UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 2 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 1022 43 -33.5 -37.4 68 3.9 -33.7 220 5 238.2 238.2 238.1 238.6 0.15 1 1019 64 -24.3 -27.7 73 3.4 -24.6 217 6 247.5 247.6 247.3 248.5 0.38 2 1000 200 -21.7 -24.8 76 3.1 -22.1 195 11 251.4 251.5 251.1 252.8 0.51 3 992 259 -20.5 -23.7 75 3.2 -20.9 196 11 253.2 253.3 252.8 254.8 0.57 4 925 776 -20.7 -24.1 74 3.4 -21.1 200 11 258.1 258.2 256.9 259.8 0.59 5 899 987 -21.5 -24.8 75 3.3 -21.9 203 14 259.4 259.5 257.9 261.0 0.57 6 870 1230 -20.1 -23.5 74 3.4 -20.6 207 17 263.3 263.4 261.1 265.2 0.66 7 850 1402 -21.5 -24.7 75 3.2 -22.0 210 19 263.6 263.7 261.2 265.3 0.61 8 805 1799 -25.1 -28.3 75 3.2 -25.5 217 20 263.9 264.0 261.2 265.3 0.46 9 793 1909 -22.5 -25.6 76 3.1 -22.9 219 20 267.8 267.9 264.3 269.6 0.60 10 712 2696 -23.9 -34.9 36 11.0 -25.0 233 21 274.7 274.7 268.4 275.5 0.28 11 703 2789 -24.5 -36.5 32 12.0 -25.6 234 21 275.0 275.1 268.5 275.8 0.24 12 700 2820 -24.7 -37.7 29 13.0 -25.9 235 21 275.1 275.2 268.5 275.8 0.21 13 553 4502 -34.1 -48.1 23 14.0 -34.8 231 32 283.2 283.2 273.2 283.5 0.09 14 500 5200 -38.9 -50.9 27 12.0 -39.4 230 36 285.6 285.6 274.5 285.9 0.07 15 400 6700 -49.1 -59.1 30 10.0 -49.3 235 44 291.2 291.2 277.3 291.3 0.03 16 336 7821 -57.5 -66.5 31 9.0 -57.6 232 43 294.6 294.6 278.9 294.6 0.01 17 300 8530 -61.3 -70.3 29 9.0 -61.4 230 42 298.9 298.9 280.9 299.0 0.01 18 282 8914 -62.5 -71.5 29 9.0 -62.6 225 38 302.5 302.5 282.4 302.6 0.01 19 250 9660 -61.9 -70.9 29 9.0 -62.0 225 36 314.0 314.0 286.8 314.1 0.01 20 200 11050 -57.9 -66.9 31 9.0 -58.0 220 35 341.1 341.1 294.6 341.2 0.02 21 150 12870 -56.7 -66.7 27 10.0 -56.9 195 31 372.4 372.4 301.0 372.5 0.03 22 133 13637 -54.5 -64.5 28 10.0 -54.8 195 30 389.3 389.4 303.7 389.6 0.05 23 100 15450 -57.9 -68.9 23 11.0 -58.2 195 27 415.9 415.9 307.3 416.0 0.04 24 89 16184 -58.1 -69.1 23 11.0 -58.4 429.6 429.6 308.8 429.8 0.04 TRP 282 8914 -62.5 -71.5 29 9.0 -62.6 225 38 302.5 302.5 282.4 302.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5000.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 47.77 % Est. max temperature: -8.45 C = 16.79 F Sfc-Lift cond lev (LCL): 955.91 mb = 533.12 m = 1749.06 ft T: -20.61 C 700-500 lapse rate: 5.97 C/km ThetaE index: 0.09 C Layer 805.0- 793.0 mb Conv cond level (CCL): 1019.00 mb = 64.19 m = 210.58 ft Mean mixing ratio: 0.54 g/kg Conv temperature: -23.71 C = -10.67 F Cap Strength: 23.48 C Lifted Index: 24.77 C Risk: None Lifted Index @300 mb: 30.79 C Lifted Index @700 mb: 18.05 C Showalter Index: 16.74 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 17.40 C Cross Totals Index: 14.20 C K Index: -20.30 Risk: None Sweat Index: 141.75 Risk: None Energy Index: 4.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.32 J/kg Max Up Vert Vel: 8.64 m/s Conv Inhibition (B-): 28047.84 J/kg Cap Strength: 24.71 C Lift Cond Lev (LCL): 921.20 mb = 806.47 m = 2645.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 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 1022 43 220 5 3.2 3.8 | 89 15 -14.6 -0.3 1 1000 200 195 11 2.8 10.6 | 113 16 -15.0 6.5 2 925 776 200 11 3.8 10.3 | 114 15 -14.0 6.2 3 850 1402 210 19 9.5 16.5 | 146 15 -8.3 12.3 4 700 2820 235 21 17.2 12.0 | 176 8 -0.6 7.9 5 500 5200 230 36 27.6 23.1 | 207 21 9.8 19.0 6 400 6700 235 44 36.0 25.2 | 221 28 18.2 21.1 7 300 8530 230 42 32.2 27.0 | 212 27 14.4 22.9 8 282 8914 225 38 26.9 26.9 | 202 24 9.1 22.7 9 250 9660 225 36 25.5 25.5 | 200 23 7.6 21.3 10 200 11050 220 35 22.5 26.8 | 192 23 4.7 22.7 11 150 12870 195 31 8.0 29.9 | 159 28 -9.8 25.8 12 100 15450 195 27 7.0 26.1 | 154 24 -10.8 21.9 Wind Parameters Mean winds (0-6000m): 226.9 at 24.4 knts Storm direction: 256.9 at 18.3 knts Shear (0-3000m) pos: 2.6 neg: 1.1 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 94.1 deg Storm rel helicity (0-3000m) pos: 78.1 neg: 0.0 tot: 78.1 m^2/s^2 ave: 26.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.06 Bulk Shear: 35.25 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 ------------------------------------------------------------------------------- 500 198 10 110 16| 0.0 6.8 6.8| 25.4 0.0 25.4 50.9 0.88| 7.6 6.7 1000 200 11 114 15| 1.9 3.4 5.3| 39.6 0.0 39.6 39.6 0.89| 5.8 5.2 1500 204 13 122 15| 3.1 2.3 5.4| 60.8 0.0 60.8 40.5 0.91| 5.8 5.3 2000 208 15 129 14| 2.8 1.7 4.5| 67.4 0.0 67.4 33.7 0.87| 5.2 4.5 2500 213 16 135 13| 2.6 1.4 4.0| 73.0 0.0 73.0 29.2 0.83| 4.8 4.0 3000 217 17 140 12| 2.6 1.1 3.7| 78.1 0.0 78.1 26.0 0.82| 4.5 3.7 4000 223 19 153 11| 1.9 1.6 3.5| 88.0 0.0 88.0 22.0 0.76| 4.2 3.2 5000 225 22 167 11| 1.6 1.9 3.4| 96.3 0.0 96.3 19.3 0.69| 4.0 2.8 6000 227 24 180 13| 1.8 1.6 3.3|117.6 0.0 117.6 19.6 0.67| 3.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251202.12.gif