UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 21 OCT 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 1009 10 3.8 -1.2 70 5.0 1.7 225 11 276.2 276.8 274.4 285.8 3.47 1 1000 83 3.8 -3.2 60 7.0 1.0 225 15 277.0 277.5 274.2 285.3 3.01 2 925 708 -2.5 -7.3 70 4.8 -4.1 245 19 276.8 277.2 273.1 283.4 2.38 3 850 1375 -7.1 -19.1 38 12.0 -9.9 240 21 278.7 278.9 272.1 281.6 0.99 4 792 1921 -11.3 -23.3 36 12.0 -13.7 249 22 279.9 280.0 272.4 282.1 0.74 5 729 2553 -12.9 -31.9 19 19.0 -15.9 260 24 284.9 284.9 274.6 286.0 0.36 6 700 2861 -15.1 -35.1 16 20.0 -17.9 265 25 285.8 285.8 274.9 286.7 0.28 7 688 2992 -16.1 -36.1 16 20.0 -18.7 266 27 286.1 286.1 275.0 286.9 0.25 8 642 3508 -20.7 -33.7 30 13.0 -22.4 268 33 286.6 286.6 275.5 287.7 0.35 9 567 4419 -25.3 -29.8 66 4.5 -25.9 271 46 291.5 291.6 278.3 293.3 0.57 10 542 4745 -27.9 -32.2 67 4.3 -28.4 273 50 292.2 292.3 278.5 293.7 0.47 11 500 5320 -32.3 -36.7 65 4.4 -32.7 275 58 293.7 293.7 279.0 294.8 0.33 12 486 5519 -33.9 -38.2 65 4.3 -34.3 276 59 294.1 294.1 279.1 295.1 0.29 13 420 6529 -39.3 -44.2 60 4.9 -39.6 283 61 299.7 299.7 281.5 300.3 0.18 14 400 6860 -42.3 -47.3 58 5.0 -42.5 285 62 300.0 300.0 281.5 300.5 0.13 15 331 8115 -51.7 -56.7 55 5.0 -51.8 292 71 303.8 303.8 283.0 304.0 0.05 16 304 8665 -53.9 -58.9 54 5.0 -54.1 295 75 308.1 308.1 284.7 308.3 0.04 17 300 8750 -54.3 -59.3 54 5.0 -54.4 295 75 308.8 308.8 284.9 309.0 0.04 18 290 8967 -54.9 -60.9 47 6.0 -55.0 295 75 311.0 311.0 285.7 311.1 0.04 19 288 9011 -54.9 -60.9 47 6.0 -55.0 295 75 311.6 311.6 285.9 311.7 0.04 20 250 9920 -52.9 -59.9 42 7.0 -53.1 295 66 327.4 327.4 291.0 327.6 0.05 21 227 10542 -51.5 -59.5 38 8.0 -51.7 291 56 338.7 338.7 294.1 339.0 0.06 22 200 11360 -52.1 -62.1 29 10.0 -52.4 285 44 350.3 350.3 296.7 350.5 0.04 23 156 12959 -54.9 -67.9 19 13.0 -55.2 281 34 371.3 371.3 300.8 371.4 0.03 24 150 13210 -54.5 -67.5 19 13.0 -54.8 280 33 376.2 376.2 301.6 376.3 0.03 25 129 14177 -53.3 -67.3 17 14.0 -53.7 276 31 394.9 394.9 304.5 395.1 0.03 26 100 15800 -57.5 -73.5 11 16.0 -57.9 270 27 416.6 416.6 307.3 416.7 0.02 27 86 16754 -57.3 -74.3 10 17.0 -57.8 262 25 435.4 435.4 309.4 435.5 0.02 28 80 17208 -60.7 -76.7 10 16.0 -61.0 257 24 437.5 437.5 309.6 437.6 0.01 29 70 18040 -60.7 -77.7 9 17.0 -61.0 250 23 454.5 454.5 311.3 454.6 0.01 30 68 18220 -60.7 -77.7 9 17.0 -61.1 251 23 458.3 458.3 311.6 458.4 0.01 31 57 19304 -65.5 -82.5 8 17.0 -65.7 256 23 471.1 471.1 312.7 471.2 0.01 32 50 20100 -65.1 -82.1 8 17.0 -65.4 260 23 490.1 490.1 314.2 490.1 0.01 33 36 22100 -66.9 -83.9 7 17.0 -67.2 263 24 533.7 533.7 317.2 533.8 0.01 34 30 23210 -64.9 -82.9 7 18.0 -65.4 265 25 567.7 567.7 319.0 567.8 0.01 35 29 23418 -64.1 -82.1 7 18.0 -64.7 262 26 575.4 575.5 319.5 575.6 0.02 36 21 25376 -69.1 -86.1 7 17.0 -69.5 239 30 616.0 616.0 321.3 616.1 0.01 37 20 25670 -66.5 -83.5 7 17.0 -67.1 235 31 632.6 632.6 322.0 632.8 0.02 38 10 29920 -59.1 -78.1 7 19.0 -61.4 230 38 798.9 799.0 327.3 799.8 0.09 39 9.4 30308 -59.1 -78.1 7 19.0 -61.6 813.2 813.3 327.6 814.2 0.10 TRP 290 8967 -54.9 -60.9 47 6.0 -55.0 295 75 311.0 311.0 285.7 311.1 0.04 WND 304 8665 -53.9 -58.9 54 5.0 -54.1 295 75 308.1 308.1 284.7 308.3 0.04 Sounding variables and indices 1000-500 mb thick: 5237.00 m Freezing level: 954.76 mb = 459.98 m = 1509.12 ft Wetbulb zero: 985.22 mb = 202.34 m = 663.84 ft Precipitable water: 0.23 inches Sfc-500 mean rel hum: 45.50 % Est. max temperature: 6.03 C = 42.86 F Sfc-Lift cond lev (LCL): 933.91 mb = 631.12 m = 2070.57 ft T: -1.73 C 700-500 lapse rate: 6.99 C/km ThetaE index: 4.13 C Layer 1000.0- 792.0 mb Conv cond level (CCL): 852.20 mb = 1354.64 m = 4444.29 ft Mean mixing ratio: 2.66 g/kg Conv temperature: 6.21 C = 43.18 F Cap Strength: 7.59 C Lifted Index: 8.29 C Risk: None Lifted Index @300 mb: 17.40 C Lifted Index @700 mb: 4.45 C Showalter Index: 10.34 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 25.20 C Cross Totals Index: 13.20 C K Index: -13.90 Risk: None Sweat Index: 196.70 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.65 J/kg Max Up Vert Vel: 1.14 m/s Conv Inhibition (B-): 57046.75 J/kg Cap Strength: 8.19 C Lift Cond Lev (LCL): 875.61 mb = 1140.82 m = 3742.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 26 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 1009 10 225 11 7.8 7.8 | 142 24 -15.1 19.1 1 1000 83 225 15 10.6 10.6 | 151 25 -12.3 22.0 2 925 708 245 19 17.2 8.0 | 164 20 -5.6 19.4 3 850 1375 240 21 18.2 10.5 | 168 22 -4.7 21.9 4 700 2861 265 25 24.9 2.2 | 189 14 2.0 13.5 5 500 5320 275 58 57.8 -5.1 | 260 35 34.9 6.3 6 400 6860 285 62 59.9 -16.0 | 277 37 37.0 -4.7 7 304 8665 295 75 68.0 -31.7 | 294 49 45.1 -20.3 8 300 8750 295 75 68.0 -31.7 | 294 49 45.1 -20.3 9 290 8967 295 75 68.0 -31.7 | 294 49 45.1 -20.3 10 250 9920 295 66 59.8 -27.9 | 294 40 37.0 -16.5 11 200 11360 285 44 42.5 -11.4 | 270 20 19.6 -0.0 12 150 13210 280 33 32.5 -5.7 | 240 11 9.6 5.6 13 100 15800 270 27 27.0 -0.0 | 200 12 4.1 11.4 14 70 18040 250 23 21.6 7.9 | 176 19 -1.2 19.2 15 50 20100 260 23 22.7 4.0 | 179 15 -0.2 15.4 16 30 23210 265 25 24.9 2.2 | 189 14 2.0 13.5 17 20 25670 235 31 25.4 17.8 | 185 29 2.5 29.1 18 10 29920 230 38 29.1 24.4 | 190 36 6.2 35.8 Wind Parameters Mean winds (0-6000m): 266.4 at 34.0 knts Storm direction: 296.4 at 25.5 knts Shear (0-3000m) pos: 3.3 neg: 0.3 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 55.1 deg Storm rel helicity (0-3000m) pos: 103.5 neg: 0.0 tot: 103.5 m^2/s^2 ave: 34.5 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 69.35 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 ------------------------------------------------------------------------------- 500 232 16 154 24| 7.7 0.0 7.7| 47.6 0.0 47.6 95.2 0.86| 8.9 7.7 1000 238 17 159 22| 5.1 0.0 5.1| 60.5 0.0 60.5 60.5 0.80| 6.3 5.0 1500 239 19 162 22| 3.4 0.5 3.9| 68.5 0.0 68.5 45.7 0.78| 4.9 3.8 2000 241 19 164 21| 3.2 0.4 3.6| 80.3 0.0 80.3 40.2 0.75| 4.6 3.4 2500 245 20 167 20| 3.1 0.3 3.4| 90.2 0.0 90.2 36.1 0.72| 4.4 3.2 3000 249 21 170 19| 3.3 0.3 3.5|103.5 0.0 103.5 34.5 0.73| 4.5 3.3 4000 255 24 182 17| 4.2 0.2 4.4|154.6 0.0 154.6 38.6 0.77| 5.1 3.9 5000 262 29 201 17| 4.8 0.2 4.9|213.9 0.0 213.9 42.8 0.73| 5.5 4.0 6000 266 34 219 17| 4.6 0.1 4.7|281.3 0.0 281.3 46.9 0.74| 5.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251021.12.gif