UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for U1946... Searching the city database file for: U1946 ... Date:0000Z 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 1005 47 -29.7 -33.1 72 3.4 -29.9 230 3 243.1 243.1 242.9 243.7 0.23 1 1000 83 -26.7 -29.5 77 2.8 -26.9 240 3 246.4 246.5 246.2 247.3 0.33 2 999 90 -26.5 -29.3 77 2.8 -26.7 241 3 246.7 246.8 246.5 247.6 0.34 3 998 97 -23.7 -26.1 81 2.4 -23.9 242 3 249.6 249.7 249.3 250.8 0.46 4 973 283 -22.3 -24.7 81 2.4 -22.6 263 4 252.8 252.9 252.3 254.3 0.53 5 925 654 -23.1 -26.1 76 3.0 -23.4 305 7 255.7 255.8 254.7 257.0 0.49 6 850 1274 -22.5 -27.1 66 4.6 -23.1 250 9 262.6 262.7 260.2 264.0 0.49 7 794 1774 -22.5 -27.4 64 4.9 -23.1 243 13 267.7 267.8 264.1 269.2 0.51 8 700 2690 -26.5 -30.8 67 4.3 -26.9 230 19 273.1 273.2 267.6 274.4 0.42 9 500 5070 -36.5 -41.5 60 5.0 -36.8 165 11 288.5 288.6 276.2 289.2 0.20 10 498 5098 -36.5 -41.5 60 5.0 -36.8 165 11 288.9 288.9 276.4 289.5 0.20 11 429 6112 -43.5 -49.5 51 6.0 -43.7 179 22 292.5 292.6 278.1 292.9 0.10 12 404 6514 -44.9 -50.9 51 6.0 -45.1 184 26 295.8 295.8 279.6 296.1 0.09 13 400 6580 -45.5 -51.5 51 6.0 -45.7 185 27 295.9 295.9 279.6 296.1 0.08 14 318 8072 -57.1 -63.1 46 6.0 -57.2 198 17 299.8 299.8 281.3 299.9 0.02 15 304 8356 -57.7 -63.7 46 6.0 -57.8 200 15 302.9 302.9 282.5 303.0 0.02 16 300 8440 -57.7 -63.7 46 6.0 -57.8 205 17 304.0 304.0 283.0 304.1 0.02 17 266 9204 -58.1 -64.1 46 6.0 -58.2 195 20 314.1 314.1 286.8 314.2 0.03 18 250 9600 -55.3 -61.3 47 6.0 -55.4 190 21 323.9 323.9 290.0 324.0 0.04 19 203 10934 -51.7 -58.7 43 7.0 -52.0 209 19 349.4 349.4 296.5 349.7 0.07 20 200 11030 -51.9 -58.9 43 7.0 -52.1 210 19 350.6 350.6 296.8 350.9 0.07 21 150 12890 -51.7 -61.7 29 10.0 -52.1 190 35 381.0 381.0 302.5 381.3 0.06 22 100 15510 -53.9 -67.9 16 14.0 -54.4 200 36 423.6 423.6 308.2 423.8 0.04 23 95 15838 -53.7 -67.7 16 14.0 -54.2 200 37 430.2 430.2 308.9 430.5 0.04 24 74 17436 -53.5 -69.5 13 16.0 -54.2 200 44 462.5 462.5 312.0 462.8 0.04 25 70 17790 -55.7 -71.7 12 16.0 -56.3 200 46 465.2 465.2 312.3 465.4 0.03 26 53 19553 -59.3 -76.3 9 17.0 -59.9 204 53 495.4 495.4 314.7 495.5 0.02 27 50 19920 -57.7 -74.7 10 17.0 -58.4 205 54 507.5 507.5 315.5 507.7 0.03 28 44 19651 -57.9 -74.9 10 17.0 -58.6 525.9 525.9 316.7 526.1 0.03 29 42 19586 -56.7 -74.7 9 18.0 -57.6 535.9 535.9 317.3 536.2 0.04 30 39 19515 -59.3 -77.3 8 18.0 -60.0 540.8 540.8 317.6 541.0 0.03 31 30 19545 -59.3 -78.3 7 19.0 -60.2 583.0 583.0 319.8 583.2 0.03 32 20 20250 -66.3 -67.6 84 1.3 -66.4 633.2 633.3 322.1 634.9 0.21 TRP 304 8356 -57.7 -63.7 46 6.0 -57.8 200 15 302.9 302.9 282.5 303.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4987.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 66.77 % Est. max temperature: -10.68 C = 12.77 F Sfc-Lift cond lev (LCL): 948.77 mb = 468.03 m = 1535.52 ft T: -22.70 C 700-500 lapse rate: 4.20 C/km ThetaE index: 0.00 C Layer 1005.0- -0.0 mb Conv cond level (CCL): 1000.00 mb = 83.00 m = 272.31 ft Mean mixing ratio: 0.49 g/kg Conv temperature: -24.95 C = -12.91 F Cap Strength: 16.90 C Lifted Index: 27.76 C Risk: None Lifted Index @300 mb: 34.92 C Lifted Index @700 mb: 16.90 C Showalter Index: 20.26 C Risk: None Total Totals Index: 23.40 C Risk: None Vertical Totals Index: 14.00 C Cross Totals Index: 9.40 C K Index: -17.40 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 5.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 464.25 J/kg Max Up Vert Vel: 30.47 m/s Conv Inhibition (B-): 43793.70 J/kg Cap Strength: 27.59 C Lift Cond Lev (LCL): 912.17 mb = 756.45 m = 2481.76 ft Lev Free Conv (LFC): 47.17 mb = 19796.99 m = 64949.97 ft Equ Level (EL): 27.17 mb = 19717.42 m = 64688.91 ft B at Equ Level: -1470.16 J/kg Max Parcel Lev (MPL): 27.17 mb = 19717.42 m = 64688.91 ft Wind level data Storm motion: 243 at 10 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 1005 47 230 3 2.3 1.9 | 69 7 -6.6 -2.5 1 1000 83 240 3 2.6 1.5 | 65 7 -6.3 -2.9 2 925 654 305 7 5.7 -4.0 | 20 9 -3.2 -8.5 3 850 1274 250 9 8.5 3.1 | 17 1 -0.4 -1.4 4 700 2690 230 19 14.6 12.2 | 216 10 5.7 7.8 5 500 5070 165 11 -2.8 10.6 | 118 13 -11.7 6.2 6 400 6580 185 27 2.4 26.9 | 164 23 -6.5 22.4 7 304 8356 200 15 5.1 14.1 | 159 10 -3.8 9.6 8 300 8440 205 17 7.2 15.4 | 171 11 -1.7 11.0 9 250 9600 190 21 3.6 20.7 | 162 17 -5.2 16.2 10 200 11030 210 19 9.5 16.5 | 183 12 0.6 12.0 11 150 12890 190 35 6.1 34.5 | 175 30 -2.8 30.0 12 100 15510 200 36 12.3 33.8 | 187 30 3.4 29.4 13 70 17790 200 46 15.7 43.2 | 190 39 6.8 38.8 14 50 19920 205 54 22.8 48.9 | 197 47 13.9 44.5 Wind Parameters Mean winds (0-6000m): 213.4 at 13.3 knts Storm direction: 243.4 at 9.9 knts Shear (0-3000m) pos: 1.0 neg: 2.9 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 126.9 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -25.6 tot: -25.5 m^2/s^2 ave: -8.5 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 5.1 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 25.47 Bulk Shear: 18.23 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 ------------------------------------------------------------------------------- 500 274 5 43 6| 5.7 0.0 5.7| 0.0 -8.5 -8.5 -17.0 -0.86| 6.0 -5.1 1000 285 6 28 7| 2.9 1.8 4.7| 0.0 -12.7 -12.7 -12.7 -0.59| 6.2 -3.7 1500 270 7 22 5| 1.9 2.8 4.7| 0.1 -13.1 -13.0 -8.7 -0.51| 5.9 -3.0 2000 259 8 12 3| 1.4 3.1 4.5| 0.1 -14.2 -14.0 -7.0 -0.49| 5.4 -2.6 2500 249 10 331 1| 1.1 3.3 4.4| 0.1 -16.3 -16.2 -6.5 -0.46| 5.2 -2.4 3000 243 11 239 1| 1.0 2.9 3.9| 0.1 -25.6 -25.5 -8.5 -0.52| 5.1 -2.6 4000 232 13 197 3| 0.7 2.1 2.9| 0.1 -47.6 -47.5 -11.9 -0.62| 4.9 -3.0 5000 225 13 181 5| 0.6 1.6 2.2| 0.1 -69.1 -68.9 -13.8 -0.67| 4.6 -3.1 6000 213 13 166 7| 0.7 1.3 2.1| 38.5 -69.1 -30.5 -5.1 -0.38| 4.8 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251208.00.gif