UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110412.upa.cvt Date: 1200Z 4 NOV 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 4 NOV 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 197 SFC 946 647 5.0 0.0 70 5.0 2.8 270 38 282.6 283.3 278.6 293.9 4.04 2 925 828 3.4 -1.6 70 5.0 1.3 250 40 282.8 283.4 278.2 293.1 3.67 3 910 960 2.2 -3.8 64 6.0 -0.2 248 40 282.9 283.4 277.6 291.9 3.17 4 899 1059 3.6 -5.4 52 9.0 0.0 247 40 285.3 285.8 278.4 293.5 2.84 5 850 1511 1.0 -9.0 47 10.0 -2.6 240 40 287.2 287.6 278.6 293.9 2.27 6 766 2337 -5.5 -10.3 69 4.8 -7.1 240 36 288.9 289.3 279.4 295.6 2.28 7 700 3035 -12.1 -16.0 73 3.9 -13.2 240 33 289.1 289.4 278.5 293.8 1.57 8 615 4007 -20.9 -22.9 84 2.0 -21.3 236 43 289.9 290.1 278.1 292.9 0.99 9 601 4177 -21.3 -23.3 84 2.0 -21.7 235 44 291.3 291.5 278.8 294.4 0.97 10 532 5061 -29.9 -32.5 78 2.6 -30.2 232 53 291.4 291.5 278.1 292.9 0.47 11 500 5500 -32.7 -35.3 78 2.6 -33.0 230 58 293.2 293.2 278.8 294.4 0.38 12 465 6009 -36.9 -40.0 73 3.1 -37.1 232 57 294.1 294.1 279.0 294.9 0.25 13 400 7050 -39.5 -44.3 60 4.8 -39.8 235 56 303.7 303.7 283.1 304.3 0.19 14 398 7084 -39.7 -44.6 59 4.9 -40.0 235 56 303.8 303.9 283.2 304.5 0.18 15 300 8960 -52.9 -60.9 37 8.0 -53.1 245 44 310.8 310.8 285.7 310.9 0.04 16 278 9445 -56.1 -64.1 36 8.0 -56.2 240 38 313.0 313.0 286.4 313.1 0.02 17 250 10120 -53.7 -61.7 37 8.0 -53.9 255 40 326.2 326.2 290.7 326.4 0.04 18 200 11560 -52.5 -60.5 37 8.0 -52.7 265 42 349.6 349.6 296.6 349.9 0.06 19 150 13400 -56.7 -66.7 27 10.0 -56.9 265 48 372.4 372.4 301.0 372.5 0.03 20 140 13837 -57.7 -67.7 27 10.0 -57.9 266 48 378.1 378.1 301.9 378.2 0.03 21 100 15960 -58.1 -72.1 15 14.0 -58.4 270 46 415.5 415.5 307.2 415.6 0.02 22 70 18190 -62.1 -90.1 1 28.0 -62.4 275 42 451.5 451.5 311.0 451.5 0.00 23 64 18742 -63.1 -92.1 1 29.0 -63.4 270 43 461.1 461.1 311.8 461.1 0.00 24 59 19245 -60.5 -90.5 1 30.0 -61.0 265 44 477.8 477.8 313.2 477.8 0.00 25 50 20270 -62.9 -91.9 1 29.0 -63.3 255 46 495.3 495.3 314.6 495.3 0.00 26 49 20394 -63.1 -92.1 1 29.0 -63.5 255 46 497.7 497.7 314.8 497.7 0.00 27 45 20921 -59.5 -89.5 1 30.0 -60.2 257 47 518.7 518.7 316.2 518.7 0.00 28 40 21649 -64.1 -93.1 1 29.0 -64.6 259 49 524.9 524.9 316.6 524.9 0.00 29 35 22475 -59.1 -89.1 1 30.0 -60.0 262 50 558.4 558.4 318.6 558.4 0.00 30 30 23430 -63.5 -92.5 1 29.0 -64.1 265 52 571.5 571.5 319.2 571.5 0.00 31 26 24322 -56.7 -87.7 1 31.0 -58.2 267 55 614.7 614.7 321.3 614.8 0.01 32 21 25664 -60.1 -90.1 1 30.0 -61.3 269 59 643.2 643.2 322.4 643.2 0.01 33 20 25970 -58.1 -89.1 1 31.0 -59.7 270 60 658.3 658.3 323.0 658.4 0.01 34 18 26638 -55.7 -86.7 1 31.0 -57.9 270 72 686.0 686.0 324.0 686.1 0.01 35 16 27386 -57.5 -88.5 1 31.0 -59.6 270 85 703.7 703.7 324.6 703.7 0.01 36 15 27801 -50.1 -83.1 1 33.0 -54.3 270 92 741.4 741.4 325.7 741.6 0.03 37 14 28257 -45.1 -80.1 1 35.0 -51.4 270 100 773.1 773.1 326.5 773.5 0.05 38 13 28754 -43.6 -79.0 1 35.4 -50.8 270 108 795.0 795.0 327.1 795.6 0.06 39 10 30540 -38.1 -75.1 1 37.0 -49.3 260 79 877.3 877.4 329.0 878.9 0.14 40 9.3 31041 -36.7 -74.7 1 38.0 -49.1 901.1 901.1 329.5 902.9 0.16 41 8.3 31825 -38.9 -75.9 1 37.0 -50.6 922.2 922.3 329.9 923.9 0.15 TRP 278 9445 -56.1 -64.1 36 8.0 -56.2 240 38 313.0 313.0 286.4 313.1 0.02 WND 13 28754 -43.6 -79.0 1 35.4 -50.8 270 108 795.0 795.0 327.1 795.6 0.06 Sounding variables and indices 1000-500 mb thick: 5303.00 m Freezing level: 837.08 mb = 1638.08 m = 5374.22 ft Wetbulb zero: 912.20 mb = 940.71 m = 3086.28 ft Precipitable water: 0.34 inches Sfc-500 mean rel hum: 71.08 % Est. max temperature: 10.57 C = 51.02 F Sfc-Lift cond lev (LCL): 875.82 mb = 1269.42 m = 4164.70 ft T: 2.39 C 700-500 lapse rate: 8.36 C/km ThetaE index: 2.66 C Layer 700.0- 601.0 mb Conv cond level (CCL): 748.60 mb = 2515.05 m = 8251.38 ft Mean mixing ratio: 2.98 g/kg Conv temperature: 11.23 C = 52.22 F Cap Strength: 3.22 C Lifted Index: 1.00 C Risk: Showers probable Lifted Index @300 mb: 12.38 C Lifted Index @700 mb: 1.30 C Showalter Index: 0.65 C Risk: Thunderstorms probable Total Totals Index: 57.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 33.70 C Cross Totals Index: 23.70 C K Index: 20.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 306.00 Risk: Showers and thunderstorms possible Energy Index: 0.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.27 J/kg Max Up Vert Vel: 7.11 m/s Conv Inhibition (B-): 56873.57 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 794.82 mb = 2043.80 m = 6705.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 34 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 ---------------------------------------------------------- 0 946 647 270 38 38.0 -0.0 | 297 5 4.4 -2.3 1 925 828 250 40 37.6 13.7 | 199 12 4.0 11.4 2 850 1511 240 40 34.6 20.0 | 183 18 1.0 17.7 3 700 3035 240 33 28.6 16.5 | 161 15 -5.0 14.2 4 500 5500 230 58 44.4 37.3 | 197 37 10.8 35.0 5 400 7050 235 56 45.9 32.1 | 202 32 12.3 29.8 6 300 8960 245 44 39.9 18.6 | 201 17 6.3 16.3 7 278 9445 240 38 32.9 19.0 | 178 17 -0.7 16.7 8 250 10120 255 40 38.6 10.4 | 212 10 5.0 8.1 9 200 11560 265 42 41.8 3.7 | 261 8 8.2 1.4 10 150 13400 265 48 47.8 4.2 | 262 14 14.2 1.9 11 100 15960 270 46 46.0 -0.0 | 280 13 12.4 -2.3 12 70 18190 275 42 41.8 -3.7 | 306 10 8.2 -5.9 13 50 20270 255 46 44.4 11.9 | 228 14 10.8 9.6 14 30 23430 265 52 51.8 4.5 | 263 18 18.2 2.2 15 20 25970 270 60 60.0 -0.0 | 275 26 26.4 -2.3 16 13 28754 270 108 108.0 -0.0 | 272 74 74.4 -2.3 17 10 30540 260 79 77.8 13.7 | 255 46 44.2 11.4 Wind Parameters Mean winds (0-6000m): 236.1 at 44.9 knts Storm direction: 266.1 at 33.7 knts Shear (0-3000m) pos: 0.0 neg: 3.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -119.1 deg Storm rel helicity (0-3000m) pos: 22.4 neg: -60.7 tot: -38.4 m^2/s^2 ave: -12.8 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 5.9 stream: -2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.17 Bulk Shear: 21.65 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 ------------------------------------------------------------------------------- 500 252 40 202 11| 0.0 17.3 17.3| 0.0 -24.7 -24.7 -49.5 -0.77| 18.2-14.1 1000 247 40 193 14| 0.0 10.3 10.3| 0.0 -36.1 -36.1 -36.1 -0.74| 11.3 -8.4 1500 245 39 187 15| 0.0 6.7 6.7| 0.0 -45.1 -45.1 -30.1 -0.76| 8.3 -6.3 2000 244 38 183 15| 0.0 4.9 4.9| 0.0 -54.2 -54.2 -27.1 -0.77| 6.8 -5.3 2500 243 37 179 15| 0.0 4.0 4.0| 3.8 -60.7 -56.9 -22.8 -0.72| 6.0 -4.4 3000 242 37 178 15| 0.0 3.7 3.7| 22.4 -60.7 -38.4 -12.8 -0.49| 5.9 -2.9 4000 240 39 181 17| 0.0 3.8 3.8| 55.5 -60.7 -5.2 -1.3 -0.26| 5.8 -1.5 5000 237 42 185 21| 0.0 3.8 3.8| 79.6 -60.7 18.9 3.8 -0.16| 5.6 -0.9 6000 236 45 189 23| 0.3 3.2 3.5| 98.1 -60.7 37.4 6.2 -0.12| 5.0 -0.6 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251104.12.gif