UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011100.upa.cvt Date: 0000Z 11 JAN 26 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 11 JAN 26 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 150 1 925 691 220 1 SFC 918 744 -38.3 -41.1 75 2.8 -38.4 220 1 240.7 240.7 240.4 241.0 0.11 3 893 936 -33.7 -36.6 75 2.9 -33.8 191 10 247.3 247.4 246.7 247.8 0.19 4 850 1288 -27.9 -30.8 76 2.9 -28.2 140 25 256.9 257.0 255.4 257.9 0.34 5 776 1953 -16.7 -19.7 78 3.0 -17.3 159 27 275.7 275.9 270.4 278.7 1.03 6 700 2715 -21.7 -24.7 77 3.0 -22.2 180 29 278.5 278.6 271.5 280.7 0.74 7 690 2821 -22.5 -25.5 76 3.0 -22.9 179 30 278.7 278.8 271.6 280.8 0.70 8 500 5100 -41.7 -44.5 74 2.8 -41.8 160 44 282.2 282.2 272.7 282.7 0.15 9 442 5916 -49.1 -51.9 72 2.8 -49.2 163 44 283.0 283.0 273.0 283.2 0.07 10 400 6560 -53.7 -56.4 72 2.7 -53.8 165 44 285.2 285.2 274.2 285.4 0.05 11 355 7316 -58.9 -61.7 70 2.8 -58.9 169 45 288.1 288.1 275.7 288.2 0.03 12 300 8360 -62.9 -65.4 72 2.5 -62.9 175 46 296.7 296.7 279.9 296.7 0.02 13 293 8508 -63.3 -66.0 70 2.7 -63.3 175 48 298.1 298.1 280.6 298.2 0.02 14 254 9401 -63.5 -66.2 70 2.7 -63.5 175 52 310.3 310.3 285.4 310.3 0.02 15 250 9500 -62.5 -65.0 72 2.5 -62.5 175 52 313.1 313.2 286.5 313.2 0.02 16 232 9964 -57.7 -60.2 73 2.5 -57.8 177 47 327.2 327.2 291.0 327.4 0.05 17 200 10900 -56.1 -58.9 71 2.8 -56.2 180 36 343.9 343.9 295.3 344.2 0.07 18 195 11061 -54.5 -57.4 70 2.9 -54.6 180 37 349.0 349.0 296.5 349.3 0.08 19 150 12730 -56.5 -59.2 71 2.7 -56.6 185 44 372.7 372.8 301.1 373.1 0.09 20 147 12858 -57.1 -59.7 72 2.6 -57.2 186 44 373.9 373.9 301.3 374.2 0.08 21 115 14426 -53.7 -56.5 71 2.8 -53.9 195 51 407.4 407.4 306.3 408.1 0.16 22 107 14895 -48.9 -51.8 72 2.9 -49.2 197 52 424.9 425.0 308.4 426.5 0.30 23 101 15274 -48.5 -51.4 72 2.9 -48.8 200 54 432.8 432.9 309.3 434.5 0.33 24 100 15340 -48.1 -50.9 73 2.8 -48.4 200 54 434.8 434.9 309.6 436.6 0.36 25 83 16569 -49.5 -52.5 71 3.0 -49.8 200 58 455.7 455.8 311.5 457.7 0.36 26 70 17700 -44.7 -47.8 71 3.1 -45.3 200 62 488.8 489.0 314.4 493.0 0.72 27 64 18304 -40.1 -43.3 71 3.2 -41.0 201 58 511.5 511.9 316.2 519.3 1.30 28 58 18979 -37.3 -40.4 73 3.1 -38.4 203 54 532.5 533.1 317.8 544.5 1.95 29 50 20000 -38.1 -41.4 71 3.3 -39.4 205 48 553.7 554.4 319.0 566.8 2.04 30 40 21535 -37.9 -41.2 71 3.3 -39.3 196 43 590.7 591.6 321.0 608.6 2.60 31 30 23480 -46.1 -49.2 71 3.1 -47.1 185 36 619.0 619.5 321.9 629.7 1.45 32 29 23705 -46.5 -49.6 71 3.1 -47.5 187 38 623.9 624.4 322.1 634.6 1.43 33 23 25239 -47.7 -50.8 70 3.1 -48.7 198 52 663.1 663.8 323.6 675.7 1.57 34 23 25239 -43.7 -47.0 70 3.3 -45.1 198 52 674.9 675.9 324.3 694.4 2.42 35 20 26180 -42.5 -45.6 72 3.1 -44.0 205 60 706.1 707.5 325.4 733.4 3.25 36 17 27273 -44.5 -47.6 71 3.1 -46.0 733.3 734.6 326.2 760.2 3.06 37 13 29092 -38.9 -43.9 59 5.0 -42.1 811.1 814.1 328.8 870.1 6.04 TRP 293 8508 -63.3 -66.0 70 2.7 -63.3 175 48 298.1 298.1 280.6 298.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4950.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 75.87 % Est. max temperature: -3.80 C = 25.15 F Sfc-Lift cond lev (LCL): 874.41 mb = 1086.13 m = 3563.36 ft T: -31.23 C 700-500 lapse rate: 8.39 C/km ThetaE index: 0.00 C Layer 918.0--1245.2 mb Conv cond level (CCL): 918.00 mb = 743.50 m = 2439.28 ft Mean mixing ratio: 0.30 g/kg Conv temperature: -31.48 C = -24.66 F Cap Strength: 22.57 C Lifted Index: 23.23 C Risk: None Lifted Index @300 mb: 30.30 C Lifted Index @700 mb: 22.46 C Showalter Index: 19.98 C Risk: None Total Totals Index: 24.70 C Risk: None Vertical Totals Index: 13.80 C Cross Totals Index: 10.90 C K Index: -20.00 Risk: None Sweat Index: 94.00 Risk: None Energy Index: 5.46 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 83.87 J/kg Max Up Vert Vel: 12.95 m/s Conv Inhibition (B-): 71275.91 J/kg Cap Strength: 23.25 C Lift Cond Lev (LCL): 839.97 mb = 1374.64 m = 4509.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 194 at 26 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 ---------------------------------------------------------- 0 918 744 220 1 0.6 0.8 | 13 25 -5.6 -24.3 1 850 1288 140 25 -16.1 19.2 | 75 23 -22.3 -5.9 2 700 2715 180 29 0.0 29.0 | 122 7 -6.3 4.0 3 500 5100 160 44 -15.0 41.3 | 127 27 -21.3 16.3 4 400 6560 165 44 -11.4 42.5 | 135 25 -17.7 17.5 5 300 8360 175 46 -4.0 45.8 | 154 23 -10.3 20.8 6 293 8508 175 48 -4.2 47.8 | 155 25 -10.5 22.8 7 250 9500 175 52 -4.5 51.8 | 158 29 -10.8 26.8 8 200 10900 180 36 0.0 36.0 | 150 13 -6.3 11.0 9 150 12730 185 44 3.8 43.8 | 173 19 -2.4 18.8 10 100 15340 200 54 18.5 50.7 | 205 28 12.2 25.7 11 70 17700 200 62 21.2 58.3 | 204 36 14.9 33.2 12 50 20000 205 48 20.3 43.5 | 217 23 14.0 18.5 13 30 23480 185 36 3.1 35.9 | 164 11 -3.1 10.8 14 20 26180 205 60 25.4 54.4 | 213 35 19.1 29.3 Wind Parameters Mean winds (0-6000m): 164.1 at 34.4 knts Storm direction: 194.1 at 25.8 knts Shear (0-3000m) pos: 2.8 neg: 5.2 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 117.8 deg Storm rel helicity (0-3000m) pos: 116.7 neg: -4.6 tot: 112.1 m^2/s^2 ave: 37.4 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 5.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.13 Bulk Shear: 74.55 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 ------------------------------------------------------------------------------- 500 142 12 41 21| 0.0 23.4 23.4| 63.7 -4.6 59.2 118.3 0.56| 28.5 16.0 1000 145 18 59 20| 2.2 11.7 13.9| 87.0 -4.6 82.5 82.5 0.55| 18.4 10.2 1500 151 21 69 18| 3.4 7.8 11.2|102.3 -4.6 97.8 65.2 0.55| 14.6 8.1 2000 159 23 77 15| 4.1 5.9 10.0|113.1 -4.6 108.5 54.2 0.56| 12.6 7.1 2500 163 25 83 13| 3.3 5.5 8.8|115.5 -4.6 111.0 44.4 0.54| 10.9 5.9 3000 165 26 91 13| 2.8 5.2 8.0|116.7 -4.6 112.1 37.4 0.51| 9.8 5.0 4000 166 29 104 14| 2.1 5.0 7.0|116.7 -8.7 108.0 27.0 0.43| 8.4 3.6 5000 164 32 112 16| 1.8 4.3 6.1|126.0 -12.3 113.7 22.7 0.41| 7.2 3.0 6000 164 34 117 18| 1.7 3.6 5.3|143.5 -12.3 131.2 21.9 0.43| 6.3 2.7 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20260111.00.gif