UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011312.upa.cvt Date: 1200Z 13 JAN 26 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 13 JAN 26 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1024 49 -29.5 -32.9 72 3.4 -29.7 40 1 242.0 242.0 241.9 242.6 0.23 1 1000 219 -26.9 -31.3 66 4.4 -27.2 135 9 246.2 246.3 245.9 247.0 0.28 2 995 255 -26.5 -31.0 66 4.5 -26.8 131 9 247.0 247.0 246.6 247.8 0.29 3 971 431 -26.5 -30.9 66 4.4 -26.8 112 7 248.7 248.8 248.2 249.6 0.30 4 959 521 -24.1 -28.4 68 4.3 -24.5 103 7 252.0 252.1 251.3 253.1 0.38 5 949 596 -26.1 -29.0 77 2.9 -26.3 95 6 250.8 250.8 250.2 251.8 0.37 6 946 619 -22.3 -24.8 80 2.5 -22.6 92 6 254.9 254.9 254.1 256.3 0.54 7 925 785 -18.3 -20.6 82 2.3 -18.7 75 5 260.6 260.7 259.3 262.8 0.80 8 920 826 -17.5 -19.7 83 2.2 -17.9 67 5 261.8 262.0 260.4 264.2 0.87 9 850 1418 -17.9 -21.3 75 3.4 -18.5 305 3 267.4 267.5 264.4 269.7 0.82 10 820 1687 -17.7 -21.7 71 4.0 -18.4 313 12 270.4 270.5 266.5 272.7 0.82 11 746 2392 -20.1 -24.3 69 4.2 -20.8 335 35 275.2 275.3 269.5 277.3 0.72 12 726 2593 -20.3 -25.3 64 5.0 -21.1 342 41 277.1 277.2 270.6 279.1 0.67 13 700 2864 -19.3 -26.3 54 7.0 -20.4 350 50 281.1 281.2 272.9 283.1 0.64 14 667 3224 -17.3 -28.3 38 11.0 -19.1 336 49 287.3 287.4 276.2 289.0 0.56 15 624 3724 -16.7 -35.7 18 19.0 -19.4 318 47 293.5 293.5 278.9 294.5 0.29 16 621 3760 -18.9 -43.9 9 25.0 -21.5 316 46 291.4 291.4 277.6 291.8 0.13 17 616 3820 -19.5 -44.5 9 25.0 -22.0 314 46 291.3 291.4 277.5 291.8 0.12 18 525 4995 -24.3 -51.3 6 27.0 -26.3 269 41 299.2 299.2 281.1 299.4 0.06 19 500 5350 -25.1 -52.1 6 27.0 -27.1 255 40 302.4 302.4 282.4 302.7 0.06 20 413 6731 -28.5 -56.5 5 28.0 -30.3 276 47 315.1 315.1 287.2 315.2 0.04 21 400 6960 -29.5 -57.5 5 28.0 -31.3 280 48 316.6 316.7 287.7 316.8 0.04 22 322 8487 -36.2 -55.4 12 19.2 -37.3 335 79 327.6 327.6 291.1 327.9 0.07 23 313 8683 -37.1 -55.1 14 18.0 -38.1 329.1 329.1 291.5 329.3 0.07 TRP WND 322 8487 -36.2 -55.4 12 19.2 -37.3 335 79 327.6 327.6 291.1 327.9 0.07 Sounding variables and indices 1000-500 mb thick: 5131.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 45.83 % Est. max temperature: -5.92 C = 21.34 F Sfc-Lift cond lev (LCL): 966.74 mb = 462.47 m = 1517.26 ft T: -25.65 C 700-500 lapse rate: 2.33 C/km ThetaE index: 1.32 C Layer 949.0- 946.0 mb Conv cond level (CCL): None Cap Strength: 40.02 C Lifted Index: 42.12 C Risk: None Lifted Index @700 mb: 27.32 C Showalter Index: 27.00 C Risk: None Total Totals Index: 11.00 C Risk: None Vertical Totals Index: 7.20 C Cross Totals Index: 3.80 C K Index: -21.10 Risk: None Sweat Index: 46.00 Risk: None Energy Index: 6.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 60.63 J/kg Max Up Vert Vel: 11.01 m/s Conv Inhibition (B-): 11665.81 J/kg Cap Strength: 41.61 C Lift Cond Lev (LCL): 925.98 mb = 777.19 m = 2549.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 341 at 23 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 1024 49 40 1 -0.6 -0.8 | 159 23 -8.0 21.3 1 1000 219 135 9 -6.4 6.4 | 154 32 -13.8 28.4 2 925 785 75 5 -4.8 -1.3 | 150 24 -12.2 20.8 3 850 1418 305 3 2.5 -1.7 | 166 21 -4.9 20.4 4 700 2864 350 50 8.7 -49.2 | 357 27 1.3 -27.2 5 500 5350 255 40 38.6 10.4 | 224 45 31.2 32.4 6 400 6960 280 48 47.3 -8.3 | 251 42 39.9 13.7 Wind Parameters Mean winds (0-6000m): 311.5 at 31.1 knts Storm direction: 341.5 at 23.3 knts Shear (0-3000m) pos: 7.0 neg: 2.3 tot: 9.3 10-3/s Storm rel Dir Shear (0-3000m): -175.1 deg Storm rel helicity (0-3000m) pos: 171.4 neg: -83.9 tot: 87.5 m^2/s^2 ave: 29.2 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 14.5 stream: 5.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.32 Bulk Shear: 189.34 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 ------------------------------------------------------------------------------- 500 122 7 153 29| 6.4 0.0 6.4| 13.0 -43.6 -30.6 -61.1 -0.30| 15.8 -4.7 1000 106 6 151 27| 3.2 3.7 6.9| 24.5 -44.4 -19.9 -19.9 -0.12| 11.7 -1.4 1500 99 5 151 26| 2.1 4.6 6.8| 60.5 -44.4 16.2 10.8 0.14| 10.7 1.5 2000 358 8 154 16| 3.3 3.5 6.8| 96.9 -44.4 52.5 26.3 0.35| 12.4 4.3 2500 349 12 154 11| 6.4 2.8 9.1|133.6 -44.4 89.3 35.7 0.47| 13.7 6.5 3000 353 18 129 7| 7.0 2.3 9.3|171.4 -83.9 87.5 29.2 0.39| 14.5 5.6 4000 340 25 315 2| 5.2 4.9 10.2|171.4-303.3-131.8 -33.0 0.01| 15.0 0.2 5000 326 29 283 9| 4.2 6.0 10.2|171.4-554.5-383.1 -76.6 -0.17| 15.0 -2.6 6000 311 31 265 16| 4.0 5.4 9.3|271.9-641.0-369.1 -61.5 -0.15| 13.9 -2.1 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20260113.12.gif