UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:0000Z 19 APR 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 78 SFC 987 194 27.8 17.8 55 10.0 20.9 0 0 302.1 304.5 294.5 340.8 13.10 2 986 203 25.8 17.8 61 8.0 20.3 348 1 300.2 302.6 294.0 338.6 13.11 3 984 221 25.8 18.8 65 7.0 20.9 325 2 300.3 302.9 294.7 341.4 14.01 4 964 402 26.4 17.4 58 9.0 20.2 223 9 302.7 305.1 294.7 341.4 13.08 5 925 766 24.4 17.4 65 7.0 19.5 235 10 304.3 306.8 295.5 344.9 13.64 6 850 1503 20.8 12.8 60 8.0 15.5 220 4 307.9 310.0 294.6 341.2 10.99 7 843 1575 20.6 11.6 56 9.0 14.7 216 5 308.5 310.4 294.2 339.5 10.23 8 700 3153 10.4 2.4 58 8.0 5.9 220 11 314.0 315.2 292.9 334.4 6.51 9 614 4230 3.0 -1.8 71 4.8 0.5 205 12 317.5 318.5 293.0 335.0 5.47 10 593 4512 3.2 -3.8 60 7.0 -0.4 211 12 320.9 321.8 293.5 336.7 4.87 11 590 4553 3.0 -4.0 60 7.0 -0.6 212 12 321.1 322.1 293.5 336.8 4.82 12 507 5761 -6.3 -7.6 90 1.3 -6.9 224 16 324.1 324.9 293.9 338.2 4.26 13 506 5777 -6.5 -8.5 86 2.0 -7.4 225 16 324.0 324.8 293.6 337.2 3.98 14 500 5870 -6.9 -11.4 70 4.5 -8.8 225 16 324.6 325.3 293.2 335.3 3.20 15 487 6076 -6.9 -12.9 62 6.0 -9.4 221 14 327.1 327.7 293.6 337.0 2.91 16 474 6287 -7.7 -13.7 62 6.0 -10.1 220 14 328.6 329.2 293.9 338.2 2.80 17 454 6622 -10.5 -13.6 78 3.1 -11.7 220 15 329.2 329.8 294.1 339.3 2.95 18 400 7590 -14.9 -24.9 42 10.0 -17.7 220 16 335.6 335.9 294.4 340.2 1.27 19 352 8547 -20.1 -33.1 30 13.0 -22.8 208 14 341.1 341.2 295.2 343.7 0.67 20 343 8738 -21.5 -36.5 25 15.0 -24.3 206 14 341.7 341.8 295.2 343.7 0.49 21 318 9291 -26.1 -32.1 57 6.0 -27.3 207 13 342.8 343.0 295.7 345.9 0.81 22 300 9710 -28.9 -36.9 46 8.0 -30.2 230 12 344.6 344.8 295.9 346.8 0.54 23 250 10980 -39.9 -45.9 53 6.0 -40.4 265 16 346.7 346.8 296.1 347.8 0.25 24 200 12470 -52.5 -59.5 43 7.0 -52.7 255 16 349.6 349.6 296.6 349.9 0.06 25 183 13037 -57.1 -64.1 41 7.0 -57.2 246 15 351.2 351.2 296.9 351.3 0.04 26 166 13644 -62.9 -67.3 55 4.4 -63.0 236 13 351.4 351.4 297.0 351.5 0.03 27 150 14260 -67.3 -71.2 58 3.9 -67.3 240 13 354.2 354.2 297.5 354.2 0.02 28 147 14382 -68.3 -71.8 61 3.5 -68.3 236 13 354.5 354.5 297.6 354.5 0.02 29 126 15293 -74.9 -78.8 54 3.9 -74.9 205 13 358.5 358.5 298.4 358.5 0.01 30 116 15773 -75.7 -81.7 38 6.0 -75.7 134 13 365.6 365.6 299.8 365.6 0.00 31 113 15925 -76.3 -81.3 45 5.0 -76.3 111 12 367.2 367.2 300.1 367.3 0.00 32 101 16564 -81.5 -84.0 66 2.5 -81.5 43 12 369.2 369.2 300.4 369.2 0.00 33 100 16620 -81.7 -84.2 65 2.5 -81.7 50 12 369.9 369.9 300.5 369.9 0.00 34 97 16791 -82.1 -84.2 70 2.1 -82.1 58 11 372.3 372.3 300.9 372.3 0.00 35 93 17026 -83.3 -86.2 60 2.9 -83.3 70 10 374.5 374.5 301.4 374.5 0.00 36 70 18620 -80.1 -84.2 50 4.1 -80.1 60 8 413.0 413.0 306.9 413.0 0.00 37 64 19128 -80.9 -85.6 45 4.7 -80.9 43 7 422.0 422.0 307.9 422.0 0.00 38 50 20570 -68.3 -79.3 19 11.0 -68.5 65 12 482.5 482.5 313.7 482.6 0.01 39 47 20945 -64.5 -78.5 13 14.0 -64.8 86 11 500.3 500.3 314.9 500.4 0.02 40 46 21077 -63.1 -77.1 13 14.0 -63.5 93 11 506.7 506.7 315.4 506.9 0.02 41 43 21491 -63.9 -77.9 13 14.0 -64.3 116 10 514.6 514.6 315.9 514.8 0.02 42 38 22262 -56.3 -74.3 9 18.0 -57.3 101 11 552.5 552.5 318.2 552.8 0.04 43 30 23766 -55.7 -74.7 8 19.0 -57.1 592.8 592.8 320.3 593.2 0.05 TRP 93 17026 -83.3 -86.2 60 2.9 -83.3 70 10 374.5 374.5 301.4 374.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 563.23 mb = 4942.94 m = 16216.79 ft Wetbulb zero: 602.33 mb = 4385.57 m = 14388.19 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 64.46 % Est. max temperature: 34.37 C = 93.87 F Sfc-Lift cond lev (LCL): 853.27 mb = 1469.56 m = 4821.33 ft T: 20.96 C 700-500 lapse rate: 6.37 C/km ThetaE index: 10.45 C Layer 850.0- 614.0 mb Conv cond level (CCL): 740.50 mb = 2675.40 m = 8777.46 ft Mean mixing ratio: 13.24 g/kg Conv temperature: 38.04 C = 100.47 F Cap Strength: 4.77 C Lifted Index: -1.35 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.37 C Lifted Index @700 mb: 1.77 C Showalter Index: -0.59 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 19.70 C K Index: 32.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 177.60 Risk: None Energy Index: -1.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.51 J/kg Max Up Vert Vel: 9.95 m/s Conv Inhibition (B-): 271.23 J/kg Cap Strength: 4.77 C Lift Cond Lev (LCL): 836.21 mb = 1643.21 m = 5391.04 ft Lev Free Conv (LFC): 621.21 mb = 4134.06 m = 13563.03 ft Equ Level (EL): 601.21 mb = 4400.66 m = 14437.70 ft B at Equ Level: 15.64 J/kg Max Parcel Lev (MPL): 561.21 mb = 4951.90 m = 16246.19 ft Wind level data Storm motion: 247 at 8 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 ---------------------------------------------------------- 0 987 194 0 0 -0.0 -0.0 | 67 8 -7.1 -3.1 1 975 305 215 9 5.2 7.4 | 156 5 -1.9 4.3 2 942 610 240 10 8.7 5.0 | 219 2 1.6 1.9 3 925 766 235 10 8.2 5.7 | 202 3 1.1 2.7 4 909 914 245 8 7.3 3.4 | 204 0 0.1 0.3 5 878 1219 235 4 3.3 2.3 | 79 4 -3.8 -0.8 6 850 1503 220 4 2.6 3.1 | 90 5 -4.5 -0.0 7 818 1829 200 7 2.4 6.6 | 127 6 -4.7 3.5 8 789 2134 200 9 3.1 8.5 | 143 7 -4.0 5.4 9 761 2438 205 11 4.6 10.0 | 160 7 -2.5 6.9 10 735 2743 210 10 5.0 8.7 | 159 6 -2.1 5.6 11 700 3153 220 11 7.1 8.4 | 180 5 -0.0 5.4 12 658 3658 205 9 3.8 8.2 | 147 6 -3.3 5.1 13 610 4267 205 12 5.1 10.9 | 165 8 -2.0 7.8 14 565 4877 220 12 7.7 9.2 | 186 6 0.6 6.1 15 500 5870 225 16 11.3 11.3 | 207 9 4.2 8.2 16 486 6096 220 14 9.0 10.7 | 194 8 1.9 7.7 17 400 7590 220 16 10.3 12.3 | 199 10 3.2 9.2 18 398 7620 220 16 10.3 12.3 | 199 10 3.2 9.2 19 324 9144 200 13 4.4 12.2 | 164 10 -2.7 9.1 20 300 9710 230 12 9.2 7.7 | 204 5 2.1 4.6 21 261 10668 260 16 15.8 2.8 | 272 9 8.6 -0.3 22 250 10980 265 16 15.9 1.4 | 281 9 8.8 -1.7 23 209 12192 260 15 14.8 2.6 | 273 8 7.7 -0.5 24 200 12470 255 16 15.5 4.1 | 263 8 8.3 1.1 25 164 13716 235 13 10.6 7.5 | 219 6 3.5 4.4 26 150 14260 240 13 11.3 6.5 | 230 5 4.1 3.4 27 127 15240 210 13 6.5 11.3 | 176 8 -0.6 8.2 28 103 16459 30 12 -6.0 -10.4 | 44 19 -13.1 -13.5 29 100 16620 50 12 -9.2 -7.7 | 57 20 -16.3 -10.8 30 93 17026 70 10 -9.4 -3.4 | 69 18 -16.5 -6.5 31 74 18288 20 13 -4.4 -12.2 | 37 19 -11.6 -15.3 32 70 18620 60 8 -6.9 -4.0 | 63 16 -14.0 -7.1 33 57 19812 20 5 -1.7 -4.7 | 49 12 -8.8 -7.8 34 50 20570 65 12 -10.9 -5.1 | 66 20 -18.0 -8.1 35 43 21336 120 10 -8.7 5.0 | 97 16 -15.8 1.9 36 31 22860 65 14 -12.7 -5.9 | 66 22 -19.8 -9.0 Wind Parameters Mean winds (0-6000m): 216.7 at 10.3 knts Storm direction: 246.7 at 7.7 knts Shear (0-3000m) pos: 0.6 neg: 1.6 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 109.9 deg Storm rel helicity (0-3000m) pos: 21.6 neg: -1.0 tot: 20.6 m^2/s^2 ave: 6.9 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 51.47 Bulk Shear: 0.96 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 ------------------------------------------------------------------------------- 500 229 8 164 3| 0.0 10.3 10.3| 7.5 -0.1 7.4 14.7 0.76| 14.7 11.2 1000 234 8 159 2| 0.0 2.2 2.2| 7.5 -0.8 6.7 6.7 0.41| 10.6 4.4 1500 231 7 123 2| 0.0 2.0 2.0| 10.7 -0.8 9.9 6.6 0.47| 8.2 3.8 2000 223 7 132 3| 0.0 2.4 2.4| 15.9 -0.8 15.1 7.6 0.52| 7.2 3.7 2500 218 8 142 4| 0.3 1.9 2.3| 19.0 -1.0 18.1 7.2 0.53| 6.3 3.3 3000 217 8 148 4| 0.6 1.6 2.2| 21.6 -1.0 20.6 6.9 0.55| 5.6 3.1 4000 214 9 152 5| 0.4 1.4 1.9| 24.9 -5.1 19.8 4.9 0.45| 4.9 2.2 5000 215 9 159 5| 0.8 1.1 1.9| 31.7 -5.1 26.6 5.3 0.48| 4.4 2.1 6000 217 10 170 5| 0.8 0.9 1.7| 35.3 -9.0 26.3 4.4 0.43| 4.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250419.00.gif