UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 28 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 1004 81 14.6 14.3 98 0.3 14.4 0 0 287.4 289.2 287.4 316.0 10.25 1 1000 115 13.8 11.3 85 2.5 12.3 315 3 287.0 288.4 285.5 310.5 8.43 2 925 770 12.4 6.4 67 6.0 9.1 145 1 292.0 293.1 285.6 310.7 6.52 3 850 1479 11.4 3.4 58 8.0 7.1 80 5 298.1 299.1 287.1 315.1 5.75 4 700 3072 4.0 -10.0 35 14.0 -1.7 280 24 306.9 307.4 287.1 315.0 2.55 5 500 5750 -10.9 -25.9 28 15.0 -14.8 285 57 319.7 319.9 289.6 323.0 0.93 6 400 7430 -20.7 -45.7 9 25.0 -23.9 265 75 328.1 328.1 291.3 328.7 0.16 7 300 9490 -35.7 -57.7 9 22.0 -37.0 265 89 335.1 335.1 293.2 335.3 0.05 8 266 10312 -40.7 -64.0 6 23.3 -41.6 265 104 339.5 339.5 294.2 339.6 0.03 9 250 10730 -43.3 -67.3 5 24.0 -44.0 255 100 341.7 341.7 294.7 341.8 0.02 10 200 12230 -50.5 -83.5 1 33.0 -51.0 260 101 352.8 352.8 297.3 352.8 0.00 11 150 14050 -62.3 -91.3 1 29.0 -62.4 260 79 362.8 362.8 299.2 362.8 0.00 12 100 16480 -73.3 -99.3 1 26.0 -73.3 250 54 386.1 386.1 303.2 386.1 0.00 TRP WND 266 10312 -40.7 -64.0 6 23.3 -41.6 265 104 339.5 339.5 294.2 339.6 0.03 Sounding variables and indices 1000-500 mb thick: 5635.00 m Freezing level: 646.31 mb = 3790.93 m = 12437.27 ft Wetbulb zero: 729.47 mb = 2733.70 m = 8968.71 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 44.75 % Est. max temperature: 24.94 C = 76.89 F Sfc-Lift cond lev (LCL): 999.68 mb = 117.68 m = 386.10 ft T: 13.79 C 700-500 lapse rate: 5.56 C/km ThetaE index: 5.49 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 700.59 mb = 3065.13 m = 10056.09 ft Mean mixing ratio: 7.32 g/kg Conv temperature: 34.07 C = 93.33 F Cap Strength: 7.67 C Lifted Index: 10.88 C Risk: None Lifted Index @300 mb: 17.37 C Lifted Index @700 mb: 7.67 C Showalter Index: 8.30 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 14.30 C K Index: 11.70 Risk: None Sweat Index: 107.80 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.27 J/kg Max Up Vert Vel: 6.04 m/s Conv Inhibition (B-): 12333.86 J/kg Cap Strength: 10.86 C Lift Cond Lev (LCL): 890.50 mb = 1088.74 m = 3571.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 311 at 19 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 1004 81 0 0 -0.0 -0.0 | 131 19 -14.3 12.7 1 1000 115 315 3 2.1 -2.1 | 131 16 -12.2 10.6 2 978 305 295 4 3.6 -1.7 | 136 15 -10.7 11.0 3 943 610 285 2 1.9 -0.5 | 134 17 -12.4 12.2 4 925 770 145 1 -0.6 0.8 | 132 20 -14.9 13.5 5 909 914 120 2 -1.7 1.0 | 130 21 -16.1 13.7 6 877 1219 90 4 -4.0 0.0 | 125 22 -18.3 12.7 7 850 1479 80 5 -4.9 -0.9 | 122 23 -19.3 11.8 8 815 1829 85 8 -8.0 -0.7 | 118 25 -22.3 12.0 9 785 2134 80 8 -7.9 -1.4 | 117 25 -22.2 11.3 10 756 2438 80 6 -5.9 -1.0 | 120 23 -20.2 11.6 11 729 2743 315 2 1.4 -1.4 | 131 17 -12.9 11.3 12 702 3048 285 20 19.3 -5.2 | 214 9 5.0 7.5 13 700 3072 280 24 23.6 -4.2 | 228 13 9.3 8.5 14 650 3658 275 41 40.8 -3.6 | 251 28 26.5 9.1 15 626 3962 275 40 39.8 -3.5 | 250 27 25.5 9.2 16 602 4267 275 41 40.8 -3.6 | 251 28 26.5 9.1 17 580 4572 280 44 43.3 -7.6 | 260 29 29.0 5.0 18 558 4877 280 46 45.3 -8.0 | 261 31 31.0 4.7 19 517 5486 285 53 51.2 -13.7 | 272 37 36.9 -1.0 20 500 5750 285 57 55.1 -14.8 | 273 41 40.7 -2.1 21 478 6096 280 57 56.1 -9.9 | 266 42 41.8 2.8 22 400 7430 265 75 74.7 6.5 | 252 63 60.4 19.2 23 390 7620 265 76 75.7 6.6 | 253 64 61.4 19.3 24 315 9144 265 87 86.7 7.6 | 254 75 72.3 20.3 25 300 9490 265 89 88.7 7.8 | 255 77 74.3 20.4 26 266 10312 265 104 103.6 9.1 | 256 92 89.3 21.7 27 252 10668 260 103 101.4 17.9 | 251 92 87.1 30.6 28 250 10730 255 100 96.6 25.9 | 245 91 82.3 38.6 29 201 12192 255 101 97.6 26.1 | 245 92 83.2 38.8 30 200 12230 260 101 99.5 17.5 | 250 90 85.1 30.2 31 158 13716 270 85 85.0 -0.0 | 260 72 70.7 12.7 32 150 14050 260 79 77.8 13.7 | 247 69 63.5 26.4 33 123 15240 260 72 70.9 12.5 | 246 62 56.6 25.2 34 100 16480 250 54 50.7 18.5 | 229 48 36.4 31.2 35 69 18288 255 37 35.7 9.6 | 224 31 21.4 22.3 Wind Parameters Mean winds (0-6000m): 281.5 at 25.5 knts Storm direction: 311.5 at 19.1 knts Shear (0-3000m) pos: 0.9 neg: 5.1 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 65.5 neg: -46.8 tot: 18.7 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.27 Bulk Shear: 67.11 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 ------------------------------------------------------------------------------- 500 297 3 134 16| 0.0 2.2 2.2| 4.8 -1.2 3.6 7.2 0.14| 6.2 0.9 1000 294 3 134 17| 2.7 1.1 3.8| 7.1 -17.6 -10.5 -10.5 -0.14| 6.3 -0.9 1500 63 3 123 20| 1.8 0.8 2.6| 7.1 -34.6 -27.5 -18.3 -0.29| 5.4 -1.6 2000 78 4 123 22| 1.4 1.0 2.3| 7.1 -43.6 -36.4 -18.2 -0.32| 4.7 -1.5 2500 77 5 122 22| 1.1 1.3 2.4| 15.2 -46.8 -31.6 -12.7 -0.20| 5.2 -1.1 3000 54 5 117 21| 0.9 5.1 6.0| 65.5 -46.8 18.7 6.2 0.27| 9.0 2.4 4000 282 13 173 10| 0.7 5.9 6.5|100.7 -49.4 51.3 12.8 0.30| 9.1 2.7 5000 280 20 208 11| 0.5 4.7 5.2|159.7 -49.4 110.4 22.1 0.35| 8.3 2.9 6000 281 26 235 13| 1.0 4.2 5.2|203.9 -97.6 106.2 17.7 0.30| 8.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251228.00.gif