UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 6 DEC 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 -44 1 925 536 SFC 898 747 -21.5 -24.2 79 2.7 -21.8 300 1 259.5 259.6 258.1 261.2 0.60 3 889 818 -22.1 -24.9 78 2.8 -22.5 259.6 259.7 258.1 261.2 0.57 4 850 1141 -16.5 -19.4 78 2.9 -17.0 135 9 268.9 269.0 265.7 271.6 0.97 5 849 1150 -16.3 -19.2 78 2.9 -16.9 269.2 269.3 266.0 271.9 0.98 6 750 2075 -19.9 -22.7 78 2.8 -20.4 275.0 275.1 269.5 277.4 0.82 7 718 2400 -17.9 -20.6 79 2.7 -18.4 280.6 280.8 273.3 283.7 1.03 8 700 2589 -19.5 -22.3 78 2.8 -20.0 195 19 280.9 281.0 273.2 283.6 0.91 9 500 5030 -32.9 -35.7 76 2.8 -33.1 175 19 292.9 293.0 278.7 294.1 0.36 10 483 5272 -34.3 -37.3 74 3.0 -34.6 294.1 294.2 279.1 295.2 0.32 11 400 6560 -45.1 -48.2 71 3.1 -45.2 190 21 296.4 296.4 279.9 296.8 0.12 12 366 7145 -49.9 -53.0 70 3.1 -50.0 297.6 297.6 280.4 297.9 0.08 13 337 7681 -52.1 -55.0 71 2.9 -52.2 301.7 301.7 282.1 301.9 0.07 14 314 8137 -52.3 -55.2 71 2.9 -52.4 307.6 307.6 284.5 307.8 0.07 15 300 8430 -53.9 -57.1 68 3.2 -53.9 240 11 309.4 309.4 285.2 309.6 0.06 16 278 8921 -56.3 -59.4 68 3.1 -56.3 230 15 312.7 312.7 286.4 312.9 0.05 17 275 8991 -56.5 -59.6 68 3.1 -56.6 313.4 313.4 286.6 313.6 0.05 18 259 9379 -51.9 -55.0 69 3.1 -52.0 325.6 325.6 290.5 325.9 0.08 19 250 9610 -52.7 -56.0 67 3.3 -52.8 165 19 327.7 327.7 291.2 328.0 0.08 20 200 11050 -49.9 -53.5 66 3.6 -50.1 165 33 353.8 353.8 297.5 354.3 0.13 21 199 11083 -49.9 -53.5 66 3.6 -50.1 354.3 354.3 297.7 354.8 0.13 22 150 12930 -51.1 -54.7 65 3.6 -51.3 160 36 382.0 382.1 302.7 382.7 0.15 23 100 15550 -52.1 -56.8 57 4.7 -52.4 180 35 427.1 427.1 308.6 428.0 0.18 24 70 17870 -53.1 -59.1 48 6.0 -53.6 190 38 470.8 470.8 312.8 471.9 0.19 25 61 18756 -52.3 -59.3 43 7.0 -52.9 491.5 491.5 314.4 492.7 0.21 26 50 20030 -55.3 -63.3 36 8.0 -55.9 190 52 513.2 513.2 315.9 514.1 0.15 27 30 23280 -57.3 -68.3 23 11.0 -58.3 200 71 588.4 588.5 320.1 589.4 0.13 28 26 24190 -53.9 -64.9 25 11.0 -55.4 622.7 622.8 321.7 624.5 0.24 29 24 24702 -55.1 -67.1 21 12.0 -56.6 633.6 633.7 322.1 635.1 0.19 30 21 25564 -50.1 -63.1 20 13.0 -52.7 673.4 673.5 323.6 676.5 0.38 31 20 25880 -53.1 -67.1 17 14.0 -55.3 200 89 673.6 673.7 323.6 675.6 0.23 32 16 27314 -54.3 -69.3 14 15.0 -56.7 714.1 714.2 324.9 716.0 0.21 33 14 28174 -52.3 -68.3 13 16.0 -55.5 748.7 748.8 326.0 751.3 0.28 34 14 28174 -48.1 -64.1 14 16.0 -52.4 762.9 763.2 326.4 767.6 0.49 TRP 278 8921 -56.3 -59.4 68 3.1 -56.3 230 15 312.7 312.7 286.4 312.9 0.05 WND 13 210 136 Sounding variables and indices 1000-500 mb thick: 5074.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 77.70 % Est. max temperature: -6.18 C = 20.87 F Sfc-Lift cond lev (LCL): 858.72 mb = 1067.58 m = 3502.52 ft T: -17.77 C 700-500 lapse rate: 5.49 C/km ThetaE index: 0.06 C Layer 700.0- 500.0 mb Conv cond level (CCL): 898.00 mb = 746.77 m = 2450.00 ft Mean mixing ratio: 0.85 g/kg Conv temperature: -20.31 C = -4.57 F Cap Strength: 11.30 C Lifted Index: 19.29 C Risk: None Lifted Index @300 mb: 28.17 C Lifted Index @700 mb: 11.30 C Showalter Index: 17.71 C Risk: None Total Totals Index: 29.90 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 13.50 C K Index: -5.80 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 4.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.77 J/kg Max Up Vert Vel: 10.66 m/s Conv Inhibition (B-): 61949.39 J/kg Cap Strength: 19.27 C Lift Cond Lev (LCL): 810.54 mb = 1495.95 m = 4907.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 13 34632 210 136 68.0 117.8 1 898 747 300 1 0.9 -0.5 2 850 1141 135 9 -6.4 6.4 3 700 2589 195 19 4.9 18.4 4 500 5030 175 19 -1.7 18.9 5 400 6560 190 21 3.6 20.7 6 300 8430 240 11 9.5 5.5 7 278 8921 230 15 11.5 9.6 8 250 9610 165 19 -4.9 18.4 9 200 11050 165 33 -8.5 31.9 10 150 12930 160 36 -12.3 33.8 11 100 15550 180 35 0.0 35.0 12 70 17870 190 38 6.6 37.4 13 50 20030 190 52 9.0 51.2 14 30 23280 200 71 24.3 66.7 15 20 25880 200 89 30.4 83.6 Wind Parameters Energy-Hel index: -3.55 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 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251206.00.gif