UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 9 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 1013 137 -38.5 -43.5 59 5.0 -38.7 0 0 233.8 233.8 233.7 234.0 0.08 1 1012 143 -38.7 -43.4 61 4.7 -38.8 357 0 233.7 233.7 233.6 233.9 0.08 2 1008 171 -32.7 -37.7 61 5.0 -32.9 343 0 239.9 239.9 239.7 240.3 0.15 3 1000 227 -30.3 -35.0 63 4.7 -30.6 315 1 242.9 242.9 242.6 243.4 0.20 4 998 241 -29.9 -34.7 63 4.8 -30.2 314 2 243.4 243.4 243.1 243.9 0.20 5 945 628 -32.3 -36.7 65 4.4 -32.5 293 16 244.8 244.8 244.3 245.3 0.17 6 925 780 -30.5 -34.7 67 4.2 -30.7 285 21 248.1 248.2 247.4 248.7 0.22 7 893 1032 -28.1 -32.5 66 4.4 -28.5 308 21 253.1 253.2 252.0 253.9 0.28 8 850 1386 -28.9 -33.9 62 5.0 -29.3 340 21 255.9 255.9 254.3 256.6 0.26 9 724 2530 -30.5 -34.5 68 4.0 -30.8 336 14 266.1 266.2 262.4 267.0 0.28 10 700 2769 -31.7 -35.5 69 3.8 -32.0 335 13 267.4 267.4 263.3 268.2 0.27 11 500 5060 -47.9 -52.0 63 4.1 -48.0 350 7 274.6 274.6 267.9 274.8 0.06 12 491 5180 -48.9 -53.0 62 4.1 -49.0 354 7 274.8 274.9 268.0 275.0 0.06 13 400 6510 -55.5 -59.4 62 3.9 -55.5 40 1 282.9 282.9 272.9 283.0 0.03 14 347 7407 -60.1 -64.1 59 4.0 -60.2 5 1 288.4 288.4 275.9 288.4 0.02 15 319 7930 -61.7 -65.6 60 3.9 -61.7 345 1 293.2 293.2 278.3 293.2 0.02 16 300 8310 -61.9 -65.9 59 4.0 -61.9 315 1 298.1 298.1 280.5 298.2 0.02 17 280 8735 -62.3 -66.4 58 4.1 -62.3 256 2 303.4 303.5 282.8 303.5 0.02 18 250 9440 -57.9 -62.2 58 4.3 -58.0 160 3 320.0 320.0 288.8 320.1 0.04 19 231 9941 -56.9 -61.1 59 4.2 -57.0 190 3 328.8 328.8 291.5 329.0 0.04 20 228 10024 -56.1 -60.2 60 4.1 -56.2 195 3 331.3 331.3 292.1 331.5 0.05 21 200 10860 -55.9 -60.6 56 4.7 -56.0 245 3 344.2 344.3 295.4 344.5 0.05 22 150 12690 -54.3 -61.3 42 7.0 -54.5 235 11 376.5 376.5 301.7 376.8 0.07 23 118 14230 -53.9 -62.9 32 9.0 -54.2 235 17 404.0 404.0 305.8 404.3 0.07 24 100 15290 -55.3 -66.3 24 11.0 -55.7 235 21 420.9 420.9 307.9 421.1 0.05 25 75 17116 -57.1 -70.1 18 13.0 -57.6 231 33 453.2 453.2 311.2 453.4 0.04 26 70 17550 -59.1 -72.1 17 13.0 -59.5 230 36 457.9 458.0 311.6 458.1 0.03 27 58 18719 -62.3 -76.3 14 14.0 -62.6 222 43 476.0 476.0 313.1 476.1 0.02 28 50 19640 -60.3 -74.3 14 14.0 -60.8 215 48 501.4 501.4 315.1 501.6 0.03 29 48 19895 -58.7 -73.7 13 15.0 -59.3 215 49 511.1 511.1 315.7 511.3 0.04 30 35 21867 -60.9 -76.9 10 16.0 -61.6 215 56 553.7 553.7 318.3 553.9 0.03 31 32 22430 -55.9 -72.9 10 17.0 -57.1 215 58 581.4 581.4 319.8 581.9 0.06 32 30 22840 -56.1 -73.1 10 17.0 -57.4 215 60 591.7 591.7 320.2 592.2 0.06 33 28 23281 -54.5 -72.5 9 18.0 -56.1 215 63 607.9 608.0 321.0 608.5 0.08 34 25 24002 -57.5 -74.5 10 17.0 -58.8 215 69 619.4 619.4 321.5 619.8 0.06 35 23 24533 -53.9 -72.9 8 19.0 -55.9 215 72 644.9 644.9 322.5 645.6 0.09 36 20 25430 -54.5 -73.5 8 19.0 -56.6 215 79 669.4 669.4 323.4 670.1 0.09 37 19 25758 -55.3 -74.3 8 19.0 -57.4 676.8 676.8 323.7 677.5 0.09 38 18 26105 -52.5 -72.5 7 20.0 -55.3 696.1 696.2 324.3 697.2 0.12 39 14 27718 -55.7 -75.7 7 20.0 -58.3 737.2 737.2 325.6 738.0 0.09 40 12 28713 -49.6 -70.8 7 21.3 -54.3 220 104 792.1 792.2 327.1 794.4 0.23 41 11 29288 -46.1 -68.1 7 22.0 -52.4 824.7 824.9 327.9 828.4 0.36 TRP 319 7930 -61.7 -65.6 60 3.9 -61.7 345 1 293.2 293.2 278.3 293.2 0.02 WND 12 28713 -49.6 -70.8 7 21.3 -54.3 220 104 792.1 792.2 327.1 794.4 0.23 Sounding variables and indices 1000-500 mb thick: 4833.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 65.38 % Est. max temperature: -17.19 C = 1.06 F Sfc-Lift cond lev (LCL): 928.11 mb = 756.21 m = 2480.96 ft T: -30.78 C 700-500 lapse rate: 7.07 C/km ThetaE index: 0.13 C Layer 1012.0-1008.0 mb Conv cond level (CCL): 1012.00 mb = 143.43 m = 470.56 ft Mean mixing ratio: 0.19 g/kg Conv temperature: -35.09 C = -31.16 F Cap Strength: 20.25 C Lifted Index: 24.21 C Risk: None Lifted Index @300 mb: 37.54 C Lifted Index @700 mb: 20.25 C Showalter Index: 14.83 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 14.00 C K Index: -18.70 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.09 J/kg Max Up Vert Vel: 7.50 m/s Conv Inhibition (B-): 79133.70 J/kg Cap Strength: 24.19 C Lift Cond Lev (LCL): 892.27 mb = 1037.71 m = 3404.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 2 at 9 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 1013 137 0 0 -0.0 -0.0 | 182 9 0.3 8.7 1 1000 227 315 1 0.7 -0.7 | 187 8 1.0 8.0 2 925 780 285 21 20.3 -5.4 | 261 21 20.6 3.3 3 850 1386 340 21 7.2 -19.7 | 326 13 7.5 -11.0 4 700 2769 335 13 5.5 -11.8 | 298 7 5.8 -3.1 5 500 5060 350 7 1.2 -6.9 | 220 2 1.5 1.8 6 400 6510 40 1 -0.6 -0.8 | 178 8 -0.3 7.9 7 319 7930 345 1 0.3 -1.0 | 184 8 0.6 7.7 8 300 8310 315 1 0.7 -0.7 | 187 8 1.0 8.0 9 250 9440 160 3 -1.0 2.8 | 177 12 -0.7 11.5 10 200 10860 245 3 2.7 1.3 | 197 10 3.1 10.0 11 150 12690 235 11 9.0 6.3 | 212 18 9.3 15.0 12 100 15290 235 21 17.2 12.0 | 220 27 17.5 20.8 13 70 17550 230 36 27.6 23.1 | 221 42 27.9 31.8 14 50 19640 215 48 27.5 39.3 | 210 56 27.9 48.0 15 30 22840 215 60 34.4 49.1 | 211 67 34.7 57.9 16 20 25430 215 79 45.3 64.7 | 212 86 45.6 73.4 Wind Parameters Mean winds (0-6000m): 332.2 at 11.6 knts Storm direction: 2.2 at 8.7 knts Shear (0-3000m) pos: 2.4 neg: 2.3 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 113.7 deg Storm rel helicity (0-3000m) pos: 107.7 neg: -11.2 tot: 96.5 m^2/s^2 ave: 32.2 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 4.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.81 Bulk Shear: 7.38 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 ------------------------------------------------------------------------------- 500 294 7 229 9| 0.0 16.3 16.3| 25.5 0.0 25.5 50.9 0.70| 16.8 11.8 1000 294 14 256 13| 4.8 8.1 12.9| 78.3 0.0 78.3 78.3 0.70| 16.5 11.5 1500 311 16 278 12| 4.9 5.4 10.3|107.7 -1.8 105.9 70.6 0.71| 14.3 10.1 2000 319 16 288 12| 3.7 3.7 7.4|107.7 -6.1 101.6 50.8 0.63| 11.5 7.2 2500 323 16 293 11| 2.9 2.7 5.7|107.7 -9.9 97.8 39.1 0.55| 9.8 5.4 3000 325 16 294 10| 2.4 2.3 4.7|107.7 -11.2 96.5 32.2 0.52| 8.5 4.4 4000 328 14 294 9| 1.8 1.7 3.5|107.7 -12.6 95.2 23.8 0.47| 6.7 3.1 5000 330 13 291 7| 1.4 1.4 2.8|107.7 -14.3 93.4 18.7 0.39| 5.7 2.2 6000 332 12 285 6| 1.3 1.1 2.4|107.9 -16.0 92.0 15.3 0.33| 5.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251209.12.gif