UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 11 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 ------------------------------------------------------------------------------- 0 1000 -43 180 5 SFC 993 11 -12.7 -14.1 89 1.4 -13.0 180 5 261.0 261.2 260.6 264.4 1.29 2 959 280 -7.9 -12.5 69 4.6 -9.1 194 5 268.4 268.7 266.4 272.6 1.52 3 925 560 -9.7 -14.3 69 4.6 -10.8 208 5 269.4 269.6 266.8 273.2 1.36 4 850 1210 -12.1 -18.1 61 6.0 -13.4 242 5 273.5 273.7 269.0 276.6 1.08 5 818 1503 -13.1 -20.1 56 7.0 -14.5 258 5 275.4 275.6 270.0 278.2 0.95 6 757 2088 -17.1 -25.1 50 8.0 -18.4 289 5 277.3 277.4 270.7 279.2 0.66 7 700 2670 -20.7 -39.7 17 19.0 -22.6 320 5 279.6 279.6 271.2 280.1 0.17 8 692 2755 -21.1 -40.1 16 19.0 -22.9 317 6 280.0 280.1 271.5 280.6 0.17 9 582 4014 -29.5 -47.5 16 18.0 -30.6 279 17 284.4 284.5 273.9 284.7 0.09 10 500 5080 -38.1 -44.1 53 6.0 -38.4 245 27 286.6 286.6 275.2 287.1 0.15 11 490 5218 -39.3 -45.3 53 6.0 -39.6 246 28 286.8 286.8 275.2 287.2 0.14 12 471 5488 -39.5 -45.5 53 6.0 -39.8 248 30 289.8 289.8 276.8 290.3 0.14 13 463 5605 -39.5 -45.5 53 6.0 -39.8 248 31 291.2 291.2 277.5 291.7 0.14 14 400 6590 -45.7 -54.7 36 9.0 -46.0 255 40 295.6 295.6 279.4 295.8 0.06 15 349 7485 -51.3 -61.3 29 10.0 -51.5 260 42 299.8 299.8 281.3 299.9 0.03 16 345 7560 -51.5 -62.5 26 11.0 -51.7 260 42 300.5 300.5 281.6 300.6 0.02 17 300 8460 -54.3 -65.3 25 11.0 -54.5 265 44 308.8 308.8 284.9 308.9 0.02 18 297 8524 -54.5 -65.5 25 11.0 -54.6 265 44 309.4 309.4 285.1 309.5 0.02 19 250 9630 -53.7 -64.7 25 11.0 -53.9 285 36 326.2 326.2 290.7 326.3 0.03 20 200 11060 -56.5 -68.5 21 12.0 -56.7 275 38 343.3 343.3 295.1 343.4 0.02 21 183 11624 -55.5 -68.5 18 13.0 -55.7 283 37 353.8 353.8 297.4 353.8 0.02 22 150 12880 -58.7 -72.7 15 14.0 -58.9 300 36 368.9 369.0 300.4 369.0 0.01 23 100 15390 -64.5 -78.5 13 14.0 -64.7 310 36 403.1 403.1 305.6 403.1 0.01 24 70 17540 -69.1 -83.1 11 14.0 -69.2 315 42 436.6 436.6 309.5 436.6 0.01 25 59 18562 -70.3 -84.3 11 14.0 -70.4 320 44 455.7 455.7 311.4 455.8 0.01 26 50 19540 -73.3 -87.3 10 14.0 -73.4 325 46 470.8 470.8 312.7 470.8 0.00 27 44 20282 -76.7 -89.7 11 13.0 -76.7 480.0 480.0 313.4 480.0 0.00 28 30 22480 -77.5 -89.5 13 12.0 -77.6 533.4 533.4 317.1 533.4 0.00 29 29 22674 -77.5 -89.5 13 12.0 -77.6 538.6 538.6 317.4 538.6 0.00 TRP 297 8524 -54.5 -65.5 25 11.0 -54.6 265 44 309.4 309.4 285.1 309.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5123.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 40.68 % Est. max temperature: 0.19 C = 32.35 F Sfc-Lift cond lev (LCL): 970.68 mb = 186.28 m = 611.15 ft T: -9.57 C 700-500 lapse rate: 7.22 C/km ThetaE index: 0.00 C Layer 993.0- 0.0 mb Conv cond level (CCL): 767.48 mb = 1983.78 m = 6508.39 ft Mean mixing ratio: 1.38 g/kg Conv temperature: 3.25 C = 37.84 F Cap Strength: 11.32 C Lifted Index: 12.33 C Risk: None Lifted Index @300 mb: 26.25 C Lifted Index @700 mb: 8.34 C Showalter Index: 8.52 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.00 C Cross Totals Index: 20.00 C K Index: -11.10 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.70 J/kg Max Up Vert Vel: 8.09 m/s Conv Inhibition (B-): 42977.09 J/kg Cap Strength: 12.32 C Lift Cond Lev (LCL): 880.66 mb = 937.63 m = 3076.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 282 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 ---------------------------------------------------------- 0 993 11 180 5 0.0 5.0 | 125 12 -10.1 7.1 1 700 2670 320 5 3.2 -3.8 | 76 7 -6.9 -1.7 2 500 5080 245 27 24.5 11.4 | 227 20 14.4 13.5 3 400 6590 255 40 38.6 10.4 | 246 31 28.6 12.4 4 300 8460 265 44 43.8 3.8 | 260 34 33.8 5.9 5 297 8524 265 44 43.8 3.8 | 260 34 33.8 5.9 6 250 9630 285 36 34.8 -9.3 | 286 26 24.7 -7.2 7 200 11060 275 38 37.9 -3.3 | 273 28 27.8 -1.2 8 150 12880 300 36 31.2 -18.0 | 307 26 21.1 -15.9 9 100 15390 310 36 27.6 -23.1 | 320 27 17.5 -21.0 10 70 17540 315 42 29.7 -29.7 | 325 34 19.6 -27.6 11 50 19540 325 46 26.4 -37.7 | 335 39 16.3 -35.6 Wind Parameters Mean winds (0-6000m): 251.7 at 13.7 knts Storm direction: 281.7 at 10.3 knts Shear (0-3000m) pos: 1.6 neg: 0.5 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): -74.0 deg Storm rel helicity (0-3000m) pos: 3.3 neg: -12.8 tot: -9.5 m^2/s^2 ave: -3.2 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 2.6 stream: -1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.79 Bulk Shear: 41.35 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 ------------------------------------------------------------------------------- 500 115 5 106 15| 2.3 0.0 2.3| 2.9 0.0 2.9 5.8 0.41| 2.4 1.0 1000 137 5 113 15| 2.3 0.0 2.3| 3.3 -0.2 3.0 3.0 0.22| 2.4 0.5 1500 165 5 121 13| 2.2 0.0 2.2| 3.3 -2.2 1.0 0.7 -0.02| 2.4 -0.0 2000 200 5 129 11| 2.0 0.0 2.0| 3.3 -5.3 -2.0 -1.0 -0.24| 2.4 -0.6 2500 238 5 129 7| 1.9 0.0 1.9| 3.3 -8.2 -4.9 -2.0 -0.36| 2.4 -0.9 3000 269 5 114 5| 1.6 0.5 2.1| 3.3 -12.8 -9.5 -3.2 -0.46| 2.6 -1.2 4000 278 7 109 3| 1.2 1.7 2.9| 3.3 -23.8 -20.5 -5.1 -0.63| 3.5 -2.2 5000 256 10 177 5| 0.9 2.5 3.5| 3.3 -55.1 -51.9 -10.4 -0.62| 4.3 -2.7 6000 252 14 205 7| 1.2 2.1 3.4| 34.4 -58.2 -23.8 -4.0 -0.42| 4.4 -1.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251211.12.gif