UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 7 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 1001 41 -24.3 -27.1 78 2.8 -24.6 360 1 248.8 248.8 248.5 249.9 0.41 1 1000 48 -24.3 -27.9 72 3.6 -24.6 360 1 248.9 248.9 248.5 249.9 0.38 2 968 287 -21.9 -25.8 71 3.9 -22.4 335 3 253.6 253.7 252.9 254.9 0.48 3 934 550 -23.5 -27.5 70 4.0 -23.9 307 5 254.6 254.6 253.6 255.8 0.43 4 925 621 -22.9 -26.8 70 3.9 -23.3 300 5 255.9 256.0 254.8 257.2 0.46 5 921 653 -22.9 -26.8 70 3.9 -23.3 296 5 256.2 256.3 255.1 257.5 0.46 6 910 741 -20.1 -23.8 72 3.7 -20.6 285 7 260.0 260.1 258.4 261.7 0.61 7 889 915 -19.1 -22.2 76 3.1 -19.6 262 9 262.7 262.9 260.8 264.8 0.72 8 856 1195 -21.1 -23.4 82 2.3 -21.4 227 12 263.5 263.6 261.3 265.4 0.68 9 850 1247 -19.5 -21.8 82 2.3 -19.8 220 13 265.7 265.8 263.2 267.9 0.79 10 846 1282 -18.3 -20.4 84 2.1 -18.7 220 13 267.3 267.5 264.5 269.9 0.89 11 791 1782 -19.7 -24.3 67 4.6 -20.4 222 17 271.0 271.1 266.7 273.0 0.68 12 716 2513 -24.7 -28.6 70 3.9 -25.2 224 24 273.4 273.4 267.9 274.9 0.50 13 700 2677 -24.7 -28.4 71 3.7 -25.2 225 25 275.1 275.2 269.1 276.7 0.53 14 605 3732 -27.9 -32.4 65 4.5 -28.4 214 21 283.2 283.2 273.7 284.5 0.42 15 500 5080 -35.9 -41.9 54 6.0 -36.3 200 15 289.3 289.3 276.6 289.9 0.19 16 473 5463 -38.7 -44.7 53 6.0 -39.0 199 13 290.4 290.5 277.1 290.9 0.15 17 400 6590 -47.3 -53.3 50 6.0 -47.4 195 5 293.5 293.5 278.5 293.8 0.07 18 300 8450 -56.7 -61.4 55 4.7 -56.8 55 9 305.4 305.4 283.6 305.5 0.03 19 291 8643 -57.5 -62.3 54 4.8 -57.6 70 7 307.0 307.0 284.2 307.1 0.03 20 250 9610 -55.5 -60.2 56 4.7 -55.6 190 11 323.6 323.6 289.9 323.7 0.05 21 200 11040 -51.7 -57.7 49 6.0 -51.9 195 19 350.9 350.9 296.9 351.2 0.08 22 150 12910 -50.5 -59.5 34 9.0 -50.9 205 29 383.1 383.1 302.8 383.4 0.08 23 100 15540 -52.1 -66.1 17 14.0 -52.7 195 36 427.1 427.1 308.6 427.3 0.05 24 74 17467 -55.9 -71.9 12 16.0 -56.5 199 44 457.5 457.5 311.5 457.6 0.03 25 70 17820 -55.5 -71.5 12 16.0 -56.1 200 46 465.7 465.7 312.3 465.9 0.04 26 59 18914 -54.3 -71.3 11 17.0 -55.2 203 46 491.7 491.7 314.4 491.9 0.04 27 50 19970 -56.7 -74.7 9 18.0 -57.5 205 46 509.9 509.9 315.7 510.1 0.03 28 42 21070 -59.3 -77.3 8 18.0 -60.0 207 54 529.5 529.5 316.9 529.6 0.02 29 30 23170 -61.1 -79.1 8 18.0 -61.9 210 69 578.1 578.1 319.6 578.2 0.03 30 27 23824 -61.9 -79.9 7 18.0 -62.7 210 74 593.5 593.5 320.3 593.7 0.03 31 26 24060 -59.7 -78.7 7 19.0 -60.7 210 75 606.2 606.2 320.9 606.4 0.03 32 22 25098 -62.9 -81.9 6 19.0 -63.7 210 83 626.3 626.3 321.7 626.5 0.02 33 20 25690 -59.7 -79.7 6 20.0 -61.0 210 87 653.4 653.4 322.8 653.7 0.03 34 16 27080 -61.3 -80.3 6 19.0 -62.6 691.3 691.3 324.1 691.6 0.04 35 14 27919 -55.7 -76.7 6 21.0 -58.3 737.2 737.2 325.6 737.9 0.08 36 13 28391 -56.1 -77.1 6 21.0 -58.7 215 97 751.6 751.7 326.0 752.4 0.08 37 12 28899 -56.5 -77.5 5 21.0 -59.2 767.6 767.6 326.4 768.3 0.08 TRP 291 8643 -57.5 -62.3 54 4.8 -57.6 70 7 307.0 307.0 284.2 307.1 0.03 WND 13 28391 -56.1 -77.1 6 21.0 -58.7 215 97 751.6 751.7 326.0 752.4 0.08 Sounding variables and indices 1000-500 mb thick: 5032.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 68.05 % Est. max temperature: -7.73 C = 18.09 F Sfc-Lift cond lev (LCL): 955.32 mb = 383.87 m = 1259.41 ft T: -22.49 C 700-500 lapse rate: 4.66 C/km ThetaE index: 0.00 C Layer 1000.0- 968.0 mb Conv cond level (CCL): 547.78 mb = 4434.68 m = 14549.30 ft Mean mixing ratio: 0.47 g/kg Conv temperature: 13.30 C = 55.93 F Cap Strength: 23.94 C Lifted Index: 27.57 C Risk: None Lifted Index @300 mb: 35.21 C Lifted Index @700 mb: 17.88 C Showalter Index: 17.63 C Risk: None Total Totals Index: 30.50 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 14.10 C K Index: -9.10 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 4.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.64 J/kg Max Up Vert Vel: 8.32 m/s Conv Inhibition (B-): 76831.02 J/kg Cap Strength: 27.47 C Lift Cond Lev (LCL): 892.64 mb = 884.25 m = 2901.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 248 at 12 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 1001 41 360 1 -0.0 -1.0 | 64 12 -10.9 -5.4 1 1000 48 360 1 -0.0 -1.0 | 64 12 -10.9 -5.4 2 925 621 300 5 4.3 -2.5 | 44 10 -6.6 -6.9 3 850 1247 220 13 8.4 10.0 | 155 6 -2.5 5.5 4 700 2677 225 25 17.7 17.7 | 207 15 6.8 13.3 5 500 5080 200 15 5.1 14.1 | 149 11 -5.8 9.7 6 400 6590 195 5 1.3 4.8 | 92 10 -9.6 0.4 7 300 8450 55 9 -7.4 -5.2 | 62 21 -18.3 -9.6 8 291 8643 70 7 -6.6 -2.4 | 69 19 -17.5 -6.8 9 250 9610 190 11 1.9 10.8 | 126 11 -9.0 6.4 10 200 11040 195 19 4.9 18.4 | 157 15 -6.0 13.9 11 150 12910 205 29 12.3 26.3 | 184 22 1.4 21.9 12 100 15540 195 36 9.3 34.8 | 177 30 -1.6 30.4 13 70 17820 200 46 15.7 43.2 | 187 39 4.8 38.8 14 50 19970 205 46 19.4 41.7 | 193 38 8.5 37.3 15 30 23170 210 69 34.5 59.8 | 203 60 23.6 55.3 16 20 25690 210 87 43.5 75.3 | 205 78 32.6 70.9 Wind Parameters Mean winds (0-6000m): 218.0 at 15.7 knts Storm direction: 248.0 at 11.8 knts Shear (0-3000m) pos: 1.5 neg: 2.7 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 135.4 deg Storm rel helicity (0-3000m) pos: 22.1 neg: -22.2 tot: -0.2 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.17 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.98 Bulk Shear: 35.35 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 ------------------------------------------------------------------------------- 500 317 3 55 11| 0.0 4.0 4.0| 0.0 -11.1 -11.1 -22.2 -0.84| 4.4 -3.7 1000 279 5 49 8| 0.0 5.6 5.6| 1.1 -15.1 -14.0 -14.0 -0.24| 7.3 -1.7 1500 241 8 80 4| 0.0 5.6 5.6| 6.4 -15.1 -8.7 -5.8 0.08| 7.8 0.7 2000 232 10 121 4| 1.1 4.2 5.3| 13.2 -15.1 -1.9 -1.0 0.18| 7.0 1.3 2500 229 12 158 4| 1.7 3.3 5.1| 20.5 -15.1 5.4 2.2 0.23| 6.5 1.5 3000 227 14 176 5| 1.5 2.7 4.2| 22.1 -22.2 -0.2 -0.1 0.17| 5.9 1.0 4000 224 16 182 7| 1.1 1.6 2.7| 22.1 -40.9 -18.8 -4.7 0.01| 5.1 0.0 5000 221 16 179 8| 0.9 1.0 1.9| 22.1 -56.7 -34.7 -6.9 -0.11| 4.6 -0.5 6000 218 16 171 8| 0.7 0.5 1.2| 22.1 -73.1 -51.1 -8.5 -0.21| 4.4 -0.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251207.12.gif