UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:0000Z 17 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 236 1 925 802 SFC 913 896 -28.3 -33.3 62 5.0 -28.6 0 0 251.3 251.3 250.4 252.0 0.25 3 900 999 -26.9 -32.9 57 6.0 -27.3 339 1 253.8 253.8 252.5 254.5 0.27 4 894 1048 -23.9 -29.9 58 6.0 -24.5 329 1 257.4 257.4 255.8 258.4 0.36 5 890 1081 -19.9 -25.9 59 6.0 -20.7 323 2 261.8 261.9 259.7 263.3 0.52 6 886 1115 -19.7 -25.7 59 6.0 -20.5 316 2 262.4 262.5 260.2 263.9 0.53 7 880 1165 -16.3 -22.3 60 6.0 -17.3 306 3 266.4 266.5 263.6 268.5 0.73 8 873 1226 -14.3 -19.1 67 4.8 -15.2 294 3 269.1 269.3 265.9 271.8 0.97 9 850 1429 -13.9 -17.8 72 3.9 -14.7 255 5 271.6 271.8 267.8 274.7 1.11 10 818 1721 -12.9 -18.9 61 6.0 -14.2 269 7 275.6 275.8 270.4 278.7 1.05 11 700 2892 -19.7 -24.1 68 4.4 -20.4 325 15 280.7 280.8 272.9 283.0 0.78 12 576 4317 -26.7 -31.0 67 4.3 -27.2 311 22 288.6 288.7 276.7 290.2 0.50 13 500 5320 -34.5 -38.8 65 4.3 -34.8 300 27 291.0 291.0 277.6 291.9 0.27 14 400 6850 -46.1 -50.4 62 4.3 -46.3 285 36 295.1 295.1 279.3 295.4 0.09 15 347 7778 -53.5 -58.1 57 4.6 -53.6 285 44 297.3 297.3 280.2 297.5 0.04 16 335 8005 -52.5 -57.2 57 4.7 -52.6 285 46 301.7 301.7 282.1 301.9 0.05 17 300 8710 -56.7 -61.3 56 4.6 -56.8 285 52 305.4 305.4 283.6 305.5 0.03 18 274 9280 -59.9 -64.5 55 4.6 -60.0 287 54 308.8 308.8 284.9 308.9 0.02 19 250 9850 -61.7 -66.4 53 4.7 -61.7 290 56 314.3 314.3 286.9 314.4 0.02 20 243 10026 -62.5 -67.3 52 4.8 -62.6 290 56 315.7 315.7 287.3 315.8 0.02 21 238 10156 -62.3 -67.1 52 4.8 -62.3 292 58 317.9 317.9 288.1 318.0 0.02 22 228 10422 -61.8 -66.6 53 4.8 -61.9 295 62 322.6 322.6 289.6 322.7 0.02 23 200 11240 -60.3 -64.9 55 4.6 -60.4 295 42 337.3 337.3 293.7 337.4 0.03 24 152 12947 -59.1 -64.1 52 5.0 -59.2 290 40 366.9 366.9 300.0 367.1 0.05 25 150 13030 -58.5 -63.5 52 5.0 -58.6 290 40 369.3 369.3 300.5 369.5 0.05 26 142 13376 -56.3 -62.3 47 6.0 -56.5 290 41 379.0 379.0 302.1 379.3 0.06 27 123 14282 -58.3 -64.3 46 6.0 -58.5 290 42 391.2 391.2 304.0 391.5 0.05 28 107 15163 -56.1 -63.1 41 7.0 -56.3 290 43 411.3 411.3 306.7 411.7 0.07 29 100 15590 -58.5 -65.5 40 7.0 -58.7 290 44 414.7 414.7 307.1 415.0 0.06 30 88 16403 -54.7 -62.7 37 8.0 -55.1 288 41 437.8 437.8 309.7 438.3 0.09 31 70 17860 -57.7 -67.7 27 10.0 -58.1 285 36 460.9 461.0 311.9 461.3 0.06 32 60 18823 -60.7 -70.7 26 10.0 -61.0 280 43 475.0 475.0 313.1 475.3 0.05 33 50 19960 -58.7 -69.7 23 11.0 -59.2 275 52 505.2 505.2 315.4 505.6 0.06 34 46 20485 -58.5 -70.5 20 12.0 -59.1 277 51 517.8 517.8 316.2 518.2 0.06 35 39 21520 -60.3 -72.3 19 12.0 -60.9 280 50 538.3 538.3 317.5 538.7 0.06 36 30 23160 -59.5 -73.5 15 14.0 -60.3 285 48 582.4 582.5 319.8 582.9 0.06 37 26 24057 -58.9 -72.9 15 14.0 -59.9 608.5 608.5 321.0 609.1 0.08 TRP 243 10026 -62.5 -67.3 52 4.8 -62.6 290 56 315.7 315.7 287.3 315.8 0.02 WND 228 10422 -61.8 -66.6 53 4.8 -61.9 295 62 322.6 322.6 289.6 322.7 0.02 Sounding variables and indices 1000-500 mb thick: 5084.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 65.74 % Est. max temperature: -2.39 C = 27.70 F Sfc-Lift cond lev (LCL): 839.01 mb = 1527.94 m = 5012.87 ft T: -13.56 C 700-500 lapse rate: 6.10 C/km ThetaE index: 0.00 C Layer 913.0-1526726.6 mb Conv cond level (CCL): 913.00 mb = 895.90 m = 2939.26 ft Mean mixing ratio: 0.83 g/kg Conv temperature: -20.31 C = -4.55 F Cap Strength: 16.46 C Lifted Index: 17.57 C Risk: None Lifted Index @300 mb: 25.28 C Lifted Index @700 mb: 10.98 C Showalter Index: 13.59 C Risk: None Total Totals Index: 37.30 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 16.70 C K Index: -1.60 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 103.71 J/kg Max Up Vert Vel: 14.40 m/s Conv Inhibition (B-): 51934.00 J/kg Cap Strength: 17.48 C Lift Cond Lev (LCL): 806.11 mb = 1830.89 m = 6006.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 330 at 15 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 ---------------------------------------------------------- 0 913 896 0 0 -0.0 -0.0 | 150 15 -7.3 12.9 1 850 1429 255 5 4.8 1.3 | 170 14 -2.5 14.2 2 700 2892 325 15 8.6 -12.3 | 245 1 1.3 0.6 3 500 5320 300 27 23.4 -13.5 | 272 16 16.1 -0.6 4 400 6850 285 36 34.8 -9.3 | 263 28 27.5 3.6 5 300 8710 285 52 50.2 -13.5 | 271 43 42.9 -0.6 6 250 9850 290 56 52.6 -19.2 | 278 46 45.3 -6.3 7 243 10026 290 56 52.6 -19.2 | 278 46 45.3 -6.3 8 228 10422 295 62 56.2 -26.2 | 285 51 48.9 -13.3 9 200 11240 295 42 38.1 -17.7 | 279 31 30.7 -4.9 10 150 13030 290 40 37.6 -13.7 | 271 30 30.3 -0.8 11 100 15590 290 44 41.3 -15.0 | 274 34 34.0 -2.2 12 70 17860 285 36 34.8 -9.3 | 263 28 27.5 3.6 13 50 19960 275 52 51.8 -4.5 | 259 45 44.5 8.4 14 30 23160 285 48 46.4 -12.4 | 269 39 39.0 0.5 Wind Parameters Mean winds (0-6000m): 300.4 at 19.8 knts Storm direction: 330.4 at 14.8 knts Shear (0-3000m) pos: 2.3 neg: 1.8 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 129.0 deg Storm rel helicity (0-3000m) pos: 38.2 neg: -0.6 tot: 37.6 m^2/s^2 ave: 12.5 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 2.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.36 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 ------------------------------------------------------------------------------- 500 255 2 159 14| 0.0 4.8 4.8| 14.7 -0.6 14.0 28.1 0.65| 6.6 4.3 1000 264 4 167 14| 2.0 2.4 4.4| 27.0 -0.6 26.3 26.3 0.71| 5.5 3.9 1500 283 6 174 12| 2.9 1.6 4.5| 34.4 -0.6 33.7 22.5 0.65| 5.5 3.6 2000 305 8 175 8| 3.5 1.2 4.7| 37.2 -0.6 36.6 18.3 0.58| 5.8 3.4 2500 311 10 179 7| 2.8 1.5 4.3| 37.9 -0.6 37.3 14.9 0.56| 5.2 2.9 3000 313 11 188 5| 2.3 1.8 4.1| 38.2 -0.6 37.6 12.5 0.51| 4.9 2.5 4000 310 14 221 5| 1.7 2.1 3.9| 38.2 -3.0 35.2 8.8 0.39| 4.5 1.8 5000 306 17 244 7| 1.4 2.4 3.8| 38.2 -10.8 27.4 5.5 0.28| 4.3 1.2 6000 300 20 253 10| 1.2 2.7 3.9| 38.2 -27.0 11.2 1.9 0.19| 4.3 0.8 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251217.00.gif