UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 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 1017 47 -10.7 -13.5 80 2.8 -11.3 90 7 261.2 261.4 260.8 264.7 1.32 1 1016 55 -8.9 -13.2 71 4.3 -9.9 91 8 263.1 263.3 262.3 266.7 1.36 2 1000 178 -5.5 -10.5 68 5.0 -6.9 115 25 267.6 267.9 266.3 272.3 1.71 3 996 209 -4.9 -10.9 63 6.0 -6.6 116 25 268.6 268.8 266.8 273.1 1.67 4 993 233 -3.9 -9.9 63 6.0 -5.7 117 25 269.8 270.1 267.8 274.8 1.81 5 992 241 -2.1 -9.1 59 7.0 -4.3 117 25 271.7 272.0 269.3 277.0 1.93 6 967 444 0.0 -10.0 47 10.0 -3.2 124 23 275.8 276.1 271.7 281.0 1.85 7 953 561 -0.5 -14.5 34 14.0 -4.5 127 23 276.4 276.6 271.2 280.2 1.30 8 925 798 -1.3 -17.3 28 16.0 -5.6 135 21 278.0 278.2 271.8 281.1 1.06 9 897 1043 -2.7 -18.7 28 16.0 -6.8 115 18 279.0 279.2 272.2 281.9 0.97 10 870 1286 -1.7 -20.7 22 19.0 -6.5 95 15 282.5 282.6 274.0 285.0 0.84 11 857 1406 1.0 -22.0 16 23.0 -5.0 85 14 286.5 286.7 276.1 288.9 0.77 12 850 1472 1.0 -24.0 13 25.0 -5.3 80 13 287.2 287.3 276.2 289.2 0.65 13 839 1576 0.6 -26.4 11 27.0 -5.8 79 13 287.8 287.9 276.4 289.5 0.53 14 820 1760 0.0 -19.0 22 19.0 -5.4 77 13 289.1 289.3 277.8 292.3 1.04 15 700 3003 -9.3 -26.3 24 17.0 -12.9 65 11 292.2 292.3 278.7 294.2 0.64 16 699 3014 -9.3 -26.3 24 17.0 -12.9 65 11 292.3 292.4 278.8 294.3 0.64 17 601 4166 -14.3 -37.3 12 23.0 -17.7 88 11 299.4 299.5 281.5 300.3 0.26 18 500 5530 -24.3 -42.3 17 18.0 -26.2 115 11 303.4 303.4 283.0 304.1 0.18 19 400 7120 -36.3 -49.3 25 13.0 -37.1 100 15 307.8 307.8 284.7 308.2 0.11 20 300 9050 -51.7 -62.7 26 11.0 -51.9 85 19 312.5 312.5 286.2 312.6 0.03 21 250 10210 -60.3 -70.3 26 10.0 -60.4 85 15 316.4 316.4 287.6 316.5 0.01 22 240 10465 -61.9 -71.9 25 10.0 -62.0 85 17 317.7 317.7 288.0 317.8 0.01 23 238 10517 -62.1 -72.1 25 10.0 -62.1 85 17 318.2 318.2 288.2 318.2 0.01 24 228 10784 -61.7 -71.7 25 10.0 -61.8 106 15 322.7 322.7 289.6 322.8 0.01 25 220 11009 -56.3 -67.3 24 11.0 -56.5 123 12 334.4 334.4 292.9 334.5 0.02 26 200 11620 -54.3 -64.3 28 10.0 -54.5 170 7 346.8 346.8 296.0 346.9 0.03 27 199 11652 -53.9 -63.9 28 10.0 -54.1 170 7 347.9 347.9 296.2 348.1 0.04 28 175 12476 -51.5 -63.5 23 12.0 -51.9 161 8 364.9 364.9 299.7 365.1 0.04 29 150 13470 -51.9 -65.9 17 14.0 -52.3 150 9 380.6 380.7 302.4 380.8 0.04 30 100 16080 -53.7 -72.7 8 19.0 -54.3 165 11 424.0 424.0 308.2 424.1 0.02 31 70 18380 -52.7 -73.7 6 21.0 -53.6 150 13 471.6 471.6 312.8 471.8 0.03 32 63 19061 -50.9 -72.9 6 22.0 -52.1 152 11 490.0 490.0 314.2 490.2 0.03 33 63 19061 -50.5 -72.5 6 22.0 -51.8 152 11 490.9 490.9 314.3 491.1 0.03 34 62 19165 -50.5 -72.5 6 22.0 -51.8 152 11 493.2 493.2 314.5 493.4 0.03 35 51 20432 -51.9 -73.9 5 22.0 -53.2 155 7 518.2 518.2 316.2 518.4 0.03 36 50 20560 -52.1 -74.1 5 22.0 -53.4 155 7 520.7 520.7 316.4 520.9 0.03 37 41 21836 -55.5 -78.5 4 23.0 -56.6 120 6 542.6 542.6 317.7 542.8 0.02 38 36 22670 -53.3 -77.3 4 24.0 -54.9 97 6 568.9 568.9 319.1 569.1 0.03 39 34 23040 -51.9 -75.9 4 24.0 -53.8 87 5 581.9 582.0 319.8 582.2 0.04 40 30 23850 -52.7 -76.7 4 24.0 -54.6 65 5 601.0 601.0 320.7 601.2 0.04 41 27 24532 -52.3 -76.3 4 24.0 -54.5 82 7 620.5 620.5 321.5 620.8 0.04 42 22 25858 -52.5 -76.5 4 24.0 -55.0 115 10 657.3 657.3 323.0 657.7 0.05 43 22 25858 -52.5 -76.5 4 24.0 -55.0 115 10 657.3 657.3 323.0 657.7 0.05 44 20 26480 -48.5 -73.5 4 25.0 -52.3 130 11 687.7 687.8 324.0 688.5 0.09 45 19 26818 -48.3 -73.3 4 25.0 -52.3 128 11 698.5 698.5 324.4 699.4 0.10 46 19 26818 -49.1 -74.1 4 25.0 -52.8 128 11 696.0 696.1 324.3 696.8 0.09 47 14 28817 -50.3 -75.3 4 25.0 -54.5 117 11 755.5 755.5 326.1 756.4 0.10 48 12 29834 -45.5 -71.5 4 26.0 -52.0 112 11 806.5 806.6 327.4 808.6 0.21 49 10 31050 -45.5 -71.5 4 26.0 -52.7 105 11 849.7 849.8 328.4 852.3 0.25 50 9.8 31185 -43.5 -69.5 4 26.0 -51.6 862.1 862.3 328.7 865.7 0.33 51 8.7 31994 -39.1 -67.1 4 28.0 -50.0 909.1 909.4 329.7 915.1 0.53 52 8.3 32315 -41.9 -68.9 4 27.0 -51.5 910.4 910.6 329.7 915.3 0.43 53 7.5 33005 -39.5 -67.5 4 28.0 -50.9 946.9 947.2 330.4 953.8 0.58 54 6.7 33770 -43.3 -69.3 4 26.0 -53.1 962.0 962.3 330.7 968.1 0.50 TRP 238 10517 -62.1 -72.1 25 10.0 -62.1 85 17 318.2 318.2 288.2 318.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5352.00 m Freezing level: Surface below freezing Freezing level: 967.00 mb = 444.17 m = 1457.24 ft Freezing level: 967.00 mb = 444.17 m = 1457.24 ft Freezing level: 861.81 mb = 1361.40 m = 4466.49 ft Freezing level: 820.00 mb = 1759.72 m = 5773.29 ft Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 22.89 % Est. max temperature: 11.62 C = 52.92 F Sfc-Lift cond lev (LCL): 972.21 mb = 401.40 m = 1316.93 ft T: -0.44 C 700-500 lapse rate: 5.94 C/km ThetaE index: 0.81 C Layer 953.0- 925.0 mb Conv cond level (CCL): 546.55 mb = 4870.11 m = 15977.86 ft Mean mixing ratio: 1.50 g/kg Conv temperature: 29.85 C = 85.72 F Cap Strength: 19.61 C Lifted Index: 21.27 C Risk: None Lifted Index @300 mb: 24.51 C Lifted Index @700 mb: 14.94 C Showalter Index: 12.54 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 0.30 C K Index: -15.70 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 52.21 J/kg Max Up Vert Vel: 10.22 m/s Conv Inhibition (B-): 82632.09 J/kg Cap Strength: 21.09 C Lift Cond Lev (LCL): 819.28 mb = 1766.64 m = 5795.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 128 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 1017 47 90 7 -7.0 0.0 | 352 6 0.9 -6.1 1 1000 178 115 25 -22.7 10.6 | 107 15 -14.8 4.5 2 925 798 135 21 -14.8 14.8 | 141 11 -7.0 8.8 3 850 1472 80 13 -12.8 -2.3 | 31 10 -4.9 -8.3 4 700 3003 65 11 -10.0 -4.6 | 11 11 -2.1 -10.7 5 500 5530 115 11 -10.0 4.6 | 56 3 -2.1 -1.4 6 400 7120 100 15 -14.8 2.6 | 63 8 -6.9 -3.5 7 300 9050 85 19 -18.9 -1.7 | 55 13 -11.1 -7.7 8 250 10210 85 15 -14.9 -1.3 | 44 10 -7.1 -7.4 9 238 10517 85 17 -16.9 -1.5 | 50 12 -9.1 -7.6 10 200 11620 170 7 -1.2 6.9 | 263 7 6.7 0.8 11 150 13470 150 9 -4.5 7.8 | 243 4 3.4 1.7 12 100 16080 165 11 -2.8 10.6 | 228 7 5.0 4.5 13 70 18380 150 13 -6.5 11.3 | 195 5 1.4 5.2 14 50 20560 155 7 -3.0 6.3 | 267 5 4.9 0.3 15 30 23850 65 5 -4.5 -2.1 | 338 9 3.3 -8.2 16 20 26480 130 11 -8.4 7.1 | 151 1 -0.6 1.0 17 10 31050 105 11 -10.6 2.8 | 40 4 -2.8 -3.2 Wind Parameters Mean winds (0-6000m): 97.7 at 13.3 knts Storm direction: 127.7 at 10.0 knts Shear (0-3000m) pos: 3.0 neg: 3.4 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 19.7 deg Storm rel helicity (0-3000m) pos: 54.1 neg: -49.7 tot: 4.4 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 1.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.63 Bulk Shear: 14.37 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 ------------------------------------------------------------------------------- 500 118 22 111 12| 18.0 0.0 18.0| 46.1 0.0 46.1 92.1 0.90| 27.0 24.3 1000 123 21 119 11| 9.0 3.2 12.3| 54.1 -16.3 37.8 37.8 0.54| 18.7 10.1 1500 118 19 108 10| 6.0 5.8 11.8| 54.1 -40.9 13.2 8.8 0.19| 16.2 3.1 2000 111 18 91 9| 4.5 4.6 9.1| 54.1 -44.0 10.1 5.0 0.16| 12.5 2.0 2500 105 16 77 8| 3.6 3.9 7.5| 54.1 -47.1 6.9 2.8 0.13| 10.2 1.4 3000 100 16 66 8| 3.0 3.4 6.4| 54.1 -49.7 4.4 1.5 0.11| 8.7 1.0 4000 95 14 54 8| 2.7 2.5 5.2| 59.0 -49.7 9.3 2.3 0.14| 7.0 1.0 5000 95 14 50 8| 2.5 2.0 4.5| 61.6 -49.7 11.9 2.4 0.16| 6.0 1.0 6000 98 13 51 7| 2.2 1.7 3.8| 62.7 -49.7 13.0 2.2 0.17| 5.3 0.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250423.12.gif