UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for VT381... Searching the city database file for: VT381 ... Date:0000Z 11 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 130 300 2 SFC 992 200 25.0 14.0 50 11.0 17.8 300 2 298.8 300.7 291.3 328.6 10.17 2 978 324 23.4 12.4 50 11.0 16.4 88 7 298.4 300.1 290.5 325.6 9.28 3 925 807 20.4 10.4 53 10.0 14.2 55 8 300.2 301.7 290.4 325.5 8.59 4 850 1533 16.6 8.6 59 8.0 11.7 75 15 303.5 305.1 291.2 328.3 8.27 5 781 2250 12.8 6.8 67 6.0 9.2 119 17 306.9 308.4 292.0 331.0 7.96 6 721 2919 10.6 4.6 66 6.0 7.1 146 14 311.6 313.0 292.9 334.5 7.40 7 700 3165 8.6 2.6 66 6.0 5.2 155 13 312.0 313.3 292.4 332.6 6.61 8 579 4711 -1.3 -4.0 82 2.7 -2.6 169 17 317.8 318.8 292.7 333.6 4.92 9 578 4725 -1.3 -4.1 81 2.8 -2.7 170 17 318.0 318.9 292.7 333.7 4.89 10 564 4921 0.6 -9.4 47 10.0 -3.9 175 17 322.5 323.1 292.7 333.5 3.32 11 500 5880 -5.7 -11.7 63 6.0 -8.2 175 17 326.1 326.7 293.4 336.6 3.12 12 406 7478 -16.1 -22.1 60 6.0 -17.9 147 16 332.6 333.0 293.9 338.3 1.60 13 405 7497 -16.1 -22.1 60 6.0 -17.9 147 16 332.9 333.2 294.0 338.6 1.61 14 400 7590 -15.9 -24.9 46 9.0 -18.4 145 16 334.3 334.6 294.0 338.9 1.27 15 363 8319 -18.9 -36.9 19 18.0 -22.3 174 12 339.7 339.8 294.7 341.5 0.44 16 360 8380 -19.5 -36.5 21 17.0 -22.7 177 12 339.7 339.8 294.7 341.5 0.47 17 300 9710 -29.7 -44.7 22 15.0 -31.4 230 10 343.5 343.6 295.4 344.5 0.24 18 250 10980 -40.1 -56.1 16 16.0 -41.0 240 16 346.4 346.5 295.9 346.8 0.08 19 208 12206 -50.3 -65.3 15 15.0 -50.7 195 22 349.2 349.2 296.5 349.3 0.03 20 200 12460 -52.9 -64.9 22 12.0 -53.2 185 26 349.0 349.0 296.4 349.1 0.03 21 164 13708 -63.9 -69.9 44 6.0 -64.0 190 29 350.9 350.9 296.8 351.0 0.02 22 150 14250 -67.9 -74.9 36 7.0 -67.9 190 26 353.1 353.1 297.3 353.2 0.01 23 122 15465 -76.9 -81.9 45 5.0 -76.9 180 22 358.2 358.2 298.4 358.2 0.00 24 114 15851 -79.9 -86.9 30 7.0 -79.9 190 17 359.6 359.6 298.6 359.6 0.00 25 112 15952 -78.5 -85.5 31 7.0 -78.5 192 15 364.1 364.1 299.5 364.1 0.00 26 107 16211 -80.5 -88.5 25 8.0 -80.5 199 12 365.1 365.1 299.7 365.1 0.00 27 100 16590 -83.1 -88.1 41 5.0 -83.1 210 7 367.2 367.2 300.1 367.2 0.00 28 96 16817 -84.1 -88.4 47 4.3 -84.1 177 7 369.5 369.5 300.5 369.5 0.00 29 94 16934 -84.9 -89.6 43 4.7 -84.9 160 7 370.2 370.2 300.6 370.2 0.00 30 88 17299 -84.9 -90.9 33 6.0 -84.9 201 6 377.2 377.2 301.8 377.2 0.00 31 83 17626 -80.3 -88.3 25 8.0 -80.3 237 5 393.0 393.0 304.2 393.0 0.00 32 82 17695 -79.5 -87.5 25 8.0 -79.5 245 5 396.0 396.0 304.6 396.0 0.00 33 73 18352 -81.9 -87.9 35 6.0 -81.9 312 5 404.3 404.3 305.7 404.3 0.00 34 70 18590 -78.7 -85.7 31 7.0 -78.7 320 8 416.0 416.0 307.3 416.0 0.00 35 62 19283 -76.7 -85.7 23 9.0 -76.7 6 6 435.1 435.1 309.4 435.2 0.00 36 61 19377 -73.5 -82.5 24 9.0 -73.6 12 5 444.3 444.3 310.3 444.3 0.01 37 53 20202 -71.1 -82.1 18 11.0 -71.2 67 6 468.1 468.1 312.5 468.1 0.01 38 51 20431 -67.5 -79.5 17 12.0 -67.7 82 7 481.7 481.7 313.6 481.8 0.01 39 50 20550 -68.7 -80.7 16 12.0 -68.9 90 8 481.6 481.6 313.6 481.7 0.01 40 49 20671 -68.9 -80.9 16 12.0 -69.1 94 8 483.9 483.9 313.8 484.0 0.01 41 36 22556 -59.9 -76.9 9 17.0 -60.6 125 12 551.8 551.8 318.2 552.0 0.03 42 33 23099 -60.5 -77.5 9 17.0 -61.2 128 13 564.1 564.1 318.9 564.3 0.03 TRP 94 16934 -84.9 -89.6 43 4.7 -84.9 160 7 370.2 370.2 300.6 370.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5750.00 m Freezing level: 594.89 mb = 4507.91 m = 14789.56 ft Freezing level: 568.42 mb = 4859.36 m = 15942.59 ft Freezing level: 557.90 mb = 5012.78 m = 16445.94 ft Wetbulb zero: 619.33 mb = 4162.41 m = 13656.02 ft Precipitable water: 1.46 inches Sfc-500 mean rel hum: 63.12 % Est. max temperature: 30.06 C = 86.12 F Sfc-Lift cond lev (LCL): 844.10 mb = 1592.01 m = 5223.08 ft T: 16.29 C 700-500 lapse rate: 5.27 C/km ThetaE index: 3.08 C Layer 978.0- 850.0 mb Conv cond level (CCL): 667.39 mb = 3553.64 m = 11658.80 ft Mean mixing ratio: 8.90 g/kg Conv temperature: 39.63 C = 103.33 F Cap Strength: 7.79 C Lifted Index: 7.52 C Risk: None Lifted Index @300 mb: 13.23 C Lifted Index @700 mb: 5.77 C Showalter Index: 6.35 C Risk: None Total Totals Index: 36.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 14.30 C K Index: 24.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 150.20 Risk: None Energy Index: 1.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.83 J/kg Max Up Vert Vel: 4.86 m/s Conv Inhibition (B-): 21236.89 J/kg Cap Strength: 7.75 C Lift Cond Lev (LCL): 808.54 mb = 1956.35 m = 6418.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 171 at 11 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 ---------------------------------------------------------- 0 992 200 300 2 1.7 -1.0 | 344 12 3.4 -12.0 1 980 305 90 7 -7.0 0.0 | 26 12 -5.4 -11.0 2 946 610 55 8 -6.6 -4.6 | 17 16 -4.9 -15.6 3 925 807 55 8 -6.6 -4.6 | 17 16 -4.9 -15.6 4 914 914 60 12 -10.4 -6.0 | 27 19 -8.7 -17.0 5 882 1219 80 17 -16.7 -3.0 | 47 21 -15.1 -14.0 6 850 1533 75 15 -14.5 -3.9 | 41 20 -12.8 -14.9 7 821 1829 85 13 -13.0 -1.1 | 43 17 -11.3 -12.1 8 791 2134 115 17 -15.4 7.2 | 74 14 -13.8 -3.8 9 763 2438 125 18 -14.7 10.3 | 87 13 -13.1 -0.7 10 736 2743 140 15 -9.6 11.5 | 93 8 -8.0 0.5 11 700 3165 155 13 -5.5 11.8 | 101 4 -3.8 0.8 12 659 3658 160 15 -5.1 14.1 | 132 5 -3.5 3.1 13 611 4267 155 16 -6.8 14.5 | 124 6 -5.1 3.5 14 566 4877 175 17 -1.5 16.9 | 182 6 0.2 5.9 15 500 5880 175 17 -1.5 16.9 | 182 6 0.2 5.9 16 486 6096 175 17 -1.5 16.9 | 182 6 0.2 5.9 17 400 7590 145 16 -9.2 13.1 | 106 8 -7.5 2.1 18 398 7620 140 16 -10.3 12.3 | 98 9 -8.6 1.2 19 324 9144 215 8 4.6 6.6 | 306 8 6.2 -4.5 20 300 9710 230 10 7.7 6.4 | 296 10 9.3 -4.6 21 261 10668 235 13 10.6 7.5 | 286 13 12.3 -3.6 22 250 10980 240 16 13.9 8.0 | 281 16 15.5 -3.0 23 208 12192 195 22 5.7 21.3 | 216 13 7.3 10.2 24 200 12460 185 26 2.3 25.9 | 195 15 3.9 14.9 25 163 13716 190 29 5.0 28.6 | 201 19 6.7 17.5 26 150 14250 190 26 4.5 25.6 | 203 16 6.2 14.6 27 126 15240 175 24 -2.1 23.9 | 178 13 -0.4 12.9 28 102 16459 205 9 3.8 8.2 | 298 6 5.5 -2.9 29 100 16590 210 7 3.5 6.1 | 314 7 5.1 -4.9 30 94 16934 160 7 -2.4 6.6 | 10 4 -0.7 -4.4 31 74 18288 310 4 3.1 -2.6 | 341 14 4.7 -13.6 32 70 18590 320 8 5.1 -6.1 | 338 18 6.8 -17.1 33 57 19812 40 4 -2.6 -3.1 | 4 14 -0.9 -14.1 34 50 20550 90 8 -8.0 0.0 | 30 13 -6.4 -11.0 35 42 21336 120 11 -9.5 5.5 | 55 10 -7.9 -5.5 36 30 22860 130 13 -10.0 8.4 | 72 9 -8.3 -2.7 Wind Parameters Mean winds (0-6000m): 141.5 at 14.8 knts Storm direction: 171.5 at 11.1 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 119.5 deg Storm rel helicity (0-3000m) pos: 128.1 neg: -15.2 tot: 112.9 m^2/s^2 ave: 37.6 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 27.64 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 68 7 20 14| 9.3 0.0 9.3| 27.2 -6.9 20.3 40.7 0.56| 13.1 7.3 1000 67 10 26 16| 9.4 0.0 9.4| 75.2 -6.9 68.4 68.4 0.71| 12.0 8.5 1500 72 12 33 17| 5.3 0.0 5.3| 76.5 -15.2 61.3 40.8 0.56| 9.3 5.2 2000 80 12 39 17| 4.9 0.0 4.9|114.7 -15.2 99.5 49.7 0.65| 9.7 6.3 2500 92 13 48 16| 3.6 0.0 3.6|126.4 -15.2 111.1 44.4 0.63| 9.2 5.8 3000 102 13 54 14| 2.5 0.0 2.5|128.1 -15.2 112.9 37.6 0.59| 8.5 5.0 4000 118 14 67 11| 2.1 0.2 2.3|130.4 -16.0 114.4 28.6 0.58| 6.8 3.9 5000 131 14 81 9| 1.8 0.1 2.0|139.0 -16.0 122.9 24.6 0.62| 6.1 3.7 6000 141 15 95 8| 1.5 0.2 1.7|139.0 -17.0 122.0 20.3 0.60| 5.1 3.1 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20251211.00.gif