UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 2 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 1006 7 -0.5 -0.9 97 0.4 -0.7 250 5 272.2 272.8 272.2 281.8 3.55 1 1000 55 0.0 -1.2 92 1.2 -0.5 260 7 273.1 273.7 272.7 282.6 3.50 2 985 176 1.8 -2.9 71 4.7 -0.0 269 9 276.1 276.7 273.9 284.8 3.13 3 969 308 0.8 -4.2 69 5.0 -1.1 278 10 276.4 276.9 273.7 284.4 2.89 4 925 680 -1.5 -6.5 69 5.0 -3.3 305 15 277.8 278.2 273.9 284.9 2.54 5 851 1336 -8.7 -11.5 80 2.8 -9.5 315 17 276.9 277.3 272.4 282.2 1.86 6 850 1345 -8.7 -11.6 79 2.9 -9.5 315 17 277.0 277.3 272.5 282.3 1.85 7 735 2454 -16.3 -23.3 55 7.0 -17.6 322 14 280.5 280.6 272.8 282.9 0.80 8 700 2819 -19.3 -27.3 49 8.0 -20.5 325 13 281.1 281.2 272.8 282.9 0.58 9 667 3176 -22.3 -33.3 36 11.0 -23.6 320 16 281.7 281.7 272.8 282.7 0.35 10 639 3490 -25.3 -35.3 39 10.0 -26.3 316 18 281.7 281.8 272.7 282.7 0.30 11 609 3839 -26.1 -33.1 52 7.0 -26.9 311 20 284.7 284.8 274.5 285.9 0.39 12 525 4899 -33.1 -36.7 70 3.6 -33.4 295 28 288.6 288.7 276.5 289.6 0.31 13 500 5240 -35.9 -39.3 71 3.4 -36.1 290 31 289.3 289.3 276.7 290.1 0.25 14 497 5282 -36.1 -39.5 71 3.4 -36.3 290 31 289.5 289.6 276.8 290.3 0.25 15 425 6340 -46.1 -49.6 68 3.5 -46.2 294 34 290.0 290.0 276.8 290.3 0.10 16 400 6740 -47.1 -50.6 67 3.5 -47.2 295 35 293.8 293.8 278.7 294.1 0.09 17 328 8041 -52.5 -57.5 55 5.0 -52.6 295 46 303.5 303.5 282.9 303.7 0.05 18 300 8620 -51.9 -57.9 48 6.0 -52.0 295 48 312.2 312.2 286.2 312.4 0.05 19 250 9800 -52.5 -59.5 43 7.0 -52.7 295 50 328.0 328.0 291.2 328.2 0.05 20 200 11240 -53.7 -62.7 32 9.0 -53.9 290 48 347.7 347.7 296.2 347.9 0.04 21 155 12871 -54.3 -65.3 25 11.0 -54.6 286 43 373.0 373.0 301.1 373.2 0.04 22 150 13080 -55.3 -67.3 21 12.0 -55.6 285 42 374.8 374.8 301.4 374.9 0.03 23 100 15630 -61.1 -74.1 16 13.0 -61.3 295 42 409.7 409.7 306.5 409.8 0.02 24 70 17820 -65.9 -78.9 15 13.0 -66.1 290 42 443.4 443.4 310.2 443.5 0.01 25 50 19840 -71.9 -84.9 13 13.0 -72.0 290 42 474.1 474.1 313.0 474.1 0.01 26 46 20329 -73.7 -86.7 12 13.0 -73.8 481.2 481.2 313.5 481.2 0.00 TRP 328 8041 -52.5 -57.5 55 5.0 -52.6 295 46 303.5 303.5 282.9 303.7 0.05 WND Sounding variables and indices 1000-500 mb thick: 5185.00 m Freezing level: Surface below freezing Freezing level: 1000.00 mb = 55.00 m = 180.44 ft Freezing level: 953.70 mb = 437.56 m = 1435.55 ft Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 61.58 % Est. max temperature: 4.33 C = 39.79 F Sfc-Lift cond lev (LCL): 999.61 mb = 58.13 m = 190.70 ft T: 0.05 C 700-500 lapse rate: 6.86 C/km ThetaE index: 2.67 C Layer 851.0- 850.0 mb Conv cond level (CCL): 881.21 mb = 1061.51 m = 3482.60 ft Mean mixing ratio: 2.84 g/kg Conv temperature: 4.64 C = 40.35 F Cap Strength: 4.32 C Lifted Index: 4.63 C Risk: None Lifted Index @300 mb: 19.74 C Lifted Index @700 mb: 0.19 C Showalter Index: 6.21 C Risk: None Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 24.30 C K Index: 7.60 Risk: None Sweat Index: 115.00 Risk: None Energy Index: 1.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.43 J/kg Max Up Vert Vel: 7.13 m/s Conv Inhibition (B-): 23.10 J/kg Cap Strength: 4.59 C Lift Cond Lev (LCL): 892.24 mb = 963.65 m = 3161.53 ft Lev Free Conv (LFC): 857.24 mb = 1278.42 m = 4194.23 ft Equ Level (EL): 767.24 mb = 2126.68 m = 6977.21 ft B at Equ Level: 24.82 J/kg Max Parcel Lev (MPL): 597.24 mb = 3978.06 m = 13051.22 ft Wind level data Storm motion: 332 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 1006 7 250 5 4.7 1.7 | 171 15 -2.3 14.9 1 1000 55 260 7 6.9 1.2 | 180 14 -0.1 14.4 2 925 680 305 15 12.3 -8.6 | 229 7 5.3 4.5 3 850 1345 315 17 12.0 -12.0 | 257 5 5.0 1.1 4 700 2819 325 13 7.5 -10.6 | 191 3 0.5 2.5 5 500 5240 290 31 29.1 -10.6 | 263 22 22.2 2.5 6 400 6740 295 35 31.7 -14.8 | 274 25 24.7 -1.6 7 328 8041 295 46 41.7 -19.4 | 280 35 34.7 -6.3 8 300 8620 295 48 43.5 -20.3 | 281 37 36.5 -7.1 9 250 9800 295 50 45.3 -21.1 | 282 39 38.3 -8.0 10 200 11240 290 48 45.1 -16.4 | 275 38 38.1 -3.3 11 150 13080 285 42 40.6 -10.9 | 266 34 33.6 2.3 12 100 15630 295 42 38.1 -17.7 | 278 31 31.1 -4.6 13 70 17820 290 42 39.5 -14.4 | 272 33 32.5 -1.2 14 50 19840 290 42 39.5 -14.4 | 272 33 32.5 -1.2 Wind Parameters Mean winds (0-6000m): 302.0 at 19.8 knts Storm direction: 332.0 at 14.9 knts Shear (0-3000m) pos: 2.3 neg: 0.1 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 54.9 deg Storm rel helicity (0-3000m) pos: 40.4 neg: -2.8 tot: 37.6 m^2/s^2 ave: 12.5 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.42 Bulk Shear: 17.90 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 ------------------------------------------------------------------------------- 500 280 10 192 12| 10.0 0.0 10.0| 29.0 0.0 29.0 58.1 0.83| 10.6 8.9 1000 297 12 207 8| 7.3 0.0 7.3| 37.2 0.0 37.2 37.2 0.81| 8.1 6.5 1500 304 14 219 7| 5.2 0.0 5.2| 39.4 -0.2 39.2 26.2 0.78| 6.2 4.8 2000 308 14 224 6| 3.7 0.0 3.7| 39.4 -1.1 38.3 19.1 0.67| 5.0 3.4 2500 311 14 225 5| 2.7 0.0 2.7| 39.4 -2.1 37.3 14.9 0.55| 4.4 2.4 3000 313 14 224 5| 2.3 0.1 2.4| 40.4 -2.8 37.6 12.5 0.52| 4.1 2.1 4000 313 15 236 5| 1.7 1.2 2.9| 43.8 -2.8 41.1 10.3 0.47| 4.2 2.0 5000 307 17 249 7| 1.4 1.9 3.3| 43.8 -9.9 33.9 6.8 0.32| 4.3 1.4 6000 302 20 255 10| 1.3 1.8 3.1| 56.2 -13.6 42.6 7.1 0.32| 4.0 1.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251202.12.gif