UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 19 OCT 25 Station: U4122 WMO ident: 24122 ------------------------------------------------------------------------------- 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 1006 205 -5.5 -13.5 53 8.0 -7.5 320 3 267.2 267.4 265.3 270.9 1.34 1 1000 252 -4.7 -13.7 49 9.0 -7.1 310 5 268.5 268.7 266.1 272.1 1.32 2 969 500 -3.1 -14.1 42 11.0 -6.1 324 11 272.5 272.7 268.8 276.2 1.32 3 925 867 -3.9 -17.9 33 14.0 -7.4 345 19 275.3 275.5 270.1 278.3 1.01 4 915 953 -4.1 -22.1 23 18.0 -8.1 342 20 276.0 276.1 269.9 278.1 0.71 5 891 1162 -4.9 -22.9 23 18.0 -8.8 334 22 277.3 277.4 270.7 279.3 0.68 6 850 1530 -7.1 -24.1 24 17.0 -10.6 320 25 278.7 278.8 271.5 280.6 0.64 7 818 1828 -9.3 -24.3 28 15.0 -12.3 319 26 279.5 279.6 272.0 281.4 0.65 8 744 2561 -10.5 -32.5 15 22.0 -14.1 317 29 285.8 285.9 275.0 286.9 0.33 9 700 3029 -12.9 -35.9 13 23.0 -16.3 315 31 288.2 288.2 276.2 289.0 0.25 10 571 4550 -21.1 -46.1 9 25.0 -23.5 321 32 295.9 295.9 279.7 296.2 0.11 11 500 5510 -29.1 -51.1 10 22.0 -30.5 325 33 297.6 297.6 280.4 297.8 0.07 12 453 6209 -34.7 -60.7 5 26.0 -35.7 323 33 299.1 299.1 281.0 299.1 0.02 13 400 7070 -40.5 -66.5 4 26.0 -41.2 320 33 302.4 302.4 282.3 302.4 0.01 14 300 8970 -52.7 -75.7 5 23.0 -52.9 325 25 311.1 311.1 285.7 311.1 0.00 15 256 9982 -60.3 -82.3 4 22.0 -60.4 329 22 314.3 314.3 286.8 314.3 0.00 16 250 10130 -60.7 -82.7 4 22.0 -60.8 330 21 315.8 315.8 287.3 315.8 0.00 17 232 10595 -61.7 -83.7 4 22.0 -61.8 321.1 321.1 289.1 321.1 0.00 18 200 11520 -60.3 -82.3 4 22.0 -60.4 337.3 337.3 293.6 337.3 0.00 19 191 11807 -59.9 -81.9 4 22.0 -60.0 342.4 342.4 294.9 342.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5258.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 18.33 % Est. max temperature: 5.82 C = 42.47 F Sfc-Lift cond lev (LCL): 885.83 mb = 1207.11 m = 3960.30 ft T: -5.17 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.18 C Layer 915.0- 891.0 mb Conv cond level (CCL): 560.39 mb = 4685.18 m = 15371.14 ft Mean mixing ratio: 1.15 g/kg Conv temperature: 23.47 C = 74.25 F Cap Strength: 17.38 C Lifted Index: 17.81 C Risk: None Lifted Index @300 mb: 24.74 C Lifted Index @700 mb: 12.63 C Showalter Index: 14.30 C Risk: None Total Totals Index: 27.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 5.00 C K Index: -25.10 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.91 J/kg Max Up Vert Vel: 7.86 m/s Conv Inhibition (B-): 8816.42 J/kg Cap Strength: 17.80 C Lift Cond Lev (LCL): 786.77 mb = 2129.32 m = 6985.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 at 21 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 1006 205 320 3 1.9 -2.3 | 176 18 -1.1 18.4 1 1000 252 310 5 3.8 -3.2 | 182 17 0.8 17.5 2 925 867 345 19 4.9 -18.4 | 218 3 1.8 2.3 3 850 1530 320 25 16.1 -19.2 | 263 13 13.0 1.5 4 700 3029 315 31 21.9 -21.9 | 274 19 18.8 -1.2 5 500 5510 325 33 18.9 -27.0 | 292 17 15.9 -6.3 6 400 7070 320 33 21.2 -25.3 | 284 19 18.1 -4.6 7 300 8970 325 25 14.3 -20.5 | 269 11 11.3 0.2 8 250 10130 330 21 10.5 -18.2 | 251 8 7.4 2.5 Wind Parameters Mean winds (0-6000m): 321.5 at 27.9 knts Storm direction: 351.5 at 20.9 knts Shear (0-3000m) pos: 2.1 neg: 3.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 98.5 deg Storm rel helicity (0-3000m) pos: 46.0 neg: -0.1 tot: 45.9 m^2/s^2 ave: 15.3 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.69 Bulk Shear: 44.99 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 ------------------------------------------------------------------------------- 500 329 10 189 13| 12.8 0.0 12.8| 26.4 0.0 26.4 52.9 0.52| 13.7 7.2 1000 338 14 198 8| 6.4 3.5 9.9| 31.7 0.0 31.7 31.7 0.49| 11.8 5.8 1500 331 18 227 8| 4.3 4.1 8.3| 34.1 -0.1 33.9 22.6 0.41| 10.1 4.2 2000 327 20 243 9| 3.2 3.6 6.8| 38.2 -0.1 38.1 19.0 0.42| 8.1 3.4 2500 324 22 252 10| 2.6 3.3 5.9| 42.0 -0.1 41.8 16.7 0.42| 7.0 2.9 3000 322 23 258 11| 2.1 3.0 5.1| 46.0 -0.1 45.9 15.3 0.42| 6.1 2.6 4000 321 25 265 13| 1.8 2.3 4.1| 56.8 -0.1 56.7 14.2 0.45| 4.9 2.2 5000 321 27 270 14| 1.6 1.8 3.4| 67.6 -0.1 67.5 13.5 0.48| 4.2 2.0 6000 322 28 275 14| 1.4 1.5 2.9| 70.8 -5.0 65.9 11.0 0.45| 3.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251019.12.gif