UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 27 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 1007 6 2.0 0.1 87 1.9 1.2 110 11 274.6 275.2 274.0 285.0 3.82 1 1000 62 1.8 -1.5 79 3.3 0.5 130 15 275.0 275.5 273.6 284.3 3.42 2 963 365 -0.3 -3.5 79 3.2 -1.5 145 18 275.8 276.3 273.6 284.2 3.06 3 930 646 1.8 0.4 90 1.4 1.2 158 21 280.7 281.4 277.9 292.5 4.23 4 925 689 1.6 0.2 90 1.4 1.0 160 21 280.9 281.7 277.9 292.6 4.19 5 850 1367 -1.7 -3.8 86 2.1 -2.6 155 19 284.4 285.0 278.6 294.0 3.39 6 848 1386 -2.1 -4.3 85 2.2 -3.0 156 19 284.1 284.7 278.4 293.5 3.27 7 758 2276 -3.9 -5.7 87 1.8 -4.6 182 13 291.5 292.0 281.8 301.1 3.29 8 700 2900 -7.9 -9.9 86 2.0 -8.6 200 9 293.7 294.2 282.0 301.5 2.57 9 549 4750 -17.9 -20.0 84 2.1 -18.4 160 21 303.0 303.3 284.4 307.6 1.42 10 500 5440 -23.9 -27.1 75 3.2 -24.5 145 25 303.9 304.1 284.0 306.6 0.83 11 437 6408 -32.3 -34.9 78 2.6 -32.6 145 24 305.2 305.3 284.1 306.7 0.45 12 430 6522 -31.7 -34.4 77 2.7 -32.0 145 24 307.4 307.5 284.9 309.0 0.48 13 400 7030 -35.7 -39.2 70 3.5 -36.0 145 23 308.6 308.7 285.2 309.7 0.32 14 300 8960 -51.1 -55.0 63 3.9 -51.2 140 21 313.3 313.3 286.6 313.6 0.07 15 264 9778 -57.5 -61.6 59 4.1 -57.6 140 24 315.6 315.6 287.3 315.8 0.04 16 250 10120 -60.1 -64.2 59 4.1 -60.2 140 25 316.7 316.7 287.7 316.8 0.03 17 238 10428 -62.1 -66.1 59 4.0 -62.1 142 23 318.2 318.2 288.2 318.3 0.02 18 221 10888 -63.5 -67.7 57 4.2 -63.6 145 21 322.8 322.9 289.6 322.9 0.02 19 219 10944 -63.7 -67.9 56 4.2 -63.7 148 20 323.4 323.4 289.8 323.5 0.02 20 200 11510 -59.3 -63.6 57 4.3 -59.4 175 11 338.9 338.9 294.1 339.0 0.04 21 191 11798 -58.1 -62.5 57 4.4 -58.2 189 12 345.3 345.3 295.6 345.5 0.04 22 150 13310 -59.9 -64.5 55 4.6 -60.0 260 15 366.9 366.9 300.0 367.1 0.04 23 100 15830 -61.9 -67.9 45 6.0 -62.0 270 19 408.1 408.1 306.3 408.3 0.04 24 70 18020 -64.3 -71.3 38 7.0 -64.4 265 19 446.8 446.8 310.6 447.0 0.04 25 67 18288 -63.9 -70.9 38 7.0 -64.1 264 19 453.3 453.3 311.2 453.5 0.04 26 50 20070 -67.1 -74.1 36 7.0 -67.2 260 17 485.4 485.4 313.9 485.6 0.03 27 30 23130 -69.7 -77.7 30 8.0 -69.9 270 23 554.6 554.6 318.3 554.8 0.03 28 27 23754 -71.7 -79.7 29 8.0 -71.9 270 24 566.0 566.0 319.0 566.2 0.03 29 20 25520 -72.1 -80.1 29 8.0 -72.3 270 25 615.5 615.5 321.3 615.7 0.03 30 13 28057 -72.1 -80.1 29 8.0 -72.4 696.2 696.2 324.3 696.6 0.05 TRP 221 10888 -63.5 -67.7 57 4.2 -63.6 145 21 322.8 322.9 289.6 322.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5378.00 m Freezing level: 968.29 mb = 321.85 m = 1055.92 ft Freezing level: 958.29 mb = 405.21 m = 1329.40 ft Freezing level: 888.64 mb = 1017.73 m = 3338.96 ft Wetbulb zero: 990.93 mb = 135.29 m = 443.86 ft Precipitable water: 0.59 inches Sfc-500 mean rel hum: 84.43 % Est. max temperature: 11.45 C = 52.61 F Sfc-Lift cond lev (LCL): 977.65 mb = 243.78 m = 799.80 ft T: 0.54 C 700-500 lapse rate: 6.30 C/km ThetaE index: 0.73 C Layer 1000.0- 930.0 mb Conv cond level (CCL): 745.54 mb = 2405.60 m = 7892.29 ft Mean mixing ratio: 3.61 g/kg Conv temperature: 19.37 C = 66.86 F Cap Strength: 14.19 C Lifted Index: 14.11 C Risk: None Lifted Index @300 mb: 18.20 C Lifted Index @700 mb: 9.28 C Showalter Index: 9.33 C Risk: None Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 20.10 C K Index: 16.40 Risk: < 20 % chance of thunderstorms Sweat Index: 63.00 Risk: None Energy Index: 2.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.94 J/kg Max Up Vert Vel: 7.87 m/s Conv Inhibition (B-): 47901.25 J/kg Cap Strength: 14.16 C Lift Cond Lev (LCL): 921.02 mb = 723.56 m = 2373.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 187 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 1007 6 110 11 -10.3 3.8 | 53 15 -12.0 -9.2 1 1000 62 130 15 -11.5 9.6 | 76 14 -13.1 -3.3 2 925 689 160 21 -7.2 19.7 | 128 11 -8.8 6.8 3 850 1367 155 19 -8.0 17.2 | 114 11 -9.7 4.3 4 700 2900 200 9 3.1 8.5 | 342 5 1.4 -4.5 5 500 5440 145 25 -14.3 20.5 | 115 18 -16.0 7.6 6 400 7030 145 23 -13.2 18.8 | 112 16 -14.8 5.9 7 300 8960 140 21 -13.5 16.1 | 102 15 -15.1 3.2 8 250 10120 140 25 -16.1 19.2 | 109 19 -17.7 6.2 9 221 10888 145 21 -12.0 17.2 | 107 14 -13.7 4.3 10 200 11510 175 11 -1.0 11.0 | 53 3 -2.6 -2.0 11 150 13310 260 15 14.8 2.6 | 308 17 13.1 -10.3 12 100 15830 270 19 19.0 -0.0 | 307 22 17.4 -12.9 13 70 18020 265 19 18.9 1.7 | 303 21 17.3 -11.3 14 50 20070 260 17 16.7 3.0 | 303 18 15.1 -10.0 15 30 23130 270 23 23.0 -0.0 | 301 25 21.4 -12.9 16 20 25520 270 25 25.0 -0.0 | 299 27 23.4 -12.9 Wind Parameters Mean winds (0-6000m): 157.3 at 17.4 knts Storm direction: 187.3 at 13.0 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): -71.8 deg Storm rel helicity (0-3000m) pos: 57.4 neg: -8.3 tot: 49.1 m^2/s^2 ave: 16.4 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 8.98 Bulk Shear: 3.44 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 ------------------------------------------------------------------------------- 500 140 17 89 12| 13.5 0.0 13.5| 45.5 0.0 45.5 91.0 0.97| 14.1 13.6 1000 151 19 107 11| 7.7 0.0 7.7| 55.8 -3.4 52.5 52.5 0.85| 9.4 8.0 1500 153 19 110 11| 4.7 0.0 4.7| 56.5 -6.9 49.6 33.1 0.69| 7.3 5.0 2000 155 18 112 10| 3.6 0.0 3.6| 57.4 -7.0 50.5 25.2 0.56| 6.8 3.8 2500 158 17 111 9| 2.9 0.0 2.9| 57.4 -7.9 49.6 19.8 0.39| 6.4 2.5 3000 161 16 107 7| 2.5 0.0 2.5| 57.4 -8.3 49.1 16.4 0.33| 6.0 2.0 4000 165 15 108 6| 1.8 1.0 2.9| 57.6 -8.5 49.1 12.3 0.30| 5.6 1.7 5000 163 16 110 7| 1.5 1.7 3.2| 57.6 -14.4 43.2 8.6 0.20| 5.5 1.1 6000 157 17 110 9| 1.2 1.7 2.9| 57.6 -24.0 33.6 5.6 0.14| 5.0 0.7 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251027.12.gif