UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025052023.upa.cvt Date: 2300Z 20 MAY 25 Searching for VECC... Searching the city database file for: VECC ... Date:2300Z 20 MAY 25 Station: VECC WMO ident: 42809 Latitude: 22.65 Longitude: 88.45 Elevation: 6.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1003 6 28.8 26.3 86 2.5 26.9 0 0 301.7 305.7 299.9 366.7 21.95 1 1000 35 29.2 25.2 79 4.0 26.2 225 5 302.4 306.1 299.4 363.4 20.58 2 925 726 25.0 22.1 84 2.9 22.9 210 20 304.9 308.3 298.7 359.9 18.40 3 850 1472 23.4 13.4 53 10.0 16.7 210 7 310.7 312.8 295.7 345.7 11.44 4 700 3140 11.8 8.0 78 3.8 9.4 345 15 315.6 317.4 295.7 345.8 9.67 5 500 5870 -3.7 -8.4 70 4.7 -5.9 260 22 328.5 329.3 294.8 342.2 4.06 6 400 7600 -12.7 -45.7 4 33.0 -18.3 260 26 338.5 338.5 294.1 339.1 0.16 7 300 9740 -26.7 -54.7 5 28.0 -29.5 260 29 347.8 347.8 296.2 348.1 0.08 8 250 11030 -36.7 -47.7 31 11.0 -37.7 245 20 351.5 351.5 297.1 352.4 0.21 9 200 12530 -48.7 -58.7 30 10.0 -49.1 240 15 355.7 355.7 297.9 356.0 0.07 10 150 14360 -64.1 -71.1 38 7.0 -64.2 265 18 359.7 359.7 298.7 359.7 0.02 11 100 16740 -79.5 -85.5 36 6.0 -79.5 265 14 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5835.00 m Freezing level: 547.74 mb = 5218.32 m = 17120.27 ft Wetbulb zero: 577.14 mb = 4705.94 m = 15439.26 ft Precipitable water: 2.30 inches Sfc-500 mean rel hum: 71.69 % Est. max temperature: 37.53 C = 99.56 F Sfc-Lift cond lev (LCL): 967.90 mb = 324.20 m = 1063.64 ft T: 27.44 C 700-500 lapse rate: 5.68 C/km ThetaE index: 21.07 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 809.57 mb = 1890.66 m = 6202.89 ft Mean mixing ratio: 19.03 g/kg Conv temperature: 39.04 C = 102.27 F Cap Strength: 3.22 C Lifted Index: -4.36 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.87 C Lifted Index @700 mb: -1.58 C Showalter Index: 0.85 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 17.10 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 196.80 Risk: None Energy Index: -0.67 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1460.85 J/kg Max Up Vert Vel: 54.05 m/s Conv Inhibition (B-): 118.08 J/kg Cap Strength: 3.10 C Lift Cond Lev (LCL): 905.07 mb = 918.15 m = 3012.27 ft Lev Free Conv (LFC): 740.07 mb = 2661.76 m = 8732.72 ft Equ Level (EL): 140.07 mb = 14761.98 m = 48431.09 ft B at Equ Level: 1444.07 J/kg Wind level data Storm motion: 314 at 11 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 1003 6 0 0 -0.0 -0.0 | 134 11 -7.6 7.4 1 1000 35 225 5 3.5 3.5 | 160 12 -4.1 10.9 2 970 305 210 13 6.5 11.3 | 177 19 -1.1 18.6 3 925 726 210 20 10.0 17.3 | 186 25 2.4 24.7 4 875 1219 215 15 8.6 12.3 | 183 20 1.0 19.7 5 850 1472 210 7 3.5 6.1 | 163 14 -4.1 13.4 6 845 1524 210 6 3.0 5.2 | 160 13 -4.6 12.6 7 733 2743 350 8 1.4 -7.9 | 85 6 -6.2 -0.5 8 708 3048 350 13 2.3 -12.8 | 45 8 -5.3 -5.4 9 700 3140 345 15 3.9 -14.5 | 28 8 -3.7 -7.1 10 609 4267 325 14 8.0 -11.5 | 354 4 0.4 -4.1 11 565 4877 295 21 19.0 -8.9 | 278 12 11.4 -1.5 12 505 5791 265 19 18.9 1.7 | 231 14 11.3 9.0 13 500 5870 260 22 21.7 3.8 | 231 18 14.1 11.2 14 415 7315 275 25 24.9 -2.2 | 253 18 17.3 5.2 15 400 7600 260 26 25.6 4.5 | 237 22 18.0 11.9 16 368 8230 265 27 26.9 2.4 | 243 22 19.3 9.7 17 339 8839 255 29 28.0 7.5 | 234 25 20.4 14.9 18 312 9449 250 28 26.3 9.6 | 228 25 18.7 16.9 19 300 9740 260 29 28.6 5.0 | 239 24 21.0 12.4 20 299 9754 255 29 28.0 7.5 | 234 25 20.4 14.9 21 275 10363 250 28 26.3 9.6 | 228 25 18.7 16.9 22 250 11030 245 20 18.1 8.5 | 214 19 10.5 15.8 23 200 12530 240 15 13.0 7.5 | 200 16 5.4 14.9 24 174 13411 245 16 14.5 6.8 | 206 16 6.9 14.1 25 158 14021 230 16 12.3 10.3 | 195 18 4.7 17.7 26 150 14360 265 18 17.9 1.6 | 229 14 10.3 8.9 27 143 14630 270 19 19.0 -0.0 | 237 14 11.4 7.4 28 123 15545 245 15 13.6 6.3 | 204 15 6.0 13.7 29 110 16154 260 9 8.9 1.6 | 188 9 1.3 8.9 30 105 16459 245 15 13.6 6.3 | 204 15 6.0 13.7 31 100 16740 265 14 13.9 1.2 | 216 11 6.3 8.6 Wind Parameters Mean winds (0-6000m): 284.1 at 14.1 knts Storm direction: 314.1 at 10.6 knts Shear (0-3000m) pos: 3.0 neg: 1.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): -85.1 deg Storm rel helicity (0-3000m) pos: 56.1 neg: -45.3 tot: 10.8 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: -0.04 Storm rel vorticity (0-3000m) horiz: 9.4 stream: -0.4 10^-3/s Energy-Hel index: 0.51 Bulk Rich Number: 49.37 Bulk Shear: 29.59 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 ------------------------------------------------------------------------------- 500 212 11 174 17| 0.0 16.8 16.8| 39.2 0.0 39.2 78.5 0.66| 17.3 11.4 1000 211 15 180 20| 0.6 8.4 9.0| 48.6 -2.1 46.5 46.5 0.54| 11.7 6.3 1500 212 14 179 19| 0.4 1.9 2.3| 48.6 -32.3 16.3 10.9 0.16| 11.6 1.9 2000 215 12 178 17| 1.7 1.4 3.2| 56.1 -32.3 23.9 11.9 0.20| 10.3 2.0 2500 220 11 179 16| 2.4 1.2 3.5| 56.1 -36.1 20.0 8.0 0.09| 9.7 0.8 3000 227 11 181 15| 3.0 1.0 3.9| 56.1 -45.3 10.8 3.6 -0.04| 9.4 -0.4 4000 272 12 211 8| 2.2 1.1 3.4| 56.1 -55.3 0.9 0.2 -0.12| 7.9 -1.0 5000 290 13 236 5| 1.8 2.2 4.0| 56.1 -77.2 -21.1 -4.2 -0.24| 7.8 -1.9 6000 284 14 237 7| 1.5 2.6 4.1| 58.8-106.9 -48.1 -8.0 -0.30| 7.6 -2.3 Wrote GIF file: /home/apache/climate/data/raob//VECC/skewt/VECC.skewt.20250520.23.gif