UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for VT381... Searching the city database file for: VT381 ... Date:0000Z 12 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 135 300 2 SFC 993 197 24.8 14.8 54 10.0 18.2 300 2 298.5 300.5 291.6 329.8 10.71 2 992 205 22.4 13.4 57 9.0 16.7 310 3 296.2 298.0 290.1 324.5 9.78 3 990 223 22.0 14.0 60 8.0 16.8 330 4 296.0 297.8 290.4 325.4 10.20 4 966 436 22.4 13.4 57 9.0 16.6 69 9 298.5 300.3 291.1 327.8 10.05 5 925 811 18.8 11.8 64 7.0 14.4 75 8 298.5 300.2 290.6 326.1 9.44 6 900 1046 17.2 11.2 68 6.0 13.4 90 12 299.2 300.9 290.7 326.5 9.32 7 850 1534 16.0 10.0 68 6.0 12.3 95 5 302.9 304.6 291.7 330.0 9.11 8 827 1768 15.8 8.8 63 7.0 11.5 150 8 305.1 306.7 292.0 331.0 8.63 9 786 2198 12.8 7.8 72 5.0 9.7 163 10 306.3 307.9 292.3 332.0 8.48 10 700 3165 8.0 3.0 71 5.0 5.2 180 5 311.3 312.6 292.4 332.4 6.80 11 665 3587 6.8 -0.2 61 7.0 3.1 180 7 314.6 315.7 292.4 332.5 5.68 12 624 4105 2.0 -2.9 70 4.9 -0.4 162 10 314.9 315.8 291.9 330.6 4.95 13 619 4170 3.4 -4.6 56 8.0 -0.5 160 10 317.2 318.1 292.1 331.3 4.39 14 607 4328 2.8 -6.2 52 9.0 -1.5 156 11 318.3 319.1 292.0 331.2 3.96 15 579 4708 0.0 -6.0 64 6.0 -2.9 165 11 319.4 320.2 292.6 333.1 4.22 16 539 5279 -2.3 -11.3 50 9.0 -6.1 176 11 323.2 323.8 292.6 333.2 2.99 17 500 5870 -7.1 -14.1 57 7.0 -9.8 185 10 324.4 324.9 292.6 333.1 2.57 18 497 5917 -7.7 -14.7 57 7.0 -10.4 193 10 324.2 324.7 292.4 332.5 2.46 19 480 6188 -9.5 -17.5 52 8.0 -12.3 227 10 325.2 325.6 292.3 332.1 2.02 20 460 6518 -9.3 -27.3 22 18.0 -14.2 233 11 329.5 329.6 292.4 332.7 0.89 21 455 6603 -9.5 -26.5 24 17.0 -14.2 235 11 330.2 330.4 292.7 333.7 0.96 22 400 7590 -15.9 -30.9 26 15.0 -19.4 255 14 334.3 334.5 293.6 337.0 0.73 23 365 8274 -19.3 -38.3 17 19.0 -22.7 248 15 338.7 338.7 294.4 340.2 0.38 24 330 9015 -24.5 -45.5 12 21.0 -27.2 245 17 341.4 341.5 294.8 342.2 0.20 25 300 9700 -30.5 -45.5 22 15.0 -32.1 250 18 342.4 342.4 295.1 343.3 0.22 26 250 10960 -41.3 -54.3 23 13.0 -42.1 230 24 344.7 344.7 295.5 345.1 0.10 27 200 12440 -53.7 -63.7 28 10.0 -53.9 235 28 347.7 347.7 296.1 347.9 0.04 28 185 12937 -58.1 -66.1 35 8.0 -58.2 231 29 348.4 348.4 296.3 348.6 0.03 29 150 14230 -67.5 -76.5 27 9.0 -67.5 195 31 353.8 353.8 297.4 353.8 0.01 30 123 15400 -74.9 -83.9 23 9.0 -74.9 170 15 361.0 361.0 298.9 361.0 0.00 31 102 16460 -83.7 -87.7 49 4.0 -83.7 170 3 363.9 363.9 299.5 364.0 0.00 32 100 16570 -83.9 -87.3 55 3.4 -83.9 150 3 365.6 365.6 299.8 365.6 0.00 33 92 17032 -84.5 -87.7 57 3.2 -84.5 93 8 373.3 373.3 301.1 373.3 0.00 34 89 17214 -85.7 -89.6 49 3.9 -85.7 70 10 374.4 374.4 301.4 374.4 0.00 35 85 17469 -81.9 -86.9 42 5.0 -81.9 83 10 387.1 387.1 303.3 387.1 0.00 36 75 18170 -82.3 -86.5 48 4.2 -82.3 119 12 400.3 400.3 305.2 400.3 0.00 37 70 18560 -78.3 -83.3 44 5.0 -78.3 105 2 416.9 416.9 307.3 416.9 0.01 38 63 19170 -72.5 -80.5 29 8.0 -72.6 25 5 442.4 442.4 310.1 442.5 0.01 39 50 20550 -65.9 -77.9 17 12.0 -66.1 335 4 488.2 488.2 314.1 488.3 0.02 40 38 22218 -65.3 -78.3 15 13.0 -65.6 529.6 529.6 316.9 529.7 0.02 TRP 89 17214 -85.7 -89.6 49 3.9 -85.7 70 10 374.4 374.4 301.4 374.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5735.00 m Freezing level: 579.00 mb = 4708.28 m = 15446.91 ft Wetbulb zero: 629.24 mb = 4036.64 m = 13243.40 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 63.09 % Est. max temperature: 29.80 C = 85.64 F Sfc-Lift cond lev (LCL): 857.49 mb = 1459.15 m = 4787.17 ft T: 16.18 C 700-500 lapse rate: 5.58 C/km ThetaE index: 5.27 C Layer 992.0- 990.0 mb Conv cond level (CCL): 701.68 mb = 3145.00 m = 10318.11 ft Mean mixing ratio: 9.71 g/kg Conv temperature: 37.47 C = 99.44 F Cap Strength: 6.76 C Lifted Index: 5.77 C Risk: None Lifted Index @300 mb: 11.96 C Lifted Index @700 mb: 4.93 C Showalter Index: 4.13 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 17.10 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 140.00 Risk: None Energy Index: 0.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.22 J/kg Max Up Vert Vel: 4.29 m/s Conv Inhibition (B-): 19363.89 J/kg Cap Strength: 6.68 C Lift Cond Lev (LCL): 841.56 mb = 1618.94 m = 5311.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 187 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 ---------------------------------------------------------- 0 993 197 300 2 1.7 -1.0 | 353 8 0.9 -7.7 1 981 305 65 10 -9.1 -4.2 | 42 15 -9.9 -10.9 2 947 610 75 8 -7.7 -2.1 | 44 12 -8.6 -8.8 3 925 811 75 8 -7.7 -2.1 | 44 12 -8.6 -8.8 4 914 914 90 15 -15.0 0.0 | 67 17 -15.8 -6.7 5 882 1219 90 9 -9.0 0.0 | 56 12 -9.8 -6.7 6 850 1534 95 5 -5.0 0.4 | 43 9 -5.8 -6.2 7 821 1829 165 9 -2.3 8.7 | 122 4 -3.2 2.0 8 791 2134 160 10 -3.4 9.4 | 122 5 -4.3 2.7 9 763 2438 175 8 -0.7 8.0 | 130 2 -1.5 1.3 10 736 2743 180 8 0.0 8.0 | 147 2 -0.8 1.3 11 700 3165 180 5 0.0 5.0 | 27 2 -0.8 -1.7 12 658 3658 180 7 0.0 7.0 | 111 1 -0.8 0.3 13 610 4267 155 11 -4.6 10.0 | 121 6 -5.5 3.3 14 566 4877 170 11 -1.9 10.8 | 146 5 -2.8 4.2 15 500 5870 185 10 0.9 10.0 | 180 3 0.0 3.3 16 486 6096 225 10 7.1 7.1 | 266 6 6.2 0.4 17 400 7590 255 14 13.5 3.6 | 284 13 12.7 -3.1 18 398 7620 250 14 13.2 4.8 | 279 12 12.3 -1.9 19 324 9144 245 17 15.4 7.2 | 268 15 14.6 0.5 20 300 9700 250 18 16.9 6.2 | 272 16 16.1 -0.5 21 261 10668 230 21 16.1 13.5 | 246 17 15.2 6.8 22 250 10960 230 24 18.4 15.4 | 243 20 17.5 8.7 23 208 12192 240 30 26.0 15.0 | 252 26 25.1 8.3 24 200 12440 235 28 22.9 16.1 | 247 24 22.1 9.4 25 163 13716 225 30 21.2 21.2 | 234 25 20.4 14.5 26 150 14230 195 31 8.0 29.9 | 197 24 7.2 23.3 27 126 15240 170 17 -3.0 16.7 | 159 11 -3.8 10.1 28 102 16459 170 3 -0.5 3.0 | 20 4 -1.4 -3.7 29 100 16570 150 3 -1.5 2.6 | 30 5 -2.3 -4.1 30 89 17214 70 10 -9.4 -3.4 | 45 14 -10.2 -10.1 31 73 18288 125 12 -9.8 6.9 | 91 11 -10.7 0.2 32 70 18560 105 2 -1.9 0.5 | 24 7 -2.8 -6.2 33 57 19812 305 8 6.6 -4.6 | 333 13 5.7 -11.3 34 50 20550 335 4 1.7 -3.6 | 355 10 0.8 -10.3 35 42 21336 90 5 -5.0 0.0 | 41 9 -5.8 -6.7 Wind Parameters Mean winds (0-6000m): 157.2 at 9.0 knts Storm direction: 187.2 at 6.7 knts Shear (0-3000m) pos: 1.1 neg: 0.0 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 35.2 deg Storm rel helicity (0-3000m) pos: 60.6 neg: -13.4 tot: 47.1 m^2/s^2 ave: 15.7 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.48 Bulk Shear: 19.05 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 69 8 41 13| 9.8 0.0 9.8| 28.5 0.0 28.5 56.9 0.71| 15.1 10.8 1000 79 10 51 13| 5.8 0.0 5.8| 47.4 -7.0 40.4 40.4 0.54| 13.2 7.1 1500 84 9 52 12| 3.1 0.0 3.1| 54.7 -12.8 41.9 28.0 0.45| 11.7 5.3 2000 103 9 63 11| 2.9 0.0 2.9| 60.1 -12.8 47.2 23.6 0.49| 10.4 5.1 2500 117 9 73 9| 1.9 0.0 1.9| 60.6 -12.8 47.7 19.1 0.47| 8.9 4.2 3000 127 8 77 8| 1.1 0.0 1.1| 60.6 -13.4 47.1 15.7 0.39| 7.9 3.1 4000 140 8 86 6| 0.8 0.8 1.6| 61.2 -13.9 47.3 11.8 0.37| 6.8 2.5 5000 148 9 97 6| 0.7 0.6 1.4| 65.6 -14.0 51.6 10.3 0.40| 5.9 2.3 6000 157 9 110 5| 0.9 0.5 1.4| 74.0 -14.0 60.0 10.0 0.46| 5.7 2.6 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20251212.00.gif