UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070312.upa.cvt Date: 1200Z 3 JUL 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 3 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 137 SFC 988 243 26.8 15.8 51 11.0 19.4 270 7 301.0 303.1 293.0 334.8 11.50 2 982 297 25.2 13.2 47 12.0 17.5 271 7 299.9 301.7 291.3 328.5 9.75 3 968 423 27.2 16.2 51 11.0 19.7 275 8 303.2 305.4 294.0 338.9 12.05 4 928 792 21.8 10.8 50 11.0 14.9 284 11 301.3 302.9 291.0 327.3 8.79 5 925 820 21.4 10.4 49 11.0 14.6 285 11 301.2 302.8 290.7 326.6 8.59 6 850 1543 14.0 3.0 47 11.0 8.0 295 11 300.8 301.8 287.9 317.5 5.59 7 823 1813 10.4 0.4 50 10.0 5.3 304 11 299.8 300.7 286.8 314.1 4.78 8 799 2060 11.6 1.6 50 10.0 6.3 313 12 303.6 304.6 288.7 319.9 5.38 9 700 3153 5.6 -4.4 49 10.0 0.8 350 13 308.7 309.4 289.0 321.0 3.94 10 666 3557 3.4 -5.6 52 9.0 -0.8 345 15 310.6 311.4 289.5 322.6 3.78 11 604 4339 -2.7 335 18 312.4 12 552 5049 -4.3 325 21 318.7 13 500 5820 -9.1 315 25 321.9 14 400 7510 -22.3 310 27 326.0 15 358 8317 -27.3 312 26 329.8 16 300 9560 -38.5 315 25 331.1 17 298 9605 -39.3 315 25 330.6 18 251 10754 -46.3 320 29 336.8 19 250 10780 -46.9 320 29 336.3 20 232 11274 -51.7 320 35 336.3 21 200 12240 -53.1 330 35 348.7 22 186 12705 -54.7 333 34 353.4 23 164 13514 -51.5 337 32 371.7 24 150 14090 -52.7 340 31 379.3 25 143 14398 -53.5 383.1 TRP 232 11274 -51.7 320 35 336.3 WND Sounding variables and indices 1000-500 mb thick: 5683.00 m Freezing level: 631.44 mb = 3992.89 m = 13099.86 ft Wetbulb zero: 682.59 mb = 3357.48 m = 11015.24 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 49.34 % Est. max temperature: 26.18 C = 79.13 F Sfc-Lift cond lev (LCL): 841.32 mb = 1628.95 m = 5344.27 ft T: 12.85 C 700-500 lapse rate: 5.51 C/km ThetaE index: 24.78 C Layer 928.0- 799.0 mb Conv cond level (CCL): 748.53 mb = 2599.04 m = 8526.94 ft Mean mixing ratio: 9.44 g/kg Conv temperature: 31.92 C = 89.46 F Cap Strength: 2.30 C Lifted Index: 2.36 C Risk: None Lifted Index @300 mb: 2.09 C Lifted Index @700 mb: 1.48 C Showalter Index: 8.69 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 12.10 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 83.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.38 J/kg Max Up Vert Vel: 7.53 m/s Conv Inhibition (B-): 108.32 J/kg Cap Strength: 2.34 C Lift Cond Lev (LCL): 798.24 mb = 2067.72 m = 6783.77 ft Lev Free Conv (LFC): 613.24 mb = 4217.37 m = 13836.33 ft Equ Level (EL): 593.24 mb = 4480.57 m = 14699.84 ft B at Equ Level: 27.49 J/kg Max Parcel Lev (MPL): 553.24 mb = 5031.12 m = 16506.11 ft Wind level data Storm motion: 350 at 12 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 ---------------------------------------------------------- 0 988 243 270 7 7.0 -0.0 | 203 13 4.9 11.6 1 925 820 285 11 10.6 -2.8 | 224 12 8.5 8.8 2 850 1543 295 11 10.0 -4.6 | 228 10 7.8 7.0 3 700 3153 350 13 2.3 -12.8 | 354 1 0.1 -1.2 4 500 5820 315 25 17.7 -17.7 | 291 17 15.6 -6.1 5 400 7510 310 27 20.7 -17.4 | 287 19 18.6 -5.7 6 300 9560 315 25 17.7 -17.7 | 291 17 15.6 -6.1 7 250 10780 320 29 18.6 -22.2 | 303 20 16.5 -10.6 8 232 11274 320 35 22.5 -26.8 | 307 25 20.4 -15.2 9 200 12240 330 35 17.5 -30.3 | 321 24 15.4 -18.7 10 150 14090 340 31 10.6 -29.1 | 334 19 8.5 -17.5 Wind Parameters Mean winds (0-6000m): 319.6 at 15.8 knts Storm direction: 349.6 at 11.8 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 140.0 deg Storm rel helicity (0-3000m) pos: 26.1 neg: -0.1 tot: 26.0 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.81 Bulk Shear: 15.64 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 ------------------------------------------------------------------------------- 500 278 9 212 12| 4.1 0.0 4.1| 13.1 0.0 13.1 26.3 1.00| 4.1 4.1 1000 283 10 219 12| 2.6 0.0 2.6| 16.8 0.0 16.8 16.8 0.90| 3.0 2.6 1500 288 10 222 11| 2.2 0.0 2.2| 19.7 0.0 19.7 13.1 0.79| 2.7 2.1 2000 294 11 226 11| 2.3 0.0 2.3| 23.1 0.0 23.1 11.6 0.69| 2.9 2.0 2500 302 11 230 9| 2.4 0.0 2.4| 25.1 0.0 25.1 10.0 0.63| 3.1 1.9 3000 310 11 236 8| 2.4 0.0 2.4| 26.1 -0.1 26.0 8.7 0.62| 3.2 2.0 4000 320 12 250 6| 1.8 0.7 2.5| 26.1 -2.1 24.0 6.0 0.40| 3.1 1.3 5000 322 14 265 6| 1.4 1.2 2.7| 26.1 -8.4 17.6 3.5 0.24| 3.2 0.8 6000 320 16 273 8| 1.2 1.4 2.6| 26.1 -16.9 9.2 1.5 0.15| 3.1 0.5 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250703.12.gif