UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 27 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 1000 70 30.4 21.4 59 9.0 23.9 290 2 303.5 306.6 297.0 351.8 16.25 1 925 755 23.4 16.4 65 7.0 18.6 355 3 303.2 305.6 294.6 341.2 12.78 2 850 1491 17.2 14.3 83 2.9 15.3 80 5 304.2 306.4 294.4 340.3 12.15 3 700 3135 11.0 -5.0 32 16.0 3.1 5 5 314.7 315.4 290.8 326.7 3.76 4 500 5870 -3.7 -16.7 36 13.0 -8.6 70 9 328.5 328.9 293.2 335.7 2.07 5 400 7600 -13.7 -40.7 8 27.0 -18.7 75 8 337.2 337.2 293.9 338.3 0.27 6 300 9720 -29.7 -54.7 7 25.0 -31.9 25 9 343.5 343.5 295.3 343.8 0.08 7 250 10990 -40.5 -62.5 8 22.0 -41.5 335 11 345.9 345.9 295.7 346.0 0.03 8 200 12470 -52.7 -60.7 37 8.0 -52.9 250 13 349.3 349.3 296.5 349.5 0.05 9 150 14260 -68.3 -76.3 31 8.0 -68.4 215 19 352.4 352.4 297.1 352.5 0.01 10 100 16580 -82.5 -88.5 35 6.0 -82.5 95 17 368.3 368.3 300.2 368.3 0.00 11 86 17421 -84.9 -90.9 33 6.0 -84.9 108 17 379.7 379.7 302.2 379.7 0.00 12 80 17825 -81.7 -90.7 20 9.0 -81.7 114 17 394.2 394.3 304.4 394.3 0.00 13 70 18580 -80.3 -90.3 17 10.0 -80.3 125 17 412.6 412.6 306.8 412.6 0.00 14 68 18743 -81.3 -90.3 20 9.0 -81.3 123 16 413.9 413.9 307.0 413.9 0.00 15 64 19086 -77.5 -89.5 13 12.0 -77.6 118 14 429.4 429.5 308.8 429.5 0.00 16 53 20165 -76.9 -88.9 13 12.0 -77.0 104 9 454.6 454.6 311.3 454.7 0.00 17 50 20500 -75.5 -89.5 9 14.0 -75.6 100 7 465.6 465.6 312.3 465.6 0.00 18 49 20618 -75.7 -89.7 9 14.0 -75.7 100 9 467.8 467.8 312.4 467.8 0.00 19 46 20990 -69.9 -88.9 5 19.0 -70.1 99 15 490.3 490.3 314.2 490.3 0.00 20 39 21975 -70.9 -90.9 4 20.0 -71.1 98 30 511.5 511.5 315.8 511.5 0.00 21 34 22798 -67.5 -91.5 2 24.0 -67.8 96 42 540.9 540.9 317.6 540.9 0.00 22 32 23169 -62.7 -91.7 1 29.0 -63.3 96 48 563.2 563.2 318.8 563.2 0.00 23 30 23570 -60.3 -90.3 1 30.0 -61.2 95 54 580.3 580.3 319.7 580.3 0.00 24 27 24230 -56.7 -91.7 0 35.0 -58.2 94 55 608.1 608.1 321.0 608.1 0.00 25 21 25835 -52.1 -88.1 1 36.0 -54.9 91 58 667.3 667.3 323.3 667.4 0.01 26 20 26150 -52.4 -88.4 1 36.0 -55.2 90 59 675.8 675.8 323.6 675.9 0.01 27 19 26482 -52.7 -88.7 1 36.0 -55.6 77 58 684.8 684.8 323.9 684.9 0.01 28 17 27201 -51.9 -87.9 1 36.0 -55.2 49 57 709.5 709.5 324.7 709.6 0.01 29 15 28030 -42.1 -80.1 1 38.0 -49.5 17 55 768.0 768.0 326.4 768.4 0.04 30 12 29530 -45.3 -83.3 1 38.0 -52.1 321 52 807.2 807.3 327.4 807.5 0.03 31 11 30114 -42.7 -80.7 1 38.0 -51.1 299 51 837.0 837.1 328.1 837.5 0.05 32 10 30750 -48.3 -85.3 1 37.0 -54.5 275 50 839.3 839.3 328.1 839.5 0.03 33 9.9 30816 -48.7 -85.7 1 37.0 -54.8 840.2 840.2 328.2 840.4 0.03 34 9.4 31158 -47.1 -84.1 1 37.0 -54.1 858.8 858.8 328.6 859.1 0.04 35 9.0 31445 -48.7 -85.7 1 37.0 -55.1 275 51 863.4 863.4 328.7 863.7 0.03 36 8.7 31669 -47.3 -84.3 1 37.0 -54.5 877.2 877.3 329.0 877.6 0.04 37 7.2 32938 -40.9 952.3 TRP 9.0 31445 -48.7 -85.7 1 37.0 -55.1 275 51 863.4 863.4 328.7 863.7 0.03 WND 20 26150 -52.4 -88.4 1 36.0 -55.2 90 59 675.8 675.8 323.6 675.9 0.01 Sounding variables and indices 1000-500 mb thick: 5800.18 m Freezing level: 550.34 mb = 5181.60 m = 16999.79 ft Wetbulb zero: 646.66 mb = 3779.23 m = 12398.88 ft Precipitable water: 1.56 inches Sfc-500 mean rel hum: 48.56 % Est. max temperature: 31.01 C = 87.83 F Sfc-Lift cond lev (LCL): 878.07 mb = 1208.24 m = 3963.99 ft T: 19.58 C 700-500 lapse rate: 5.37 C/km ThetaE index: 25.08 C Layer 925.0- 500.0 mb Conv cond level (CCL): 815.43 mb = 1842.58 m = 6045.12 ft Mean mixing ratio: 14.04 g/kg Conv temperature: 33.24 C = 91.84 F Cap Strength: 1.78 C Lifted Index: 1.08 C Risk: Showers probable Lifted Index @300 mb: 1.39 C Lifted Index @700 mb: 1.78 C Showalter Index: 2.96 C Risk: Showers probable Total Totals Index: 38.90 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 18.00 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 190.60 Risk: None Energy Index: -0.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 43319.83 J/kg Cap Strength: 1.77 C Lift Cond Lev (LCL): 851.10 mb = 1479.77 m = 4854.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 90 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 70 290 2 1.9 -0.7 | 276 7 6.5 -0.6 1 974 305 255 6 5.8 1.6 | 261 11 10.4 1.6 2 940 610 310 4 3.1 -2.6 | 288 8 7.7 -2.5 3 925 755 355 3 0.3 -3.0 | 301 6 4.9 -2.9 4 908 914 20 4 -1.4 -3.8 | 319 5 3.2 -3.7 5 850 1491 80 5 -4.9 -0.9 | 22 1 -0.3 -0.8 6 847 1524 80 4 -3.9 -0.7 | 315 1 0.7 -0.7 7 817 1829 60 4 -3.5 -2.0 | 330 2 1.1 -2.0 8 788 2134 115 1 -0.9 0.4 | 263 4 3.7 0.5 9 760 2438 20 7 -2.4 -6.6 | 341 7 2.2 -6.5 10 700 3135 5 5 -0.4 -5.0 | 320 6 4.2 -4.9 11 681 3353 35 1 -0.6 -0.8 | 281 4 4.0 -0.8 12 656 3658 165 5 -1.3 4.8 | 214 6 3.3 4.9 13 632 3962 185 7 0.6 7.0 | 217 9 5.2 7.0 14 609 4267 115 6 -5.4 2.5 | 162 3 -0.8 2.6 15 587 4572 80 9 -8.9 -1.6 | 70 5 -4.3 -1.5 16 565 4877 90 5 -5.0 0.0 | 95 0 -0.4 0.0 17 544 5182 60 16 -13.9 -8.0 | 49 12 -9.3 -8.0 18 524 5486 35 11 -6.3 -9.0 | 11 9 -1.7 -9.0 19 505 5791 65 9 -8.2 -3.8 | 43 5 -3.6 -3.8 20 500 5870 70 9 -8.5 -3.1 | 52 5 -3.9 -3.0 21 486 6096 70 10 -9.4 -3.4 | 55 6 -4.8 -3.4 22 467 6401 10 7 -1.2 -6.9 | 334 8 3.4 -6.9 23 449 6706 10 7 -1.2 -6.9 | 334 8 3.4 -6.9 24 415 7315 105 11 -10.6 2.8 | 116 7 -6.0 2.9 25 400 7600 75 8 -7.7 -2.1 | 57 4 -3.1 -2.0 26 399 7620 75 7 -6.8 -1.8 | 51 3 -2.2 -1.8 27 352 8534 125 8 -6.6 4.6 | 157 5 -2.0 4.6 28 338 8839 35 6 -3.4 -4.9 | 347 5 1.1 -4.9 29 300 9720 25 9 -3.8 -8.2 | 354 8 0.8 -8.1 30 299 9754 40 9 -5.8 -6.9 | 10 7 -1.2 -6.9 31 274 10363 360 21 -0.0 -21.0 | 348 21 4.6 -21.0 32 262 10668 360 47 -0.0 -47.0 | 354 47 4.6 -47.0 33 250 10990 335 11 4.6 -10.0 | 317 14 9.2 -9.9 34 239 11278 335 11 4.6 -10.0 | 317 14 9.2 -9.9 35 200 12470 250 13 12.2 4.4 | 255 17 16.8 4.5 36 199 12497 255 12 11.6 3.1 | 259 16 16.2 3.1 37 164 13716 235 16 13.1 9.2 | 242 20 17.7 9.2 38 150 14260 215 19 10.9 15.6 | 225 22 15.5 15.6 39 141 14630 210 20 10.0 17.3 | 220 23 14.6 17.4 40 133 14935 205 22 9.3 19.9 | 215 24 13.9 20.0 41 102 16459 85 12 -12.0 -1.0 | 82 7 -7.4 -1.0 42 100 16580 95 17 -16.9 1.5 | 97 12 -12.3 1.5 43 70 18580 125 17 -13.9 9.8 | 136 14 -9.3 9.8 44 50 20500 100 7 -6.9 1.2 | 119 3 -2.3 1.3 45 30 23570 95 54 -53.8 4.7 | 96 49 -49.2 4.7 46 20 26150 90 59 -59.0 0.0 | 90 54 -54.4 0.0 47 10 30750 275 50 49.8 -4.4 | 275 55 54.4 -4.3 Wind Parameters Mean winds (0-6000m): 59.5 at 6.1 knts Storm direction: 89.5 at 4.6 knts Shear (0-3000m) pos: 0.6 neg: 1.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 46.2 deg Storm rel helicity (0-3000m) pos: 18.9 neg: -10.2 tot: 8.7 m^2/s^2 ave: 2.9 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 14.18 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 ------------------------------------------------------------------------------- 500 270 5 270 9| 2.4 0.0 2.4| 8.8 -3.8 5.0 10.0 0.23| 8.1 1.9 1000 306 4 287 8| 2.7 0.0 2.7| 15.8 -3.8 12.0 12.0 0.43| 7.4 3.2 1500 354 4 310 7| 2.0 0.0 2.0| 17.0 -4.0 12.9 8.6 0.37| 6.4 2.4 2000 25 4 322 5| 0.9 0.0 0.9| 17.0 -5.2 11.8 5.9 0.21| 5.9 1.2 2500 25 4 322 5| 0.7 1.4 2.1| 18.9 -7.1 11.9 4.8 0.23| 6.5 1.5 3000 20 4 324 5| 0.6 1.0 1.6| 18.9 -10.2 8.7 2.9 0.17| 5.8 1.0 4000 33 4 330 4| 1.7 0.7 2.5| 19.5 -19.7 -0.2 -0.1 -0.05| 6.6 -0.3 5000 64 5 358 2| 1.4 1.8 3.2| 19.9 -29.2 -9.2 -1.8 -0.16| 7.5 -1.2 6000 60 6 13 3| 1.6 1.7 3.3| 28.0 -52.6 -24.5 -4.1 -0.17| 7.9 -1.3 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251227.12.gif