UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 4 DEC 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 1007 44 -28.7 -32.0 73 3.3 -28.9 220 1 244.0 244.0 243.8 244.7 0.26 1 1000 94 -28.7 -32.6 69 3.9 -29.0 220 3 244.4 244.5 244.2 245.1 0.25 2 990 166 -26.7 -30.4 71 3.7 -27.0 204 3 247.2 247.2 246.8 248.0 0.31 3 963 367 -25.5 -29.0 72 3.5 -25.8 160 4 250.3 250.4 249.8 251.3 0.36 4 949 473 -22.7 -25.8 76 3.1 -23.1 136 4 254.2 254.3 253.4 255.6 0.49 5 925 662 -21.3 -24.3 77 3.0 -21.7 95 5 257.5 257.6 256.4 259.1 0.58 6 851 1281 -17.5 -20.8 75 3.3 -18.1 120 5 267.7 267.9 264.7 270.1 0.86 7 850 1290 -17.5 -20.8 75 3.3 -18.1 120 5 267.8 268.0 264.8 270.2 0.86 8 728 2442 -20.9 -24.1 75 3.2 -21.4 136 8 276.2 276.3 270.2 278.4 0.75 9 700 2730 -22.9 -26.2 74 3.3 -23.4 140 9 277.1 277.2 270.5 279.1 0.64 10 646 3315 -26.1 -29.1 76 3.0 -26.5 138 9 279.9 280.0 272.1 281.6 0.53 11 500 5120 -39.3 -42.0 75 2.7 -39.5 130 11 285.1 285.2 274.4 285.7 0.19 12 437 6022 -46.5 -49.6 71 3.1 -46.6 103 16 287.2 287.2 275.4 287.5 0.09 13 400 6600 -50.3 -53.6 68 3.3 -50.4 85 19 289.6 289.6 276.6 289.8 0.06 14 300 8440 -61.5 -64.7 66 3.2 -61.5 90 21 298.6 298.7 280.8 298.7 0.02 15 284 8779 -63.5 -66.9 63 3.4 -63.5 90 17 300.5 300.5 281.5 300.6 0.02 16 250 9570 -60.5 -64.0 63 3.5 -60.6 155 13 316.1 316.1 287.5 316.2 0.03 17 209 10685 -58.9 -62.6 62 3.7 -59.0 199 21 335.2 335.3 293.2 335.4 0.04 18 200 10960 -59.9 -63.6 62 3.7 -60.0 210 23 337.9 337.9 293.9 338.1 0.04 19 150 12760 -59.3 -63.6 57 4.3 -59.4 180 23 367.9 367.9 300.2 368.1 0.05 20 100 15290 -60.3 -65.3 52 5.0 -60.4 195 35 411.2 411.2 306.7 411.5 0.06 21 70 17520 -60.3 -67.3 39 7.0 -60.6 195 48 455.4 455.4 311.4 455.7 0.06 22 50 19610 -59.9 -67.9 34 8.0 -60.3 190 50 502.3 502.3 315.1 502.8 0.08 23 43 20557 -59.7 -67.7 35 8.0 -60.2 191 62 525.0 525.0 316.6 525.6 0.10 24 36 21683 -55.5 -64.5 32 9.0 -56.4 193 75 563.2 563.3 318.9 564.5 0.18 25 32 22435 -56.3 -65.3 31 9.0 -57.2 194 84 580.3 580.4 319.8 581.7 0.18 26 30 22850 -52.7 -62.7 29 10.0 -54.1 195 89 601.0 601.1 320.7 603.0 0.28 27 28 23296 -50.9 -60.9 30 10.0 -52.7 194 90 618.0 618.1 321.5 620.8 0.38 28 22 24879 -46.3 -58.3 24 12.0 -49.6 191 94 675.8 676.1 323.8 681.3 0.66 29 20 25510 -47.3 -60.3 21 13.0 -50.7 190 95 691.4 691.6 324.3 696.3 0.57 30 19 25849 -47.7 -61.7 18 14.0 -51.2 191 99 700.4 700.6 324.6 704.7 0.50 31 18 26206 -47.9 -61.9 18 14.0 -51.4 192 104 710.7 710.9 324.9 715.2 0.51 32 17 26583 -47.5 -62.5 16 15.0 -51.4 192 109 723.6 723.9 325.3 728.2 0.50 33 16 26986 -44.5 -59.5 17 15.0 -49.4 193 114 746.1 746.5 326.0 753.4 0.79 34 14 27877 -46.1 -62.1 15 16.0 -51.0 195 126 769.7 770.0 326.6 775.9 0.64 35 13 28372 -43.7 -60.7 14 17.0 -49.8 196 132 794.5 794.9 327.3 802.7 0.83 36 11 29506 -39.1 -59.1 10 20.0 -48.0 199 147 850.1 850.7 328.7 862.8 1.20 37 10 30160 -38.8 -60.5 8 21.7 -48.4 200 155 874.9 875.5 329.2 887.0 1.11 38 8.8 31039 -38.3 -62.3 6 24.0 -49.1 909.2 909.8 329.8 920.6 1.00 TRP 284 8779 -63.5 -66.9 63 3.4 -63.5 90 17 300.5 300.5 281.5 300.6 0.02 WND 10 30160 -38.8 -60.5 8 21.7 -48.4 200 155 874.9 875.5 329.2 887.0 1.11 Sounding variables and indices 1000-500 mb thick: 5026.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 75.23 % Est. max temperature: -5.77 C = 21.62 F Sfc-Lift cond lev (LCL): 952.43 mb = 447.14 m = 1466.97 ft T: -23.39 C 700-500 lapse rate: 6.86 C/km ThetaE index: 0.00 C Layer 1007.0- -0.0 mb Conv cond level (CCL): 1000.00 mb = 94.00 m = 308.40 ft Mean mixing ratio: 0.44 g/kg Conv temperature: -26.04 C = -14.88 F Cap Strength: 23.51 C Lifted Index: 26.01 C Risk: None Lifted Index @300 mb: 32.00 C Lifted Index @700 mb: 21.64 C Showalter Index: 12.36 C Risk: None Total Totals Index: 40.30 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 18.50 C K Index: -2.30 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 3.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.72 J/kg Max Up Vert Vel: 11.20 m/s Conv Inhibition (B-): 82697.95 J/kg Cap Strength: 26.01 C Lift Cond Lev (LCL): 910.52 mb = 779.20 m = 2556.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 157 at 7 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 1007 44 220 1 0.6 0.8 | 329 6 3.2 -5.3 1 1000 94 220 3 1.9 2.3 | 310 6 4.4 -3.7 2 925 662 95 5 -5.0 0.4 | 24 6 -2.5 -5.6 3 850 1290 120 5 -4.3 2.5 | 27 4 -1.8 -3.5 4 700 2730 140 9 -5.8 6.9 | 105 3 -3.3 0.9 5 500 5120 130 11 -8.4 7.1 | 100 6 -5.9 1.0 6 400 6600 85 19 -18.9 -1.7 | 65 18 -16.4 -7.7 7 300 8440 90 21 -21.0 0.0 | 72 19 -18.5 -6.0 8 284 8779 90 17 -17.0 0.0 | 67 16 -14.5 -6.0 9 250 9570 155 13 -5.5 11.8 | 153 6 -3.0 5.7 10 200 10960 210 23 11.5 19.9 | 225 20 14.0 13.9 11 150 12760 180 23 0.0 23.0 | 188 17 2.5 17.0 12 100 15290 195 35 9.1 33.8 | 203 30 11.6 27.8 13 70 17520 195 48 12.4 46.4 | 200 43 14.9 40.3 14 50 19610 190 50 8.7 49.2 | 195 45 11.2 43.2 15 30 22850 195 89 23.0 86.0 | 198 84 25.5 79.9 16 20 25510 190 95 16.5 93.6 | 192 90 19.0 87.5 17 10 30160 200 155 53.0 145.7 | 202 150 55.5 139.6 Wind Parameters Mean winds (0-6000m): 127.4 at 8.7 knts Storm direction: 157.4 at 6.5 knts Shear (0-3000m) pos: 0.9 neg: 0.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 135.1 deg Storm rel helicity (0-3000m) pos: 7.8 neg: -3.0 tot: 4.8 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.89 Bulk Shear: 4.86 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 ------------------------------------------------------------------------------- 500 161 4 333 3| 0.0 5.0 5.0| 3.0 -2.9 0.1 0.1 0.22| 8.6 1.9 1000 116 4 18 4| 0.0 2.8 2.8| 3.7 -2.9 0.8 0.8 0.21| 5.8 1.2 1500 117 5 21 4| 0.5 1.9 2.3| 4.5 -2.9 1.5 1.0 0.24| 4.4 1.1 2000 121 5 27 4| 0.8 1.4 2.2| 5.8 -2.9 2.9 1.4 0.32| 3.7 1.2 2500 126 6 36 3| 1.0 1.1 2.1| 7.2 -2.9 4.3 1.7 0.39| 3.3 1.3 3000 130 6 46 3| 0.9 0.9 1.9| 7.8 -3.0 4.8 1.6 0.40| 2.9 1.2 4000 132 7 63 3| 0.7 0.8 1.5| 7.8 -3.1 4.7 1.2 0.37| 2.3 0.9 5000 132 8 76 3| 0.6 0.8 1.3| 7.8 -3.4 4.4 0.9 0.34| 2.0 0.7 6000 127 9 80 4| 0.5 1.3 1.8| 7.8 -13.3 -5.5 -0.9 0.10| 2.4 0.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251204.00.gif