UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for VT381... Searching the city database file for: VT381 ... Date:0000Z 18 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 79 SFC 987 194 25.4 16.4 57 9.0 19.4 200 2 299.7 301.9 293.0 334.7 11.97 2 957 467 26.0 18.0 61 8.0 20.4 250 11 302.9 305.5 295.1 343.5 13.69 3 925 766 24.4 16.4 61 8.0 18.9 255 10 304.3 306.6 294.9 342.3 12.78 4 881 1193 23.0 14.0 57 9.0 17.0 278 2 307.1 309.2 294.7 341.7 11.48 5 850 1504 20.4 13.4 64 7.0 15.7 270 2 307.5 309.7 294.8 342.1 11.44 6 700 3155 10.4 2.4 58 8.0 5.9 245 8 314.0 315.2 292.9 334.4 6.51 7 593 4517 1.6 -3.2 70 4.8 -0.9 221 12 319.0 320.0 293.2 335.5 5.10 8 533 5374 -1.9 -9.9 54 8.0 -5.4 228 14 324.7 325.4 293.3 336.0 3.38 9 500 5880 -5.3 -11.3 63 6.0 -7.8 225 15 326.6 327.2 293.7 337.5 3.23 10 495 5959 -5.7 -13.7 53 8.0 -8.9 230 15 327.0 327.6 293.3 336.2 2.68 11 441 6850 -11.7 -15.8 72 4.1 -13.2 230 14 330.4 330.9 294.1 339.2 2.53 12 440 6868 -11.7 -15.8 72 4.1 -13.2 230 13 330.6 331.2 294.2 339.4 2.54 13 400 7590 -15.5 -21.5 60 6.0 -17.4 220 12 334.8 335.2 294.6 341.0 1.72 14 367 8237 -19.1 -25.1 59 6.0 -20.7 226 13 338.4 338.7 295.1 343.4 1.36 15 300 9710 -29.9 -35.9 56 6.0 -30.9 245 18 343.2 343.4 295.6 345.5 0.60 16 250 10980 -40.3 -46.3 53 6.0 -40.8 240 17 346.2 346.2 296.0 347.1 0.24 17 200 12460 -52.7 -58.7 48 6.0 -52.9 240 18 349.3 349.3 296.5 349.6 0.07 18 158 13944 -64.9 -69.9 50 5.0 -65.0 247 16 353.0 353.0 297.3 353.1 0.02 19 150 14260 -67.1 -73.1 42 6.0 -67.1 235 15 354.5 354.5 297.6 354.6 0.01 20 124 15383 -76.1 -80.5 50 4.4 -76.1 207 12 358.0 358.0 298.3 358.0 0.00 21 111 16017 -78.9 -82.5 55 3.6 -78.9 112 10 364.2 364.3 299.5 364.3 0.00 22 102 16497 -78.9 -83.9 44 5.0 -78.9 46 8 373.2 373.2 301.1 373.2 0.00 23 101 16553 -79.1 -84.1 44 5.0 -79.1 48 8 373.8 373.8 301.2 373.8 0.00 24 100 16610 -78.7 -83.3 47 4.6 -78.7 50 8 375.7 375.7 301.5 375.7 0.00 25 83 17654 -84.1 -87.4 56 3.3 -84.1 118 5 385.2 385.2 303.1 385.2 0.00 26 82 17721 -81.9 -85.4 55 3.5 -81.9 122 5 391.1 391.1 303.9 391.1 0.00 27 77 18071 -84.1 -86.4 67 2.3 -84.1 145 4 393.6 393.6 304.3 393.6 0.00 28 76 18143 -84.1 -86.1 71 2.0 -84.1 155 5 395.1 395.1 304.5 395.1 0.00 29 74 18291 -83.7 -86.5 61 2.8 -83.7 176 6 398.9 398.9 305.0 398.9 0.00 30 70 18600 -81.9 -85.7 52 3.8 -81.9 235 9 409.2 409.2 306.4 409.2 0.00 31 56 19890 -70.9 -80.9 21 10.0 -71.0 321 9 461.2 461.2 311.9 461.3 0.01 32 50 20570 -66.5 -78.5 17 12.0 -66.7 5 5 486.8 486.8 314.0 486.9 0.02 33 45 21214 -61.9 -75.9 14 14.0 -62.3 57 5 512.8 512.8 315.8 513.0 0.03 34 30 23760 -55.5 -75.5 7 20.0 -56.9 115 12 593.3 593.4 320.3 593.7 0.05 35 29 23976 -55.3 -74.3 8 19.0 -56.8 599.7 599.7 320.6 600.1 0.06 TRP 77 18071 -84.1 -86.4 67 2.3 -84.1 145 4 393.6 393.6 304.3 393.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 565.57 mb = 4908.72 m = 16104.51 ft Wetbulb zero: 606.64 mb = 4330.47 m = 14207.42 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 61.43 % Est. max temperature: 33.74 C = 92.73 F Sfc-Lift cond lev (LCL): 865.19 mb = 1350.04 m = 4429.22 ft T: 21.69 C 700-500 lapse rate: 5.76 C/km ThetaE index: 7.65 C Layer 700.0- 593.0 mb Conv cond level (CCL): 732.23 mb = 2772.26 m = 9095.24 ft Mean mixing ratio: 12.72 g/kg Conv temperature: 38.20 C = 100.76 F Cap Strength: 4.46 C Lifted Index: 0.89 C Risk: Showers probable Lifted Index @300 mb: 3.30 C Lifted Index @700 mb: 2.24 C Showalter Index: 0.66 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 18.70 C K Index: 31.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 179.80 Risk: None Energy Index: -0.89 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.77 J/kg Max Up Vert Vel: 6.60 m/s Conv Inhibition (B-): 14954.53 J/kg Cap Strength: 4.46 C Lift Cond Lev (LCL): 828.81 mb = 1718.64 m = 5638.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 264 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 ---------------------------------------------------------- 0 987 194 200 2 0.7 1.9 | 100 6 -6.3 1.1 1 975 305 245 12 10.9 5.1 | 222 6 3.9 4.3 2 942 610 255 10 9.7 2.6 | 236 3 2.7 1.8 3 925 766 255 10 9.7 2.6 | 236 3 2.7 1.8 4 909 914 260 5 4.9 0.9 | 93 2 -2.1 0.1 5 878 1219 280 2 2.0 -0.3 | 77 5 -5.0 -1.1 6 850 1504 270 2 2.0 -0.0 | 81 5 -5.0 -0.8 7 818 1829 200 5 1.7 4.7 | 127 7 -5.3 3.9 8 789 2134 225 6 4.2 4.2 | 142 4 -2.7 3.5 9 762 2438 250 7 6.6 2.4 | 166 2 -0.4 1.6 10 735 2743 260 7 6.9 1.2 | 168 0 -0.1 0.4 11 700 3155 245 8 7.3 3.4 | 186 3 0.3 2.6 12 658 3658 230 10 7.7 6.4 | 187 6 0.7 5.7 13 610 4267 215 10 5.7 8.2 | 170 8 -1.2 7.4 14 566 4877 230 14 10.7 9.0 | 204 9 3.7 8.2 15 500 5880 225 15 10.6 10.6 | 200 10 3.6 9.8 16 486 6096 240 15 13.0 7.5 | 222 9 6.0 6.7 17 400 7590 220 12 7.7 9.2 | 185 8 0.7 8.4 18 398 7620 220 12 7.7 9.2 | 185 8 0.7 8.4 19 324 9144 235 15 12.3 8.6 | 214 9 5.3 7.8 20 300 9710 245 18 16.3 7.6 | 234 12 9.3 6.8 21 261 10668 245 15 13.6 6.3 | 230 9 6.6 5.6 22 250 10980 240 17 14.7 8.5 | 225 11 7.7 7.7 23 208 12192 240 20 17.3 10.0 | 228 14 10.3 9.2 24 200 12460 240 18 15.6 9.0 | 226 12 8.6 8.2 25 164 13716 255 17 16.4 4.4 | 249 10 9.4 3.6 26 150 14260 235 15 12.3 8.6 | 214 9 5.3 7.8 27 127 15240 225 13 9.2 9.2 | 195 9 2.2 8.4 28 103 16459 45 8 -5.7 -5.7 | 63 14 -12.6 -6.4 29 100 16610 50 8 -6.1 -5.1 | 66 14 -13.1 -5.9 30 77 18071 145 4 -2.3 3.3 | 105 10 -9.3 2.5 31 74 18288 175 6 -0.5 6.0 | 125 9 -7.5 5.2 32 70 18600 235 9 7.4 5.2 | 185 4 0.4 4.4 33 57 19812 315 9 6.4 -6.4 | 5 7 -0.6 -7.1 34 50 20570 5 5 -0.4 -5.0 | 52 9 -7.4 -5.8 35 44 21336 65 5 -4.5 -2.1 | 76 12 -11.5 -2.9 36 35 22860 100 13 -12.8 2.3 | 94 20 -19.8 1.5 37 30 23760 115 12 -10.9 5.1 | 104 18 -17.9 4.3 Wind Parameters Mean winds (0-6000m): 233.7 at 9.4 knts Storm direction: 263.7 at 7.0 knts Shear (0-3000m) pos: 1.1 neg: 0.9 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 86.8 deg Storm rel helicity (0-3000m) pos: 19.5 neg: -1.4 tot: 18.1 m^2/s^2 ave: 6.0 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 24.05 Bulk Shear: 0.91 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 ------------------------------------------------------------------------------- 500 249 10 219 4| 9.3 0.0 9.3| 11.2 0.0 11.2 22.4 0.91| 15.1 13.8 1000 253 8 197 2| 1.4 0.0 1.4| 11.2 -1.4 9.8 9.8 0.34| 12.2 4.1 1500 254 6 126 2| 0.9 1.0 1.9| 14.6 -1.4 13.2 8.8 0.40| 9.2 3.7 2000 244 6 134 2| 0.9 0.7 1.6| 18.7 -1.4 17.3 8.7 0.43| 8.2 3.5 2500 245 6 138 2| 1.3 0.6 1.9| 19.5 -1.4 18.1 7.2 0.42| 7.3 3.0 3000 247 6 144 2| 1.1 0.9 2.0| 19.5 -1.4 18.1 6.0 0.40| 6.5 2.6 4000 240 7 164 3| 0.8 1.2 2.0| 19.6 -4.4 15.2 3.8 0.31| 5.5 1.7 5000 235 8 177 4| 1.1 1.0 2.0| 29.7 -5.0 24.7 4.9 0.37| 5.0 1.8 6000 234 9 187 5| 1.1 0.9 2.0| 38.8 -7.0 31.8 5.3 0.38| 4.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//VT381/skewt/VT381.skewt.20250418.00.gif