UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112800.upa.cvt Date: 0000Z 28 NOV 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 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 279 SFC 934 741 -44.7 -47.9 70 3.2 -44.7 40 1 233.0 233.0 232.8 233.1 0.05 2 925 806 -45.3 -49.6 62 4.3 -45.4 50 1 233.0 233.0 232.8 233.1 0.04 3 902 975 -43.9 -48.5 60 4.6 -44.0 83 3 236.1 236.1 235.8 236.3 0.05 4 850 1381 -36.3 -40.5 65 4.2 -36.5 160 9 248.1 248.1 247.3 248.5 0.13 5 760 2177 -23.1 -27.1 70 4.0 -23.6 215 14 270.5 270.6 266.1 272.1 0.55 6 700 2773 -27.5 -31.1 71 3.6 -27.9 255 17 272.0 272.1 266.8 273.3 0.41 7 627 3558 -31.3 -34.8 71 3.5 -31.6 237 18 276.4 276.4 269.5 277.4 0.32 8 551 4463 -35.7 -39.3 69 3.6 -36.0 216 20 281.6 281.6 272.5 282.3 0.23 9 500 5130 -41.3 -44.7 70 3.4 -41.5 200 21 282.7 282.7 273.0 283.2 0.14 10 400 6600 -52.7 -56.3 65 3.6 -52.8 195 21 286.5 286.5 274.9 286.7 0.05 11 339 7652 -61.1 -64.6 63 3.5 -61.2 192 22 288.9 288.9 276.2 289.0 0.02 12 310 8207 -62.9 -66.6 61 3.7 -62.9 190 23 293.9 293.9 278.6 294.0 0.02 13 300 8410 -62.5 -66.2 61 3.7 -62.5 195 23 297.2 297.2 280.1 297.3 0.02 14 250 9540 -59.5 -63.4 60 3.9 -59.6 210 23 317.6 317.6 288.0 317.7 0.03 15 243 9718 -60.5 -64.3 61 3.8 -60.6 209 23 318.7 318.7 288.3 318.8 0.03 16 204 10823 -54.9 -58.9 61 4.0 -55.0 201 25 343.9 343.9 295.3 344.2 0.07 17 200 10950 -55.5 -59.4 62 3.9 -55.6 200 25 344.9 344.9 295.6 345.1 0.06 18 163 12244 -56.9 -60.8 61 3.9 -57.0 196 24 363.3 363.3 299.4 363.6 0.07 19 150 12770 -56.1 -59.9 62 3.8 -56.2 195 23 373.4 373.4 301.2 373.8 0.08 20 100 15380 -52.9 -57.1 60 4.2 -53.2 190 42 425.5 425.6 308.4 426.4 0.17 21 79 16909 -50.1 -54.3 61 4.2 -50.5 187 61 461.0 461.1 312.0 462.7 0.30 22 70 17710 -43.3 -47.7 62 4.4 -44.2 185 71 491.8 492.0 314.7 496.0 0.73 23 54 19467 -40.3 -44.3 65 4.0 -41.5 185 96 536.6 537.0 317.8 545.3 1.38 24 50 19990 -41.1 -45.0 66 3.9 -42.3 185 103 546.6 547.1 318.4 555.5 1.38 25 43 21011 -43.5 -47.6 64 4.1 -44.7 185 108 564.8 565.2 319.3 572.9 1.21 26 41 21334 -40.7 -44.8 65 4.1 -42.2 185 110 579.5 580.1 320.2 591.3 1.73 27 39 21677 -38.7 -43.3 62 4.6 -40.5 185 111 592.9 593.7 321.0 607.8 2.14 28 32 23012 -47.1 -53.1 50 6.0 -48.6 185 118 605.0 605.3 321.1 611.3 0.86 29 30 23440 -47.3 -54.3 45 7.0 -49.0 185 120 615.7 616.0 321.6 621.7 0.80 30 20 26100 -48.9 -58.9 30 10.0 -51.5 175 104 686.5 686.8 324.2 692.2 0.68 31 15 28011 -43.9 -57.9 20 14.0 -49.0 762.0 762.5 326.5 771.6 1.03 TRP 310 8207 -62.9 -66.6 61 3.7 -62.9 190 23 293.9 293.9 278.6 294.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4851.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 68.69 % Est. max temperature: -14.12 C = 6.59 F Sfc-Lift cond lev (LCL): 882.14 mb = 1127.19 m = 3698.08 ft T: -41.05 C 700-500 lapse rate: 5.85 C/km ThetaE index: 0.00 C Layer 934.0- 0.0 mb Conv cond level (CCL): 934.00 mb = 740.64 m = 2429.91 ft Mean mixing ratio: 0.09 g/kg Conv temperature: -43.36 C = -46.05 F Cap Strength: 34.07 C Lifted Index: 34.03 C Risk: None Lifted Index @300 mb: 39.73 C Lifted Index @700 mb: 27.91 C Showalter Index: 28.06 C Risk: None Total Totals Index: 5.80 C Risk: None Vertical Totals Index: 5.00 C Cross Totals Index: 0.80 C K Index: -39.10 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 7.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 67.34 J/kg Max Up Vert Vel: 11.61 m/s Conv Inhibition (B-): 70418.64 J/kg Cap Strength: 34.06 C Lift Cond Lev (LCL): 833.57 mb = 1519.84 m = 4986.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 242 at 12 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 ---------------------------------------------------------- 0 934 741 40 1 -0.6 -0.8 | 61 13 -11.7 -6.6 1 925 806 50 1 -0.8 -0.6 | 61 13 -11.8 -6.5 2 850 1381 160 9 -3.1 8.5 | 101 14 -14.1 2.6 3 700 2773 255 17 16.4 4.4 | 285 6 5.4 -1.4 4 500 5130 200 21 7.2 19.7 | 164 14 -3.9 13.9 5 400 6600 195 21 5.4 20.3 | 159 16 -5.6 14.5 6 310 8207 190 23 4.0 22.7 | 157 18 -7.1 16.8 7 300 8410 195 23 6.0 22.2 | 163 17 -5.1 16.4 8 250 9540 210 23 11.5 19.9 | 182 14 0.5 14.1 9 200 10950 200 25 8.6 23.5 | 172 18 -2.5 17.7 10 150 12770 195 23 6.0 22.2 | 163 17 -5.1 16.4 11 100 15380 190 42 7.3 41.4 | 174 36 -3.8 35.5 12 70 17710 185 71 6.2 70.7 | 176 65 -4.9 64.9 13 50 19990 185 103 9.0 102.6 | 179 97 -2.1 96.8 14 30 23440 185 120 10.5 119.5 | 180 114 -0.6 113.7 15 20 26100 175 104 -9.1 103.6 | 168 100 -20.1 97.8 Wind Parameters Mean winds (0-6000m): 212.2 at 16.7 knts Storm direction: 242.2 at 12.5 knts Shear (0-3000m) pos: 3.0 neg: 1.1 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 153.3 deg Storm rel helicity (0-3000m) pos: 79.4 neg: -9.5 tot: 69.8 m^2/s^2 ave: 23.3 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 3.8 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.76 Bulk Shear: 38.24 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 ------------------------------------------------------------------------------- 500 123 4 75 15| 7.4 0.0 7.4| 30.4 0.0 30.4 60.7 0.83| 8.9 7.4 1000 164 6 91 13| 6.1 0.0 6.1| 58.5 0.0 58.5 58.5 0.84| 9.1 7.6 1500 186 8 104 10| 5.1 0.0 5.1| 70.7 0.0 70.7 47.1 0.79| 8.8 6.9 2000 214 10 116 6| 4.5 0.0 4.5| 79.3 0.0 79.3 39.7 0.81| 9.1 7.4 2500 227 11 127 3| 3.6 0.6 4.2| 79.4 -4.1 75.3 30.1 0.67| 7.9 5.3 3000 230 13 147 3| 3.0 1.1 4.1| 79.4 -9.5 69.8 23.3 0.53| 7.3 3.8 4000 226 14 169 4| 2.3 1.8 4.1| 79.4 -24.2 55.1 13.8 0.32| 6.5 2.1 5000 218 16 168 7| 1.8 1.8 3.6| 79.4 -34.6 44.7 8.9 0.24| 5.6 1.4 6000 212 17 165 9| 1.5 1.6 3.1| 79.4 -38.2 41.1 6.9 0.22| 4.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251128.00.gif