UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 29 DEC 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 45 SFC 931 650 14.0 2.0 44 12.0 7.9 200 1 293.1 293.9 284.1 306.9 4.75 2 930 660 12.6 -3.4 33 16.0 5.4 189 3 291.7 292.3 281.8 301.2 3.19 3 925 705 13.6 -2.4 33 16.0 6.1 135 15 293.2 293.8 282.8 303.4 3.46 4 914 806 15.8 -2.2 29 18.0 7.1 134 14 296.5 297.1 284.2 307.1 3.55 5 871 1213 13.4 -14.6 13 28.0 2.9 128 12 298.1 298.4 282.4 302.5 1.41 6 850 1417 11.8 -14.2 15 26.0 2.1 125 11 298.5 298.8 282.7 303.2 1.50 7 700 3000 -1.3 -19.3 24 18.0 -6.7 220 15 301.0 301.3 283.3 304.8 1.18 8 624 3902 -9.5 -22.5 34 13.0 -12.8 227 20 301.7 301.9 283.4 305.0 1.01 9 550 4867 -14.9 -25.9 39 11.0 -17.3 234 26 306.4 306.6 285.0 309.2 0.84 10 500 5580 -21.1 -30.1 44 9.0 -22.7 240 31 307.3 307.4 285.1 309.4 0.63 11 412 6981 -31.5 -37.5 55 6.0 -32.1 253 37 311.4 311.5 286.3 312.7 0.37 12 400 7190 -33.3 -39.3 55 6.0 -33.9 255 38 311.7 311.8 286.4 312.8 0.32 13 300 9140 -50.1 -57.1 43 7.0 -50.3 265 40 314.7 314.7 287.1 315.0 0.06 14 254 10201 -59.9 -67.9 34 8.0 -60.0 256 40 315.6 315.6 287.3 315.6 0.02 15 250 10300 -60.5 -68.5 34 8.0 -60.6 255 40 316.1 316.1 287.5 316.2 0.02 16 221 11060 -65.9 -73.9 32 8.0 -66.0 250 46 319.2 319.2 288.5 319.2 0.01 17 206 11488 -65.3 -72.3 37 7.0 -65.4 264 49 326.6 326.6 290.7 326.6 0.01 18 200 11670 -60.5 -67.5 39 7.0 -60.6 270 50 337.0 337.0 293.6 337.0 0.02 19 191 11957 -58.5 -66.5 35 8.0 -58.6 269 48 344.6 344.6 295.4 344.7 0.03 20 150 13470 -58.7 -66.7 35 8.0 -58.9 265 38 368.9 369.0 300.4 369.1 0.03 21 100 16010 -60.1 -72.1 19 12.0 -60.3 265 36 411.6 411.6 306.7 411.7 0.02 22 83 17185 -54.5 -68.5 16 14.0 -55.1 268 35 445.5 445.6 310.4 445.8 0.05 23 70 18260 -59.9 -76.9 9 17.0 -60.3 270 35 456.2 456.2 311.4 456.3 0.02 24 65 18721 -61.3 -80.3 6 19.0 -61.7 269 36 463.0 463.0 312.0 463.0 0.01 25 50 20350 -60.9 -90.9 1 30.0 -61.4 265 40 500.0 500.0 314.9 500.0 0.00 26 40 21745 -58.9 -88.9 1 30.0 -59.7 252 36 537.9 537.9 317.4 538.0 0.00 27 35 22579 -61.1 -91.1 1 30.0 -61.8 244 34 553.1 553.1 318.3 553.2 0.00 28 30 23550 -55.3 -86.3 1 31.0 -56.8 235 31 593.9 593.9 320.3 593.9 0.01 29 24 24965 -58.3 -88.3 1 30.0 -59.6 243 45 624.3 624.3 321.7 624.3 0.01 30 20 26140 -48.3 -82.3 1 34.0 -52.3 250 56 688.3 688.3 324.0 688.5 0.02 31 19 26479 -47.3 -81.3 1 34.0 -51.8 701.6 701.6 324.5 701.8 0.03 32 18 26837 -46.9 -80.9 1 34.0 -51.7 713.8 713.8 324.8 714.1 0.03 33 15 28028 -53.1 -85.1 1 32.0 -56.3 731.4 731.4 325.4 731.6 0.02 34 14 28474 -52.1 -84.1 1 32.0 -55.8 749.4 749.4 325.9 749.6 0.02 35 12 29488 -45.1 -80.1 1 35.0 -52.0 807.9 808.0 327.4 808.5 0.05 36 11 30067 -46.5 -80.5 1 34.0 -53.1 823.2 823.3 327.8 823.8 0.06 TRP 221 11060 -65.9 -73.9 32 8.0 -66.0 250 46 319.2 319.2 288.5 319.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5535.00 m Freezing level: 714.89 mb = 2842.91 m = 9327.01 ft Wetbulb zero: 814.78 mb = 1762.03 m = 5780.87 ft Precipitable water: 0.26 inches Sfc-500 mean rel hum: 28.21 % Est. max temperature: 20.48 C = 68.86 F Sfc-Lift cond lev (LCL): 776.47 mb = 2154.71 m = 7069.16 ft T: 5.70 C 700-500 lapse rate: 7.67 C/km ThetaE index: 5.76 C Layer 930.0- 925.0 mb Conv cond level (CCL): 553.61 mb = 4817.24 m = 15804.41 ft Mean mixing ratio: 2.22 g/kg Conv temperature: 26.81 C = 80.26 F Cap Strength: 5.59 C Lifted Index: 5.07 C Risk: None Lifted Index @300 mb: 7.71 C Lifted Index @700 mb: 3.43 C Showalter Index: 5.66 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 32.90 C Cross Totals Index: 6.90 C K Index: 0.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 1.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.81 J/kg Max Up Vert Vel: 5.80 m/s Conv Inhibition (B-): 51413.08 J/kg Cap Strength: 5.57 C Lift Cond Lev (LCL): 626.39 mb = 3871.96 m = 12703.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 16 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 ---------------------------------------------------------- 0 931 650 200 1 0.3 0.9 | 80 15 -15.1 -2.6 1 925 705 135 15 -10.6 10.6 | 105 27 -26.1 7.0 2 850 1417 125 11 -9.0 6.3 | 96 25 -24.5 2.7 3 700 3000 220 15 9.6 11.5 | 144 10 -5.8 7.9 4 500 5580 240 31 26.8 15.5 | 224 16 11.4 11.9 5 400 7190 255 38 36.7 9.8 | 254 22 21.2 6.3 6 300 9140 265 40 39.8 3.5 | 270 24 24.4 -0.1 7 250 10300 255 40 38.6 10.4 | 254 24 23.2 6.8 8 221 11060 250 46 43.2 15.7 | 246 30 27.8 12.2 9 200 11670 270 50 50.0 -0.0 | 276 35 34.5 -3.6 10 150 13470 265 38 37.9 3.3 | 271 22 22.4 -0.3 11 100 16010 265 36 35.9 3.1 | 271 20 20.4 -0.4 12 70 18260 270 35 35.0 -0.0 | 280 20 19.5 -3.6 13 50 20350 265 40 39.8 3.5 | 270 24 24.4 -0.1 14 30 23550 235 31 25.4 17.8 | 215 17 9.9 14.2 15 20 26140 250 56 52.6 19.2 | 247 40 37.2 15.6 Wind Parameters Mean winds (0-6000m): 227.0 at 21.2 knts Storm direction: 257.0 at 15.9 knts Shear (0-3000m) pos: 4.1 neg: 2.1 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 88.5 deg Storm rel helicity (0-3000m) pos: 132.2 neg: -22.8 tot: 109.4 m^2/s^2 ave: 36.5 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 87.61 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 ------------------------------------------------------------------------------- 500 133 13 102 26| 0.0 12.6 12.6| 45.1 -15.7 29.3 58.6 0.39| 17.7 6.9 1000 131 12 100 25| 1.2 6.3 7.5| 59.8 -22.8 37.0 37.0 0.37| 10.9 4.1 1500 139 12 104 24| 3.0 4.2 7.2| 91.4 -22.8 68.6 45.7 0.48| 9.5 4.6 2000 152 13 109 23| 4.0 3.1 7.1|112.9 -22.8 90.1 45.0 0.52| 9.0 4.6 2500 167 13 116 21| 4.3 2.5 6.8|123.6 -22.8 100.8 40.3 0.52| 8.5 4.4 3000 181 14 124 18| 4.1 2.1 6.2|132.2 -22.8 109.4 36.5 0.56| 7.6 4.3 4000 203 16 140 14| 4.0 1.6 5.5|151.0 -22.8 128.2 32.1 0.61| 6.6 4.0 5000 218 19 160 12| 3.9 1.3 5.1|173.9 -22.8 151.1 30.2 0.63| 6.0 3.8 6000 227 21 180 11| 3.7 1.0 4.8|203.5 -22.8 180.7 30.1 0.66| 5.6 3.7 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251229.12.gif