UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122800.upa.cvt Date: 0000Z 28 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 28 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 76 23.2 21.6 91 1.6 22.1 0 0 296.2 299.1 295.1 343.5 16.42 1 1000 93 23.2 20.4 84 2.8 21.2 10 2 296.4 299.1 294.4 340.3 15.26 2 925 773 20.6 18.4 87 2.2 19.1 85 2 300.4 303.0 295.0 343.0 14.55 3 850 1501 16.2 11.7 75 4.5 13.3 150 5 303.1 305.0 292.7 333.5 10.21 4 700 3129 10.2 -5.8 32 16.0 2.5 70 2 313.8 314.5 290.3 325.1 3.54 5 500 5860 -4.3 -18.3 33 14.0 -9.4 65 12 327.8 328.2 292.8 334.1 1.81 6 400 7590 -13.9 -37.9 11 24.0 -18.7 50 8 336.9 337.0 293.9 338.3 0.36 7 300 9710 -30.5 -52.5 10 22.0 -32.4 25 7 342.4 342.4 295.0 342.8 0.10 8 250 10980 -40.1 -58.1 13 18.0 -41.1 290 15 346.4 346.5 295.9 346.7 0.06 9 200 12460 -52.5 -68.5 13 16.0 -52.8 300 14 349.6 349.6 296.5 349.7 0.02 10 150 14250 -67.9 -75.9 31 8.0 -67.9 200 2 353.1 353.1 297.3 353.2 0.01 11 100 16580 -83.9 -89.9 34 6.0 -83.9 100 16 365.6 365.6 299.8 365.6 0.00 12 93 16981 -84.9 -90.9 33 6.0 -84.9 371.3 371.3 300.8 371.3 0.00 13 91 17101 -85.5 -90.5 40 5.0 -85.5 372.4 372.4 301.0 372.5 0.00 14 89 17223 -85.9 -90.9 40 5.0 -85.9 374.0 374.0 301.2 374.0 0.00 15 89 17223 -85.5 -91.5 33 6.0 -85.5 374.8 374.8 301.4 374.8 0.00 16 88 17285 -85.3 -91.3 33 6.0 -85.3 376.4 376.4 301.6 376.4 0.00 17 88 17285 -82.1 -89.1 29 7.0 -82.1 382.8 382.8 302.7 382.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5767.00 m Freezing level: 559.31 mb = 5050.12 m = 16568.42 ft Wetbulb zero: 658.08 mb = 3630.21 m = 11909.98 ft Precipitable water: 1.49 inches Sfc-500 mean rel hum: 50.21 % Est. max temperature: 30.06 C = 86.12 F Sfc-Lift cond lev (LCL): 979.20 mb = 276.32 m = 906.55 ft T: 22.50 C 700-500 lapse rate: 5.31 C/km ThetaE index: 17.90 C Layer 850.0- 500.0 mb Conv cond level (CCL): 873.73 mb = 1263.93 m = 4146.71 ft Mean mixing ratio: 14.66 g/kg Conv temperature: 29.25 C = 84.66 F Cap Strength: 2.04 C Lifted Index: 1.80 C Risk: Showers probable Lifted Index @300 mb: 2.59 C Lifted Index @700 mb: 2.04 C Showalter Index: 5.29 C Risk: None Total Totals Index: 36.50 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 16.00 C K Index: 16.20 Risk: < 20 % chance of thunderstorms Sweat Index: 162.40 Risk: None Energy Index: 0.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.08 J/kg Max Up Vert Vel: 5.31 m/s Conv Inhibition (B-): 2863.31 J/kg Cap Strength: 2.02 C Lift Cond Lev (LCL): 916.92 mb = 848.51 m = 2783.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 141 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 1002 76 0 0 -0.0 -0.0 | 321 5 3.4 -4.2 1 1000 93 10 2 -0.3 -2.0 | 334 7 3.1 -6.2 2 976 305 0 1 -0.0 -1.0 | 327 6 3.4 -5.2 3 942 610 245 1 0.9 0.4 | 311 6 4.3 -3.8 4 925 773 85 2 -2.0 -0.2 | 342 5 1.4 -4.4 5 910 914 95 2 -2.0 0.2 | 341 4 1.4 -4.1 6 878 1219 85 7 -7.0 -0.6 | 36 6 -3.6 -4.8 7 850 1501 150 5 -2.5 4.3 | 264 1 0.9 0.1 8 848 1524 150 5 -2.5 4.3 | 264 1 0.9 0.1 9 817 1829 145 7 -4.0 5.7 | 158 2 -0.6 1.5 10 788 2134 205 4 1.7 3.6 | 277 5 5.1 -0.6 11 733 2743 200 5 1.7 4.7 | 265 5 5.1 0.5 12 707 3048 0 1 -0.0 -1.0 | 327 6 3.4 -5.2 13 700 3129 70 2 -1.9 -0.7 | 343 5 1.5 -4.9 14 681 3353 100 5 -4.9 0.9 | 24 4 -1.5 -3.4 15 656 3658 160 3 -1.0 2.8 | 301 3 2.4 -1.4 16 632 3962 165 11 -2.8 10.6 | 185 6 0.6 6.4 17 608 4267 125 6 -4.9 3.4 | 62 2 -1.5 -0.8 18 564 4877 110 16 -15.0 5.5 | 96 12 -11.6 1.2 19 544 5182 100 19 -18.7 3.3 | 87 15 -15.3 -0.9 20 524 5486 65 14 -12.7 -5.9 | 42 14 -9.3 -10.1 21 500 5860 65 12 -10.9 -5.1 | 39 12 -7.5 -9.3 22 448 6706 80 13 -12.8 -2.3 | 55 11 -9.4 -6.5 23 414 7315 60 10 -8.7 -5.0 | 30 11 -5.3 -9.2 24 400 7590 50 8 -6.1 -5.1 | 16 10 -2.7 -9.4 25 382 7925 30 7 -3.5 -6.1 | 1 10 -0.1 -10.3 26 367 8230 60 6 -5.2 -3.0 | 14 7 -1.8 -7.2 27 352 8534 25 8 -3.4 -7.3 | 360 11 0.0 -11.5 28 338 8839 40 12 -7.7 -9.2 | 18 14 -4.3 -13.4 29 324 9144 15 10 -2.6 -9.7 | 357 14 0.8 -13.9 30 311 9449 45 9 -6.4 -6.4 | 16 11 -3.0 -10.6 31 300 9710 25 7 -3.0 -6.3 | 358 11 0.4 -10.6 32 298 9754 20 8 -2.7 -7.5 | 357 12 0.7 -11.7 33 285 10058 15 7 -1.8 -6.8 | 352 11 1.6 -11.0 34 273 10363 320 8 5.1 -6.1 | 320 13 8.5 -10.4 35 250 10973 295 13 11.8 -5.5 | 303 18 15.2 -9.7 36 250 10980 290 15 14.1 -5.1 | 298 20 17.5 -9.4 37 200 12460 300 14 12.1 -7.0 | 306 19 15.5 -11.2 38 199 12497 310 16 12.3 -10.3 | 313 21 15.7 -14.5 39 189 12802 295 15 13.6 -6.3 | 302 20 17.0 -10.6 40 172 13411 300 11 9.5 -5.5 | 307 16 12.9 -9.7 41 163 13716 295 7 6.3 -3.0 | 306 12 9.8 -7.2 42 156 14021 220 4 2.6 3.1 | 281 6 6.0 -1.2 43 150 14250 200 2 0.7 1.9 | 300 5 4.1 -2.3 44 148 14326 190 5 0.9 4.9 | 261 4 4.3 0.7 45 140 14630 225 2 1.4 1.4 | 300 6 4.8 -2.8 46 133 14935 165 4 -1.0 3.9 | 279 2 2.4 -0.4 47 126 15240 155 11 -4.6 10.0 | 168 6 -1.2 5.7 48 120 15545 125 17 -13.9 9.8 | 118 12 -10.5 5.5 49 114 15850 75 6 -5.8 -1.6 | 22 6 -2.4 -5.8 50 108 16154 15 11 -2.8 -10.6 | 358 15 0.6 -14.9 51 100 16580 100 16 -15.8 2.8 | 83 12 -12.3 -1.4 52 97 16764 100 13 -12.8 2.3 | 78 10 -9.4 -2.0 Wind Parameters Mean winds (0-6000m): 111.1 at 7.2 knts Storm direction: 141.1 at 5.4 knts Shear (0-3000m) pos: 1.3 neg: 1.5 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 11.2 deg Storm rel helicity (0-3000m) pos: 29.1 neg: -5.5 tot: 23.6 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.68 Bulk Shear: 8.40 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 1 326 7| 0.0 1.0 1.0| 1.6 -3.4 -1.8 -3.6 -0.26| 4.0 -1.0 1000 65 2 339 5| 0.0 2.4 2.4| 7.4 -3.9 3.5 3.5 0.35| 5.6 2.0 1500 97 3 355 4| 1.7 1.6 3.3| 10.9 -4.0 6.9 4.6 0.17| 7.0 1.2 2000 124 4 353 2| 1.9 1.2 3.1| 13.6 -4.3 9.3 4.7 0.24| 7.0 1.7 2500 144 4 314 2| 1.6 1.0 2.6| 14.6 -5.3 9.3 3.7 0.23| 5.9 1.4 3000 154 4 294 2| 1.3 1.5 2.9| 29.1 -5.5 23.6 7.9 0.38| 6.6 2.5 4000 150 4 294 1| 1.8 1.1 2.9| 34.2 -13.1 21.1 5.3 0.14| 7.5 1.1 5000 133 6 68 1| 1.4 2.3 3.7| 35.6 -21.0 14.6 2.9 0.06| 7.8 0.4 6000 111 7 64 4| 1.3 2.1 3.4| 38.1 -69.1 -31.0 -5.2 -0.08| 7.8 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251228.00.gif