UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 3 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 192 SFC 944 647 -2.1 -9.1 59 7.0 -4.4 250 1 275.6 275.9 271.9 281.3 2.03 2 943 655 -0.5 -7.5 59 7.0 -2.9 247 1 277.3 277.7 273.3 283.7 2.30 3 937 706 7.0 -1.0 57 8.0 3.4 230 2 285.4 286.1 279.6 296.2 3.79 4 925 812 9.0 -4.0 40 13.0 3.4 195 5 288.5 289.1 280.2 297.4 3.07 5 920 857 9.0 -6.0 34 15.0 2.8 198 5 289.0 289.4 279.9 296.7 2.65 6 911 938 10.0 -8.0 27 18.0 2.7 204 6 290.8 291.2 280.3 297.6 2.29 7 850 1509 5.6 -15.4 20 21.0 -1.4 245 11 292.0 292.3 279.6 296.2 1.36 8 700 3064 -4.9 -17.9 35 13.0 -8.7 240 31 297.1 297.3 281.8 301.2 1.33 9 500 5610 -24.5 -33.5 43 9.0 -25.8 260 31 303.2 303.3 283.2 304.7 0.45 10 469 6071 -28.9 -36.9 46 8.0 -29.8 264 32 303.3 303.4 283.2 304.5 0.34 11 400 7190 -36.9 -42.9 54 6.0 -37.3 275 36 307.0 307.1 284.5 307.8 0.22 12 326 8574 -48.3 -54.3 50 6.0 -48.5 275 45 309.8 309.8 285.4 310.1 0.07 13 300 9120 -50.1 -57.1 43 7.0 -50.3 275 48 314.7 314.7 287.1 315.0 0.06 14 258 10098 -53.2 -61.1 38 7.8 -53.4 285 62 324.0 324.0 290.0 324.1 0.04 15 250 10300 -53.9 -61.9 37 8.0 -54.1 285 58 325.9 325.9 290.6 326.1 0.04 16 234 10722 -55.5 -63.5 36 8.0 -55.6 280 56 329.7 329.7 291.7 329.9 0.03 17 200 11720 -56.1 -64.1 36 8.0 -56.2 275 46 343.9 343.9 295.3 344.1 0.03 18 150 13540 -58.7 -67.7 30 9.0 -58.9 270 54 368.9 369.0 300.4 369.1 0.03 19 100 16040 -63.7 -76.7 15 13.0 -63.8 285 36 404.7 404.7 305.8 404.7 0.01 20 70 18210 -67.7 -92.7 2 25.0 -67.8 265 42 439.5 439.6 309.8 439.6 0.00 21 69 18297 -67.9 -93.9 1 26.0 -68.1 266 42 440.9 440.9 310.0 440.9 0.00 22 50 20240 -67.5 -95.5 1 28.0 -67.7 280 44 484.4 484.4 313.8 484.4 0.00 23 47 20613 -67.1 -95.1 1 28.0 -67.4 281 44 494.0 494.0 314.5 494.0 0.00 24 39 21730 -70.5 -97.5 1 27.0 -70.7 282 43 512.5 512.5 315.8 512.5 0.00 25 33 22728 -67.7 -94.7 1 27.0 -68.0 284 42 545.0 545.0 317.8 545.0 0.00 26 30 23300 -69.1 -96.1 1 27.0 -69.4 285 42 556.3 556.3 318.5 556.3 0.00 27 22 25159 -66.9 -94.9 1 28.0 -67.4 277 47 614.4 614.4 321.2 614.4 0.00 28 20 25730 -69.5 -96.5 1 27.0 -69.9 275 48 623.4 623.4 321.6 623.4 0.00 29 19 26035 -70.3 -97.3 1 27.0 -70.7 630.2 630.2 321.9 630.2 0.00 30 15 27454 -66.3 -94.3 1 28.0 -67.1 687.5 687.5 324.0 687.6 0.00 31 11 29332 -66.5 -94.5 1 28.0 -67.5 750.6 750.6 326.0 750.6 0.00 TRP 234 10722 -55.5 -63.5 36 8.0 -55.6 280 56 329.7 329.7 291.7 329.9 0.03 WND 258 10098 -53.2 -61.1 38 7.8 -53.4 285 62 324.0 324.0 290.0 324.1 0.04 Sounding variables and indices 1000-500 mb thick: 5418.00 m Freezing level: Surface below freezing Freezing level: 942.60 mb = 658.51 m = 2160.45 ft Freezing level: 770.00 mb = 2338.33 m = 7671.60 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 34.30 % Est. max temperature: 15.87 C = 60.57 F Sfc-Lift cond lev (LCL): 845.47 mb = 1551.81 m = 5091.18 ft T: 5.31 C 700-500 lapse rate: 7.70 C/km ThetaE index: 1.45 C Layer 850.0- 700.0 mb Conv cond level (CCL): 598.34 mb = 4251.38 m = 13947.94 ft Mean mixing ratio: 2.16 g/kg Conv temperature: 22.05 C = 71.70 F Cap Strength: 6.62 C Lifted Index: 7.00 C Risk: None Lifted Index @300 mb: 13.10 C Lifted Index @700 mb: 6.41 C Showalter Index: 7.18 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 30.10 C Cross Totals Index: 9.10 C K Index: 1.70 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 32.37 J/kg Max Up Vert Vel: 8.05 m/s Conv Inhibition (B-): 44309.45 J/kg Cap Strength: 7.00 C Lift Cond Lev (LCL): 690.98 mb = 3162.09 m = 10374.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 19 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 ---------------------------------------------------------- 0 944 647 250 1 0.9 0.3 | 103 18 -17.9 4.0 1 925 812 195 5 1.3 4.8 | 116 19 -17.5 8.5 2 850 1509 245 11 10.0 4.6 | 133 12 -8.8 8.3 3 700 3064 240 31 26.8 15.5 | 203 21 8.0 19.1 4 500 5610 260 31 30.5 5.4 | 232 15 11.7 9.0 5 400 7190 275 36 35.9 -3.1 | 268 17 17.0 0.5 6 300 9120 275 48 47.8 -4.2 | 271 29 29.0 -0.5 7 258 10098 285 62 59.9 -16.0 | 287 43 41.1 -12.4 8 250 10300 285 58 56.0 -15.0 | 287 39 37.2 -11.4 9 234 10722 280 56 55.1 -9.7 | 279 37 36.3 -6.1 10 200 11720 275 46 45.8 -4.0 | 271 27 27.0 -0.4 11 150 13540 270 54 54.0 -0.0 | 264 35 35.2 3.6 12 100 16040 285 36 34.8 -9.3 | 290 17 16.0 -5.7 13 70 18210 265 42 41.8 3.7 | 252 24 23.0 7.3 14 50 20240 280 44 43.3 -7.6 | 279 25 24.5 -4.0 15 30 23300 285 42 40.6 -10.9 | 288 23 21.8 -7.2 16 20 25730 275 48 47.8 -4.2 | 271 29 29.0 -0.5 Wind Parameters Mean winds (0-6000m): 251.0 at 25.6 knts Storm direction: 281.0 at 19.2 knts Shear (0-3000m) pos: 1.4 neg: 4.3 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 105.9 deg Storm rel helicity (0-3000m) pos: 113.1 neg: 0.0 tot: 113.1 m^2/s^2 ave: 37.7 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.51 Bulk Shear: 63.76 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 ------------------------------------------------------------------------------- 500 209 5 117 18| 0.0 7.2 7.2| 34.9 0.0 34.9 69.9 0.84| 8.8 7.4 1000 231 8 123 15| 3.4 3.6 7.0| 48.7 0.0 48.7 48.7 0.71| 8.0 5.7 1500 238 10 133 14| 2.3 4.5 6.8| 68.3 0.0 68.3 45.5 0.79| 7.5 5.9 2000 239 13 145 13| 1.7 5.0 6.7| 87.5 0.0 87.5 43.7 0.79| 7.3 5.8 2500 239 17 159 13| 1.4 5.1 6.5|104.2 0.0 104.2 41.7 0.76| 7.0 5.3 3000 240 19 169 13| 1.4 4.3 5.6|113.1 0.0 113.1 37.7 0.76| 6.2 4.7 4000 243 22 183 14| 1.4 3.2 4.6|129.8 0.0 129.8 32.5 0.77| 5.2 4.0 5000 247 24 194 14| 1.5 2.6 4.1|145.4 0.0 145.4 29.1 0.78| 4.6 3.6 6000 251 26 204 13| 1.8 2.1 3.9|170.3 0.0 170.3 28.4 0.80| 4.4 3.5 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251203.00.gif