UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 7 DEC 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 133 -22.5 -26.7 69 4.2 -22.9 275 1 250.4 250.5 250.0 251.6 0.43 1 1000 155 -22.3 -26.5 69 4.2 -22.7 275 1 250.9 250.9 250.4 252.0 0.44 2 937 639 -25.7 -30.0 67 4.3 -26.1 279 16 252.1 252.2 251.3 253.0 0.34 3 925 735 -24.3 -28.7 67 4.4 -24.7 280 19 254.5 254.5 253.4 255.5 0.39 4 910 852 -23.1 -27.2 69 4.1 -23.5 282 22 256.9 257.0 255.6 258.1 0.45 5 850 1339 -26.1 -29.4 74 3.3 -26.4 290 33 258.8 258.9 257.0 259.9 0.39 6 842 1407 -26.7 -29.8 75 3.1 -27.0 293 33 258.9 258.9 257.1 260.0 0.38 7 837 1451 -26.1 -29.3 74 3.2 -26.4 295 33 259.9 260.0 258.0 261.1 0.40 8 716 2578 -27.9 -30.8 76 2.9 -28.2 343 33 269.8 269.9 265.4 271.1 0.41 9 700 2740 -28.9 -32.0 75 3.1 -29.2 350 33 270.5 270.5 265.7 271.6 0.37 10 622 3576 -33.7 -38.3 63 4.6 -34.0 338 27 274.3 274.3 268.0 275.0 0.23 11 500 5070 -44.7 -48.8 63 4.1 -44.8 315 15 278.5 278.6 270.4 278.8 0.09 12 400 6530 -54.7 -58.8 60 4.1 -54.8 310 17 283.9 283.9 273.5 284.0 0.03 13 386 6757 -56.5 -60.3 62 3.8 -56.5 314 17 284.4 284.4 273.8 284.5 0.03 14 331 7720 -61.7 -65.5 60 3.8 -61.7 330 15 290.1 290.1 276.7 290.2 0.02 15 329 7758 -61.7 -65.5 60 3.8 -61.7 330 14 290.6 290.6 277.0 290.7 0.02 16 300 8330 -60.9 -64.7 61 3.8 -60.9 335 5 299.5 299.5 281.1 299.6 0.02 17 286 8627 -60.5 -64.4 60 3.9 -60.6 313 7 304.2 304.2 283.1 304.3 0.02 18 250 9470 -57.3 -61.5 59 4.2 -57.4 250 11 320.9 320.9 289.0 321.0 0.04 19 237 9810 -55.7 -59.8 60 4.1 -55.8 251 11 328.2 328.2 291.3 328.4 0.05 20 224 10173 -54.3 -58.9 57 4.6 -54.4 252 10 335.7 335.7 293.3 336.0 0.06 21 200 10900 -55.5 -60.5 54 5.0 -55.6 255 9 344.9 344.9 295.6 345.1 0.06 22 150 12740 -54.7 -62.7 37 8.0 -54.9 220 15 375.8 375.8 301.6 376.1 0.06 23 100 15320 -55.7 -67.7 21 12.0 -56.1 215 31 420.1 420.1 307.7 420.3 0.04 24 78 16902 -56.7 -69.7 18 13.0 -57.2 222 41 449.0 449.0 310.8 449.2 0.04 25 70 17590 -56.5 -70.5 16 14.0 -57.1 225 46 463.5 463.5 312.1 463.7 0.04 26 66 17966 -54.5 -69.5 14 15.0 -55.2 225 46 475.7 475.7 313.1 476.0 0.05 27 50 19720 -60.9 -76.9 10 16.0 -61.4 225 48 500.0 500.0 314.9 500.1 0.02 28 47 20103 -62.3 -78.3 10 16.0 -62.7 505.5 505.5 315.4 505.7 0.02 29 33 22295 -60.9 -77.9 9 17.0 -61.6 563.1 563.1 318.8 563.2 0.03 TRP 331 7720 -61.7 -65.5 60 3.8 -61.7 330 15 290.1 290.1 276.7 290.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4915.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 69.00 % Est. max temperature: -14.22 C = 6.40 F Sfc-Lift cond lev (LCL): 935.38 mb = 652.28 m = 2139.98 ft T: -25.51 C 700-500 lapse rate: 6.78 C/km ThetaE index: 0.00 C Layer 1003.0--230215357595645902848.0 mb Conv cond level (CCL): 644.24 mb = 3327.18 m = 10915.80 ft Mean mixing ratio: 0.40 g/kg Conv temperature: 0.24 C = 32.44 F Cap Strength: 18.02 C Lifted Index: 20.32 C Risk: None Lifted Index @300 mb: 32.36 C Lifted Index @700 mb: 15.32 C Showalter Index: 15.34 C Risk: None Total Totals Index: 33.90 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 15.30 C K Index: -13.90 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 4.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.65 J/kg Max Up Vert Vel: 7.16 m/s Conv Inhibition (B-): 48790.92 J/kg Cap Strength: 20.15 C Lift Cond Lev (LCL): 887.65 mb = 1029.56 m = 3377.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 352 at 18 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 133 275 1 1.0 -0.1 | 175 17 -1.5 17.3 1 1000 155 275 1 1.0 -0.1 | 175 17 -1.5 17.3 2 925 735 280 19 18.7 -3.3 | 229 21 16.2 14.0 3 850 1339 290 33 31.0 -11.3 | 258 29 28.5 6.1 4 700 2740 350 33 5.7 -32.5 | 348 15 3.2 -15.2 5 500 5070 315 15 10.6 -10.6 | 230 11 8.1 6.7 6 400 6530 310 17 13.0 -10.9 | 239 12 10.5 6.4 7 331 7720 330 15 7.5 -13.0 | 229 7 5.0 4.3 8 300 8330 335 5 2.1 -4.5 | 178 13 -0.4 12.8 9 250 9470 250 11 10.3 3.8 | 200 23 7.8 21.1 10 200 10900 255 9 8.7 2.3 | 197 21 6.2 19.7 11 150 12740 220 15 9.6 11.5 | 194 30 7.1 28.8 12 100 15320 215 31 17.8 25.4 | 200 45 15.3 42.7 13 70 17590 225 46 32.5 32.5 | 211 58 30.0 49.9 14 50 19720 225 48 33.9 33.9 | 211 60 31.4 51.3 Wind Parameters Mean winds (0-6000m): 321.7 at 23.4 knts Storm direction: 351.7 at 17.5 knts Shear (0-3000m) pos: 5.6 neg: 0.5 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 158.7 deg Storm rel helicity (0-3000m) pos: 335.6 neg: -12.5 tot: 323.0 m^2/s^2 ave: 107.7 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 12.2 stream: 9.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.58 Bulk Shear: 44.23 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 ------------------------------------------------------------------------------- 500 279 8 199 17| 15.3 0.0 15.3| 67.2 0.0 67.2 134.4 0.97| 15.3 14.8 1000 282 15 221 19| 14.0 0.0 14.0|134.2 0.0 134.2 134.2 0.92| 14.2 13.1 1500 288 21 238 20| 11.0 0.0 11.0|209.1 0.0 209.1 139.4 0.90| 13.7 12.3 2000 296 24 250 20| 8.3 0.0 8.3|272.2 0.0 272.2 136.1 0.89| 13.4 12.0 2500 306 26 263 19| 6.7 0.0 6.7|325.4 0.0 325.4 130.2 0.90| 13.3 12.0 3000 314 27 274 17| 5.6 0.5 6.1|335.6 -12.5 323.0 107.7 0.80| 12.2 9.8 4000 321 27 283 15| 4.2 1.7 5.9|335.6 -38.9 296.7 74.2 0.59| 10.5 6.2 5000 323 25 282 13| 3.4 2.2 5.6|335.6 -59.6 276.0 55.2 0.44| 9.3 4.1 6000 322 23 275 12| 2.8 1.8 4.6|339.0 -59.6 279.4 46.6 0.44| 7.9 3.5 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251207.12.gif