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 U1946... Searching the city database file for: U1946 ... Date:1200Z 26 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 1021 48 -11.3 -14.3 78 3.0 -11.9 100 7 260.3 260.5 259.9 263.6 1.24 1 1020 55 -8.7 -12.6 73 3.9 -9.6 100 8 263.0 263.2 262.3 266.8 1.42 2 1000 209 -5.1 -9.4 72 4.3 -6.4 105 19 268.0 268.4 266.8 273.2 1.87 3 988 304 -4.1 -8.8 70 4.7 -5.5 106 19 270.0 270.3 268.3 275.4 1.99 4 925 823 -3.7 -10.7 58 7.0 -5.8 110 17 275.5 275.8 271.5 280.7 1.82 5 914 917 -3.9 -12.9 50 9.0 -6.5 110 17 276.3 276.5 271.5 280.7 1.55 6 850 1487 -6.9 -16.9 45 10.0 -9.4 110 17 278.9 279.1 272.5 282.4 1.20 7 846 1524 -7.1 -18.1 41 11.0 -9.8 110 17 279.1 279.3 272.5 282.3 1.09 8 840 1579 -6.9 -17.9 41 11.0 -9.6 110 17 279.9 280.1 273.0 283.1 1.11 9 830 1673 -6.7 -17.7 41 11.0 -9.5 111 17 281.0 281.2 273.7 284.4 1.14 10 783 2125 -9.7 -15.7 62 6.0 -11.3 112 19 282.5 282.8 275.0 286.8 1.44 11 752 2436 -10.7 -26.7 26 16.0 -13.7 113 20 284.7 284.8 274.8 286.5 0.57 12 700 2983 -14.5 -22.5 51 8.0 -16.2 115 21 286.4 286.6 276.2 289.2 0.90 13 614 3962 -20.7 -26.7 59 6.0 -21.7 111 20 290.2 290.4 277.9 292.4 0.70 14 602 4108 -20.9 -25.9 64 5.0 -21.8 111 20 291.7 291.8 278.6 294.1 0.77 15 553 4731 -23.5 -29.5 58 6.0 -24.4 108 20 295.7 295.8 280.3 297.7 0.60 16 500 5460 -27.9 -37.9 38 10.0 -28.9 105 19 299.0 299.1 281.3 300.0 0.29 17 454 6148 -32.1 -44.1 29 12.0 -33.0 114 21 302.1 302.2 282.5 302.7 0.17 18 422 6661 -36.3 -50.3 22 14.0 -37.1 120 22 303.1 303.2 282.8 303.5 0.09 19 400 7030 -39.5 -52.5 24 13.0 -40.1 125 23 303.7 303.7 283.0 303.9 0.07 20 326 8401 -50.1 -58.1 38 8.0 -50.3 118 22 307.3 307.4 284.4 307.5 0.05 21 300 8940 -53.9 -61.9 37 8.0 -54.0 115 21 309.4 309.4 285.1 309.5 0.03 22 261 9828 -58.5 -65.5 40 7.0 -58.6 110 19 315.2 315.2 287.2 315.3 0.02 23 250 10100 -58.1 -65.1 40 7.0 -58.2 105 17 319.7 319.7 288.6 319.8 0.02 24 243 10278 -58.3 -65.3 40 7.0 -58.4 104 16 322.0 322.0 289.4 322.1 0.02 25 218 10967 -52.7 -60.7 37 8.0 -52.9 102 12 340.8 340.8 294.6 341.0 0.05 26 216 11026 -52.7 -60.7 37 8.0 -52.9 102 12 341.7 341.7 294.8 341.9 0.05 27 200 11520 -53.7 -61.7 37 8.0 -53.9 100 9 347.7 347.7 296.2 347.9 0.05 28 164 12808 -49.7 -59.7 30 10.0 -50.1 97 9 374.7 374.8 301.4 375.1 0.07 29 150 13390 -51.1 -62.1 26 11.0 -51.5 95 9 382.0 382.0 302.6 382.3 0.06 30 100 16020 -51.3 -67.3 13 16.0 -52.0 90 9 428.6 428.6 308.7 428.8 0.04 31 90 16705 -51.5 -67.5 13 16.0 -52.2 83 8 441.3 441.3 310.0 441.6 0.05 32 70 18340 -50.9 -68.9 10 18.0 -52.0 65 5 475.5 475.5 313.1 475.8 0.05 33 50 20530 -50.9 -70.9 8 20.0 -52.4 75 9 523.5 523.5 316.5 523.9 0.05 34 47 20932 -51.5 -71.5 7 20.0 -52.9 531.4 531.4 317.1 531.8 0.05 35 43 21509 -51.9 -72.9 6 21.0 -53.4 544.1 544.2 317.8 544.5 0.05 TRP 261 9828 -58.5 -65.5 40 7.0 -58.6 110 19 315.2 315.2 287.2 315.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5251.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 52.50 % Est. max temperature: 6.53 C = 43.76 F Sfc-Lift cond lev (LCL): 972.84 mb = 425.68 m = 1396.56 ft T: -4.01 C 700-500 lapse rate: 5.41 C/km ThetaE index: 0.25 C Layer 752.0- 700.0 mb Conv cond level (CCL): 708.23 mb = 2893.84 m = 9494.10 ft Mean mixing ratio: 1.85 g/kg Conv temperature: 14.71 C = 58.48 F Cap Strength: 17.14 C Lifted Index: 19.13 C Risk: None Lifted Index @300 mb: 23.66 C Lifted Index @700 mb: 11.20 C Showalter Index: 14.15 C Risk: None Total Totals Index: 32.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 11.00 C K Index: -3.90 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.17 J/kg Max Up Vert Vel: 8.96 m/s Conv Inhibition (B-): 38972.65 J/kg Cap Strength: 19.11 C Lift Cond Lev (LCL): 890.38 mb = 1122.89 m = 3683.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 140 at 14 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 1021 48 100 7 -6.9 1.2 | 347 10 2.2 -9.8 1 1000 209 105 19 -18.4 4.9 | 57 11 -9.2 -6.1 2 925 823 110 17 -16.0 5.8 | 53 9 -6.9 -5.2 3 850 1487 110 17 -16.0 5.8 | 53 9 -6.9 -5.2 4 700 2983 115 21 -19.0 8.9 | 78 10 -9.9 -2.1 5 500 5460 105 19 -18.4 4.9 | 57 11 -9.2 -6.1 6 400 7030 125 23 -18.8 13.2 | 103 10 -9.7 2.2 7 300 8940 115 21 -19.0 8.9 | 78 10 -9.9 -2.1 8 261 9828 110 19 -17.9 6.5 | 63 10 -8.7 -4.5 9 250 10100 105 17 -16.4 4.4 | 48 10 -7.3 -6.6 10 200 11520 100 9 -8.9 1.6 | 358 9 0.3 -9.4 11 150 13390 95 9 -9.0 0.8 | 359 10 0.1 -10.2 12 100 16020 90 9 -9.0 0.0 | 359 11 0.1 -11.0 13 70 18340 65 5 -4.5 -2.1 | 341 14 4.6 -13.1 14 50 20530 75 9 -8.7 -2.3 | 358 13 0.4 -13.3 Wind Parameters Mean winds (0-6000m): 110.3 at 19.0 knts Storm direction: 140.3 at 14.3 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 90.2 deg Storm rel helicity (0-3000m) pos: 37.6 neg: -1.6 tot: 36.1 m^2/s^2 ave: 12.0 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 39.17 Bulk Shear: 1.03 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 ------------------------------------------------------------------------------- 500 106 17 47 9| 11.3 0.0 11.3| 28.0 -0.7 27.3 54.6 0.86| 13.8 11.9 1000 107 17 50 9| 5.2 0.0 5.2| 28.0 -1.5 26.5 26.5 0.77| 7.5 5.8 1500 108 17 51 9| 3.5 0.0 3.5| 28.4 -1.5 26.9 17.9 0.77| 5.1 3.9 2000 109 17 53 9| 3.0 0.0 3.0| 31.6 -1.5 30.1 15.0 0.79| 4.2 3.3 2500 110 18 56 9| 2.7 0.0 2.7| 34.9 -1.5 33.4 13.4 0.80| 3.6 2.9 3000 111 18 60 9| 2.5 0.0 2.5| 37.6 -1.6 36.1 12.0 0.80| 3.2 2.6 4000 111 19 63 9| 1.8 0.2 2.1| 37.6 -6.0 31.6 7.9 0.66| 2.6 1.7 5000 111 19 64 10| 1.5 0.3 1.8| 37.6 -10.4 27.3 5.5 0.54| 2.3 1.2 6000 110 19 63 10| 1.4 0.3 1.7| 45.7 -12.1 33.6 5.6 0.55| 2.2 1.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250426.12.gif