UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 11 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 1005 25 -11.7 -12.8 92 1.1 -11.9 110 1 261.1 261.3 260.9 264.9 1.42 1 1000 63 -10.7 -12.1 89 1.4 -11.1 115 3 262.5 262.7 262.1 266.5 1.51 2 987 164 -7.5 -9.8 84 2.3 -8.1 119 3 266.6 266.9 265.8 271.6 1.84 3 925 666 -10.1 -13.8 74 3.7 -11.0 140 5 269.0 269.2 266.6 272.9 1.42 4 887 988 -12.1 -16.1 72 4.0 -13.0 180 5 270.2 270.4 267.1 273.6 1.23 5 850 1312 -14.7 -18.9 70 4.2 -15.5 220 5 270.7 270.9 267.1 273.6 1.01 6 735 2394 -22.9 -27.9 64 5.0 -23.5 220 18 273.3 273.4 267.9 274.8 0.52 7 700 2749 -26.1 -32.1 57 6.0 -26.7 220 23 273.6 273.6 267.8 274.7 0.37 8 606 3770 -35.3 -42.3 49 7.0 -35.7 211 18 274.5 274.5 268.0 275.0 0.15 9 500 5080 -44.7 -51.7 45 7.0 -44.9 200 11 278.5 278.5 270.4 278.8 0.06 10 492 5188 -45.3 -52.3 45 7.0 -45.5 200 13 279.1 279.1 270.7 279.3 0.06 11 400 6560 -49.9 -57.9 38 8.0 -50.1 200 38 290.1 290.1 276.8 290.3 0.04 12 346 7506 -52.1 -60.1 38 8.0 -52.2 200 42 299.4 299.4 281.1 299.6 0.03 13 300 8440 -48.3 -58.3 31 10.0 -48.6 195 52 317.3 317.3 287.9 317.5 0.05 14 292 8617 -47.3 -57.3 31 10.0 -47.6 195 52 321.2 321.2 289.2 321.4 0.06 15 250 9640 -46.7 -58.7 24 12.0 -47.1 195 50 336.6 336.6 293.6 336.9 0.06 16 200 11120 -45.5 -59.5 19 14.0 -46.2 195 52 360.7 360.7 298.9 361.0 0.06 17 150 13040 -45.5 -63.5 11 18.0 -46.4 205 46 391.7 391.7 304.0 391.9 0.05 18 134 13790 -45.7 -64.7 10 19.0 -46.7 198 46 404.1 404.2 305.8 404.4 0.05 19 100 15730 -47.3 -69.3 6 22.0 -48.4 180 46 436.3 436.3 309.5 436.5 0.03 20 92 16287 -44.3 -66.3 7 22.0 -45.9 185 46 452.8 452.8 311.1 453.1 0.06 21 70 18110 -47.3 -70.3 5 23.0 -48.9 200 44 483.2 483.2 313.7 483.4 0.04 22 67 18397 -47.9 -70.9 5 23.0 -49.4 201 44 488.0 488.0 314.1 488.2 0.04 23 59 19234 -46.1 -70.1 5 24.0 -48.1 203 45 510.1 510.1 315.7 510.4 0.05 24 50 20320 -49.3 -73.3 4 24.0 -51.1 205 46 527.3 527.3 316.8 527.5 0.04 25 30 23650 -54.5 -78.5 4 24.0 -56.1 205 36 596.1 596.1 320.5 596.3 0.03 26 29 23867 -54.5 -78.5 4 24.0 -56.2 204 36 601.9 601.9 320.7 602.1 0.03 27 27 24323 -55.5 -79.5 3 24.0 -57.1 201 36 611.5 611.5 321.1 611.7 0.03 28 23 25359 -49.3 -74.3 4 25.0 -52.5 195 36 658.4 658.4 323.0 659.0 0.07 29 20 26270 -51.9 -76.9 3 25.0 -54.8 190 36 677.3 677.3 323.7 677.8 0.05 30 19 26602 -52.1 -77.1 3 25.0 -55.0 686.7 686.7 324.0 687.2 0.06 31 18 26956 -47.5 -73.5 3 26.0 -52.0 711.9 712.0 324.8 712.8 0.10 32 16 27728 -51.5 -76.5 3 25.0 -55.0 723.3 723.3 325.2 723.9 0.07 33 14 28605 -46.3 -72.3 4 26.0 -52.0 769.0 769.1 326.5 770.5 0.16 TRP 346 7506 -52.1 -60.1 38 8.0 -52.2 200 42 299.4 299.4 281.1 299.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5017.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 60.40 % Est. max temperature: -2.10 C = 28.23 F Sfc-Lift cond lev (LCL): 987.19 mb = 162.59 m = 533.42 ft T: -7.55 C 700-500 lapse rate: 7.98 C/km ThetaE index: 0.14 C Layer 700.0- 606.0 mb Conv cond level (CCL): 869.08 mb = 1143.16 m = 3750.49 ft Mean mixing ratio: 1.57 g/kg Conv temperature: -2.32 C = 27.83 F Cap Strength: 3.10 C Lifted Index: 5.79 C Risk: None Lifted Index @300 mb: 32.31 C Lifted Index @700 mb: 3.00 C Showalter Index: 4.26 C Risk: None Total Totals Index: 55.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.00 C Cross Totals Index: 25.80 C K Index: 5.10 Risk: None Sweat Index: 157.00 Risk: None Energy Index: 1.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.90 J/kg Max Up Vert Vel: 6.15 m/s Conv Inhibition (B-): 62987.18 J/kg Cap Strength: 5.75 C Lift Cond Lev (LCL): 910.77 mb = 784.99 m = 2575.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 239 at 11 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 1005 25 110 1 -0.9 0.3 | 63 11 -10.1 -5.1 1 1000 63 115 3 -2.7 1.3 | 71 13 -11.9 -4.2 2 925 666 140 5 -3.2 3.8 | 83 12 -12.4 -1.6 3 850 1312 220 5 3.2 3.8 | 75 6 -6.0 -1.6 4 700 2749 220 23 14.8 17.6 | 205 13 5.6 12.2 5 500 5080 200 11 3.8 10.3 | 132 7 -5.4 4.9 6 400 6560 200 38 13.0 35.7 | 187 31 3.8 30.3 7 346 7506 200 42 14.4 39.5 | 189 34 5.2 34.0 8 300 8440 195 52 13.5 50.2 | 185 45 4.3 44.8 9 250 9640 195 50 12.9 48.3 | 185 43 3.8 42.9 10 200 11120 195 52 13.5 50.2 | 185 45 4.3 44.8 11 150 13040 205 46 19.4 41.7 | 196 38 10.3 36.3 12 100 15730 180 46 0.0 46.0 | 167 42 -9.2 40.6 13 70 18110 200 44 15.0 41.3 | 189 36 5.9 35.9 14 50 20320 205 46 19.4 41.7 | 196 38 10.3 36.3 15 30 23650 205 36 15.2 32.6 | 193 28 6.0 27.2 16 20 26270 190 36 6.3 35.5 | 174 30 -2.9 30.0 Wind Parameters Mean winds (0-6000m): 209.4 at 14.2 knts Storm direction: 239.4 at 10.7 knts Shear (0-3000m) pos: 1.4 neg: 2.4 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 135.6 deg Storm rel helicity (0-3000m) pos: 32.8 neg: -6.7 tot: 26.1 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.70 Bulk Shear: 26.90 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 ------------------------------------------------------------------------------- 500 126 4 75 13| 3.7 0.0 3.7| 11.4 0.0 11.4 22.8 0.89| 4.1 3.6 1000 143 4 80 12| 2.5 0.0 2.5| 16.4 -0.0 16.3 16.3 0.60| 4.3 2.6 1500 169 5 85 10| 2.8 0.0 2.8| 18.7 -2.6 16.1 10.7 0.39| 4.8 1.9 2000 195 6 94 8| 2.1 1.6 3.7| 24.6 -2.6 21.9 11.0 0.54| 5.2 2.9 2500 207 8 111 6| 1.7 2.6 4.2| 30.5 -2.6 27.8 11.1 0.53| 5.5 2.9 3000 212 11 136 5| 1.4 2.4 3.8| 32.8 -6.7 26.1 8.7 0.44| 5.3 2.3 4000 213 13 157 6| 1.0 1.2 2.2| 32.8 -20.3 12.5 3.1 0.24| 4.7 1.1 5000 212 13 160 6| 0.8 0.5 1.3| 32.8 -31.4 1.4 0.3 0.08| 4.3 0.4 6000 209 14 162 7| 0.7 1.8 2.5| 63.1 -31.4 31.7 5.3 0.22| 5.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251211.00.gif