UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122700.upa.cvt Date: 0000Z 27 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 27 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 1003 50 -12.9 -14.9 85 2.0 -13.3 225 5 260.0 260.2 259.6 263.2 1.20 1 1000 73 -13.1 -15.2 84 2.1 -13.5 230 7 260.0 260.2 259.6 263.2 1.17 2 939 552 -15.3 -18.2 78 2.9 -15.9 262 18 262.5 262.7 261.2 265.2 0.97 3 925 666 -12.5 -15.1 81 2.6 -13.1 270 21 266.5 266.7 264.7 270.1 1.28 4 884 1013 -10.5 -13.2 81 2.7 -11.2 273 24 272.1 272.3 269.0 276.5 1.56 5 850 1314 -11.9 -14.4 82 2.5 -12.5 275 27 273.7 273.9 269.8 277.8 1.47 6 725 2525 -15.9 -19.3 75 3.4 -16.6 279 24 282.0 282.2 274.2 285.4 1.14 7 700 2789 -17.7 -21.2 74 3.5 -18.4 280 23 282.9 283.1 274.5 285.9 1.00 8 626 3613 -22.7 -26.2 73 3.5 -23.2 287 28 286.4 286.5 275.9 288.6 0.72 9 540 4677 -29.7 -34.7 62 5.0 -30.2 295 35 290.4 290.4 277.4 291.6 0.37 10 500 5220 -33.3 -39.3 55 6.0 -33.8 300 38 292.4 292.5 278.3 293.3 0.25 11 477 5550 -36.1 -43.1 48 7.0 -36.5 302 39 292.9 293.0 278.4 293.5 0.18 12 400 6750 -45.9 -51.9 51 6.0 -46.1 310 44 295.3 295.3 279.4 295.6 0.08 13 334 7925 -55.7 -61.7 47 6.0 -55.8 307 37 297.6 297.6 280.3 297.7 0.03 14 300 8610 -54.7 -60.7 47 6.0 -54.8 305 33 308.2 308.3 284.7 308.4 0.04 15 298 8653 -54.5 -60.5 47 6.0 -54.6 305 33 309.1 309.1 285.0 309.3 0.04 16 250 9760 -60.3 -66.3 45 6.0 -60.4 310 29 316.4 316.4 287.6 316.5 0.02 17 242 9962 -61.3 -67.3 45 6.0 -61.4 310 29 317.9 317.9 288.1 317.9 0.02 18 200 11140 -62.7 -68.7 44 6.0 -62.8 305 29 333.5 333.5 292.7 333.5 0.02 19 154 12757 -62.5 -68.5 44 6.0 -62.6 323 25 359.7 359.7 298.7 359.8 0.02 20 150 12920 -62.3 -68.3 44 6.0 -62.4 325 25 362.8 362.8 299.2 362.9 0.03 21 100 15420 -64.3 -71.3 38 7.0 -64.4 320 27 403.5 403.5 305.7 403.6 0.03 22 93 15862 -65.1 -72.1 37 7.0 -65.2 317 28 410.4 410.4 306.6 410.5 0.02 23 70 17580 -67.3 -75.3 31 8.0 -67.4 305 31 440.4 440.4 309.9 440.5 0.02 24 69 17667 -67.5 -74.5 36 7.0 -67.6 305 31 441.8 441.8 310.1 441.9 0.02 25 50 19600 -69.9 -77.9 30 8.0 -70.0 295 31 478.8 478.8 313.4 478.9 0.02 26 35 21711 -72.1 -80.1 29 8.0 -72.2 278 34 524.4 524.5 316.6 524.6 0.02 27 30 22620 -71.5 -79.5 29 8.0 -71.6 270 35 549.7 549.7 318.1 549.9 0.02 28 20 25030 -68.7 -77.7 26 9.0 -69.1 260 52 625.9 625.9 321.7 626.2 0.05 29 15 26784 -61.3 -70.3 29 9.0 -62.3 704.2 704.2 324.6 705.9 0.20 TRP 242 9962 -61.3 -67.3 45 6.0 -61.4 310 29 317.9 317.9 288.1 317.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5147.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 73.48 % Est. max temperature: 0.62 C = 33.12 F Sfc-Lift cond lev (LCL): 971.03 mb = 296.60 m = 973.08 ft T: -14.13 C 700-500 lapse rate: 6.42 C/km ThetaE index: 0.04 C Layer 1000.0- 939.0 mb Conv cond level (CCL): 658.95 mb = 3234.61 m = 10612.12 ft Mean mixing ratio: 1.14 g/kg Conv temperature: 11.86 C = 53.35 F Cap Strength: 20.32 C Lifted Index: 21.47 C Risk: None Lifted Index @300 mb: 29.66 C Lifted Index @700 mb: 15.74 C Showalter Index: 12.32 C Risk: None Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 18.90 C K Index: 3.50 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.22 J/kg Max Up Vert Vel: 8.74 m/s Conv Inhibition (B-): 50530.43 J/kg Cap Strength: 21.37 C Lift Cond Lev (LCL): 914.05 mb = 757.18 m = 2484.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 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 1003 50 225 5 3.5 3.5 | 151 22 -10.6 19.2 1 1000 73 230 7 5.4 4.5 | 157 22 -8.7 20.2 2 925 666 270 21 21.0 -0.0 | 204 17 6.9 15.7 3 850 1314 275 27 26.9 -2.4 | 224 18 12.8 13.3 4 700 2789 280 23 22.7 -4.0 | 216 14 8.6 11.7 5 500 5220 300 38 32.9 -19.0 | 280 19 18.8 -3.3 6 400 6750 310 44 33.7 -28.3 | 303 23 19.6 -12.6 7 300 8610 305 33 27.0 -18.9 | 284 13 12.9 -3.2 8 250 9760 310 29 22.2 -18.6 | 290 9 8.1 -3.0 9 242 9962 310 29 22.2 -18.6 | 290 9 8.1 -3.0 10 200 11140 305 29 23.8 -16.6 | 276 10 9.7 -0.9 11 150 12920 325 25 14.3 -20.5 | 357 5 0.2 -4.8 12 100 15420 320 27 17.4 -20.7 | 327 6 3.3 -5.0 13 70 17580 305 31 25.4 -17.8 | 280 11 11.3 -2.1 14 50 19600 295 31 28.1 -13.1 | 260 14 14.0 2.6 15 30 22620 270 35 35.0 -0.0 | 233 26 20.9 15.7 16 20 25030 260 52 51.2 9.0 | 236 45 37.1 24.7 Wind Parameters Mean winds (0-6000m): 288.1 at 28.1 knts Storm direction: 318.1 at 21.1 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 72.3 deg Storm rel helicity (0-3000m) pos: 134.4 neg: -8.8 tot: 125.6 m^2/s^2 ave: 41.9 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 4.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.77 Bulk Shear: 49.78 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 ------------------------------------------------------------------------------- 500 253 12 173 19| 15.0 0.0 15.0| 82.1 0.0 82.1 164.2 0.97| 15.9 15.4 1000 266 17 190 17| 11.1 0.0 11.1|115.8 0.0 115.8 115.8 0.97| 11.8 11.4 1500 270 20 201 17| 8.1 0.0 8.1|127.6 -1.1 126.5 84.3 0.93| 9.0 8.4 2000 272 21 206 17| 5.7 0.0 5.7|127.6 -4.1 123.5 61.7 0.86| 7.1 6.1 2500 273 22 209 16| 4.3 0.0 4.3|127.6 -7.4 120.2 48.1 0.79| 6.0 4.7 3000 274 22 210 16| 3.8 0.0 3.8|134.4 -8.8 125.6 41.9 0.77| 5.4 4.2 4000 278 24 217 15| 3.7 0.0 3.7|162.9 -8.8 154.1 38.5 0.81| 5.0 4.1 5000 283 26 228 15| 3.7 0.0 3.7|195.5 -8.8 186.7 37.3 0.83| 4.8 4.0 6000 288 28 241 14| 3.5 0.0 3.5|225.6 -8.8 216.8 36.1 0.84| 4.6 3.8 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251227.00.gif