UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for EP374... Searching the city database file for: EP374 ... Date:0000Z 7 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 1002 100 3.4 1.4 87 2.0 2.5 120 5 276.4 277.1 275.6 287.9 4.22 1 1000 116 3.2 1.2 87 2.0 2.3 140 7 276.4 277.1 275.5 287.7 4.17 2 959 453 0.4 0.4 100 0.0 0.4 172 11 276.8 277.5 275.6 288.1 4.10 3 945 573 7.6 -1.4 53 9.0 3.6 184 13 285.3 286.0 279.4 295.7 3.65 4 933 678 7.6 -2.4 49 10.0 3.2 193 14 286.4 287.0 279.7 296.2 3.43 5 925 749 7.0 -2.0 53 9.0 3.0 200 15 286.5 287.1 279.8 296.7 3.56 6 865 1297 3.2 2.3 94 0.9 2.8 184 17 288.1 289.0 282.5 302.9 5.22 7 850 1439 2.4 0.3 86 2.1 1.4 180 17 288.7 289.5 282.1 301.8 4.60 8 819 1738 0.2 -4.1 73 4.3 -1.6 185 19 289.4 290.0 281.1 299.4 3.44 9 757 2367 -3.1 -3.1 100 0.0 -3.1 195 23 292.4 293.1 283.1 304.2 4.02 10 752 2419 -1.7 -3.2 89 1.5 -2.4 196 23 294.5 295.2 284.0 306.4 4.01 11 700 2986 -5.9 -6.4 96 0.5 -6.1 205 27 296.0 296.6 283.8 306.1 3.38 12 675 3271 -6.7 -8.3 88 1.6 -7.3 205 27 298.2 298.7 284.3 307.3 3.03 13 665 3387 -6.7 -10.6 74 3.9 -8.1 205 27 299.4 299.9 284.3 307.3 2.56 14 558 4734 -16.3 -21.0 67 4.7 -17.4 205 27 303.5 303.7 284.4 307.6 1.28 15 500 5550 -23.1 -26.0 77 2.9 -23.7 205 27 304.9 305.0 284.5 307.9 0.92 16 467 6044 -27.7 -28.0 97 0.3 -27.8 207 30 305.2 305.3 284.5 307.9 0.82 17 400 7140 -34.5 -39.3 62 4.8 -35.0 210 36 310.2 310.2 285.8 311.3 0.32 18 340 8255 -43.3 -53.3 32 10.0 -43.7 312.9 312.9 286.5 313.2 0.08 19 336 8335 -43.9 -53.9 32 10.0 -44.3 313.2 313.2 286.5 313.5 0.07 TRP WND Sounding variables and indices 1000-500 mb thick: 5434.00 m Freezing level: 815.24 mb = 1776.55 m = 5828.51 ft Wetbulb zero: 835.21 mb = 1580.53 m = 5185.39 ft Precipitable water: 0.66 inches Sfc-500 mean rel hum: 78.59 % Est. max temperature: 15.59 C = 60.07 F Sfc-Lift cond lev (LCL): 971.42 mb = 349.79 m = 1147.58 ft T: 1.26 C 700-500 lapse rate: 6.71 C/km ThetaE index: 3.49 C Layer 850.0- 757.0 mb Conv cond level (CCL): 721.33 mb = 2748.63 m = 9017.70 ft Mean mixing ratio: 3.90 g/kg Conv temperature: 22.37 C = 72.27 F Cap Strength: 11.22 C Lifted Index: 11.25 C Risk: None Lifted Index @700 mb: 8.08 C Showalter Index: 4.60 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 23.40 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 64.60 Risk: None Energy Index: 1.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 64.78 J/kg Max Up Vert Vel: 11.38 m/s Conv Inhibition (B-): 2975.10 J/kg Cap Strength: 11.25 C Lift Cond Lev (LCL): 882.84 mb = 1130.29 m = 3708.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 231 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 1002 100 120 5 -4.3 2.5 | 64 20 -17.6 -8.4 1 1000 116 140 7 -4.5 5.4 | 73 19 -17.8 -5.6 2 925 749 200 15 5.1 14.1 | 111 9 -8.2 3.1 3 850 1439 180 17 0.0 17.0 | 114 15 -13.3 6.1 4 700 2986 205 27 11.4 24.5 | 172 14 -1.9 13.5 5 500 5550 205 27 11.4 24.5 | 172 14 -1.9 13.5 6 400 7140 210 36 18.0 31.2 | 193 21 4.7 20.2 Wind Parameters Mean winds (0-6000m): 200.6 at 23.0 knts Storm direction: 230.6 at 17.2 knts Shear (0-3000m) pos: 4.5 neg: 0.5 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 107.6 deg Storm rel helicity (0-3000m) pos: 102.9 neg: -0.2 tot: 102.7 m^2/s^2 ave: 34.2 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 4.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 2.07 Bulk Shear: 31.23 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 ------------------------------------------------------------------------------- 500 170 10 86 15| 12.3 0.0 12.3| 45.5 0.0 45.5 91.1 0.79| 13.4 10.6 1000 187 12 97 12| 7.7 0.0 7.7| 52.8 0.0 52.8 52.8 0.67| 9.9 6.7 1500 186 14 104 12| 5.2 1.0 6.2| 57.7 -0.2 57.5 38.4 0.61| 8.0 4.9 2000 186 15 110 12| 4.9 0.8 5.7| 73.3 -0.2 73.1 36.5 0.67| 7.1 4.7 2500 189 17 118 12| 4.8 0.6 5.4| 89.5 -0.2 89.3 35.7 0.72| 6.6 4.7 3000 193 18 127 12| 4.5 0.5 5.0|102.9 -0.2 102.7 34.2 0.75| 6.1 4.6 4000 197 21 140 11| 3.4 0.4 3.8|102.9 -0.2 102.7 25.7 0.75| 4.6 3.4 5000 199 22 148 12| 2.7 0.3 3.0|102.9 -0.2 102.7 20.5 0.75| 3.7 2.7 6000 201 23 154 12| 2.5 0.3 2.8|111.8 -0.2 111.6 18.6 0.74| 3.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//EP374/skewt/EP374.skewt.20251207.00.gif