UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121700.upa.cvt Date: 0000Z 17 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 17 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 207 SFC 946 651 -1.1 -3.1 86 2.0 -1.9 350 3 276.4 276.9 274.2 285.3 3.21 2 928 805 -1.5 -3.2 88 1.7 -2.1 324 8 277.5 278.1 274.8 286.5 3.25 3 925 831 -1.1 -3.2 86 2.1 -1.9 320 9 278.2 278.7 275.2 287.2 3.26 4 914 927 1.4 -2.6 75 4.0 -0.2 308 9 281.7 282.3 277.4 291.4 3.45 5 908 980 1.2 -3.4 71 4.6 -0.7 301 9 282.0 282.6 277.3 291.3 3.27 6 901 1042 2.4 -3.6 65 6.0 -0.0 294 8 283.9 284.5 278.2 293.1 3.25 7 868 1344 3.2 -3.8 60 7.0 0.3 256 7 287.8 288.4 280.2 297.4 3.32 8 850 1514 2.0 -4.0 64 6.0 -0.5 235 7 288.2 288.8 280.4 297.9 3.34 9 792 2079 -2.9 -2.9 100 0.0 -2.9 240 14 288.9 289.6 281.4 300.1 3.90 10 760 2406 -2.7 -2.7 100 0.0 -2.7 244 19 292.5 293.3 283.2 304.6 4.12 11 730 2724 -4.9 -4.9 100 0.0 -4.9 247 23 293.5 294.2 283.1 304.2 3.64 12 700 3052 -7.9 -7.9 100 0.0 -7.9 250 27 293.7 294.3 282.5 302.7 3.01 13 645 3682 -13.3 -13.3 100 0.0 -13.3 251 34 294.6 295.0 281.8 301.0 2.12 14 608 4131 -14.3 -16.0 87 1.7 -14.8 252 39 298.4 298.8 283.0 304.0 1.80 15 561 4736 -18.7 -20.8 83 2.1 -19.2 253 46 300.2 300.4 283.1 304.3 1.30 16 515 5372 -20.3 -21.1 93 0.8 -20.5 255 53 305.7 306.0 285.4 310.2 1.38 17 500 5590 -21.9 -22.7 93 0.8 -22.1 255 56 306.3 306.6 285.4 310.4 1.23 18 400 7200 -32.1 -33.3 89 1.2 -32.3 245 83 313.3 313.4 287.2 315.3 0.58 19 381 7544 -33.3 -34.6 88 1.3 -33.4 247 87 316.1 316.2 288.1 318.0 0.53 20 300 9180 -47.1 -49.9 73 2.8 -47.2 255 104 319.0 319.0 288.6 319.5 0.13 21 250 10360 -57.9 -62.1 59 4.2 -58.0 260 112 320.0 320.0 288.8 320.1 0.04 22 238 10666 -60.7 -65.3 55 4.6 -60.7 262 119 320.3 320.3 288.9 320.4 0.02 23 213 11348 -64.0 -68.6 54 4.5 -64.1 265 134 325.5 325.5 290.5 325.5 0.02 24 200 11730 -65.9 -70.4 53 4.5 -66.0 270 114 328.4 328.4 291.3 328.5 0.01 25 197 11822 -66.3 -70.7 54 4.4 -66.3 270 104 329.2 329.2 291.5 329.2 0.01 26 170 12731 -59.1 -63.1 60 4.0 -59.2 262 96 355.3 355.3 297.8 355.5 0.05 27 150 13510 -62.3 -66.9 54 4.6 -62.4 255 89 362.8 362.8 299.2 362.9 0.03 28 135 14158 -64.9 -69.9 50 5.0 -65.0 259 83 369.2 369.2 300.4 369.3 0.02 29 100 16000 -62.9 -69.9 38 7.0 -63.0 270 64 406.2 406.2 306.0 406.4 0.03 30 71 18103 -66.1 -75.1 27 9.0 -66.2 260 73 441.2 441.2 310.0 441.3 0.02 31 70 18190 -63.5 -72.5 28 9.0 -63.7 260 73 448.5 448.5 310.7 448.7 0.03 32 53 19891 -63.9 -74.9 21 11.0 -64.2 272 47 484.8 484.8 313.8 484.9 0.03 33 52 20008 -61.5 -72.5 22 11.0 -61.9 273 46 493.0 493.0 314.5 493.2 0.04 34 50 20250 -62.7 -74.7 18 12.0 -63.0 275 42 495.7 495.7 314.7 495.9 0.03 35 45 20898 -64.5 -76.5 18 12.0 -64.8 276 42 506.5 506.5 315.4 506.7 0.03 36 44 21036 -61.7 -74.7 16 13.0 -62.1 276 41 516.6 516.6 316.1 516.9 0.03 37 37 22109 -62.5 -77.5 12 15.0 -63.0 278 41 540.8 540.8 317.6 541.0 0.03 38 33 22822 -58.5 -74.5 11 16.0 -59.4 279 40 569.4 569.4 319.2 569.8 0.05 39 30 23420 -60.1 -78.1 8 18.0 -60.9 280 40 580.8 580.8 319.7 581.0 0.03 40 21 25643 -59.5 -89.5 1 30.0 -60.8 271 38 645.0 645.0 322.5 645.0 0.01 41 20 25950 -56.1 -87.1 1 31.0 -58.1 270 38 664.5 664.5 323.2 664.5 0.01 42 17 26837 -53.5 -85.5 1 32.0 -56.4 704.4 704.4 324.6 704.5 0.02 43 13 28361 -53.1 -85.1 1 32.0 -56.7 762.0 762.0 326.3 762.1 0.02 44 11 29351 -47.3 -81.3 1 34.0 -53.6 820.3 820.3 327.7 820.8 0.05 45 10 29930 -47.7 -81.7 1 34.0 -54.1 841.5 841.5 328.2 842.0 0.05 TRP 197 11822 -66.3 -70.7 54 4.4 -66.3 270 104 329.2 329.2 291.5 329.2 0.01 WND 213 11348 -64.0 -68.6 54 4.5 -64.1 265 134 325.5 325.5 290.5 325.5 0.02 Sounding variables and indices 1000-500 mb thick: 5383.00 m Freezing level: Surface below freezing Freezing level: 920.16 mb = 873.21 m = 2864.83 ft Freezing level: 826.33 mb = 1744.62 m = 5723.74 ft Wetbulb zero: Below ground Precipitable water: 0.55 inches Sfc-500 mean rel hum: 88.74 % Est. max temperature: 11.15 C = 52.06 F Sfc-Lift cond lev (LCL): 916.74 mb = 902.94 m = 2962.35 ft T: 0.77 C 700-500 lapse rate: 5.52 C/km ThetaE index: 3.57 C Layer 730.0- 608.0 mb Conv cond level (CCL): 713.95 mb = 2897.75 m = 9506.95 ft Mean mixing ratio: 3.30 g/kg Conv temperature: 15.86 C = 60.55 F Cap Strength: 11.91 C Lifted Index: 12.18 C Risk: None Lifted Index @300 mb: 18.56 C Lifted Index @700 mb: 5.85 C Showalter Index: 8.52 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 17.90 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 70.00 Risk: None Energy Index: 2.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.15 J/kg Max Up Vert Vel: 10.69 m/s Conv Inhibition (B-): 51626.00 J/kg Cap Strength: 12.06 C Lift Cond Lev (LCL): 827.62 mb = 1727.32 m = 5666.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 26 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 ---------------------------------------------------------- 0 946 651 350 3 0.5 -3.0 | 96 25 -25.1 2.8 1 925 831 320 9 5.8 -6.9 | 87 20 -19.8 -1.1 2 850 1514 235 7 5.7 4.0 | 116 22 -19.9 9.8 3 700 3052 250 27 25.4 9.2 | 179 15 -0.2 15.0 4 500 5590 255 56 54.1 14.5 | 235 35 28.5 20.3 5 400 7200 245 83 75.2 35.1 | 231 64 49.6 40.8 6 300 9180 255 104 100.5 26.9 | 246 82 74.9 32.7 7 250 10360 260 112 110.3 19.4 | 253 88 84.7 25.2 8 213 11348 265 134 133.5 11.7 | 261 109 107.9 17.4 9 200 11730 270 114 114.0 -0.0 | 266 89 88.4 5.8 10 197 11822 270 104 104.0 -0.0 | 266 79 78.4 5.8 11 150 13510 255 89 86.0 23.0 | 245 67 60.4 28.8 12 100 16000 270 64 64.0 -0.0 | 261 39 38.4 5.8 13 70 18190 260 73 71.9 12.7 | 248 50 46.3 18.4 14 50 20250 275 42 41.8 -3.7 | 263 16 16.2 2.1 15 30 23420 280 40 39.4 -6.9 | 275 14 13.8 -1.2 16 20 25950 270 38 38.0 -0.0 | 245 14 12.4 5.8 Wind Parameters Mean winds (0-6000m): 252.7 at 35.0 knts Storm direction: 282.7 at 26.2 knts Shear (0-3000m) pos: 4.4 neg: 1.8 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 104.7 deg Storm rel helicity (0-3000m) pos: 161.3 neg: -21.7 tot: 139.6 m^2/s^2 ave: 46.5 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 5.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.44 Bulk Shear: 130.41 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 ------------------------------------------------------------------------------- 500 309 8 93 20| 0.0 7.8 7.8| 25.5 -21.7 3.8 7.6 0.13| 12.9 1.7 1000 284 8 102 19| 0.0 5.3 5.3| 55.7 -21.7 34.0 34.0 0.37| 10.2 3.8 1500 261 9 113 18| 2.3 3.6 5.8| 85.2 -21.7 63.4 42.3 0.50| 9.1 4.5 2000 254 11 121 17| 3.4 2.7 6.1|112.9 -21.7 91.1 45.6 0.59| 8.5 5.0 2500 253 14 129 16| 4.1 2.1 6.2|139.0 -21.7 117.3 46.9 0.65| 8.2 5.3 3000 253 17 139 14| 4.4 1.8 6.1|161.3 -21.7 139.6 46.5 0.68| 7.8 5.3 4000 253 23 162 13| 4.8 1.3 6.1|207.8 -21.7 186.0 46.5 0.69| 7.3 5.0 5000 253 29 188 14| 5.0 1.1 6.1|255.5 -21.7 233.8 46.8 0.66| 7.1 4.6 6000 253 35 206 18| 4.2 2.4 6.6|255.5 -42.8 212.7 35.4 0.50| 7.5 3.7 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251217.00.gif