UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 6 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 259 SFC 953 651 4.0 3.7 98 0.3 3.8 205 1 281.0 281.9 279.3 295.4 5.23 2 952 659 3.8 3.2 96 0.6 3.5 202 1 280.9 281.7 279.0 294.8 5.06 3 947 702 5.6 4.1 90 1.5 4.9 185 1 283.1 284.1 280.6 298.2 5.42 4 925 894 4.4 1.8 83 2.6 3.2 110 3 283.8 284.6 280.0 297.0 4.71 5 911 1018 3.8 -2.2 65 6.0 1.3 123 3 284.4 285.1 278.9 294.6 3.57 6 850 1577 -0.5 -0.6 99 0.1 -0.6 180 1 285.6 286.4 280.4 297.8 4.30 7 844 1634 -0.9 181 1 285.8 8 836 1710 -0.3 -1.2 94 0.9 -0.7 183 2 287.2 287.9 281.0 299.2 4.19 9 700 3105 -9.7 -9.7 100 0.0 -9.7 220 7 291.7 292.2 281.1 299.5 2.61 10 677 3362 -11.1 222 8 293.0 11 650 3673 -13.1 -14.3 91 1.2 -13.5 224 9 294.1 294.5 281.4 300.1 1.94 12 632 3887 -14.3 -20.3 60 6.0 -15.7 226 9 295.2 295.4 280.8 298.9 1.20 13 580 4532 -18.7 -25.7 54 7.0 -20.0 231 11 297.3 297.5 281.3 300.0 0.81 14 550 4926 -21.9 -25.3 74 3.4 -22.5 234 13 298.1 298.3 281.7 301.0 0.89 15 500 5620 -26.9 -33.9 52 7.0 -27.8 240 15 300.2 300.3 282.0 301.7 0.43 16 424 6781 -36.9 -47.9 31 11.0 -37.5 255 16 302.0 302.0 282.3 302.4 0.12 17 400 7180 -40.5 -50.5 33 10.0 -40.9 260 17 302.4 302.4 282.5 302.7 0.09 18 335 8364 -50.1 -59.1 34 9.0 -50.3 260 29 305.0 305.0 283.4 305.1 0.04 19 300 9080 -53.1 -64.1 25 11.0 -53.3 260 36 310.5 310.5 285.5 310.6 0.02 20 250 10250 -56.1 -73.1 10 17.0 -56.3 265 38 322.7 322.7 289.6 322.7 0.01 21 241 10482 -57.3 -75.3 8 18.0 -57.5 266 38 324.3 324.3 290.0 324.3 0.01 22 200 11660 -56.7 -84.7 2 28.0 -56.9 270 35 343.0 343.0 295.0 343.0 0.00 23 186 12121 -56.1 -87.1 1 31.0 -56.3 270 36 351.1 351.1 296.9 351.1 0.00 24 150 13480 -58.7 -88.7 1 30.0 -58.9 270 38 368.9 368.9 300.4 369.0 0.00 25 127 14517 -62.3 -91.3 1 29.0 -62.5 270 39 380.4 380.4 302.3 380.4 0.00 26 112 15297 -60.3 -90.3 1 30.0 -60.6 270 41 398.1 398.1 304.9 398.1 0.00 27 100 15997 -64.1 -93.1 1 29.0 -64.3 270 42 403.9 403.9 305.7 403.9 0.00 28 97 16183 -64.7 -92.7 1 28.0 -64.8 270 42 406.2 406.2 306.0 406.2 0.00 29 72 18016 -61.7 -90.7 1 29.0 -62.0 275 46 448.8 448.8 310.7 448.8 0.00 30 70 18190 -62.7 -91.7 1 29.0 -63.0 275 46 450.2 450.2 310.9 450.3 0.00 31 50 20250 -64.9 -92.9 1 28.0 -65.2 275 46 490.5 490.5 314.2 490.6 0.00 32 39 21758 -68.1 -95.1 1 27.0 -68.4 273 50 518.6 518.6 316.2 518.6 0.00 33 30 23340 -67.5 -95.5 1 28.0 -67.9 270 54 560.6 560.6 318.7 560.6 0.00 34 20 25760 -70.9 -96.9 1 26.0 -71.2 280 68 619.1 619.1 321.5 619.2 0.00 35 19 26064 -70.4 -96.9 1 26.5 -70.8 285 71 629.8 629.8 321.9 629.8 0.00 36 18 26386 -69.9 -96.9 1 27.0 -70.4 641.2 641.2 322.3 641.3 0.00 TRP 97 16183 -64.7 -92.7 1 28.0 -64.8 270 42 406.2 406.2 306.0 406.2 0.00 WND 19 26064 -70.4 -96.9 1 26.5 -70.8 285 71 629.8 629.8 321.9 629.8 0.00 Sounding variables and indices 1000-500 mb thick: 5361.00 m Freezing level: 857.09 mb = 1512.01 m = 4960.60 ft Wetbulb zero: 869.01 mb = 1398.60 m = 4588.52 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 77.64 % Est. max temperature: 11.16 C = 52.08 F Sfc-Lift cond lev (LCL): 948.52 mb = 688.99 m = 2260.43 ft T: 5.05 C 700-500 lapse rate: 6.84 C/km ThetaE index: 3.62 C Layer 925.0- 850.0 mb Conv cond level (CCL): 845.12 mb = 1622.93 m = 5324.52 ft Mean mixing ratio: 4.26 g/kg Conv temperature: 8.70 C = 47.65 F Cap Strength: 3.74 C Lifted Index: 4.60 C Risk: None Lifted Index @300 mb: 10.04 C Lifted Index @700 mb: 1.82 C Showalter Index: 3.61 C Risk: None Total Totals Index: 52.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 26.30 C K Index: 25.80 Risk: 40-60 % chance of thunderstorms Sweat Index: 91.00 Risk: None Energy Index: 0.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.66 J/kg Max Up Vert Vel: 4.83 m/s Conv Inhibition (B-): 42485.24 J/kg Cap Strength: 4.59 C Lift Cond Lev (LCL): 862.62 mb = 1458.12 m = 4783.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 264 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 ---------------------------------------------------------- 0 953 651 205 1 0.4 0.9 | 92 6 -6.1 0.3 1 925 894 110 3 -2.8 1.0 | 92 9 -9.4 0.4 2 850 1577 180 1 0.0 1.0 | 93 7 -6.6 0.4 3 700 3105 220 7 4.5 5.4 | 156 5 -2.1 4.7 4 500 5620 240 15 13.0 7.5 | 223 9 6.4 6.9 5 400 7180 260 17 16.7 3.0 | 257 10 10.2 2.3 6 300 9080 260 36 35.5 6.3 | 259 29 28.9 5.6 7 250 10250 265 38 37.9 3.3 | 265 31 31.3 2.7 8 200 11660 270 35 35.0 -0.0 | 271 28 28.4 -0.6 9 97 16183 270 42 42.0 -0.0 | 271 35 35.4 -0.6 10 70 18190 275 46 45.8 -4.0 | 277 40 39.3 -4.7 11 50 20250 275 46 45.8 -4.0 | 277 40 39.3 -4.7 12 30 23340 270 54 54.0 -0.0 | 271 47 47.4 -0.6 13 20 25760 280 68 67.0 -11.8 | 282 62 60.4 -12.5 Wind Parameters Mean winds (0-6000m): 234.4 at 8.8 knts Storm direction: 264.4 at 6.6 knts Shear (0-3000m) pos: 1.5 neg: 0.4 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 82.8 deg Storm rel helicity (0-3000m) pos: 15.3 neg: -2.6 tot: 12.7 m^2/s^2 ave: 4.2 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.91 Bulk Shear: 12.84 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 ------------------------------------------------------------------------------- 500 124 2 94 9| 0.0 2.2 2.2| 2.5 -1.8 0.7 1.4 0.10| 4.7 0.5 1000 129 2 94 8| 0.8 1.1 1.9| 3.0 -2.6 0.4 0.4 0.05| 3.3 0.2 1500 154 2 99 8| 1.0 0.7 1.7| 6.4 -2.6 3.8 2.6 0.27| 2.9 0.8 2000 181 3 107 7| 1.3 0.5 1.8| 9.8 -2.6 7.2 3.6 0.42| 2.7 1.1 2500 202 3 115 6| 1.5 0.4 1.9| 13.0 -2.6 10.4 4.2 0.52| 2.7 1.4 3000 209 4 122 5| 1.5 0.4 1.9| 15.3 -2.6 12.7 4.2 0.57| 2.5 1.4 4000 220 6 141 5| 1.6 0.3 1.9| 20.5 -2.6 17.9 4.5 0.63| 2.3 1.5 5000 228 7 166 4| 1.6 0.2 1.8| 27.0 -2.6 24.4 4.9 0.66| 2.2 1.5 6000 234 9 187 5| 1.5 0.2 1.7| 36.4 -2.6 33.8 5.6 0.71| 2.2 1.5 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251206.00.gif