UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050212.upa.cvt Date: 1200Z 2 MAY 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 2 MAY 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 1005 5 1.8 -1.1 81 2.9 0.6 200 21 274.6 275.1 273.5 284.1 3.51 1 1000 45 1.4 -1.3 82 2.7 0.3 210 25 274.5 275.1 273.5 284.0 3.47 2 992 110 1.0 -1.7 82 2.7 -0.1 214 26 274.8 275.3 273.5 284.1 3.40 3 971 283 4.4 4.0 97 0.4 4.2 223 30 279.9 280.8 278.7 294.3 5.25 4 967 316 5.0 4.7 98 0.3 4.8 225 31 280.8 281.8 279.6 296.1 5.54 5 955 418 5.2 4.9 98 0.3 5.1 231 33 282.0 283.0 280.3 297.8 5.69 6 925 678 3.6 3.1 97 0.5 3.4 245 38 283.0 283.9 280.2 297.4 5.17 7 850 1357 -2.9 -3.4 96 0.5 -3.1 240 40 283.1 283.7 278.2 293.0 3.50 8 736 2476 -13.3 -13.7 97 0.4 -13.4 244 36 283.7 284.0 276.1 288.9 1.80 9 721 2634 -10.5 -10.9 97 0.4 -10.6 244 36 288.4 288.8 279.2 295.2 2.31 10 700 2861 -11.3 -11.7 97 0.4 -11.4 245 35 290.0 290.4 279.8 296.6 2.23 11 607 3943 -16.7 -17.4 94 0.7 -16.9 258 33 295.8 296.1 281.7 300.8 1.61 12 500 5370 -27.1 -28.0 92 0.9 -27.2 275 31 300.0 300.1 282.4 302.5 0.76 13 417 6653 -37.7 -38.9 88 1.2 -37.8 287 37 302.4 302.4 282.8 303.5 0.32 14 400 6940 -38.9 -40.1 88 1.2 -39.0 290 38 304.4 304.5 283.6 305.4 0.29 15 391 7095 -39.3 -40.5 88 1.2 -39.4 291 39 305.9 305.9 284.1 306.9 0.29 16 327 8290 -47.3 -48.9 84 1.6 -47.4 301 44 310.9 311.0 285.8 311.4 0.14 17 300 8850 -52.7 -54.4 82 1.7 -52.7 305 46 311.1 311.1 285.8 311.4 0.08 18 260 9763 -59.7 -61.6 78 1.9 -59.7 300 44 313.8 313.8 286.7 313.9 0.04 19 250 10010 -59.1 -61.0 78 1.9 -59.1 300 42 318.2 318.2 288.2 318.4 0.04 20 200 11440 -51.7 -53.8 78 2.1 -51.8 285 27 350.9 350.9 297.0 351.4 0.13 21 150 13310 -50.1 -52.2 78 2.1 -50.3 290 21 383.7 383.8 303.0 384.7 0.20 22 100 15950 -51.1 -53.2 78 2.1 -51.3 295 9 429.0 429.1 308.9 430.4 0.27 23 70 18280 -48.9 -50.9 80 2.0 -49.2 260 7 479.8 479.9 313.7 482.7 0.51 24 50 20490 -48.3 -50.1 81 1.8 -48.7 245 5 529.6 529.9 317.2 534.6 0.78 25 49 20622 -48.3 -50.1 81 1.8 -48.7 243 5 532.7 533.0 317.4 537.8 0.80 26 30 23840 -48.7 -50.5 81 1.8 -49.2 190 7 611.9 612.3 321.5 621.0 1.25 27 21 26180 -50.1 -52.1 79 2.0 -50.7 49 12 673.4 674.0 324.0 685.4 1.48 28 20 26500 -49.5 -51.4 80 1.9 -50.1 30 13 684.7 685.4 324.4 698.6 1.68 29 10 31083 -45.3 -47.2 81 1.9 -46.4 850.5 853.3 329.5 906.9 5.47 TRP 260 9763 -59.7 -61.6 78 1.9 -59.7 300 44 313.8 313.8 286.7 313.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5325.00 m Freezing level: 883.46 mb = 1054.06 m = 3458.17 ft Wetbulb zero: 993.90 mb = 94.23 m = 309.14 ft Precipitable water: 0.63 inches Sfc-500 mean rel hum: 95.00 % Est. max temperature: 10.36 C = 50.65 F Sfc-Lift cond lev (LCL): 960.67 mb = 369.95 m = 1213.72 ft T: 5.11 C 700-500 lapse rate: 6.30 C/km ThetaE index: 8.83 C Layer 925.0- 721.0 mb Conv cond level (CCL): 1000.00 mb = 45.00 m = 147.64 ft Mean mixing ratio: 4.87 g/kg Conv temperature: 3.76 C = 38.77 F Cap Strength: 4.75 C Lifted Index: 6.28 C Risk: None Lifted Index @300 mb: 12.26 C Lifted Index @700 mb: 1.86 C Showalter Index: 6.86 C Risk: None Total Totals Index: 47.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 23.70 C K Index: 20.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 207.70 Risk: None Energy Index: 1.92 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 113.58 J/kg Max Up Vert Vel: 15.07 m/s Conv Inhibition (B-): 42.68 J/kg Cap Strength: 6.22 C Lift Cond Lev (LCL): 942.71 mb = 523.66 m = 1718.02 ft Lev Free Conv (LFC): 857.71 mb = 1284.50 m = 4214.18 ft Equ Level (EL): 717.71 mb = 2668.92 m = 8756.20 ft B at Equ Level: 109.94 J/kg Max Parcel Lev (MPL): 617.71 mb = 3810.24 m = 12500.62 ft Wind level data Storm motion: 282 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 1005 5 200 21 7.2 19.7 | 144 31 -18.2 25.0 1 1000 45 210 25 12.5 21.7 | 154 30 -12.8 26.9 2 925 678 245 38 34.4 16.1 | 203 23 9.1 21.3 3 850 1357 240 40 34.6 20.0 | 200 27 9.3 25.2 4 700 2861 245 35 31.7 14.8 | 198 21 6.4 20.0 5 500 5370 275 31 30.9 -2.7 | 246 6 5.5 2.5 6 400 6940 290 38 35.7 -13.0 | 307 13 10.4 -7.8 7 300 8850 305 46 37.7 -26.4 | 330 25 12.3 -21.2 8 260 9763 300 44 38.1 -22.0 | 323 21 12.8 -16.8 9 250 10010 300 42 36.4 -21.0 | 325 19 11.0 -15.8 10 200 11440 285 27 26.1 -7.0 | 337 2 0.7 -1.8 11 150 13310 290 21 19.7 -7.2 | 71 6 -5.6 -2.0 12 100 15950 295 9 8.2 -3.8 | 95 17 -17.2 1.4 13 70 18280 260 7 6.9 1.2 | 109 20 -18.4 6.4 14 50 20490 245 5 4.5 2.1 | 109 22 -20.8 7.3 15 30 23840 190 7 1.2 6.9 | 117 27 -24.1 12.1 16 20 26500 30 13 -6.5 -11.3 | 79 32 -31.8 -6.0 Wind Parameters Mean winds (0-6000m): 251.6 at 34.5 knts Storm direction: 281.6 at 25.9 knts Shear (0-3000m) pos: 4.5 neg: 0.3 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 55.2 deg Storm rel helicity (0-3000m) pos: 201.2 neg: -14.2 tot: 187.0 m^2/s^2 ave: 62.3 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 4.5 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 3.23 Bulk Shear: 35.18 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 ------------------------------------------------------------------------------- 500 224 29 169 27| 21.8 0.0 21.8|155.8 0.0 155.8 311.7 0.96| 22.5 21.7 1000 235 33 185 24| 14.1 0.0 14.1|198.6 -3.4 195.2 195.2 0.89| 15.7 14.0 1500 237 35 191 25| 9.4 0.5 9.9|198.6 -8.5 190.1 126.7 0.81| 11.3 9.1 2000 239 36 193 25| 6.9 0.4 7.3|198.6 -10.3 188.4 94.2 0.75| 9.0 6.8 2500 239 36 194 25| 5.4 0.3 5.7|198.6 -12.6 186.0 74.4 0.70| 7.6 5.3 3000 240 36 195 24| 4.5 0.3 4.7|201.2 -14.2 187.0 62.3 0.66| 6.7 4.5 4000 243 36 197 22| 3.8 0.2 4.0|217.3 -14.2 203.1 50.8 0.64| 6.0 3.8 5000 247 35 200 20| 3.4 0.2 3.5|227.9 -14.2 213.7 42.7 0.62| 5.5 3.4 6000 252 34 205 18| 3.3 0.1 3.4|238.2 -14.2 223.9 37.3 0.65| 5.2 3.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250502.12.gif