UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122500.upa.cvt Date: 0000Z 25 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 25 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 78 11.8 11.3 97 0.5 11.5 0 0 284.7 286.2 284.5 307.9 8.41 1 1000 103 11.4 9.5 88 1.9 10.3 265 2 284.5 285.8 283.5 305.2 7.46 2 925 762 15.8 7.8 59 8.0 11.2 95 7 295.5 296.8 287.5 316.3 7.19 3 850 1474 10.6 5.8 72 4.8 7.9 105 8 297.3 298.5 287.8 317.2 6.81 4 700 3063 3.0 -11.0 35 14.0 -2.6 295 13 305.8 306.2 286.5 313.3 2.36 5 500 5760 -7.7 -55.7 1 48.0 -14.3 280 32 323.7 323.7 289.9 323.8 0.04 6 400 7450 -18.7 -62.7 1 44.0 -22.7 285 63 330.7 330.7 291.9 330.8 0.02 7 300 9520 -34.7 -58.7 7 24.0 -36.1 265 86 336.5 336.5 293.5 336.7 0.05 8 250 10770 -42.9 -68.9 4 26.0 -43.7 265 104 342.3 342.3 294.9 342.3 0.01 9 200 12240 -54.9 -63.9 32 9.0 -55.1 260 113 345.8 345.8 295.7 346.0 0.04 10 173 13152 -59.8 -72.4 18 12.5 -60.0 265 121 352.3 352.3 297.1 352.4 0.01 11 150 14030 -64.7 -80.7 9 16.0 -64.8 260 104 358.6 358.6 298.4 358.6 0.00 12 105 16163 -71.5 -98.5 1 27.0 -71.6 270 65 384.2 384.2 302.9 384.2 0.00 13 100 16450 -72.3 -99.3 1 27.0 -72.3 265 60 388.0 388.0 303.5 388.0 0.00 TRP 105 16163 -71.5 -98.5 1 27.0 -71.6 270 65 384.2 384.2 302.9 384.2 0.00 WND 173 13152 -59.8 -72.4 18 12.5 -60.0 265 121 352.3 352.3 297.1 352.4 0.01 Sounding variables and indices 1000-500 mb thick: 5657.00 m Freezing level: 643.93 mb = 3819.17 m = 12529.93 ft Wetbulb zero: 736.59 mb = 2646.02 m = 8681.07 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 40.19 % Est. max temperature: 24.28 C = 75.71 F Sfc-Lift cond lev (LCL): 995.58 mb = 140.47 m = 460.86 ft T: 11.65 C 700-500 lapse rate: 3.97 C/km ThetaE index: 3.96 C Layer 700.0- 500.0 mb Conv cond level (CCL): 728.42 mb = 2737.31 m = 8980.58 ft Mean mixing ratio: 7.30 g/kg Conv temperature: 31.16 C = 88.08 F Cap Strength: 6.14 C Lifted Index: 13.37 C Risk: None Lifted Index @300 mb: 17.60 C Lifted Index @700 mb: 6.14 C Showalter Index: 10.27 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 18.30 C Cross Totals Index: 13.50 C K Index: 10.10 Risk: None Sweat Index: 117.60 Risk: None Energy Index: 1.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.74 J/kg Max Up Vert Vel: 8.09 m/s Conv Inhibition (B-): 11183.54 J/kg Cap Strength: 13.05 C Lift Cond Lev (LCL): 876.42 mb = 1216.23 m = 3990.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 at 17 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 78 0 0 -0.0 -0.0 | 134 17 -12.0 11.5 1 1000 103 265 2 2.0 0.2 | 139 15 -10.0 11.6 2 976 305 0 0 -0.0 -0.0 | 134 17 -12.0 11.5 3 942 610 100 5 -4.9 0.9 | 126 21 -16.9 12.3 4 925 762 95 7 -7.0 0.6 | 122 23 -19.0 12.1 5 908 914 85 7 -7.0 -0.6 | 120 22 -19.0 10.9 6 876 1219 95 7 -7.0 0.6 | 122 23 -19.0 12.1 7 850 1474 105 8 -7.7 2.1 | 124 24 -19.7 13.5 8 814 1829 100 13 -12.8 2.3 | 119 28 -24.8 13.7 9 784 2134 95 15 -14.9 1.3 | 115 30 -27.0 12.8 10 756 2438 100 16 -15.8 2.8 | 117 31 -27.8 14.3 11 728 2743 90 9 -9.0 0.0 | 119 24 -21.0 11.5 12 701 3048 305 10 8.2 -5.7 | 146 7 -3.8 5.7 13 700 3063 295 13 11.8 -5.5 | 178 6 -0.2 6.0 14 650 3658 280 35 34.5 -6.1 | 256 23 22.4 5.4 15 626 3962 285 37 35.7 -9.6 | 265 24 23.7 1.9 16 602 4267 285 42 40.6 -10.9 | 269 29 28.5 0.6 17 580 4572 285 44 42.5 -11.4 | 270 30 30.5 0.1 18 558 4877 280 40 39.4 -6.9 | 261 28 27.4 4.5 19 517 5486 275 34 33.9 -3.0 | 249 23 21.9 8.5 20 500 5760 280 32 31.5 -5.6 | 253 20 19.5 5.9 21 478 6096 285 30 29.0 -7.8 | 258 17 17.0 3.7 22 400 7450 285 63 60.9 -16.3 | 276 49 48.8 -4.8 23 391 7620 285 65 62.8 -16.8 | 276 51 50.8 -5.3 24 316 9144 270 77 77.0 -0.0 | 260 66 65.0 11.5 25 300 9520 265 86 85.7 7.5 | 256 76 73.7 19.0 26 254 10668 265 100 99.6 8.7 | 257 90 87.6 20.2 27 250 10770 265 104 103.6 9.1 | 257 94 91.6 20.5 28 201 12192 255 112 108.2 29.0 | 247 104 96.2 40.5 29 200 12240 260 113 111.3 19.6 | 253 104 99.3 31.1 30 173 13152 265 121 120.5 10.5 | 259 111 108.5 22.0 31 158 13716 265 116 115.6 10.1 | 258 106 103.5 21.6 32 150 14030 260 104 102.4 18.1 | 252 95 90.4 29.5 33 123 15240 265 86 85.7 7.5 | 256 76 73.7 19.0 34 105 16163 270 65 65.0 -0.0 | 258 54 53.0 11.5 35 100 16450 265 60 59.8 5.2 | 251 51 47.8 16.7 36 69 18288 280 45 44.3 -7.8 | 264 33 32.3 3.7 37 37 21336 345 11 2.8 -10.6 | 95 9 -9.2 0.8 38 20 24384 10 28 -4.9 -27.6 | 46 23 -16.9 -16.1 39 10 27432 300 2 1.7 -1.0 | 136 15 -10.3 10.5 Wind Parameters Mean winds (0-6000m): 283.7 at 22.2 knts Storm direction: 313.7 at 16.6 knts Shear (0-3000m) pos: 1.6 neg: 3.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 49.3 deg Storm rel helicity (0-3000m) pos: 36.7 neg: -86.9 tot: -50.2 m^2/s^2 ave: -16.7 10^-3 m/s^2 rel: -0.02 Storm rel vorticity (0-3000m) horiz: 9.8 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.44 Bulk Shear: 74.96 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 92 2 130 18| 4.6 0.0 4.6| 1.6 -12.8 -11.3 -22.5 -0.33| 8.1 -2.7 1000 93 4 126 20| 3.6 0.0 3.6| 3.6 -22.8 -19.2 -19.2 -0.33| 6.1 -2.0 1500 96 5 125 21| 3.2 0.0 3.2| 11.3 -27.1 -15.9 -10.6 -0.21| 5.3 -1.1 2000 98 7 123 23| 2.4 1.4 3.8| 11.3 -51.3 -40.0 -20.0 -0.31| 5.4 -1.7 2500 98 9 121 24| 1.9 0.8 2.7| 17.8 -53.0 -35.3 -14.1 -0.23| 5.3 -1.2 3000 95 9 120 24| 1.6 3.9 5.6| 36.7 -86.9 -50.2 -16.7 -0.02| 9.8 -0.2 4000 308 14 165 3| 0.4 5.3 5.8| 87.0 -86.9 0.1 0.0 0.16| 10.9 1.7 5000 287 20 231 9| 0.3 4.2 4.5| 97.0-134.6 -37.6 -7.5 0.09| 10.0 0.9 6000 284 22 237 11| 0.7 3.1 3.8|113.5-157.5 -44.0 -7.3 0.07| 9.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251225.00.gif