UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 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 74 25.0 23.9 94 1.1 24.2 0 0 298.0 301.4 297.3 353.1 18.96 1 1000 91 25.4 23.4 89 2.0 24.0 360 3 298.5 301.9 297.1 352.2 18.41 2 925 778 22.0 18.1 79 3.9 19.3 30 6 301.8 304.4 295.3 343.9 14.27 3 850 1507 16.8 13.7 82 3.1 14.8 80 19 303.7 305.9 293.9 338.5 11.67 4 700 3148 11.2 -5.8 30 17.0 2.9 90 12 314.9 315.6 290.6 326.3 3.54 5 500 5870 -4.9 -12.9 53 8.0 -8.2 115 11 327.1 327.6 293.5 336.7 2.83 6 400 7580 -16.3 -26.3 42 10.0 -18.9 125 6 333.8 334.0 293.8 337.9 1.12 7 300 9680 -31.3 -34.8 71 3.5 -31.9 170 26 341.3 341.4 295.2 343.8 0.66 8 250 10950 -40.9 -47.9 47 7.0 -41.4 175 24 345.3 345.3 295.7 346.1 0.20 9 200 12420 -52.9 -65.9 19 13.0 -53.2 195 19 349.0 349.0 296.4 349.1 0.03 10 150 14220 -67.9 -75.9 31 8.0 -67.9 245 15 353.1 353.1 297.3 353.2 0.01 11 100 16540 -84.1 -88.5 46 4.4 -84.1 230 20 365.2 365.2 299.7 365.2 0.00 12 90 17119 -87.5 -92.2 41 4.7 -87.5 160 24 369.6 369.6 300.5 369.6 0.00 13 90 17119 -87.5 -92.1 42 4.6 -87.5 160 24 369.6 369.6 300.5 369.6 0.00 14 90 17119 -87.3 -92.0 41 4.7 -87.3 160 24 370.0 370.0 300.6 370.0 0.00 15 90 17119 -87.3 -92.0 41 4.7 -87.3 160 24 370.0 370.0 300.6 370.0 0.00 16 89 17180 -84.9 -91.9 28 7.0 -84.9 154 23 376.0 376.0 301.6 376.0 0.00 17 89 17180 -80.5 -90.5 17 10.0 -80.5 154 23 384.8 384.8 303.0 384.8 0.00 18 89 17180 -77.5 -85.5 26 8.0 -77.5 154 23 390.8 390.8 303.9 390.8 0.00 19 76 18084 -78.1 -86.1 26 8.0 -78.1 69 13 407.6 407.6 306.2 407.6 0.00 20 70 18550 -81.7 -88.7 29 7.0 -81.7 25 8 409.6 409.6 306.5 409.6 0.00 21 67 18796 -82.9 -89.9 29 7.0 -82.9 33 10 412.2 412.2 306.8 412.2 0.00 22 63 19146 -77.1 -87.1 19 10.0 -77.1 44 12 432.3 432.3 309.1 432.3 0.00 23 59 19524 -77.5 -86.5 22 9.0 -77.6 55 15 439.6 439.6 309.8 439.6 0.00 24 55 19932 -74.1 -86.1 14 12.0 -74.2 68 17 456.3 456.3 311.4 456.3 0.00 25 54 20040 -70.9 -84.9 11 14.0 -71.0 71 18 466.0 466.0 312.3 466.1 0.01 26 50 20500 -69.1 -86.1 7 17.0 -69.3 85 21 480.7 480.7 313.5 480.7 0.00 27 48 20744 -69.1 -87.1 6 18.0 -69.3 486.3 486.3 314.0 486.3 0.00 28 46 21000 -66.5 -87.5 4 21.0 -66.8 498.5 498.5 314.8 498.5 0.00 29 42 21548 -68.1 -88.1 4 20.0 -68.4 507.7 507.7 315.5 507.7 0.00 TRP 90 17119 -87.5 -92.2 41 4.7 -87.5 160 24 369.6 369.6 300.5 369.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 560.87 mb = 5041.57 m = 16540.37 ft Wetbulb zero: 647.01 mb = 3784.78 m = 12417.10 ft Precipitable water: 1.71 inches Sfc-500 mean rel hum: 55.16 % Est. max temperature: 30.72 C = 87.29 F Sfc-Lift cond lev (LCL): 986.53 mb = 210.53 m = 690.71 ft T: 24.81 C 700-500 lapse rate: 5.91 C/km ThetaE index: 26.82 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 879.44 mb = 1213.42 m = 3980.98 ft Mean mixing ratio: 15.79 g/kg Conv temperature: 30.00 C = 86.00 F Cap Strength: 1.54 C Lifted Index: -0.88 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.26 C Lifted Index @700 mb: 1.45 C Showalter Index: 2.52 C Risk: Showers probable Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 18.60 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 213.40 Risk: None Energy Index: -0.33 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 303.66 J/kg Max Up Vert Vel: 24.64 m/s Conv Inhibition (B-): 19.88 J/kg Cap Strength: 1.54 C Lift Cond Lev (LCL): 910.26 mb = 916.52 m = 3006.90 ft Lev Free Conv (LFC): 855.26 mb = 1453.84 m = 4769.75 ft Equ Level (EL): 825.26 mb = 1756.68 m = 5763.31 ft B at Equ Level: 12.11 J/kg Max Parcel Lev (MPL): 745.26 mb = 2618.49 m = 8590.73 ft Wind level data Storm motion: 121 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 1002 74 0 0 -0.0 -0.0 | 301 7 6.4 -3.8 1 1000 91 360 3 -0.0 -3.0 | 317 9 6.4 -6.8 2 976 305 215 6 3.4 4.9 | 264 10 9.8 1.1 3 943 610 50 6 -4.6 -3.9 | 347 8 1.8 -7.7 4 925 778 30 6 -3.0 -5.2 | 340 10 3.4 -9.0 5 910 914 60 8 -6.9 -4.0 | 4 8 -0.6 -7.8 6 879 1219 75 15 -14.5 -3.9 | 46 11 -8.1 -7.7 7 850 1507 80 19 -18.7 -3.3 | 60 14 -12.3 -7.1 8 818 1829 65 11 -10.0 -4.6 | 23 9 -3.6 -8.5 9 789 2134 105 11 -10.6 2.8 | 77 4 -4.3 -1.0 10 708 3048 105 17 -16.4 4.4 | 93 10 -10.1 0.6 11 700 3148 90 12 -12.0 0.0 | 56 7 -5.6 -3.8 12 657 3658 30 3 -1.5 -2.6 | 323 8 4.9 -6.4 13 610 4267 80 6 -5.9 -1.0 | 355 5 0.5 -4.9 14 565 4877 95 11 -11.0 1.0 | 58 5 -4.6 -2.9 15 524 5486 115 10 -9.1 4.2 | 98 3 -2.7 0.4 16 505 5791 115 10 -9.1 4.2 | 98 3 -2.7 0.4 17 500 5870 115 11 -10.0 4.6 | 103 4 -3.6 0.8 18 485 6096 105 8 -7.7 2.1 | 38 2 -1.4 -1.8 19 467 6401 125 8 -6.6 4.6 | 166 1 -0.2 0.8 20 448 6706 95 4 -4.0 0.3 | 326 4 2.4 -3.5 21 431 7010 125 2 -1.6 1.1 | 300 5 4.7 -2.7 22 414 7315 360 1 -0.0 -1.0 | 307 8 6.4 -4.8 23 400 7580 125 6 -4.9 3.4 | 285 2 1.4 -0.4 24 398 7620 95 7 -7.0 0.6 | 11 3 -0.6 -3.2 25 382 7925 160 10 -3.4 9.4 | 208 6 2.9 5.6 26 351 8534 195 14 3.6 13.5 | 226 14 10.0 9.7 27 310 9449 155 21 -8.9 19.0 | 171 15 -2.5 15.2 28 300 9680 170 26 -4.5 25.6 | 185 22 1.8 21.8 29 250 10950 175 24 -2.1 23.9 | 192 21 4.3 20.1 30 227 11582 175 22 -1.9 21.9 | 194 19 4.4 18.1 31 200 12420 195 19 4.9 18.4 | 218 18 11.3 14.5 32 179 13106 220 14 9.0 10.7 | 246 17 15.4 6.9 33 163 13716 250 20 18.8 6.8 | 263 25 25.2 3.0 34 150 14220 245 15 13.6 6.3 | 263 20 20.0 2.5 35 147 14326 235 17 13.9 9.8 | 254 21 20.3 5.9 36 132 14935 260 18 17.7 3.1 | 272 24 24.1 -0.7 37 107 16154 235 20 16.4 11.5 | 251 24 22.7 7.6 38 101 16459 215 22 12.6 18.0 | 233 24 19.0 14.2 39 100 16540 230 20 15.3 12.9 | 247 23 21.7 9.0 40 96 16764 225 20 14.1 14.1 | 243 23 20.5 10.3 41 90 17119 160 24 -8.2 22.6 | 174 19 -1.8 18.7 42 70 18550 25 8 -3.4 -7.3 | 345 11 3.0 -11.1 43 50 20500 85 21 -20.9 -1.8 | 69 16 -14.6 -5.7 Wind Parameters Mean winds (0-6000m): 91.1 at 9.9 knts Storm direction: 121.1 at 7.4 knts Shear (0-3000m) pos: 1.7 neg: 1.3 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 143.9 deg Storm rel helicity (0-3000m) pos: 49.9 neg: -49.0 tot: 0.9 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 11.7 stream: 1.5 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 16.73 Bulk Shear: 18.15 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 ------------------------------------------------------------------------------- 500 188 5 259 7| 6.2 0.0 6.2| 4.1 -23.5 -19.4 -38.8 -0.08| 28.1 -2.2 1000 56 6 352 7| 3.1 2.9 6.0| 21.0 -27.2 -6.2 -6.2 0.09| 20.2 1.8 1500 71 10 22 7| 4.1 1.9 6.0| 38.5 -31.4 7.1 4.7 0.17| 16.5 2.8 2000 73 10 28 8| 1.8 1.5 3.2| 45.2 -46.0 -0.8 -0.4 0.12| 15.5 1.8 2500 81 11 38 7| 2.1 1.2 3.2| 48.5 -46.0 2.5 1.0 0.15| 13.3 2.0 3000 87 12 50 7| 1.7 1.3 3.1| 49.9 -49.0 0.9 0.3 0.13| 11.7 1.5 4000 85 10 39 6| 1.6 1.4 3.0| 54.7 -80.4 -25.7 -6.4 -0.05| 11.3 -0.6 5000 86 10 38 6| 2.0 1.1 3.1| 64.3 -80.4 -16.1 -3.2 0.03| 10.0 0.3 6000 91 10 44 5| 1.7 1.1 2.8| 66.2 -82.3 -16.0 -2.7 0.02| 8.9 0.2 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251207.00.gif