UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 13 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 1025 48 -33.7 -37.4 69 3.7 -33.8 170 3 237.8 237.8 237.7 238.2 0.15 1 1024 55 -33.5 -37.2 69 3.7 -33.7 172 3 238.0 238.1 238.0 238.4 0.15 2 1023 62 -29.7 -33.2 72 3.5 -29.9 174 3 241.9 241.9 241.8 242.5 0.23 3 1000 224 -26.3 -29.6 74 3.3 -26.6 215 9 246.9 246.9 246.6 247.7 0.33 4 982 356 -23.5 -26.6 76 3.1 -23.8 215 9 251.0 251.0 250.5 252.1 0.44 5 925 794 -21.3 -24.7 74 3.4 -21.7 215 7 257.5 257.6 256.4 259.1 0.56 6 876 1196 -19.9 -24.1 69 4.2 -20.5 215 11 263.0 263.1 260.8 264.8 0.62 7 861 1324 -18.9 -23.9 65 5.0 -19.6 215 12 265.4 265.5 262.6 267.2 0.64 8 850 1420 -19.1 -25.1 59 6.0 -20.0 215 13 266.1 266.2 263.1 267.8 0.59 9 753 2317 -21.5 -37.5 22 16.0 -23.0 212 20 272.9 273.0 267.1 273.5 0.20 10 740 2444 -22.9 -38.9 22 16.0 -24.3 211 22 272.8 272.8 266.9 273.3 0.18 11 700 2849 -25.9 -41.9 21 16.0 -27.1 210 25 273.8 273.8 267.5 274.2 0.14 12 568 4326 -37.9 -52.9 19 15.0 -38.4 198 29 276.6 276.6 269.1 276.7 0.05 13 522 4906 -39.3 -53.3 21 14.0 -39.8 193 30 281.6 281.6 272.2 281.8 0.05 14 500 5200 -41.7 -55.7 20 14.0 -42.1 190 31 282.2 282.2 272.5 282.3 0.04 15 431 6196 -46.3 -60.3 19 14.0 -46.6 200 44 288.6 288.6 276.0 288.7 0.03 16 400 6690 -48.1 -62.1 18 14.0 -48.4 205 50 292.5 292.5 277.9 292.6 0.02 17 300 8550 -55.7 -69.7 16 14.0 -55.8 210 77 306.8 306.8 284.1 306.9 0.01 18 278 9036 -57.5 -71.5 15 14.0 -57.6 210 79 311.0 311.0 285.7 311.0 0.01 19 276 9082 -57.7 -71.7 15 14.0 -57.8 210 78 311.3 311.3 285.8 311.4 0.01 20 275 9105 -57.7 -71.7 15 14.0 -57.8 210 77 311.7 311.7 285.9 311.7 0.01 21 250 9710 -57.7 -71.7 15 14.0 -57.8 210 69 320.3 320.3 288.8 320.3 0.01 22 200 11120 -57.7 -71.7 15 14.0 -57.9 215 54 341.4 341.4 294.7 341.4 0.01 23 150 12940 -57.5 -73.5 11 16.0 -57.8 200 54 371.0 371.0 300.8 371.1 0.01 24 130 13844 -58.5 -74.5 11 16.0 -58.7 202 50 384.7 384.7 303.0 384.8 0.01 25 100 15510 -55.3 -73.3 9 18.0 -55.8 205 42 420.9 420.9 307.8 421.0 0.02 26 71 17699 -53.5 -73.5 7 20.0 -54.3 200 74 468.0 468.0 312.5 468.2 0.03 27 70 17790 -53.7 -73.7 7 20.0 -54.5 200 75 469.5 469.5 312.6 469.6 0.03 28 68 17975 -55.1 -75.1 7 20.0 -55.8 201 76 470.4 470.4 312.7 470.5 0.02 29 63 18461 -55.7 -75.7 7 20.0 -56.4 203 77 479.5 479.5 313.4 479.6 0.02 30 50 19940 -52.9 -73.9 6 21.0 -54.1 210 81 518.8 518.8 316.2 519.0 0.03 31 46 20477 -53.7 -74.7 6 21.0 -54.9 208 86 529.4 529.4 316.9 529.6 0.03 32 40 21381 -50.9 -73.9 5 23.0 -52.7 206 94 558.0 558.0 318.5 558.3 0.04 33 32 22844 -47.9 -71.9 5 24.0 -50.7 201 106 602.8 602.9 320.7 603.4 0.07 34 32 22844 -47.5 -71.5 5 24.0 -50.4 201 106 603.9 603.9 320.8 604.5 0.08 35 30 23270 -48.3 -73.3 4 25.0 -51.2 200 110 613.0 613.0 321.2 613.4 0.06 36 28 23722 -50.9 -74.9 4 24.0 -53.3 618.0 618.0 321.4 618.4 0.05 37 25 24456 -53.1 -77.1 4 24.0 -55.2 632.0 632.0 322.0 632.3 0.04 38 23 24995 -51.7 -76.7 3 25.0 -54.4 651.4 651.4 322.7 651.7 0.05 39 23 24995 -48.3 -73.3 4 25.0 -51.8 661.4 661.4 323.2 662.0 0.08 40 20 25914 -49.1 -74.1 4 25.0 -52.7 685.9 685.9 324.0 686.6 0.08 TRP 275 9105 -57.7 -71.7 15 14.0 -57.8 210 77 311.7 311.7 285.9 311.7 0.01 WND 278 9036 -57.5 -71.5 15 14.0 -57.6 210 79 311.0 311.0 285.7 311.0 0.01 Sounding variables and indices 1000-500 mb thick: 4976.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 37.28 % Est. max temperature: -8.11 C = 17.41 F Sfc-Lift cond lev (LCL): 961.99 mb = 506.64 m = 1662.19 ft T: -22.74 C 700-500 lapse rate: 6.72 C/km ThetaE index: 0.23 C Layer 740.0- 700.0 mb Conv cond level (CCL): 1024.00 mb = 54.94 m = 180.24 ft Mean mixing ratio: 0.42 g/kg Conv temperature: -26.52 C = -15.74 F Cap Strength: 24.66 C Lifted Index: 24.84 C Risk: None Lifted Index @300 mb: 38.91 C Lifted Index @700 mb: 19.96 C Showalter Index: 11.95 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 16.60 C K Index: -18.50 Risk: None Sweat Index: 57.00 Risk: None Energy Index: 3.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.67 J/kg Max Up Vert Vel: 10.83 m/s Conv Inhibition (B-): 59809.59 J/kg Cap Strength: 24.76 C Lift Cond Lev (LCL): 927.74 mb = 772.29 m = 2533.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 232 at 17 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 1025 48 170 3 -0.5 3.0 | 61 16 -14.0 -7.6 1 1000 224 215 9 5.2 7.4 | 69 9 -8.3 -3.2 2 925 794 215 7 4.0 5.7 | 63 11 -9.4 -4.9 3 850 1420 215 13 7.5 10.6 | 91 6 -6.0 0.1 4 700 2849 210 25 12.5 21.7 | 175 11 -0.9 11.1 5 500 5200 190 31 5.4 30.5 | 158 22 -8.0 19.9 6 400 6690 205 50 21.1 45.3 | 193 36 7.7 34.7 7 300 8550 210 77 38.5 66.7 | 204 61 25.1 56.1 8 278 9036 210 79 39.5 68.4 | 204 63 26.1 57.8 9 275 9105 210 77 38.5 66.7 | 204 61 25.1 56.1 10 250 9710 210 69 34.5 59.8 | 203 53 21.1 49.2 11 200 11120 215 54 31.0 44.2 | 208 38 17.5 33.6 12 150 12940 200 54 18.5 50.7 | 187 40 5.0 40.2 13 100 15510 205 42 17.7 38.1 | 189 28 4.3 27.5 14 70 17790 200 75 25.7 70.5 | 192 61 12.2 59.9 15 50 19940 210 81 40.5 70.1 | 204 65 27.1 59.6 16 30 23270 200 110 37.6 103.4 | 195 96 24.2 92.8 Wind Parameters Mean winds (0-6000m): 201.7 at 22.8 knts Storm direction: 231.7 at 17.1 knts Shear (0-3000m) pos: 1.0 neg: 3.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 112.3 deg Storm rel helicity (0-3000m) pos: 31.3 neg: -3.7 tot: 27.6 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.86 Bulk Shear: 31.52 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 ------------------------------------------------------------------------------- 500 212 8 66 10| 6.3 0.0 6.3| 7.4 -1.8 5.5 11.0 0.15| 8.8 1.3 1000 214 8 66 10| 3.1 0.8 4.0| 10.3 -2.8 7.6 7.6 0.18| 5.9 1.1 1500 214 9 70 9| 2.1 2.1 4.2| 16.5 -2.8 13.7 9.1 0.35| 5.6 1.9 2000 214 11 77 8| 1.6 2.7 4.3| 22.4 -2.8 19.6 9.8 0.47| 5.3 2.5 2500 213 13 90 7| 1.3 3.0 4.3| 28.1 -2.8 25.3 10.1 0.52| 5.1 2.6 3000 212 15 107 6| 1.0 3.0 4.1| 31.3 -3.7 27.6 9.2 0.48| 4.8 2.3 4000 209 18 134 7| 0.8 2.6 3.4| 31.3 -10.7 20.7 5.2 0.36| 4.2 1.5 5000 205 20 147 9| 0.6 2.4 3.1| 31.3 -21.8 9.5 1.9 0.25| 3.9 1.0 6000 202 23 155 12| 1.5 2.0 3.6| 93.4 -23.2 70.2 11.7 0.37| 4.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251213.00.gif