UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 28 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 255 SFC 932 742 -39.3 -42.7 70 3.4 -39.4 10 1 238.6 238.6 238.4 238.9 0.09 2 926 787 -40.7 -44.8 65 4.1 -40.8 323 18 237.6 237.6 237.4 237.8 0.08 3 925 794 -40.7 -44.8 65 4.1 -40.8 315 21 237.7 237.7 237.4 237.9 0.08 4 885 1098 -38.5 -42.8 64 4.3 -38.7 231 19 243.0 243.0 242.5 243.3 0.10 5 850 1380 -32.5 -36.6 67 4.1 -32.7 155 17 252.1 252.1 251.0 252.7 0.20 6 763 2159 -18.9 -22.5 73 3.6 -19.5 177 20 274.7 274.8 269.4 277.1 0.82 7 700 2793 -23.5 -26.9 74 3.4 -23.9 195 23 276.5 276.6 270.1 278.3 0.60 8 526 4815 -40.3 -43.5 71 3.2 -40.5 203 28 279.8 279.8 271.3 280.3 0.15 9 508 5052 -40.7 -43.9 71 3.2 -40.8 205 29 282.1 282.2 272.7 282.6 0.15 10 500 5160 -41.5 -44.6 72 3.1 -41.6 205 29 282.4 282.5 272.8 282.9 0.14 11 404 6566 -52.1 -55.1 70 3.0 -52.2 224 55 286.5 286.5 274.9 286.6 0.05 12 400 6630 -52.3 -55.4 69 3.1 -52.4 225 56 287.0 287.0 275.2 287.2 0.05 13 321 8037 -58.9 -62.3 65 3.4 -58.9 225 48 296.5 296.5 279.8 296.6 0.03 14 300 8460 -62.3 -65.5 65 3.2 -62.3 225 46 297.5 297.5 280.3 297.6 0.02 15 296 8541 -62.9 -66.2 64 3.3 -62.9 225 46 297.8 297.8 280.4 297.9 0.02 16 260 9337 -58.1 -61.6 64 3.5 -58.2 225 36 316.1 316.1 287.5 316.3 0.04 17 250 9580 -58.7 -62.2 64 3.5 -58.7 225 33 318.8 318.8 288.4 318.9 0.04 18 226 10211 -61.3 -64.6 65 3.3 -61.3 218 33 324.2 324.2 290.0 324.3 0.03 19 200 10980 -56.3 -59.7 65 3.4 -56.4 210 33 343.6 343.6 295.3 343.9 0.06 20 197 11076 -54.7 -58.4 63 3.7 -54.8 209 33 347.6 347.7 296.2 348.0 0.07 21 150 12810 -55.1 -58.8 63 3.7 -55.2 200 31 375.1 375.2 301.5 375.6 0.09 22 122 14128 -56.1 -59.7 64 3.6 -56.2 195 36 396.2 396.2 304.8 396.6 0.10 23 110 14793 -52.1 -55.8 64 3.7 -52.4 192 38 415.6 415.6 307.3 416.5 0.18 24 100 15410 -52.3 -56.0 64 3.7 -52.5 190 40 426.7 426.7 308.6 427.7 0.19 25 75 17277 -51.3 -54.9 65 3.6 -51.7 182 63 465.4 465.4 312.4 467.0 0.30 26 70 17730 -47.5 -51.5 63 4.0 -48.1 180 68 482.8 482.9 313.9 485.5 0.47 27 63 18431 -43.9 -48.0 64 4.1 -44.7 180 74 505.5 505.7 315.7 510.2 0.79 28 50 19980 -44.1 -48.2 64 4.1 -45.1 180 87 539.5 539.9 317.9 545.8 0.97 29 49 20116 -44.3 -48.3 64 4.0 -45.3 180 87 542.2 542.5 318.0 548.5 0.98 30 32 22923 -53.3 -57.3 62 4.0 -54.0 171 96 588.4 588.6 320.2 592.1 0.52 31 30 23340 -52.7 -56.7 62 4.0 -53.4 170 97 601.0 601.2 320.9 605.3 0.59 32 20 25990 -47.9 -52.1 62 4.2 -49.4 175 85 689.6 690.2 324.5 702.5 1.55 33 18 26688 -46.3 -50.4 63 4.1 -48.0 715.7 716.6 325.5 733.9 2.10 TRP 296 8541 -62.9 -66.2 64 3.3 -62.9 225 46 297.8 297.8 280.4 297.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 4905.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 70.93 % Est. max temperature: -9.07 C = 15.67 F Sfc-Lift cond lev (LCL): 878.27 mb = 1151.25 m = 3777.03 ft T: -37.36 C 700-500 lapse rate: 7.60 C/km ThetaE index: 1.04 C Layer 926.0- 925.0 mb Conv cond level (CCL): 932.00 mb = 742.05 m = 2434.53 ft Mean mixing ratio: 0.14 g/kg Conv temperature: -39.30 C = -38.74 F Cap Strength: 30.00 C Lifted Index: 30.08 C Risk: None Lifted Index @300 mb: 36.70 C Lifted Index @700 mb: 27.87 C Showalter Index: 24.46 C Risk: None Total Totals Index: 13.90 C Risk: None Vertical Totals Index: 9.00 C Cross Totals Index: 4.90 C K Index: -31.00 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 6.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 78.34 J/kg Max Up Vert Vel: 12.52 m/s Conv Inhibition (B-): 70051.82 J/kg Cap Strength: 30.05 C Lift Cond Lev (LCL): 831.46 mb = 1539.19 m = 5049.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 236 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 ---------------------------------------------------------- 0 932 742 10 1 -0.2 -1.0 | 54 22 -18.0 -12.9 1 925 794 315 21 14.8 -14.8 | 6 27 -3.0 -26.8 2 850 1380 155 17 -7.2 15.4 | 98 25 -25.0 3.5 3 700 2793 195 23 6.0 22.2 | 131 16 -11.9 10.3 4 500 5160 205 29 12.3 26.3 | 159 15 -5.6 14.3 5 400 6630 225 56 39.6 39.6 | 218 35 21.7 27.7 6 300 8460 225 46 32.5 32.5 | 215 25 14.7 20.6 7 296 8541 225 46 32.5 32.5 | 215 25 14.7 20.6 8 250 9580 225 33 23.3 23.3 | 206 13 5.5 11.4 9 200 10980 210 33 16.5 28.6 | 175 17 -1.3 16.6 10 150 12810 200 31 10.6 29.1 | 157 19 -7.2 17.2 11 100 15410 190 40 6.9 39.4 | 158 30 -10.9 27.4 12 70 17730 180 68 0.0 68.0 | 162 59 -17.8 56.1 13 50 19980 180 87 0.0 87.0 | 167 77 -17.8 75.1 14 30 23340 170 97 -16.8 95.5 | 157 90 -34.7 83.6 15 20 25990 175 85 -7.4 84.7 | 161 77 -25.3 72.7 Wind Parameters Mean winds (0-6000m): 206.2 at 28.6 knts Storm direction: 236.2 at 21.5 knts Shear (0-3000m) pos: 2.5 neg: 3.3 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 87.2 deg Storm rel helicity (0-3000m) pos: 83.4 neg: -144.8 tot: -61.4 m^2/s^2 ave: -20.5 10^-3 m/s^2 rel: -0.03 Storm rel vorticity (0-3000m) horiz: 15.1 stream: -0.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.90 Bulk Shear: 87.15 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 ------------------------------------------------------------------------------- 500 268 19 356 11| 0.0 19.5 19.5| 9.7-121.6-111.9 -223.9 -0.20| 61.1-12.5 1000 188 18 112 16| 0.0 10.0 10.0| 25.4-144.8-119.4 -119.4 -0.19| 37.7 -7.3 1500 179 19 110 19| 1.8 6.7 8.5| 49.2-144.8 -95.6 -63.7 -0.13| 26.9 -3.4 2000 183 19 114 18| 2.8 5.0 7.8| 69.5-144.8 -75.3 -37.6 -0.07| 21.7 -1.5 2500 187 20 118 17| 2.6 4.0 6.6| 77.1-144.8 -67.7 -27.1 -0.05| 17.8 -0.8 3000 190 21 121 17| 2.5 3.3 5.8| 83.4-144.8 -61.4 -20.5 -0.03| 15.1 -0.4 4000 194 22 128 16| 2.3 2.5 4.8| 96.5-144.8 -48.3 -12.1 0.01| 11.7 0.1 5000 198 24 138 15| 3.1 2.0 5.1|149.3-144.8 4.5 0.9 0.12| 10.7 1.2 6000 206 29 159 15| 4.2 1.7 5.8|250.8-145.4 105.4 17.6 0.21| 10.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251128.12.gif