UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120812.upa.cvt Date: 1200Z 8 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 8 DEC 25 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 1010 49 -34.9 -38.6 69 3.7 -35.0 260 3 237.6 237.6 237.5 237.9 0.13 1 1008 62 -28.9 -32.3 72 3.4 -29.1 262 3 243.7 243.7 243.5 244.4 0.25 2 1000 119 -27.9 -31.2 73 3.3 -28.1 270 5 245.2 245.3 245.0 246.0 0.28 3 994 162 -27.1 -30.2 75 3.1 -27.3 268 5 246.5 246.5 246.2 247.3 0.31 4 986 221 -24.3 -27.5 75 3.2 -24.6 265 5 249.9 249.9 249.4 251.0 0.41 5 925 685 -24.3 -28.1 71 3.8 -24.7 245 7 254.5 254.5 253.5 255.6 0.41 6 904 852 -24.1 -27.9 71 3.8 -24.5 240 8 256.3 256.4 255.1 257.5 0.43 7 867 1156 -26.1 -29.7 72 3.6 -26.4 230 10 257.3 257.4 255.8 258.4 0.38 8 850 1299 -25.7 -29.4 71 3.7 -26.1 225 11 259.2 259.3 257.3 260.3 0.39 9 803 1711 -26.1 -29.4 74 3.3 -26.4 221 13 263.0 263.1 260.4 264.2 0.42 10 700 2697 -29.1 -32.4 73 3.3 -29.4 210 17 270.3 270.3 265.6 271.3 0.36 11 657 3149 -31.1 -34.3 73 3.2 -31.4 208 17 272.9 273.0 267.3 273.9 0.32 12 642 3313 -31.1 -34.4 73 3.3 -31.4 207 16 274.8 274.8 268.5 275.7 0.32 13 500 5050 -40.9 -45.2 63 4.3 -41.1 200 15 283.2 283.2 273.2 283.6 0.14 14 463 5567 -44.1 -48.9 59 4.8 -44.3 202 21 285.5 285.5 274.5 285.8 0.10 15 411 6360 -45.3 -51.3 51 6.0 -45.5 204 31 293.8 293.8 278.7 294.1 0.08 16 400 6540 -46.1 -52.1 51 6.0 -46.3 205 33 295.1 295.1 279.3 295.3 0.08 17 314 8127 -54.7 -62.7 37 8.0 -54.8 195 23 304.2 304.3 283.1 304.3 0.03 18 312 8168 -54.9 -62.9 36 8.0 -55.0 195 23 304.5 304.5 283.2 304.6 0.03 19 300 8420 -54.9 -62.9 36 8.0 -55.0 200 25 308.0 308.0 284.6 308.1 0.03 20 278 8904 -56.1 -64.1 36 8.0 -56.2 204 27 313.0 313.0 286.4 313.1 0.02 21 250 9580 -54.7 -63.7 32 9.0 -54.9 210 29 324.7 324.7 290.2 324.9 0.03 22 222 10344 -51.5 -61.5 29 10.0 -51.8 210 31 340.9 340.9 294.6 341.1 0.04 23 200 11020 -52.1 -63.1 25 11.0 -52.4 210 33 350.3 350.3 296.7 350.4 0.04 24 150 12880 -52.9 -65.9 19 13.0 -53.3 195 36 378.9 378.9 302.1 379.1 0.04 25 100 15490 -53.3 -70.3 11 17.0 -53.9 205 36 424.7 424.8 308.3 424.9 0.03 26 90 16166 -54.1 -72.1 9 18.0 -54.7 206 37 436.1 436.2 309.5 436.3 0.03 27 70 17770 -55.7 -74.7 8 19.0 -56.3 210 38 465.2 465.2 312.3 465.3 0.02 28 62 18544 -54.5 -74.5 7 20.0 -55.4 206 43 484.3 484.3 313.8 484.5 0.03 29 55 19303 -58.7 -78.7 6 20.0 -59.3 203 48 491.6 491.6 314.4 491.7 0.01 30 50 19900 -59.7 -79.7 6 20.0 -60.3 200 52 502.8 502.8 315.1 502.9 0.01 31 47 20287 -59.1 -79.1 6 20.0 -59.7 202 54 513.2 513.2 315.9 513.3 0.02 32 41 21147 -57.3 -78.3 5 21.0 -58.2 206 57 538.1 538.1 317.4 538.3 0.02 33 30 23110 -59.9 -80.9 5 21.0 -60.8 215 66 581.3 581.3 319.8 581.5 0.02 34 27 23769 -60.7 -81.7 5 21.0 -61.6 212 71 596.9 596.9 320.5 597.0 0.02 35 26 24005 -61.1 -82.1 5 21.0 -62.0 211 73 602.2 602.2 320.7 602.3 0.02 36 21 25342 -58.9 -79.9 5 21.0 -60.3 206 84 646.8 646.8 322.6 647.0 0.03 37 20 25650 -58.1 -80.1 4 22.0 -59.7 205 87 658.3 658.3 323.0 658.6 0.03 38 18 26316 -56.5 -78.5 5 22.0 -58.5 683.5 683.5 323.9 683.9 0.05 39 17 26677 -58.9 -80.9 4 22.0 -60.6 687.1 687.1 324.0 687.4 0.03 TRP 312 8168 -54.9 -62.9 36 8.0 -55.0 195 23 304.5 304.5 283.2 304.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 4931.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 71.00 % Est. max temperature: -14.30 C = 6.25 F Sfc-Lift cond lev (LCL): 947.68 mb = 508.84 m = 1669.41 ft T: -24.30 C 700-500 lapse rate: 5.01 C/km ThetaE index: 0.00 C Layer 1010.0- 0.0 mb Conv cond level (CCL): 1008.00 mb = 62.41 m = 204.77 ft Mean mixing ratio: 0.38 g/kg Conv temperature: -27.72 C = -17.89 F Cap Strength: 20.03 C Lifted Index: 25.44 C Risk: None Lifted Index @300 mb: 39.53 C Lifted Index @700 mb: 16.55 C Showalter Index: 18.79 C Risk: None Total Totals Index: 26.70 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 11.50 C K Index: -17.50 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 4.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.05 J/kg Max Up Vert Vel: 8.61 m/s Conv Inhibition (B-): 60572.84 J/kg Cap Strength: 25.17 C Lift Cond Lev (LCL): 906.03 mb = 836.00 m = 2742.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 240 at 11 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 1010 49 260 3 3.0 0.5 | 53 8 -6.6 -4.9 1 1000 119 270 5 5.0 -0.0 | 40 7 -4.5 -5.4 2 925 685 245 7 6.3 3.0 | 52 4 -3.2 -2.5 3 850 1299 225 11 7.8 7.8 | 143 3 -1.8 2.3 4 700 2697 210 17 8.5 14.7 | 174 9 -1.0 9.3 5 500 5050 200 15 5.1 14.1 | 153 10 -4.4 8.7 6 400 6540 205 33 13.9 29.9 | 190 25 4.4 24.5 7 312 8168 195 23 6.0 22.2 | 168 17 -3.6 16.8 8 300 8420 200 25 8.6 23.5 | 177 18 -1.0 18.1 9 250 9580 210 29 14.5 25.1 | 194 20 5.0 19.7 10 200 11020 210 33 16.5 28.6 | 197 24 7.0 23.1 11 150 12880 195 36 9.3 34.8 | 180 29 -0.2 29.3 12 100 15490 205 36 15.2 32.6 | 192 28 5.7 27.2 13 70 17770 210 38 19.0 32.9 | 199 29 9.5 27.5 14 50 19900 200 52 17.8 48.9 | 191 44 8.2 43.4 15 30 23110 215 66 37.9 54.1 | 210 56 28.3 48.6 16 20 25650 205 87 36.8 78.8 | 200 78 27.2 73.4 Wind Parameters Mean winds (0-6000m): 210.4 at 14.6 knts Storm direction: 240.4 at 11.0 knts Shear (0-3000m) pos: 0.0 neg: 2.6 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 117.1 deg Storm rel helicity (0-3000m) pos: 6.6 neg: -4.8 tot: 1.8 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: 0.27 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.00 Bulk Shear: 18.55 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 ------------------------------------------------------------------------------- 500 260 6 43 6| 0.0 3.7 3.7| 0.8 -3.5 -2.7 -5.5 -0.28| 4.6 -1.3 1000 248 7 49 4| 0.0 3.5 3.5| 2.7 -3.5 -0.8 -0.8 0.15| 4.2 0.6 1500 238 8 67 3| 0.0 3.4 3.4| 4.6 -3.5 1.1 0.7 0.34| 4.0 1.4 2000 231 9 100 2| 0.0 3.1 3.1| 5.9 -3.5 2.4 1.2 0.35| 3.6 1.3 2500 226 11 133 3| 0.0 3.0 3.0| 6.5 -3.5 3.0 1.2 0.32| 3.4 1.1 3000 222 12 149 4| 0.0 2.6 2.6| 6.6 -4.8 1.8 0.6 0.27| 3.1 0.8 4000 217 13 158 5| 0.0 1.8 1.8| 6.6 -8.5 -1.9 -0.5 0.17| 2.5 0.4 5000 213 13 158 6| 0.0 1.4 1.4| 6.6 -12.1 -5.5 -1.1 0.09| 2.1 0.2 6000 210 15 163 8| 1.0 1.2 2.2| 32.7 -12.1 20.6 3.4 0.28| 2.8 0.8 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251208.12.gif