UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122400.upa.cvt Date: 0000Z 24 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 24 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 224 SFC 948 649 -1.1 -3.3 85 2.2 -1.9 300 1 276.2 276.8 274.0 284.9 3.16 2 944 683 2.0 -3.0 69 5.0 -0.0 274 2 279.7 280.3 276.0 288.8 3.24 3 935 760 5.2 -2.8 56 8.0 1.8 216 5 283.8 284.3 278.2 293.2 3.32 4 925 848 6.6 -5.4 42 12.0 1.7 150 9 286.1 286.5 278.6 294.0 2.76 5 924 857 6.6 -5.4 42 12.0 1.7 151 9 286.1 286.6 278.7 294.1 2.76 6 871 1339 3.2 -10.8 35 14.0 -1.7 228 13 287.5 287.8 278.2 293.2 1.92 7 850 1536 1.8 -10.2 41 12.0 -2.5 260 15 288.0 288.4 278.7 294.1 2.07 8 776 2262 -4.1 -8.1 74 4.0 -5.5 244 14 289.3 289.8 280.1 297.1 2.67 9 768 2344 -3.7 -8.3 70 4.6 -5.4 242 14 290.6 291.0 280.7 298.4 2.66 10 702 3046 -9.3 -16.3 57 7.0 -11.3 226 13 291.9 292.2 279.8 296.6 1.52 11 700 3068 -8.9 -15.9 57 7.0 -10.9 225 13 292.6 292.9 280.2 297.5 1.58 12 694 3135 -8.9 -17.9 48 9.0 -11.3 226 13 293.4 293.6 280.2 297.5 1.35 13 599 4257 -16.7 -30.7 29 14.0 -19.1 244 19 296.9 297.0 280.7 298.6 0.49 14 564 4706 -20.3 -25.3 64 5.0 -21.2 251 22 297.8 298.0 281.6 300.6 0.87 15 560 4759 -20.3 -24.0 72 3.7 -21.0 252 22 298.5 298.6 282.0 301.6 0.98 16 504 5532 -25.1 -25.2 99 0.1 -25.1 264 27 301.7 301.9 283.4 304.9 0.98 17 500 5590 -25.7 -25.9 98 0.2 -25.7 265 27 301.7 301.9 283.3 304.7 0.93 18 400 7170 -38.5 -40.5 81 2.0 -38.7 255 27 305.0 305.0 283.8 305.9 0.28 19 363 7826 -43.5 -46.1 75 2.6 -43.6 248 28 306.9 306.9 284.4 307.5 0.17 20 300 9080 -51.5 -55.7 61 4.2 -51.6 235 31 312.8 312.8 286.4 313.0 0.07 21 254 10149 -57.5 -62.5 53 5.0 -57.6 255 27 319.1 319.1 288.5 319.3 0.03 22 250 10250 -57.3 -62.3 53 5.0 -57.4 255 29 320.9 320.9 289.0 321.0 0.04 23 200 11660 -58.7 -63.7 52 5.0 -58.8 280 44 339.8 339.8 294.3 340.0 0.04 24 151 13438 -56.7 -62.7 47 6.0 -56.9 270 36 371.7 371.7 300.9 371.9 0.06 25 150 13480 -56.9 -62.9 47 6.0 -57.1 270 36 372.0 372.1 300.9 372.3 0.05 26 100 16020 -60.1 -68.1 34 8.0 -60.3 260 33 411.6 411.6 306.7 411.8 0.04 27 70 18250 -60.3 -71.3 22 11.0 -60.6 280 38 455.4 455.4 311.4 455.6 0.04 28 62 19007 -59.7 -71.7 20 12.0 -60.1 276 38 472.8 472.8 312.9 473.0 0.04 29 54 19864 -63.1 -77.1 13 14.0 -63.4 272 38 484.0 484.0 313.8 484.1 0.02 30 50 20340 -60.7 -75.7 12 15.0 -61.2 270 38 500.4 500.4 315.0 500.6 0.03 31 34 22740 -58.7 -88.7 1 30.0 -59.6 262 38 564.1 564.1 318.9 564.1 0.00 32 30 23520 -60.7 -90.7 1 30.0 -61.6 260 38 579.2 579.2 319.6 579.2 0.00 33 28 23949 -62.5 -91.5 1 29.0 -63.2 262 41 585.7 585.7 319.9 585.7 0.00 34 20 26050 -58.9 -88.9 1 30.0 -60.4 270 54 655.9 655.9 322.9 655.9 0.01 35 18 26712 -58.5 -88.5 1 30.0 -60.2 677.2 677.2 323.7 677.3 0.01 36 17 27075 -54.3 -86.3 1 32.0 -57.0 701.8 701.8 324.5 701.9 0.01 37 14 28315 -55.9 -86.9 1 31.0 -58.6 736.5 736.5 325.6 736.6 0.01 38 11 29860 -52.9 -84.9 1 32.0 -57.0 800.0 800.0 327.3 800.2 0.03 TRP 254 10149 -57.5 -62.5 53 5.0 -57.6 255 27 319.1 319.1 288.5 319.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5366.00 m Freezing level: Surface below freezing Freezing level: 946.58 mb = 660.87 m = 2168.18 ft Freezing level: 827.42 mb = 1757.50 m = 5766.01 ft Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 55.82 % Est. max temperature: 11.39 C = 52.50 F Sfc-Lift cond lev (LCL): 915.81 mb = 929.48 m = 3049.43 ft T: 6.09 C 700-500 lapse rate: 6.66 C/km ThetaE index: 1.85 C Layer 702.0- 700.0 mb Conv cond level (CCL): 664.41 mb = 3467.00 m = 11374.54 ft Mean mixing ratio: 2.45 g/kg Conv temperature: 16.82 C = 62.28 F Cap Strength: 8.22 C Lifted Index: 8.15 C Risk: None Lifted Index @300 mb: 13.93 C Lifted Index @700 mb: 4.62 C Showalter Index: 7.44 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 27.50 C Cross Totals Index: 15.50 C K Index: 10.30 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 2.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.97 J/kg Max Up Vert Vel: 7.07 m/s Conv Inhibition (B-): 50124.89 J/kg Cap Strength: 8.05 C Lift Cond Lev (LCL): 749.60 mb = 2533.28 m = 8311.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 282 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 ---------------------------------------------------------- 0 948 649 300 1 0.9 -0.5 | 100 13 -12.7 2.3 1 925 848 150 9 -4.5 7.8 | 120 21 -18.1 10.6 2 850 1536 260 15 14.8 2.6 | 193 6 1.2 5.4 3 700 3068 225 13 9.2 9.2 | 160 13 -4.4 12.0 4 500 5590 265 27 26.9 2.4 | 249 14 13.3 5.2 5 400 7170 255 27 26.1 7.0 | 232 16 12.5 9.8 6 300 9080 235 31 25.4 17.8 | 210 24 11.8 20.6 7 254 10149 255 27 26.1 7.0 | 232 16 12.5 9.8 8 250 10250 255 29 28.0 7.5 | 234 18 14.4 10.3 9 200 11660 280 44 43.3 -7.6 | 279 30 29.8 -4.8 10 150 13480 270 36 36.0 -0.0 | 263 23 22.4 2.8 11 100 16020 260 33 32.5 5.7 | 246 21 18.9 8.5 12 70 18250 280 38 37.4 -6.6 | 279 24 23.9 -3.8 13 50 20340 270 38 38.0 -0.0 | 263 25 24.4 2.8 14 30 23520 260 38 37.4 6.6 | 248 26 23.9 9.4 15 20 26050 270 54 54.0 -0.0 | 266 41 40.4 2.8 Wind Parameters Mean winds (0-6000m): 251.7 at 18.5 knts Storm direction: 281.7 at 13.8 knts Shear (0-3000m) pos: 2.8 neg: 3.0 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 77.8 deg Storm rel helicity (0-3000m) pos: 97.3 neg: -14.2 tot: 83.1 m^2/s^2 ave: 27.7 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.53 Bulk Shear: 46.81 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 ------------------------------------------------------------------------------- 500 172 8 127 18| 0.0 12.2 12.2| 56.2 -2.2 54.0 108.0 0.53| 23.6 12.6 1000 226 11 151 12| 6.9 6.1 13.0| 84.4 -2.8 81.6 81.6 0.55| 19.7 10.8 1500 239 12 161 10| 4.6 4.8 9.4| 84.4 -5.9 78.5 52.3 0.47| 14.1 6.7 2000 240 13 164 9| 3.4 4.2 7.6| 84.4 -10.0 74.4 37.2 0.40| 11.3 4.6 2500 238 13 164 10| 2.8 3.6 6.4| 86.0 -14.2 71.8 28.7 0.36| 9.6 3.5 3000 236 13 165 10| 2.8 3.0 5.8| 97.3 -14.2 83.1 27.7 0.41| 8.6 3.5 4000 240 15 174 10| 3.0 2.3 5.3|121.9 -14.2 107.8 26.9 0.48| 7.4 3.6 5000 248 17 192 9| 3.3 1.8 5.1|149.0 -14.2 134.8 27.0 0.54| 6.8 3.7 6000 252 18 205 9| 2.7 1.8 4.5|149.0 -25.2 123.8 20.6 0.48| 5.9 2.8 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251224.00.gif