UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 20 APR 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 1004 43 -1.3 -7.3 64 6.0 -3.3 230 7 271.5 271.9 269.7 277.6 2.20 1 1003 51 -0.5 -10.5 47 10.0 -3.6 232 7 272.4 272.7 269.4 277.2 1.71 2 1002 59 1.6 -5.4 60 7.0 -0.9 235 7 274.6 275.0 272.1 281.6 2.55 3 1000 75 1.8 -4.2 64 6.0 -0.4 240 7 275.0 275.4 272.7 282.7 2.80 4 986 189 2.6 -2.4 70 5.0 0.6 248 9 276.9 277.4 274.5 285.8 3.25 5 975 280 3.8 -2.2 65 6.0 1.3 255 10 279.0 279.5 275.7 288.2 3.33 6 925 706 2.0 -9.0 44 11.0 -1.9 285 17 281.4 281.7 275.3 287.4 2.09 7 850 1382 -2.7 -7.7 68 5.0 -4.5 275 17 283.3 283.8 276.9 290.6 2.52 8 782 2038 -6.7 -12.7 62 6.0 -8.5 281 23 285.9 286.2 277.3 291.3 1.84 9 700 2898 -10.1 -16.1 61 6.0 -11.8 290 31 291.3 291.6 279.6 296.0 1.55 10 679 3132 -11.3 -18.3 56 7.0 -13.1 289 32 292.5 292.7 279.8 296.6 1.33 11 500 5410 -26.5 -35.5 42 9.0 -27.6 280 38 300.7 300.8 282.2 302.0 0.37 12 449 6176 -31.7 -40.7 41 9.0 -32.5 282 40 303.6 303.6 283.2 304.4 0.24 13 400 6980 -37.9 -47.9 34 10.0 -38.5 285 42 305.7 305.8 283.9 306.2 0.13 14 300 8900 -53.3 -63.3 29 10.0 -53.5 285 42 310.2 310.2 285.4 310.3 0.03 15 250 10050 -62.1 -72.1 25 10.0 -62.1 295 38 313.7 313.7 286.6 313.8 0.01 16 246 10150 -62.9 -72.9 25 10.0 -63.0 295 38 314.0 314.0 286.8 314.0 0.01 17 200 11470 -49.9 -60.9 26 11.0 -50.3 300 31 353.8 353.8 297.5 354.0 0.05 18 150 13350 -49.1 -66.1 12 17.0 -49.7 275 23 385.5 385.5 303.1 385.6 0.04 19 100 16010 -50.5 -73.5 5 23.0 -51.4 300 15 430.2 430.2 308.9 430.2 0.02 20 76 17796 -48.9 -73.9 4 25.0 -50.2 281 9 468.6 468.6 312.5 468.7 0.02 21 70 18330 -51.5 -75.5 4 24.0 -52.5 275 7 474.2 474.2 313.0 474.3 0.02 22 53 20148 -49.3 -74.3 4 25.0 -51.0 271 10 518.6 518.6 316.2 518.8 0.03 23 50 20530 -50.5 -75.5 4 25.0 -52.1 270 11 524.5 524.5 316.6 524.6 0.03 24 30 23850 -51.3 -75.3 4 24.0 -53.5 275 7 604.8 604.8 320.9 605.1 0.05 25 23 25565 -54.3 -78.3 4 24.0 -56.3 643.7 643.7 322.4 644.0 0.04 26 21 26153 -50.9 -74.9 4 24.0 -53.9 670.9 671.0 323.4 671.5 0.07 TRP 246 10150 -62.9 -72.9 25 10.0 -63.0 295 38 314.0 314.0 286.8 314.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5335.00 m Freezing level: Surface below freezing Freezing level: 1002.76 mb = 52.86 m = 173.44 ft Freezing level: 893.09 mb = 993.66 m = 3260.00 ft Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 55.54 % Est. max temperature: 10.38 C = 50.69 F Sfc-Lift cond lev (LCL): 913.70 mb = 804.28 m = 2638.69 ft T: 1.32 C 700-500 lapse rate: 6.53 C/km ThetaE index: 0.89 C Layer 925.0- 850.0 mb Conv cond level (CCL): 726.91 mb = 2605.26 m = 8547.35 ft Mean mixing ratio: 2.68 g/kg Conv temperature: 16.63 C = 61.93 F Cap Strength: 8.19 C Lifted Index: 12.03 C Risk: None Lifted Index @300 mb: 16.52 C Lifted Index @700 mb: 7.58 C Showalter Index: 9.28 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 18.80 C K Index: 10.10 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 2.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.57 J/kg Max Up Vert Vel: 7.15 m/s Conv Inhibition (B-): 54744.42 J/kg Cap Strength: 11.92 C Lift Cond Lev (LCL): 843.00 mb = 1447.12 m = 4747.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 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 1004 43 230 7 5.4 4.5 | 152 21 -10.0 18.9 1 1000 75 240 7 6.1 3.5 | 153 20 -9.3 17.9 2 925 706 285 17 16.4 -4.4 | 186 10 1.1 10.0 3 850 1382 275 17 16.9 -1.5 | 187 13 1.6 12.9 4 700 2898 290 31 29.1 -10.6 | 255 14 13.8 3.8 5 500 5410 280 38 37.4 -6.6 | 251 23 22.1 7.8 6 400 6980 285 42 40.6 -10.9 | 262 25 25.2 3.5 7 300 8900 285 42 40.6 -10.9 | 262 25 25.2 3.5 8 250 10050 295 38 34.4 -16.1 | 275 19 19.1 -1.7 9 246 10150 295 38 34.4 -16.1 | 275 19 19.1 -1.7 10 200 11470 300 31 26.8 -15.5 | 275 12 11.5 -1.1 11 150 13350 275 23 22.9 -2.0 | 211 15 7.6 12.4 12 100 16010 300 15 13.0 -7.5 | 161 7 -2.4 6.9 13 70 18330 275 7 7.0 -0.6 | 149 16 -8.4 13.8 14 50 20530 270 11 11.0 -0.0 | 163 15 -4.4 14.4 15 30 23850 275 7 7.0 -0.6 | 149 16 -8.4 13.8 Wind Parameters Mean winds (0-6000m): 283.2 at 28.1 knts Storm direction: 313.2 at 21.1 knts Shear (0-3000m) pos: 4.7 neg: 0.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 102.3 deg Storm rel helicity (0-3000m) pos: 91.0 neg: -0.1 tot: 90.9 m^2/s^2 ave: 30.3 10^-3 m/s^2 rel: 0.74 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.55 Bulk Shear: 46.56 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 ------------------------------------------------------------------------------- 500 261 10 163 17| 10.8 0.0 10.8| 33.5 0.0 33.5 67.0 0.67| 11.0 7.4 1000 276 14 172 13| 7.0 0.0 7.0| 40.5 0.0 40.5 40.5 0.59| 8.2 4.9 1500 277 15 177 13| 4.7 0.6 5.3| 45.7 -0.0 45.7 30.4 0.58| 6.5 3.8 2000 277 16 184 12| 4.8 0.5 5.2| 61.7 -0.0 61.7 30.9 0.67| 6.1 4.1 2500 280 18 192 12| 4.9 0.4 5.2| 78.4 -0.0 78.3 31.3 0.72| 6.0 4.3 3000 283 20 203 11| 4.7 0.3 5.0| 91.0 -0.1 90.9 30.3 0.74| 5.7 4.2 4000 284 23 219 11| 3.5 0.7 4.2| 91.0 -1.7 89.3 22.3 0.66| 4.7 3.1 5000 284 26 230 13| 2.8 0.9 3.8| 91.0 -5.3 85.6 17.1 0.58| 4.2 2.4 6000 283 28 236 14| 2.5 0.9 3.4|102.9 -6.9 96.0 16.0 0.57| 3.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20250420.00.gif