UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042011.upa.cvt Date: 1100Z 20 APR 25 Searching for VEBS... Searching the city database file for: VEBS ... Date:1100Z 20 APR 25 Station: VEBS WMO ident: 42971 Latitude: 20.25 Longitude: 85.83 Elevation: 46.00 ------------------------------------------------------------------------------- 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 40 180 10 SFC 999 46 32.6 26.6 71 6.0 28.0 180 10 305.8 310.0 301.2 373.5 22.45 2 942 575 27.6 25.3 87 2.3 25.9 213 13 305.9 310.0 301.0 372.4 22.03 3 930 690 30.6 20.6 55 10.0 23.3 221 11 310.1 313.3 298.9 360.9 16.65 4 925 739 30.2 21.2 59 9.0 23.6 225 10 310.2 313.5 299.3 363.3 17.39 5 905 935 28.4 21.4 66 7.0 23.2 229 7 310.3 313.7 299.7 365.3 18.01 6 863 1358 27.4 11.4 37 16.0 16.8 277 8 313.5 315.4 295.3 344.0 9.86 7 850 1493 26.6 7.6 30 19.0 14.7 275 8 314.0 315.5 293.9 338.1 7.72 8 721 2916 14.6 -2.4 31 17.0 5.6 319 9 316.0 316.8 291.7 330.2 4.45 9 700 3165 12.4 -1.6 38 14.0 4.9 340 12 316.2 317.2 292.2 331.7 4.86 10 646 3830 6.0 -1.0 61 7.0 2.3 343 14 316.3 317.4 292.7 333.8 5.51 11 623 4125 3.4 -8.6 41 12.0 -2.0 344 14 316.6 317.2 290.9 327.0 3.20 12 621 4151 4.0 -18.0 18 22.0 -4.0 344 14 317.6 317.9 289.6 322.7 1.49 13 604 4377 3.8 -24.2 11 28.0 -5.2 351 13 319.9 320.1 289.7 323.0 0.89 14 544 5221 0.0 -40.0 3 40.0 -8.9 40 8 325.1 325.1 290.5 325.9 0.22 15 503 5843 -4.9 -27.9 15 23.0 -11.3 355 5 326.5 326.7 291.5 329.3 0.77 16 500 5890 -5.1 -31.1 11 26.0 -11.8 355 5 326.8 326.9 291.4 328.9 0.57 17 478 6242 -6.1 -44.1 3 38.0 -13.3 337 8 329.8 329.9 291.8 330.4 0.16 18 400 7610 -15.1 -52.1 3 37.0 -20.1 325 23 335.4 335.4 293.2 335.7 0.08 19 318 9303 -26.9 -62.9 2 36.0 -29.6 301 8 341.7 341.7 294.8 341.8 0.03 20 300 9720 -30.1 -56.1 6 26.0 -32.2 245 8 343.0 343.0 295.1 343.2 0.06 21 295 9840 -30.5 -63.5 2 33.0 -32.6 243 10 344.0 344.0 295.3 344.2 0.03 22 291 9937 -30.7 -43.7 27 13.0 -32.3 242 12 345.1 345.2 295.8 346.2 0.27 TRP WND Sounding variables and indices 1000-500 mb thick: 5850.00 m Freezing level: 544.00 mb = 5220.94 m = 17128.85 ft Wetbulb zero: 633.68 mb = 3986.82 m = 13079.95 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 34.65 % Est. max temperature: 40.79 C = 105.42 F Sfc-Lift cond lev (LCL): 916.83 mb = 818.41 m = 2685.05 ft T: 29.47 C 700-500 lapse rate: 6.42 C/km ThetaE index: 35.11 C Layer 863.0- 700.0 mb Conv cond level (CCL): 788.52 mb = 2141.93 m = 7027.25 ft Mean mixing ratio: 20.37 g/kg Conv temperature: 41.73 C = 107.11 F Cap Strength: 5.00 C Lifted Index: -8.17 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -11.08 C Lifted Index @700 mb: -2.91 C Showalter Index: 2.50 C Risk: Showers probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.70 C Cross Totals Index: 12.70 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 112.20 Risk: None Energy Index: -1.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2098.70 J/kg Max Up Vert Vel: 64.79 m/s Conv Inhibition (B-): 179.83 J/kg Cap Strength: 4.98 C Lift Cond Lev (LCL): 874.85 mb = 1236.62 m = 4057.12 ft Lev Free Conv (LFC): 749.85 mb = 2576.57 m = 8453.21 ft Wind level data Storm motion: 354 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 ---------------------------------------------------------- 0 999 46 180 10 0.0 10.0 | 177 18 -0.8 17.6 1 938 610 215 13 7.5 10.6 | 200 19 6.7 18.2 2 925 739 225 10 7.1 7.1 | 203 16 6.3 14.7 3 907 914 225 7 4.9 4.9 | 198 13 4.2 12.5 4 877 1219 280 7 6.9 -1.2 | 224 9 6.1 6.4 5 850 1493 275 8 8.0 -0.7 | 226 10 7.2 6.9 6 789 2134 260 9 8.9 1.6 | 221 12 8.1 9.1 7 710 3048 330 9 4.5 -7.8 | 273 4 3.7 -0.2 8 700 3165 340 12 4.1 -11.3 | 318 5 3.3 -3.7 9 684 3353 340 13 4.4 -12.2 | 322 6 3.7 -4.6 10 611 4267 345 14 3.6 -13.5 | 335 7 2.8 -5.9 11 588 4572 5 11 -1.0 -11.0 | 27 4 -1.8 -3.4 12 567 4877 10 13 -2.3 -12.8 | 30 6 -3.1 -5.2 13 546 5182 40 8 -5.1 -6.1 | 104 6 -5.9 1.5 14 526 5486 35 12 -6.9 -9.8 | 74 8 -7.7 -2.2 15 506 5791 355 5 0.4 -5.0 | 172 3 -0.4 2.6 16 500 5890 355 5 0.4 -5.0 | 172 3 -0.4 2.6 17 487 6096 5 5 -0.4 -5.0 | 155 3 -1.2 2.6 18 468 6401 305 11 9.0 -6.3 | 261 8 8.2 1.3 19 400 7610 325 23 13.2 -18.8 | 312 17 12.4 -11.3 20 368 8230 325 11 6.3 -9.0 | 285 6 5.5 -1.4 21 353 8534 275 6 6.0 -0.5 | 216 9 5.2 7.1 22 338 8839 270 4 4.0 -0.0 | 203 8 3.2 7.6 23 325 9144 325 9 5.2 -7.4 | 267 4 4.4 0.2 24 311 9449 275 7 7.0 -0.6 | 222 9 6.2 7.0 25 300 9720 245 8 7.3 3.4 | 210 13 6.5 11.0 26 286 10058 240 14 12.1 7.0 | 218 18 11.3 14.6 Wind Parameters Mean winds (0-6000m): 324.0 at 10.2 knts Storm direction: 354.0 at 7.6 knts Shear (0-3000m) pos: 3.4 neg: 0.3 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 95.6 deg Storm rel helicity (0-3000m) pos: 69.8 neg: -4.9 tot: 64.8 m^2/s^2 ave: 21.6 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 3.2 10^-3/s Energy-Hel index: 0.72 Bulk Rich Number: 43.14 Bulk Shear: 48.65 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 ------------------------------------------------------------------------------- 500 198 11 188 19| 6.8 0.0 6.8| 31.7 0.0 31.7 63.5 0.96| 6.9 6.6 1000 210 10 195 17| 5.1 0.0 5.1| 46.9 -2.7 44.3 44.3 0.59| 8.3 4.9 1500 225 9 203 15| 4.5 0.0 4.5| 54.8 -2.7 52.1 34.7 0.59| 7.3 4.3 2000 236 9 208 14| 3.4 0.5 3.9| 54.8 -4.8 50.0 25.0 0.51| 5.9 3.0 2500 244 9 213 14| 3.5 0.4 3.9| 64.1 -4.9 59.2 23.7 0.54| 5.8 3.1 3000 254 9 218 13| 3.4 0.3 3.7| 69.8 -4.9 64.8 21.6 0.54| 5.9 3.2 4000 287 10 243 10| 3.2 0.2 3.5| 75.5 -4.9 70.6 17.7 0.58| 5.1 3.0 5000 311 11 265 7| 2.2 0.2 2.4| 88.6 -4.9 83.7 16.7 0.63| 5.3 3.4 6000 324 10 277 5| 1.9 0.7 2.6| 94.4 -10.9 83.5 13.9 0.53| 5.7 3.1 Wrote GIF file: /home/apache/climate/data/raob//VEBS/skewt/VEBS.skewt.20250420.11.gif