UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 28 APR 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 1009 27 -0.9 -2.7 88 1.8 -1.6 200 1 271.6 272.1 271.1 279.9 3.10 1 1000 98 -0.7 -3.0 84 2.3 -1.6 205 1 272.5 273.0 271.6 280.8 3.06 2 925 720 -2.1 -4.8 82 2.7 -3.1 260 5 277.2 277.6 274.1 285.2 2.89 3 850 1386 -7.3 -9.6 84 2.3 -8.0 260 7 278.5 278.9 273.8 284.6 2.17 4 757 2282 -12.1 -15.0 79 2.9 -12.9 284 9 282.7 283.0 275.2 287.3 1.57 5 711 2758 -16.5 -19.9 75 3.4 -17.2 297 11 282.9 283.1 274.7 286.3 1.11 6 701 2864 -16.7 -19.9 76 3.2 -17.4 300 11 283.9 284.1 275.2 287.2 1.12 7 700 2875 -16.7 -19.9 76 3.2 -17.4 300 11 284.0 284.2 275.3 287.4 1.12 8 643 3510 -18.9 -33.9 25 15.0 -20.9 301 11 288.5 288.5 276.5 289.6 0.34 9 595 4085 -21.7 -30.7 44 9.0 -23.0 302 11 291.7 291.8 278.3 293.3 0.50 10 518 5096 -26.7 -40.7 25 14.0 -28.0 304 11 297.5 297.5 280.6 298.2 0.21 11 500 5350 -28.9 -43.9 22 15.0 -30.1 305 11 297.8 297.8 280.6 298.3 0.16 12 400 6910 -40.7 -50.7 33 10.0 -41.1 305 17 302.1 302.1 282.4 302.4 0.09 13 300 8800 -55.3 -64.3 32 9.0 -55.4 270 19 307.4 307.4 284.4 307.5 0.02 14 282 9193 -57.3 -66.3 31 9.0 -57.4 280 17 310.0 310.0 285.4 310.1 0.02 15 250 9960 -54.1 -62.1 37 8.0 -54.2 285 17 325.6 325.6 290.5 325.8 0.04 16 200 11400 -49.3 -59.3 30 10.0 -49.7 280 17 354.7 354.7 297.7 355.0 0.06 17 150 13300 -48.7 -63.7 16 15.0 -49.3 265 17 386.2 386.2 303.2 386.4 0.05 18 100 15960 -49.5 -69.5 8 20.0 -50.4 275 19 432.1 432.1 309.1 432.3 0.03 19 70 18270 -51.7 -73.7 5 22.0 -52.7 280 11 473.8 473.8 313.0 473.9 0.03 20 60 19270 -53.3 -75.3 5 22.0 -54.3 271 13 491.6 491.6 314.4 491.7 0.02 21 53 20072 -52.5 -75.5 5 23.0 -53.7 263 14 511.2 511.2 315.7 511.3 0.03 22 50 20450 -52.3 -75.3 5 23.0 -53.6 260 15 520.2 520.2 316.3 520.4 0.03 23 47 20851 -50.9 -73.9 5 23.0 -52.5 276 14 532.9 532.9 317.1 533.1 0.04 24 31 23548 -52.9 -76.9 4 24.0 -54.8 26 6 594.8 594.8 320.4 595.1 0.04 25 30 23760 -51.7 -75.7 4 24.0 -53.8 35 5 603.7 603.7 320.8 604.0 0.04 26 20 26400 -49.9 -74.9 4 25.0 -53.3 145 7 683.4 683.5 323.9 684.1 0.07 27 11 30323 -49.7 -74.7 4 25.0 -54.8 54 9 811.6 811.7 327.5 813.0 0.14 28 10 30950 -48.1 -74.1 3 26.0 -54.2 40 9 840.0 840.1 328.2 841.7 0.17 29 9.1 31574 -46.5 -72.5 4 26.0 -53.6 869.1 869.2 328.8 871.6 0.23 TRP 282 9193 -57.3 -66.3 31 9.0 -57.4 280 17 310.0 310.0 285.4 310.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5252.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 60.26 % Est. max temperature: 5.90 C = 42.62 F Sfc-Lift cond lev (LCL): 980.86 mb = 252.15 m = 827.25 ft T: -1.05 C 700-500 lapse rate: 4.93 C/km ThetaE index: 1.04 C Layer 711.0- 701.0 mb Conv cond level (CCL): 879.88 mb = 1113.86 m = 3654.34 ft Mean mixing ratio: 2.96 g/kg Conv temperature: 5.52 C = 41.94 F Cap Strength: 12.54 C Lifted Index: 12.56 C Risk: None Lifted Index @300 mb: 17.22 C Lifted Index @700 mb: 3.67 C Showalter Index: 11.39 C Risk: None Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 19.30 C K Index: 8.80 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 2.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.18 J/kg Max Up Vert Vel: 4.93 m/s Conv Inhibition (B-): 75395.32 J/kg Cap Strength: 12.60 C Lift Cond Lev (LCL): 920.76 mb = 756.21 m = 2480.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 7 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 1009 27 200 1 0.3 0.9 | 151 8 -3.7 6.6 1 1000 98 205 1 0.4 0.9 | 151 7 -3.6 6.5 2 925 720 260 5 4.9 0.9 | 188 7 0.9 6.5 3 850 1386 260 7 6.9 1.2 | 203 7 2.9 6.8 4 700 2875 300 11 9.5 -5.5 | 269 6 5.5 0.1 5 500 5350 305 11 9.0 -6.3 | 278 5 5.0 -0.7 6 400 6910 305 17 13.9 -9.8 | 293 11 9.9 -4.1 7 300 8800 270 19 19.0 -0.0 | 249 16 15.0 5.6 8 282 9193 280 17 16.7 -3.0 | 258 13 12.7 2.7 9 250 9960 285 17 16.4 -4.4 | 264 12 12.4 1.2 10 200 11400 280 17 16.7 -3.0 | 258 13 12.7 2.7 11 150 13300 265 17 16.9 1.5 | 241 15 12.9 7.1 12 100 15960 275 19 18.9 -1.7 | 255 15 14.9 4.0 13 70 18270 280 11 10.8 -1.9 | 241 8 6.8 3.7 14 50 20450 260 15 14.8 2.6 | 233 14 10.7 8.2 15 30 23760 35 5 -2.9 -4.1 | 103 7 -6.9 1.5 16 20 26400 145 7 -4.0 5.7 | 145 14 -8.0 11.4 17 10 30950 40 9 -5.8 -6.9 | 83 10 -9.8 -1.3 Wind Parameters Mean winds (0-6000m): 294.4 at 9.2 knts Storm direction: 324.4 at 6.9 knts Shear (0-3000m) pos: 1.9 neg: 0.0 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 118.5 deg Storm rel helicity (0-3000m) pos: 24.7 neg: 0.0 tot: 24.7 m^2/s^2 ave: 8.2 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.30 Bulk Shear: 9.34 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 ------------------------------------------------------------------------------- 500 233 2 162 7| 3.2 0.0 3.2| 6.4 0.0 6.4 12.8 0.98| 3.3 3.3 1000 255 4 175 7| 2.8 0.0 2.8| 10.9 0.0 10.9 10.9 0.95| 3.1 2.9 1500 258 5 184 7| 2.4 0.0 2.4| 13.8 0.0 13.8 9.2 0.94| 2.6 2.5 2000 263 5 193 6| 2.2 0.0 2.2| 17.7 0.0 17.7 8.9 0.94| 2.6 2.4 2500 270 6 202 6| 2.1 0.0 2.1| 21.7 0.0 21.7 8.7 0.95| 2.6 2.4 3000 278 7 212 5| 1.9 0.0 1.9| 24.7 0.0 24.7 8.2 0.95| 2.5 2.4 4000 286 8 227 5| 1.4 0.0 1.4| 25.2 0.0 25.2 6.3 0.95| 1.9 1.8 5000 291 9 238 5| 1.2 0.0 1.2| 25.6 0.0 25.6 5.1 0.95| 1.6 1.5 6000 294 9 247 5| 1.0 0.2 1.2| 27.4 0.0 27.4 4.6 0.87| 1.5 1.3 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20250428.12.gif