UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 26 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 1013 11 0.0 -2.9 81 2.9 -1.1 250 7 272.1 272.6 271.4 280.4 3.04 1 1000 114 -0.7 -4.5 75 3.8 -2.1 255 9 272.5 272.9 271.1 279.9 2.73 2 925 730 -5.9 -7.8 86 1.9 -6.5 290 11 273.3 273.7 270.9 279.6 2.29 3 850 1387 -10.5 -14.4 73 3.9 -11.5 230 11 275.1 275.4 270.7 279.3 1.47 4 700 2846 -22.5 -28.5 58 6.0 -23.3 255 13 277.6 277.7 270.6 279.1 0.52 5 585 4136 -32.9 -39.9 50 7.0 -33.4 239 24 280.1 280.1 271.6 280.7 0.20 6 581 4184 -33.5 -40.5 49 7.0 -34.0 238 24 279.9 279.9 271.5 280.5 0.19 7 500 5230 -37.3 -42.3 60 5.0 -37.6 225 33 287.6 287.6 275.7 288.2 0.18 8 499 5244 -37.3 -42.3 60 5.0 -37.6 225 33 287.7 287.8 275.8 288.3 0.19 9 400 6740 -46.7 -51.3 59 4.6 -46.9 230 48 294.3 294.3 278.9 294.6 0.08 10 391 6891 -47.5 -52.2 58 4.7 -47.6 230 48 295.2 295.2 279.3 295.4 0.08 11 356 7509 -51.3 -56.1 56 4.8 -51.4 230 48 298.1 298.1 280.6 298.3 0.05 12 345 7713 -51.5 -56.5 55 5.0 -51.6 232 45 300.5 300.5 281.6 300.7 0.05 13 300 8630 -48.7 -54.7 50 6.0 -48.9 240 29 316.7 316.7 287.8 317.0 0.08 14 250 9840 -45.7 -54.7 36 9.0 -46.1 240 21 338.1 338.1 294.0 338.5 0.09 15 218 10754 -43.9 -56.9 22 13.0 -44.6 234 17 354.4 354.4 297.7 354.8 0.08 16 200 11330 -44.7 -58.7 19 14.0 -45.4 230 15 362.0 362.0 299.1 362.3 0.07 17 150 13240 -46.1 -63.1 13 17.0 -46.9 265 9 390.6 390.6 303.9 390.9 0.05 18 100 15920 -48.9 -67.9 9 19.0 -49.8 245 11 433.2 433.3 309.2 433.5 0.04 19 80 17375 -52.3 -71.3 8 19.0 -53.1 258 11 454.8 454.8 311.3 455.0 0.03 20 70 18240 -51.9 -71.9 7 20.0 -52.9 265 11 473.4 473.4 313.0 473.5 0.03 21 50 20420 -52.1 -72.1 7 20.0 -53.4 210 5 520.7 520.7 316.4 521.0 0.05 22 47 20820 -51.5 -71.5 7 20.0 -52.9 204 6 531.4 531.4 317.1 531.8 0.05 23 30 23700 -55.3 -75.3 7 20.0 -56.8 160 11 593.9 593.9 320.3 594.2 0.05 24 29 23917 -55.3 -75.3 7 20.0 -56.8 155 12 599.7 599.7 320.6 600.0 0.05 25 24 25134 -51.9 -72.9 6 21.0 -54.3 130 17 642.9 642.9 322.4 643.6 0.08 26 20 26320 -50.7 -71.7 7 21.0 -53.8 105 21 681.0 681.0 323.9 682.0 0.12 27 16 27789 -46.1 -69.1 6 23.0 -51.2 740.9 741.0 325.7 742.9 0.22 28 14 28677 -46.1 -69.1 6 23.0 -51.7 769.7 769.8 326.5 772.1 0.25 TRP 356 7509 -51.3 -56.1 56 4.8 -51.4 230 48 298.1 298.1 280.6 298.3 0.05 WND Sounding variables and indices 1000-500 mb thick: 5116.00 m Freezing level: 1013.00 mb = 10.79 m = 35.41 ft Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 63.67 % Est. max temperature: 2.68 C = 36.83 F Sfc-Lift cond lev (LCL): 968.09 mb = 370.22 m = 1214.62 ft T: -2.86 C 700-500 lapse rate: 6.21 C/km ThetaE index: 1.26 C Layer 1000.0- 585.0 mb Conv cond level (CCL): 909.77 mb = 859.03 m = 2818.31 ft Mean mixing ratio: 2.52 g/kg Conv temperature: 1.51 C = 34.72 F Cap Strength: 1.21 C Lifted Index: 6.80 C Risk: None Lifted Index @300 mb: 26.16 C Lifted Index @700 mb: 0.33 C Showalter Index: 7.15 C Risk: None Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 22.90 C K Index: 6.40 Risk: None Sweat Index: 69.00 Risk: None Energy Index: 1.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.21 J/kg Max Up Vert Vel: 2.10 m/s Conv Inhibition (B-): 59181.80 J/kg Cap Strength: 6.72 C Lift Cond Lev (LCL): 920.64 mb = 766.73 m = 2515.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 15 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 1013 11 250 7 6.6 2.4 | 100 8 -8.0 1.5 1 1000 114 255 9 8.7 2.3 | 103 6 -5.9 1.4 2 925 730 290 11 10.3 -3.8 | 42 6 -4.3 -4.7 3 850 1387 230 11 8.4 7.1 | 135 9 -6.2 6.1 4 700 2846 255 13 12.6 3.4 | 140 3 -2.0 2.4 5 500 5230 225 33 23.3 23.3 | 201 24 8.7 22.4 6 400 6740 230 48 36.8 30.9 | 217 37 22.2 29.9 7 356 7509 230 48 36.8 30.9 | 217 37 22.2 29.9 8 300 8630 240 29 25.1 14.5 | 218 17 10.5 13.6 9 250 9840 240 21 18.2 10.5 | 201 10 3.6 9.6 10 200 11330 230 15 11.5 9.6 | 160 9 -3.1 8.7 11 150 13240 265 9 9.0 0.8 | 89 6 -5.6 -0.1 12 100 15920 245 11 10.0 4.6 | 129 6 -4.6 3.7 13 70 18240 265 11 11.0 1.0 | 91 4 -3.6 0.0 14 50 20420 210 5 2.5 4.3 | 106 13 -12.1 3.4 15 30 23700 160 11 -3.8 10.3 | 117 21 -18.4 9.4 16 20 26320 105 21 -20.3 5.4 | 97 35 -34.9 4.5 Wind Parameters Mean winds (0-6000m): 236.4 at 19.5 knts Storm direction: 266.4 at 14.6 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 65.1 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -7.6 tot: 4.4 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 19.45 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 ------------------------------------------------------------------------------- 500 264 9 90 5| 5.4 0.0 5.4| 0.7 -4.9 -4.2 -8.5 -0.54| 6.3 -3.4 1000 273 10 71 5| 2.7 1.3 4.0| 4.8 -7.5 -2.8 -2.8 -0.11| 6.7 -0.7 1500 263 10 95 4| 1.8 2.9 4.6| 9.7 -7.5 2.1 1.4 0.11| 6.8 0.8 2000 255 11 113 5| 1.8 2.1 4.0| 10.5 -7.5 2.9 1.5 0.12| 5.6 0.7 2500 253 11 119 5| 1.8 1.7 3.6| 10.8 -7.5 3.2 1.3 0.12| 4.9 0.6 3000 253 11 122 4| 1.8 1.4 3.3| 12.0 -7.6 4.4 1.5 0.16| 4.5 0.7 4000 250 13 148 4| 1.4 2.1 3.4| 17.4 -7.6 9.8 2.5 0.22| 4.6 1.0 5000 242 16 177 7| 1.1 2.7 3.8| 17.5 -13.6 3.8 0.8 0.15| 4.7 0.7 6000 236 20 189 10| 1.2 2.6 3.8| 47.7 -17.2 30.5 5.1 0.18| 4.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20250426.12.gif