UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 23 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 42 -0.3 -10.3 47 10.0 -3.4 120 5 271.7 272.0 269.0 276.5 1.72 1 1014 50 -2.5 -14.5 39 12.0 -5.7 120 6 269.6 269.8 266.7 273.0 1.22 2 1003 137 0.0 -15.0 31 15.0 -4.1 120 13 272.9 273.1 268.8 276.3 1.19 3 1000 161 0.0 -16.0 29 16.0 -4.3 120 15 273.1 273.3 268.8 276.3 1.10 4 982 306 0.8 -17.2 25 18.0 -4.0 126 16 275.4 275.5 270.1 278.3 1.01 5 967 430 4.4 -20.6 14 25.0 -2.3 131 17 280.2 280.4 272.6 282.5 0.77 6 932 730 4.4 -26.6 8 31.0 -3.0 143 19 283.2 283.3 273.8 284.7 0.47 7 926 782 4.2 -24.8 10 29.0 -3.0 145 19 283.5 283.6 274.1 285.2 0.55 8 925 791 4.2 -24.8 10 29.0 -3.0 145 19 283.6 283.7 274.2 285.3 0.55 9 850 1473 0.2 -18.8 22 19.0 -5.1 135 15 286.4 286.5 276.4 289.5 1.02 10 775 2206 -4.9 -17.9 35 13.0 -8.5 140 16 288.5 288.7 277.7 292.2 1.21 11 700 2999 -9.1 -24.1 28 15.0 -12.5 145 17 292.4 292.5 279.0 294.9 0.78 12 603 4136 -16.3 -35.3 18 19.0 -19.1 118 13 296.8 296.9 280.4 297.9 0.31 13 583 4389 -15.9 -37.9 13 22.0 -19.0 112 12 300.2 300.2 281.8 301.0 0.25 14 548 4852 -19.7 -41.7 12 22.0 -22.3 101 10 301.0 301.1 282.0 301.7 0.18 15 528 5128 -19.3 -44.3 9 25.0 -22.1 95 9 304.7 304.7 283.5 305.2 0.14 16 500 5530 -22.5 -51.5 5 29.0 -25.0 85 7 305.6 305.6 283.7 305.9 0.07 17 488 5707 -23.9 -52.9 5 29.0 -26.2 87 7 306.0 306.0 283.9 306.2 0.06 18 400 7120 -35.7 -54.7 12 19.0 -36.7 105 11 308.6 308.6 284.9 308.8 0.06 19 300 9060 -50.5 -64.5 18 14.0 -50.8 95 19 314.2 314.2 286.8 314.3 0.02 20 250 10220 -59.5 -73.5 15 14.0 -59.6 90 17 317.6 317.6 288.0 317.6 0.01 21 249 10245 -59.7 -73.7 15 14.0 -59.8 90 17 317.7 317.7 288.0 317.7 0.01 22 247 10296 -59.9 -73.9 14 14.0 -60.0 90 17 318.1 318.1 288.1 318.1 0.01 23 227 10828 -59.9 -73.9 14 14.0 -60.0 122 12 325.9 325.9 290.5 325.9 0.01 24 211 11294 -54.7 -68.7 16 14.0 -54.9 150 8 340.9 340.9 294.6 341.0 0.02 25 200 11640 -54.1 -68.1 16 14.0 -54.4 170 5 347.1 347.1 296.0 347.2 0.02 26 173 12574 -49.5 -65.5 14 16.0 -50.0 175 7 369.4 369.4 300.5 369.5 0.03 27 150 13500 -50.7 -68.7 10 18.0 -51.2 180 9 382.7 382.7 302.7 382.8 0.02 28 100 16130 -52.7 -74.7 5 22.0 -53.4 155 9 425.9 425.9 308.4 426.0 0.02 29 97 16327 -52.9 -74.9 5 22.0 -53.6 155 9 429.2 429.2 308.7 429.3 0.02 30 70 18440 -51.5 -75.5 4 24.0 -52.5 160 9 474.2 474.2 313.0 474.3 0.02 31 60 19442 -49.7 -74.7 4 25.0 -51.2 153 8 499.6 499.6 314.9 499.8 0.03 32 50 20630 -50.5 -75.5 4 25.0 -52.1 145 7 524.5 524.5 316.6 524.6 0.03 33 49 20762 -49.7 -74.7 4 25.0 -51.4 144 7 529.4 529.4 316.9 529.6 0.03 34 48 20896 -50.5 -75.5 4 25.0 -52.1 143 7 530.6 530.6 317.0 530.8 0.03 35 44 21459 -52.5 -77.5 3 25.0 -53.9 139 6 539.1 539.1 317.5 539.3 0.02 36 31 23727 -50.3 -75.3 4 25.0 -52.7 122 3 601.8 601.9 320.7 602.2 0.05 37 30 23940 -51.5 -76.5 3 25.0 -53.7 120 3 604.2 604.3 320.8 604.5 0.04 38 28 24389 -51.9 -76.9 3 25.0 -54.1 123 4 615.2 615.2 321.3 615.5 0.04 39 23 25663 -53.9 -77.9 4 24.0 -56.1 130 8 644.9 644.9 322.5 645.2 0.04 40 20 26570 -50.7 -75.7 4 25.0 -53.9 135 11 681.0 681.0 323.8 681.5 0.07 41 19 26905 -50.1 -75.1 4 25.0 -53.6 692.9 692.9 324.2 693.6 0.08 42 17 27634 -48.3 -74.3 3 26.0 -52.7 721.1 721.1 325.1 721.9 0.10 43 14 28910 -49.3 -74.3 4 25.0 -53.8 758.9 758.9 326.2 759.9 0.12 44 12 29935 -42.9 -69.9 4 27.0 -50.5 815.7 815.9 327.7 818.4 0.26 45 11 30521 -43.5 -69.5 4 26.0 -51.2 834.1 834.3 328.1 837.2 0.30 TRP 247 10296 -59.9 -73.9 14 14.0 -60.0 90 17 318.1 318.1 288.1 318.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5369.00 m Freezing level: Surface below freezing Freezing level: 1003.00 mb = 136.96 m = 449.33 ft Freezing level: 847.06 mb = 1501.73 m = 4926.88 ft Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 20.64 % Est. max temperature: 13.86 C = 56.94 F Sfc-Lift cond lev (LCL): 867.56 mb = 1308.08 m = 4291.54 ft T: 1.17 C 700-500 lapse rate: 5.29 C/km ThetaE index: 3.46 C Layer 1014.0-1003.0 mb Conv cond level (CCL): 451.56 mb = 6258.56 m = 20533.08 ft Mean mixing ratio: 0.81 g/kg Conv temperature: 35.27 C = 95.48 F Cap Strength: 20.29 C Lifted Index: 20.55 C Risk: None Lifted Index @300 mb: 23.43 C Lifted Index @700 mb: 12.37 C Showalter Index: 14.13 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 3.70 C K Index: -11.10 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.81 J/kg Max Up Vert Vel: 10.75 m/s Conv Inhibition (B-): 69326.59 J/kg Cap Strength: 20.49 C Lift Cond Lev (LCL): 674.56 mb = 3281.08 m = 10764.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 163 at 10 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 42 120 5 -4.3 2.5 | 10 7 -1.3 -7.3 1 1000 161 120 15 -13.0 7.5 | 77 10 -9.9 -2.3 2 925 791 145 19 -10.9 15.6 | 126 10 -7.8 5.8 3 850 1473 135 15 -10.6 10.6 | 96 8 -7.6 0.8 4 700 2999 145 17 -9.8 13.9 | 122 8 -6.7 4.2 5 500 5530 85 7 -7.0 -0.6 | 21 11 -3.9 -10.4 6 400 7120 105 11 -10.6 2.8 | 48 10 -7.6 -6.9 7 300 9060 95 19 -18.9 1.7 | 63 18 -15.9 -8.1 8 250 10220 90 17 -17.0 0.0 | 55 17 -13.9 -9.8 9 247 10296 90 17 -17.0 0.0 | 55 17 -13.9 -9.8 10 200 11640 170 5 -0.9 4.9 | 336 5 2.2 -4.8 11 150 13500 180 9 0.0 9.0 | 284 3 3.1 -0.8 12 100 16130 155 9 -3.8 8.2 | 25 2 -0.7 -1.6 13 70 18440 160 9 -3.1 8.5 | 1 1 -0.0 -1.3 14 50 20630 145 7 -4.0 5.7 | 13 4 -1.0 -4.0 15 30 23940 120 3 -2.6 1.5 | 357 8 0.5 -8.3 16 20 26570 135 11 -7.8 7.8 | 67 5 -4.7 -2.0 Wind Parameters Mean winds (0-6000m): 132.6 at 13.6 knts Storm direction: 162.6 at 10.2 knts Shear (0-3000m) pos: 2.6 neg: 0.5 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 109.4 deg Storm rel helicity (0-3000m) pos: 45.0 neg: -9.4 tot: 35.6 m^2/s^2 ave: 11.9 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 135.85 Bulk Shear: 0.43 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 ------------------------------------------------------------------------------- 500 127 15 84 9| 13.0 0.0 13.0| 30.6 0.0 30.6 61.2 0.97| 15.5 15.1 1000 136 16 103 9| 6.7 0.0 6.7| 38.6 -3.2 35.5 35.5 0.84| 10.1 8.5 1500 137 16 104 8| 4.5 1.0 5.5| 38.6 -9.0 29.6 19.8 0.61| 7.8 4.7 2000 137 16 104 8| 3.6 0.8 4.3| 40.9 -9.0 31.9 15.9 0.63| 6.1 3.8 2500 137 16 105 8| 3.0 0.6 3.6| 43.1 -9.0 34.1 13.7 0.64| 5.1 3.3 3000 139 16 107 8| 2.6 0.5 3.1| 45.0 -9.4 35.6 11.9 0.64| 4.5 2.9 4000 138 16 104 8| 2.0 1.3 3.3| 45.0 -24.8 20.2 5.1 0.28| 4.3 1.2 5000 135 15 96 7| 1.6 1.6 3.2| 45.0 -39.4 5.7 1.1 0.10| 4.1 0.4 6000 133 14 86 7| 1.4 1.5 2.9| 49.4 -46.2 3.1 0.5 0.07| 3.7 0.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250423.00.gif