UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 27 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 295 SFC 936 736 -47.9 -51.0 70 3.1 -47.9 230 1 229.6 229.6 229.5 229.7 0.04 2 925 815 -47.3 -51.8 60 4.5 -47.4 245 3 230.9 230.9 230.8 231.0 0.03 3 850 1390 -35.9 -40.1 65 4.2 -36.1 145 3 248.5 248.6 247.7 248.9 0.14 4 777 2028 -24.7 -29.0 67 4.3 -25.2 168 4 267.0 267.1 263.4 268.3 0.45 5 700 2782 -27.1 -30.8 71 3.7 -27.5 195 5 272.5 272.5 267.2 273.7 0.42 6 534 4697 -36.5 -39.9 71 3.4 -36.7 187 8 283.2 283.2 273.4 283.9 0.22 7 500 5150 -39.7 -43.3 68 3.6 -39.9 185 9 284.6 284.7 274.1 285.2 0.17 8 400 6640 -47.9 -51.5 66 3.6 -48.0 185 5 292.7 292.8 278.2 293.0 0.08 9 389 6823 -49.1 -52.8 65 3.7 -49.2 185 6 293.5 293.5 278.5 293.8 0.07 10 345 7599 -55.7 -59.3 64 3.6 -55.8 185 11 294.8 294.8 279.1 294.9 0.04 11 300 8480 -60.3 -64.0 62 3.7 -60.3 185 17 300.3 300.3 281.5 300.4 0.02 12 278 8953 -62.7 -66.4 61 3.7 -62.7 190 21 303.5 303.5 282.8 303.6 0.02 13 277 8975 -62.7 -66.4 61 3.7 -62.7 190 21 303.8 303.8 283.0 303.9 0.02 14 250 9610 -61.1 -64.7 62 3.6 -61.2 195 25 315.2 315.2 287.2 315.3 0.03 15 200 11010 -57.3 -61.1 62 3.8 -57.4 180 33 342.0 342.0 294.8 342.2 0.05 16 194 11203 -56.7 -60.4 63 3.7 -56.8 181 33 346.0 346.0 295.8 346.2 0.06 17 150 12830 -57.3 -61.2 61 3.9 -57.4 185 31 371.4 371.4 300.8 371.7 0.07 18 107 14969 -57.5 -61.5 60 4.0 -57.6 197 42 408.6 408.7 306.4 409.1 0.09 19 101 15336 -55.1 -59.2 60 4.1 -55.3 200 44 420.1 420.1 307.8 420.7 0.13 20 100 15400 -54.3 -58.5 60 4.2 -54.5 200 44 422.8 422.8 308.1 423.6 0.14 21 70 17690 -52.1 -56.3 60 4.2 -52.5 190 60 472.9 473.0 313.0 474.5 0.27 22 58 18910 -50.7 -54.7 62 4.0 -51.2 201 80 502.2 502.3 315.3 504.6 0.39 23 52 19629 -45.5 -49.6 63 4.1 -46.4 208 91 530.3 530.5 317.2 535.3 0.80 24 50 19890 -46.9 -51.0 63 4.1 -47.7 210 95 532.9 533.2 317.3 537.5 0.70 25 49 20024 -47.7 -51.9 62 4.2 -48.5 534.1 534.3 317.4 538.3 0.65 26 41 21212 -43.5 -47.8 62 4.3 -44.7 572.5 573.0 319.7 581.0 1.24 27 40 21379 -38.9 -43.4 62 4.5 -40.6 588.2 588.9 320.7 602.4 2.06 28 36 22101 -40.0 -45.7 55 5.7 -42.1 200 134 603.3 603.9 321.3 616.0 1.78 29 35 22293 -40.3 -46.3 53 6.0 -42.5 607.4 608.0 321.5 619.8 1.72 TRP 277 8975 -62.7 -66.4 61 3.7 -62.7 190 21 303.8 303.8 283.0 303.9 0.02 WND 36 22101 -40.0 -45.7 55 5.7 -42.1 200 134 603.3 603.9 321.3 616.0 1.78 Sounding variables and indices 1000-500 mb thick: 4855.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 68.49 % Est. max temperature: -13.48 C = 7.73 F Sfc-Lift cond lev (LCL): 884.70 mb = 1117.92 m = 3667.69 ft T: -41.29 C 700-500 lapse rate: 5.32 C/km ThetaE index: 0.00 C Layer 936.0--30786326528.0 mb Conv cond level (CCL): 936.00 mb = 736.09 m = 2414.96 ft Mean mixing ratio: 0.09 g/kg Conv temperature: -43.08 C = -45.55 F Cap Strength: 35.61 C Lifted Index: 36.16 C Risk: None Lifted Index @300 mb: 42.40 C Lifted Index @700 mb: 28.90 C Showalter Index: 29.30 C Risk: None Total Totals Index: 3.40 C Risk: None Vertical Totals Index: 3.80 C Cross Totals Index: -0.40 C K Index: -40.00 Risk: None Sweat Index: 15.00 Risk: None Energy Index: 7.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.09 J/kg Max Up Vert Vel: 9.91 m/s Conv Inhibition (B-): 57299.46 J/kg Cap Strength: 36.08 C Lift Cond Lev (LCL): 847.11 mb = 1414.14 m = 4639.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 216 at 4 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 ---------------------------------------------------------- 0 936 736 230 1 0.8 0.6 | 32 3 -1.8 -2.9 1 925 815 245 3 2.7 1.3 | 356 2 0.1 -2.3 2 850 1390 145 3 -1.7 2.5 | 76 4 -4.3 -1.1 3 700 2782 195 5 1.3 4.8 | 135 2 -1.3 1.3 4 500 5150 185 9 0.8 9.0 | 162 6 -1.8 5.4 5 400 6640 185 5 0.4 5.0 | 124 3 -2.1 1.4 6 300 8480 185 17 1.5 16.9 | 175 13 -1.1 13.4 7 277 8975 190 21 3.6 20.7 | 184 17 1.1 17.1 8 250 9610 195 25 6.5 24.1 | 191 21 3.9 20.6 9 200 11010 180 33 0.0 33.0 | 175 30 -2.6 29.5 10 150 12830 185 31 2.7 30.9 | 180 27 0.1 27.3 11 100 15400 200 44 15.0 41.3 | 198 40 12.5 37.8 12 70 17690 190 60 10.4 59.1 | 188 56 7.8 55.5 13 50 19890 210 95 47.5 82.3 | 210 91 44.9 78.7 Wind Parameters Mean winds (0-6000m): 186.1 at 5.8 knts Storm direction: 216.1 at 4.4 knts Shear (0-3000m) pos: 0.5 neg: 0.8 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 123.9 deg Storm rel helicity (0-3000m) pos: 4.1 neg: -1.2 tot: 2.9 m^2/s^2 ave: 1.0 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 29.60 Bulk Shear: 1.66 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 ------------------------------------------------------------------------------- 500 213 3 42 2| 0.0 2.7 2.7| 1.1 -1.0 0.0 0.0 0.14| 5.9 0.8 1000 179 3 78 3| 0.0 1.7 1.7| 1.7 -1.2 0.5 0.5 0.16| 4.0 0.7 1500 174 3 84 3| 0.5 1.1 1.6| 2.7 -1.2 1.5 1.0 0.25| 3.2 0.8 2000 181 4 91 3| 0.8 0.9 1.6| 3.5 -1.2 2.3 1.1 0.32| 2.8 0.9 2500 185 4 99 2| 0.6 0.8 1.4| 3.8 -1.2 2.6 1.0 0.35| 2.4 0.8 3000 186 4 109 2| 0.5 0.8 1.3| 4.1 -1.2 2.9 1.0 0.36| 2.2 0.8 4000 187 5 128 2| 0.4 0.8 1.2| 4.4 -1.2 3.2 0.8 0.34| 1.8 0.6 5000 186 6 138 3| 0.3 0.6 0.9| 4.5 -2.1 2.4 0.5 0.25| 1.7 0.4 6000 186 6 139 3| 0.3 0.4 0.6| 4.9 -3.6 1.3 0.2 0.15| 1.7 0.3 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251127.00.gif