UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 30 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 1015 47 -13.5 -16.4 79 2.9 -14.0 90 7 258.5 258.7 258.2 261.4 1.04 1 1014 54 -13.1 -16.5 76 3.4 -13.7 91 7 259.0 259.2 258.5 261.8 1.04 2 1013 62 -9.1 -12.6 76 3.5 -9.9 92 8 263.1 263.3 262.4 266.9 1.43 3 1000 161 -8.3 -12.2 73 3.9 -9.3 105 11 264.9 265.1 263.9 268.9 1.50 4 925 768 -6.9 -14.9 53 8.0 -8.9 120 23 272.3 272.5 268.6 275.9 1.30 5 897 1008 -6.7 -17.7 41 11.0 -9.4 118 22 274.9 275.0 269.9 277.9 1.06 6 883 1131 -7.1 -20.1 35 13.0 -10.0 117 22 275.7 275.8 270.1 278.3 0.88 7 850 1427 -7.7 -16.7 48 9.0 -9.9 115 21 278.1 278.3 272.1 281.6 1.22 8 747 2424 -11.9 -25.9 30 14.0 -14.6 112 17 284.0 284.1 274.5 285.9 0.62 9 700 2918 -14.9 -25.9 39 11.0 -16.9 110 15 286.0 286.1 275.6 288.0 0.66 10 545 4763 -27.1 -36.1 42 9.0 -28.0 114 18 292.7 292.8 278.5 293.8 0.32 11 509 5253 -28.5 -37.5 42 9.0 -29.4 115 19 296.8 296.8 280.4 297.8 0.30 12 500 5380 -29.7 -39.7 37 10.0 -30.6 115 19 296.8 296.9 280.3 297.7 0.24 13 400 6940 -41.9 -49.9 41 8.0 -42.2 110 17 300.5 300.6 281.7 300.9 0.10 14 380 7284 -44.9 -52.9 40 8.0 -45.2 107 16 301.0 301.0 281.9 301.3 0.07 15 300 8830 -53.9 -59.9 48 6.0 -54.0 95 13 309.4 309.4 285.1 309.5 0.04 16 275 9383 -56.5 -62.5 47 6.0 -56.6 95 11 313.4 313.4 286.6 313.5 0.03 17 272 9453 -56.7 -62.7 47 6.0 -56.8 95 11 314.1 314.1 286.8 314.2 0.03 18 250 9990 -53.1 -59.1 48 6.0 -53.2 95 13 327.1 327.1 291.0 327.3 0.05 19 241 10228 -51.7 -58.7 43 7.0 -51.9 93 12 332.7 332.7 292.5 332.9 0.06 20 210 11129 -48.9 -56.9 39 8.0 -49.2 87 10 350.4 350.4 296.8 350.8 0.08 21 200 11450 -49.1 -58.1 34 9.0 -49.4 85 9 355.0 355.0 297.8 355.3 0.07 22 150 13330 -49.5 -64.5 16 15.0 -50.1 65 11 384.8 384.8 303.1 385.0 0.04 23 100 15990 -50.1 -70.1 8 20.0 -51.0 50 9 430.9 430.9 309.0 431.1 0.03 24 95 16325 -49.9 -69.9 8 20.0 -50.8 46 9 437.7 437.7 309.7 437.9 0.03 25 70 18320 -49.7 -72.7 5 23.0 -51.0 20 7 478.1 478.1 313.3 478.2 0.03 26 50 20520 -49.3 -73.3 4 24.0 -51.1 85 7 527.3 527.3 316.8 527.5 0.04 27 46 21066 -49.7 -73.7 4 24.0 -51.5 539.1 539.1 317.5 539.3 0.04 28 37 22494 -48.9 -73.9 4 25.0 -51.2 575.7 575.8 319.5 576.1 0.05 TRP 275 9383 -56.5 -62.5 47 6.0 -56.6 95 11 313.4 313.4 286.6 313.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5219.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 43.30 % Est. max temperature: 5.01 C = 41.02 F Sfc-Lift cond lev (LCL): 968.44 mb = 410.71 m = 1347.46 ft T: -7.72 C 700-500 lapse rate: 6.01 C/km Conv cond level (CCL): 1014.00 mb = 54.09 m = 177.44 ft Mean mixing ratio: 1.39 g/kg Conv temperature: -12.92 C = 8.74 F Cap Strength: 20.58 C Lifted Index: 20.50 C Risk: None Lifted Index @300 mb: 26.41 C Lifted Index @700 mb: 13.91 C Showalter Index: 12.94 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 13.00 C K Index: -5.70 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 3.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.54 J/kg Max Up Vert Vel: 6.41 m/s Conv Inhibition (B-): 43089.91 J/kg Cap Strength: 20.55 C Lift Cond Lev (LCL): 876.96 mb = 1183.90 m = 3884.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 144 at 13 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 1015 47 90 7 -7.0 0.0 | 355 11 0.9 -10.8 1 1000 161 105 11 -10.6 2.8 | 19 8 -2.7 -7.9 2 925 768 120 23 -19.9 11.5 | 94 12 -12.0 0.7 3 850 1427 115 21 -19.0 8.9 | 80 11 -11.1 -1.9 4 700 2918 110 15 -14.1 5.1 | 48 8 -6.2 -5.6 5 500 5380 115 19 -17.2 8.0 | 74 10 -9.3 -2.7 6 400 6940 110 17 -16.0 5.8 | 59 9 -8.1 -4.9 7 300 8830 95 13 -13.0 1.1 | 28 11 -5.0 -9.6 8 275 9383 95 11 -11.0 1.0 | 17 10 -3.1 -9.8 9 250 9990 95 13 -13.0 1.1 | 28 11 -5.0 -9.6 10 200 11450 85 9 -9.0 -0.8 | 5 12 -1.1 -11.5 11 150 13330 65 11 -10.0 -4.6 | 8 16 -2.1 -15.4 12 100 15990 50 9 -6.9 -5.8 | 356 17 1.0 -16.5 13 70 18320 20 7 -2.4 -6.6 | 342 18 5.5 -17.3 14 50 20520 85 7 -7.0 -0.6 | 355 11 0.9 -11.4 Wind Parameters Mean winds (0-6000m): 113.7 at 17.8 knts Storm direction: 143.7 at 13.4 knts Shear (0-3000m) pos: 2.8 neg: 1.3 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 54.0 deg Storm rel helicity (0-3000m) pos: 38.4 neg: -20.9 tot: 17.5 m^2/s^2 ave: 5.8 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.61 Bulk Shear: 2.70 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 ------------------------------------------------------------------------------- 500 109 13 37 8| 13.0 0.0 13.0| 27.4 0.0 27.4 54.9 0.93| 13.0 12.2 1000 116 18 68 9| 8.4 0.0 8.4| 38.0 -2.5 35.4 35.4 0.82| 9.3 7.6 1500 116 19 74 9| 5.6 0.7 6.3| 38.0 -8.4 29.6 19.7 0.64| 6.9 4.4 2000 115 19 74 10| 4.2 1.0 5.2| 38.0 -13.1 24.9 12.4 0.50| 5.7 2.9 2500 115 19 72 10| 3.4 1.3 4.6| 38.0 -17.7 20.3 8.1 0.38| 5.0 1.9 3000 114 18 69 9| 2.8 1.3 4.1| 38.4 -20.9 17.5 5.8 0.31| 4.5 1.4 4000 114 18 66 9| 2.3 0.9 3.3| 42.1 -20.9 21.3 5.3 0.35| 3.6 1.3 5000 114 18 66 9| 2.0 0.8 2.8| 46.1 -20.9 25.2 5.0 0.39| 3.0 1.2 6000 114 18 67 9| 1.7 0.7 2.4| 47.3 -23.5 23.8 4.0 0.35| 2.7 0.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250430.12.gif