UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 10 DEC 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1004 8 -8.9 -10.0 92 1.1 -9.2 180 3 263.9 264.2 263.7 268.7 1.78 1 1000 39 -8.1 -9.4 90 1.3 -8.5 185 5 265.0 265.4 264.7 270.1 1.87 2 994 86 -6.3 -7.9 88 1.6 -6.8 187 5 267.3 267.7 266.7 273.0 2.12 3 975 237 -4.5 -6.2 88 1.7 -5.1 195 5 270.6 271.0 269.5 277.3 2.46 4 925 650 -6.1 -7.8 88 1.7 -6.7 215 5 273.1 273.5 270.8 279.4 2.29 5 850 1307 -9.9 -12.7 80 2.8 -10.6 239 7 275.8 276.1 271.5 280.6 1.69 6 843 1371 -10.3 -13.1 80 2.8 -11.1 242 7 276.0 276.3 271.5 280.7 1.65 7 833 1463 -12.3 -14.7 82 2.4 -12.9 245 7 274.8 275.1 270.5 279.0 1.47 8 806 1714 -12.7 -14.9 84 2.2 -13.2 255 8 277.0 277.3 271.9 281.3 1.49 9 771 2054 -12.5 -14.6 84 2.1 -13.0 267 9 280.8 281.0 274.2 285.4 1.60 10 700 2788 -15.7 -18.2 81 2.5 -16.3 295 11 285.1 285.3 276.2 289.0 1.30 11 601 3920 -22.7 -26.0 74 3.3 -23.2 293 16 289.7 289.8 277.7 292.1 0.76 12 500 5240 -33.1 -36.2 74 3.1 -33.4 290 23 292.7 292.7 278.5 293.8 0.35 13 400 6770 -45.7 -49.5 65 3.8 -45.9 285 29 295.6 295.6 279.5 296.0 0.10 14 367 7338 -50.1 -54.2 62 4.1 -50.2 288 31 297.1 297.1 280.1 297.3 0.07 15 300 8630 -58.1 -62.5 57 4.4 -58.2 295 36 303.4 303.5 282.8 303.6 0.03 16 273 9222 -60.9 -65.0 58 4.1 -60.9 295 42 307.7 307.7 284.5 307.8 0.02 17 250 9770 -61.7 -65.9 57 4.2 -61.7 295 44 314.3 314.3 286.9 314.4 0.02 18 238 10074 -62.3 -66.6 56 4.3 -62.3 295 43 317.9 317.9 288.1 318.0 0.02 19 200 11150 -61.5 -65.8 56 4.3 -61.6 295 40 335.4 335.4 293.2 335.5 0.03 20 196 11275 -60.9 -65.1 57 4.2 -61.0 295 40 338.3 338.3 293.9 338.4 0.03 21 150 12920 -63.9 -68.8 51 4.9 -64.0 295 36 360.0 360.0 298.7 360.1 0.02 22 100 15380 -66.9 -71.9 49 5.0 -67.0 305 35 398.5 398.5 305.0 398.6 0.02 23 70 17510 -72.7 -78.7 40 6.0 -72.8 310 38 428.9 428.9 308.7 428.9 0.01 24 61 18313 -75.3 -81.3 39 6.0 -75.3 440.3 440.3 309.9 440.3 0.01 TRP 273 9222 -60.9 -65.0 58 4.1 -60.9 295 42 307.7 307.7 284.5 307.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5201.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 80.13 % Est. max temperature: 2.79 C = 37.02 F Sfc-Lift cond lev (LCL): 986.33 mb = 146.62 m = 481.04 ft T: -5.58 C 700-500 lapse rate: 7.10 C/km ThetaE index: 1.69 C Layer 833.0- 806.0 mb Conv cond level (CCL): 1000.00 mb = 39.00 m = 127.95 ft Mean mixing ratio: 2.28 g/kg Conv temperature: -6.58 C = 20.16 F Cap Strength: 11.67 C Lifted Index: 12.93 C Risk: None Lifted Index @300 mb: 18.52 C Lifted Index @700 mb: 9.01 C Showalter Index: 10.36 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 20.40 C K Index: 8.00 Risk: None Sweat Index: 36.64 Risk: None Energy Index: 2.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.51 J/kg Max Up Vert Vel: 7.42 m/s Conv Inhibition (B-): 24224.83 J/kg Cap Strength: 12.85 C Lift Cond Lev (LCL): 927.57 mb = 628.23 m = 2061.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 10 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 1004 8 180 3 0.0 3.0 | 145 13 -7.2 10.3 1 1000 39 185 5 0.4 5.0 | 151 14 -6.8 12.2 2 925 650 215 5 2.9 4.1 | 159 12 -4.3 11.4 3 700 2788 295 11 10.0 -4.6 | 227 4 2.8 2.6 4 500 5240 290 23 21.6 -7.9 | 272 14 14.4 -0.6 5 400 6770 285 29 28.0 -7.5 | 271 21 20.8 -0.2 6 300 8630 295 36 32.6 -15.2 | 287 27 25.4 -8.0 7 273 9222 295 42 38.1 -17.7 | 289 33 30.9 -10.5 8 250 9770 295 44 39.9 -18.6 | 289 35 32.7 -11.3 9 200 11150 295 40 36.3 -16.9 | 288 31 29.1 -9.6 10 150 12920 295 36 32.6 -15.2 | 287 27 25.4 -8.0 11 100 15380 305 35 28.7 -20.1 | 301 25 21.5 -12.8 12 70 17510 310 38 29.1 -24.4 | 308 28 21.9 -17.2 Wind Parameters Mean winds (0-6000m): 285.3 at 13.6 knts Storm direction: 315.3 at 10.2 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 94.4 deg Storm rel helicity (0-3000m) pos: 34.0 neg: 0.0 tot: 34.0 m^2/s^2 ave: 11.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.00 Bulk Shear: 27.65 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 ------------------------------------------------------------------------------- 500 196 5 154 13| 2.8 0.0 2.8| 10.1 0.0 10.1 20.1 0.76| 3.9 3.0 1000 208 5 158 13| 2.4 0.0 2.4| 16.0 0.0 16.0 16.0 0.79| 3.1 2.5 1500 221 6 163 12| 2.3 0.0 2.3| 22.3 0.0 22.3 14.9 0.81| 3.0 2.4 2000 235 6 169 11| 2.3 0.0 2.3| 27.5 0.0 27.5 13.8 0.78| 3.0 2.3 2500 251 7 176 9| 2.3 0.0 2.3| 31.4 0.0 31.4 12.5 0.75| 3.1 2.3 3000 266 8 183 8| 2.3 0.0 2.3| 34.0 0.0 34.0 11.3 0.74| 3.1 2.3 4000 278 9 199 6| 1.7 0.6 2.4| 38.2 0.0 38.2 9.5 0.70| 3.0 2.1 5000 283 11 221 6| 1.4 1.0 2.4| 41.6 0.0 41.6 8.3 0.62| 2.9 1.8 6000 285 14 238 7| 1.2 1.2 2.4| 42.3 -0.7 41.6 6.9 0.54| 2.8 1.5 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251210.00.gif