UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103100.upa.cvt Date: 0000Z 31 OCT 25 Searching for U6781... Searching the city database file for: U6781 ... Date:0000Z 31 OCT 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 53 SFC 977 245 6.8 5.5 91 1.3 6.1 160 11 281.8 282.8 280.4 297.8 5.80 2 925 693 4.2 2.8 91 1.4 3.5 175 31 283.6 284.5 280.3 297.7 5.06 3 850 1379 1.8 0.6 92 1.2 1.3 185 29 288.0 288.9 282.0 301.5 4.70 4 761 2265 -2.1 -3.8 88 1.7 -2.9 202 31 293.1 293.7 283.1 304.2 3.79 5 700 2925 -5.9 -7.5 88 1.6 -6.5 215 33 296.0 296.5 283.5 305.3 3.11 6 500 5480 -21.1 -23.6 80 2.5 -21.7 215 35 307.3 307.5 285.7 311.1 1.14 7 488 5659 -22.3 -24.7 81 2.4 -22.8 214 36 308.0 308.2 285.8 311.5 1.06 8 400 7090 -33.7 -36.3 77 2.6 -34.0 205 40 311.2 311.3 286.3 312.7 0.43 9 361 7802 -39.9 -43.1 71 3.2 -40.1 205 44 312.2 312.2 286.4 313.0 0.23 10 300 9040 -50.7 -54.3 65 3.6 -50.8 205 50 313.9 313.9 286.8 314.2 0.08 11 250 10200 -60.5 -64.4 60 3.9 -60.6 210 52 316.1 316.1 287.5 316.2 0.03 12 243 10376 -61.3 -65.0 61 3.7 -61.3 210 50 317.5 317.5 287.9 317.6 0.03 13 200 11600 -54.9 -59.0 60 4.1 -55.0 230 31 345.8 345.8 295.8 346.1 0.07 14 193 11828 -54.3 -58.5 60 4.2 -54.4 233 31 350.3 350.3 296.8 350.6 0.07 15 150 13430 -57.9 -62.6 55 4.7 -58.0 255 35 370.3 370.3 300.7 370.6 0.06 16 100 15980 -59.9 -64.8 53 4.9 -60.0 270 25 412.0 412.0 306.8 412.3 0.06 17 70 18180 -63.7 -68.7 50 5.0 -63.8 260 19 448.1 448.1 310.7 448.4 0.05 18 54 19764 -65.9 -70.9 50 5.0 -66.0 477.6 477.6 313.3 477.9 0.05 TRP 243 10376 -61.3 -65.0 61 3.7 -61.3 210 50 317.5 317.5 287.9 317.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5427.00 m Freezing level: 808.92 mb = 1787.98 m = 5866.02 ft Wetbulb zero: 822.87 mb = 1638.88 m = 5376.83 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 87.15 % Est. max temperature: 14.21 C = 57.58 F Sfc-Lift cond lev (LCL): 957.71 mb = 408.17 m = 1339.13 ft T: 5.85 C 700-500 lapse rate: 5.95 C/km ThetaE index: 0.07 C Layer 925.0- 850.0 mb Conv cond level (CCL): 859.38 mb = 1290.01 m = 4232.26 ft Mean mixing ratio: 5.19 g/kg Conv temperature: 12.40 C = 54.31 F Cap Strength: 4.51 C Lifted Index: 9.03 C Risk: None Lifted Index @300 mb: 11.10 C Lifted Index @700 mb: 4.51 C Showalter Index: 6.83 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.70 C K Index: 21.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 187.70 Risk: None Energy Index: 1.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.63 J/kg Max Up Vert Vel: 5.94 m/s Conv Inhibition (B-): 24086.28 J/kg Cap Strength: 8.79 C Lift Cond Lev (LCL): 906.87 mb = 853.63 m = 2800.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 236 at 24 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 ---------------------------------------------------------- 0 977 245 160 11 -3.8 10.3 | 82 24 -23.7 -3.2 1 925 693 175 31 -2.7 30.9 | 127 29 -22.7 17.3 2 850 1379 185 29 2.5 28.9 | 131 23 -17.4 15.3 3 700 2925 215 33 18.9 27.0 | 176 14 -1.0 13.5 4 500 5480 215 35 20.1 28.7 | 180 15 0.1 15.1 5 400 7090 205 40 16.9 36.3 | 172 23 -3.1 22.7 6 300 9040 205 50 21.1 45.3 | 182 32 1.2 31.8 7 250 10200 210 52 26.0 45.0 | 191 32 6.0 31.5 8 243 10376 210 50 25.0 43.3 | 190 30 5.0 29.8 9 200 11600 230 31 23.7 19.9 | 211 7 3.8 6.4 10 150 13430 255 35 33.8 9.1 | 288 15 13.9 -4.5 11 100 15980 270 25 25.0 -0.0 | 340 14 5.0 -13.6 12 70 18180 260 19 18.7 3.3 | 7 10 -1.2 -10.3 Wind Parameters Mean winds (0-6000m): 205.8 at 32.2 knts Storm direction: 235.8 at 24.1 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 214.4 neg: 0.0 tot: 214.4 m^2/s^2 ave: 71.5 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 6.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.38 Bulk Shear: 45.91 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 ------------------------------------------------------------------------------- 500 172 22 110 25| 21.1 0.0 21.1|138.1 0.0 138.1 276.1 0.98| 21.4 21.0 1000 176 26 120 25| 10.2 0.0 10.2|147.3 0.0 147.3 147.3 0.87| 12.8 11.2 1500 180 27 124 24| 7.4 0.0 7.4|166.3 0.0 166.3 110.8 0.84| 10.2 8.5 2000 185 28 129 23| 6.2 0.0 6.2|187.7 0.0 187.7 93.8 0.83| 9.0 7.5 2500 190 29 135 21| 5.6 0.0 5.6|207.2 0.0 207.2 82.9 0.83| 8.4 6.9 3000 194 30 140 20| 4.9 0.0 4.9|214.4 0.0 214.4 71.5 0.83| 7.4 6.1 4000 200 31 148 18| 3.7 0.1 3.8|216.2 0.0 216.2 54.1 0.83| 5.6 4.7 5000 204 31 154 17| 2.9 0.2 3.1|218.0 0.0 218.0 43.6 0.82| 4.6 3.8 6000 206 32 159 17| 2.4 0.4 2.9|218.3 -5.1 213.2 35.5 0.73| 4.2 3.1 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20251031.00.gif