UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 3 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 1009 47 -27.5 -30.5 76 3.0 -27.7 70 1 245.0 245.1 244.8 245.8 0.30 1 1000 112 -25.9 -29.9 69 4.0 -26.2 75 3 247.2 247.3 246.9 248.1 0.32 2 992 170 -24.7 -28.7 69 4.0 -25.1 74 4 249.0 249.1 248.6 250.0 0.36 3 973 311 -24.3 -28.0 71 3.7 -24.6 71 6 250.8 250.9 250.3 251.9 0.39 4 948 502 -20.5 -24.1 73 3.6 -21.0 68 8 256.5 256.6 255.6 258.1 0.57 5 925 684 -19.5 -23.4 71 3.9 -20.0 65 11 259.4 259.5 258.0 261.1 0.63 6 894 938 -17.5 -22.5 65 5.0 -18.3 79 13 264.0 264.1 261.7 265.9 0.70 7 850 1315 -17.5 -25.5 50 8.0 -18.7 100 15 267.8 267.9 264.3 269.4 0.56 8 803 1741 -17.5 -23.5 59 6.0 -18.5 109 13 272.2 272.3 267.5 274.3 0.72 9 728 2470 -20.3 -24.2 71 3.9 -20.9 124 10 276.9 277.0 270.6 279.1 0.74 10 700 2760 -21.7 -25.7 70 4.0 -22.3 130 9 278.5 278.6 271.4 280.5 0.67 11 614 3717 -26.5 -30.7 68 4.2 -27.0 153 8 283.6 283.7 274.0 285.1 0.48 12 566 4300 -31.3 -35.7 65 4.4 -31.7 168 8 284.6 284.7 274.3 285.6 0.32 13 500 5170 -36.3 -40.4 66 4.1 -36.6 190 7 288.8 288.8 276.4 289.5 0.23 14 439 6059 -42.1 -46.2 64 4.1 -42.3 187 13 292.4 292.4 278.1 292.9 0.14 15 400 6680 -47.1 -51.2 63 4.1 -47.2 185 17 293.8 293.8 278.6 294.1 0.09 16 300 8520 -61.7 -65.8 58 4.1 -61.7 185 17 298.4 298.4 280.7 298.4 0.02 17 286 8814 -64.5 -68.8 55 4.3 -64.6 182 17 298.5 298.5 280.7 298.5 0.01 18 258 9440 -66.9 -71.1 55 4.2 -66.9 175 17 303.9 303.9 283.0 303.9 0.01 19 253 9558 -66.9 -71.1 55 4.2 -66.9 178 19 305.6 305.6 283.7 305.6 0.01 20 250 9630 -66.3 -70.4 56 4.1 -66.3 180 21 307.5 307.5 284.4 307.5 0.01 21 200 11010 -58.9 -63.5 55 4.6 -59.0 185 35 339.5 339.5 294.2 339.6 0.04 22 198 11073 -58.3 -63.0 55 4.7 -58.4 185 35 341.4 341.4 294.7 341.6 0.04 23 176 11808 -61.1 -65.7 54 4.6 -61.2 185 31 348.5 348.5 296.3 348.7 0.03 24 166 12171 -60.7 -65.5 53 4.8 -60.8 185 29 355.1 355.1 297.7 355.2 0.03 25 161 12363 -56.7 -61.7 53 5.0 -56.8 185 27 364.9 364.9 299.7 365.2 0.06 26 150 12810 -57.7 -63.7 46 6.0 -57.8 185 25 370.7 370.7 300.7 370.9 0.05 27 133 13569 -57.7 -63.7 46 6.0 -57.9 182 28 383.6 383.7 302.9 383.9 0.05 28 100 15360 -59.5 -67.5 35 8.0 -59.7 175 35 412.8 412.8 306.9 413.0 0.04 29 70 17580 -59.9 -69.9 26 10.0 -60.2 185 44 456.2 456.2 311.4 456.5 0.04 30 50 19690 -58.3 -69.3 23 11.0 -58.9 180 60 506.1 506.1 315.4 506.5 0.07 31 38 21418 -57.9 -69.9 20 12.0 -58.6 183 72 548.4 548.5 318.1 549.0 0.08 32 33 22317 -53.1 -67.1 17 14.0 -54.6 184 79 583.7 583.8 319.9 584.8 0.14 33 30 22930 -53.9 -67.9 16 14.0 -55.4 185 83 597.7 597.7 320.6 598.7 0.14 34 22 24942 -50.5 -66.5 13 16.0 -53.2 181 104 663.3 663.4 323.3 665.1 0.23 35 20 25560 -53.7 -69.7 12 16.0 -55.9 180 110 671.8 671.9 323.5 673.1 0.16 36 19 25890 -54.3 -70.3 12 16.0 -56.5 180 111 679.9 679.9 323.8 681.2 0.15 37 18 26241 -50.7 -68.7 10 18.0 -53.9 181 113 701.8 701.9 324.6 703.6 0.20 38 17 26616 -47.7 -65.7 11 18.0 -51.8 181 114 723.0 723.2 325.3 726.0 0.33 39 16 27020 -45.1 -64.1 10 19.0 -50.3 182 116 744.1 744.3 325.9 748.1 0.43 40 13 28421 -41.5 -61.5 10 20.0 -48.8 183 121 802.1 802.5 327.5 809.6 0.75 41 13 28421 -37.1 -59.1 8 22.0 -46.5 183 121 817.4 817.9 327.9 827.7 1.02 42 11 29580 -35.9 -58.9 8 23.0 -46.7 184 126 861.7 862.4 328.9 875.0 1.23 43 10 30240 -38.5 -62.5 6 24.0 -48.7 185 128 875.8 876.3 329.1 885.2 0.85 44 9.0 30962 -39.8 -64.7 5 24.9 -49.9 180 130 897.8 898.1 329.5 905.8 0.71 45 8.9 31039 -39.9 -64.9 5 25.0 -50.0 900.1 900.5 329.6 908.0 0.70 46 8.6 31274 -38.5 -64.5 5 26.0 -49.6 914.4 914.9 329.8 923.2 0.76 47 7.0 32699 -34.9 -62.9 4 28.0 -49.0 984.8 985.5 331.2 999.1 1.16 TRP 258 9440 -66.9 -71.1 55 4.2 -66.9 175 17 303.9 303.9 283.0 303.9 0.01 WND 9.0 30962 -39.8 -64.7 5 24.9 -49.9 180 130 897.8 898.1 329.5 905.8 0.71 Sounding variables and indices 1000-500 mb thick: 5058.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 65.83 % Est. max temperature: -5.46 C = 22.18 F Sfc-Lift cond lev (LCL): 959.34 mb = 414.74 m = 1360.69 ft T: -22.24 C 700-500 lapse rate: 6.06 C/km ThetaE index: 0.00 C Layer 1009.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 112.00 m = 367.45 ft Mean mixing ratio: 0.49 g/kg Conv temperature: -24.59 C = -12.26 F Cap Strength: 24.90 C Lifted Index: 27.43 C Risk: None Lifted Index @300 mb: 30.45 C Lifted Index @700 mb: 21.14 C Showalter Index: 16.00 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 10.80 C K Index: -10.70 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 4.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 59.87 J/kg Max Up Vert Vel: 10.94 m/s Conv Inhibition (B-): 74416.63 J/kg Cap Strength: 27.27 C Lift Cond Lev (LCL): 903.86 mb = 856.09 m = 2808.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 161 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 1009 47 70 1 -0.9 -0.3 | 349 7 1.4 -7.1 1 1000 112 75 3 -2.9 -0.8 | 4 8 -0.5 -7.6 2 925 684 65 11 -10.0 -4.6 | 34 14 -7.6 -11.4 3 850 1315 100 15 -14.8 2.6 | 71 13 -12.4 -4.2 4 700 2760 130 9 -6.9 5.8 | 78 5 -4.5 -1.0 5 500 5170 190 7 1.2 6.9 | 268 4 3.6 0.1 6 400 6680 185 17 1.5 16.9 | 201 11 3.8 10.1 7 300 8520 185 17 1.5 16.9 | 201 11 3.8 10.1 8 258 9440 175 17 -1.5 16.9 | 185 10 0.9 10.1 9 250 9630 180 21 0.0 21.0 | 189 14 2.4 14.2 10 200 11010 185 35 3.1 34.9 | 191 29 5.4 28.1 11 150 12810 185 25 2.2 24.9 | 194 19 4.5 18.1 12 100 15360 175 35 -3.1 34.9 | 179 28 -0.7 28.1 13 70 17580 185 44 3.8 43.8 | 189 38 6.2 37.0 14 50 19690 180 60 0.0 60.0 | 183 53 2.4 53.2 15 30 22930 185 83 7.2 82.7 | 187 76 9.6 75.9 16 20 25560 180 110 0.0 110.0 | 181 103 2.4 103.2 17 10 30240 185 128 11.2 127.5 | 186 121 13.5 120.7 Wind Parameters Mean winds (0-6000m): 130.9 at 9.6 knts Storm direction: 160.9 at 7.2 knts Shear (0-3000m) pos: 1.8 neg: 1.4 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 95.4 deg Storm rel helicity (0-3000m) pos: 53.0 neg: -0.3 tot: 52.7 m^2/s^2 ave: 17.6 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 6.32 Bulk Shear: 9.47 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 69 6 18 9| 0.0 8.3 8.3| 14.1 0.0 14.1 28.1 0.76| 8.4 6.4 1000 72 8 31 11| 2.8 4.2 6.9| 33.9 0.0 33.9 33.9 0.80| 7.6 6.0 1500 84 10 45 11| 3.0 2.8 5.8| 49.9 0.0 49.9 33.2 0.81| 6.9 5.6 2000 91 11 53 11| 2.3 2.1 4.4| 52.1 0.0 52.1 26.1 0.73| 6.0 4.4 2500 96 11 57 10| 1.9 1.7 3.6| 52.5 -0.1 52.4 21.0 0.66| 5.4 3.6 3000 101 11 60 10| 1.8 1.4 3.1| 53.0 -0.3 52.7 17.6 0.62| 4.9 3.0 4000 110 10 65 8| 1.6 1.0 2.7| 54.0 -0.3 53.7 13.4 0.61| 4.1 2.5 5000 119 10 70 6| 1.4 0.8 2.3| 54.9 -0.3 54.6 10.9 0.61| 3.7 2.2 6000 131 10 84 5| 1.4 0.6 2.0| 55.0 -5.9 49.1 8.2 0.42| 3.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251203.12.gif