UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010712.upa.cvt Date: 1200Z 7 JAN 26 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 7 JAN 26 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 1023 11 -5.1 -5.9 94 0.8 -5.4 270 5 266.3 266.7 266.5 272.7 2.40 1 1020 34 -3.1 -4.5 90 1.4 -3.6 273 6 268.5 269.0 268.5 275.7 2.68 2 1008 127 -2.1 -3.1 93 1.0 -2.5 286 11 270.4 270.9 270.2 278.5 3.01 3 1000 190 -2.3 -3.3 93 1.0 -2.7 295 15 270.9 271.3 270.5 278.9 2.99 4 953 571 -4.1 -9.1 68 5.0 -5.7 320 10 272.8 273.1 270.1 278.4 2.01 5 949 604 -5.9 -10.9 68 5.0 -7.3 322 10 271.3 271.6 268.7 276.1 1.75 6 925 804 -7.7 -12.3 70 4.6 -8.9 335 7 271.4 271.7 268.6 275.9 1.60 7 850 1455 -13.3 -16.6 76 3.3 -14.0 330 15 272.2 272.4 268.5 275.7 1.23 8 808 1838 -17.1 -18.4 90 1.3 -17.4 326 16 272.1 272.3 268.2 275.3 1.11 9 776 2140 -17.7 -19.2 88 1.5 -18.0 323 16 274.7 274.8 269.8 277.8 1.08 10 773 2169 -17.7 -24.7 54 7.0 -18.8 323 16 275.0 275.1 269.2 276.9 0.67 11 761 2286 -18.5 -30.5 34 12.0 -20.1 321 16 275.3 275.4 269.0 276.5 0.40 12 751 2385 -19.5 -35.5 23 16.0 -21.2 320 16 275.3 275.3 268.7 276.1 0.25 13 700 2903 -23.3 -47.3 9 24.0 -25.0 315 17 276.7 276.7 269.2 276.9 0.08 14 677 3145 -25.3 -47.3 11 22.0 -26.8 316 18 277.1 277.1 269.5 277.4 0.08 15 554 4548 -40.5 -47.5 47 7.0 -40.8 322 24 275.5 275.5 268.5 275.8 0.09 16 500 5240 -42.5 -49.5 46 7.0 -42.8 325 27 281.2 281.2 272.0 281.5 0.08 17 422 6377 -46.9 -53.9 45 7.0 -47.1 325 18 289.6 289.6 276.5 289.8 0.06 18 400 6730 -49.3 -57.3 39 8.0 -49.5 325 15 290.9 290.9 277.2 291.1 0.04 19 347 7647 -56.3 -64.3 36 8.0 -56.4 327 13 293.5 293.5 278.4 293.6 0.02 20 300 8560 -61.3 -70.3 29 9.0 -61.4 330 11 298.9 298.9 280.9 299.0 0.01 21 281 8964 -63.7 -73.7 24 10.0 -63.7 325 9 301.1 301.1 281.8 301.2 0.01 22 250 9680 -64.5 -74.5 24 10.0 -64.6 305 9 310.2 310.2 285.4 310.2 0.01 23 200 11060 -62.7 -76.7 14 14.0 -62.8 290 19 333.5 333.5 292.7 333.5 0.01 24 174 11918 -61.9 -81.9 5 20.0 -62.0 285 18 348.3 348.3 296.3 348.3 0.00 25 150 12830 -63.7 -83.7 5 20.0 -63.8 280 17 360.3 360.3 298.8 360.4 0.00 26 134 13518 -66.3 -85.3 5 19.0 -66.4 283 19 367.5 367.5 300.1 367.5 0.00 27 100 15290 -66.7 -85.7 5 19.0 -66.8 290 25 398.9 398.9 305.0 398.9 0.00 28 70 17420 -70.5 -88.5 5 18.0 -70.6 280 25 433.6 433.6 309.2 433.6 0.00 29 50 19410 -73.1 -91.1 5 18.0 -73.2 265 35 471.2 471.2 312.7 471.2 0.00 30 47 19772 -73.7 -86.7 12 13.0 -73.8 478.2 478.2 313.3 478.2 0.00 TRP 281 8964 -63.7 -73.7 24 10.0 -63.7 325 9 301.1 301.1 281.8 301.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5050.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 49.38 % Est. max temperature: 0.61 C = 33.09 F Sfc-Lift cond lev (LCL): 1009.93 mb = 111.90 m = 367.12 ft T: -2.26 C 700-500 lapse rate: 8.22 C/km ThetaE index: 3.62 C Layer 953.0- 776.0 mb Conv cond level (CCL): 926.50 mb = 791.35 m = 2596.26 ft Mean mixing ratio: 2.33 g/kg Conv temperature: 0.05 C = 32.08 F Cap Strength: 1.28 C Lifted Index: 3.30 C Risk: None Lifted Index @300 mb: 15.15 C Lifted Index @700 mb: 1.17 C Showalter Index: 4.82 C Risk: None Total Totals Index: 55.10 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.20 C Cross Totals Index: 25.90 C K Index: -11.40 Risk: None Sweat Index: 179.00 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.25 J/kg Max Up Vert Vel: 10.79 m/s Conv Inhibition (B-): 10.31 J/kg Cap Strength: 2.52 C Lift Cond Lev (LCL): 929.27 mb = 768.02 m = 2519.71 ft Lev Free Conv (LFC): 904.27 mb = 978.48 m = 3210.19 ft Equ Level (EL): 774.27 mb = 2157.00 m = 7076.70 ft B at Equ Level: 35.76 J/kg Max Parcel Lev (MPL): 674.27 mb = 3173.22 m = 10410.69 ft Wind level data Storm motion: 351 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 1023 11 270 5 5.0 -0.0 | 192 14 3.0 13.6 1 1000 190 295 15 13.6 -6.3 | 238 14 11.5 7.3 2 925 804 335 7 3.0 -6.3 | 187 7 0.9 7.3 3 850 1455 330 15 7.5 -13.0 | 264 5 5.5 0.6 4 700 2903 315 17 12.0 -12.0 | 261 10 10.0 1.6 5 500 5240 325 27 15.5 -22.1 | 302 16 13.4 -8.5 6 400 6730 325 15 8.6 -12.3 | 259 7 6.6 1.3 7 300 8560 330 11 5.5 -9.5 | 220 5 3.5 4.1 8 281 8964 325 9 5.2 -7.4 | 207 7 3.1 6.2 9 250 9680 305 9 7.4 -5.2 | 212 10 5.3 8.4 10 200 11060 290 19 17.9 -6.5 | 246 17 15.8 7.1 11 150 12830 280 17 16.7 -3.0 | 234 18 14.7 10.7 12 100 15290 290 25 23.5 -8.6 | 257 22 21.4 5.1 13 70 17420 280 25 24.6 -4.3 | 248 24 22.6 9.3 14 50 19410 265 35 34.9 3.1 | 243 37 32.8 16.7 Wind Parameters Mean winds (0-6000m): 321.4 at 18.3 knts Storm direction: 351.4 at 13.8 knts Shear (0-3000m) pos: 1.5 neg: 1.5 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 71.3 deg Storm rel helicity (0-3000m) pos: 49.1 neg: -15.7 tot: 33.4 m^2/s^2 ave: 11.1 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 5.91 Bulk Shear: 9.85 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 ------------------------------------------------------------------------------- 500 299 12 227 11| 8.4 0.0 8.4| 38.2 -6.3 31.9 63.8 0.50| 17.2 8.6 1000 309 10 220 9| 4.4 0.0 4.4| 41.2 -14.8 26.3 26.3 0.24| 12.3 2.9 1500 317 11 225 8| 2.9 1.9 4.9| 48.0 -14.8 33.2 22.1 0.37| 10.2 3.7 2000 321 12 233 7| 2.2 1.7 3.9| 48.0 -14.9 33.1 16.6 0.35| 8.0 2.8 2500 321 13 240 7| 1.8 1.6 3.3| 48.0 -15.3 32.8 13.1 0.33| 6.7 2.2 3000 320 14 245 7| 1.5 1.5 3.0| 49.1 -15.7 33.4 11.1 0.32| 5.9 1.9 4000 319 15 255 8| 1.6 1.1 2.8| 61.0 -15.7 45.3 11.3 0.38| 5.0 1.9 5000 320 17 267 9| 1.8 0.9 2.7| 74.3 -15.7 58.6 11.7 0.43| 4.5 1.9 6000 321 18 275 9| 1.4 0.5 1.9| 77.2 -25.4 51.9 8.6 0.32| 4.4 1.4 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20260107.12.gif