UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:0000Z 29 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 206 1 925 758 SFC 907 896 -34.1 -38.0 68 3.9 -34.3 0 0 245.8 245.8 245.2 246.3 0.16 3 897 976 -20.5 -24.6 70 4.1 -21.0 359 1 260.6 260.7 258.9 262.3 0.58 4 850 1374 -23.3 -29.3 58 6.0 -23.9 355 7 261.7 261.8 259.3 262.9 0.40 5 812 1706 -26.3 -33.3 52 7.0 -26.9 360 12 262.0 262.0 259.3 262.8 0.28 6 805 1769 -26.7 -33.7 52 7.0 -27.3 1 13 262.2 262.3 259.5 263.0 0.28 7 700 2773 -28.7 -35.7 51 7.0 -29.3 15 29 270.7 270.7 265.7 271.5 0.26 8 694 2835 -29.1 -36.1 51 7.0 -29.7 14 29 270.9 271.0 265.8 271.7 0.25 9 585 4031 -39.1 -46.1 47 7.0 -39.4 4 25 272.8 272.9 266.8 273.2 0.10 10 573 4173 -39.5 -45.5 53 6.0 -39.8 3 24 274.0 274.0 267.6 274.4 0.11 11 554 4404 -39.1 -45.1 53 6.0 -39.4 1 23 277.1 277.1 269.6 277.5 0.12 12 500 5100 -43.9 -50.9 46 7.0 -44.1 355 21 279.5 279.5 271.0 279.8 0.07 13 413 6355 -53.5 -60.5 42 7.0 -53.6 351 14 282.9 282.9 272.9 283.0 0.03 14 400 6560 -54.3 -61.3 42 7.0 -54.4 350 13 284.4 284.4 273.8 284.5 0.02 15 340 7589 -59.1 -66.1 40 7.0 -59.2 335 27 291.4 291.4 277.4 291.5 0.02 16 308 8213 -55.7 -62.7 41 7.0 -55.8 335 27 304.5 304.5 283.2 304.6 0.03 17 300 8380 -55.9 -62.9 41 7.0 -56.0 335 27 306.6 306.6 284.1 306.7 0.03 18 268 9096 -57.1 -64.1 41 7.0 -57.2 326 26 314.9 314.9 287.1 315.0 0.03 19 250 9540 -53.7 -60.7 42 7.0 -53.8 320 25 326.2 326.2 290.7 326.4 0.04 20 242 9749 -53.3 -60.3 42 7.0 -53.5 321 26 329.9 329.9 291.7 330.1 0.05 21 207 10750 -55.7 -63.7 36 8.0 -55.9 324 28 341.2 341.2 294.6 341.3 0.04 22 200 10970 -55.1 -63.1 36 8.0 -55.3 325 29 345.5 345.5 295.7 345.7 0.04 23 170 12015 -52.7 -62.7 29 10.0 -53.0 319 30 365.9 365.9 299.9 366.2 0.05 24 150 12820 -54.7 -64.7 28 10.0 -55.0 315 31 375.8 375.8 301.6 376.0 0.04 25 144 13080 -55.5 -66.5 24 11.0 -55.8 314 30 378.8 378.9 302.1 379.0 0.03 26 133 13588 -53.3 -65.3 22 12.0 -53.7 312 29 391.5 391.5 304.0 391.7 0.04 27 118 14353 -55.1 -68.1 18 13.0 -55.5 309 27 401.8 401.8 305.5 402.0 0.03 28 105 15099 -53.9 -67.9 16 14.0 -54.4 306 26 417.7 417.7 307.4 417.9 0.04 29 100 15410 -55.9 -69.9 16 14.0 -56.3 305 25 419.7 419.7 307.7 419.9 0.03 30 97 15604 -56.7 -70.7 16 14.0 -57.1 303 26 421.8 421.8 307.9 422.0 0.03 31 83 16590 -57.9 -71.9 15 14.0 -58.3 295 29 438.6 438.6 309.7 438.8 0.03 32 78 16982 -57.5 -72.5 13 15.0 -57.9 291 31 447.3 447.3 310.6 447.5 0.03 33 75 17231 -55.7 -70.7 14 15.0 -56.3 289 31 456.1 456.1 311.4 456.3 0.04 34 70 17670 -56.1 -71.1 14 15.0 -56.7 285 33 464.4 464.4 312.2 464.6 0.04 35 66 18044 -56.5 -71.5 13 15.0 -57.1 284 32 471.4 471.4 312.8 471.6 0.04 36 58 18872 -51.7 -68.7 11 17.0 -52.8 282 31 500.0 500.0 314.9 500.4 0.06 37 51 19703 -53.7 -69.7 12 16.0 -54.7 280 29 514.0 514.0 315.9 514.4 0.06 38 50 19830 -53.5 -70.5 11 17.0 -54.6 280 29 517.4 517.4 316.2 517.8 0.06 39 49 19960 -52.5 -69.5 11 17.0 -53.7 278 30 522.8 522.8 316.5 523.2 0.07 40 42 20952 -55.1 -73.1 9 18.0 -56.2 265 38 539.9 539.9 317.5 540.2 0.05 41 38 21600 -49.9 -68.9 9 19.0 -51.9 256 42 568.8 568.9 319.1 569.5 0.09 42 37 21775 -48.9 -67.9 9 19.0 -51.1 253 44 575.7 575.8 319.5 576.5 0.11 43 35 22143 -45.7 -64.7 10 19.0 -48.7 249 46 593.3 593.4 320.3 594.7 0.18 44 34 22337 -44.1 -64.1 9 20.0 -47.6 246 48 602.5 602.5 320.8 604.0 0.20 45 32 22741 -47.3 -67.3 8 20.0 -50.1 241 51 604.4 604.5 320.9 605.5 0.14 46 31 22952 -46.3 -66.3 9 20.0 -49.4 238 52 612.6 612.7 321.2 613.9 0.17 47 30 23170 -46.7 -66.7 8 20.0 -49.8 235 54 617.3 617.4 321.5 618.6 0.16 48 29 23394 -46.7 -67.7 7 21.0 -50.0 234 54 623.3 623.4 321.7 624.5 0.15 49 26 24131 -36.7 -59.7 7 23.0 -43.6 230 54 671.5 671.7 323.6 675.4 0.47 50 25 24400 -37.9 -61.9 6 24.0 -44.6 228 54 675.6 675.8 323.7 678.8 0.37 51 23 24972 -38.5 -62.5 6 24.0 -45.3 225 54 690.2 690.3 324.2 693.4 0.37 52 21 25591 -41.3 -65.3 6 24.0 -47.3 222 54 699.9 700.0 324.5 702.4 0.28 53 20 25920 -43.1 -67.1 5 24.0 -48.7 220 54 704.3 704.3 324.6 706.3 0.23 54 19 26266 -43.1 -67.1 5 24.0 -48.8 714.7 714.8 325.0 716.8 0.24 55 19 26266 -39.3 -64.3 5 25.0 -46.6 726.5 726.6 325.3 729.7 0.35 56 17 27033 -35.7 -61.7 5 26.0 -45.1 761.5 761.7 326.4 766.8 0.56 57 11 29973 -49.5 -73.5 4 24.0 -54.6 812.3 812.4 327.6 814.0 0.17 TRP 340 7589 -59.1 -66.1 40 7.0 -59.2 335 27 291.4 291.4 277.4 291.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 4894.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 52.10 % Est. max temperature: -14.55 C = 5.81 F Sfc-Lift cond lev (LCL): 848.24 mb = 1389.10 m = 4557.35 ft T: -23.44 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.05 C Layer 812.0- 805.0 mb Conv cond level (CCL): 907.00 mb = 896.20 m = 2940.24 ft Mean mixing ratio: 0.41 g/kg Conv temperature: -28.31 C = -18.96 F Cap Strength: 12.97 C Lifted Index: 14.50 C Risk: None Lifted Index @300 mb: 31.62 C Lifted Index @700 mb: 8.55 C Showalter Index: 13.74 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 14.60 C K Index: -15.70 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 3.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.37 J/kg Max Up Vert Vel: 6.84 m/s Conv Inhibition (B-): 72589.89 J/kg Cap Strength: 14.39 C Lift Cond Lev (LCL): 785.13 mb = 1948.51 m = 6392.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 33 at 14 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 ---------------------------------------------------------- 0 907 896 0 0 -0.0 -0.0 | 213 14 7.9 12.0 1 850 1374 355 7 0.6 -7.0 | 239 10 8.5 5.1 2 700 2773 15 29 -7.5 -28.0 | 358 16 0.4 -16.0 3 500 5100 355 21 1.8 -20.9 | 312 13 9.8 -8.9 4 400 6560 350 13 2.3 -12.8 | 274 10 10.2 -0.8 5 340 7589 335 27 11.4 -24.5 | 303 23 19.3 -12.4 6 300 8380 335 27 11.4 -24.5 | 303 23 19.3 -12.4 7 250 9540 320 25 16.1 -19.2 | 287 25 24.0 -7.1 8 200 10970 325 29 16.6 -23.8 | 296 27 24.6 -11.7 9 150 12820 315 31 21.9 -21.9 | 288 31 29.9 -9.9 10 100 15410 305 25 20.5 -14.3 | 275 29 28.4 -2.3 11 70 17670 285 33 31.9 -8.5 | 265 40 39.8 3.5 12 50 19830 280 29 28.6 -5.0 | 259 37 36.5 7.0 13 30 23170 235 54 44.2 31.0 | 231 68 52.2 43.0 14 20 25920 220 54 34.7 41.4 | 219 68 42.6 53.4 Wind Parameters Mean winds (0-6000m): 3.4 at 19.2 knts Storm direction: 33.4 at 14.4 knts Shear (0-3000m) pos: 3.7 neg: 1.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 123.3 deg Storm rel helicity (0-3000m) pos: 67.7 neg: -22.0 tot: 45.6 m^2/s^2 ave: 15.2 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.72 Bulk Shear: 32.24 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 ------------------------------------------------------------------------------- 500 355 4 225 12| 0.0 7.6 7.6| 17.0 0.0 17.0 34.0 0.75| 7.6 5.7 1000 359 7 240 9| 4.1 3.8 7.9| 33.9 0.0 33.9 33.9 0.86| 7.9 6.8 1500 5 11 264 7| 5.5 2.5 8.0| 51.8 0.0 51.8 34.5 0.87| 8.1 7.0 2000 11 15 299 6| 5.6 1.9 7.5| 67.7 -2.2 65.5 32.7 0.80| 7.8 6.3 2500 11 18 319 7| 4.5 1.4 5.9| 67.7 -12.5 55.2 22.1 0.66| 6.8 4.5 3000 10 19 326 8| 3.7 1.2 4.9| 67.7 -22.0 45.6 15.2 0.54| 6.1 3.3 4000 8 20 328 10| 2.8 1.1 3.9| 67.7 -39.5 28.1 7.0 0.36| 5.2 1.9 5000 6 20 323 10| 2.2 1.1 3.3| 67.7 -55.4 12.3 2.5 0.21| 4.7 1.0 6000 3 19 316 10| 1.9 1.1 2.9| 77.3 -64.4 12.9 2.2 0.18| 4.6 0.8 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251229.00.gif