UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 13 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 122 SFC 938 647 7.0 5.2 88 1.8 6.1 270 3 285.3 286.4 282.1 301.9 5.91 2 931 708 9.6 7.2 85 2.4 8.3 235 5 288.6 289.8 284.5 307.9 6.85 3 925 762 10.2 7.4 83 2.8 8.6 205 7 289.7 291.0 285.2 309.6 6.99 4 921 798 10.6 7.4 81 3.2 8.8 207 7 290.5 291.8 285.5 310.5 7.02 5 862 1347 7.2 -1.8 53 9.0 3.1 238 9 292.5 293.2 283.0 303.9 3.88 6 850 1462 6.4 -1.6 57 8.0 2.7 245 9 292.9 293.6 283.2 304.6 4.00 7 723 2771 -1.9 -1.9 100 0.0 -1.9 245 38 297.6 298.5 285.8 311.3 4.60 8 700 3027 -3.9 -3.9 100 0.0 -3.9 245 44 298.2 298.9 285.5 310.4 4.09 9 643 3692 -8.3 -8.3 100 0.0 -8.3 241 50 300.5 301.1 285.4 310.2 3.18 10 639 3740 -6.1 -6.1 100 0.0 -6.1 241 51 303.5 304.2 287.1 315.2 3.79 11 629 3863 -9.9 -9.9 100 0.0 -9.9 240 52 300.6 301.1 285.1 309.4 2.86 12 592 4328 -12.5 -12.5 100 0.0 -12.5 238 56 302.8 303.3 285.5 310.5 2.47 13 561 4735 -17.3 -17.3 100 0.0 -17.3 235 60 301.8 302.2 284.3 307.4 1.75 14 500 5590 -21.9 -24.4 80 2.5 -22.4 230 69 306.3 306.5 285.2 309.8 1.06 15 449 6376 -26.7 -29.6 76 2.9 -27.2 235 66 309.9 310.0 286.2 312.4 0.73 16 400 7200 -33.5 -36.5 74 3.0 -33.8 240 62 311.4 311.5 286.4 312.9 0.42 17 300 9150 -49.7 -54.0 60 4.3 -49.8 240 75 315.3 315.3 287.3 315.6 0.08 18 250 10310 -60.1 -66.1 45 6.0 -60.2 240 83 316.7 316.7 287.7 316.8 0.02 19 236 10667 -63.6 -69.6 44 6.0 -63.7 240 87 316.7 316.7 287.7 316.7 0.01 20 231 10798 -64.9 -70.9 43 6.0 -65.0 242 84 316.7 316.7 287.6 316.7 0.01 21 222 11040 -65.7 -71.7 43 6.0 -65.7 245 79 319.0 319.1 288.5 319.1 0.01 22 211 11351 -63.1 -68.1 51 5.0 -63.1 238 74 327.8 327.8 291.1 327.9 0.02 23 200 11680 -63.3 -68.3 51 5.0 -63.3 230 69 332.5 332.5 292.4 332.6 0.02 24 150 13450 -64.5 -70.5 43 6.0 -64.6 245 50 359.0 359.0 298.5 359.1 0.02 25 124 14615 -62.7 -69.7 38 7.0 -62.8 254 46 382.3 382.3 302.6 382.4 0.03 26 100 15930 -65.5 -73.5 32 8.0 -65.6 265 42 401.2 401.2 305.4 401.3 0.02 27 70 18090 -67.9 -78.9 19 11.0 -68.0 260 50 439.1 439.1 309.8 439.2 0.01 28 64 18630 -68.5 -80.5 16 12.0 -68.7 267 50 449.2 449.2 310.8 449.3 0.01 29 53 19768 -66.9 -80.9 12 14.0 -67.1 281 50 477.8 477.8 313.3 477.9 0.01 30 50 20120 -68.3 -83.3 10 15.0 -68.5 285 50 482.5 482.5 313.7 482.6 0.01 31 46 20619 -69.7 -85.7 8 16.0 -69.9 490.8 490.8 314.3 490.8 0.01 32 37 21926 -66.5 -85.5 5 19.0 -66.8 530.6 530.6 316.9 530.6 0.01 TRP 222 11040 -65.7 -71.7 43 6.0 -65.7 245 79 319.0 319.1 288.5 319.1 0.01 WND 236 10667 -63.6 -69.6 44 6.0 -63.7 240 87 316.7 316.7 287.7 316.7 0.01 Sounding variables and indices 1000-500 mb thick: 5468.00 m Freezing level: 752.07 mb = 2470.98 m = 8106.80 ft Wetbulb zero: 775.51 mb = 2203.62 m = 7229.65 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 87.62 % Est. max temperature: 16.60 C = 61.88 F Sfc-Lift cond lev (LCL): 912.48 mb = 875.10 m = 2871.04 ft T: 10.12 C 700-500 lapse rate: 7.02 C/km ThetaE index: 6.60 C Layer 862.0- 850.0 mb Conv cond level (CCL): 760.08 mb = 2366.08 m = 7762.63 ft Mean mixing ratio: 5.29 g/kg Conv temperature: 17.64 C = 63.76 F Cap Strength: 4.49 C Lifted Index: 2.57 C Risk: None Lifted Index @300 mb: 6.33 C Lifted Index @700 mb: 1.94 C Showalter Index: 3.92 C Risk: None Total Totals Index: 48.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.30 C Cross Totals Index: 20.30 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 87.00 Risk: None Energy Index: 1.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.78 J/kg Max Up Vert Vel: 5.44 m/s Conv Inhibition (B-): 23262.68 J/kg Cap Strength: 3.24 C Lift Cond Lev (LCL): 814.77 mb = 1804.24 m = 5919.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 266 at 33 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 ---------------------------------------------------------- 0 938 647 270 3 3.0 -0.0 | 86 30 -30.3 -2.2 1 925 762 205 7 3.0 6.3 | 98 31 -30.4 4.2 2 850 1462 245 9 8.2 3.8 | 94 25 -25.2 1.7 3 700 3027 245 44 39.9 18.6 | 202 18 6.5 16.4 4 500 5590 230 69 52.9 44.4 | 205 46 19.5 42.2 5 400 7200 240 62 53.7 31.0 | 215 35 20.4 28.8 6 300 9150 240 75 65.0 37.5 | 222 47 31.6 35.3 7 250 10310 240 83 71.9 41.5 | 224 55 38.5 39.3 8 236 10667 240 87 75.3 43.5 | 225 59 42.0 41.3 9 222 11040 245 79 71.6 33.4 | 231 49 38.3 31.2 10 200 11680 230 69 52.9 44.4 | 205 46 19.5 42.2 11 150 13450 245 50 45.3 21.1 | 212 22 12.0 19.0 12 100 15930 265 42 41.8 3.7 | 260 9 8.5 1.5 13 70 18090 260 50 49.2 8.7 | 248 17 15.9 6.5 14 50 20120 285 50 48.3 -12.9 | 315 21 15.0 -15.1 Wind Parameters Mean winds (0-6000m): 236.3 at 44.5 knts Storm direction: 266.3 at 33.4 knts Shear (0-3000m) pos: 1.0 neg: 7.3 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 120.0 deg Storm rel helicity (0-3000m) pos: 169.9 neg: -13.1 tot: 156.8 m^2/s^2 ave: 52.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 5.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 191.16 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 ------------------------------------------------------------------------------- 500 218 7 97 29| 0.0 6.4 6.4| 50.0 -3.3 46.6 93.3 0.67| 9.0 6.0 1000 232 8 96 27| 3.1 3.2 6.3| 62.7 -13.1 49.6 49.6 0.42| 8.0 3.3 1500 239 12 99 24| 2.1 5.7 7.7| 98.6 -13.1 85.5 57.0 0.54| 9.2 4.9 2000 242 16 106 20| 1.5 7.1 8.6|134.5 -13.1 121.4 60.7 0.66| 9.8 6.5 2500 243 21 117 16| 1.2 7.7 8.9|163.7 -13.1 150.6 60.2 0.68| 9.8 6.7 3000 243 25 131 14| 1.0 7.3 8.3|169.9 -13.1 156.8 52.3 0.63| 9.1 5.8 4000 241 33 162 15| 0.8 6.8 7.5|173.2 -14.1 159.2 39.8 0.53| 8.3 4.4 5000 237 40 181 19| 0.6 6.4 7.0|175.5 -28.2 147.2 29.4 0.44| 7.7 3.4 6000 236 45 189 23| 0.9 5.3 6.2|228.3 -28.2 200.0 33.3 0.45| 7.2 3.2 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251213.00.gif