UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 27 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 -1.5 -6.5 69 5.0 -3.2 315 7 270.7 271.1 269.3 277.1 2.32 1 1000 105 -2.1 -9.1 59 7.0 -4.3 310 11 271.0 271.4 268.9 276.3 1.92 2 925 717 -7.9 -12.1 72 4.2 -9.1 300 19 271.2 271.5 268.5 275.8 1.63 3 850 1368 -13.5 -17.0 75 3.5 -14.3 305 21 272.0 272.2 268.2 275.4 1.19 4 814 1696 -15.3 -17.9 80 2.6 -15.9 308 21 273.5 273.7 269.1 276.8 1.15 5 700 2814 -25.1 -29.0 70 3.9 -25.6 320 21 274.7 274.8 268.8 276.2 0.50 6 690 2918 -26.1 -29.7 72 3.6 -26.5 319 21 274.7 274.8 268.7 276.1 0.47 7 623 3654 -28.3 -33.3 62 5.0 -28.8 315 24 280.3 280.4 272.0 281.5 0.37 8 500 5200 -37.9 -43.9 53 6.0 -38.2 305 31 286.8 286.9 275.3 287.3 0.16 9 468 5653 -41.1 -47.1 52 6.0 -41.3 306 32 288.3 288.4 276.0 288.7 0.12 10 400 6710 -46.3 -52.3 51 6.0 -46.5 310 33 294.8 294.8 279.1 295.1 0.08 11 392 6844 -46.9 -52.9 50 6.0 -47.1 308 32 295.7 295.8 279.6 296.0 0.07 12 380 7049 -47.5 -53.5 50 6.0 -47.7 305 31 297.6 297.6 280.4 297.8 0.07 13 336 7860 -48.1 -55.1 44 7.0 -48.3 295 28 307.4 307.4 284.4 307.7 0.06 14 300 8610 -45.3 -54.3 36 9.0 -45.6 285 25 321.5 321.5 289.3 321.8 0.08 15 288 8883 -44.7 -53.7 36 9.0 -45.1 286 23 326.1 326.2 290.7 326.5 0.09 16 250 9830 -44.7 -56.7 25 12.0 -45.2 290 17 339.6 339.6 294.3 339.9 0.07 17 208 11058 -43.7 -58.7 17 15.0 -44.5 265 15 359.5 359.5 298.7 359.8 0.07 18 204 11188 -43.5 -58.5 18 15.0 -44.3 263 15 361.8 361.9 299.1 362.1 0.07 19 200 11320 -44.1 -59.1 17 15.0 -44.9 260 15 362.9 363.0 299.3 363.2 0.07 20 150 13250 -45.5 -63.5 11 18.0 -46.4 275 13 391.7 391.7 304.0 391.9 0.05 21 100 15920 -49.5 -67.5 10 18.0 -50.4 240 13 432.1 432.1 309.1 432.3 0.04 22 70 18240 -51.1 -69.1 10 18.0 -52.1 235 15 475.1 475.1 313.1 475.4 0.05 23 50 20430 -51.9 -70.9 8 19.0 -53.2 160 7 521.2 521.2 316.4 521.5 0.05 24 36 22552 -52.1 -71.1 8 19.0 -53.8 179 10 572.0 572.0 319.3 572.5 0.07 25 31 23511 -55.3 -73.3 9 18.0 -56.7 188 11 588.3 588.4 320.1 588.8 0.06 26 30 23720 -54.3 -73.3 8 19.0 -55.9 190 11 596.6 596.6 320.5 597.1 0.06 27 21 26015 -53.3 -72.3 8 19.0 -55.6 155 18 663.7 663.7 323.2 664.6 0.10 28 20 26330 -52.1 -71.1 8 19.0 -54.8 150 19 676.7 676.8 323.7 677.8 0.13 29 12 29706 -42.9 -64.9 7 22.0 -50.2 815.7 816.0 327.7 821.0 0.52 TRP 380 7049 -47.5 -53.5 50 6.0 -47.7 305 31 297.6 297.6 280.4 297.8 0.07 WND Sounding variables and indices 1000-500 mb thick: 5095.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 67.08 % Est. max temperature: -0.34 C = 31.39 F Sfc-Lift cond lev (LCL): 935.65 mb = 627.13 m = 2057.49 ft T: -7.05 C 700-500 lapse rate: 5.36 C/km ThetaE index: 1.69 C Layer 1000.0- 814.0 mb Conv cond level (CCL): 873.58 mb = 1157.30 m = 3796.86 ft Mean mixing ratio: 1.79 g/kg Conv temperature: -0.46 C = 31.18 F Cap Strength: 4.73 C Lifted Index: 9.13 C Risk: None Lifted Index @300 mb: 32.20 C Lifted Index @700 mb: 0.54 C Showalter Index: 9.66 C Risk: None Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.40 C Cross Totals Index: 20.90 C K Index: 3.50 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 2.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.84 J/kg Max Up Vert Vel: 1.30 m/s Conv Inhibition (B-): 59701.17 J/kg Cap Strength: 9.04 C Lift Cond Lev (LCL): 881.95 mb = 1083.88 m = 3556.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 at 18 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 10 315 7 4.9 -4.9 | 174 12 -1.3 11.7 1 1000 105 310 11 8.4 -7.1 | 193 10 2.2 9.5 2 925 717 300 19 16.5 -9.5 | 235 12 10.2 7.1 3 850 1368 305 21 17.2 -12.0 | 247 12 10.9 4.6 4 700 2814 320 21 13.5 -16.1 | 266 7 7.2 0.5 5 500 5200 305 31 25.4 -17.8 | 274 19 19.1 -1.2 6 400 6710 310 33 25.3 -21.2 | 284 20 19.0 -4.6 7 380 7049 305 31 25.4 -17.8 | 274 19 19.1 -1.2 8 300 8610 285 25 24.1 -6.5 | 240 21 17.9 10.1 9 250 9830 290 17 16.0 -5.8 | 222 15 9.7 10.8 10 200 11320 260 15 14.8 2.6 | 204 21 8.5 19.2 11 150 13250 275 13 13.0 -1.1 | 203 17 6.7 15.5 12 100 15920 240 13 11.3 6.5 | 192 24 5.0 23.1 13 70 18240 235 15 12.3 8.6 | 193 26 6.0 25.2 14 50 20430 160 7 -2.4 6.6 | 160 25 -8.7 23.2 15 30 23720 190 11 1.9 10.8 | 171 28 -4.4 27.4 16 20 26330 150 19 -9.5 16.5 | 154 37 -15.8 33.1 Wind Parameters Mean winds (0-6000m): 309.3 at 23.7 knts Storm direction: 339.3 at 17.8 knts Shear (0-3000m) pos: 1.1 neg: 2.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 95.1 deg Storm rel helicity (0-3000m) pos: 47.2 neg: 0.0 tot: 47.2 m^2/s^2 ave: 15.7 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 15.79 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 ------------------------------------------------------------------------------- 500 307 13 204 10| 0.0 9.8 9.8| 23.9 0.0 23.9 47.7 0.93| 9.9 9.2 1000 303 16 221 11| 0.0 6.8 6.8| 34.3 0.0 34.3 34.3 0.90| 7.0 6.3 1500 304 17 230 11| 0.6 4.5 5.2| 39.8 0.0 39.8 26.5 0.90| 5.4 4.8 2000 305 18 235 11| 0.9 3.4 4.3| 42.6 0.0 42.6 21.3 0.86| 4.5 3.9 2500 307 19 239 10| 1.1 2.7 3.8| 45.1 0.0 45.1 18.0 0.83| 4.0 3.3 3000 309 19 243 10| 1.1 2.3 3.3| 47.2 0.0 47.2 15.7 0.80| 3.7 2.9 4000 311 20 251 10| 0.8 2.3 3.1| 49.7 0.0 49.7 12.4 0.68| 3.4 2.3 5000 310 22 258 11| 0.6 2.4 3.0| 50.0 -0.8 49.1 9.8 0.57| 3.3 1.9 6000 309 24 262 12| 0.6 2.1 2.7| 59.1 -1.3 57.8 9.6 0.57| 3.0 1.7 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250427.12.gif