UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 7 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 1012 23 -4.5 -6.0 89 1.5 -5.0 160 7 267.7 268.1 267.5 274.2 2.41 1 1000 117 -5.3 -8.7 77 3.4 -6.3 165 11 267.9 268.2 266.8 273.2 1.98 2 925 726 -8.3 -10.9 81 2.6 -9.0 200 13 270.8 271.1 268.5 275.8 1.80 3 850 1376 -13.7 -16.9 77 3.2 -14.4 205 15 271.8 272.0 268.1 275.2 1.20 4 756 2255 -20.5 -23.1 80 2.6 -20.9 202 17 273.7 273.8 268.7 276.0 0.79 5 719 2624 -23.1 -27.8 65 4.7 -23.7 201 18 274.8 274.9 268.9 276.4 0.54 6 700 2820 -24.1 -29.1 63 5.0 -24.7 200 19 275.8 275.9 269.5 277.3 0.49 7 618 3718 -28.3 -39.3 34 11.0 -29.2 226 20 281.0 281.0 272.1 281.6 0.20 8 500 5210 -35.9 -44.9 39 9.0 -36.4 270 23 289.3 289.3 276.5 289.7 0.14 9 496 5266 -36.3 -45.3 39 9.0 -36.8 270 23 289.4 289.5 276.6 289.9 0.13 10 400 6730 -47.1 -54.1 45 7.0 -47.3 260 17 293.8 293.8 278.6 294.0 0.06 11 324 8099 -55.9 -61.9 47 6.0 -56.0 275 21 299.9 299.9 281.3 300.0 0.03 12 300 8590 -54.7 -60.7 47 6.0 -54.8 275 27 308.2 308.3 284.7 308.4 0.04 13 250 9770 -49.1 -57.1 39 8.0 -49.4 265 17 333.1 333.1 292.6 333.3 0.07 14 200 11230 -48.9 -59.9 27 11.0 -49.3 220 33 355.3 355.3 297.8 355.6 0.06 15 150 13140 -48.5 -64.5 14 16.0 -49.1 200 9 386.5 386.5 303.3 386.7 0.04 16 100 15800 -49.5 -69.5 8 20.0 -50.4 185 31 432.1 432.1 309.1 432.3 0.03 17 76 17592 -50.7 -71.7 7 21.0 -51.7 197 25 464.9 464.9 312.2 465.0 0.03 18 70 18130 -48.3 -70.3 6 22.0 -49.7 200 23 481.1 481.1 313.5 481.3 0.04 19 59 19260 -45.3 -68.3 6 23.0 -47.5 203 30 511.9 511.9 315.8 512.3 0.07 20 53 19969 -48.9 -71.9 5 23.0 -50.6 204 34 519.5 519.5 316.3 519.8 0.04 21 50 20350 -49.5 -72.5 5 23.0 -51.2 205 36 526.8 526.8 316.8 527.1 0.04 22 44 21183 -49.7 -72.7 5 23.0 -51.5 199 35 546.0 546.0 317.9 546.3 0.05 23 43 21334 -44.5 -68.5 5 24.0 -47.5 198 35 562.3 562.4 318.8 563.0 0.09 24 30 23720 -47.5 -72.5 4 25.0 -50.6 180 31 615.1 615.2 321.3 615.7 0.07 25 29 23944 -49.7 -73.7 4 24.0 -52.3 182 31 615.1 615.1 321.3 615.5 0.06 26 22 25765 -47.7 -72.7 4 25.0 -51.5 195 31 671.6 671.6 323.5 672.4 0.09 27 20 26400 -44.3 -70.3 4 26.0 -49.5 200 31 700.6 700.6 324.5 701.9 0.15 28 16 27882 -48.5 -73.5 4 25.0 -52.9 733.0 733.1 325.5 734.1 0.11 29 12 29792 -44.5 -70.5 4 26.0 -51.4 810.1 810.2 327.5 812.5 0.24 30 10 31007 -46.7 -72.7 4 26.0 -53.4 845.2 845.3 328.3 847.4 0.21 TRP 324 8099 -55.9 -61.9 47 6.0 -56.0 275 21 299.9 299.9 281.3 300.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5093.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 59.85 % Est. max temperature: -0.58 C = 30.95 F Sfc-Lift cond lev (LCL): 988.15 mb = 210.11 m = 689.34 ft T: -5.76 C 700-500 lapse rate: 4.94 C/km ThetaE index: 0.99 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 891.31 mb = 1011.21 m = 3317.59 ft Mean mixing ratio: 1.90 g/kg Conv temperature: -0.96 C = 30.27 F Cap Strength: 6.43 C Lifted Index: 12.30 C Risk: None Lifted Index @300 mb: 23.85 C Lifted Index @700 mb: 2.72 C Showalter Index: 11.83 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 19.00 C K Index: 0.30 Risk: None Sweat Index: 191.29 Risk: None Energy Index: 2.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.59 J/kg Max Up Vert Vel: 3.63 m/s Conv Inhibition (B-): 66528.63 J/kg Cap Strength: 11.91 C Lift Cond Lev (LCL): 917.66 mb = 787.24 m = 2582.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 258 at 14 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 1012 23 160 7 -2.4 6.6 | 103 16 -15.8 3.7 1 1000 117 165 11 -2.8 10.6 | 115 18 -16.3 7.7 2 925 726 200 13 4.4 12.2 | 136 13 -9.0 9.3 3 850 1376 205 15 6.3 13.6 | 146 13 -7.1 10.7 4 700 2820 200 19 6.5 17.9 | 155 16 -7.0 15.0 5 500 5210 270 23 23.0 -0.0 | 287 10 9.5 -2.9 6 400 6730 260 17 16.7 3.0 | 269 3 3.3 0.1 7 324 8099 275 21 20.9 -1.8 | 302 9 7.5 -4.7 8 300 8590 275 27 26.9 -2.4 | 291 14 13.4 -5.2 9 250 9770 265 17 16.9 1.5 | 292 4 3.5 -1.4 10 200 11230 220 33 21.2 25.3 | 199 24 7.8 22.4 11 150 13140 200 9 3.1 8.5 | 118 12 -10.4 5.6 12 100 15800 185 31 2.7 30.9 | 159 30 -10.8 28.0 13 70 18130 200 23 7.9 21.6 | 163 20 -5.6 18.7 14 50 20350 205 36 15.2 32.6 | 183 30 1.8 29.7 15 30 23720 180 31 0.0 31.0 | 154 31 -13.5 28.1 16 20 26400 200 31 10.6 29.1 | 174 26 -2.9 26.2 Wind Parameters Mean winds (0-6000m): 227.9 at 18.3 knts Storm direction: 257.9 at 13.8 knts Shear (0-3000m) pos: 2.3 neg: 0.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 57.9 deg Storm rel helicity (0-3000m) pos: 63.1 neg: 0.0 tot: 63.1 m^2/s^2 ave: 21.0 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 28.19 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 ------------------------------------------------------------------------------- 500 175 11 120 17| 7.2 0.0 7.2| 33.2 0.0 33.2 66.4 0.83| 9.2 7.7 1000 188 12 128 15| 5.1 0.0 5.1| 43.5 0.0 43.5 43.5 0.82| 6.5 5.3 1500 194 13 134 14| 3.9 0.0 3.9| 48.8 0.0 48.8 32.5 0.83| 4.9 4.1 2000 197 14 138 14| 3.0 0.4 3.3| 51.8 0.0 51.8 25.9 0.80| 4.1 3.3 2500 198 15 141 14| 2.4 0.6 3.0| 54.6 0.0 54.6 21.9 0.78| 3.6 2.8 3000 199 15 144 14| 2.3 0.5 2.8| 63.1 0.0 63.1 21.0 0.77| 3.5 2.7 4000 206 16 152 14| 2.5 0.4 2.9| 92.2 0.0 92.2 23.0 0.79| 3.9 3.1 5000 217 18 166 12| 2.7 0.3 3.0|117.7 0.0 117.7 23.5 0.84| 4.3 3.6 6000 228 18 181 9| 2.2 0.4 2.6|122.8 -2.2 120.6 20.1 0.76| 4.1 3.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251207.00.gif