UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 6 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 ------------------------------------------------------------------------------- 0 1000 -22 210 7 SFC 991 44 -25.1 -28.1 76 3.0 -25.4 210 7 248.7 248.7 248.4 249.7 0.38 2 959 284 -22.3 -25.8 73 3.5 -22.7 203 11 253.9 253.9 253.1 255.2 0.49 3 932 494 -22.1 -25.7 73 3.6 -22.5 197 14 256.2 256.2 255.1 257.6 0.51 4 925 550 -20.9 -24.5 73 3.6 -21.4 195 15 257.9 258.0 256.7 259.5 0.57 5 911 663 -18.3 -22.0 73 3.7 -18.8 192 17 261.7 261.9 260.0 263.7 0.72 6 896 787 -17.9 -21.2 75 3.3 -18.4 189 20 263.4 263.5 261.5 265.6 0.78 7 873 984 -11.7 -14.4 80 2.7 -12.3 185 23 271.8 272.0 268.5 275.8 1.43 8 850 1188 -11.3 -15.3 72 4.0 -12.3 180 27 274.3 274.5 270.0 278.2 1.37 9 838 1297 -11.1 -16.1 67 5.0 -12.3 180 28 275.6 275.9 270.8 279.4 1.30 10 700 2656 -19.1 -25.1 59 6.0 -20.1 185 40 281.3 281.5 273.2 283.5 0.71 11 678 2893 -20.7 -26.7 59 6.0 -21.6 183 40 282.1 282.2 273.5 284.1 0.63 12 570 4165 -26.1 -32.1 57 6.0 -26.8 173 39 290.1 290.2 277.4 291.6 0.45 13 516 4878 -32.3 -39.3 50 7.0 -32.9 167 38 291.0 291.1 277.6 291.8 0.24 14 500 5100 -33.7 -39.7 55 6.0 -34.1 165 38 292.0 292.0 278.0 292.8 0.24 15 473 5484 -35.3 -42.3 49 7.0 -35.8 171 33 294.6 294.7 279.2 295.3 0.20 16 400 6620 -44.3 -50.3 51 6.0 -44.5 190 19 297.4 297.4 280.3 297.8 0.10 17 384 6893 -46.9 -52.9 50 6.0 -47.1 186 22 297.5 297.5 280.3 297.8 0.07 18 358 7357 -49.9 -54.9 56 5.0 -50.0 179 28 299.5 299.5 281.2 299.7 0.06 19 344 7619 -49.5 -54.5 56 5.0 -49.6 175 31 303.5 303.5 282.9 303.7 0.07 20 325 7990 -52.7 -58.7 48 6.0 -52.8 170 35 304.0 304.0 283.1 304.2 0.04 21 300 8510 -51.7 -57.7 49 6.0 -51.8 175 50 312.5 312.5 286.3 312.7 0.05 22 250 9700 -50.5 -57.5 43 7.0 -50.7 175 50 331.0 331.0 292.0 331.2 0.06 23 227 10327 -49.5 -57.5 39 8.0 -49.8 175 51 341.8 341.8 294.8 342.1 0.07 24 200 11150 -50.3 -59.3 34 9.0 -50.6 175 52 353.1 353.1 297.4 353.4 0.06 25 150 13020 -51.5 -64.5 20 13.0 -52.0 180 50 381.3 381.3 302.5 381.5 0.04 26 100 15640 -53.1 -69.1 13 16.0 -53.7 185 52 425.1 425.1 308.3 425.3 0.03 27 91 16245 -53.9 -69.9 12 16.0 -54.5 186 51 435.2 435.2 309.4 435.3 0.03 28 78 17225 -57.5 -74.5 10 17.0 -58.0 188 51 447.3 447.3 310.6 447.4 0.02 29 70 17910 -55.9 -72.9 10 17.0 -56.5 190 50 464.8 464.8 312.2 465.0 0.03 30 67 18188 -55.1 -73.1 9 18.0 -55.8 190 50 472.4 472.4 312.8 472.6 0.03 31 57 19208 -58.9 -76.9 8 18.0 -59.5 190 51 486.1 486.1 314.0 486.2 0.02 32 50 20030 -57.7 -75.7 8 18.0 -58.4 190 52 507.5 507.5 315.5 507.7 0.03 33 48 20288 -57.3 -75.3 8 18.0 -58.0 514.4 514.4 315.9 514.6 0.03 34 31 23023 -61.9 -80.9 6 19.0 -62.6 570.5 570.5 319.2 570.6 0.02 TRP 325 7990 -52.7 -58.7 48 6.0 -52.8 170 35 304.0 304.0 283.1 304.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5122.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 62.30 % Est. max temperature: 1.44 C = 34.59 F Sfc-Lift cond lev (LCL): 942.53 mb = 411.65 m = 1350.54 ft T: -22.18 C 700-500 lapse rate: 5.97 C/km Conv cond level (CCL): 991.00 mb = 43.81 m = 143.72 ft Mean mixing ratio: 0.56 g/kg Conv temperature: -23.90 C = -11.02 F Cap Strength: 27.55 C Lifted Index: 27.98 C Risk: None Lifted Index @300 mb: 38.69 C Lifted Index @700 mb: 21.57 C Showalter Index: 11.63 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 18.40 C K Index: 1.10 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 3.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.69 J/kg Max Up Vert Vel: 10.83 m/s Conv Inhibition (B-): 56276.75 J/kg Cap Strength: 27.93 C Lift Cond Lev (LCL): 891.37 mb = 826.15 m = 2710.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 208 at 24 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 ---------------------------------------------------------- 0 991 44 210 7 3.5 6.1 | 27 17 -7.9 -15.4 1 925 550 195 15 3.9 14.5 | 47 10 -7.5 -6.9 2 850 1188 180 27 0.0 27.0 | 116 13 -11.4 5.6 3 700 2656 185 40 3.5 39.8 | 157 20 -7.9 18.4 4 500 5100 165 38 -9.8 36.7 | 126 26 -21.2 15.3 5 400 6620 190 19 3.3 18.7 | 71 9 -8.1 -2.7 6 325 7990 170 35 -6.1 34.5 | 127 22 -17.4 13.0 7 300 8510 175 50 -4.4 49.8 | 151 32 -15.7 28.4 8 250 9700 175 50 -4.4 49.8 | 151 32 -15.7 28.4 9 200 11150 175 52 -4.5 51.8 | 152 34 -15.9 30.4 10 150 13020 180 50 0.0 50.0 | 158 31 -11.4 28.6 11 100 15640 185 52 4.5 51.8 | 167 31 -6.8 30.4 12 70 17910 190 50 8.7 49.2 | 175 28 -2.7 27.8 13 50 20030 190 52 9.0 51.2 | 176 30 -2.3 29.8 Wind Parameters Mean winds (0-6000m): 177.9 at 32.3 knts Storm direction: 207.9 at 24.3 knts Shear (0-3000m) pos: 1.6 neg: 4.3 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 124.0 deg Storm rel helicity (0-3000m) pos: 87.4 neg: -10.8 tot: 76.6 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.87 Bulk Shear: 67.35 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 ------------------------------------------------------------------------------- 500 200 11 34 14| 0.0 8.6 8.6| 14.2 0.0 14.2 28.4 0.50| 8.7 4.4 1000 192 15 51 10| 0.0 9.4 9.4| 36.6 0.0 36.6 36.6 0.73| 9.6 7.0 1500 187 19 75 9| 0.0 8.3 8.3| 53.1 0.0 53.1 35.4 0.75| 8.5 6.4 2000 185 22 95 9| 1.2 6.2 7.4| 68.2 0.0 68.2 34.1 0.76| 7.6 5.8 2500 185 25 113 10| 1.9 5.0 6.9| 84.1 0.0 84.1 33.6 0.76| 7.0 5.3 3000 185 28 124 11| 1.6 4.3 5.9| 87.4 -10.8 76.6 25.5 0.66| 6.4 4.2 4000 182 31 132 14| 1.2 3.3 4.5| 87.4 -40.6 46.7 11.7 0.45| 5.5 2.5 5000 179 32 133 16| 0.9 2.8 3.7| 87.4 -72.1 15.2 3.0 0.30| 5.0 1.5 6000 178 32 131 17| 1.1 2.3 3.4| 87.4 -88.0 -0.6 -0.1 0.17| 5.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251206.12.gif