UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120223.upa.cvt Date: 2300Z 2 DEC 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 2 DEC 25 Station: EG918 WMO ident: 3918 Latitude: 54.50 Longitude: -6.34 ------------------------------------------------------------------------------- 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 -8 SFC 997 16 3.8 2.5 91 1.3 3.2 277.2 278.0 276.5 289.7 4.59 2 992 57 4.6 2.5 86 2.1 3.7 278.4 279.2 277.2 291.0 4.61 3 981 148 4.4 2.4 87 2.0 3.5 279.1 279.9 277.6 291.8 4.63 4 968 257 6.6 -0.4 61 7.0 3.5 282.4 283.0 278.2 293.1 3.83 5 925 628 3.6 -0.4 75 4.0 1.8 215 19 283.0 283.7 278.7 294.3 4.01 6 886 976 0.6 -1.9 83 2.5 -0.4 207 23 283.4 284.0 278.6 294.0 3.75 7 869 1131 -0.5 -3.3 81 2.8 -1.6 204 24 283.8 284.4 278.4 293.6 3.44 8 850 1308 -0.9 -6.9 64 6.0 -3.1 200 26 285.2 285.7 278.1 292.9 2.68 9 833 1469 -1.7 -8.7 59 7.0 -4.2 201 26 286.0 286.4 278.1 292.9 2.37 10 832 1479 -1.7 -8.7 59 7.0 -4.2 201 26 286.1 286.5 278.2 293.0 2.38 11 822 1575 -1.9 -12.9 43 11.0 -5.4 201 26 286.9 287.2 277.6 292.0 1.72 12 758 2212 -7.5 -12.2 69 4.7 -8.9 203 25 287.6 287.9 278.3 293.4 1.98 13 707 2751 -11.3 -20.3 47 9.0 -13.5 205 24 289.1 289.3 277.9 292.5 1.08 14 700 2827 -11.9 -18.9 56 7.0 -13.6 205 24 289.3 289.5 278.2 293.0 1.23 15 692 2915 -12.7 -18.7 61 6.0 -14.2 205 24 289.4 289.6 278.2 293.2 1.26 16 686 2981 -13.1 -19.1 61 6.0 -14.6 205 24 289.6 289.9 278.3 293.4 1.23 17 674 3115 -13.5 -22.5 47 9.0 -15.4 204 24 290.7 290.8 278.4 293.6 0.93 18 673 3127 -13.7 -22.7 47 9.0 -15.6 204 24 290.6 290.7 278.3 293.4 0.92 19 669 3172 -13.9 -21.9 51 8.0 -15.7 204 23 290.8 291.0 278.6 293.9 0.99 20 658 3297 -14.7 -24.7 42 10.0 -16.7 204 23 291.3 291.5 278.5 293.8 0.78 21 640 3507 -16.1 -25.1 46 9.0 -17.9 204 23 292.0 292.2 278.9 294.5 0.78 22 632 3601 -16.7 -29.7 32 13.0 -18.9 203 23 292.4 292.5 278.6 294.1 0.52 23 623 3709 -17.5 -29.5 34 12.0 -19.5 203 23 292.7 292.8 278.8 294.4 0.53 24 597 4026 -20.3 -30.3 40 10.0 -21.8 203 22 293.0 293.1 279.0 294.7 0.52 25 594 4063 -20.5 -32.5 33 12.0 -22.2 203 22 293.2 293.3 278.9 294.6 0.42 26 571 4354 -22.9 -34.9 33 12.0 -24.4 202 22 293.7 293.8 279.0 294.9 0.35 27 501 5296 -31.1 -40.1 41 9.0 -31.9 200 20 295.0 295.0 279.4 295.7 0.23 28 500 5310 -31.3 -40.3 41 9.0 -32.0 200 20 294.9 294.9 279.4 295.6 0.23 29 495 5381 -31.9 -42.9 33 11.0 -32.7 200 20 295.0 295.0 279.4 295.6 0.18 30 468 5775 -35.5 -43.5 44 8.0 -36.0 203 21 295.3 295.3 279.5 295.9 0.17 31 445 6124 -38.3 -48.3 34 10.0 -38.8 205 23 296.0 296.1 279.7 296.4 0.11 32 432 6327 -40.1 -48.1 42 8.0 -40.5 207 23 296.3 296.3 279.8 296.7 0.11 33 424 6455 -40.5 -51.5 30 11.0 -40.9 207 24 297.4 297.4 280.3 297.6 0.08 34 421 6503 -40.7 -53.7 23 13.0 -41.2 208 24 297.7 297.7 280.4 297.9 0.06 35 400 6850 -42.9 -55.9 23 13.0 -43.3 210 25 299.2 299.2 281.1 299.4 0.05 36 385 7107 -44.9 -58.9 19 14.0 -45.3 207 24 299.9 299.9 281.3 300.0 0.04 37 370 7372 -47.1 -59.1 24 12.0 -47.4 204 22 300.4 300.4 281.5 300.5 0.04 38 325 8221 -52.9 -64.9 22 12.0 -53.1 195 18 303.8 303.8 282.9 303.8 0.02 39 300 8740 -51.7 -72.7 6 21.0 -52.0 205 24 312.5 312.5 286.2 312.5 0.01 40 294 8871 -50.9 -71.9 7 21.0 -51.2 207 23 315.4 315.4 287.2 315.5 0.01 41 274 9326 -53.1 -71.1 9 18.0 -53.4 215 20 318.7 318.7 288.3 318.7 0.01 42 270 9421 -50.3 -77.3 3 27.0 -50.7 217 19 324.1 324.1 290.0 324.1 0.00 43 250 9920 -51.7 -77.7 3 26.0 -52.0 225 15 329.2 329.2 291.5 329.2 0.00 44 241 10156 -52.5 -78.5 3 26.0 -52.8 227 15 331.5 331.5 292.1 331.5 0.00 45 230 10456 -50.9 -78.9 2 28.0 -51.3 231 16 338.4 338.4 293.9 338.4 0.00 46 200 11360 -50.9 -80.9 2 30.0 -51.4 240 18 352.2 352.2 297.1 352.2 0.00 47 150 13210 -54.5 -83.5 2 29.0 -54.9 260 15 376.2 376.2 301.6 376.2 0.00 48 131 14073 -56.3 -84.3 2 28.0 -56.6 253 18 387.8 387.8 303.5 387.8 0.00 49 125 14371 -55.5 -84.5 2 29.0 -55.9 251 19 394.5 394.5 304.5 394.5 0.00 50 110 15180 -58.5 -85.5 2 27.0 -58.8 245 21 403.5 403.5 305.7 403.6 0.00 51 100 15780 -57.3 -86.3 1 29.0 -57.7 240 23 417.0 417.0 307.4 417.0 0.00 52 88 16590 -57.5 -86.5 1 29.0 -57.9 236 22 432.1 432.1 309.1 432.2 0.00 53 77 17426 -62.1 -88.1 2 26.0 -62.4 233 21 439.4 439.4 309.8 439.4 0.00 54 72 17844 -59.5 -87.5 1 28.0 -59.9 231 20 453.4 453.4 311.2 453.4 0.00 55 70 18020 -61.1 -88.1 2 27.0 -61.4 230 20 453.7 453.7 311.2 453.7 0.00 56 57 19278 -65.5 -89.5 2 24.0 -65.8 236 24 471.1 471.1 312.7 471.2 0.00 57 50 20070 -66.7 -90.7 2 24.0 -67.0 240 26 486.3 486.3 314.0 486.3 0.00 58 44 20838 -67.9 -90.9 2 23.0 -68.1 240 33 501.5 501.5 315.1 501.5 0.00 59 41 21261 -67.5 -90.5 2 23.0 -67.8 240 36 512.7 512.7 315.8 512.7 0.00 60 30 23110 -73.5 -92.5 4 19.0 -73.6 240 52 544.3 544.3 317.8 544.3 0.00 61 25 24167 -77.9 -93.9 6 16.0 -78.0 242 43 560.8 560.8 318.7 560.8 0.00 62 24 24403 -74.7 -92.7 5 18.0 -74.9 243 40 576.6 576.6 319.5 576.7 0.00 63 20 25460 -76.5 -93.5 5 17.0 -76.6 245 31 602.0 602.0 320.7 602.0 0.00 64 17 26393 -77.9 -95.9 4 18.0 -78.0 626.2 626.2 321.7 626.2 0.00 TRP 325 8221 -52.9 -64.9 22 12.0 -53.1 195 18 303.8 303.8 282.9 303.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: 876.73 mb = 1060.67 m = 3479.83 ft Wetbulb zero: 893.66 mb = 906.39 m = 2973.69 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 52.93 % Est. max temperature: 11.95 C = 53.51 F Sfc-Lift cond lev (LCL): 977.10 mb = 180.70 m = 592.84 ft T: 5.06 C 700-500 lapse rate: 7.81 C/km ThetaE index: 1.34 C Layer 886.0- 832.0 mb Conv cond level (CCL): 834.33 mb = 1456.26 m = 4777.71 ft Mean mixing ratio: 4.07 g/kg Conv temperature: 12.55 C = 54.59 F Cap Strength: 2.77 C Lifted Index: 2.49 C Risk: None Lifted Index @300 mb: 13.67 C Lifted Index @700 mb: 1.56 C Showalter Index: 2.72 C Risk: Showers probable Total Totals Index: 54.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.40 C Cross Totals Index: 24.40 C K Index: 16.50 Risk: < 20 % chance of thunderstorms Sweat Index: 188.00 Risk: None Energy Index: 0.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.67 J/kg Max Up Vert Vel: 6.43 m/s Conv Inhibition (B-): 41373.96 J/kg Cap Strength: 2.73 C Lift Cond Lev (LCL): 886.05 mb = 975.49 m = 3200.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 233 at 17 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 ---------------------------------------------------------- 0 925 628 215 19 10.9 15.6 | 153 6 -2.7 5.3 1 850 1308 200 26 8.9 24.4 | 161 15 -4.7 14.2 2 700 2827 205 24 10.1 21.8 | 163 12 -3.5 11.5 3 500 5310 200 20 6.8 18.8 | 141 11 -6.8 8.5 4 400 6850 210 25 12.5 21.7 | 174 11 -1.1 11.4 5 325 8221 195 18 4.7 17.4 | 128 11 -9.0 7.1 6 300 8740 205 24 10.1 21.8 | 163 12 -3.5 11.5 7 250 9920 225 15 10.6 10.6 | 96 3 -3.0 0.3 8 200 11360 240 18 15.6 9.0 | 303 2 2.0 -1.3 9 150 13210 260 15 14.8 2.6 | 352 8 1.1 -7.7 10 100 15780 240 23 19.9 11.5 | 259 6 6.3 1.2 11 70 18020 230 20 15.3 12.9 | 213 3 1.7 2.6 12 50 20070 240 26 22.5 13.0 | 253 9 8.9 2.7 13 30 23110 240 52 45.0 26.0 | 243 35 31.4 15.7 14 20 25460 245 31 28.1 13.1 | 259 15 14.5 2.8 Wind Parameters Mean winds (0-6000m): 203.0 at 22.8 knts Storm direction: 233.0 at 17.1 knts Storm rel Dir Shear (0-3000m): 116.5 deg Energy-Hel index: -1.29 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 NO DATA | | | 1000 210 21 159 8| | | 1500 205 23 160 12| | | 2000 204 24 161 12| | | 2500 203 24 161 13| | | 3000 204 24 162 13| | | 4000 204 24 161 12| | | 5000 203 23 158 12| | | 6000 203 23 156 12| | | Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251202.23.gif