UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 26 APR 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 1012 10 -8.9 -10.0 92 1.1 -9.2 180 5 263.4 263.6 263.3 268.1 1.76 1 1000 103 -6.5 -7.6 92 1.1 -6.8 200 9 266.6 267.0 266.3 272.4 2.15 2 991 174 -4.3 -5.0 95 0.7 -4.6 203 9 269.5 270.0 269.1 276.7 2.65 3 987 206 -1.5 -2.1 96 0.6 -1.7 205 9 272.7 273.2 272.1 281.7 3.31 4 982 246 -1.5 -2.7 92 1.2 -2.0 207 9 273.1 273.6 272.2 281.7 3.19 5 955 467 -2.5 -7.0 71 4.5 -4.0 218 9 274.2 274.6 271.6 280.8 2.36 6 925 718 -5.1 -9.0 74 3.9 -6.3 230 9 274.1 274.4 271.1 279.9 2.09 7 860 1285 -9.9 -11.2 90 1.3 -10.3 230 12 274.9 275.2 271.2 280.2 1.89 8 850 1375 -10.7 -12.1 89 1.4 -11.1 230 13 274.9 275.2 271.1 279.9 1.78 9 778 2048 -16.9 -19.0 84 2.1 -17.3 237 12 275.3 275.5 270.2 278.5 1.09 10 700 2832 -22.5 -24.7 82 2.2 -22.8 245 11 277.6 277.7 271.0 279.8 0.74 11 600 3940 -31.5 -33.9 79 2.4 -31.7 245 18 279.7 279.7 271.6 280.8 0.36 12 501 5196 -37.7 -39.5 83 1.8 -37.8 245 27 286.9 287.0 275.5 287.7 0.25 13 500 5210 -37.9 -39.7 83 1.8 -38.0 245 27 286.8 286.9 275.4 287.6 0.24 14 400 6720 -47.9 -49.6 82 1.7 -48.0 240 42 292.7 292.8 278.2 293.1 0.10 15 371 7214 -51.9 -54.0 78 2.1 -52.0 242 44 293.8 293.8 278.6 294.0 0.07 16 342 7740 -54.3 -56.4 78 2.1 -54.4 245 46 297.5 297.5 280.3 297.6 0.05 17 330 7969 -54.1 -56.2 78 2.1 -54.1 248 42 300.8 300.8 281.7 301.0 0.06 18 305 8481 -49.5 -51.7 78 2.2 -49.6 254 35 314.1 314.1 286.9 314.5 0.11 19 300 8590 -48.7 -51.0 77 2.3 -48.8 255 33 316.7 316.7 287.8 317.2 0.12 20 250 9790 -46.5 -50.3 65 3.8 -46.7 245 27 336.9 337.0 293.7 337.5 0.15 21 236 10174 -44.3 -49.3 57 5.0 -44.6 248 24 345.9 345.9 295.9 346.6 0.18 22 200 11280 -44.9 -51.9 45 7.0 -45.3 255 17 361.7 361.7 299.1 362.4 0.16 23 150 13190 -47.1 -59.1 24 12.0 -47.7 260 17 388.9 388.9 303.7 389.3 0.09 24 100 15870 -49.3 -63.3 18 14.0 -50.1 275 11 432.5 432.5 309.1 432.9 0.08 25 70 18190 -51.7 -67.7 13 16.0 -52.7 270 13 473.8 473.8 313.0 474.1 0.06 26 50 20360 -53.1 -69.1 13 16.0 -54.2 335 3 518.3 518.4 316.2 518.8 0.07 27 37 22295 -54.9 -70.9 12 16.0 -56.1 72 5 560.3 560.4 318.7 560.8 0.07 28 30 23640 -54.1 -70.1 12 16.0 -55.6 140 7 597.2 597.2 320.5 597.9 0.10 29 22 25640 -52.9 -69.9 11 17.0 -55.1 102 16 656.1 656.2 323.0 657.3 0.14 30 20 26260 -50.3 -68.3 10 18.0 -53.4 90 19 682.2 682.3 323.9 683.9 0.19 31 10 30890 -39.9 -60.9 9 21.0 -49.0 870.6 871.2 329.1 882.0 1.05 TRP 342 7740 -54.3 -56.4 78 2.1 -54.4 245 46 297.5 297.5 280.3 297.6 0.05 WND Sounding variables and indices 1000-500 mb thick: 5107.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 82.41 % Est. max temperature: 2.62 C = 36.72 F Sfc-Lift cond lev (LCL): 994.18 mb = 148.62 m = 487.60 ft T: -5.08 C 700-500 lapse rate: 6.48 C/km ThetaE index: 1.82 C Layer 955.0- 860.0 mb Conv cond level (CCL): 1000.00 mb = 103.00 m = 337.92 ft Mean mixing ratio: 2.42 g/kg Conv temperature: -5.22 C = 22.60 F Cap Strength: 6.96 C Lifted Index: 6.90 C Risk: None Lifted Index @300 mb: 26.81 C Lifted Index @700 mb: 0.98 C Showalter Index: 6.08 C Risk: None Total Totals Index: 53.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 25.80 C K Index: 12.90 Risk: None Sweat Index: 133.00 Risk: None Energy Index: 1.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.06 J/kg Max Up Vert Vel: 8.61 m/s Conv Inhibition (B-): 76314.62 J/kg Cap Strength: 6.98 C Lift Cond Lev (LCL): 920.94 mb = 752.20 m = 2467.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 13 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 1012 10 180 5 0.0 5.0 | 112 14 -12.8 5.1 1 1000 103 200 9 3.1 8.5 | 132 13 -9.7 8.6 2 925 718 230 9 6.9 5.8 | 135 8 -5.9 5.9 3 850 1375 230 13 10.0 8.4 | 162 9 -2.8 8.5 4 700 2832 245 11 10.0 4.6 | 150 6 -2.8 4.8 5 500 5210 245 27 24.5 11.4 | 225 16 11.7 11.5 6 400 6720 240 42 36.4 21.0 | 228 32 23.6 21.1 7 342 7740 245 46 41.7 19.4 | 236 35 28.9 19.6 8 300 8590 255 33 31.9 8.5 | 246 21 19.1 8.7 9 250 9790 245 27 24.5 11.4 | 225 16 11.7 11.5 10 200 11280 255 17 16.4 4.4 | 219 6 3.7 4.5 11 150 13190 260 17 16.7 3.0 | 232 5 4.0 3.1 12 100 15870 275 11 11.0 -1.0 | 65 2 -1.8 -0.8 13 70 18190 270 13 13.0 -0.0 | 242 0 0.2 0.1 14 50 20360 335 3 1.3 -2.7 | 77 12 -11.5 -2.6 15 30 23640 140 7 -4.5 5.4 | 108 18 -17.3 5.5 16 20 26260 90 19 -19.0 0.0 | 90 32 -31.8 0.1 Wind Parameters Mean winds (0-6000m): 240.6 at 17.0 knts Storm direction: 270.6 at 12.8 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 50.2 deg Storm rel helicity (0-3000m) pos: 28.6 neg: -2.5 tot: 26.1 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.36 Bulk Shear: 15.69 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 ------------------------------------------------------------------------------- 500 207 9 131 12| 6.3 0.0 6.3| 18.1 0.0 18.1 36.1 0.69| 8.0 5.5 1000 218 9 135 10| 4.4 0.0 4.4| 22.1 -0.1 22.0 22.0 0.64| 5.7 3.7 1500 223 10 142 10| 3.6 0.0 3.6| 26.9 -0.2 26.7 17.8 0.68| 4.6 3.1 2000 226 11 146 9| 2.6 0.0 2.6| 26.9 -0.9 26.0 13.0 0.60| 3.8 2.3 2500 229 11 148 9| 2.1 0.0 2.1| 26.9 -1.8 25.1 10.0 0.52| 3.3 1.7 3000 232 11 149 8| 1.9 0.0 1.9| 28.6 -2.5 26.1 8.7 0.50| 3.1 1.5 4000 236 12 159 7| 1.4 0.9 2.3| 38.4 -2.5 35.9 9.0 0.58| 3.2 1.9 5000 239 14 176 7| 1.1 1.4 2.5| 48.2 -2.5 45.7 9.1 0.56| 3.2 1.8 6000 241 17 194 9| 0.9 2.0 2.9| 54.8 -2.5 52.3 8.7 0.46| 3.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250426.00.gif