UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025113000.upa.cvt Date: 0000Z 30 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 30 NOV 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 259 SFC 934 742 -33.9 -36.8 75 2.9 -34.0 50 1 244.0 244.0 243.6 244.4 0.17 2 925 810 -33.3 -37.3 67 4.0 -33.5 60 3 245.3 245.3 244.8 245.7 0.17 3 918 864 -33.5 -37.5 67 4.0 -33.7 69 4 245.6 245.6 245.0 246.0 0.17 4 850 1417 -23.1 -26.7 72 3.6 -23.5 155 13 261.9 262.0 259.8 263.4 0.51 5 802 1848 -15.5 -18.7 76 3.2 -16.2 174 17 274.4 274.6 269.7 277.6 1.09 6 700 2860 -21.9 -25.9 70 4.0 -22.5 220 27 278.2 278.3 271.2 280.2 0.66 7 666 3225 -23.5 -27.6 69 4.1 -24.1 217 28 280.4 280.5 272.5 282.2 0.59 8 665 3235 -24.9 -29.0 69 4.1 -25.4 217 28 279.0 279.1 271.5 280.6 0.52 9 555 4523 -34.3 -38.7 64 4.4 -34.6 206 30 282.7 282.7 273.1 283.4 0.24 10 524 4924 -34.5 -38.8 65 4.3 -34.8 203 30 287.1 287.1 275.6 287.9 0.25 11 500 5250 -36.5 -40.7 65 4.2 -36.8 200 31 288.5 288.6 276.3 289.3 0.22 12 414 6541 -44.7 -49.2 61 4.5 -44.9 204 47 294.0 294.0 278.8 294.4 0.10 13 411 6590 -46.3 -50.8 60 4.5 -46.4 204 48 292.5 292.6 278.0 292.8 0.09 14 400 6770 -47.5 -52.2 58 4.7 -47.6 205 50 293.3 293.3 278.4 293.5 0.08 15 306 8490 -60.5 -64.7 58 4.2 -60.6 298.4 298.4 280.7 298.4 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 4991.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 69.12 % Est. max temperature: -3.39 C = 25.89 F Sfc-Lift cond lev (LCL): 888.74 mb = 1096.46 m = 3597.26 ft T: -29.12 C 700-500 lapse rate: 6.11 C/km Conv cond level (CCL): 934.00 mb = 741.51 m = 2432.75 ft Mean mixing ratio: 0.35 g/kg Conv temperature: -29.61 C = -21.30 F Cap Strength: 26.65 C Lifted Index: 27.46 C Risk: None Lifted Index @700 mb: 21.21 C Showalter Index: 20.73 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 13.40 C Cross Totals Index: 9.80 C K Index: -17.30 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 5.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.58 J/kg Max Up Vert Vel: 10.45 m/s Conv Inhibition (B-): 7340.81 J/kg Cap Strength: 27.15 C Lift Cond Lev (LCL): 849.44 mb = 1421.86 m = 4664.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 234 at 21 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 ---------------------------------------------------------- 0 934 742 50 1 -0.8 -0.6 | 54 22 -17.4 -12.7 1 925 810 60 3 -2.6 -1.5 | 55 24 -19.3 -13.6 2 850 1417 155 13 -5.5 11.8 | 89 22 -22.2 -0.3 3 700 2860 220 27 17.4 20.7 | 185 9 0.7 8.6 4 500 5250 200 31 10.6 29.1 | 160 18 -6.1 17.0 5 400 6770 205 50 21.1 45.3 | 188 34 4.5 33.2 Wind Parameters Mean winds (0-6000m): 204.0 at 27.4 knts Storm direction: 234.0 at 20.6 knts Shear (0-3000m) pos: 4.9 neg: 0.4 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 119.9 deg Storm rel helicity (0-3000m) pos: 191.5 neg: -4.8 tot: 186.6 m^2/s^2 ave: 62.2 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 6.2 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.51 Bulk Shear: 106.47 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 ------------------------------------------------------------------------------- 500 111 6 66 24| 10.2 0.0 10.2| 67.5 0.0 67.5 134.9 0.80| 12.9 10.3 1000 152 10 80 21| 8.6 0.0 8.6|125.2 0.0 125.2 125.2 0.83| 12.2 10.1 1500 169 12 90 19| 7.5 0.0 7.5|158.2 0.0 158.2 105.5 0.83| 11.1 9.2 2000 188 15 102 15| 6.9 0.0 6.9|185.7 0.0 185.7 92.9 0.83| 11.0 9.2 2500 199 17 112 12| 5.9 0.0 5.9|191.5 -1.7 189.8 75.9 0.80| 9.6 7.7 3000 203 19 121 11| 4.9 0.4 5.3|191.5 -4.8 186.6 62.2 0.74| 8.4 6.2 4000 205 22 136 11| 3.7 0.9 4.6|191.5 -13.1 178.4 44.6 0.64| 6.9 4.4 5000 204 24 145 12| 3.6 0.9 4.5|214.0 -18.4 195.5 39.1 0.60| 6.4 3.8 6000 204 27 157 14| 4.1 0.8 4.9|265.9 -18.4 247.5 41.2 0.59| 6.4 3.8 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251130.00.gif