UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 25 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 144 SFC 940 644 5.0 -3.0 56 8.0 1.7 135 1 283.1 283.7 277.8 292.4 3.26 2 928 748 5.0 -3.0 56 8.0 1.6 155 7 284.2 284.7 278.4 293.6 3.30 3 925 774 5.8 -3.2 52 9.0 2.0 160 9 285.2 285.8 278.9 294.6 3.26 4 919 827 8.0 -2.0 49 10.0 3.5 168 10 288.0 288.7 280.6 298.4 3.59 5 850 1468 5.2 -12.8 26 18.0 -1.2 265 17 291.6 291.9 279.8 296.7 1.68 6 744 2540 -1.3 -14.3 36 13.0 -5.6 244 30 295.8 296.1 281.8 301.1 1.70 7 700 3021 -5.7 -16.7 42 11.0 -9.0 235 36 296.2 296.4 281.7 300.8 1.48 8 606 4129 -16.3 -23.3 55 7.0 -17.8 235 38 296.4 296.6 281.1 299.5 0.96 9 500 5550 -25.7 -29.1 73 3.4 -26.2 235 40 301.7 301.8 283.0 304.0 0.69 10 426 6692 -33.1 -36.9 69 3.8 -33.5 242 39 306.4 306.5 284.5 307.7 0.38 11 400 7130 -37.3 -41.6 64 4.3 -37.6 245 38 306.5 306.6 284.3 307.4 0.25 12 300 9050 -54.1 -61.1 42 7.0 -54.2 240 48 309.1 309.1 285.0 309.2 0.03 13 297 9114 -54.7 -61.7 42 7.0 -54.8 240 49 309.1 309.1 285.0 309.3 0.03 14 278 9536 -54.5 -61.5 42 7.0 -54.6 242 56 315.3 315.3 287.2 315.5 0.03 15 250 10210 -57.5 -65.5 35 8.0 -57.6 245 66 320.6 320.6 288.9 320.7 0.02 16 217 11099 -59.7 -67.7 35 8.0 -59.8 250 60 330.4 330.4 291.9 330.5 0.02 17 200 11610 -58.1 -66.1 35 8.0 -58.2 250 64 340.8 340.8 294.5 340.9 0.03 18 198 11673 -57.5 -65.5 35 8.0 -57.6 250 65 342.7 342.7 295.0 342.8 0.03 19 179 12307 -59.6 -67.6 35 8.0 -59.7 255 77 349.2 349.2 296.5 349.3 0.02 20 172 12556 -60.5 -68.5 34 8.0 -60.6 255 75 351.8 351.8 297.0 351.9 0.02 21 150 13410 -59.9 -68.9 30 9.0 -60.0 255 68 366.9 366.9 300.0 367.0 0.02 22 100 15950 -59.7 -71.7 20 12.0 -60.0 250 58 412.4 412.4 306.8 412.5 0.02 23 70 18180 -59.5 -78.5 7 19.0 -59.9 255 66 457.1 457.1 311.5 457.2 0.01 24 59 19253 -59.7 -89.7 1 30.0 -60.2 260 59 479.5 479.5 313.4 479.6 0.00 25 52 20051 -56.5 -87.5 1 31.0 -57.3 264 54 504.6 504.6 315.3 504.7 0.00 26 50 20300 -56.9 -87.9 1 31.0 -57.8 265 52 509.4 509.4 315.6 509.4 0.00 27 32 23112 -58.3 -88.3 1 30.0 -59.3 261 67 575.0 575.0 319.4 575.0 0.00 28 30 23520 -56.1 -87.1 1 31.0 -57.5 260 69 591.7 591.7 320.2 591.7 0.01 29 26 24428 -55.7 -86.7 1 31.0 -57.3 262 69 617.6 617.6 321.4 617.6 0.01 30 20 26090 -56.9 -87.9 1 31.0 -58.7 265 69 662.0 662.0 323.2 662.1 0.01 31 18 26758 -56.3 -87.3 1 31.0 -58.4 684.2 684.2 323.9 684.2 0.01 32 14 28338 -60.7 -90.7 1 30.0 -62.3 720.2 720.2 325.1 720.3 0.01 TRP 217 11099 -59.7 -67.7 35 8.0 -59.8 250 60 330.4 330.4 291.9 330.5 0.02 WND 179 12307 -59.6 -67.6 35 8.0 -59.7 255 77 349.2 349.2 296.5 349.3 0.02 Sounding variables and indices 1000-500 mb thick: 5406.00 m Freezing level: 765.20 mb = 2325.63 m = 7629.91 ft Wetbulb zero: 866.96 mb = 1305.87 m = 4284.31 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 47.39 % Est. max temperature: 15.63 C = 60.14 F Sfc-Lift cond lev (LCL): 830.68 mb = 1653.06 m = 5423.35 ft T: 4.08 C 700-500 lapse rate: 7.91 C/km ThetaE index: 1.70 C Layer 850.0- 744.0 mb Conv cond level (CCL): 658.23 mb = 3493.74 m = 11462.26 ft Mean mixing ratio: 2.67 g/kg Conv temperature: 17.98 C = 64.37 F Cap Strength: 6.37 C Lifted Index: 5.51 C Risk: None Lifted Index @300 mb: 8.75 C Lifted Index @700 mb: 5.59 C Showalter Index: 5.63 C Risk: None Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 30.90 C Cross Totals Index: 12.90 C K Index: 7.10 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 1.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.33 J/kg Max Up Vert Vel: 7.39 m/s Conv Inhibition (B-): 47346.99 J/kg Cap Strength: 6.37 C Lift Cond Lev (LCL): 731.40 mb = 2674.80 m = 8775.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 24 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 ---------------------------------------------------------- 0 940 644 135 1 -0.7 0.7 | 89 25 -24.7 -0.3 1 925 774 160 9 -3.1 8.5 | 105 28 -27.1 7.4 2 850 1468 265 17 16.9 1.5 | 94 7 -7.0 0.5 3 700 3021 235 36 29.5 20.6 | 196 20 5.5 19.6 4 500 5550 235 40 32.8 22.9 | 202 24 8.8 21.9 5 400 7130 245 38 34.4 16.1 | 215 18 10.5 15.0 6 300 9050 240 48 41.6 24.0 | 217 29 17.6 23.0 7 250 10210 245 66 59.8 27.9 | 233 45 35.8 26.9 8 217 11099 250 60 56.4 20.5 | 239 38 32.4 19.5 9 200 11610 250 64 60.1 21.9 | 240 42 36.2 20.9 10 179 12307 255 77 74.4 19.9 | 249 54 50.4 18.9 11 150 13410 255 68 65.7 17.6 | 248 45 41.7 16.6 12 100 15950 250 58 54.5 19.8 | 238 36 30.5 18.8 13 70 18180 255 66 63.8 17.1 | 248 43 39.8 16.1 14 50 20300 265 52 51.8 4.5 | 263 28 27.8 3.5 15 30 23520 260 69 68.0 12.0 | 256 45 44.0 11.0 16 20 26090 265 69 68.7 6.0 | 264 45 44.8 5.0 Wind Parameters Mean winds (0-6000m): 237.6 at 32.0 knts Storm direction: 267.6 at 24.0 knts Shear (0-3000m) pos: 3.4 neg: 3.7 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 108.1 deg Storm rel helicity (0-3000m) pos: 116.3 neg: -10.6 tot: 105.6 m^2/s^2 ave: 35.2 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 3.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.29 Bulk Shear: 94.80 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 ------------------------------------------------------------------------------- 500 188 9 110 24| 13.5 0.0 13.5| 94.9 0.0 94.9 189.7 0.72| 20.1 14.5 1000 240 13 113 14| 10.2 0.0 10.2| 98.0 -9.9 88.1 88.1 0.33| 17.8 6.0 1500 248 16 118 10| 6.8 2.5 9.2|106.5 -9.9 96.6 64.4 0.43| 14.4 6.1 2000 246 19 135 9| 5.1 3.8 8.9|112.5 -9.9 102.6 51.3 0.41| 12.8 5.2 2500 242 22 155 10| 4.1 4.3 8.4|113.6 -10.6 102.9 41.2 0.36| 11.5 4.2 3000 240 24 166 12| 3.4 3.7 7.1|116.3 -10.6 105.6 35.2 0.37| 9.8 3.6 4000 238 28 179 14| 2.5 3.0 5.5|121.7 -10.6 111.0 27.8 0.37| 7.5 2.8 5000 237 30 186 16| 2.1 2.5 4.6|128.3 -10.6 117.7 23.5 0.38| 6.2 2.4 6000 238 32 191 16| 1.9 2.0 3.9|145.4 -10.6 134.7 22.5 0.40| 5.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251225.12.gif