UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070812.upa.cvt Date: 1200Z 8 JUL 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 8 JUL 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 53 SFC 978 249 25.0 19.0 69 6.0 20.8 225 7 300.1 302.7 294.8 341.8 14.28 2 942 577 23.4 17.4 69 6.0 19.3 232 14 301.7 304.1 294.6 341.1 13.39 3 925 736 20.8 16.5 76 4.3 17.9 235 17 300.6 302.9 293.9 338.3 12.87 4 918 802 18.8 15.9 83 2.9 16.9 232 18 299.2 301.5 293.2 335.6 12.47 5 878 1183 15.8 14.2 90 1.6 14.8 216 23 299.9 302.0 292.8 334.1 11.67 6 862 1339 14.4 12.3 87 2.1 13.1 210 25 300.0 301.9 291.9 330.8 10.48 7 850 1458 14.4 12.3 87 2.1 13.1 205 27 301.2 303.2 292.4 332.6 10.63 8 769 2298 10.4 4.4 66 6.0 7.0 210 36 305.7 306.9 290.7 326.4 6.83 9 700 3074 5.2 3.5 89 1.7 4.2 215 44 308.2 309.6 291.6 329.8 7.05 10 660 3551 1.2 -0.8 86 2.0 0.2 215 44 309.0 310.0 290.5 325.9 5.47 11 652 3649 1.0 -1.0 86 2.0 -0.0 215 44 309.8 310.9 290.8 326.8 5.46 12 605 4248 -1.5 -12.5 43 11.0 -5.8 215 44 313.6 314.1 289.2 321.5 2.42 13 592 4420 -2.1 -12.1 46 10.0 -6.1 215 44 314.9 315.4 289.8 323.2 2.55 14 539 5155 -9.9 -15.9 61 6.0 -11.9 215 44 314.1 314.5 289.0 320.9 2.05 15 522 5402 -11.7 -27.7 25 16.0 -15.4 215 44 314.9 315.0 287.9 317.5 0.75 16 500 5730 -14.3 -25.3 39 11.0 -17.0 215 44 315.6 315.8 288.4 319.0 0.98 17 490 5882 -16.7 -26.7 42 10.0 -18.9 215 45 314.5 314.7 287.9 317.5 0.88 18 484 5974 -17.1 -27.1 42 10.0 -19.3 215 45 315.1 315.3 288.1 318.1 0.86 19 476 6099 -18.1 -41.1 11 23.0 -21.4 215 46 315.4 315.4 287.5 316.2 0.22 20 404 7308 -23.7 -53.7 5 30.0 -26.4 215 52 323.3 323.3 289.8 323.5 0.06 21 400 7380 -25.9 -54.9 5 29.0 -28.2 215 52 321.3 321.3 289.2 321.5 0.06 22 300 9370 -46.1 -69.1 6 23.0 -46.6 215 52 320.4 320.4 288.9 320.4 0.01 23 293 9527 -47.5 -69.5 6 22.0 -47.9 218 51 320.6 320.6 288.9 320.6 0.01 24 250 10570 -51.5 -73.5 6 22.0 -51.8 235 46 329.5 329.5 291.6 329.5 0.01 25 239 10862 -51.5 -73.5 6 22.0 -51.8 333.8 333.8 292.7 333.8 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5677.00 m Freezing level: 633.20 mb = 3888.39 m = 12757.02 ft Wetbulb zero: 653.33 mb = 3632.58 m = 11917.77 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 68.65 % Est. max temperature: 27.33 C = 81.19 F Sfc-Lift cond lev (LCL): 895.98 mb = 1009.44 m = 3311.78 ft T: 17.17 C 700-500 lapse rate: 7.34 C/km ThetaE index: 11.06 C Layer 942.0- 850.0 mb Conv cond level (CCL): 877.12 mb = 1191.46 m = 3908.93 ft Mean mixing ratio: 12.91 g/kg Conv temperature: 24.86 C = 76.75 F Cap Strength: -0.27 C Lifted Index: -6.76 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -10.90 C Lifted Index @700 mb: -1.91 C Showalter Index: -4.30 C Risk: Severe thunderstorms possible Total Totals Index: 55.30 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.70 C Cross Totals Index: 26.60 C K Index: 39.30 Risk: > 80 % chance of thunderstorms Sweat Index: 418.31 Risk: Severe Thunderstorms possible Energy Index: -2.71 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2115.87 J/kg Max Up Vert Vel: 65.05 m/s Conv Inhibition (B-): 10.31 J/kg Cap Strength: 1.35 C Lift Cond Lev (LCL): 872.64 mb = 1235.01 m = 4051.81 ft Lev Free Conv (LFC): 867.64 mb = 1283.82 m = 4211.96 ft Wind level data Storm motion: 245 at 28 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 ---------------------------------------------------------- 0 978 249 225 7 4.9 4.9 | 71 21 -20.1 -6.9 1 925 736 235 17 13.9 9.8 | 79 11 -11.1 -2.1 2 850 1458 205 27 11.4 24.5 | 133 19 -13.6 12.6 3 700 3074 215 44 25.2 36.0 | 181 24 0.2 24.1 4 500 5730 215 44 25.2 36.0 | 181 24 0.2 24.1 5 400 7380 215 52 29.8 42.6 | 189 31 4.8 30.7 6 300 9370 215 52 29.8 42.6 | 189 31 4.8 30.7 7 250 10570 235 46 37.7 26.4 | 221 19 12.7 14.5 Wind Parameters Mean winds (0-6000m): 214.6 at 36.9 knts Storm direction: 244.6 at 27.7 knts Shear (0-3000m) pos: 4.3 neg: 2.9 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 109.7 deg Storm rel helicity (0-3000m) pos: 140.1 neg: 0.0 tot: 140.1 m^2/s^2 ave: 46.7 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 5.3 10^-3/s Energy-Hel index: 1.20 Bulk Rich Number: 24.36 Bulk Shear: 86.87 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 ------------------------------------------------------------------------------- 500 232 12 74 16| 10.6 0.0 10.6| 11.2 0.0 11.2 22.4 0.25| 10.7 2.6 1000 226 16 88 13| 5.3 5.2 10.5| 38.6 0.0 38.6 38.6 0.56| 10.6 6.0 1500 217 20 108 14| 3.5 5.8 9.3| 63.4 0.0 63.4 42.2 0.59| 9.8 5.8 2000 214 23 121 14| 4.1 4.3 8.4| 91.0 0.0 91.0 45.5 0.66| 8.8 5.7 2500 213 26 133 15| 4.4 3.5 7.9|120.1 0.0 120.1 48.0 0.69| 8.2 5.7 3000 214 29 144 15| 4.3 2.9 7.2|140.1 0.0 140.1 46.7 0.71| 7.4 5.3 4000 214 33 156 17| 3.2 2.2 5.4|140.1 0.0 140.1 35.0 0.71| 5.6 4.0 5000 214 35 163 18| 2.6 1.7 4.3|140.1 0.0 140.1 28.0 0.71| 4.5 3.2 6000 215 37 168 19| 2.2 1.6 3.8|149.2 0.0 149.2 24.9 0.70| 3.9 2.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250708.12.gif