UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:0000Z 18 DEC 25 Station: X0557 WMO ident: 30557 ------------------------------------------------------------------------------- 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 166 1 925 733 SFC 904 899 -27.5 -31.5 69 4.0 -27.8 0 0 252.8 252.9 251.8 253.7 0.30 3 876 1127 -25.3 -29.4 69 4.1 -25.7 0 0 257.4 257.5 255.9 258.5 0.38 4 866 1211 -19.3 -23.4 70 4.1 -19.9 0 0 264.5 264.6 262.0 266.4 0.67 5 850 1351 -15.7 -19.2 74 3.5 -16.4 0 0 269.7 269.9 266.3 272.5 0.98 6 849 1360 -15.7 -19.2 74 3.5 -16.4 360 0 269.8 270.0 266.4 272.6 0.98 7 823 1595 -14.5 -17.3 79 2.8 -15.1 355 3 273.5 273.7 269.2 276.9 1.19 8 815 1669 -14.3 -17.3 78 3.0 -15.0 354 3 274.4 274.6 269.8 277.9 1.21 9 742 2373 -19.7 -27.7 49 8.0 -20.8 341 11 276.0 276.1 269.7 277.6 0.53 10 719 2606 -21.5 -29.5 48 8.0 -22.5 336 13 276.5 276.6 269.9 278.0 0.46 11 680 3016 -22.3 -29.3 53 7.0 -23.2 328 18 280.1 280.2 272.1 281.6 0.50 12 674 3082 -22.5 -29.5 53 7.0 -23.4 327 18 280.6 280.7 272.3 282.1 0.49 13 647 3380 -24.5 -31.5 52 7.0 -25.4 321 22 281.6 281.7 272.9 282.9 0.42 14 620 3691 -24.3 -33.3 43 9.0 -25.4 315 25 285.3 285.4 274.8 286.5 0.37 15 565 4360 -30.1 -42.1 30 12.0 -31.0 302 32 286.2 286.2 274.9 286.7 0.17 16 500 5220 -35.9 -45.9 35 10.0 -36.4 285 42 289.3 289.3 276.5 289.7 0.13 17 400 6740 -46.3 -53.3 45 7.0 -46.5 285 58 294.8 294.8 279.1 295.1 0.07 18 300 8600 -59.5 -65.5 46 6.0 -59.6 290 75 301.5 301.5 282.0 301.5 0.02 19 290 8810 -60.7 -66.7 45 6.0 -60.7 290 75 302.7 302.7 282.5 302.8 0.02 20 282 8984 -59.1 -65.1 46 6.0 -59.2 288 77 307.4 307.4 284.4 307.5 0.02 21 250 9730 -61.9 -67.9 45 6.0 -62.0 280 83 314.0 314.0 286.8 314.1 0.02 22 235 10113 -60.7 -66.7 45 6.0 -60.7 280 85 321.5 321.5 289.2 321.6 0.02 23 206 10935 -58.1 -64.1 46 6.0 -58.2 284 60 337.9 337.9 293.9 338.0 0.03 24 200 11120 -58.5 -64.5 46 6.0 -58.6 285 54 340.1 340.1 294.4 340.3 0.03 25 186 11577 -60.5 -66.5 45 6.0 -60.6 282 53 344.0 344.0 295.3 344.1 0.03 26 152 12855 -55.7 -62.7 41 7.0 -55.9 275 52 372.7 372.7 301.1 372.9 0.05 27 150 12940 -55.9 -62.9 41 7.0 -56.1 275 52 373.8 373.8 301.2 374.0 0.05 28 127 13991 -57.7 -64.7 40 7.0 -57.9 279 49 388.7 388.8 303.6 389.0 0.05 29 100 15500 -56.3 -64.3 36 8.0 -56.6 285 44 418.9 419.0 307.6 419.3 0.07 30 91 16100 -56.3 -64.3 36 8.0 -56.6 280 41 430.4 430.4 308.9 430.8 0.07 31 78 17087 -53.7 -63.7 28 10.0 -54.2 271 36 455.2 455.2 311.4 455.7 0.09 32 76 17253 -54.7 -64.7 28 10.0 -55.2 270 36 456.5 456.5 311.5 457.0 0.08 33 71 17689 -54.7 -64.7 28 10.0 -55.2 266 33 465.5 465.5 312.3 466.0 0.09 34 70 17780 -55.7 -65.7 28 10.0 -56.2 265 33 465.2 465.2 312.3 465.7 0.08 35 61 18652 -57.3 -67.3 27 10.0 -57.8 265 37 480.3 480.4 313.5 480.8 0.07 36 58 18971 -56.7 -67.7 24 11.0 -57.3 265 39 488.7 488.7 314.1 489.1 0.07 37 50 19910 -57.1 -68.1 24 11.0 -57.7 265 44 508.9 508.9 315.6 509.4 0.08 38 49 20038 -56.3 -68.3 21 12.0 -57.0 264 44 513.8 513.8 315.9 514.3 0.08 39 47 20303 -56.1 -68.1 21 12.0 -56.9 263 44 520.4 520.4 316.4 521.0 0.09 40 46 20441 -53.7 -65.7 22 12.0 -54.7 262 43 529.4 529.4 316.9 530.2 0.12 41 35 22212 -50.1 -64.1 18 14.0 -52.0 251 41 581.8 581.9 319.8 583.3 0.20 42 31 22999 -53.7 -67.7 16 14.0 -55.2 246 40 592.7 592.7 320.3 593.7 0.14 43 30 23210 -53.9 -68.9 14 15.0 -55.4 245 40 597.7 597.7 320.5 598.6 0.12 44 20 25830 -49.5 -67.5 10 18.0 -52.7 250 58 684.7 684.7 324.0 686.5 0.22 45 17 26896 -49.9 -67.9 10 18.0 -53.4 244 50 716.0 716.1 325.0 718.1 0.24 46 15 27722 -46.7 -65.7 10 19.0 -51.5 240 44 752.7 752.8 326.1 756.2 0.37 47 11 29764 -50.9 -71.9 7 21.0 -55.4 228 30 807.2 807.3 327.5 809.4 0.21 48 10 30390 -47.3 -69.3 6 22.0 -53.5 225 25 843.0 843.2 328.3 846.5 0.34 49 9.9 30456 -47.5 -69.5 6 22.0 -53.7 844.7 844.8 328.4 848.2 0.33 TRP 290 8810 -60.7 -66.7 45 6.0 -60.7 290 75 302.7 302.7 282.5 302.8 0.02 WND 235 10113 -60.7 -66.7 45 6.0 -60.7 280 85 321.5 321.5 289.2 321.6 0.02 Sounding variables and indices 1000-500 mb thick: 5054.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 50.49 % Est. max temperature: -5.23 C = 22.59 F Sfc-Lift cond lev (LCL): 845.10 mb = 1394.67 m = 4575.63 ft T: -15.52 C 700-500 lapse rate: 5.80 C/km ThetaE index: 0.28 C Layer 742.0- 719.0 mb Conv cond level (CCL): 904.00 mb = 898.62 m = 2948.18 ft Mean mixing ratio: 0.81 g/kg Conv temperature: -20.80 C = -5.44 F Cap Strength: 15.52 C Lifted Index: 17.40 C Risk: None Lifted Index @300 mb: 23.57 C Lifted Index @700 mb: 10.03 C Showalter Index: 13.97 C Risk: None Total Totals Index: 36.90 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 16.70 C K Index: -6.52 Risk: None Sweat Index: 42.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 110.70 J/kg Max Up Vert Vel: 14.88 m/s Conv Inhibition (B-): 61565.78 J/kg Cap Strength: 17.11 C Lift Cond Lev (LCL): 819.36 mb = 1628.54 m = 5342.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 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 ---------------------------------------------------------- 0 904 899 0 0 -0.0 -0.0 | 135 21 -14.9 14.9 1 850 1351 0 0 -0.0 -0.0 | 135 21 -14.9 14.9 2 500 5220 285 42 40.6 -10.9 | 261 26 25.6 4.1 3 400 6740 285 58 56.0 -15.0 | 270 41 41.1 -0.1 4 300 8600 290 75 70.5 -25.7 | 281 57 55.5 -10.7 5 290 8810 290 75 70.5 -25.7 | 281 57 55.5 -10.7 6 250 9730 280 83 81.7 -14.4 | 270 67 66.8 0.5 7 235 10113 280 85 83.7 -14.8 | 270 69 68.8 0.2 8 200 11120 285 54 52.2 -14.0 | 269 37 37.2 1.0 9 150 12940 275 52 51.8 -4.5 | 254 38 36.9 10.4 10 100 15500 285 44 42.5 -11.4 | 263 28 27.6 3.5 11 70 17780 265 33 32.9 2.9 | 225 25 17.9 17.8 12 50 19910 265 44 43.8 3.8 | 237 34 28.9 18.8 13 30 23210 245 40 36.3 16.9 | 214 38 21.3 31.8 14 20 25830 250 58 54.5 19.8 | 229 53 39.6 34.8 15 10 30390 225 25 17.7 17.7 | 185 33 2.7 32.6 Wind Parameters Mean winds (0-6000m): 285.0 at 28.2 knts Storm direction: 315.0 at 21.1 knts Storm rel Dir Shear (0-3000m): -90.0 deg Storm rel helicity (0-3000m) pos: 0.0 neg: 0.0 tot: 0.0 m^2/s^2 ave: 0.0 10^-3 m/s^2 rel: 0.00 Storm rel vorticity (0-3000m) horiz: 0.0 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.06 Bulk Shear: 104.90 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 285 22 217 11| 0.0 5.4 5.4|137.4 0.0 137.4 124.9 0.93| 6.1 5.7 6000 285 28 238 14| 1.7 3.6 5.3|170.8 0.0 170.8 81.3 0.84| 6.0 5.0 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251218.00.gif