UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 21 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 1005 74 13.8 13.0 95 0.8 13.3 0 0 286.5 288.2 286.3 312.7 9.40 1 1000 116 12.8 9.2 79 3.6 10.8 270 6 286.0 287.2 283.9 306.3 7.31 2 925 777 16.2 7.2 55 9.0 11.0 60 3 295.9 297.1 287.4 316.0 6.90 3 850 1490 11.4 3.4 58 8.0 7.1 90 7 298.1 299.1 287.1 315.1 5.75 4 700 3089 5.2 -5.8 45 11.0 0.1 95 12 308.2 308.9 288.5 319.3 3.54 5 500 5820 -3.7 -23.7 20 20.0 -10.1 285 21 328.5 328.8 292.4 332.6 1.13 6 400 7540 -17.7 -33.7 23 16.0 -21.0 310 42 332.0 332.1 292.8 334.1 0.55 7 300 9610 -34.3 -49.3 20 15.0 -35.5 295 42 337.0 337.1 293.7 337.6 0.14 8 250 10860 -45.7 -63.7 11 18.0 -46.3 290 50 338.1 338.1 293.9 338.2 0.03 9 200 12310 -56.3 -83.3 2 27.0 -56.5 280 71 343.6 343.6 295.2 343.6 0.00 10 150 14080 -67.5 -95.5 1 28.0 -67.6 285 66 353.8 353.8 297.4 353.8 0.00 11 110 15904 -77.7 -102.7 1 25.0 -77.7 275 62 367.4 367.4 300.1 367.4 0.00 12 100 16450 -77.7 -102.7 1 25.0 -77.7 290 58 377.6 377.6 301.9 377.6 0.00 TRP 110 15904 -77.7 -102.7 1 25.0 -77.7 275 62 367.4 367.4 300.1 367.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5704.00 m Freezing level: 583.15 mb = 4684.64 m = 15369.37 ft Wetbulb zero: 697.31 mb = 3120.21 m = 10236.78 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 44.73 % Est. max temperature: 25.21 C = 77.38 F Sfc-Lift cond lev (LCL): 993.19 mb = 173.94 m = 570.67 ft T: 13.10 C 700-500 lapse rate: 3.26 C/km ThetaE index: 6.31 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 613.67 mb = 4157.30 m = 13639.28 ft Mean mixing ratio: 7.09 g/kg Conv temperature: 43.37 C = 110.06 F Cap Strength: 8.29 C Lifted Index: 17.32 C Risk: None Lifted Index @300 mb: 17.95 C Lifted Index @700 mb: 8.29 C Showalter Index: 15.50 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 15.10 C Cross Totals Index: 7.10 C K Index: 7.50 Risk: None Sweat Index: 75.80 Risk: None Energy Index: 3.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.62 J/kg Max Up Vert Vel: 7.57 m/s Conv Inhibition (B-): 11219.14 J/kg Cap Strength: 17.12 C Lift Cond Lev (LCL): 862.88 mb = 1363.21 m = 4472.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 33 at 9 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 1005 74 0 0 -0.0 -0.0 | 213 9 5.0 7.7 1 1000 116 270 6 6.0 -0.0 | 235 13 11.0 7.7 2 925 777 60 3 -2.6 -1.5 | 201 7 2.4 6.2 3 850 1490 90 7 -7.0 0.0 | 165 8 -2.0 7.7 4 700 3089 95 12 -12.0 1.0 | 141 11 -7.0 8.7 5 500 5820 285 21 20.3 -5.4 | 265 25 25.3 2.2 6 400 7540 310 42 32.2 -27.0 | 298 42 37.1 -19.3 7 300 9610 295 42 38.1 -17.7 | 283 44 43.0 -10.1 8 250 10860 290 50 47.0 -17.1 | 280 53 52.0 -9.4 9 200 12310 280 71 69.9 -12.3 | 274 75 74.9 -4.7 10 150 14080 285 66 63.8 -17.1 | 278 69 68.7 -9.4 11 110 15904 275 62 61.8 -5.4 | 268 67 66.7 2.3 12 100 16450 290 58 54.5 -19.8 | 282 61 59.5 -12.2 Wind Parameters Mean winds (0-6000m): 3.0 at 12.2 knts Storm direction: 33.0 at 9.1 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): -71.6 deg Storm rel helicity (0-3000m) pos: 16.2 neg: -23.9 tot: -7.7 m^2/s^2 ave: -2.6 10^-3 m/s^2 rel: -0.25 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.95 Bulk Shear: 14.66 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 ------------------------------------------------------------------------------- 500 304 5 241 10| 4.0 0.0 4.0| 16.2 -3.5 12.7 25.4 0.29| 14.0 4.0 1000 346 4 239 7| 2.4 0.0 2.4| 16.2 -10.4 5.8 5.8 -0.03| 9.5 -0.2 1500 69 5 184 6| 2.5 0.0 2.5| 16.2 -15.2 1.0 0.7 -0.14| 7.4 -1.0 2000 82 6 175 7| 2.3 0.0 2.3| 16.2 -18.2 -2.0 -1.0 -0.19| 6.0 -1.1 2500 87 6 169 7| 2.1 0.0 2.1| 16.2 -21.1 -4.9 -2.0 -0.23| 5.1 -1.2 3000 89 7 163 8| 2.0 0.0 2.0| 16.2 -23.9 -7.7 -2.6 -0.25| 4.5 -1.1 4000 78 9 149 7| 1.5 1.8 3.4| 16.2 -51.5 -35.3 -8.8 -0.49| 5.3 -2.6 5000 54 10 114 4| 1.2 2.8 4.0| 16.2 -93.8 -77.6 -15.5 -0.60| 6.2 -3.7 6000 3 12 316 6| 1.0 3.1 4.1| 29.7-165.5-135.8 -22.6 -0.59| 6.8 -4.0 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251221.00.gif