UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 18 DEC 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1014 50 -15.1 -18.4 76 3.3 -15.7 225 1 257.0 257.2 256.6 259.4 0.88 1 1000 155 -15.5 -18.7 76 3.2 -16.0 250 5 257.6 257.8 257.1 260.0 0.87 2 978 324 -13.1 -16.1 78 3.0 -13.7 261 8 261.7 261.9 260.8 264.7 1.11 3 925 747 -14.1 -17.2 77 3.1 -14.7 290 17 264.9 265.1 263.1 267.9 1.07 4 850 1385 -16.5 -19.8 76 3.3 -17.1 300 25 268.9 269.0 265.7 271.5 0.93 5 801 1830 -18.1 -21.1 77 3.0 -18.6 300 31 271.8 271.9 267.5 274.3 0.89 6 753 2295 -15.7 -18.7 78 3.0 -16.3 300 37 279.2 279.4 272.6 282.6 1.16 7 700 2842 -18.9 -22.3 74 3.4 -19.6 300 44 281.6 281.7 273.6 284.3 0.91 8 500 5260 -35.3 -41.3 54 6.0 -35.7 310 66 290.0 290.0 277.0 290.7 0.21 9 400 6780 -47.7 -55.7 39 8.0 -47.9 320 69 293.0 293.0 278.2 293.2 0.05 10 382 7081 -50.9 -58.9 38 8.0 -51.0 320 72 292.7 292.7 278.0 292.8 0.04 11 340 7828 -55.9 -63.9 36 8.0 -56.0 320 81 295.8 295.8 279.5 295.8 0.02 12 332 7979 -56.5 -64.5 36 8.0 -56.6 320 83 297.0 297.0 280.0 297.0 0.02 13 306 8495 -56.7 -64.7 36 8.0 -56.8 320 85 303.8 303.8 282.9 303.8 0.02 14 300 8620 -56.7 -64.7 36 8.0 -56.8 320 79 305.4 305.4 283.6 305.5 0.02 15 280 9059 -58.3 -66.3 35 8.0 -58.4 316 75 309.2 309.2 285.1 309.3 0.02 16 250 9780 -57.1 -65.1 36 8.0 -57.2 310 68 321.2 321.2 289.1 321.3 0.02 17 200 11200 -54.5 -63.5 32 9.0 -54.7 305 52 346.5 346.5 295.9 346.6 0.04 18 172 12164 -53.7 -63.7 28 10.0 -53.9 300 49 363.1 363.1 299.3 363.2 0.04 19 150 13040 -53.9 -63.9 28 10.0 -54.2 295 46 377.2 377.2 301.8 377.4 0.05 20 100 15630 -56.7 -68.7 21 12.0 -57.1 300 36 418.2 418.2 307.5 418.4 0.04 21 94 16022 -56.5 -68.5 21 12.0 -56.9 298 36 426.0 426.0 308.4 426.2 0.04 22 70 17880 -58.5 -70.5 20 12.0 -58.9 290 35 459.2 459.2 311.7 459.5 0.04 23 65 18340 -62.7 -74.7 18 12.0 -63.0 287 36 459.9 459.9 311.8 460.0 0.02 24 51 19837 -61.3 -73.3 19 12.0 -61.7 276 38 496.2 496.2 314.7 496.4 0.04 25 50 19960 -61.7 -73.7 19 12.0 -62.1 275 38 498.1 498.1 314.8 498.3 0.04 26 36 21975 -66.3 -78.3 17 12.0 -66.6 269 44 535.2 535.3 317.2 535.4 0.02 27 35 22145 -66.7 -78.7 17 12.0 -67.0 268 45 538.5 538.5 317.5 538.7 0.02 28 30 23080 -65.9 -77.9 17 12.0 -66.2 265 48 565.0 565.0 318.9 565.2 0.03 29 26 23950 -66.3 -79.3 15 13.0 -66.7 261 55 587.5 587.5 320.0 587.7 0.03 30 20 25550 -64.7 -77.7 15 13.0 -65.4 255 68 638.1 638.1 322.2 638.5 0.05 31 19 25863 -64.7 -77.7 15 13.0 -65.4 647.6 647.6 322.6 648.0 0.05 32 15 27291 -69.3 -81.3 16 12.0 -69.8 677.6 677.6 323.7 677.8 0.04 33 13 28148 -67.7 -79.7 17 12.0 -68.4 711.4 711.4 324.8 711.9 0.05 TRP 332 7979 -56.5 -64.5 36 8.0 -56.6 320 83 297.0 297.0 280.0 297.0 0.02 WND 306 8495 -56.7 -64.7 36 8.0 -56.8 320 85 303.8 303.8 282.9 303.8 0.02 Sounding variables and indices 1000-500 mb thick: 5105.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 70.86 % Est. max temperature: -3.99 C = 24.82 F Sfc-Lift cond lev (LCL): 960.90 mb = 457.62 m = 1501.37 ft T: -13.42 C 700-500 lapse rate: 6.78 C/km Conv cond level (CCL): 664.45 mb = 3216.52 m = 10552.77 ft Mean mixing ratio: 1.04 g/kg Conv temperature: 10.91 C = 51.64 F Cap Strength: 15.88 C Lifted Index: 20.81 C Risk: None Lifted Index @300 mb: 28.83 C Lifted Index @700 mb: 15.88 C Showalter Index: 15.36 C Risk: None Total Totals Index: 34.30 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 15.50 C K Index: -4.40 Risk: None Sweat Index: 116.00 Risk: None Energy Index: 4.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.85 J/kg Max Up Vert Vel: 8.11 m/s Conv Inhibition (B-): 64168.43 J/kg Cap Strength: 20.64 C Lift Cond Lev (LCL): 915.79 mb = 822.50 m = 2698.46 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 335 at 32 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 1014 50 225 1 0.7 0.7 | 157 33 -12.9 30.0 1 1000 155 250 5 4.7 1.7 | 164 32 -8.9 31.0 2 925 747 290 17 16.0 -5.8 | 186 24 2.4 23.5 3 850 1385 300 25 21.7 -12.5 | 206 19 8.0 16.8 4 700 2842 300 44 38.1 -22.0 | 253 26 24.5 7.3 5 500 5260 310 66 50.6 -42.4 | 290 39 37.0 -13.1 6 400 6780 320 69 44.4 -52.9 | 307 39 30.7 -23.5 7 332 7979 320 83 53.4 -63.6 | 311 52 39.7 -34.3 8 306 8495 320 85 54.6 -65.1 | 311 54 41.0 -35.8 9 300 8620 320 79 50.8 -60.5 | 310 49 37.2 -31.2 10 250 9780 310 68 52.1 -43.7 | 290 41 38.5 -14.4 11 200 11200 305 52 42.6 -29.8 | 271 29 29.0 -0.5 12 150 13040 295 46 41.7 -19.4 | 251 30 28.1 9.9 13 100 15630 300 36 31.2 -18.0 | 237 21 17.6 11.3 14 70 17880 290 35 32.9 -12.0 | 228 26 19.3 17.4 15 50 19960 275 38 37.9 -3.3 | 223 36 24.2 26.0 16 30 23080 265 48 47.8 4.2 | 226 48 34.2 33.5 17 20 25550 255 68 65.7 17.6 | 228 70 52.1 46.9 Wind Parameters Mean winds (0-6000m): 305.1 at 43.1 knts Storm direction: 335.1 at 32.3 knts Shear (0-3000m) pos: 5.6 neg: 2.2 tot: 7.8 10-3/s Storm rel Dir Shear (0-3000m): 100.6 deg Storm rel helicity (0-3000m) pos: 266.5 neg: 0.0 tot: 266.5 m^2/s^2 ave: 88.8 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 7.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.18 Bulk Shear: 183.98 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 ------------------------------------------------------------------------------- 500 267 8 169 30| 12.8 0.0 12.8| 97.9 0.0 97.9 195.7 0.90| 13.6 12.2 1000 286 13 177 26| 10.5 0.0 10.5|140.0 0.0 140.0 140.0 0.82| 11.6 9.5 1500 292 16 184 23| 9.2 0.0 9.2|171.1 0.0 171.1 114.1 0.83| 10.1 8.4 2000 295 20 191 21| 6.9 1.7 8.6|203.2 0.0 203.2 101.6 0.86| 9.2 7.9 2500 297 23 201 20| 5.5 2.7 8.2|235.3 0.0 235.3 94.1 0.86| 8.7 7.5 3000 298 27 210 20| 5.6 2.2 7.8|266.5 0.0 266.5 88.8 0.85| 8.3 7.1 4000 300 32 228 20| 5.4 1.7 7.1|330.3 0.0 330.3 82.6 0.85| 7.5 6.4 5000 303 38 245 21| 5.3 1.3 6.6|402.3 0.0 402.3 80.5 0.84| 7.0 5.9 6000 305 43 258 22| 4.7 1.1 5.8|482.9 0.0 482.9 80.5 0.85| 6.6 5.6 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251218.12.gif