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 U1946... Searching the city database file for: U1946 ... Date:1200Z 27 APR 25 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 1018 43 -14.1 -16.4 83 2.3 -14.5 90 9 257.7 257.9 257.5 260.5 1.04 1 1016 58 -15.3 -18.6 76 3.3 -15.9 91 9 256.7 256.8 256.3 259.0 0.87 2 1000 178 -15.7 -18.8 77 3.1 -16.2 95 13 257.5 257.6 256.9 259.8 0.86 3 986 284 -15.7 -18.6 78 2.9 -16.2 94 16 258.5 258.6 257.8 260.9 0.89 4 947 592 -9.7 -12.3 81 2.6 -10.4 92 24 267.6 267.8 266.0 271.9 1.57 5 925 774 -9.1 -14.1 67 5.0 -10.4 90 29 270.0 270.2 267.3 273.9 1.39 6 911 892 -8.7 -15.7 57 7.0 -10.4 89 28 271.6 271.8 268.1 275.1 1.23 7 877 1186 -9.5 -21.5 37 12.0 -11.9 87 26 273.7 273.9 268.7 276.0 0.78 8 850 1427 -9.7 -23.7 31 14.0 -12.5 85 25 276.0 276.1 269.9 278.0 0.66 9 760 2286 -12.3 -30.3 21 18.0 -15.2 76 27 282.1 282.2 273.1 283.4 0.40 10 700 2910 -15.5 -36.5 15 21.0 -18.3 70 29 285.3 285.4 274.6 286.1 0.24 11 686 3062 -16.3 -37.3 15 21.0 -19.0 69 29 286.1 286.1 275.0 286.8 0.23 12 623 3781 -20.9 -29.9 44 9.0 -22.2 67 30 288.8 288.9 276.9 290.4 0.51 13 573 4396 -23.7 -36.7 29 13.0 -25.2 64 31 292.5 292.6 278.4 293.5 0.29 14 500 5380 -29.9 -35.9 56 6.0 -30.5 60 33 296.6 296.6 280.4 297.8 0.36 15 478 5698 -31.5 -36.5 61 5.0 -32.0 61 34 298.4 298.5 281.2 299.6 0.35 16 474 5757 -31.9 -36.9 61 5.0 -32.4 61 34 298.7 298.7 281.3 299.8 0.34 17 400 6930 -40.9 -45.9 58 5.0 -41.2 65 38 301.8 301.9 282.3 302.4 0.16 18 326 8293 -51.3 -56.3 55 5.0 -51.4 69 49 305.7 305.7 283.8 305.9 0.06 19 300 8830 -54.5 -59.4 55 4.9 -54.6 70 54 308.5 308.5 284.8 308.7 0.04 20 282 9224 -56.1 -61.0 54 4.9 -56.2 75 54 311.7 311.7 286.0 311.9 0.04 21 276 9361 -56.1 -61.0 54 4.9 -56.2 74 51 313.7 313.7 286.6 313.8 0.04 22 250 9990 -55.3 -60.2 54 4.9 -55.4 70 35 323.9 323.9 290.0 324.0 0.05 23 207 11214 -49.5 -55.5 49 6.0 -49.7 66 21 350.9 350.9 296.9 351.3 0.10 24 200 11440 -49.9 -56.9 44 7.0 -50.2 65 19 353.8 353.8 297.5 354.1 0.09 25 175 12310 -50.9 -58.9 38 8.0 -51.2 67 16 365.9 365.9 299.9 366.2 0.08 26 158 12979 -47.9 -57.9 31 10.0 -48.4 69 14 381.8 381.8 302.6 382.3 0.10 27 150 13320 -49.1 -59.1 30 10.0 -49.6 70 13 385.5 385.5 303.2 385.9 0.09 28 138 13864 -51.3 -63.3 23 12.0 -51.8 73 13 390.9 390.9 303.9 391.2 0.06 29 100 15960 -50.5 -66.5 13 16.0 -51.2 85 11 430.2 430.2 308.9 430.4 0.05 30 80 17413 -50.3 -68.3 10 18.0 -51.3 85 8 458.9 458.9 311.7 459.2 0.05 31 70 18280 -52.1 -70.1 10 18.0 -53.0 85 7 472.9 472.9 312.9 473.2 0.04 32 68 18468 -52.3 -71.3 8 19.0 -53.2 476.4 476.4 313.2 476.7 0.04 TRP 282 9224 -56.1 -61.0 54 4.9 -56.2 75 54 311.7 311.7 286.0 311.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5202.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 38.78 % Est. max temperature: 2.73 C = 36.91 F Sfc-Lift cond lev (LCL): 980.70 mb = 325.52 m = 1067.95 ft T: -14.90 C 700-500 lapse rate: 5.83 C/km ThetaE index: 1.51 C Layer 1016.0-1000.0 mb Conv cond level (CCL): 1016.00 mb = 57.97 m = 190.19 ft Mean mixing ratio: 1.19 g/kg Conv temperature: -14.73 C = 5.49 F Cap Strength: 22.57 C Lifted Index: 24.87 C Risk: None Lifted Index @300 mb: 29.86 C Lifted Index @700 mb: 17.94 C Showalter Index: 15.61 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 6.20 C K Index: -24.50 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 4.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.12 J/kg Max Up Vert Vel: 10.40 m/s Conv Inhibition (B-): 34462.65 J/kg Cap Strength: 24.83 C Lift Cond Lev (LCL): 921.56 mb = 802.84 m = 2633.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 101 at 21 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 1018 43 90 9 -9.0 0.0 | 290 13 12.0 -4.2 1 1000 178 95 13 -13.0 1.1 | 291 9 8.0 -3.1 2 925 774 90 29 -29.0 0.0 | 62 9 -8.0 -4.2 3 850 1427 85 25 -24.9 -2.2 | 31 8 -3.9 -6.4 4 700 2910 70 29 -27.3 -9.9 | 24 15 -6.3 -14.2 5 500 5380 60 33 -28.6 -16.5 | 20 22 -7.6 -20.7 6 400 6930 65 38 -34.4 -16.1 | 34 24 -13.5 -20.3 7 300 8830 70 54 -50.7 -18.5 | 53 37 -29.8 -22.7 8 282 9224 75 54 -52.2 -14.0 | 60 36 -31.2 -18.2 9 250 9990 70 35 -32.9 -12.0 | 36 20 -11.9 -16.2 10 200 11440 65 19 -17.2 -8.0 | 343 13 3.8 -12.3 11 150 13320 70 13 -12.2 -4.4 | 315 12 8.8 -8.7 12 100 15960 85 11 -11.0 -1.0 | 297 11 10.0 -5.2 13 70 18280 85 7 -7.0 -0.6 | 289 15 14.0 -4.9 Wind Parameters Mean winds (0-6000m): 71.4 at 28.5 knts Storm direction: 101.4 at 21.4 knts Shear (0-3000m) pos: 2.4 neg: 2.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 94.3 deg Storm rel helicity (0-3000m) pos: 14.1 neg: -13.8 tot: 0.3 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.16 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.85 Bulk Shear: 29.24 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 93 16 304 6| 14.2 0.0 14.2| 9.5 0.0 9.5 19.1 0.55| 14.5 7.9 1000 91 22 8 4| 7.1 2.5 9.6| 14.1 -3.2 10.9 10.9 0.44| 11.1 4.9 1500 89 23 24 5| 4.7 1.4 6.2| 14.1 -8.8 5.3 3.6 0.27| 8.5 2.3 2000 87 24 26 6| 3.6 1.8 5.3| 14.1 -9.7 4.4 2.2 0.23| 7.1 1.6 2500 84 24 27 7| 2.8 2.0 4.8| 14.1 -11.6 2.5 1.0 0.19| 6.2 1.2 3000 82 25 27 9| 2.4 2.0 4.4| 14.1 -13.8 0.3 0.1 0.16| 5.6 0.9 4000 78 26 26 11| 1.8 1.9 3.7| 14.1 -15.6 -1.5 -0.4 0.14| 4.5 0.6 5000 74 27 25 13| 1.4 1.8 3.2| 14.1 -18.7 -4.6 -0.9 0.11| 3.9 0.4 6000 71 29 25 15| 1.3 1.6 2.9| 27.8 -19.9 7.8 1.3 0.15| 3.6 0.5 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250427.12.gif