UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 20 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 43 0 0 SFC 996 78 24.0 23.4 96 0.6 23.6 0 0 297.5 300.8 296.9 351.1 18.49 2 987 158 26.2 21.2 74 5.0 22.6 0 3 300.5 303.4 296.2 348.2 16.26 3 928 701 22.4 20.5 89 1.9 21.1 309 8 301.9 305.0 296.8 350.9 16.58 4 925 729 22.2 20.4 90 1.8 20.9 305 8 302.0 305.0 296.8 350.8 16.53 5 894 1026 21.2 14.2 64 7.0 16.5 301 10 303.9 306.1 293.9 338.1 11.46 6 850 1463 18.0 15.3 84 2.7 16.2 285 3 305.0 307.4 295.2 343.8 12.97 7 842 1544 17.4 15.6 89 1.8 16.2 307 2 305.2 307.7 295.6 345.1 13.36 8 716 2916 12.0 7.0 71 5.0 8.9 53 9 313.7 315.4 294.6 341.2 8.82 9 700 3105 10.8 6.2 73 4.6 8.0 55 8 314.4 316.1 294.6 341.1 8.53 10 654 3667 6.6 3.6 81 3.0 4.8 65 7 315.9 317.3 294.3 339.8 7.60 11 551 5057 0.0 -2.5 83 2.5 -1.3 101 13 323.9 325.1 295.0 342.8 5.79 12 519 5535 -2.1 -7.0 69 4.9 -4.4 95 17 327.0 327.8 294.7 341.5 4.36 13 500 5830 -4.5 -6.8 84 2.3 -5.6 90 20 327.6 328.5 295.0 342.9 4.60 14 491 5972 -5.9 -6.9 93 1.0 -6.4 93 19 327.5 328.5 295.1 343.1 4.65 15 436 6893 -10.1 -13.2 78 3.1 -11.3 125 9 333.5 334.2 295.4 344.5 3.17 16 400 7550 -14.5 -17.5 78 3.0 -15.6 100 3 336.1 336.6 295.4 344.7 2.42 17 363 8283 -18.9 -22.7 72 3.8 -20.0 111 7 339.7 340.1 295.7 345.9 1.70 18 323 9146 -25.5 -28.7 75 3.2 -26.2 117 12 342.1 342.4 295.8 346.3 1.11 19 300 9680 -29.1 -34.1 62 5.0 -30.0 130 13 344.4 344.5 296.0 347.1 0.71 20 250 10950 -39.5 -49.5 34 10.0 -40.2 125 15 347.3 347.4 296.2 348.0 0.17 21 249 10977 -39.7 -50.7 30 11.0 -40.5 135 13 347.4 347.5 296.2 348.1 0.15 22 200 12430 -52.5 -59.5 43 7.0 -52.7 80 21 349.6 349.6 296.6 349.9 0.06 23 150 14220 -68.3 -72.9 52 4.6 -68.4 70 31 352.4 352.4 297.2 352.5 0.01 24 141 14585 -71.9 -75.3 60 3.4 -71.9 74 31 352.4 352.4 297.1 352.5 0.01 25 107 16151 -83.9 -87.9 49 4.0 -83.9 90 49 358.6 358.6 298.4 358.6 0.00 26 106 16202 -83.9 -87.9 49 4.0 -83.9 94 46 359.6 359.6 298.6 359.6 0.00 27 105 16254 -83.9 -88.1 48 4.2 -83.9 93 47 360.6 360.6 298.8 360.6 0.00 28 104 16307 -82.3 -87.3 42 5.0 -82.3 92 48 364.6 364.6 299.6 364.6 0.00 29 103 16362 -77.7 -83.7 37 6.0 -77.7 92 49 374.4 374.4 301.4 374.4 0.00 30 100 16530 -77.1 -84.1 32 7.0 -77.1 135 25 378.8 378.8 302.1 378.8 0.00 31 93 16950 -77.2 -84.2 32 7.0 -77.2 125 61 386.6 386.6 303.3 386.6 0.00 32 77 18040 -77.3 -84.3 32 7.0 -77.3 235 32 407.7 407.7 306.2 407.8 0.00 33 71 18508 -76.9 -84.9 27 8.0 -76.9 282 19 418.2 418.2 307.5 418.2 0.00 34 70 18590 -75.9 -84.9 23 9.0 -75.9 290 17 422.0 422.0 307.9 422.0 0.00 35 66 18933 -72.7 -84.7 15 12.0 -72.8 436.1 436.1 309.5 436.2 0.00 36 62 19299 -74.1 -84.1 20 10.0 -74.2 440.9 440.9 310.0 440.9 0.01 37 52 20339 -68.1 -84.1 8 16.0 -68.3 477.6 477.6 313.2 477.7 0.01 TRP 107 16151 -83.9 -87.9 49 4.0 -83.9 90 49 358.6 358.6 298.4 358.6 0.00 WND 93 16950 -77.2 -84.2 32 7.0 -77.2 125 61 386.6 386.6 303.3 386.6 0.00 Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 551.00 mb = 5057.20 m = 16591.67 ft Wetbulb zero: 573.23 mb = 4736.38 m = 15539.12 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 79.33 % Est. max temperature: 31.60 C = 88.88 F Sfc-Lift cond lev (LCL): 987.76 mb = 151.56 m = 497.24 ft T: 26.01 C 700-500 lapse rate: 5.61 C/km ThetaE index: 12.81 C Layer 925.0- 850.0 mb Conv cond level (CCL): 856.70 mb = 1395.02 m = 4576.78 ft Mean mixing ratio: 15.82 g/kg Conv temperature: 31.34 C = 88.42 F Cap Strength: 2.08 C Lifted Index: -0.89 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.24 C Lifted Index @700 mb: 0.70 C Showalter Index: 0.78 C Risk: Thunderstorms probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.80 C K Index: 33.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 209.60 Risk: None Energy Index: -0.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 129.52 J/kg Max Up Vert Vel: 16.09 m/s Conv Inhibition (B-): 77.88 J/kg Cap Strength: 2.05 C Lift Cond Lev (LCL): 898.27 mb = 984.68 m = 3230.55 ft Lev Free Conv (LFC): 673.27 mb = 3427.03 m = 11243.39 ft Equ Level (EL): 303.27 mb = 9601.59 m = 31500.88 ft B at Equ Level: 128.12 J/kg Max Parcel Lev (MPL): 183.27 mb = 12973.58 m = 42563.71 ft Wind level data Storm motion: 104 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 ---------------------------------------------------------- 0 996 78 0 0 -0.0 -0.0 | 284 7 6.8 -1.8 1 971 305 360 9 -0.0 -9.0 | 328 13 6.8 -10.8 2 925 729 305 8 6.6 -4.6 | 295 15 13.4 -6.3 3 905 914 305 12 9.8 -6.9 | 297 19 16.7 -8.6 4 850 1463 285 3 2.9 -0.8 | 285 10 9.7 -2.5 5 844 1524 300 2 1.7 -1.0 | 288 9 8.6 -2.8 6 814 1829 45 4 -2.8 -2.8 | 319 6 4.0 -4.6 7 785 2134 65 5 -4.5 -2.1 | 329 4 2.3 -3.9 8 731 2743 50 8 -6.1 -5.1 | 354 7 0.7 -6.9 9 705 3048 55 10 -8.2 -5.7 | 10 8 -1.4 -7.5 10 700 3105 55 8 -6.6 -4.6 | 358 6 0.3 -6.3 11 654 3658 65 7 -6.3 -3.0 | 354 5 0.5 -4.7 12 630 3962 110 8 -7.5 2.7 | 145 1 -0.7 1.0 13 542 5182 100 14 -13.8 2.4 | 96 7 -7.0 0.7 14 500 5830 90 20 -20.0 0.0 | 82 13 -13.2 -1.8 15 483 6096 95 18 -17.9 1.6 | 89 11 -11.1 -0.2 16 429 7010 130 8 -6.1 5.1 | 192 3 0.7 3.4 17 400 7550 100 3 -3.0 0.5 | 288 4 3.9 -1.2 18 365 8230 110 7 -6.6 2.4 | 201 1 0.2 0.6 19 350 8534 120 10 -8.7 5.0 | 151 4 -1.8 3.2 20 336 8839 110 11 -10.3 3.8 | 120 4 -3.5 2.0 21 300 9680 130 13 -10.0 8.4 | 155 7 -3.1 6.6 22 284 10058 125 15 -12.3 8.6 | 141 9 -5.5 6.8 23 250 10950 125 15 -12.3 8.6 | 141 9 -5.5 6.8 24 249 10973 135 13 -9.2 9.2 | 162 8 -2.4 7.4 25 227 11582 105 13 -12.6 3.4 | 106 6 -5.7 1.6 26 207 12192 100 13 -12.8 2.3 | 95 6 -6.0 0.5 27 200 12430 80 21 -20.7 -3.6 | 69 15 -13.9 -5.4 28 188 12802 80 23 -22.7 -4.0 | 70 17 -15.8 -5.7 29 171 13411 80 28 -27.6 -4.9 | 72 22 -20.7 -6.6 30 163 13716 80 30 -29.5 -5.2 | 73 24 -22.7 -7.0 31 155 14021 65 29 -26.3 -12.3 | 54 24 -19.5 -14.0 32 150 14220 70 31 -29.1 -10.6 | 61 25 -22.3 -12.4 33 140 14630 75 31 -29.9 -8.0 | 67 25 -23.1 -9.8 34 107 16151 90 49 -49.0 0.0 | 88 42 -42.2 -1.8 35 107 16154 95 45 -44.8 3.9 | 93 38 -38.0 2.2 36 101 16459 90 51 -51.0 0.0 | 88 44 -44.2 -1.8 37 100 16530 135 25 -17.7 17.7 | 146 19 -10.9 15.9 38 96 16764 145 15 -8.6 12.3 | 170 11 -1.8 10.5 39 93 16950 125 61 -50.0 35.0 | 128 54 -43.1 33.2 40 70 18590 290 17 16.0 -5.8 | 288 24 22.8 -7.6 Wind Parameters Mean winds (0-6000m): 74.4 at 9.4 knts Storm direction: 104.4 at 7.0 knts Shear (0-3000m) pos: 2.4 neg: 1.6 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 79.7 deg Storm rel helicity (0-3000m) pos: 34.1 neg: -39.5 tot: -5.4 m^2/s^2 ave: -1.8 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 1.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7.79 Bulk Shear: 16.63 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 ------------------------------------------------------------------------------- 500 348 7 316 12| 0.0 8.6 8.6| 14.4 -16.1 -1.8 -3.6 0.13| 14.0 1.9 1000 323 8 305 14| 0.0 4.8 4.8| 15.8 -32.5 -16.7 -16.7 -0.09| 10.9 -0.9 1500 317 7 301 14| 2.4 3.2 5.6| 18.7 -38.9 -20.2 -13.5 -0.08| 10.1 -0.8 2000 327 6 304 13| 3.2 2.4 5.6| 27.7 -38.9 -11.2 -5.6 0.06| 9.2 0.5 2500 344 6 312 12| 2.6 1.9 4.5| 30.5 -38.9 -8.4 -3.4 0.11| 7.9 0.9 3000 3 7 322 11| 2.4 1.6 4.0| 34.1 -39.5 -5.4 -1.8 0.14| 7.2 1.0 4000 28 7 335 9| 2.2 1.2 3.4| 35.9 -41.3 -5.3 -1.3 0.17| 6.6 1.1 5000 58 8 358 6| 1.8 0.7 2.5| 35.9 -43.1 -7.2 -1.4 0.12| 5.8 0.7 6000 74 9 27 5| 1.5 0.7 2.3| 39.5 -48.9 -9.4 -1.6 0.09| 5.6 0.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251020.00.gif