UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 9 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 ------------------------------------------------------------------------------- SFC 1000 83 30.0 24.0 70 6.0 25.5 290 2 303.1 306.7 298.7 359.9 19.11 1 925 767 22.4 18.2 77 4.2 19.5 305 11 302.2 304.9 295.4 344.6 14.36 2 850 1501 18.8 14.4 76 4.4 15.8 280 9 305.8 308.1 294.9 342.5 12.23 3 700 3143 11.0 2.0 54 9.0 5.9 140 5 314.7 315.9 292.9 334.6 6.33 4 500 5870 -5.7 -7.8 85 2.1 -6.7 110 2 326.1 326.9 294.4 340.3 4.26 5 400 7590 -15.5 -20.3 67 4.8 -17.0 70 14 334.8 335.2 294.7 341.6 1.90 6 300 9700 -30.1 -44.1 24 14.0 -31.7 110 26 343.0 343.0 295.3 344.0 0.25 7 250 10970 -40.3 -61.3 9 21.0 -41.3 100 41 346.2 346.2 295.8 346.3 0.04 8 200 12450 -53.9 -66.9 19 13.0 -54.2 100 55 347.4 347.4 296.1 347.5 0.02 9 150 14240 -69.3 -75.3 41 6.0 -69.4 115 51 350.7 350.7 296.8 350.8 0.01 10 109 16085 -81.3 -85.9 46 4.6 -81.3 65 31 361.6 361.6 299.0 361.6 0.00 11 100 16580 -71.9 -81.9 21 10.0 -71.9 150 14 388.8 388.8 303.6 388.8 0.00 12 75 18253 -76.9 -87.9 16 11.0 -76.9 85 13 411.7 411.7 306.7 411.7 0.00 13 70 18650 -76.1 -88.1 13 12.0 -76.2 70 13 421.6 421.6 307.9 421.6 0.00 14 67 18901 -77.3 -88.3 16 11.0 -77.3 75 13 424.3 424.3 308.2 424.3 0.00 15 53 20272 -68.3 -88.3 4 20.0 -68.5 99 11 474.6 474.6 313.0 474.6 0.00 16 50 20620 -69.3 -89.3 4 20.0 -69.5 105 11 480.2 480.2 313.5 480.2 0.00 17 46 21116 -70.9 -90.9 4 20.0 -71.1 104 18 487.9 487.9 314.1 487.9 0.00 18 42 21662 -65.1 -92.1 1 27.0 -65.5 103 26 515.1 515.1 316.0 515.1 0.00 19 30 23740 -59.5 -93.5 0 34.0 -60.5 100 55 582.4 582.4 319.8 582.4 0.00 20 22 25691 -57.1 -91.1 1 34.0 -58.7 92 62 643.6 643.6 322.4 643.6 0.00 21 20 26300 -52.7 -88.7 1 36.0 -55.5 90 64 674.9 674.9 323.6 674.9 0.01 22 17 27357 -47.5 -84.5 1 37.0 -52.2 93 68 723.6 723.7 325.2 723.8 0.02 23 12 29668 -44.1 -82.1 1 38.0 -51.5 99 76 811.5 811.5 327.5 811.9 0.04 24 11 30253 -41.9 -80.4 1 38.5 -50.7 100 78 839.9 839.9 328.2 840.5 0.06 25 10 30900 -39.5 -78.5 1 39.0 -50.0 90 46 872.1 872.1 328.9 873.0 0.08 26 9.6 31181 -36.1 -76.1 1 40.0 -48.7 895.2 895.3 329.4 896.6 0.13 27 9.1 31555 -33.5 -74.5 1 41.0 -48.0 918.9 919.0 329.8 920.9 0.17 28 8.7 31871 -33.1 -74.1 1 41.0 -48.1 932.4 932.5 330.1 934.6 0.19 29 7.1 33274 -41.7 -80.7 1 39.0 -52.7 952.8 952.8 330.4 953.7 0.08 30 6.2 34197 -39.7 -78.7 1 39.0 -52.5 999.0 999.1 331.2 1000.6 0.13 31 4.7 36132 -29.5 -71.5 1 42.0 -50.4 1128.6 1129.0 333.1 1135.9 0.52 TRP 109 16085 -81.3 -85.9 46 4.6 -81.3 65 31 361.6 361.6 299.0 361.6 0.00 WND 11 30253 -41.9 -80.4 1 38.5 -50.7 100 78 839.9 839.9 328.2 840.5 0.06 Sounding variables and indices 1000-500 mb thick: 5786.58 m Freezing level: 568.26 mb = 4939.23 m = 16204.62 ft Wetbulb zero: 605.73 mb = 4315.27 m = 14157.55 ft Precipitable water: 2.03 inches Sfc-500 mean rel hum: 69.43 % Est. max temperature: 32.69 C = 90.84 F Sfc-Lift cond lev (LCL): 917.21 mb = 840.42 m = 2757.24 ft T: 22.04 C 700-500 lapse rate: 6.12 C/km ThetaE index: 25.35 C Layer 925.0- 500.0 mb Conv cond level (CCL): 842.38 mb = 1577.13 m = 5174.24 ft Mean mixing ratio: 16.03 g/kg Conv temperature: 33.09 C = 91.57 F Cap Strength: 1.30 C Lifted Index: -2.85 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.82 C Lifted Index @700 mb: 0.37 C Showalter Index: 0.08 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 20.10 C K Index: 29.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 192.80 Risk: None Energy Index: -0.47 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 718.43 J/kg Max Up Vert Vel: 37.91 m/s Conv Inhibition (B-): 56.30 J/kg Cap Strength: 1.30 C Lift Cond Lev (LCL): 886.10 mb = 1139.96 m = 3740.00 ft Lev Free Conv (LFC): 671.10 mb = 3484.73 m = 11432.70 ft Equ Level (EL): 151.10 mb = 14194.60 m = 46569.65 ft B at Equ Level: 708.66 J/kg Max Parcel Lev (MPL): 101.10 mb = 16517.26 m = 54189.81 ft Wind level data Storm motion: 224 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 1000 83 290 2 1.9 -0.7 | 17 4 -1.2 -4.0 1 1000 74 290 2 1.9 -0.7 | 17 4 -1.2 -4.0 2 925 767 305 11 9.0 -6.3 | 328 11 5.9 -9.6 3 909 914 290 10 9.4 -3.4 | 317 9 6.3 -6.7 4 850 1501 280 9 8.9 -1.6 | 310 8 5.7 -4.8 5 848 1524 280 9 8.9 -1.6 | 310 8 5.7 -4.8 6 789 2134 265 2 2.0 0.2 | 20 3 -1.1 -3.1 7 761 2438 165 8 -2.1 7.7 | 131 7 -5.2 4.5 8 700 3143 140 5 -3.2 3.8 | 95 6 -6.3 0.6 9 657 3658 130 3 -2.3 1.9 | 76 6 -5.4 -1.3 10 633 3962 160 5 -1.7 4.7 | 106 5 -4.8 1.4 11 587 4572 145 4 -2.3 3.3 | 90 5 -5.4 0.0 12 544 5182 175 7 -0.6 7.0 | 135 5 -3.7 3.7 13 524 5486 90 9 -9.0 0.0 | 75 13 -12.1 -3.3 14 505 5791 95 7 -7.0 0.6 | 75 10 -10.1 -2.7 15 500 5870 110 2 -1.9 0.7 | 63 6 -5.0 -2.6 16 486 6096 130 3 -2.3 1.9 | 76 6 -5.4 -1.3 17 467 6401 85 9 -9.0 -0.8 | 71 13 -12.1 -4.1 18 449 6706 80 7 -6.9 -1.2 | 66 11 -10.0 -4.5 19 431 7010 80 10 -9.8 -1.7 | 69 14 -13.0 -5.0 20 400 7590 70 14 -13.2 -4.8 | 64 18 -16.3 -8.1 21 382 7925 60 17 -14.7 -8.5 | 57 21 -17.8 -11.8 22 367 8230 75 19 -18.4 -4.9 | 69 23 -21.5 -8.2 23 324 9144 80 19 -18.7 -3.3 | 73 23 -21.8 -6.6 24 300 9700 110 26 -24.4 8.9 | 102 28 -27.6 5.6 25 298 9754 100 26 -25.6 4.5 | 92 29 -28.7 1.2 26 285 10058 95 30 -29.9 2.6 | 89 33 -33.0 -0.7 27 250 10970 100 41 -40.4 7.1 | 95 44 -43.5 3.9 28 228 11582 95 48 -47.8 4.2 | 91 51 -50.9 0.9 29 208 12192 90 55 -55.0 0.0 | 87 58 -58.1 -3.3 30 200 12450 100 55 -54.2 9.6 | 96 58 -57.3 6.3 31 150 14240 115 51 -46.2 21.6 | 110 53 -49.3 18.3 32 148 14326 115 50 -45.3 21.1 | 110 52 -48.4 17.9 33 140 14630 110 46 -43.2 15.7 | 105 48 -46.3 12.5 34 126 15240 90 30 -30.0 0.0 | 84 33 -33.1 -3.3 35 114 15850 50 26 -19.9 -16.7 | 49 30 -23.0 -20.0 36 109 16085 65 31 -28.1 -13.1 | 62 35 -31.2 -16.4 37 108 16154 45 30 -21.2 -21.2 | 45 35 -24.3 -24.5 38 102 16459 75 31 -29.9 -8.0 | 71 35 -33.1 -11.3 39 100 16580 150 14 -7.0 12.1 | 131 13 -10.1 8.9 40 70 18650 70 13 -12.2 -4.4 | 63 17 -15.3 -7.7 41 50 20620 105 11 -10.6 2.8 | 88 14 -13.7 -0.4 42 30 23740 100 55 -54.2 9.6 | 96 58 -57.3 6.3 43 20 26300 90 64 -64.0 0.0 | 87 67 -67.1 -3.3 44 11 30253 100 78 -76.8 13.5 | 97 81 -79.9 10.3 45 10 30900 90 46 -46.0 0.0 | 86 49 -49.1 -3.3 Wind Parameters Mean winds (0-6000m): 193.7 at 6.0 knts Storm direction: 223.7 at 4.5 knts Shear (0-3000m) pos: 1.1 neg: 2.3 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 82.1 deg Storm rel helicity (0-3000m) pos: 4.7 neg: -23.5 tot: -18.8 m^2/s^2 ave: -6.3 10^-3 m/s^2 rel: -0.15 Storm rel vorticity (0-3000m) horiz: 6.1 stream: -0.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 63.90 Bulk Shear: 11.24 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 ------------------------------------------------------------------------------- 500 302 5 347 6| 6.7 0.0 6.7| 0.0 -6.1 -6.1 -12.3 -0.63| 6.8 -4.3 1000 299 8 332 8| 3.4 1.3 4.6| 0.0 -13.5 -13.5 -13.5 -0.58| 6.2 -3.6 1500 293 8 325 8| 2.2 1.1 3.4| 0.3 -14.9 -14.6 -9.8 -0.53| 4.8 -2.6 2000 290 8 326 7| 1.7 1.7 3.4| 4.5 -14.9 -10.4 -5.2 -0.18| 5.2 -0.9 2500 281 7 320 6| 1.3 3.1 4.5| 4.7 -18.5 -13.8 -5.5 -0.08| 6.7 -0.5 3000 269 7 310 5| 1.1 2.3 3.5| 4.7 -23.5 -18.8 -6.3 -0.15| 6.1 -0.9 4000 249 6 291 3| 0.8 1.5 2.3| 8.3 -27.1 -18.8 -4.7 -0.13| 5.2 -0.7 5000 223 6 219 1| 0.8 1.2 2.0| 13.1 -28.7 -15.6 -3.1 -0.07| 4.6 -0.3 6000 194 6 147 3| 1.2 1.5 2.7| 15.9 -54.4 -38.5 -6.4 -0.18| 5.6 -1.0 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251009.12.gif