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 X2477... Searching the city database file for: X2477 ... Date:1200Z 6 DEC 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 1006 23 -6.9 -9.5 82 2.6 -7.7 60 1 265.8 266.1 265.2 270.8 1.85 1 1000 70 -6.1 -10.8 69 4.7 -7.4 95 5 267.0 267.3 265.7 271.6 1.67 2 944 522 -5.9 -13.9 53 8.0 -8.0 147 18 271.7 271.9 268.4 275.6 1.38 3 925 681 -7.3 -15.3 53 8.0 -9.3 165 23 271.8 272.1 268.2 275.4 1.26 4 850 1333 -12.3 -17.0 68 4.7 -13.3 170 21 273.3 273.5 269.1 276.6 1.19 5 700 2783 -24.1 -28.3 68 4.2 -24.6 165 21 275.8 275.9 269.5 277.4 0.53 6 614 3722 -31.9 -35.4 71 3.5 -32.2 183 17 277.4 277.4 270.1 278.3 0.31 7 578 4145 -35.7 -39.5 68 3.8 -36.0 191 15 277.8 277.8 270.2 278.4 0.21 8 500 5140 -41.1 -47.1 52 6.0 -41.3 210 11 282.9 282.9 273.1 283.3 0.11 9 400 6630 -49.5 -57.5 39 8.0 -49.7 235 17 290.7 290.7 277.0 290.8 0.04 10 395 6712 -49.7 -57.7 39 8.0 -49.8 234 18 291.4 291.5 277.4 291.6 0.04 11 364 7244 -52.1 -61.1 33 9.0 -52.2 225 21 295.1 295.1 279.2 295.2 0.03 12 300 8500 -50.9 -59.9 34 9.0 -51.1 215 23 313.6 313.6 286.6 313.8 0.04 13 250 9700 -48.7 -59.7 27 11.0 -49.0 230 17 333.7 333.7 292.7 333.9 0.05 14 200 11170 -47.9 -62.9 16 15.0 -48.4 210 19 356.9 356.9 298.1 357.1 0.04 15 190 11508 -46.9 -62.9 14 16.0 -47.5 213 20 363.8 363.8 299.5 364.0 0.04 16 150 13070 -47.3 -65.3 11 18.0 -48.1 225 25 388.6 388.6 303.6 388.7 0.04 17 100 15760 -47.7 -68.7 7 21.0 -48.8 210 27 435.6 435.6 309.4 435.8 0.04 18 75 17640 -51.3 -73.3 6 22.0 -52.3 206 30 465.4 465.4 312.3 465.5 0.03 19 70 18090 -49.3 -71.3 6 22.0 -50.6 205 31 478.9 478.9 313.4 479.1 0.04 20 61 19002 -45.7 -68.7 6 23.0 -47.7 201 31 506.2 506.2 315.4 506.5 0.06 21 50 20320 -48.9 -71.9 5 23.0 -50.7 195 31 528.2 528.2 316.8 528.5 0.05 22 50 20320 -49.1 -72.1 5 23.0 -50.9 195 31 527.8 527.8 316.8 528.1 0.05 23 48 20589 -46.3 -70.3 5 24.0 -48.7 194 31 540.6 540.7 317.6 541.0 0.06 24 41 21628 -49.3 -73.3 4 24.0 -51.4 189 33 558.1 558.1 318.6 558.4 0.05 25 32 23258 -47.5 -71.5 5 24.0 -50.4 182 34 603.9 603.9 320.8 604.5 0.08 26 30 23680 -51.5 -74.5 5 23.0 -53.7 180 35 604.2 604.3 320.8 604.6 0.05 27 28 24126 -53.5 -76.5 4 23.0 -55.4 182 34 610.7 610.7 321.1 611.0 0.04 28 20 26310 -49.5 -73.5 4 24.0 -53.0 190 31 684.7 684.7 324.0 685.4 0.09 29 19 26646 -50.1 -74.1 4 24.0 -53.5 692.9 693.0 324.2 693.7 0.09 30 15 28202 -46.5 -71.5 4 25.0 -51.8 753.3 753.4 326.1 754.9 0.16 31 12 29679 -48.1 -73.1 4 25.0 -53.5 797.3 797.4 327.2 798.9 0.16 32 10 30889 -44.9 -70.9 4 26.0 -52.3 851.9 852.1 328.5 854.8 0.27 TRP 364 7244 -52.1 -61.1 33 9.0 -52.2 225 21 295.1 295.1 279.2 295.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5070.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 64.97 % Est. max temperature: 0.46 C = 32.84 F Sfc-Lift cond lev (LCL): 965.17 mb = 348.03 m = 1141.82 ft T: -5.98 C 700-500 lapse rate: 7.21 C/km ThetaE index: 0.18 C Layer 925.0- 850.0 mb Conv cond level (CCL): 810.01 mb = 1692.89 m = 5554.05 ft Mean mixing ratio: 1.44 g/kg Conv temperature: 1.26 C = 34.27 F Cap Strength: 3.60 C Lifted Index: 7.40 C Risk: None Lifted Index @300 mb: 27.95 C Lifted Index @700 mb: 3.01 C Showalter Index: 5.46 C Risk: None Total Totals Index: 52.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 24.10 C K Index: 7.60 Risk: None Sweat Index: 131.00 Risk: None Energy Index: 1.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.33 J/kg Max Up Vert Vel: 6.38 m/s Conv Inhibition (B-): 65754.85 J/kg Cap Strength: 6.98 C Lift Cond Lev (LCL): 857.91 mb = 1261.56 m = 4138.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 207 at 13 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 1006 23 60 1 -0.9 -0.5 | 29 14 -6.6 -11.9 1 1000 70 95 5 -5.0 0.4 | 44 15 -10.7 -11.0 2 925 681 165 23 -6.0 22.2 | 133 16 -11.7 10.8 3 850 1333 170 21 -3.6 20.7 | 135 13 -9.4 9.3 4 700 2783 165 21 -5.4 20.3 | 128 14 -11.2 8.9 5 500 5140 210 11 5.5 9.5 | 8 2 -0.3 -1.9 6 400 6630 235 17 13.9 9.8 | 281 8 8.2 -1.6 7 364 7244 225 21 14.8 14.8 | 249 10 9.1 3.5 8 300 8500 215 23 13.2 18.8 | 225 11 7.4 7.4 9 250 9700 230 17 13.0 10.9 | 274 7 7.3 -0.5 10 200 11170 210 19 9.5 16.5 | 217 6 3.7 5.1 11 150 13070 225 25 17.7 17.7 | 242 13 11.9 6.3 12 100 15760 210 27 13.5 23.4 | 213 14 7.7 12.0 13 70 18090 205 31 13.1 28.1 | 204 18 7.3 16.7 14 50 20320 195 31 8.0 29.9 | 187 19 2.3 18.6 15 30 23680 180 35 0.0 35.0 | 166 24 -5.8 23.6 16 20 26310 190 31 5.4 30.5 | 179 19 -0.4 19.1 Wind Parameters Mean winds (0-6000m): 176.8 at 17.0 knts Storm direction: 206.8 at 12.8 knts Shear (0-3000m) pos: 3.5 neg: 0.2 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 102.3 deg Storm rel helicity (0-3000m) pos: 124.9 neg: -5.1 tot: 119.8 m^2/s^2 ave: 39.9 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.18 Bulk Shear: 17.24 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 ------------------------------------------------------------------------------- 500 135 11 75 14| 18.9 0.0 18.9| 87.4 0.0 87.4 174.7 0.98| 22.1 21.5 1000 160 16 109 12| 11.5 0.0 11.5|122.0 0.0 122.0 122.0 0.95| 15.8 15.0 1500 164 18 119 12| 7.3 0.0 7.3|122.7 -0.7 122.1 81.4 0.91| 11.1 10.0 2000 165 19 122 13| 5.5 0.2 5.7|122.7 -2.5 120.2 60.1 0.87| 8.5 7.4 2500 165 19 124 13| 4.4 0.3 4.7|122.7 -4.4 118.3 47.3 0.84| 6.9 5.8 3000 166 20 125 13| 3.5 0.2 3.7|124.9 -5.1 119.8 39.9 0.80| 6.1 4.9 4000 168 19 127 12| 2.2 0.2 2.3|128.9 -5.1 123.8 30.9 0.70| 5.5 3.9 5000 171 18 127 11| 1.4 0.1 1.5|128.9 -5.9 123.0 24.6 0.57| 5.1 2.9 6000 177 17 130 9| 1.4 0.1 1.5|128.9 -7.9 121.0 20.2 0.45| 4.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251206.12.gif