UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 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 ------------------------------------------------------------------------------- SFC 1000 9 -4.5 -5.0 96 0.5 -4.7 20 1 268.6 269.1 268.5 275.7 2.63 1 984 136 -2.3 -4.4 85 2.1 -3.0 13 3 272.1 272.6 270.9 279.7 2.80 2 946 445 -4.9 -10.9 63 6.0 -6.7 355 7 272.5 272.8 269.6 277.4 1.76 3 925 620 -6.5 -12.5 62 6.0 -8.1 345 9 272.7 272.9 269.4 277.1 1.58 4 850 1274 -12.1 -16.6 69 4.5 -13.1 345 5 273.5 273.7 269.2 277.0 1.23 5 824 1511 -14.1 -18.0 72 3.9 -14.9 336 6 273.8 274.0 269.3 277.0 1.12 6 810 1641 -14.3 -18.3 72 4.0 -15.2 331 7 274.9 275.1 270.0 278.1 1.11 7 764 2084 -14.9 -31.9 22 17.0 -17.3 315 9 278.9 279.0 271.1 280.0 0.35 8 740 2324 -16.5 -37.5 14 21.0 -19.0 306 11 279.7 279.8 271.4 280.4 0.21 9 702 2718 -20.3 -29.3 44 9.0 -21.5 291 13 279.8 279.9 271.9 281.3 0.48 10 700 2739 -20.1 -29.1 45 9.0 -21.4 290 13 280.2 280.3 272.2 281.7 0.49 11 672 3040 -21.3 -27.3 58 6.0 -22.2 286 16 282.2 282.3 273.5 284.0 0.61 12 569 4248 -27.9 -31.8 69 3.9 -28.3 268 28 288.2 288.3 276.5 289.7 0.47 13 500 5160 -35.9 -39.8 67 3.9 -36.2 255 38 289.3 289.3 276.7 290.1 0.24 14 400 6670 -49.9 -54.0 62 4.1 -50.0 245 42 290.1 290.1 276.8 290.4 0.06 15 384 6935 -52.3 -56.4 61 4.1 -52.4 251 43 290.4 290.4 276.9 290.6 0.05 16 359 7372 -51.3 -55.2 63 3.9 -51.4 260 44 297.4 297.4 280.3 297.6 0.06 17 341 7706 -52.1 -56.2 61 4.1 -52.2 267 44 300.7 300.7 281.7 300.9 0.06 18 300 8530 -54.7 -59.2 57 4.5 -54.8 285 46 308.2 308.3 284.7 308.4 0.04 19 283 8902 -56.5 -61.3 55 4.8 -56.6 280 46 310.8 310.9 285.7 311.0 0.04 20 250 9690 -56.1 -61.1 53 5.0 -56.2 285 48 322.7 322.7 289.6 322.8 0.04 21 200 11100 -56.5 -62.5 47 6.0 -56.6 295 48 343.3 343.3 295.1 343.5 0.04 22 197 11196 -56.5 -63.5 41 7.0 -56.6 296 48 344.8 344.8 295.5 344.9 0.04 23 150 12910 -60.7 -68.7 34 8.0 -60.8 305 44 365.5 365.5 299.8 365.6 0.02 24 101 15340 -65.9 -74.9 27 9.0 -66.0 310 46 399.3 399.3 305.1 399.3 0.01 25 100 15400 -65.7 -74.7 27 9.0 -65.8 310 46 400.8 400.8 305.3 400.9 0.02 26 70 17540 -70.5 -79.5 25 9.0 -70.6 310 42 433.6 433.6 309.2 433.6 0.01 27 69 17625 -70.3 -79.3 25 9.0 -70.4 311 42 435.8 435.8 309.4 435.8 0.01 28 57 18743 -76.3 -85.3 23 9.0 -76.3 319 47 446.6 446.6 310.6 446.7 0.00 29 50 19500 -75.5 -84.5 23 9.0 -75.6 325 50 465.6 465.6 312.3 465.6 0.01 30 43 20369 -77.3 -87.3 19 10.0 -77.4 481.7 481.7 313.6 481.7 0.00 TRP 283 8902 -56.5 -61.3 55 4.8 -56.6 280 46 310.8 310.9 285.7 311.0 0.04 WND Sounding variables and indices 1000-500 mb thick: 5151.19 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 59.61 % Est. max temperature: 0.32 C = 32.58 F Sfc-Lift cond lev (LCL): 992.02 mb = 71.82 m = 235.61 ft T: -3.41 C 700-500 lapse rate: 6.53 C/km ThetaE index: 2.76 C Layer 946.0- 824.0 mb Conv cond level (CCL): 875.34 mb = 1046.78 m = 3434.28 ft Mean mixing ratio: 2.02 g/kg Conv temperature: 0.05 C = 32.09 F Cap Strength: 9.55 C Lifted Index: 9.78 C Risk: None Lifted Index @300 mb: 21.60 C Lifted Index @700 mb: 4.26 C Showalter Index: 10.43 C Risk: None Total Totals Index: 43.10 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 19.30 C K Index: -1.80 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.44 J/kg Max Up Vert Vel: 4.11 m/s Conv Inhibition (B-): 30780.53 J/kg Cap Strength: 9.73 C Lift Cond Lev (LCL): 888.63 mb = 930.25 m = 3051.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 15 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 1000 9 20 1 -0.3 -0.9 | 114 15 -13.4 6.0 1 1000 8 20 1 -0.3 -0.9 | 114 15 -13.4 6.0 2 925 620 345 9 2.3 -8.7 | 81 11 -10.7 -1.8 3 850 1274 345 5 1.3 -4.8 | 100 12 -11.7 2.1 4 700 2739 290 13 12.2 -4.4 | 162 3 -0.8 2.5 5 500 5160 255 38 36.7 9.8 | 235 29 23.7 16.8 6 400 6670 245 42 38.1 17.7 | 225 35 25.0 24.7 7 300 8530 285 46 44.4 -11.9 | 279 32 31.4 -5.0 8 283 8902 280 46 45.3 -8.0 | 272 32 32.3 -1.1 9 250 9690 285 48 46.4 -12.4 | 279 34 33.3 -5.5 10 200 11100 295 48 43.5 -20.3 | 294 33 30.5 -13.4 11 150 12910 305 44 36.0 -25.2 | 308 29 23.0 -18.3 12 100 15400 310 46 35.2 -29.6 | 316 32 22.2 -22.6 13 70 17540 310 42 32.2 -27.0 | 316 28 19.2 -20.1 14 50 19500 325 50 28.7 -41.0 | 335 37 15.7 -34.0 Wind Parameters Mean winds (0-6000m): 268.0 at 19.7 knts Storm direction: 298.0 at 14.7 knts Shear (0-3000m) pos: 0.0 neg: 2.7 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 15.8 neg: -29.6 tot: -13.8 m^2/s^2 ave: -4.6 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 49.93 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 ------------------------------------------------------------------------------- 500 349 4 103 12| 0.0 6.9 6.9| 0.0 -22.5 -22.5 -45.1 -0.91| 7.1 -6.5 1000 347 6 95 12| 0.0 3.0 3.0| 6.4 -26.2 -19.8 -19.8 -0.50| 5.5 -2.7 1500 345 6 96 12| 0.0 1.9 1.9| 10.6 -28.0 -17.3 -11.6 -0.34| 4.6 -1.6 2000 339 6 95 11| 0.0 2.2 2.2| 10.6 -29.6 -19.0 -9.5 -0.30| 4.4 -1.3 2500 327 7 96 9| 0.0 2.4 2.4| 12.5 -29.6 -17.2 -6.9 -0.16| 4.4 -0.7 3000 315 8 99 7| 0.0 2.7 2.7| 15.8 -29.6 -13.8 -4.6 0.05| 4.6 0.2 4000 296 11 125 3| 0.0 3.4 3.4| 19.0 -30.2 -11.1 -2.8 0.09| 4.9 0.4 5000 278 16 207 5| 0.0 3.8 3.8| 19.0 -48.3 -29.3 -5.9 0.00| 5.3 0.0 6000 268 20 221 10| 0.0 3.5 3.5| 19.0 -77.1 -58.1 -9.7 -0.06| 5.0 -0.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251211.00.gif