UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:1200Z 16 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 64 SFC 985 197 25.2 14.2 50 11.0 18.0 170 3 299.6 301.5 291.7 330.1 10.38 2 984 206 30.6 19.6 52 11.0 22.8 178 3 305.2 307.9 296.4 349.2 14.74 3 925 756 27.4 17.4 54 10.0 20.4 275 8 307.3 309.9 296.3 348.5 13.64 4 850 1498 21.6 14.6 64 7.0 16.8 260 3 308.8 311.1 295.8 346.4 12.39 5 827 1736 19.6 13.6 68 6.0 15.5 17 3 309.1 311.3 295.6 345.3 11.92 6 700 3152 10.6 3.6 62 7.0 6.5 260 8 314.2 315.6 293.4 336.5 7.10 7 620 4152 5.0 -3.0 56 8.0 0.9 244 6 318.9 319.9 293.0 334.9 4.95 8 602 4392 3.6 -3.4 60 7.0 0.0 252 6 320.0 320.9 293.3 336.0 4.95 9 565 4903 -0.9 -4.9 74 4.0 -2.9 235 8 320.5 321.5 293.3 335.8 4.71 10 500 5870 -5.9 -7.4 89 1.5 -6.6 260 8 325.8 326.7 294.4 340.4 4.39 11 440 6863 -11.3 -12.6 90 1.3 -11.8 222 10 331.2 331.8 294.9 342.5 3.30 12 405 7496 -14.9 -19.9 66 5.0 -16.5 216 13 334.4 334.8 294.6 341.3 1.95 13 400 7590 -14.3 -20.3 60 6.0 -16.3 215 13 336.4 336.8 295.1 343.2 1.90 14 399 7609 -15.5 -20.5 65 5.0 -17.1 212 13 335.1 335.5 294.7 341.8 1.88 15 381 7956 -17.1 -20.7 74 3.6 -18.3 215 14 337.4 337.8 295.4 344.4 1.93 16 329 9042 -22.5 -29.5 53 7.0 -24.1 233 16 344.5 344.7 296.3 348.3 1.01 17 328 9065 -23.9 -29.9 58 6.0 -25.2 233 16 342.8 343.0 295.8 346.5 0.97 18 303 9639 -27.3 -36.3 42 9.0 -28.8 231 17 345.9 346.0 296.2 348.1 0.57 19 300 9710 -28.3 -35.3 51 7.0 -29.5 230 17 345.5 345.6 296.2 348.0 0.63 20 270 10456 -34.3 -39.1 62 4.8 -34.9 234 22 347.3 347.4 296.5 349.2 0.48 21 264 10613 -35.5 -46.5 32 11.0 -36.5 235 24 347.8 347.9 296.4 348.7 0.22 22 250 10990 -38.7 -43.7 59 5.0 -39.2 235 25 348.5 348.6 296.6 349.8 0.32 23 231 11531 -43.3 -47.9 60 4.6 -43.6 237 27 349.5 349.5 296.7 350.4 0.22 24 200 12490 -51.1 -55.9 57 4.8 -51.3 235 33 351.8 351.9 297.1 352.3 0.10 25 150 14290 -66.9 -71.7 51 4.8 -67.0 230 31 354.8 354.8 297.7 354.9 0.02 26 141 14661 -70.1 -75.0 49 4.9 -70.1 232 28 355.6 355.6 297.8 355.6 0.01 27 120 15605 -76.9 -81.5 48 4.6 -76.9 252 21 359.9 359.9 298.7 359.9 0.00 28 106 16312 -80.7 -84.5 53 3.8 -80.7 287 19 365.7 365.7 299.8 365.7 0.00 29 100 16640 -81.5 -85.6 50 4.1 -81.5 305 18 370.3 370.3 300.6 370.3 0.00 30 97 16810 -82.3 -85.6 57 3.3 -82.3 312 18 371.9 371.9 300.9 372.0 0.00 31 90 17231 -80.3 -86.3 36 6.0 -80.3 330 16 384.0 384.0 302.9 384.0 0.00 32 87 17423 -79.7 -84.7 43 5.0 -79.7 338 16 388.9 388.9 303.6 388.9 0.00 33 78 18033 -84.3 -87.0 62 2.7 -84.3 4 14 391.7 391.7 304.0 391.7 0.00 34 76 18177 -84.7 -87.8 58 3.1 -84.7 10 14 393.8 393.8 304.3 393.8 0.00 35 70 18640 -76.7 -84.7 27 8.0 -76.7 50 10 420.3 420.3 307.7 420.3 0.00 36 69 18723 -75.9 -83.9 27 8.0 -75.9 59 10 423.7 423.7 308.2 423.8 0.01 37 67 18893 -75.9 -83.9 27 8.0 -75.9 77 10 427.3 427.3 308.6 427.4 0.01 38 58 19730 -74.9 -82.9 28 8.0 -75.0 167 8 447.6 447.6 310.6 447.6 0.01 39 56 19936 -70.5 -80.5 22 10.0 -70.6 199 7 462.1 462.1 312.0 462.2 0.01 40 50 20610 -70.1 -81.1 18 11.0 -70.2 315 3 478.3 478.3 313.3 478.4 0.01 41 42 21675 -58.7 -76.7 8 18.0 -59.5 233 5 531.0 531.0 317.0 531.2 0.03 42 36 22637 -61.1 -79.1 8 18.0 -61.7 132 7 548.7 548.7 318.1 548.8 0.02 43 30 23780 -56.9 -77.9 5 21.0 -58.2 100 13 589.5 589.5 320.1 589.7 0.03 44 27 24452 -54.1 -77.1 4 23.0 -55.9 96 13 615.4 615.4 321.3 615.7 0.04 TRP 76 18177 -84.7 -87.8 58 3.1 -84.7 10 14 393.8 393.8 304.3 393.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 572.40 mb = 4800.82 m = 15750.52 ft Wetbulb zero: 601.75 mb = 4395.60 m = 14421.08 ft Precipitable water: 1.92 inches Sfc-500 mean rel hum: 65.12 % Est. max temperature: 34.50 C = 94.10 F Sfc-Lift cond lev (LCL): 838.21 mb = 1619.00 m = 5311.62 ft T: 20.58 C 700-500 lapse rate: 6.07 C/km ThetaE index: 14.36 C Layer 925.0- 602.0 mb Conv cond level (CCL): 749.98 mb = 2566.09 m = 8418.82 ft Mean mixing ratio: 13.81 g/kg Conv temperature: 37.63 C = 99.74 F Cap Strength: 2.84 C Lifted Index: -2.40 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.95 C Lifted Index @700 mb: 0.44 C Showalter Index: -1.64 C Risk: Thunderstorms probable Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 20.50 C K Index: 35.10 Risk: > 80 % chance of thunderstorms Sweat Index: 189.20 Risk: None Energy Index: -1.20 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 289.93 J/kg Max Up Vert Vel: 24.08 m/s Conv Inhibition (B-): 132.77 J/kg Cap Strength: 2.84 C Lift Cond Lev (LCL): 807.89 mb = 1934.23 m = 6345.83 ft Lev Free Conv (LFC): 652.89 mb = 3726.32 m = 12225.32 ft Equ Level (EL): 352.89 mb = 8523.24 m = 27963.04 ft B at Equ Level: 286.90 J/kg Max Parcel Lev (MPL): 182.89 mb = 13049.61 m = 42813.16 ft Wind level data Storm motion: 278 at 4 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 ---------------------------------------------------------- 0 985 197 170 3 -0.5 3.0 | 128 6 -4.6 3.5 1 973 305 265 3 3.0 0.3 | 128 1 -1.1 0.8 2 940 610 270 8 8.0 -0.0 | 262 4 3.9 0.6 3 925 756 275 8 8.0 -0.7 | 272 4 3.9 -0.1 4 908 914 265 5 5.0 0.4 | 221 1 0.9 1.0 5 877 1219 260 3 3.0 0.5 | 134 2 -1.1 1.1 6 850 1498 260 3 3.0 0.5 | 134 2 -1.1 1.1 7 818 1829 65 3 -2.7 -1.3 | 84 7 -6.8 -0.7 8 789 2134 0 0 -0.0 -0.0 | 98 4 -4.1 0.6 9 761 2438 245 1 0.9 0.4 | 108 3 -3.2 1.0 10 734 2743 255 4 3.9 1.0 | 172 2 -0.2 1.6 11 700 3152 260 8 7.9 1.4 | 243 4 3.8 2.0 12 658 3658 205 6 2.5 5.4 | 166 6 -1.5 6.0 13 610 4267 255 6 5.8 1.6 | 219 3 1.7 2.1 14 565 4877 235 8 6.6 4.6 | 206 6 2.5 5.2 15 500 5870 260 8 7.9 1.4 | 243 4 3.8 2.0 16 486 6096 230 6 4.6 3.9 | 187 4 0.5 4.4 17 400 7590 215 13 7.5 10.6 | 197 12 3.4 11.2 18 398 7620 210 13 6.5 11.3 | 192 12 2.4 11.8 19 324 9144 235 16 13.1 9.2 | 223 13 9.0 9.8 20 300 9710 230 17 13.0 10.9 | 218 15 8.9 11.5 21 262 10668 235 24 19.7 13.8 | 227 21 15.6 14.4 22 250 10990 235 25 20.5 14.3 | 228 22 16.4 14.9 23 209 12192 240 29 25.1 14.5 | 234 26 21.0 15.1 24 200 12490 235 33 27.0 18.9 | 230 30 22.9 19.5 25 164 13716 225 34 24.0 24.0 | 219 32 20.0 24.6 26 150 14290 230 31 23.7 19.9 | 224 28 19.7 20.5 27 127 15240 235 22 18.0 12.6 | 227 19 13.9 13.2 28 103 16459 295 18 16.3 -7.6 | 300 14 12.2 -7.0 29 100 16640 305 18 14.7 -10.3 | 312 14 10.7 -9.7 30 76 18177 10 14 -2.4 -13.8 | 26 15 -6.5 -13.2 31 75 18288 5 14 -1.2 -13.9 | 22 14 -5.3 -13.4 32 70 18640 50 10 -7.7 -6.4 | 64 13 -11.7 -5.8 33 57 19812 175 8 -0.7 8.0 | 151 10 -4.8 8.6 34 50 20610 315 3 2.1 -2.1 | 52 2 -2.0 -1.5 35 44 21336 270 5 5.0 -0.0 | 237 1 0.9 0.6 36 35 22860 110 7 -6.6 2.4 | 106 11 -10.7 3.0 37 30 23780 100 13 -12.8 2.3 | 100 17 -16.9 2.8 38 26 24384 95 13 -13.0 1.1 | 96 17 -17.0 1.7 Wind Parameters Mean winds (0-6000m): 248.1 at 5.5 knts Storm direction: 278.1 at 4.1 knts Shear (0-3000m) pos: 1.9 neg: 0.9 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 105.7 deg Storm rel helicity (0-3000m) pos: 10.6 neg: -2.9 tot: 7.7 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 1.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 804.52 Bulk Shear: 0.36 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 ------------------------------------------------------------------------------- 500 266 5 232 2| 9.4 0.0 9.4| 2.1 0.0 2.1 4.2 0.45| 10.1 4.5 1000 267 5 235 2| 4.7 2.6 7.3| 2.1 -1.5 0.6 0.6 0.06| 7.7 0.4 1500 268 5 214 1| 3.0 1.7 4.7| 2.4 -2.4 -0.1 -0.1 -0.08| 7.0 -0.5 2000 269 4 159 1| 2.3 1.6 3.8| 6.9 -2.4 4.5 2.2 0.07| 6.7 0.5 2500 267 3 136 1| 1.8 1.1 2.9| 8.8 -2.5 6.3 2.5 0.15| 6.1 0.9 3000 264 4 162 1| 1.9 0.9 2.8| 10.6 -2.9 7.7 2.6 0.21| 5.9 1.2 4000 251 4 184 2| 2.0 1.3 3.3| 14.4 -10.6 3.8 0.9 0.10| 5.7 0.6 5000 248 5 194 3| 1.6 1.1 2.8| 16.1 -11.6 4.4 0.9 0.10| 5.1 0.5 6000 248 5 201 3| 1.5 1.2 2.7| 18.8 -16.0 2.8 0.5 0.06| 4.8 0.3 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250416.12.gif