UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for EP374... Searching the city database file for: EP374 ... Date:0000Z 8 DEC 25 Station: EP374 WMO ident: 12374 Latitude: 52.40 Longitude: 20.97 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1005 95 3.2 2.5 95 0.7 2.9 160 3 276.0 276.7 275.8 288.3 4.55 1 1000 135 2.8 2.3 97 0.5 2.6 130 3 276.0 276.7 275.7 288.2 4.51 2 981 290 1.6 1.6 100 0.0 1.6 145 3 276.3 277.0 275.7 288.2 4.37 3 970 381 3.6 3.3 98 0.3 3.5 153 4 279.2 280.0 278.1 292.9 5.00 4 954 517 4.0 2.4 89 1.6 3.2 166 4 280.9 281.7 278.7 294.1 4.77 5 925 768 4.2 0.5 77 3.7 2.5 190 5 283.6 284.3 279.4 295.7 4.28 6 918 830 4.2 0.6 77 3.6 2.5 193 6 284.2 285.0 279.8 296.5 4.35 7 850 1450 -1.5 -1.7 99 0.2 -1.6 220 11 284.6 285.3 279.4 295.8 3.97 8 819 1745 -3.7 -3.7 100 0.0 -3.7 218 11 285.3 285.9 279.3 295.4 3.55 9 810 1833 -2.3 -4.5 85 2.2 -3.2 218 11 287.7 288.3 280.2 297.4 3.38 10 736 2589 -5.9 -11.9 63 6.0 -7.9 213 11 291.7 292.1 280.4 298.0 2.08 11 700 2980 -8.5 -14.5 62 6.0 -10.3 210 11 293.1 293.4 280.7 298.5 1.77 12 699 2991 -8.7 -14.7 62 6.0 -10.5 210 11 293.0 293.3 280.6 298.3 1.75 13 688 3114 -8.5 -20.5 37 12.0 -11.6 211 11 294.5 294.7 280.4 297.9 1.09 14 679 3216 -8.9 -16.9 52 8.0 -11.2 211 12 295.2 295.5 281.3 299.8 1.50 15 601 4152 -14.1 -32.1 20 18.0 -17.3 217 14 299.7 299.7 281.8 301.1 0.43 16 596 4215 -14.3 -31.3 22 17.0 -17.3 217 14 300.1 300.2 282.1 301.7 0.47 17 546 4872 -19.9 -29.9 41 10.0 -21.6 221 15 301.1 301.2 282.6 303.0 0.59 18 505 5447 -23.7 -40.7 19 17.0 -25.6 225 17 303.3 303.3 283.0 304.0 0.22 19 500 5520 -24.3 -40.3 21 16.0 -26.1 225 17 303.4 303.5 283.1 304.2 0.23 20 422 6729 -34.5 -46.5 29 12.0 -35.3 236 19 305.4 305.5 283.8 305.9 0.14 21 400 7100 -37.5 -50.5 25 13.0 -38.2 240 19 306.3 306.3 284.0 306.6 0.09 22 394 7204 -38.3 -51.3 24 13.0 -38.9 306.5 306.6 284.1 306.9 0.09 23 352 7976 -40.5 -63.5 7 23.0 -41.2 313.6 313.6 286.6 313.7 0.02 24 309 8853 -46.3 -68.3 6 22.0 -46.7 317.4 317.4 287.9 317.5 0.01 TRP WND Sounding variables and indices 1000-500 mb thick: 5385.00 m Freezing level: 867.89 mb = 1286.80 m = 4221.74 ft Wetbulb zero: 876.20 mb = 1205.38 m = 3954.62 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 59.02 % Est. max temperature: 11.81 C = 53.25 F Sfc-Lift cond lev (LCL): 994.16 mb = 182.36 m = 598.28 ft T: 2.43 C 700-500 lapse rate: 6.22 C/km ThetaE index: 1.07 C Layer 850.0- 810.0 mb Conv cond level (CCL): 991.39 mb = 204.92 m = 672.31 ft Mean mixing ratio: 4.54 g/kg Conv temperature: 3.33 C = 38.00 F Cap Strength: 9.71 C Lifted Index: 9.72 C Risk: None Lifted Index @700 mb: 5.19 C Showalter Index: 7.61 C Risk: None Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.80 C Cross Totals Index: 22.60 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 39.00 Risk: None Energy Index: 1.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.12 J/kg Max Up Vert Vel: 8.96 m/s Conv Inhibition (B-): 2663.71 J/kg Cap Strength: 9.62 C Lift Cond Lev (LCL): 928.31 mb = 738.89 m = 2424.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 247 at 9 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 1005 95 160 3 -1.0 2.8 | 86 9 -9.2 -0.6 1 1000 135 130 3 -2.3 1.9 | 82 11 -10.5 -1.5 2 925 768 190 5 0.9 4.9 | 102 7 -7.3 1.5 3 850 1450 220 11 7.1 8.4 | 167 5 -1.1 5.0 4 700 2980 210 11 5.5 9.5 | 156 7 -2.7 6.1 5 500 5520 225 17 12.0 12.0 | 204 9 3.8 8.6 6 400 7100 240 19 16.5 9.5 | 234 10 8.3 6.1 Wind Parameters Mean winds (0-6000m): 217.3 at 11.8 knts Storm direction: 247.3 at 8.9 knts Shear (0-3000m) pos: 1.7 neg: 0.3 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 72.4 deg Storm rel helicity (0-3000m) pos: 18.8 neg: -2.8 tot: 16.1 m^2/s^2 ave: 5.4 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.69 Bulk Shear: 14.91 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 ------------------------------------------------------------------------------- 500 155 4 89 10| 1.7 0.0 1.7| 5.6 -1.1 4.5 9.0 0.42| 4.3 1.8 1000 182 5 99 8| 3.1 0.0 3.1| 12.7 -1.1 11.6 11.6 0.62| 4.6 2.8 1500 202 6 114 6| 3.4 0.0 3.4| 18.4 -1.2 17.2 11.4 0.72| 4.5 3.2 2000 208 8 125 6| 2.5 0.2 2.7| 18.4 -1.8 16.6 8.3 0.66| 3.5 2.3 2500 210 8 133 6| 2.0 0.3 2.3| 18.4 -2.4 16.0 6.4 0.60| 2.9 1.8 3000 210 9 138 6| 1.7 0.3 2.0| 18.8 -2.8 16.1 5.4 0.57| 2.6 1.5 4000 211 10 147 6| 1.6 0.2 1.8| 23.7 -2.8 20.9 5.2 0.63| 2.3 1.4 5000 214 11 158 6| 1.6 0.2 1.7| 29.1 -2.8 26.3 5.3 0.67| 2.1 1.4 6000 217 12 170 6| 1.5 0.1 1.6| 36.1 -2.8 33.3 5.6 0.70| 2.0 1.4 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20251208.00.gif