UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 12 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 1000 43 -21.3 -24.0 79 2.7 -21.6 10 7 251.9 251.9 251.5 253.3 0.55 1 997 65 -19.9 -23.6 72 3.7 -20.4 9 7 253.5 253.6 253.0 255.0 0.57 2 925 615 -24.1 -27.6 73 3.5 -24.5 345 11 254.7 254.7 253.7 255.8 0.43 3 917 678 -24.3 -27.8 73 3.5 -24.6 350 11 255.1 255.2 254.0 256.3 0.42 4 894 864 -22.7 -26.0 74 3.3 -23.1 3 10 258.6 258.7 257.1 260.0 0.51 5 874 1031 -18.9 -21.6 79 2.7 -19.3 15 10 264.2 264.4 262.0 266.4 0.78 6 850 1238 -20.5 -22.6 83 2.1 -20.8 30 9 264.7 264.8 262.3 266.7 0.73 7 830 1414 -21.9 -24.0 83 2.1 -22.2 45 8 265.0 265.1 262.4 266.9 0.66 8 821 1494 -20.5 -22.8 82 2.3 -20.8 52 8 267.3 267.4 264.2 269.4 0.74 9 754 2122 -21.9 -24.7 78 2.8 -22.3 107 5 272.4 272.5 267.6 274.4 0.68 10 700 2665 -24.7 -28.5 71 3.8 -25.2 155 3 275.1 275.2 269.1 276.7 0.52 11 603 3739 -30.9 -35.9 61 5.0 -31.3 142 8 280.0 280.0 271.6 280.9 0.30 12 500 5040 -42.3 -47.3 58 5.0 -42.5 125 15 281.5 281.5 272.2 281.8 0.11 13 406 6405 -54.1 -58.9 55 4.8 -54.2 83 11 283.5 283.5 273.2 283.6 0.03 14 400 6500 -54.3 -59.0 56 4.7 -54.4 80 11 284.4 284.4 273.8 284.5 0.03 15 367 7053 -55.1 -59.6 57 4.5 -55.2 84 11 290.4 290.4 276.9 290.6 0.03 16 329 7747 -59.3 -63.9 55 4.6 -59.3 90 11 293.9 293.9 278.6 294.0 0.02 17 300 8330 -57.5 -62.3 54 4.8 -57.6 120 15 304.3 304.3 283.1 304.4 0.03 18 250 9480 -54.7 -59.6 55 4.9 -54.8 155 19 324.7 324.8 290.3 324.9 0.05 19 208 10665 -51.7 -57.7 49 6.0 -51.9 85 24 347.0 347.0 296.0 347.3 0.08 20 200 10920 -51.7 -57.7 49 6.0 -51.9 70 25 350.9 350.9 296.9 351.2 0.08 21 195 11084 -51.5 -59.5 38 8.0 -51.8 353.8 353.8 297.5 354.0 0.06 TRP 329 7747 -59.3 -63.9 55 4.6 -59.3 90 11 293.9 293.9 278.6 294.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4996.92 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 69.83 % Est. max temperature: -8.48 C = 16.74 F Sfc-Lift cond lev (LCL): 956.28 mb = 371.07 m = 1217.41 ft T: -22.24 C 700-500 lapse rate: 7.41 C/km ThetaE index: 0.00 C Layer 1000.0- 0.0 mb Conv cond level (CCL): 605.46 mb = 3710.13 m = 12172.19 ft Mean mixing ratio: 0.49 g/kg Conv temperature: 6.68 C = 44.02 F Cap Strength: 20.99 C Lifted Index: 21.08 C Risk: None Lifted Index @300 mb: 34.36 C Lifted Index @700 mb: 17.76 C Showalter Index: 12.23 C Risk: None Total Totals Index: 41.50 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.70 C K Index: -4.60 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.03 J/kg Max Up Vert Vel: 4.70 m/s Conv Inhibition (B-): 12412.34 J/kg Cap Strength: 21.10 C Lift Cond Lev (LCL): 895.76 mb = 849.65 m = 2787.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 128 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 1000 43 10 7 -1.2 -6.9 | 339 12 4.2 -11.1 1 925 615 345 11 2.8 -10.6 | 331 17 8.3 -14.9 2 850 1238 30 9 -4.5 -7.8 | 355 12 1.0 -12.0 3 700 2665 155 3 -1.3 2.7 | 290 4 4.2 -1.5 4 500 5040 125 15 -12.3 8.6 | 122 8 -6.8 4.4 5 400 6500 80 11 -10.8 -1.9 | 41 8 -5.4 -6.2 6 329 7747 90 11 -11.0 0.0 | 53 7 -5.5 -4.3 7 300 8330 120 15 -13.0 7.5 | 113 8 -7.5 3.2 8 250 9480 155 19 -8.0 17.2 | 169 13 -2.6 13.0 9 200 10920 70 25 -23.5 -8.6 | 55 22 -18.0 -12.8 Wind Parameters Mean winds (0-6000m): 98.0 at 9.2 knts Storm direction: 128.0 at 6.9 knts Shear (0-3000m) pos: 2.6 neg: 0.8 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): -69.3 deg Storm rel helicity (0-3000m) pos: 30.1 neg: -11.5 tot: 18.6 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.43 Bulk Shear: 25.69 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 ------------------------------------------------------------------------------- 500 356 9 335 14| 0.0 4.9 4.9| 0.0 -6.7 -6.7 -13.4 -0.36| 5.0 -1.8 1000 357 10 337 15| 2.5 2.5 5.0| 17.8 -7.1 10.7 10.7 0.24| 5.5 1.3 1500 7 9 342 14| 3.6 1.6 5.2| 29.1 -7.1 21.9 14.6 0.36| 5.9 2.1 2000 16 9 346 13| 3.5 1.2 4.7| 30.1 -7.8 22.3 11.2 0.27| 5.8 1.6 2500 17 8 345 12| 2.8 1.0 3.8| 30.1 -10.1 20.0 8.0 0.11| 5.5 0.6 3000 20 7 345 11| 2.6 0.8 3.4| 30.1 -11.5 18.6 6.2 0.05| 5.0 0.2 4000 51 7 1 9| 2.0 0.1 2.1| 30.1 -14.5 15.6 3.9 -0.09| 4.4 -0.4 5000 89 8 33 5| 1.6 0.7 2.2| 30.1 -19.3 10.9 2.2 -0.16| 4.1 -0.7 6000 98 9 51 5| 1.3 0.8 2.1| 30.1 -34.7 -4.6 -0.8 -0.30| 4.1 -1.2 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251212.00.gif