UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for U7713... Searching the city database file for: U7713 ... Date:1200Z 19 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 ------------------------------------------------------------------------------- SFC 1001 192 -0.7 -3.4 82 2.7 -1.7 305 1 272.4 272.9 271.4 280.4 2.97 1 1000 200 -1.3 -4.5 79 3.2 -2.4 305 1 271.9 272.3 270.7 279.3 2.73 2 987 304 -2.9 -6.0 79 3.1 -4.0 308 4 271.3 271.7 269.9 278.0 2.47 3 963 499 -3.5 -6.0 83 2.5 -4.4 312 9 272.6 273.0 270.8 279.5 2.53 4 954 574 5.2 0.8 73 4.4 3.2 314 11 282.1 282.9 278.6 294.0 4.25 5 925 826 4.8 0.6 74 4.2 2.9 320 17 284.2 285.0 279.7 296.4 4.32 6 922 852 4.6 0.2 73 4.4 2.6 319 17 284.3 285.0 279.6 296.1 4.21 7 865 1367 -0.5 -3.7 79 3.2 -1.8 308 20 284.2 284.8 278.5 293.8 3.36 8 850 1507 -1.3 -3.9 82 2.6 -2.3 305 21 284.8 285.4 278.8 294.4 3.37 9 834 1659 0.0 -4.9 70 4.9 -2.0 306 22 287.7 288.3 280.0 296.9 3.18 10 780 2190 -4.7 -9.4 70 4.7 -6.3 309 24 288.2 288.6 279.2 295.3 2.40 11 747 2530 -5.7 -10.6 68 4.9 -7.4 312 25 290.7 291.1 280.2 297.5 2.28 12 707 2961 -6.1 -24.1 23 18.0 -10.4 314 27 294.9 295.0 280.1 297.3 0.77 13 700 3039 -6.3 -25.3 21 19.0 -10.7 315 27 295.5 295.6 280.3 297.8 0.70 14 673 3346 -7.1 -39.1 6 32.0 -12.4 316 28 298.0 298.0 280.7 298.6 0.19 15 663 3462 -5.5 -38.5 5 33.0 -11.3 317 28 301.0 301.1 282.1 301.8 0.21 16 640 3739 -5.5 -41.5 4 36.0 -11.6 318 29 304.1 304.1 283.2 304.6 0.16 17 611 4101 -7.3 -36.3 8 29.0 -12.8 319 29 306.1 306.1 284.2 307.1 0.28 18 556 4828 -11.9 -23.9 36 12.0 -14.9 322 31 309.0 309.2 286.2 312.3 1.00 19 500 5630 -18.1 -31.1 31 13.0 -20.5 325 33 311.0 311.1 286.4 312.9 0.57 20 463 6201 -21.7 -35.7 27 14.0 -23.8 325 34 313.4 313.5 287.0 314.8 0.39 21 400 7260 -31.1 -43.1 30 12.0 -32.2 325 35 314.6 314.6 287.2 315.3 0.21 22 300 9230 -47.1 -54.1 45 7.0 -47.3 335 44 319.0 319.0 288.5 319.3 0.08 23 250 10400 -57.1 -64.1 41 7.0 -57.2 350 52 321.2 321.2 289.1 321.3 0.03 24 224 11086 -63.3 -70.3 38 7.0 -63.4 354 59 321.9 321.9 289.3 322.0 0.01 25 220 11197 -63.6 -70.6 38 7.0 -63.7 355 60 323.1 323.1 289.7 323.1 0.01 26 210 11482 -64.5 -71.5 38 7.0 -64.6 353 52 326.0 326.0 290.6 326.1 0.01 27 200 11780 -66.1 -73.1 37 7.0 -66.1 350 44 328.1 328.1 291.2 328.1 0.01 28 184 12280 -70.3 -77.3 35 7.0 -70.4 340 40 329.2 329.2 291.5 329.2 0.01 29 181 12378 -70.3 -77.3 35 7.0 -70.4 339 40 330.7 330.7 291.9 330.8 0.01 30 169 12788 -67.1 -74.1 36 7.0 -67.1 336 39 342.6 342.6 295.0 342.6 0.01 31 159 13156 -67.9 -74.9 36 7.0 -67.9 333 39 347.3 347.3 296.0 347.3 0.01 32 151 13469 -63.3 -70.3 38 7.0 -63.4 330 38 360.3 360.4 298.8 360.4 0.02 33 150 13510 -63.1 -70.1 38 7.0 -63.2 330 38 361.4 361.4 299.0 361.5 0.02 34 126 14586 -60.7 -68.7 34 8.0 -60.9 324 32 384.2 384.2 302.9 384.3 0.03 35 113 15255 -64.9 -72.9 32 8.0 -65.0 320 29 388.5 388.5 303.6 388.6 0.02 36 109 15475 -65.1 -73.1 32 8.0 -65.2 318 28 392.2 392.2 304.1 392.2 0.02 37 100 16000 -64.1 -72.1 33 8.0 -64.2 315 25 403.9 403.9 305.7 404.0 0.02 38 88 16785 -64.5 -72.5 32 8.0 -64.6 302 26 418.1 418.1 307.5 418.2 0.02 39 84 17072 -61.9 -69.9 34 8.0 -62.1 298 26 429.0 429.0 308.7 429.2 0.04 40 70 18200 -63.3 -72.3 28 9.0 -63.5 280 27 449.0 449.0 310.8 449.1 0.03 41 52 20004 -68.3 -77.3 26 9.0 -68.4 280 29 477.2 477.2 313.2 477.3 0.02 42 50 20240 -67.5 -77.5 23 10.0 -67.7 280 29 484.4 484.4 313.8 484.5 0.02 43 44 21007 -68.3 -78.3 22 10.0 -68.5 283 36 500.5 500.5 315.0 500.6 0.02 44 30 23250 -77.7 -87.7 18 10.0 -77.8 290 56 532.8 532.8 317.1 532.9 0.01 45 20 25540 -83.1 -93.1 16 10.0 -83.1 290 66 581.8 581.8 319.8 581.8 0.00 46 15 27141 -83.1 -93.1 16 10.0 -83.2 631.7 631.7 322.0 631.7 0.00 47 11 28917 -72.3 -82.3 21 10.0 -72.7 729.5 729.5 325.4 729.9 0.04 TRP 184 12280 -70.3 -77.3 35 7.0 -70.4 340 40 329.2 329.2 291.5 329.2 0.01 WND 220 11197 -63.6 -70.6 38 7.0 -63.7 355 60 323.1 323.1 289.7 323.1 0.01 Sounding variables and indices 1000-500 mb thick: 5430.00 m Freezing level: Surface below freezing Freezing level: 959.38 mb = 529.18 m = 1736.12 ft Freezing level: 870.59 mb = 1316.89 m = 4320.45 ft Freezing level: 834.00 mb = 1658.83 m = 5442.30 ft Freezing level: 834.00 mb = 1658.83 m = 5442.30 ft Wetbulb zero: Below ground Precipitable water: 0.42 inches Sfc-500 mean rel hum: 44.80 % Est. max temperature: 11.68 C = 53.02 F Sfc-Lift cond lev (LCL): 959.53 mb = 527.81 m = 1731.65 ft T: -0.16 C 700-500 lapse rate: 4.55 C/km ThetaE index: 2.62 C Layer 922.0- 850.0 mb Conv cond level (CCL): 1000.00 mb = 200.00 m = 656.16 ft Mean mixing ratio: 3.51 g/kg Conv temperature: -1.09 C = 30.04 F Cap Strength: 18.78 C Lifted Index: 19.26 C Risk: None Lifted Index @300 mb: 21.61 C Lifted Index @700 mb: 10.32 C Showalter Index: 14.87 C Risk: None Total Totals Index: 31.00 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 14.20 C K Index: -6.10 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 3.91 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 80.56 J/kg Max Up Vert Vel: 12.69 m/s Conv Inhibition (B-): 57770.21 J/kg Cap Strength: 19.25 C Lift Cond Lev (LCL): 901.12 mb = 1037.26 m = 3403.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 19 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 1001 192 305 1 0.8 -0.6 | 170 18 -3.2 18.1 1 1000 200 305 1 0.8 -0.6 | 170 18 -3.2 18.1 2 925 826 320 17 10.9 -13.0 | 231 9 6.9 5.6 3 850 1507 305 21 17.2 -12.0 | 244 15 13.2 6.6 4 700 3039 315 27 19.1 -19.1 | 272 15 15.1 -0.5 5 500 5630 325 33 18.9 -27.0 | 299 17 14.9 -8.4 6 400 7260 325 35 20.1 -28.7 | 302 19 16.1 -10.0 7 300 9230 335 44 18.6 -39.9 | 325 26 14.6 -21.2 8 250 10400 350 52 9.0 -51.2 | 351 33 5.0 -32.6 9 220 11197 355 60 5.2 -59.8 | 358 41 1.2 -41.1 10 200 11780 350 44 7.6 -43.3 | 352 25 3.7 -24.7 11 184 12280 340 40 13.7 -37.6 | 333 21 9.7 -19.0 12 150 13510 330 38 19.0 -32.9 | 314 21 15.0 -14.3 13 100 16000 315 25 17.7 -17.7 | 266 14 13.7 1.0 14 70 18200 280 27 26.6 -4.7 | 238 27 22.6 13.9 15 50 20240 280 29 28.6 -5.0 | 241 28 24.6 13.6 16 30 23250 290 56 52.6 -19.2 | 271 49 48.6 -0.5 17 20 25540 290 66 62.0 -22.6 | 274 58 58.0 -3.9 Wind Parameters Mean winds (0-6000m): 317.9 at 25.4 knts Storm direction: 347.9 at 19.0 knts Shear (0-3000m) pos: 3.2 neg: 1.5 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 103.4 deg Storm rel helicity (0-3000m) pos: 81.0 neg: 0.0 tot: 81.0 m^2/s^2 ave: 27.0 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.83 Bulk Shear: 43.92 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 ------------------------------------------------------------------------------- 500 316 7 184 13| 13.0 0.0 13.0| 35.4 0.0 35.4 70.9 0.76| 13.1 10.0 1000 317 12 204 11| 6.5 3.0 9.4| 48.2 0.0 48.2 48.2 0.76| 10.0 7.5 1500 313 15 220 11| 4.3 3.0 7.3| 53.9 0.0 53.9 36.0 0.70| 7.9 5.6 2000 311 17 229 12| 3.8 2.2 6.0| 63.1 0.0 63.1 31.5 0.73| 6.6 4.8 2500 311 18 237 12| 3.5 1.8 5.3| 72.5 0.0 72.5 29.0 0.75| 5.7 4.3 3000 312 20 243 12| 3.2 1.5 4.7| 81.0 0.0 81.0 27.0 0.77| 5.2 4.0 4000 314 22 254 12| 2.8 1.1 3.9| 93.1 0.0 93.1 23.3 0.79| 4.3 3.4 5000 316 24 263 13| 2.5 0.9 3.4|105.9 0.0 105.9 21.2 0.80| 3.7 3.0 6000 318 25 271 13| 2.2 0.8 3.0|113.1 0.0 113.1 18.9 0.80| 3.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//U7713/skewt/U7713.skewt.20251219.12.gif