifted Index @700 mb: 3.90 C Showalter Index: 9.19 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 19.10 C Cross Totals Index: 14.30 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 149.80 Risk: None Energy Index: 1.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.38 J/kg Max Up Vert Vel: 7.80 m/s Conv Inhibition (B-): 9979.05 J/kg Cap Strength: 10.65 C Lift Cond Lev (LCL): 898.61 mb = 1007.05 m = 3303.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 21 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 1003 77 0 0 -0.0 -0.0 | 130 21 -16.0 13.6 1 1000 102 295 2 1.8 -0.8 | 132 19 -14.2 12.8 2 976 305 320 7 4.5 -5.4 | 126 14 -11.5 8.3 3 942 610 310 4 3.1 -2.6 | 131 17 -12.9 11.1 4 925 763 315 3 2.1 -2.1 | 130 18 -13.8 11.5 5 909 914 315 2 1.4 -1.4 | 130 19 -14.6 12.2 6 876 1219 60 1 -0.9 -0.5 | 128 21 -16.8 13.1 7 850 1476 105 5 -4.8 1.3 | 126 26 -20.8 14.9 8 814 1829 105 9 -8.7 2.3 | 123 29 -24.7 16.0 9 785 2134 95 11 -11.0 1.0 | 118 31 -26.9 14.6 10 756 2438 100 10 -9.8 1.7 | 121 30 -25.8 15.4 11 728 2743 100 8 -7.9 1.4 | 122 28 -23.8 15.0 12 702 3048 280 8 7.9 -1.4 | 147 15 -8.1 12.2 13 700 3070 280 12 11.8 -2.1 | 160 12 -4.1 11.5 14 650 3658 280 39 38.4 -6.8 | 253 23 22.4 6.9 15 626 3962 280 43 42.3 -7.5 | 257 27 26.4 6.2 16 603 4267 285 49 47.3 -12.7 | 268 31 31.4 0.9 17 580 4572 290 53 49.8 -18.1 | 278 34 33.8 -4.5 18 558 4877 285 55 53.1 -14.2 | 271 37 37.2 -0.6 19 517 5486 270 62 62.0 -0.0 | 254 48 46.0 13.6 20 500 5760 275 63 62.8 -5.5 | 260 47 46.8 8.1 21 478 6096 275 60 59.8 -5.2 | 259 45 43.8 8.4 22 400 7450 275 72 71.7 -6.3 | 262 56 55.8 7.3 23 391 7620 275 72 71.7 -6.3 | 262 56 55.8 7.3 24 316 9144 265 76 75.7 6.6 | 251 63 59.7 20.2 25 300 9510 265 77 76.7 6.7 | 251 64 60.7 20.3 26 253 10668 270 90 90.0 -0.0 | 260 75 74.0 13.6 27 250 10750 275 93 92.6 -8.1 | 266 77 76.7 5.5 28 211 11886 260 106 104.4 18.4 | 250 94 88.4 32.0 29 201 12192 260 106 104.4 18.4 | 250 94 88.4 32.0 30 200 12240 265 103 102.6 9.0 | 255 90 86.6 22.6 31 159 13716 275 86 85.7 -7.5 | 265 70 69.7 6.1 32 150 14070 270 81 81.0 -0.0 | 258 66 65.0 13.6 33 123 15240 260 85 83.7 14.8 | 247 73 67.7 28.4 34 100 16490 280 64 63.0 -11.1 | 267 47 47.1 2.5 35 69 18288 295 42 38.1 -17.7 | 281 22 22.1 -4.1 36 37 21336 295 6 5.4 -2.5 | 136 15 -10.5 11.1 37 20 24384 80 17 -16.7 -3.0 | 108 34 -32.7 10.7 38 11 27432 180 17 0.0 17.0 | 152 35 -16.0 30.6 Wind Parameters Mean winds (0-6000m): 280.5 at 28.0 knts Storm direction: 310.5 at 21.0 knts Shear (0-3000m) pos: 1.5 neg: 3.6 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 31.1 deg Storm rel helicity (0-3000m) pos: 133.1 neg: -43.8 tot: 89.3 m^2/s^2 ave: 29.8 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.40 Bulk Shear: 76.86 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 ------------------------------------------------------------------------------- 500 316 5 129 16| 0.0 4.4 4.4| 5.6 -5.1 0.5 0.9 0.00| 9.0 0.0 1000 316 4 129 17| 2.0 2.2 4.2| 5.9 -11.2 -5.4 -5.4 -0.09| 6.5 -0.6 1500 333 4 126 18| 3.5 1.5 5.0| 9.4 -19.9 -10.6 -7.1 -0.10| 6.7 -0.7 2000 63 5 119 23| 2.6 0.9 3.5| 9.4 -41.5 -32.2 -16.1 -0.20| 6.3 -1.2 2500 84 6 121 25| 1.8 0.7 2.5| 20.3 -43.8 -23.6 -9.4 -0.14| 5.5 -0.8 3000 86 6 121 26| 1.5 3.6 5.1|133.1 -43.8 89.3 29.8 0.25| 9.3 2.3 4000 285 13 162 11| 0.3 5.6 5.9|235.6 -43.8 191.7 47.9 0.44| 11.3 4.9 5000 286 21 208 9| 1.1 5.0 6.1|309.7-124.2 185.5 37.1 0.36| 11.2 4.0 6000 280 28 234 14| 1.0 4.7 5.7|376.2-233.2 142.9 23.8 0.27| 11.0 3.0 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251227.00.gif