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 VO371... Searching the city database file for: VO371 ... Date:0000Z 21 OCT 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 56 0 0 SFC 998 74 24.0 23.4 96 0.6 23.6 0 0 297.3 300.7 296.8 350.8 18.45 2 925 736 21.0 20.4 96 0.6 20.6 290 5 300.8 303.8 296.5 349.3 16.53 3 850 1472 17.4 16.7 96 0.7 17.0 10 8 304.4 307.0 295.9 346.7 14.21 4 831 1665 16.6 15.9 96 0.7 16.1 3 8 305.5 308.1 295.9 346.8 13.81 5 785 2148 13.2 11.7 91 1.5 12.2 35 9 306.9 308.9 294.4 340.3 11.07 6 700 3107 9.2 7.6 90 1.6 8.2 40 6 312.7 314.5 294.7 341.8 9.40 7 562 4900 0.0 -1.2 92 1.2 -0.7 88 14 322.1 323.3 294.9 342.3 6.25 8 500 5830 -4.9 -7.2 84 2.3 -6.0 95 19 327.1 328.0 294.8 342.0 4.46 9 400 7560 -14.7 -15.9 91 1.2 -15.2 90 14 335.9 336.4 295.7 345.6 2.77 10 391 7733 -15.9 -16.7 94 0.8 -16.2 85 15 336.5 337.0 295.7 345.9 2.65 11 345 8670 -21.3 -25.9 66 4.6 -22.5 93 13 341.4 341.7 295.8 346.4 1.34 12 313 9383 -26.1 -30.1 69 4.0 -27.0 94 15 344.4 344.6 296.3 348.2 1.00 13 300 9690 -28.3 -34.3 56 6.0 -29.4 80 18 345.5 345.6 296.3 348.2 0.70 14 268 10482 -34.3 -45.3 32 11.0 -35.4 97 26 348.1 348.1 296.4 349.1 0.25 15 250 10960 -38.9 -48.9 34 10.0 -39.7 100 33 348.2 348.3 296.4 349.0 0.18 16 224 11704 -45.7 -49.6 65 3.9 -45.9 88 36 348.9 349.0 296.5 349.7 0.18 17 200 12450 -52.5 -55.8 67 3.3 -52.6 80 42 349.6 349.7 296.7 350.1 0.10 18 199 12482 -52.7 -55.9 68 3.2 -52.8 80 42 349.8 349.8 296.7 350.2 0.10 19 181 13087 -57.7 -63.7 46 6.0 -57.8 85 46 351.3 351.3 297.0 351.5 0.04 20 150 14240 -68.7 -74.7 42 6.0 -68.7 95 51 351.7 351.7 297.0 351.8 0.01 21 114 15828 -81.7 -86.6 43 4.9 -81.7 100 60 356.3 356.3 298.0 356.3 0.00 22 112 15927 -81.1 -86.3 41 5.2 -81.1 105 62 359.2 359.2 298.5 359.2 0.00 23 100 16570 -77.1 -84.1 32 7.0 -77.1 125 17 378.8 378.8 302.1 378.8 0.00 24 90 17169 -80.7 -87.7 30 7.0 -80.7 383.2 383.2 302.8 383.2 0.00 25 75 18207 -77.1 -84.1 32 7.0 -77.1 411.2 411.2 306.7 411.3 0.00 TRP 114 15828 -81.7 -86.6 43 4.9 -81.7 100 60 356.3 356.3 298.0 356.3 0.00 WND 112 15927 -81.1 -86.3 41 5.2 -81.1 105 62 359.2 359.2 298.5 359.2 0.00 Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 562.00 mb = 4900.12 m = 16076.32 ft Wetbulb zero: 572.17 mb = 4753.70 m = 15595.93 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 91.74 % Est. max temperature: 31.17 C = 88.10 F Sfc-Lift cond lev (LCL): 989.74 mb = 146.00 m = 478.99 ft T: 23.67 C 700-500 lapse rate: 5.18 C/km ThetaE index: 6.55 C Layer 785.0- 700.0 mb Conv cond level (CCL): 923.83 mb = 747.04 m = 2450.88 ft Mean mixing ratio: 17.10 g/kg Conv temperature: 27.51 C = 81.52 F Cap Strength: 0.36 C Lifted Index: -1.87 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.19 C Lifted Index @700 mb: -1.34 C Showalter Index: -0.76 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.60 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 235.40 Risk: None Energy Index: -1.04 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 424.80 J/kg Max Up Vert Vel: 29.15 m/s Conv Inhibition (B-): 3.20 J/kg Cap Strength: 0.36 C Lift Cond Lev (LCL): 939.31 mb = 602.09 m = 1975.33 ft Lev Free Conv (LFC): 884.31 mb = 1127.53 m = 3699.21 ft Equ Level (EL): 304.31 mb = 9586.81 m = 31452.40 ft B at Equ Level: 423.60 J/kg Max Parcel Lev (MPL): 104.31 mb = 16330.40 m = 53576.77 ft Wind level data Storm motion: 94 at 7 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 ---------------------------------------------------------- 0 998 74 0 0 -0.0 -0.0 | 274 7 7.1 -0.5 1 972 305 290 8 7.5 -2.7 | 282 15 14.6 -3.2 2 925 736 290 5 4.7 -1.7 | 281 12 11.8 -2.2 3 906 914 310 6 4.6 -3.9 | 290 13 11.7 -4.4 4 875 1219 360 5 -0.0 -5.0 | 308 9 7.1 -5.5 5 850 1472 10 8 -1.4 -7.9 | 326 10 5.7 -8.4 6 845 1524 5 8 -0.7 -8.0 | 323 11 6.4 -8.5 7 815 1829 360 8 -0.0 -8.0 | 320 11 7.1 -8.5 8 786 2134 35 9 -5.2 -7.4 | 346 8 2.0 -7.9 9 731 2743 10 6 -1.0 -5.9 | 316 9 6.1 -6.4 10 700 3107 40 6 -3.9 -4.6 | 327 6 3.3 -5.1 11 654 3658 85 7 -7.0 -0.6 | 352 1 0.2 -1.1 12 630 3962 70 10 -9.4 -3.4 | 30 5 -2.3 -3.9 13 522 5486 100 16 -15.8 2.8 | 105 9 -8.6 2.3 14 500 5830 95 19 -18.9 1.7 | 96 12 -11.8 1.2 15 400 7560 90 14 -14.0 0.0 | 86 7 -6.9 -0.5 16 397 7620 90 15 -15.0 0.0 | 86 8 -7.9 -0.5 17 381 7925 75 14 -13.5 -3.6 | 57 8 -6.4 -4.1 18 323 9144 105 13 -12.6 3.4 | 118 6 -5.4 2.9 19 300 9690 80 18 -17.7 -3.1 | 71 11 -10.6 -3.6 20 297 9754 85 17 -16.9 -1.5 | 79 10 -9.8 -2.0 21 261 10668 100 28 -27.6 4.9 | 102 21 -20.4 4.4 22 250 10960 100 33 -32.5 5.7 | 102 26 -25.4 5.2 23 250 10973 95 30 -29.9 2.6 | 95 23 -22.8 2.1 24 200 12450 80 42 -41.4 -7.3 | 77 35 -34.2 -7.8 25 180 13106 85 46 -45.8 -4.0 | 83 39 -38.7 -4.5 26 171 13411 85 49 -48.8 -4.3 | 83 42 -41.7 -4.8 27 150 14240 95 51 -50.8 4.4 | 95 44 -43.7 3.9 28 148 14326 90 53 -53.0 0.0 | 89 46 -45.9 -0.5 29 133 14935 90 46 -46.0 0.0 | 89 39 -38.9 -0.5 30 114 15828 100 60 -59.1 10.4 | 101 53 -52.0 9.9 31 112 15927 105 62 -59.9 16.0 | 106 55 -52.8 15.5 32 108 16154 105 62 -59.9 16.0 | 106 55 -52.8 15.5 33 100 16570 125 17 -13.9 9.8 | 144 11 -6.8 9.2 34 97 16764 125 19 -15.6 10.9 | 141 13 -8.4 10.4 Wind Parameters Mean winds (0-6000m): 64.0 at 9.5 knts Storm direction: 94.0 at 7.1 knts Shear (0-3000m) pos: 2.1 neg: 1.4 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 52.5 deg Storm rel helicity (0-3000m) pos: 41.8 neg: -19.4 tot: 22.4 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 1.5 10^-3/s Energy-Hel index: 0.10 Bulk Rich Number: 16.28 Bulk Shear: 26.10 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 ------------------------------------------------------------------------------- 500 290 6 281 13| 0.0 6.3 6.3| 5.4 -7.7 -2.3 -4.5 0.03| 10.8 0.3 1000 297 6 284 13| 2.4 3.2 5.5| 18.4 -8.0 10.4 10.4 0.27| 8.2 2.2 1500 319 6 294 12| 3.0 2.1 5.1| 29.3 -9.6 19.7 13.1 0.36| 7.5 2.7 2000 337 6 304 12| 2.9 1.6 4.5| 38.3 -10.6 27.6 13.8 0.42| 6.8 2.8 2500 350 7 311 11| 2.3 1.6 4.0| 39.5 -17.2 22.3 8.9 0.28| 6.2 1.8 3000 356 7 313 10| 2.1 1.4 3.5| 41.8 -19.4 22.4 7.5 0.26| 5.8 1.5 4000 18 7 324 9| 1.9 0.7 2.6| 45.0 -19.4 25.5 6.4 0.28| 5.6 1.6 5000 43 8 345 7| 2.0 0.6 2.5| 52.7 -19.4 33.3 6.7 0.35| 5.1 1.8 6000 64 10 17 5| 1.9 0.4 2.3| 57.1 -24.5 32.6 5.4 0.32| 4.8 1.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251021.00.gif