UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122600.upa.cvt Date: 0000Z 26 DEC 25 Searching for U7713... Searching the city database file for: U7713 ... Date:0000Z 26 DEC 25 Station: U7713 WMO ident: 27713 ------------------------------------------------------------------------------- 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 -25 SFC 973 194 -0.3 -2.2 87 1.9 -1.0 270 7 275.0 275.6 273.5 284.1 3.34 2 925 597 -2.7 -4.0 91 1.3 -3.2 295 29 276.5 277.1 274.0 285.0 3.07 3 850 1263 -5.9 -7.4 89 1.5 -6.4 335 42 280.0 280.4 275.2 287.3 2.58 4 703 2729 -14.1 -16.0 85 1.9 -14.6 335 35 286.5 286.8 277.2 291.2 1.56 5 700 2761 -14.5 -16.4 85 1.9 -15.0 335 35 286.4 286.7 277.1 290.9 1.51 6 540 4680 -27.1 -29.4 81 2.3 -27.4 293 27 293.5 293.6 279.3 295.5 0.62 7 500 5230 -31.3 -33.7 79 2.4 -31.6 280 25 294.9 295.0 279.7 296.3 0.44 8 436 6177 -40.1 -42.8 75 2.7 -40.2 277 33 295.5 295.5 279.6 296.2 0.20 9 400 6760 -42.3 -45.2 73 2.9 -42.5 275 38 300.0 300.0 281.6 300.6 0.17 10 300 8690 -46.9 -52.9 50 6.0 -47.1 320 35 319.3 319.3 288.6 319.6 0.09 11 255 9752 -50.5 -57.5 43 7.0 -50.7 330 35 329.1 329.1 291.5 329.4 0.06 12 250 9880 -50.3 -57.3 43 7.0 -50.5 330 35 331.3 331.3 292.2 331.6 0.07 13 201 11307 -49.7 -58.7 34 9.0 -50.0 340 44 353.6 353.6 297.4 353.9 0.07 14 200 11340 -49.9 -58.9 34 9.0 -50.2 340 44 353.8 353.8 297.5 354.0 0.07 15 150 13200 -53.9 -63.9 28 10.0 -54.2 350 44 377.2 377.2 301.8 377.4 0.05 16 100 15770 -60.3 -70.3 26 10.0 -60.5 5 50 411.2 411.2 306.7 411.4 0.03 17 76 17459 -65.1 -75.1 24 10.0 -65.3 353 47 434.8 434.8 309.3 434.9 0.02 18 70 17960 -65.1 -76.1 20 11.0 -65.3 350 46 445.1 445.1 310.4 445.2 0.02 19 54 19538 -66.7 -77.7 20 11.0 -66.9 2 52 475.7 475.7 313.1 475.8 0.02 20 50 20000 -70.1 -81.1 18 11.0 -70.2 5 54 478.3 478.3 313.3 478.4 0.01 21 45 20625 -71.3 -82.3 18 11.0 -71.4 490.0 490.0 314.2 490.1 0.01 TRP 255 9752 -50.5 -57.5 43 7.0 -50.7 330 35 329.1 329.1 291.5 329.4 0.06 WND Sounding variables and indices 1000-500 mb thick: 5255.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.37 inches Sfc-500 mean rel hum: 85.26 % Est. max temperature: 5.75 C = 42.34 F Sfc-Lift cond lev (LCL): 944.44 mb = 431.29 m = 1414.99 ft T: -1.71 C 700-500 lapse rate: 6.80 C/km ThetaE index: 0.22 C Layer 700.0- 540.0 mb Conv cond level (CCL): 872.27 mb = 1059.34 m = 3475.48 ft Mean mixing ratio: 3.04 g/kg Conv temperature: 3.60 C = 38.47 F Cap Strength: 7.86 C Lifted Index: 8.55 C Risk: None Lifted Index @300 mb: 24.15 C Lifted Index @700 mb: 4.35 C Showalter Index: 7.00 C Risk: None Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 23.90 C K Index: 16.10 Risk: < 20 % chance of thunderstorms Sweat Index: 115.00 Risk: None Energy Index: 1.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.95 J/kg Max Up Vert Vel: 5.47 m/s Conv Inhibition (B-): 31589.82 J/kg Cap Strength: 8.53 C Lift Cond Lev (LCL): 900.59 mb = 807.62 m = 2649.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 344 at 24 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 ---------------------------------------------------------- 0 973 194 270 7 7.0 -0.0 | 181 23 0.5 22.9 1 925 597 295 29 26.3 -12.3 | 242 22 19.7 10.6 2 850 1263 335 42 17.7 -38.1 | 324 19 11.2 -15.2 3 700 2761 335 35 14.8 -31.7 | 317 12 8.3 -8.8 4 500 5230 280 25 24.6 -4.3 | 224 26 18.1 18.5 5 400 6760 275 38 37.9 -3.3 | 238 37 31.3 19.6 6 300 8690 320 35 22.5 -26.8 | 284 16 16.0 -3.9 7 255 9752 330 35 17.5 -30.3 | 304 13 11.0 -7.4 8 250 9880 330 35 17.5 -30.3 | 304 13 11.0 -7.4 9 200 11340 340 44 15.0 -41.3 | 335 20 8.5 -18.5 10 150 13200 350 44 7.6 -43.3 | 357 20 1.1 -20.4 11 100 15770 5 50 -4.4 -49.8 | 22 29 -10.9 -26.9 12 70 17960 350 46 8.0 -45.3 | 356 22 1.4 -22.4 13 50 20000 5 54 -4.7 -53.8 | 20 33 -11.2 -30.9 Wind Parameters Mean winds (0-6000m): 314.1 at 31.7 knts Storm direction: 344.1 at 23.8 knts Shear (0-3000m) pos: 6.4 neg: 1.6 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 108.7 deg Storm rel helicity (0-3000m) pos: 274.5 neg: -26.3 tot: 248.3 m^2/s^2 ave: 82.8 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 11.0 stream: 7.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.51 Bulk Shear: 29.36 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 ------------------------------------------------------------------------------- 500 292 20 219 19| 25.9 0.0 25.9|155.7 0.0 155.7 311.4 0.99| 27.9 27.6 1000 309 28 251 16| 19.4 0.0 19.4|259.0 0.0 259.0 259.0 0.99| 24.8 24.5 1500 320 32 278 14| 12.9 0.0 12.9|274.5 -1.9 272.7 181.8 0.94| 18.3 17.3 2000 325 34 291 14| 9.7 0.6 10.3|274.5 -4.2 270.4 135.2 0.90| 14.3 12.8 2500 327 35 297 14| 7.7 1.0 8.7|274.5 -6.5 268.0 107.2 0.85| 11.9 10.1 3000 328 35 298 13| 6.4 1.6 8.0|274.5 -26.3 248.3 82.8 0.67| 11.0 7.4 4000 325 34 291 14| 4.8 2.8 7.6|274.5 -73.2 201.3 50.3 0.42| 9.9 4.1 5000 321 32 279 14| 3.9 3.3 7.2|274.5-128.4 146.1 29.2 0.26| 9.1 2.3 6000 314 32 267 16| 3.2 3.1 6.3|311.0-128.4 182.6 30.4 0.28| 8.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251226.00.gif