UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 21 OCT 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 1001 77 22.4 21.2 93 1.2 21.6 0 0 295.5 298.4 294.7 341.5 16.03 1 1000 86 22.4 18.4 78 4.0 19.6 360 7 295.5 298.0 292.8 334.1 13.43 2 925 772 22.8 15.8 65 7.0 18.1 10 2 302.6 304.9 294.1 339.0 12.29 3 850 1505 20.0 2.0 30 18.0 10.0 100 7 307.1 308.1 289.7 323.1 5.20 4 700 3146 8.6 2.6 66 6.0 5.2 90 10 312.0 313.3 292.4 332.6 6.61 5 500 5860 -5.5 -46.5 2 41.0 -12.8 260 6 326.3 326.4 290.8 326.8 0.12 6 400 7570 -19.3 -52.3 4 33.0 -23.1 260 11 329.9 329.9 291.7 330.2 0.08 7 300 9640 -31.3 -70.3 1 39.0 -33.3 280 30 341.3 341.3 294.6 341.3 0.01 8 250 10920 -38.1 -75.1 1 37.0 -39.4 280 32 349.4 349.4 296.5 349.4 0.01 9 200 12400 -51.9 -84.9 1 33.0 -52.3 275 35 350.6 350.6 296.8 350.6 0.00 10 150 14200 -65.7 -93.7 1 28.0 -65.8 265 31 356.9 356.9 298.1 356.9 0.00 11 103 16429 -75.1 -101.1 1 26.0 -75.2 255 27 379.4 379.4 302.2 379.4 0.00 12 100 16600 -75.9 -101.9 1 26.0 -75.9 250 28 381.1 381.1 302.4 381.1 0.00 TRP 103 16429 -75.1 -101.1 1 26.0 -75.2 255 27 379.4 379.4 302.2 379.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 578.01 mb = 4801.35 m = 15752.26 ft Wetbulb zero: 641.99 mb = 3843.79 m = 12610.71 ft Precipitable water: 1.27 inches Sfc-500 mean rel hum: 43.90 % Est. max temperature: 33.97 C = 93.15 F Sfc-Lift cond lev (LCL): 983.93 mb = 228.57 m = 749.90 ft T: 22.48 C 700-500 lapse rate: 5.20 C/km ThetaE index: 15.92 C Layer 850.0- 700.0 mb Conv cond level (CCL): 750.68 mb = 2555.18 m = 8383.02 ft Mean mixing ratio: 12.39 g/kg Conv temperature: 37.22 C = 99.00 F Cap Strength: 5.80 C Lifted Index: 2.80 C Risk: None Lifted Index @300 mb: 4.95 C Lifted Index @700 mb: 2.08 C Showalter Index: 9.22 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 7.50 C K Index: 21.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 44.00 Risk: None Energy Index: 0.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.20 J/kg Max Up Vert Vel: 7.10 m/s Conv Inhibition (B-): 4312.80 J/kg Cap Strength: 5.77 C Lift Cond Lev (LCL): 866.82 mb = 1335.18 m = 4380.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 134 at 5 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 1001 77 0 0 -0.0 -0.0 | 314 5 3.4 -3.2 1 1000 86 360 7 -0.0 -7.0 | 342 11 3.4 -10.2 2 975 305 30 1 -0.5 -0.9 | 325 5 2.9 -4.1 3 942 610 340 2 0.7 -1.9 | 321 6 4.0 -5.1 4 925 772 10 2 -0.3 -2.0 | 330 6 3.0 -5.2 5 910 914 35 3 -1.7 -2.5 | 344 6 1.6 -5.6 6 878 1219 80 5 -4.9 -0.9 | 21 4 -1.6 -4.1 7 850 1505 100 7 -6.9 1.2 | 61 4 -3.5 -2.0 8 818 1829 100 10 -9.8 1.7 | 77 7 -6.5 -1.5 9 789 2134 100 10 -9.8 1.7 | 77 7 -6.5 -1.5 10 761 2438 95 8 -8.0 0.7 | 62 5 -4.6 -2.5 11 734 2743 90 7 -7.0 0.0 | 49 5 -3.6 -3.2 12 708 3048 90 8 -8.0 0.0 | 55 6 -4.6 -3.2 13 700 3146 90 10 -10.0 0.0 | 64 7 -6.6 -3.2 14 657 3658 65 6 -5.4 -2.5 | 20 6 -2.1 -5.7 15 633 3962 310 4 3.1 -2.6 | 312 9 6.4 -5.8 16 609 4267 260 7 6.9 1.2 | 281 10 10.3 -2.0 17 587 4572 250 6 5.6 2.1 | 277 9 9.0 -1.1 18 565 4877 250 4 3.8 1.4 | 284 7 7.1 -1.8 19 524 5486 210 7 3.5 6.1 | 247 7 6.9 2.9 20 500 5860 260 6 5.9 1.0 | 283 10 9.3 -2.2 21 485 6096 265 7 7.0 0.6 | 284 11 10.3 -2.6 22 400 7570 260 11 10.8 1.9 | 275 14 14.2 -1.3 23 397 7620 260 12 11.8 2.1 | 274 15 15.2 -1.1 24 321 9144 270 23 23.0 -0.0 | 277 27 26.4 -3.2 25 300 9640 280 30 29.5 -5.2 | 284 34 32.9 -8.4 26 259 10668 270 32 32.0 -0.0 | 275 36 35.4 -3.2 27 250 10920 280 32 31.5 -5.6 | 284 36 34.9 -8.7 28 206 12192 275 34 33.9 -3.0 | 279 38 37.2 -6.2 29 200 12400 275 35 34.9 -3.1 | 279 39 38.2 -6.2 30 162 13716 275 34 33.9 -3.0 | 279 38 37.2 -6.2 31 150 14200 265 31 30.9 2.7 | 271 34 34.2 -0.5 32 126 15240 270 31 31.0 -0.0 | 275 35 34.4 -3.2 33 103 16429 255 27 26.1 7.0 | 263 30 29.4 3.8 34 100 16600 250 28 26.3 9.6 | 258 30 29.7 6.4 35 72 18288 305 17 13.9 -9.8 | 307 22 17.3 -12.9 36 40 21336 25 5 -2.1 -4.5 | 351 8 1.2 -7.7 37 22 24384 5 9 -0.8 -9.0 | 348 12 2.6 -12.2 38 12 27432 215 7 4.0 5.7 | 251 8 7.4 2.5 Wind Parameters Mean winds (0-6000m): 103.5 at 6.2 knts Storm direction: 133.5 at 4.6 knts Shear (0-3000m) pos: 1.5 neg: 0.6 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 105.1 deg Storm rel helicity (0-3000m) pos: 19.4 neg: -7.4 tot: 12.0 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.73 Bulk Shear: 6.76 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 3 3 331 7| 0.0 1.9 1.9| 4.7 -3.5 1.3 2.5 0.11| 9.4 1.1 1000 14 3 335 6| 2.0 1.0 3.0| 10.8 -3.5 7.4 7.4 0.38| 6.8 2.6 1500 56 4 357 5| 3.0 0.6 3.6| 16.6 -3.5 13.1 8.8 0.53| 6.4 3.4 2000 80 5 23 4| 2.2 0.6 2.8| 18.2 -3.5 14.7 7.4 0.53| 5.4 2.8 2500 86 6 35 4| 1.8 0.6 2.4| 18.2 -6.7 11.5 4.6 0.38| 4.9 1.8 3000 87 6 38 4| 1.5 0.6 2.0| 19.4 -7.4 12.0 4.0 0.36| 4.4 1.6 4000 83 6 36 5| 1.1 1.8 2.9| 20.0 -39.6 -19.6 -4.9 -0.15| 5.6 -0.8 5000 86 6 38 5| 0.9 1.3 2.1| 22.2 -53.7 -31.5 -6.3 -0.21| 5.4 -1.1 6000 104 6 57 3| 0.5 1.1 1.6| 34.6 -60.4 -25.9 -4.3 -0.14| 5.4 -0.8 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251021.00.gif