UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:1200Z 3 DEC 25 Station: EHDB WMO ident: 6260 Latitude: 52.10 Longitude: 5.18 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1011 4 8.8 6.4 85 2.4 7.6 195 5 281.1 282.1 280.2 297.5 5.96 1 1000 94 7.8 5.8 87 2.0 6.8 210 7 281.0 281.9 279.9 296.8 5.78 2 925 732 2.8 1.9 94 0.9 2.4 225 11 282.2 283.0 279.3 295.4 4.74 3 875 1179 -0.5 -0.5 100 0.0 -0.5 222 11 283.3 284.0 279.1 295.1 4.21 4 872 1206 0.6 -1.8 84 2.4 -0.4 222 11 284.7 285.4 279.4 295.6 3.84 5 857 1345 0.0 -4.8 70 4.8 -1.9 220 11 285.5 286.0 278.8 294.4 3.12 6 850 1411 0.0 -5.0 69 5.0 -2.0 220 11 286.1 286.7 279.1 295.1 3.10 7 808 1816 -2.1 -10.1 54 8.0 -4.9 221 10 288.1 288.5 278.9 294.6 2.19 8 726 2659 -7.1 -10.1 79 3.0 -8.1 224 9 291.6 292.0 280.8 298.8 2.44 9 700 2943 -9.1 -13.9 68 4.8 -10.6 225 9 292.4 292.7 280.5 298.0 1.86 10 698 2965 -9.3 -14.2 67 4.9 -10.8 225 9 292.4 292.7 280.4 298.0 1.82 11 689 3065 -9.7 -19.7 44 10.0 -12.3 224 11 293.1 293.3 279.8 296.7 1.16 12 685 3110 -9.7 -15.7 62 6.0 -11.4 223 11 293.6 293.8 280.7 298.6 1.64 13 641 3620 -12.9 -22.9 43 10.0 -15.2 218 18 295.5 295.7 280.7 298.5 0.95 14 623 3837 -14.5 -18.4 72 3.9 -15.5 216 21 296.1 296.4 281.6 300.6 1.44 15 609 4009 -14.9 -19.7 67 4.8 -16.1 215 23 297.6 297.8 282.1 301.7 1.32 16 588 4273 -17.1 -19.6 81 2.5 -17.7 212 27 298.0 298.3 282.3 302.4 1.37 17 550 4772 -20.1 -30.1 41 10.0 -21.8 207 34 300.2 300.3 282.2 302.1 0.57 18 512 5298 -24.7 -29.6 64 4.9 -25.5 202 42 300.9 301.0 282.6 303.0 0.64 19 503 5427 -25.5 -33.5 47 8.0 -26.6 200 43 301.4 301.5 282.5 302.9 0.45 20 500 5470 -25.5 -39.5 26 14.0 -27.0 200 44 301.9 302.0 282.5 302.8 0.25 21 498 5499 -25.1 -46.1 12 21.0 -27.0 200 44 302.8 302.8 282.7 303.2 0.12 22 495 5543 -24.9 -34.9 39 10.0 -26.2 200 44 303.6 303.6 283.4 304.9 0.40 23 487 5661 -25.7 -37.7 32 12.0 -27.1 201 45 304.0 304.0 283.4 305.0 0.31 24 445 6306 -31.7 -36.5 62 4.8 -32.2 203 47 304.4 304.4 283.7 305.7 0.38 25 440 6386 -31.9 -39.9 45 8.0 -32.6 203 47 305.1 305.1 283.8 306.0 0.27 26 425 6629 -34.1 -40.1 55 6.0 -34.6 204 48 305.3 305.4 283.9 306.3 0.27 27 400 7050 -37.5 -51.5 22 14.0 -38.2 205 50 306.3 306.3 284.0 306.6 0.08 28 391 7207 -38.1 -53.1 19 15.0 -38.8 203 51 307.5 307.5 284.5 307.7 0.07 29 351 7939 -45.1 -53.1 40 8.0 -45.4 191 55 307.7 307.7 284.5 308.0 0.08 30 339 8170 -47.3 -51.0 66 3.7 -47.4 188 57 307.7 307.8 284.6 308.1 0.10 31 334 8268 -47.9 -49.2 86 1.3 -48.0 186 58 308.2 308.3 284.8 308.7 0.13 32 326 8428 -48.5 -54.5 50 6.0 -48.7 184 59 309.5 309.6 285.2 309.8 0.07 33 304 8884 -51.5 -56.5 55 5.0 -51.6 176 61 311.6 311.6 285.9 311.8 0.06 34 300 8970 -51.9 -57.9 48 6.0 -52.0 175 62 312.2 312.2 286.2 312.4 0.05 35 293 9123 -53.1 -58.6 51 5.5 -53.2 170 64 312.6 312.6 286.3 312.8 0.05 36 270 9645 -57.3 -60.9 63 3.6 -57.3 178 63 313.9 313.9 286.8 314.0 0.04 37 263 9811 -57.7 -68.7 23 11.0 -57.8 180 63 315.7 315.7 287.3 315.7 0.01 38 250 10130 -59.1 -67.1 35 8.0 -59.2 185 62 318.2 318.2 288.2 318.3 0.02 39 234 10542 -61.7 -68.7 39 7.0 -61.8 193 54 320.3 320.3 288.9 320.4 0.02 40 229 10676 -62.3 -70.3 33 8.0 -62.4 195 52 321.4 321.4 289.2 321.5 0.01 41 223 10841 -60.3 -74.3 14 14.0 -60.4 197 47 326.9 326.9 290.9 327.0 0.01 42 200 11520 -59.9 -79.9 6 20.0 -60.0 205 29 337.9 337.9 293.8 337.9 0.00 43 183 12076 -57.7 -81.7 3 24.0 -57.9 208 27 350.2 350.2 296.7 350.2 0.00 44 150 13330 -56.9 -82.9 2 26.0 -57.2 215 23 372.0 372.0 300.9 372.1 0.00 45 131 14185 -56.5 -83.5 2 27.0 -56.8 215 24 387.5 387.5 303.4 387.5 0.00 46 100 15880 -59.7 -85.7 2 26.0 -60.0 215 25 412.4 412.4 306.8 412.4 0.00 TRP 229 10676 -62.3 -70.3 33 8.0 -62.4 195 52 321.4 321.4 289.2 321.5 0.01 WND 293 9123 -53.1 -58.6 51 5.5 -53.2 170 64 312.6 312.6 286.3 312.8 0.05 Sounding variables and indices 1000-500 mb thick: 5376.00 m Freezing level: 882.58 mb = 1111.08 m = 3645.23 ft Freezing level: 873.64 mb = 1191.27 m = 3908.32 ft Freezing level: 850.00 mb = 1411.00 m = 4629.21 ft Wetbulb zero: 883.84 mb = 1097.96 m = 3602.18 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 68.21 % Est. max temperature: 13.01 C = 55.41 F Sfc-Lift cond lev (LCL): 974.70 mb = 303.68 m = 996.31 ft T: 6.16 C 700-500 lapse rate: 6.49 C/km ThetaE index: 2.36 C Layer 1000.0- 872.0 mb Conv cond level (CCL): 933.94 mb = 653.33 m = 2143.44 ft Mean mixing ratio: 5.24 g/kg Conv temperature: 9.76 C = 49.57 F Cap Strength: 5.83 C Lifted Index: 6.24 C Risk: None Lifted Index @300 mb: 11.48 C Lifted Index @700 mb: 2.60 C Showalter Index: 6.97 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.50 C K Index: 15.70 Risk: < 20 % chance of thunderstorms Sweat Index: 66.00 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.07 J/kg Max Up Vert Vel: 4.02 m/s Conv Inhibition (B-): 0.81 J/kg Cap Strength: 5.74 C Lift Cond Lev (LCL): 939.71 mb = 602.91 m = 1978.03 ft Lev Free Conv (LFC): 914.71 mb = 821.96 m = 2696.70 ft Equ Level (EL): 874.71 mb = 1181.45 m = 3876.11 ft B at Equ Level: 7.50 J/kg Max Parcel Lev (MPL): 844.71 mb = 1460.90 m = 4792.91 ft Wind level data Storm motion: 237 at 15 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 1011 4 195 5 1.3 4.8 | 74 12 -11.5 -3.4 1 1000 94 210 7 3.5 6.1 | 77 10 -9.3 -2.1 2 925 732 225 11 7.8 7.8 | 85 5 -5.1 -0.4 3 850 1411 220 11 7.1 8.4 | 92 6 -5.8 0.2 4 700 2943 225 9 6.4 6.4 | 74 7 -6.5 -1.8 5 500 5470 200 44 15.0 41.3 | 184 33 2.2 33.2 6 400 7050 205 50 21.1 45.3 | 193 38 8.3 37.1 7 300 8970 175 62 -5.4 61.8 | 161 57 -18.2 53.6 8 293 9123 170 64 -11.1 63.0 | 156 60 -23.9 54.8 9 250 10130 185 62 5.4 61.8 | 172 54 -7.4 53.6 10 229 10676 195 52 13.5 50.2 | 181 42 0.6 42.0 11 200 11520 205 29 12.3 26.3 | 178 18 -0.6 18.1 12 150 13330 215 23 13.2 18.8 | 182 11 0.4 10.7 13 100 15880 215 25 14.3 20.5 | 187 12 1.5 12.3 Wind Parameters Mean winds (0-6000m): 207.5 at 20.3 knts Storm direction: 237.5 at 15.2 knts Shear (0-3000m) pos: 1.1 neg: 0.1 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 5.3 deg Storm rel helicity (0-3000m) pos: 5.8 neg: -3.1 tot: 2.8 m^2/s^2 ave: 0.9 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 1.9 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.39 Bulk Shear: 20.67 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 ------------------------------------------------------------------------------- 500 214 8 79 9| 5.6 0.0 5.6| 3.7 0.0 3.7 7.4 0.27| 5.6 1.5 1000 220 9 81 7| 3.6 0.0 3.6| 4.5 0.0 4.5 4.5 0.27| 3.8 1.0 1500 220 10 84 6| 2.4 0.2 2.6| 5.0 -0.2 4.8 3.2 0.28| 2.8 0.8 2000 221 10 85 6| 1.7 0.1 1.8| 5.0 -1.3 3.8 1.9 0.18| 2.3 0.4 2500 221 10 84 6| 1.2 0.1 1.4| 5.0 -2.3 2.7 1.1 0.10| 2.0 0.2 3000 221 10 83 6| 1.1 0.1 1.2| 5.8 -3.1 2.8 0.9 0.09| 1.9 0.2 4000 220 12 97 5| 0.8 1.8 2.6| 20.6 -3.1 17.5 4.4 0.43| 3.2 1.4 5000 213 16 138 6| 0.7 2.9 3.6| 24.2 -5.5 18.8 3.8 0.28| 4.1 1.2 6000 207 20 161 10| 0.7 3.0 3.8| 39.6 -14.2 25.4 4.2 0.24| 4.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20251203.12.gif