UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 17 OCT 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 165 SFC 943 650 8.0 0.0 57 8.0 4.3 110 3 285.9 286.6 280.2 297.4 4.05 2 942 659 7.4 -0.6 57 8.0 3.8 116 3 285.4 286.1 279.7 296.4 3.88 3 938 694 13.0 4.0 54 9.0 8.3 140 4 291.4 292.4 284.2 307.1 5.43 4 937 703 13.0 4.0 54 9.0 8.3 146 4 291.5 292.5 284.2 307.2 5.44 5 929 775 14.6 5.6 55 9.0 9.6 195 6 293.9 295.0 285.9 311.7 6.14 6 925 812 18.6 8.6 52 10.0 12.6 220 7 298.3 299.7 288.9 320.6 7.60 7 922 840 19.4 9.4 52 10.0 13.3 222 7 299.4 300.9 289.7 323.1 8.05 8 850 1534 15.0 -2.0 31 17.0 6.6 265 9 301.9 302.6 286.6 313.7 3.88 9 808 1960 11.4 -5.6 30 17.0 3.6 261 13 302.4 303.0 286.1 312.0 3.11 10 776 2297 11.2 -6.8 28 18.0 3.0 258 17 305.7 306.3 287.1 315.0 2.96 11 700 3145 3.6 -14.4 25 18.0 -3.0 250 25 306.5 306.8 286.1 312.2 1.79 12 612 4216 -6.1 -16.1 45 10.0 -9.4 262 27 307.3 307.6 286.4 313.0 1.78 13 536 5242 -11.7 -21.7 43 10.0 -14.5 274 30 312.5 312.7 287.6 316.7 1.26 14 500 5770 -16.7 -26.7 42 10.0 -18.9 280 31 312.7 312.8 287.3 315.6 0.86 15 488 5953 -18.3 -28.3 41 10.0 -20.3 280 32 312.9 313.0 287.2 315.5 0.76 16 428 6927 -22.9 -32.9 40 10.0 -24.6 280 39 319.0 319.1 289.0 321.0 0.56 17 400 7420 -27.1 -37.1 38 10.0 -28.5 280 42 319.8 319.8 289.1 321.2 0.40 18 300 9420 -44.3 -55.3 28 11.0 -44.7 280 48 322.9 322.9 289.8 323.2 0.07 19 254 10508 -53.5 -65.5 22 12.0 -53.7 275 61 325.0 325.1 290.3 325.1 0.02 20 250 10610 -53.9 -65.9 22 12.0 -54.1 275 62 325.9 325.9 290.6 326.0 0.02 21 203 11945 -57.3 -69.3 20 12.0 -57.5 280 75 340.6 340.6 294.5 340.6 0.02 22 200 12040 -57.3 -69.3 20 12.0 -57.5 280 75 342.0 342.0 294.8 342.1 0.02 23 187 12463 -57.5 -69.5 20 12.0 -57.7 285 79 348.3 348.3 296.3 348.4 0.02 24 150 13850 -58.3 -70.3 20 12.0 -58.5 290 77 369.6 369.6 300.5 369.7 0.02 25 133 14608 -58.7 -72.7 15 14.0 -58.9 287 76 381.9 381.9 302.6 381.9 0.02 26 100 16380 -63.9 -86.9 3 23.0 -64.1 280 73 404.3 404.3 305.7 404.3 0.00 27 97 16566 -65.5 -91.5 2 26.0 -65.7 280 71 404.7 404.7 305.8 404.7 0.00 28 70 18550 -64.7 -92.7 1 28.0 -64.9 275 52 446.0 446.0 310.5 446.0 0.00 29 55 20017 -65.3 -93.3 1 28.0 -65.5 279 46 476.4 476.4 313.2 476.4 0.00 30 50 20600 -62.9 -91.9 1 29.0 -63.3 280 44 495.3 495.3 314.6 495.3 0.00 31 40 21978 -61.3 -90.3 1 29.0 -61.9 278 41 531.9 531.9 317.1 531.9 0.00 32 35 22799 -64.5 -93.5 1 29.0 -65.0 277 40 544.3 544.3 317.8 544.3 0.00 33 30 23750 -60.1 -90.1 1 30.0 -61.0 275 38 580.8 580.8 319.7 580.8 0.00 34 28 24184 -58.5 -88.5 1 30.0 -59.7 278 38 596.8 596.8 320.5 596.9 0.01 35 24 25150 -61.3 -91.3 1 30.0 -62.3 283 39 615.6 615.6 321.3 615.6 0.00 36 20 26300 -55.7 -86.7 1 31.0 -57.8 290 40 665.7 665.7 323.3 665.8 0.01 37 19 26628 -54.9 -86.9 1 32.0 -57.2 289 41 678.0 678.0 323.7 678.1 0.01 38 16 27730 -54.3 -86.3 1 32.0 -57.1 284 43 714.1 714.1 324.9 714.2 0.01 39 16 27730 -53.9 -85.9 1 32.0 -56.8 284 43 715.4 715.4 324.9 715.5 0.02 40 15 28142 -56.9 -87.9 1 31.0 -59.2 282 43 718.8 718.8 325.0 718.9 0.01 41 15 28142 -53.5 -85.5 1 32.0 -56.6 282 43 730.1 730.1 325.4 730.2 0.02 42 15 28142 -52.3 -84.3 1 32.0 -55.8 282 43 734.1 734.1 325.5 734.2 0.02 43 13 29076 -48.9 -82.9 1 34.0 -53.9 278 45 776.5 776.5 326.7 776.8 0.03 44 12 29601 -50.7 -83.7 1 33.0 -55.4 275 46 788.1 788.1 327.0 788.4 0.03 45 12 29601 -47.7 -81.7 1 34.0 -53.5 275 46 798.7 798.8 327.2 799.1 0.04 46 11 30177 -46.5 -80.5 1 34.0 -53.1 273 47 823.2 823.3 327.8 823.8 0.06 47 10 30810 -47.1 -81.1 1 34.0 -53.8 270 48 843.7 843.8 328.2 844.3 0.06 48 8.8 31655 -48.1 -82.1 1 34.0 -54.8 871.3 871.3 328.8 871.8 0.05 TRP 203 11945 -57.3 -69.3 20 12.0 -57.5 280 75 340.6 340.6 294.5 340.6 0.02 WND 187 12463 -57.5 -69.5 20 12.0 -57.7 285 79 348.3 348.3 296.3 348.4 0.02 Sounding variables and indices 1000-500 mb thick: 5605.00 m Freezing level: 667.34 mb = 3542.32 m = 11621.66 ft Wetbulb zero: 738.12 mb = 2708.66 m = 8886.57 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 37.17 % Est. max temperature: 25.76 C = 78.36 F Sfc-Lift cond lev (LCL): 834.27 mb = 1690.87 m = 5547.41 ft T: 13.67 C 700-500 lapse rate: 7.73 C/km ThetaE index: 11.09 C Layer 850.0- 776.0 mb Conv cond level (CCL): 667.26 mb = 3526.73 m = 11570.48 ft Mean mixing ratio: 5.81 g/kg Conv temperature: 28.56 C = 83.41 F Cap Strength: 6.31 C Lifted Index: 1.71 C Risk: Showers probable Lifted Index @300 mb: 4.96 C Lifted Index @700 mb: 4.69 C Showalter Index: 3.32 C Risk: None Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.70 C Cross Totals Index: 14.70 C K Index: 11.70 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 0.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.24 J/kg Max Up Vert Vel: 8.86 m/s Conv Inhibition (B-): 53233.42 J/kg Cap Strength: 6.31 C Lift Cond Lev (LCL): 742.34 mb = 2661.73 m = 8732.61 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 17 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 ---------------------------------------------------------- 0 943 650 110 3 -2.8 1.0 | 115 20 -18.4 8.7 1 925 812 220 7 4.5 5.4 | 140 17 -11.1 13.0 2 850 1534 265 9 9.0 0.8 | 142 11 -6.6 8.5 3 700 3145 250 25 23.5 8.6 | 206 18 7.9 16.2 4 500 5770 280 31 30.5 -5.4 | 261 15 14.9 2.3 5 400 7420 280 42 41.4 -7.3 | 269 26 25.8 0.4 6 300 9420 280 48 47.3 -8.3 | 271 32 31.7 -0.7 7 250 10610 275 62 61.8 -5.4 | 267 46 46.2 2.3 8 203 11945 280 75 73.9 -13.0 | 275 59 58.3 -5.3 9 200 12040 280 75 73.9 -13.0 | 275 59 58.3 -5.3 10 187 12463 285 79 76.3 -20.4 | 282 62 60.7 -12.8 11 150 13850 290 77 72.4 -26.3 | 288 60 56.8 -18.7 12 100 16380 280 73 71.9 -12.7 | 275 57 56.3 -5.0 13 70 18550 275 52 51.8 -4.5 | 265 36 36.2 3.1 14 50 20600 280 44 43.3 -7.6 | 270 28 27.7 0.0 15 30 23750 275 38 37.9 -3.3 | 259 23 22.3 4.4 16 20 26300 290 40 37.6 -13.7 | 285 23 22.0 -6.0 17 10 30810 270 48 48.0 -0.0 | 257 33 32.4 7.7 Wind Parameters Mean winds (0-6000m): 266.2 at 23.2 knts Storm direction: 296.2 at 17.4 knts Shear (0-3000m) pos: 2.6 neg: 2.6 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 99.3 deg Storm rel helicity (0-3000m) pos: 100.1 neg: -0.5 tot: 99.6 m^2/s^2 ave: 33.2 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.85 Bulk Shear: 46.39 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 ------------------------------------------------------------------------------- 500 225 7 139 17| 10.5 0.0 10.5| 47.6 0.0 47.6 95.1 0.73| 13.1 9.6 1000 245 8 142 14| 6.6 0.0 6.6| 50.6 -0.5 50.1 50.1 0.59| 9.0 5.3 1500 252 9 147 12| 4.4 1.7 6.2| 64.0 -0.5 63.4 42.3 0.67| 7.7 5.2 2000 254 11 157 12| 3.3 2.6 5.9| 76.8 -0.5 76.3 38.1 0.70| 7.1 5.0 2500 252 14 168 12| 2.7 3.2 5.8| 87.8 -0.5 87.2 34.9 0.67| 6.8 4.5 3000 252 16 176 12| 2.6 2.6 5.2|100.1 -0.5 99.6 33.2 0.69| 6.1 4.2 4000 256 19 191 12| 2.5 2.0 4.4|124.9 -0.5 124.3 31.1 0.73| 5.4 3.9 5000 261 21 206 12| 2.4 1.6 4.0|150.3 -0.5 149.8 30.0 0.76| 4.9 3.8 6000 266 23 219 12| 2.3 1.5 3.8|161.0 -0.5 160.5 26.7 0.72| 4.7 3.4 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251017.00.gif