UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 3 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 4 -2.3 -2.8 96 0.5 -2.5 135 7 270.4 270.9 270.4 278.7 3.09 1 1000 51 -2.5 -3.7 91 1.2 -2.9 120 9 270.6 271.1 270.2 278.5 2.90 2 925 666 -5.7 -8.3 82 2.6 -6.5 175 13 273.5 273.8 270.9 279.6 2.21 3 870 1144 -8.7 -11.7 79 3.0 -9.5 197 13 275.2 275.5 271.3 280.2 1.79 4 850 1324 -8.9 -11.6 81 2.7 -9.6 205 13 276.8 277.1 272.3 282.1 1.85 5 763 2156 -11.3 -14.1 80 2.8 -12.1 236 20 282.9 283.2 275.5 287.8 1.68 6 700 2813 -15.1 -17.9 79 2.8 -15.7 260 25 285.8 286.0 276.5 289.8 1.33 7 608 3866 -19.7 -22.2 80 2.5 -20.2 268 36 292.2 292.4 279.3 295.5 1.06 8 600 3964 -20.5 -23.0 80 2.5 -21.0 269 37 292.4 292.6 279.3 295.5 1.00 9 502 5252 -31.7 -36.7 61 5.0 -32.1 280 52 294.1 294.1 279.1 295.1 0.33 10 500 5280 -31.7 -36.7 61 5.0 -32.1 280 52 294.4 294.4 279.3 295.5 0.33 11 433 6294 -36.1 -46.1 35 10.0 -36.7 277 56 301.2 301.2 282.0 301.7 0.14 12 419 6522 -38.7 -49.7 30 11.0 -39.2 276 57 300.7 300.7 281.8 301.0 0.10 13 400 6840 -41.5 -52.5 29 11.0 -41.9 275 58 301.1 301.1 281.9 301.3 0.07 14 350 7728 -49.9 -58.9 34 9.0 -50.1 277 64 301.4 301.4 282.0 301.6 0.04 15 300 8720 -56.1 -64.1 36 8.0 -56.2 280 71 306.3 306.3 284.0 306.4 0.02 16 293 8870 -57.5 -65.5 35 8.0 -57.6 282 72 306.4 306.4 284.0 306.4 0.02 17 270 9386 -58.5 -66.5 35 8.0 -58.6 290 75 312.2 312.2 286.1 312.2 0.02 18 261 9599 -58.9 -66.9 35 8.0 -59.0 285 73 314.6 314.6 287.0 314.7 0.02 19 250 9870 -58.5 -66.5 35 8.0 -58.6 285 73 319.1 319.1 288.5 319.2 0.02 20 225 10537 -56.1 -64.1 36 8.0 -56.2 287 68 332.5 332.5 292.4 332.7 0.03 21 201 11249 -59.5 -68.5 30 9.0 -59.6 290 62 338.1 338.1 293.9 338.1 0.02 22 200 11280 -59.3 -68.3 30 9.0 -59.4 290 62 338.9 338.9 294.0 338.9 0.02 23 189 11634 -57.3 -66.3 31 9.0 -57.5 292 61 347.6 347.6 296.1 347.7 0.03 24 173 12188 -59.9 -68.9 30 9.0 -60.0 295 59 352.2 352.2 297.1 352.3 0.02 25 165 12484 -57.9 -66.9 31 9.0 -58.0 297 58 360.4 360.4 298.8 360.5 0.03 26 150 13080 -59.5 -68.5 30 9.0 -59.6 300 56 367.6 367.6 300.1 367.7 0.03 27 100 15590 -64.3 -74.3 24 10.0 -64.4 295 46 403.5 403.5 305.7 403.6 0.02 28 70 17750 -69.5 -79.5 22 10.0 -69.6 300 48 435.7 435.7 309.4 435.8 0.01 29 50 19720 -76.1 -86.1 19 10.0 -76.2 290 54 464.2 464.2 312.1 464.2 0.00 30 30 22630 -81.9 -91.9 17 10.0 -82.0 300 52 521.4 521.4 316.4 521.4 0.00 31 23 24117 -80.7 -90.7 17 10.0 -80.8 293 45 566.1 566.1 318.9 566.1 0.00 32 20 24900 -81.9 -91.9 17 10.0 -82.0 290 42 585.5 585.5 319.9 585.5 0.00 33 15 26501 -84.5 -94.5 15 10.0 -84.5 627.0 627.0 321.8 627.1 0.00 34 10 28772 -79.3 -89.3 18 10.0 -79.5 723.5 723.6 325.1 723.6 0.01 TRP 261 9599 -58.9 -66.9 35 8.0 -59.0 285 73 314.6 314.6 287.0 314.7 0.02 WND 270 9386 -58.5 -66.5 35 8.0 -58.6 290 75 312.2 312.2 286.1 312.2 0.02 Sounding variables and indices 1000-500 mb thick: 5229.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 78.36 % Est. max temperature: 3.65 C = 38.57 F Sfc-Lift cond lev (LCL): 998.02 mb = 66.62 m = 218.56 ft T: -2.58 C 700-500 lapse rate: 6.73 C/km ThetaE index: 0.20 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 899.00 mb = 888.20 m = 2914.00 ft Mean mixing ratio: 2.50 g/kg Conv temperature: 1.60 C = 34.88 F Cap Strength: 12.64 C Lifted Index: 12.87 C Risk: None Lifted Index @300 mb: 19.23 C Lifted Index @700 mb: 8.20 C Showalter Index: 10.58 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 20.10 C K Index: 8.40 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.49 J/kg Max Up Vert Vel: 4.36 m/s Conv Inhibition (B-): 50124.03 J/kg Cap Strength: 12.61 C Lift Cond Lev (LCL): 926.53 mb = 652.97 m = 2142.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 22 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 4 135 7 -4.9 4.9 | 120 29 -25.3 14.5 1 1000 51 120 9 -7.8 4.5 | 117 31 -28.1 14.1 2 925 666 175 13 -1.1 13.0 | 136 31 -21.5 22.5 3 850 1324 205 13 5.5 11.8 | 145 26 -14.8 21.3 4 700 2813 260 25 24.6 4.3 | 197 15 4.3 13.9 5 500 5280 280 52 51.2 -9.0 | 269 31 30.9 0.5 6 400 6840 275 58 57.8 -5.1 | 263 38 37.5 4.5 7 300 8720 280 71 69.9 -12.3 | 273 50 49.6 -2.8 8 270 9386 290 75 70.5 -25.7 | 288 53 50.2 -16.1 9 261 9599 285 73 70.5 -18.9 | 281 51 50.2 -9.3 10 250 9870 285 73 70.5 -18.9 | 281 51 50.2 -9.3 11 200 11280 290 62 58.3 -21.2 | 287 40 37.9 -11.6 12 150 13080 300 56 48.5 -28.0 | 303 34 28.2 -18.4 13 100 15590 295 46 41.7 -19.4 | 295 24 21.4 -9.9 14 70 17750 300 48 41.6 -24.0 | 304 26 21.3 -14.4 15 50 19720 290 54 50.7 -18.5 | 286 32 30.4 -8.9 16 30 22630 300 52 45.0 -26.0 | 304 30 24.7 -16.4 17 20 24900 290 42 39.5 -14.4 | 284 20 19.1 -4.8 Wind Parameters Mean winds (0-6000m): 265.2 at 29.9 knts Storm direction: 295.2 at 22.5 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 85.7 deg Storm rel helicity (0-3000m) pos: 232.0 neg: -8.0 tot: 224.0 m^2/s^2 ave: 74.7 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 5.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.05 Bulk Shear: 176.94 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 ------------------------------------------------------------------------------- 500 142 10 123 32| 6.6 0.0 6.6| 60.0 -8.0 51.9 103.9 0.61| 10.2 6.2 1000 164 12 131 31| 5.5 0.0 5.5|106.6 -8.0 98.5 98.5 0.71| 8.6 6.1 1500 178 12 136 30| 5.0 0.0 5.0|134.4 -8.0 126.4 84.2 0.71| 7.6 5.4 2000 193 13 142 28| 5.2 0.0 5.2|171.8 -8.0 163.8 81.9 0.75| 7.4 5.6 2500 209 15 149 26| 5.4 0.0 5.4|205.4 -8.0 197.3 78.9 0.77| 7.5 5.8 3000 224 16 157 23| 5.4 0.0 5.4|232.0 -8.0 224.0 74.7 0.78| 7.5 5.9 4000 244 20 173 19| 5.6 0.0 5.6|280.3 -8.0 272.3 68.1 0.80| 7.2 5.8 5000 257 25 196 16| 5.6 0.0 5.6|341.2 -8.0 333.2 66.6 0.80| 7.0 5.6 6000 265 30 218 15| 5.0 0.2 5.2|361.0 -21.2 339.9 56.6 0.74| 6.5 4.8 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251203.12.gif