UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011200.upa.cvt Date: 0000Z 12 JAN 26 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 12 JAN 26 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1015 45 -34.7 -38.5 68 3.8 -34.8 270 15 237.4 237.5 237.3 237.8 0.14 1 1000 149 -35.3 -39.9 63 4.6 -35.5 300 11 237.9 237.9 237.7 238.2 0.12 2 994 191 -34.9 -39.5 63 4.6 -35.1 301 11 238.7 238.7 238.5 239.0 0.12 3 992 205 -33.9 -38.6 62 4.7 -34.1 301 11 239.8 239.8 239.6 240.2 0.14 4 990 219 -28.3 -32.7 66 4.4 -28.6 301 11 245.6 245.6 245.2 246.2 0.25 5 970 366 -24.5 -28.7 68 4.2 -24.9 304 11 250.8 250.9 250.2 251.8 0.37 6 926 702 -26.7 -30.4 71 3.7 -27.0 310 11 251.9 252.0 251.1 252.8 0.33 7 925 710 -26.3 -30.0 71 3.7 -26.6 310 11 252.4 252.5 251.5 253.4 0.34 8 911 821 -23.1 -27.0 70 3.9 -23.5 304 11 256.8 256.9 255.5 258.1 0.46 9 882 1058 -22.1 -25.4 75 3.3 -22.5 290 11 260.2 260.3 258.5 261.8 0.55 10 860 1247 -15.1 -18.2 77 3.1 -15.7 280 11 269.4 269.6 266.3 272.4 1.06 11 850 1335 -15.1 -18.1 78 3.0 -15.7 275 11 270.3 270.5 267.0 273.4 1.08 12 707 2706 -22.7 -25.9 75 3.2 -23.2 237 17 276.6 276.7 270.2 278.5 0.65 13 700 2779 -23.3 -26.7 74 3.4 -23.8 235 17 276.7 276.8 270.2 278.5 0.61 14 500 5140 -42.5 -46.0 68 3.5 -42.6 220 21 281.2 281.2 272.1 281.6 0.12 15 476 5472 -44.7 -48.5 66 3.8 -44.8 223 25 282.5 282.5 272.8 282.8 0.10 16 400 6620 -52.7 -57.0 60 4.3 -52.8 235 40 286.5 286.5 274.9 286.6 0.04 17 300 8430 -62.3 -66.8 55 4.5 -62.3 230 42 297.5 297.5 280.3 297.6 0.02 18 296 8513 -62.7 -67.3 54 4.6 -62.7 230 42 298.1 298.1 280.5 298.2 0.02 19 250 9560 -61.5 -66.1 54 4.6 -61.6 235 42 314.6 314.6 287.0 314.7 0.02 20 200 10950 -60.1 -64.7 55 4.6 -60.2 210 27 337.6 337.6 293.7 337.7 0.03 21 150 12760 -55.5 -60.5 54 5.0 -55.6 205 38 374.5 374.5 301.4 374.8 0.07 22 100 15340 -54.3 -61.3 42 7.0 -54.6 195 46 422.8 422.8 308.1 423.3 0.10 23 76 17130 -48.5 -57.5 34 9.0 -49.4 207 58 469.5 469.5 312.7 470.7 0.21 24 70 17680 -43.1 -53.1 32 10.0 -44.7 210 62 492.2 492.3 314.5 494.5 0.39 25 61 18606 -41.7 -53.7 26 12.0 -43.9 208 66 515.1 515.2 316.1 517.7 0.42 26 50 19940 -44.5 -59.5 17 15.0 -46.8 205 71 538.6 538.7 317.5 540.3 0.25 27 39 21594 -47.3 -63.9 13 16.6 -49.6 205 83 571.2 571.2 319.3 572.5 0.18 28 31 23104 -49.9 -67.9 10 18.0 -52.2 602.9 603.0 320.8 603.9 0.13 TRP 296 8513 -62.7 -67.3 54 4.6 -62.7 230 42 298.1 298.1 280.5 298.2 0.02 WND 39 21594 -47.3 -63.9 13 16.6 -49.6 205 83 571.2 571.2 319.3 572.5 0.18 Sounding variables and indices 1000-500 mb thick: 4991.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 72.37 % Est. max temperature: -4.71 C = 23.53 F Sfc-Lift cond lev (LCL): 950.76 mb = 511.28 m = 1677.40 ft T: -25.45 C 700-500 lapse rate: 8.13 C/km ThetaE index: 0.00 C Layer 1015.0--369098.8 mb Conv cond level (CCL): 1000.00 mb = 149.00 m = 488.84 ft Mean mixing ratio: 0.29 g/kg Conv temperature: -29.81 C = -21.67 F Cap Strength: 25.44 C Lifted Index: 26.68 C Risk: None Lifted Index @300 mb: 34.59 C Lifted Index @700 mb: 25.43 C Showalter Index: 6.64 C Risk: None Total Totals Index: 51.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 24.40 C K Index: 5.90 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 1.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.49 J/kg Max Up Vert Vel: 11.70 m/s Conv Inhibition (B-): 52889.52 J/kg Cap Strength: 26.70 C Lift Cond Lev (LCL): 910.53 mb = 824.73 m = 2705.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 269 at 13 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 1015 45 270 15 15.0 -0.0 | 277 2 2.0 -0.3 1 1000 149 300 11 9.5 -5.5 | 31 7 -3.5 -5.8 2 925 710 310 11 8.4 -7.1 | 32 9 -4.6 -7.3 3 850 1335 275 11 11.0 -1.0 | 60 2 -2.1 -1.2 4 700 2779 235 17 13.9 9.8 | 185 10 0.9 9.5 5 500 5140 220 21 13.5 16.1 | 182 16 0.5 15.8 6 400 6620 235 40 32.8 22.9 | 221 30 19.7 22.7 7 300 8430 230 42 32.2 27.0 | 216 33 19.1 26.7 8 296 8513 230 42 32.2 27.0 | 216 33 19.1 26.7 9 250 9560 235 42 34.4 24.1 | 222 32 21.4 23.8 10 200 10950 210 27 13.5 23.4 | 181 23 0.5 23.1 11 150 12760 205 38 16.1 34.4 | 185 34 3.0 34.2 12 100 15340 195 46 11.9 44.4 | 179 44 -1.1 44.2 13 70 17680 210 62 31.0 53.7 | 199 56 18.0 53.4 14 50 19940 205 71 30.0 64.3 | 195 66 17.0 64.1 Wind Parameters Mean winds (0-6000m): 238.9 at 17.4 knts Storm direction: 268.9 at 13.1 knts Shear (0-3000m) pos: 1.6 neg: 3.1 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): -92.0 deg Storm rel helicity (0-3000m) pos: 6.5 neg: -1.4 tot: 5.1 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.22 Bulk Shear: 30.79 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 ------------------------------------------------------------------------------- 500 299 11 28 6| 9.4 0.0 9.4| 3.5 0.0 3.5 7.0 0.77| 11.4 8.8 1000 301 11 30 7| 4.7 1.6 6.2| 3.9 -0.2 3.7 3.7 0.59| 7.6 4.5 1500 294 11 30 6| 3.1 2.6 5.7| 5.5 -0.2 5.3 3.6 0.57| 6.7 3.8 2000 285 12 29 4| 2.3 2.9 5.2| 6.3 -0.2 6.2 3.1 0.57| 6.0 3.4 2500 275 12 31 2| 1.9 3.1 5.0| 6.5 -0.5 6.0 2.4 0.48| 5.6 2.7 3000 266 13 175 1| 1.6 3.1 4.6| 6.5 -1.4 5.1 1.7 0.42| 5.2 2.2 4000 254 14 191 4| 1.2 2.6 3.8| 6.5 -2.1 4.4 1.1 0.38| 4.2 1.6 5000 244 16 189 7| 0.9 2.4 3.3| 6.5 -4.3 2.2 0.4 0.34| 3.7 1.2 6000 239 17 192 9| 0.4 2.0 2.4| 54.5 -4.4 50.1 8.4 0.44| 4.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20260112.00.gif