UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103017.upa.cvt Date: 1700Z 30 OCT 25 Searching for EG918... Searching the city database file for: EG918 ... Date:1700Z 30 OCT 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 -85 SFC 988 16 12.0 10.6 91 1.4 11.2 120 12 286.1 287.6 284.9 308.8 8.14 2 925 566 8.6 8.6 100 0.0 8.6 160 55 288.1 289.4 285.1 309.5 7.60 3 850 1261 4.6 4.6 100 0.0 4.6 175 57 291.0 292.1 284.9 308.9 6.26 4 700 2828 -1.7 -9.7 54 8.0 -4.8 195 58 300.6 301.1 284.8 308.7 2.61 5 500 5420 -16.7 -17.5 93 0.8 -16.9 205 57 312.7 313.0 288.4 319.0 1.93 6 400 7060 -27.3 -30.9 71 3.6 -27.9 205 53 319.5 319.6 289.4 322.1 0.73 7 300 9060 -43.7 -47.1 69 3.4 -43.9 205 55 323.8 323.8 290.1 324.5 0.18 8 250 10260 -54.5 -57.4 70 2.9 -54.6 210 70 325.0 325.1 290.3 325.3 0.07 9 203 11560 -65.5 -69.3 59 3.8 -65.5 210 88 327.6 327.6 291.0 327.7 0.02 10 200 11650 -66.3 -70.2 58 3.9 -66.3 210 83 327.8 327.8 291.1 327.8 0.01 11 185 12116 -68.9 -70.5 80 1.6 -68.9 205 73 330.9 330.9 292.0 331.0 0.02 12 150 13400 -57.3 -82.3 3 25.0 -57.6 230 48 371.4 371.4 300.8 371.4 0.00 13 100 15940 -58.9 -84.9 2 26.0 -59.2 235 33 413.9 413.9 307.0 413.9 0.00 TRP 185 12116 -68.9 -70.5 80 1.6 -68.9 205 73 330.9 330.9 292.0 331.0 0.02 WND 203 11560 -65.5 -69.3 59 3.8 -65.5 210 88 327.6 327.6 291.0 327.7 0.02 Sounding variables and indices 1000-500 mb thick: 5505.00 m Freezing level: 740.48 mb = 2405.16 m = 7890.84 ft Wetbulb zero: 776.56 mb = 1990.31 m = 6529.81 ft Precipitable water: 0.93 inches Sfc-500 mean rel hum: 80.18 % Est. max temperature: 17.51 C = 63.52 F Sfc-Lift cond lev (LCL): 967.53 mb = 190.96 m = 626.49 ft T: 10.92 C 700-500 lapse rate: 5.79 C/km ThetaE index: 0.80 C Layer 850.0- 500.0 mb Conv cond level (CCL): 926.97 mb = 548.27 m = 1798.75 ft Mean mixing ratio: 7.64 g/kg Conv temperature: 13.90 C = 57.01 F Cap Strength: 2.79 C Lifted Index: 6.13 C Risk: None Lifted Index @300 mb: 10.54 C Lifted Index @700 mb: 2.79 C Showalter Index: 6.31 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.30 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 226.20 Risk: None Energy Index: 2.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.73 J/kg Max Up Vert Vel: 5.24 m/s Conv Inhibition (B-): 0.77 J/kg Cap Strength: 6.09 C Lift Cond Lev (LCL): 930.86 mb = 513.36 m = 1684.23 ft Lev Free Conv (LFC): 885.86 mb = 921.40 m = 3022.93 ft Equ Level (EL): 835.86 mb = 1396.44 m = 4581.42 ft B at Equ Level: 13.45 J/kg Max Parcel Lev (MPL): 775.86 mb = 1997.63 m = 6553.82 ft Wind level data Storm motion: 221 at 41 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 ---------------------------------------------------------- 0 988 16 120 12 -10.4 6.0 | 56 45 -37.3 -25.4 1 925 566 160 55 -18.8 51.7 | 114 50 -45.7 20.3 2 850 1261 175 57 -5.0 56.8 | 129 41 -31.9 25.4 3 700 2828 195 58 15.0 56.0 | 154 27 -11.9 24.6 4 500 5420 205 57 24.1 51.7 | 172 20 -2.8 20.3 5 400 7060 205 53 22.4 48.0 | 165 17 -4.5 16.7 6 300 9060 205 55 23.2 49.8 | 169 19 -3.7 18.5 7 250 10260 210 70 35.0 60.6 | 195 30 8.1 29.2 8 203 11560 210 88 44.0 76.2 | 201 48 17.1 44.8 9 200 11650 210 83 41.5 71.9 | 200 43 14.6 40.5 10 185 12116 205 73 30.9 66.2 | 186 35 3.9 34.8 11 150 13400 230 48 36.8 30.9 | 273 10 9.9 -0.5 12 100 15940 235 33 27.0 18.9 | 359 12 0.1 -12.5 Wind Parameters Mean winds (0-6000m): 190.6 at 55.1 knts Storm direction: 220.6 at 41.3 knts Shear (0-3000m) pos: 9.6 neg: 0.0 tot: 9.6 10-3/s Storm rel Dir Shear (0-3000m): 99.5 deg Storm rel helicity (0-3000m) pos: 902.2 neg: 0.0 tot: 902.2 m^2/s^2 ave: 300.7 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 14.6 stream: 13.1 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.08 Bulk Shear: 173.12 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 ------------------------------------------------------------------------------- 500 152 31 85 42| 43.3 0.0 43.3|559.3 0.0 559.3 1118.6 0.99| 45.7 45.3 1000 160 43 103 43| 25.4 0.0 25.4|718.5 0.0 718.5 718.5 0.96| 30.2 29.1 1500 166 48 111 42| 17.8 0.0 17.8|789.2 0.0 789.2 526.1 0.94| 23.1 21.6 2000 170 50 117 40| 13.7 0.0 13.7|834.1 0.0 834.1 417.1 0.92| 19.0 17.4 2500 174 52 122 38| 11.3 0.0 11.3|874.9 0.0 874.9 350.0 0.90| 16.5 14.9 3000 178 53 127 36| 9.6 0.0 9.6|902.2 0.0 902.2 300.7 0.90| 14.6 13.1 4000 183 54 133 33| 7.3 0.0 7.3|920.8 0.0 920.8 230.2 0.89| 11.4 10.1 5000 187 55 139 30| 5.9 0.0 5.9|938.1 0.0 938.1 187.6 0.88| 9.5 8.4 6000 191 55 144 28| 4.9 0.1 5.0|944.7 -4.2 940.5 156.7 0.86| 8.2 7.0 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20251030.17.gif