UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 13 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 1023 45 -30.3 -33.7 72 3.4 -30.5 50 9 241.3 241.3 241.2 241.9 0.22 1 1022 52 -29.5 -33.5 68 4.0 -29.7 51 9 242.1 242.2 242.0 242.7 0.22 2 1021 59 -25.7 -29.3 72 3.6 -26.0 52 10 246.0 246.0 245.8 246.9 0.33 3 1000 209 -22.5 -25.9 74 3.4 -22.9 75 19 250.6 250.7 250.3 251.9 0.46 4 985 320 -20.1 -23.4 75 3.3 -20.5 78 20 254.1 254.2 253.6 255.7 0.59 5 958 527 -19.9 -23.7 72 3.8 -20.4 83 21 256.4 256.5 255.5 258.0 0.59 6 952 573 -17.9 -22.1 70 4.2 -18.5 84 22 258.9 259.0 257.7 260.7 0.68 7 925 789 -16.7 -21.6 66 4.9 -17.5 90 23 262.2 262.3 260.5 264.3 0.73 8 882 1148 -14.1 -23.1 46 9.0 -15.6 107 24 268.5 268.6 265.0 270.5 0.67 9 854 1392 -15.5 -27.5 35 12.0 -17.3 118 25 269.5 269.6 265.3 270.9 0.47 10 850 1427 -15.9 -27.9 35 12.0 -17.6 120 25 269.5 269.6 265.2 270.8 0.45 11 791 1965 -19.9 -27.9 49 8.0 -21.0 133 22 270.8 270.9 266.2 272.3 0.49 12 775 2117 -19.1 -25.1 59 6.0 -20.0 137 21 273.3 273.4 268.1 275.2 0.64 13 727 2591 -20.9 -24.0 76 3.1 -21.4 148 19 276.3 276.5 270.2 278.6 0.76 14 700 2870 -21.5 -24.6 76 3.1 -22.0 155 17 278.7 278.8 271.6 280.9 0.74 15 692 2955 -21.9 -25.1 75 3.2 -22.4 156 17 279.1 279.3 271.9 281.3 0.72 16 615 3813 -27.7 -30.5 77 2.8 -28.0 168 22 282.1 282.1 273.2 283.6 0.49 17 570 4359 -27.7 -30.5 77 2.8 -28.0 176 26 288.3 288.4 276.6 289.9 0.53 18 500 5290 -33.5 -37.8 65 4.3 -33.8 190 31 292.2 292.2 278.2 293.2 0.29 19 470 5722 -36.5 -40.5 66 4.0 -36.8 191 37 293.7 293.7 278.9 294.5 0.24 20 419 6513 -39.1 -43.0 66 3.9 -39.4 194 49 300.2 300.2 281.7 300.9 0.20 21 400 6830 -41.5 -45.0 69 3.5 -41.7 195 54 301.1 301.1 282.0 301.7 0.17 22 300 8720 -55.3 -59.1 62 3.8 -55.4 195 50 307.4 307.4 284.4 307.6 0.04 23 296 8806 -55.9 -59.6 63 3.7 -55.9 195 50 307.7 307.7 284.5 307.9 0.04 24 260 9625 -60.9 -64.6 61 3.7 -60.9 199 53 312.0 312.0 286.1 312.1 0.02 25 250 9870 -61.3 -64.9 62 3.6 -61.3 200 54 314.9 314.9 287.1 315.0 0.02 26 232 10330 -63.1 -67.1 58 4.0 -63.1 205 58 319.0 319.0 288.5 319.1 0.02 27 203 11149 -62.7 -66.8 58 4.1 -62.8 205 73 332.0 332.0 292.3 332.1 0.02 28 200 11240 -62.7 -66.8 58 4.1 -62.7 205 71 333.5 333.5 292.7 333.6 0.02 29 150 13030 -58.5 -62.8 58 4.3 -58.6 200 52 369.3 369.3 300.5 369.5 0.05 30 149 13072 -58.3 -62.7 57 4.4 -58.4 200 52 370.3 370.4 300.7 370.6 0.06 31 100 15590 -56.9 -62.9 47 6.0 -57.1 200 62 417.8 417.8 307.5 418.2 0.08 32 86 16550 -53.5 -59.5 48 6.0 -53.9 202 66 443.1 443.1 310.3 443.9 0.15 33 70 17870 -53.9 -60.9 42 7.0 -54.4 205 71 469.1 469.1 312.6 469.9 0.15 34 65 18346 -53.7 -61.7 37 8.0 -54.3 206 75 479.6 479.6 313.5 480.4 0.15 35 53 19655 -54.7 -63.7 32 9.0 -55.4 209 84 506.1 506.1 315.4 506.9 0.14 36 50 20030 -52.3 -62.3 29 10.0 -53.2 210 87 520.2 520.3 316.4 521.4 0.18 37 35 22351 -47.9 -60.9 21 13.0 -50.1 210 109 587.6 587.7 320.1 589.8 0.30 38 35 22351 -47.7 -60.7 21 13.0 -49.9 210 109 588.1 588.2 320.2 590.3 0.31 39 34 22541 -47.9 -60.9 21 13.0 -50.1 210 110 592.5 592.6 320.3 594.7 0.31 40 31 23146 -50.3 -64.3 18 14.0 -52.3 210 116 601.8 601.9 320.7 603.5 0.22 41 30 23360 -48.3 -63.3 16 15.0 -50.8 210 118 613.0 613.1 321.3 614.9 0.26 42 27 24056 -46.3 -62.3 15 16.0 -49.6 210 117 637.3 637.5 322.3 639.9 0.32 43 27 24056 -46.5 -62.5 15 16.0 -49.7 210 117 636.8 636.9 322.3 639.3 0.32 44 27 24056 -46.1 -62.1 15 16.0 -49.4 210 117 637.9 638.0 322.3 640.5 0.33 45 26 24306 -47.1 -63.1 14 16.0 -50.2 210 117 642.0 642.1 322.4 644.4 0.30 46 22 25407 -48.1 -65.1 12 17.0 -51.4 210 116 670.4 670.5 323.5 672.7 0.27 47 22 25407 -46.9 -64.9 11 18.0 -50.6 210 116 674.0 674.1 323.6 676.4 0.28 48 20 26040 -45.5 -64.5 10 19.0 -49.9 210 116 696.9 697.0 324.4 699.8 0.33 49 18 26739 -47.7 -67.7 8 20.0 -51.8 711.3 711.4 324.8 713.4 0.23 TRP 232 10330 -63.1 -67.1 58 4.0 -63.1 205 58 319.0 319.0 288.5 319.1 0.02 WND 203 11149 -62.7 -66.8 58 4.1 -62.8 205 73 332.0 332.0 292.3 332.1 0.02 Sounding variables and indices 1000-500 mb thick: 5081.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 66.59 % Est. max temperature: -2.55 C = 27.41 F Sfc-Lift cond lev (LCL): 965.67 mb = 467.48 m = 1533.70 ft T: -19.96 C 700-500 lapse rate: 4.96 C/km ThetaE index: 0.10 C Layer 850.0- 791.0 mb Conv cond level (CCL): 1022.00 mb = 51.56 m = 169.17 ft Mean mixing ratio: 0.57 g/kg Conv temperature: -23.20 C = -9.77 F Cap Strength: 27.12 C Lifted Index: 29.29 C Risk: None Lifted Index @300 mb: 36.03 C Lifted Index @700 mb: 20.37 C Showalter Index: 17.69 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 5.60 C K Index: -13.40 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 4.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.53 J/kg Max Up Vert Vel: 10.73 m/s Conv Inhibition (B-): 60812.82 J/kg Cap Strength: 29.11 C Lift Cond Lev (LCL): 915.94 mb = 863.17 m = 2831.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 187 at 18 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 1023 45 50 9 -6.9 -5.8 | 21 26 -9.1 -23.9 1 1000 209 75 19 -18.4 -4.9 | 42 31 -20.5 -23.0 2 925 789 90 23 -23.0 0.0 | 54 31 -25.2 -18.1 3 850 1427 120 25 -21.7 12.5 | 77 24 -23.8 -5.6 4 700 2870 155 17 -7.2 15.4 | 74 10 -9.4 -2.7 5 500 5290 190 31 5.4 30.5 | 194 13 3.2 12.4 6 400 6830 195 54 14.0 52.2 | 199 36 11.8 34.1 7 300 8720 195 50 12.9 48.3 | 200 32 10.8 30.2 8 250 9870 200 54 18.5 50.7 | 207 36 16.3 32.6 9 232 10330 205 58 24.5 52.6 | 213 41 22.3 34.5 10 203 11149 205 73 30.9 66.2 | 211 56 28.7 48.1 11 200 11240 205 71 30.0 64.3 | 211 54 27.8 46.2 12 150 13030 200 52 17.8 48.9 | 207 34 15.6 30.8 13 100 15590 200 62 21.2 58.3 | 205 44 19.0 40.2 14 70 17870 205 71 30.0 64.3 | 211 54 27.8 46.2 15 50 20030 210 87 43.5 75.3 | 216 71 41.3 57.2 16 30 23360 210 118 59.0 102.2 | 214 101 56.8 84.1 17 20 26040 210 116 58.0 100.5 | 214 99 55.8 82.4 Wind Parameters Mean winds (0-6000m): 156.8 at 24.3 knts Storm direction: 186.8 at 18.2 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 60.0 deg Storm rel helicity (0-3000m) pos: 225.0 neg: -4.0 tot: 221.0 m^2/s^2 ave: 73.7 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 5.0 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.56 Bulk Shear: 102.23 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 76 18 41 30| 15.1 0.0 15.1|108.9 0.0 108.9 217.8 0.92| 16.0 14.6 1000 85 20 49 30| 10.1 0.0 10.1|167.8 0.0 167.8 167.8 0.92| 12.1 11.1 1500 96 22 56 29| 8.0 0.0 8.0|216.3 0.0 216.3 144.2 0.88| 11.2 9.8 2000 104 22 62 27| 5.8 0.0 5.8|222.2 0.0 222.2 111.1 0.78| 9.8 7.6 2500 111 22 65 25| 4.5 0.0 4.5|222.4 -1.3 221.1 88.4 0.68| 8.9 6.0 3000 116 21 67 23| 3.8 0.0 3.8|225.0 -4.0 221.0 73.7 0.62| 8.1 5.0 4000 128 21 75 19| 3.8 0.0 3.8|241.2 -4.0 237.2 59.3 0.67| 7.1 4.8 5000 143 22 89 15| 3.8 0.0 3.8|260.5 -4.0 256.5 51.3 0.70| 6.6 4.6 6000 157 24 110 12| 4.3 0.0 4.3|270.0 -4.0 266.0 44.3 0.61| 6.7 4.1 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251213.12.gif