UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for VT381... Searching the city database file for: VT381 ... Date:0000Z 13 DEC 25 Station: VT381 WMO ident: 48381 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 129 0 0 SFC 992 200 25.8 15.8 54 10.0 19.1 0 0 299.6 301.7 292.6 333.1 11.45 2 987 244 24.0 16.0 61 8.0 18.7 356 5 298.3 300.4 292.3 332.2 11.66 3 925 810 21.8 12.8 57 9.0 16.0 40 12 301.6 303.5 292.1 331.4 10.09 4 850 1538 17.2 10.2 63 7.0 12.8 115 4 304.2 305.9 292.2 331.8 9.23 5 738 2731 10.4 4.4 66 6.0 6.9 188 5 309.3 310.6 292.0 331.2 7.12 6 737 2743 10.4 4.4 66 6.0 6.9 189 5 309.4 310.8 292.1 331.3 7.13 7 700 3171 8.4 1.4 61 7.0 4.5 200 5 311.8 312.9 291.9 330.7 6.06 8 654 3731 6.6 -5.4 42 12.0 0.8 199 5 315.9 316.6 291.3 328.4 3.91 9 652 3756 6.4 -3.6 49 10.0 1.4 199 5 315.9 316.8 291.8 330.3 4.50 10 571 4831 0.0 -8.0 55 8.0 -3.7 208 3 320.6 321.3 292.4 332.7 3.67 11 500 5880 -7.3 -10.5 78 3.2 -8.7 180 10 324.1 324.8 293.2 335.6 3.44 12 436 6932 -14.9 -16.0 91 1.1 -15.3 209 18 327.5 328.0 293.3 336.1 2.52 13 431 7019 -16.9 -17.7 93 0.8 -17.1 210 19 326.0 326.4 292.7 333.5 2.21 14 425 7125 -17.1 -17.9 93 0.8 -17.4 212 19 327.0 327.5 293.0 334.6 2.20 15 400 7580 -16.9 -19.4 81 2.5 -17.7 220 21 333.0 333.4 294.4 340.3 2.06 16 386 7847 -15.9 -20.4 68 4.5 -17.4 225 20 337.7 338.1 295.4 344.8 1.96 17 383 7906 -16.1 -22.1 60 6.0 -18.0 225 20 338.2 338.6 295.4 344.4 1.70 18 376 8044 -17.1 -34.1 21 17.0 -20.7 225 20 338.7 338.8 294.6 340.9 0.57 19 369 8185 -18.3 -37.3 17 19.0 -21.9 225 20 338.9 339.0 294.4 340.6 0.42 20 300 9690 -30.5 -47.5 17 17.0 -32.3 225 19 342.4 342.4 295.1 343.1 0.17 21 250 10960 -40.9 -53.9 23 13.0 -41.7 255 29 345.3 345.3 295.7 345.7 0.10 22 200 12440 -53.5 -61.5 37 8.0 -53.7 245 35 348.0 348.1 296.3 348.3 0.05 23 150 14220 -68.3 -76.3 31 8.0 -68.4 210 34 352.4 352.4 297.1 352.5 0.01 24 136 14801 -73.1 -79.1 40 6.0 -73.1 193 36 354.0 354.0 297.5 354.0 0.01 25 111 15979 -77.5 -85.5 26 8.0 -77.5 174 27 366.9 366.9 300.0 366.9 0.00 26 100 16570 -82.3 -88.3 35 6.0 -82.3 165 18 368.7 368.7 300.4 368.7 0.00 27 94 16915 -84.3 -89.0 43 4.7 -84.3 165 19 371.4 371.4 300.8 371.4 0.00 28 93 16974 -84.7 -89.7 41 5.0 -84.7 165 19 371.7 371.7 300.9 371.7 0.00 29 87 17343 -84.3 -90.3 34 6.0 -84.3 195 14 379.7 379.7 302.2 379.7 0.00 30 81 17744 -79.1 -87.1 26 8.0 -79.1 227 8 398.2 398.2 305.0 398.2 0.00 31 76 18105 -81.3 -87.3 35 6.0 -81.3 256 3 400.9 400.9 305.3 400.9 0.00 32 70 18570 -79.3 -86.3 31 7.0 -79.3 45 2 414.7 414.7 307.1 414.7 0.00 33 65 18996 -74.1 -83.1 24 9.0 -74.2 3 4 435.0 435.0 309.4 435.0 0.01 34 50 20540 -69.7 -80.7 19 11.0 -69.8 180 4 479.2 479.2 313.4 479.3 0.01 35 48 20783 -69.7 -80.7 19 11.0 -69.8 158 5 484.9 484.9 313.8 484.9 0.01 36 43 21450 -62.9 -77.9 12 15.0 -63.3 100 7 517.1 517.1 316.1 517.2 0.02 37 34 22899 -61.9 -78.9 9 17.0 -62.5 113 11 555.6 555.6 318.4 555.8 0.02 TRP 93 16974 -84.7 -89.7 41 5.0 -84.7 165 19 371.7 371.7 300.9 371.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5751.00 m Freezing level: 571.00 mb = 4830.71 m = 15848.58 ft Wetbulb zero: 630.02 mb = 4033.55 m = 13233.28 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 59.91 % Est. max temperature: 30.66 C = 87.19 F Sfc-Lift cond lev (LCL): 856.95 mb = 1467.92 m = 4815.96 ft T: 17.64 C 700-500 lapse rate: 5.80 C/km ThetaE index: 2.88 C Layer 700.0- 652.0 mb Conv cond level (CCL): 726.88 mb = 2857.69 m = 9375.51 ft Mean mixing ratio: 10.57 g/kg Conv temperature: 36.19 C = 97.13 F Cap Strength: 4.53 C Lifted Index: 3.11 C Risk: None Lifted Index @300 mb: 8.68 C Lifted Index @700 mb: 3.46 C Showalter Index: 3.11 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 17.50 C K Index: 27.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 140.40 Risk: None Energy Index: 0.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.93 J/kg Max Up Vert Vel: 5.64 m/s Conv Inhibition (B-): 17885.87 J/kg Cap Strength: 4.46 C Lift Cond Lev (LCL): 829.78 mb = 1741.39 m = 5713.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 200 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 ---------------------------------------------------------- 0 992 200 0 0 -0.0 -0.0 | 20 5 -1.7 -4.5 1 980 305 350 13 2.3 -12.8 | 358 17 0.6 -17.3 2 946 610 40 12 -7.7 -9.2 | 34 17 -9.4 -13.7 3 925 810 40 12 -7.7 -9.2 | 34 17 -9.4 -13.7 4 914 914 55 10 -8.2 -5.7 | 44 14 -9.8 -10.2 5 882 1219 75 5 -4.8 -1.3 | 48 9 -6.5 -5.8 6 850 1538 115 4 -3.6 1.7 | 62 6 -5.3 -2.8 7 821 1829 165 6 -1.6 5.8 | 112 3 -3.2 1.3 8 792 2134 155 4 -1.7 3.6 | 75 3 -3.3 -0.9 9 764 2438 150 3 -1.5 2.6 | 59 4 -3.2 -1.9 10 737 2743 190 5 0.9 4.9 | 118 1 -0.8 0.4 11 700 3171 200 5 1.7 4.7 | 198 0 0.1 0.2 12 659 3658 200 5 1.7 4.7 | 198 0 0.1 0.2 13 611 4267 190 6 1.0 5.9 | 156 2 -0.6 1.4 14 566 4877 210 3 1.5 2.6 | 5 2 -0.2 -1.9 15 500 5880 180 10 0.0 10.0 | 163 6 -1.7 5.5 16 486 6096 195 15 3.9 14.5 | 193 10 2.2 10.0 17 400 7580 220 21 13.5 16.1 | 226 17 11.8 11.6 18 398 7620 225 21 14.8 14.8 | 232 17 13.2 10.3 19 323 9144 225 17 12.0 12.0 | 234 13 10.4 7.5 20 300 9690 225 19 13.4 13.4 | 233 15 11.8 8.9 21 261 10668 245 26 23.6 11.0 | 254 23 21.9 6.5 22 250 10960 255 29 28.0 7.5 | 264 27 26.4 3.0 23 208 12192 250 34 31.9 11.6 | 257 31 30.3 7.1 24 200 12440 245 35 31.7 14.8 | 251 32 30.1 10.3 25 163 13716 225 32 22.6 22.6 | 229 28 21.0 18.1 26 150 14220 210 34 17.0 29.4 | 212 29 15.3 24.9 27 126 15240 180 38 0.0 38.0 | 177 34 -1.7 33.5 28 102 16459 170 20 -3.5 19.7 | 161 16 -5.1 15.2 29 100 16570 165 18 -4.7 17.4 | 154 14 -6.3 12.9 30 93 16974 165 19 -4.9 18.4 | 155 15 -6.6 13.8 31 74 18288 270 1 1.0 -0.0 | 8 5 -0.7 -4.5 32 70 18570 45 2 -1.4 -1.4 | 27 7 -3.1 -5.9 33 57 19812 285 8 7.7 -2.1 | 317 9 6.1 -6.6 34 50 20540 180 4 0.0 4.0 | 73 2 -1.7 -0.5 35 42 21336 90 7 -7.0 0.0 | 62 10 -8.7 -4.5 36 31 22860 125 13 -10.6 7.5 | 103 13 -12.3 2.9 Wind Parameters Mean winds (0-6000m): 170.1 at 6.4 knts Storm direction: 200.1 at 4.8 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 177.4 deg Storm rel helicity (0-3000m) pos: 70.7 neg: -10.2 tot: 60.5 m^2/s^2 ave: 20.2 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.41 Bulk Shear: 38.84 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 16 11 17 16| 12.3 0.0 12.3| 47.7 -7.8 39.9 79.8 0.28| 24.0 6.8 1000 33 10 29 15| 2.7 0.0 2.7| 61.3 -7.8 53.5 53.5 0.32| 16.5 5.2 1500 44 8 36 13| 1.8 0.0 1.8| 68.0 -7.8 60.2 40.1 0.37| 13.1 4.8 2000 59 7 44 12| 1.0 0.0 1.0| 69.6 -9.5 60.0 30.0 0.32| 10.8 3.5 2500 70 7 49 10| 1.0 0.0 1.0| 70.5 -10.2 60.3 24.1 0.32| 9.4 3.0 3000 86 6 58 9| 0.9 0.0 0.9| 70.7 -10.2 60.5 20.2 0.33| 8.1 2.6 4000 128 6 84 6| 0.6 0.2 0.8| 70.7 -10.2 60.4 15.1 0.31| 6.2 1.9 5000 154 6 99 4| 0.3 0.3 0.6| 70.7 -10.4 60.2 12.0 0.23| 5.5 1.3 6000 170 6 123 3| 0.9 0.5 1.4| 79.7 -11.3 68.4 11.4 0.23| 5.6 1.3 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20251213.00.gif