UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120711.upa.cvt Date: 1100Z 7 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1100Z 7 DEC 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 1002 77 29.0 23.0 70 6.0 24.6 0 0 302.0 305.3 297.7 354.9 17.93 1 1000 95 28.8 20.8 62 8.0 23.0 260 2 302.0 304.8 296.2 348.1 15.65 2 925 781 23.4 17.4 69 6.0 19.2 45 8 303.2 305.8 295.2 343.7 13.64 3 850 1514 17.8 14.8 83 3.0 15.8 75 12 304.8 307.1 294.8 342.3 12.55 4 700 3151 10.8 1.8 54 9.0 5.8 90 2 314.4 315.6 292.8 334.1 6.24 5 500 5870 -5.3 -16.3 42 11.0 -9.4 40 7 326.6 327.0 292.8 333.9 2.14 6 400 7590 -16.5 -37.5 14 21.0 -20.4 90 13 333.5 333.6 293.0 335.0 0.38 7 300 9690 -30.9 -34.3 72 3.4 -31.4 165 17 341.8 342.0 295.4 344.5 0.70 8 250 10960 -41.9 -46.9 58 5.0 -42.3 180 20 343.8 343.8 295.4 344.7 0.22 9 200 12430 -53.7 -62.7 32 9.0 -53.9 220 12 347.7 347.7 296.2 347.9 0.04 10 150 14220 -68.1 -78.1 23 10.0 -68.2 220 9 352.8 352.8 297.3 352.8 0.01 11 100 16560 -83.1 -90.1 29 7.0 -83.1 120 14 367.2 367.2 300.1 367.2 0.00 12 89 17210 -88.5 -95.5 26 7.0 -88.5 135 33 368.8 368.8 300.4 368.8 0.00 13 70 18550 -81.7 -89.7 24 8.0 -81.7 105 6 409.6 409.6 306.5 409.6 0.00 14 50 20510 -70.1 -86.1 8 16.0 -70.2 85 26 478.3 478.3 313.3 478.3 0.00 15 30 23590 -60.5 -81.5 5 21.0 -61.3 85 52 579.7 579.7 319.6 579.8 0.02 16 20 26140 -55.1 -87.1 1 32.0 -57.3 85 43 667.5 667.5 323.3 667.6 0.01 17 10 30720 -43.9 -81.9 1 38.0 -52.1 155 13 855.7 855.7 328.5 856.2 0.05 TRP 89 17210 -88.5 -95.5 26 7.0 -88.5 135 33 368.8 368.8 300.4 368.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 565.84 mb = 4974.93 m = 16321.74 ft Wetbulb zero: 624.06 mb = 4078.91 m = 13382.09 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 58.88 % Est. max temperature: 31.78 C = 89.20 F Sfc-Lift cond lev (LCL): 918.83 mb = 839.00 m = 2752.60 ft T: 22.96 C 700-500 lapse rate: 5.92 C/km ThetaE index: 20.99 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 813.96 mb = 1879.24 m = 6165.41 ft Mean mixing ratio: 14.41 g/kg Conv temperature: 33.96 C = 93.14 F Cap Strength: 1.65 C Lifted Index: -0.69 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.01 C Lifted Index @700 mb: 1.46 C Showalter Index: 0.57 C Risk: Thunderstorms probable Total Totals Index: 43.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 20.10 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 208.60 Risk: None Energy Index: -1.63 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 165.98 J/kg Max Up Vert Vel: 18.22 m/s Conv Inhibition (B-): 137.13 J/kg Cap Strength: 1.65 C Lift Cond Lev (LCL): 863.51 mb = 1377.28 m = 4518.59 ft Lev Free Conv (LFC): 568.51 mb = 4832.29 m = 15853.79 ft Equ Level (EL): 238.51 mb = 11269.89 m = 36974.26 ft B at Equ Level: 162.91 J/kg Max Parcel Lev (MPL): 168.51 mb = 13495.91 m = 44277.39 ft Wind level data Storm motion: 105 at 6 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 1002 77 0 0 -0.0 -0.0 | 285 6 5.5 -1.5 1 1000 95 260 2 2.0 0.3 | 279 8 7.5 -1.1 2 976 305 260 4 3.9 0.7 | 275 10 9.5 -0.8 3 943 610 40 4 -2.6 -3.1 | 327 5 3.0 -4.6 4 925 781 45 8 -5.7 -5.7 | 1 7 -0.1 -7.2 5 879 1219 80 10 -9.8 -1.7 | 53 5 -4.3 -3.2 6 850 1514 75 12 -11.6 -3.1 | 53 8 -6.0 -4.6 7 790 2134 70 12 -11.3 -4.1 | 46 8 -5.7 -5.6 8 762 2438 70 6 -5.6 -2.1 | 2 4 -0.1 -3.5 9 735 2743 190 3 0.5 3.0 | 256 6 6.1 1.5 10 700 3151 90 2 -2.0 0.0 | 293 4 3.5 -1.5 11 683 3353 35 3 -1.7 -2.5 | 316 6 3.8 -4.0 12 657 3658 40 6 -3.9 -4.6 | 345 6 1.7 -6.1 13 633 3962 95 9 -9.0 0.8 | 78 3 -3.4 -0.7 14 610 4267 95 10 -10.0 0.9 | 82 4 -4.4 -0.6 15 565 4877 110 12 -11.3 4.1 | 114 6 -5.7 2.6 16 524 5486 15 6 -1.6 -5.8 | 331 8 4.0 -7.3 17 500 5870 40 7 -4.5 -5.4 | 351 7 1.0 -6.9 18 486 6096 50 7 -5.4 -4.5 | 358 6 0.2 -6.0 19 467 6401 95 8 -8.0 0.7 | 72 3 -2.4 -0.8 20 449 6706 80 13 -12.8 -2.3 | 63 8 -7.3 -3.8 21 400 7590 90 13 -13.0 0.0 | 79 8 -7.5 -1.5 22 398 7620 85 17 -16.9 -1.5 | 75 12 -11.4 -3.0 23 351 8534 100 12 -11.8 2.1 | 95 6 -6.3 0.6 24 300 9690 165 17 -4.4 16.4 | 184 15 1.1 14.9 25 285 10058 180 19 0.0 19.0 | 198 18 5.5 17.5 26 250 10960 180 20 0.0 20.0 | 197 19 5.5 18.5 27 217 11887 160 12 -4.1 11.3 | 188 10 1.4 9.8 28 200 12430 220 12 7.7 9.2 | 240 15 13.3 7.7 29 171 13411 255 13 12.6 3.4 | 264 18 18.1 1.9 30 163 13716 270 10 10.0 -0.0 | 276 16 15.5 -1.5 31 155 14021 240 8 6.9 4.0 | 259 13 12.5 2.5 32 150 14220 220 9 5.8 6.9 | 245 13 11.3 5.4 33 147 14326 210 9 4.5 7.8 | 238 12 10.0 6.3 34 140 14630 250 11 10.3 3.8 | 262 16 15.9 2.3 35 133 14935 245 10 9.1 4.2 | 259 15 14.6 2.7 36 119 15545 215 10 5.7 8.2 | 239 13 11.3 6.7 37 113 15850 220 8 5.1 6.1 | 247 12 10.7 4.6 38 107 16154 190 8 1.4 7.9 | 227 9 6.9 6.4 39 102 16459 140 11 -7.1 8.4 | 168 7 -1.5 6.9 40 100 16560 120 14 -12.1 7.0 | 130 9 -6.6 5.5 41 89 17210 135 33 -23.3 23.3 | 141 28 -17.8 21.8 42 70 18550 105 6 -5.8 1.6 | 102 0 -0.3 0.1 43 50 20510 85 26 -25.9 -2.3 | 80 21 -20.4 -3.8 44 30 23590 85 52 -51.8 -4.5 | 83 47 -46.3 -6.0 45 20 26140 85 43 -42.8 -3.7 | 82 38 -37.3 -5.2 46 10 30720 155 13 -5.5 11.8 | 180 10 0.0 10.3 Wind Parameters Mean winds (0-6000m): 75.1 at 7.7 knts Storm direction: 105.1 at 5.7 knts Shear (0-3000m) pos: 0.9 neg: 0.6 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -1.8 deg Storm rel helicity (0-3000m) pos: 36.3 neg: -10.1 tot: 26.2 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 1.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 10.82 Bulk Shear: 15.34 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 ------------------------------------------------------------------------------- 500 287 3 286 9| 4.1 0.0 4.1| 16.7 -2.4 14.2 28.5 0.49| 12.6 6.2 1000 40 5 341 6| 4.8 0.0 4.8| 29.6 -2.4 27.2 27.2 0.67| 10.6 7.1 1500 64 7 12 5| 4.1 0.0 4.1| 32.6 -2.7 29.9 19.9 0.64| 8.4 5.4 2000 68 8 26 5| 3.1 0.2 3.3| 32.6 -4.3 28.3 14.1 0.58| 6.5 3.8 2500 69 8 27 5| 1.1 0.2 1.3| 32.6 -10.1 22.5 9.0 0.18| 7.6 1.4 3000 72 8 22 4| 0.9 0.6 1.5| 36.3 -10.1 26.2 8.7 0.23| 7.6 1.7 4000 71 7 15 4| 1.7 1.0 2.7| 51.7 -10.1 41.5 10.4 0.39| 7.6 2.9 5000 80 8 37 4| 1.6 1.2 2.8| 56.0 -19.1 36.9 7.4 0.28| 7.1 2.0 6000 75 8 28 4| 1.6 1.6 3.1| 62.2 -35.3 26.9 4.5 0.16| 7.1 1.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251207.11.gif