UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 21 APR 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 187 SFC 945 650 4.6 2.8 88 1.8 3.7 265 3 282.3 283.1 279.6 296.0 4.95 2 939 702 1.6 -13.4 32 15.0 -3.0 246 4 279.7 280.0 273.4 283.9 1.45 3 936 728 5.8 -8.2 36 14.0 0.5 236 4 284.3 284.7 277.0 290.7 2.20 4 935 737 8.4 -4.6 39 13.0 2.9 233 4 287.0 287.5 279.3 295.4 2.90 5 925 826 9.6 -2.4 43 12.0 4.2 200 5 289.1 289.7 281.0 299.2 3.46 6 912 944 12.0 0.0 44 12.0 6.2 213 8 292.8 293.5 283.4 305.0 4.19 7 897 1083 11.2 1.2 50 10.0 6.2 229 12 293.3 294.2 284.1 306.9 4.65 8 895 1101 11.2 7.3 77 3.9 9.0 231 12 293.5 294.8 286.8 314.2 7.18 9 882 1223 10.2 5.8 74 4.4 7.8 245 15 293.7 294.9 286.3 312.7 6.56 10 864 1394 8.0 -5.0 39 13.0 2.4 265 20 293.2 293.7 282.3 302.2 3.05 11 850 1528 5.8 -2.2 56 8.0 2.2 280 23 292.2 292.9 282.8 303.4 3.82 12 846 1567 5.6 -1.4 61 7.0 2.4 277 23 292.4 293.1 283.1 304.3 4.08 13 842 1605 3.6 -0.7 73 4.3 1.6 274 23 290.7 291.5 282.7 303.2 4.31 14 841 1615 3.6 -14.4 25 18.0 -2.4 273 23 290.8 291.1 279.2 295.3 1.49 15 839 1634 3.0 -15.0 25 18.0 -2.9 272 23 290.4 290.6 278.9 294.7 1.42 16 838 1644 3.0 0.6 84 2.4 1.8 271 23 290.5 291.3 283.1 304.2 4.77 17 836 1663 2.2 -0.1 85 2.3 1.1 269 23 289.8 290.6 282.5 302.9 4.54 18 835 1673 2.2 -17.8 21 20.0 -3.8 269 23 289.9 290.1 278.3 293.4 1.13 19 834 1682 1.4 -18.6 21 20.0 -4.4 268 23 289.2 289.4 277.9 292.4 1.06 20 833 1692 -0.9 -3.3 84 2.4 -1.9 267 23 286.9 287.5 280.1 297.2 3.59 21 832 1702 0.0 -3.9 75 3.9 -1.6 266 23 287.9 288.5 280.4 297.8 3.44 22 831 1711 -2.7 -4.9 85 2.2 -3.6 265 23 285.2 285.7 278.7 294.3 3.19 23 830 1721 -3.3 -5.5 85 2.2 -4.1 265 23 284.6 285.1 278.3 293.4 3.05 24 825 1768 -4.9 -7.2 84 2.3 -5.7 261 23 283.4 283.9 277.2 291.1 2.70 25 804 1970 -7.3 -9.5 84 2.2 -8.0 244 23 283.0 283.4 276.5 289.6 2.31 26 784 2167 -7.1 -13.1 62 6.0 -8.9 228 23 285.2 285.5 276.9 290.5 1.78 27 745 2563 -9.1 -17.1 52 8.0 -11.2 195 23 287.2 287.5 277.3 291.3 1.34 28 700 3043 -11.9 -19.9 51 8.0 -13.8 155 23 289.3 289.5 278.0 292.8 1.12 29 587 4371 -19.5 -27.5 49 8.0 -20.9 142 16 295.4 295.5 280.3 297.6 0.68 30 585 4396 -19.5 -22.0 80 2.5 -20.0 142 16 295.7 295.9 281.0 299.2 1.12 31 567 4627 -20.9 -23.4 80 2.5 -21.4 139 14 296.7 296.9 281.3 299.9 1.02 32 549 4864 -24.7 -26.7 83 2.0 -25.0 137 13 294.9 295.1 280.2 297.4 0.78 33 500 5540 -27.9 -30.0 82 2.1 -28.2 130 9 299.0 299.1 281.8 301.1 0.63 34 447 6339 -32.1 -34.3 81 2.2 -32.3 150 11 303.5 303.6 283.4 305.1 0.47 35 400 7120 -34.3 -36.5 80 2.2 -34.6 170 13 310.4 310.5 286.0 311.9 0.42 36 397 7172 -34.5 -36.7 80 2.2 -34.7 171 13 310.8 310.9 286.1 312.3 0.41 37 388 7332 -35.1 -38.6 70 3.5 -35.4 173 14 312.1 312.1 286.5 313.3 0.35 38 346 8114 -43.1 -49.1 52 6.0 -43.4 185 20 311.6 311.7 286.1 312.1 0.13 39 303 8986 -52.9 -57.2 59 4.3 -53.0 199 27 309.9 309.9 285.4 310.1 0.06 40 300 9050 -53.1 -57.4 59 4.3 -53.2 200 27 310.5 310.5 285.6 310.7 0.05 41 270 9727 -56.9 -60.9 60 4.0 -57.0 205 21 314.5 314.5 286.9 314.6 0.04 42 250 10220 -54.7 -58.7 61 4.0 -54.8 220 23 324.7 324.8 290.3 325.0 0.06 43 222 10980 -52.3 -56.4 61 4.1 -52.4 233 26 339.7 339.7 294.3 340.0 0.08 44 200 11650 -53.9 -58.1 60 4.2 -54.0 245 29 347.4 347.4 296.1 347.7 0.07 45 150 13490 -56.9 -60.8 61 3.9 -57.0 260 40 372.0 372.1 301.0 372.4 0.07 46 120 14891 -60.1 -64.0 60 3.9 -60.2 268 32 390.7 390.7 303.9 391.0 0.06 47 100 16030 -59.3 -63.3 60 4.0 -59.5 275 25 413.2 413.2 306.9 413.5 0.08 48 70 18260 -61.9 -67.9 45 6.0 -62.1 265 27 452.0 452.0 311.1 452.3 0.06 49 69 18349 -61.9 -67.9 45 6.0 -62.1 266 26 453.8 453.8 311.3 454.2 0.06 50 52 20130 -55.7 -61.7 47 6.0 -56.2 283 15 506.5 506.6 315.5 507.6 0.18 51 50 20380 -55.9 -62.9 41 7.0 -56.5 285 13 511.7 511.8 315.8 512.8 0.16 52 35 22647 -56.1 -63.1 41 7.0 -56.8 271 12 566.2 566.3 319.0 567.8 0.23 53 32 23222 -51.7 -58.7 43 7.0 -52.9 268 11 592.7 592.8 320.4 595.8 0.43 54 30 23640 -52.3 -59.3 43 7.0 -53.5 265 11 602.1 602.2 320.9 605.3 0.43 55 27 24320 -53.3 -60.3 42 7.0 -54.5 617.7 617.8 321.5 620.9 0.42 56 21 25960 -47.5 -56.5 35 9.0 -50.1 681.2 681.6 324.0 688.5 0.87 TRP 270 9727 -56.9 -60.9 60 4.0 -57.0 205 21 314.5 314.5 286.9 314.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5353.00 m Freezing level: 833.39 mb = 1688.26 m = 5538.83 ft Freezing level: 832.00 mb = 1701.62 m = 5582.69 ft Freezing level: 832.00 mb = 1701.62 m = 5582.69 ft Wetbulb zero: 941.68 mb = 678.50 m = 2226.04 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 62.22 % Est. max temperature: 6.27 C = 43.28 F Sfc-Lift cond lev (LCL): 919.09 mb = 879.42 m = 2885.20 ft T: 10.69 C 700-500 lapse rate: 6.41 C/km ThetaE index: 12.10 C Layer 939.0- 936.0 mb Conv cond level (CCL): 833.02 mb = 1691.79 m = 5550.44 ft Mean mixing ratio: 4.32 g/kg Conv temperature: 9.16 C = 48.48 F Cap Strength: -1.99 C Lifted Index: -1.55 C Risk: Thunderstorms probable Lifted Index @300 mb: 4.89 C Lifted Index @700 mb: -4.60 C Showalter Index: -1.32 C Risk: Thunderstorms probable Total Totals Index: 59.40 C Risk: Severe Thunderstorms probable Vertical Totals Index: 33.70 C Cross Totals Index: 25.70 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 263.00 Risk: None Energy Index: -0.64 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 653.04 J/kg Max Up Vert Vel: 36.14 m/s Conv Inhibition (B-): 39.08 J/kg Cap Strength: 2.33 C Lift Cond Lev (LCL): 781.07 mb = 2195.83 m = 7204.07 ft Lev Free Conv (LFC): 776.07 mb = 2245.73 m = 7367.80 ft Equ Level (EL): 466.07 mb = 6040.87 m = 19818.90 ft B at Equ Level: 652.49 J/kg Max Parcel Lev (MPL): 286.07 mb = 9355.65 m = 30694.03 ft Wind level data Storm motion: 200 at 12 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 ---------------------------------------------------------- 0 945 650 265 3 3.0 0.3 | 6 11 -1.1 -11.1 1 925 826 200 5 1.7 4.7 | 20 7 -2.4 -6.7 2 850 1528 280 23 22.7 -4.0 | 310 24 18.5 -15.3 3 700 3043 155 23 -9.7 20.8 | 124 17 -13.9 9.5 4 500 5540 130 9 -6.9 5.8 | 63 12 -11.0 -5.6 5 400 7120 170 13 -2.3 12.8 | 103 7 -6.4 1.4 6 300 9050 200 27 9.2 25.4 | 200 15 5.1 14.0 7 270 9727 205 21 8.9 19.0 | 212 9 4.7 7.7 8 250 10220 220 23 14.8 17.6 | 240 12 10.6 6.3 9 200 11650 245 29 26.3 12.3 | 268 22 22.1 0.9 10 150 13490 260 40 39.4 6.9 | 277 36 35.3 -4.4 11 100 16030 275 25 24.9 -2.2 | 303 25 20.8 -13.5 12 70 18260 265 27 26.9 2.4 | 292 24 22.8 -9.0 13 50 20380 285 13 12.6 -3.4 | 330 17 8.4 -14.7 14 30 23640 265 11 11.0 1.0 | 327 12 6.8 -10.4 Wind Parameters Mean winds (0-6000m): 170.0 at 16.1 knts Storm direction: 200.0 at 12.1 knts Shear (0-3000m) pos: 2.4 neg: 5.9 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 105.0 deg Storm rel helicity (0-3000m) pos: 20.5 neg: -203.5 tot: -183.0 m^2/s^2 ave: -61.0 10^-3 m/s^2 rel: -0.61 Storm rel vorticity (0-3000m) horiz: 14.5 stream: -8.9 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 27.02 Bulk Shear: 24.17 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 ------------------------------------------------------------------------------- 500 226 7 350 6| 0.0 11.1 11.1| 3.2 -10.2 -7.0 -14.0 -0.39| 15.2 -6.0 1000 268 13 320 14| 7.1 5.5 12.7| 20.5 -28.7 -8.3 -8.3 -0.17| 17.6 -2.9 1500 259 17 304 15| 4.8 7.6 12.4| 20.5 -95.4 -74.9 -49.9 -0.39| 17.4 -6.9 2000 244 18 285 13| 3.6 8.2 11.8| 20.5-144.5-124.1 -62.0 -0.54| 17.3 -9.3 2500 228 19 262 10| 2.9 7.5 10.4| 20.5-190.4-170.0 -68.0 -0.60| 16.7-10.0 3000 208 20 220 8| 2.4 5.9 8.3| 20.5-203.5-183.0 -61.0 -0.61| 14.5 -8.9 4000 185 19 161 8| 1.8 3.8 5.6| 20.5-226.2-205.8 -51.4 -0.64| 11.7 -7.4 5000 175 17 136 8| 1.4 2.6 4.0| 21.7-243.7-222.0 -44.4 -0.65| 9.9 -6.4 6000 170 16 123 8| 1.2 2.2 3.4| 32.6-243.7-211.1 -35.2 -0.58| 8.7 -5.0 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20250421.00.gif