UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 10 DEC 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 1021 56 -20.7 -24.3 73 3.6 -21.1 160 3 251.0 251.0 250.7 252.4 0.52 1 1000 209 -22.5 -27.2 65 4.7 -23.0 180 11 250.6 250.7 250.1 251.8 0.41 2 974 402 -23.1 -27.7 66 4.6 -23.6 207 19 251.9 252.0 251.3 253.0 0.40 3 956 541 -17.5 -22.0 68 4.5 -18.2 226 25 259.0 259.1 257.8 260.8 0.69 4 951 580 -11.7 -16.4 68 4.7 -12.7 232 27 265.2 265.4 263.4 268.3 1.11 5 925 793 -11.3 -18.3 56 7.0 -12.8 260 36 267.8 267.9 265.0 270.5 0.98 6 919 843 -11.5 -19.5 52 8.0 -13.1 261 36 268.0 268.2 265.0 270.6 0.89 7 893 1062 -13.3 -23.3 43 10.0 -15.0 264 37 268.4 268.5 264.8 270.3 0.65 8 850 1436 -15.3 -23.3 50 8.0 -16.7 270 38 270.1 270.2 266.1 272.1 0.69 9 772 2157 -19.1 -24.0 65 4.9 -19.9 272 39 273.6 273.7 268.4 275.7 0.71 10 700 2879 -23.1 -30.1 53 7.0 -23.9 275 40 276.9 277.0 270.1 278.3 0.45 11 500 5270 -36.7 -41.5 61 4.8 -37.0 280 46 288.3 288.3 276.1 289.0 0.20 12 410 6616 -44.9 -49.3 61 4.4 -45.0 293 51 294.5 294.6 279.0 294.9 0.10 13 400 6780 -46.5 -50.9 61 4.4 -46.6 295 52 294.6 294.6 279.0 294.9 0.09 14 309 8437 -61.1 -65.2 58 4.1 -61.2 295 54 296.7 296.7 279.9 296.8 0.02 15 300 8620 -61.9 -66.2 56 4.3 -61.9 295 54 298.1 298.1 280.5 298.1 0.02 16 282 9001 -64.2 -68.5 55 4.3 -64.3 295 60 300.1 300.1 281.4 300.1 0.01 17 250 9730 -68.7 -73.1 53 4.4 -68.7 295 58 303.9 303.9 283.0 304.0 0.01 18 245 9850 -69.7 -74.0 53 4.3 -69.7 295 58 304.2 304.2 283.1 304.2 0.01 19 211 10740 -69.5 -73.9 53 4.4 -69.5 299 49 317.8 317.8 288.1 317.8 0.01 20 200 11060 -68.1 -72.6 52 4.5 -68.1 300 46 324.9 324.9 290.3 325.0 0.01 21 187 11465 -66.3 -70.5 55 4.2 -66.3 301 44 334.1 334.1 292.9 334.2 0.02 22 150 12800 -66.7 -71.0 55 4.3 -66.7 305 38 355.2 355.2 297.7 355.3 0.02 23 118 14257 -66.1 -70.3 56 4.2 -66.1 302 33 381.5 381.5 302.5 381.6 0.02 24 100 15260 -67.5 -72.0 53 4.5 -67.5 300 29 397.3 397.3 304.9 397.4 0.02 25 70 17380 -70.1 -74.5 52 4.4 -70.2 295 29 434.4 434.4 309.3 434.5 0.02 26 69 17466 -69.9 -74.3 52 4.4 -69.9 436.6 436.6 309.6 436.8 0.02 TRP 245 9850 -69.7 -74.0 53 4.3 -69.7 295 58 304.2 304.2 283.1 304.2 0.01 WND 282 9001 -64.2 -68.5 55 4.3 -64.3 295 60 300.1 300.1 281.4 300.1 0.01 Sounding variables and indices 1000-500 mb thick: 5061.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 57.37 % Est. max temperature: -2.28 C = 27.90 F Sfc-Lift cond lev (LCL): 962.00 mb = 494.23 m = 1621.48 ft T: -19.38 C 700-500 lapse rate: 5.69 C/km ThetaE index: 0.59 C Layer 1000.0- 974.0 mb Conv cond level (CCL): 1000.00 mb = 209.00 m = 685.69 ft Mean mixing ratio: 0.66 g/kg Conv temperature: -20.38 C = -4.68 F Cap Strength: 16.55 C Lifted Index: 23.98 C Risk: None Lifted Index @300 mb: 27.61 C Lifted Index @700 mb: 16.55 C Showalter Index: 13.50 C Risk: None Total Totals Index: 34.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 13.40 C K Index: -8.90 Risk: None Sweat Index: 122.00 Risk: None Energy Index: 3.52 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 93.68 J/kg Max Up Vert Vel: 13.69 m/s Conv Inhibition (B-): 27788.95 J/kg Cap Strength: 23.75 C Lift Cond Lev (LCL): 906.54 mb = 947.06 m = 3107.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 29 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 1021 56 160 3 -1.0 2.8 | 128 32 -25.3 19.5 1 1000 209 180 11 0.0 11.0 | 139 37 -24.3 27.7 2 925 793 260 36 35.5 6.3 | 206 25 11.2 22.9 3 850 1436 270 38 38.0 -0.0 | 219 22 13.7 16.7 4 700 2879 275 40 39.8 -3.5 | 230 20 15.5 13.2 5 500 5270 280 46 45.3 -8.0 | 248 23 21.0 8.7 6 400 6780 295 52 47.1 -22.0 | 283 23 22.8 -5.3 7 300 8620 295 54 48.9 -22.8 | 284 25 24.6 -6.1 8 282 9001 295 60 54.4 -25.4 | 286 31 30.1 -8.7 9 250 9730 295 58 52.6 -24.5 | 285 29 28.3 -7.8 10 245 9850 295 58 52.6 -24.5 | 285 29 28.3 -7.8 11 200 11060 300 46 39.8 -23.0 | 292 17 15.5 -6.3 12 150 12800 305 38 31.1 -21.8 | 307 9 6.8 -5.1 13 100 15260 300 29 25.1 -14.5 | 201 2 0.8 2.2 14 70 17380 295 29 26.3 -12.3 | 204 5 2.0 4.4 Wind Parameters Mean winds (0-6000m): 274.5 at 39.3 knts Storm direction: 304.5 at 29.5 knts Shear (0-3000m) pos: 7.2 neg: 0.0 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 103.5 deg Storm rel helicity (0-3000m) pos: 464.0 neg: 0.0 tot: 464.0 m^2/s^2 ave: 154.7 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 9.5 10^-3/s Energy-Hel index: 0.26 Bulk Rich Number: 0.55 Bulk Shear: 171.47 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 ------------------------------------------------------------------------------- 500 208 15 150 34| 25.6 0.0 25.6|263.2 0.0 263.2 526.4 0.93| 30.5 28.4 1000 249 24 176 25| 19.4 0.0 19.4|420.5 0.0 420.5 420.5 0.91| 27.1 24.7 1500 258 29 189 23| 13.5 0.0 13.5|442.2 0.0 442.2 294.8 0.90| 19.6 17.7 2000 262 31 197 22| 10.3 0.0 10.3|449.4 0.0 449.4 224.7 0.90| 15.0 13.6 2500 265 33 203 21| 8.4 0.0 8.4|456.6 0.0 456.6 182.7 0.91| 12.3 11.1 3000 267 34 208 21| 7.2 0.0 7.2|464.0 0.0 464.0 154.7 0.91| 10.5 9.5 4000 270 36 215 20| 5.7 0.0 5.7|479.5 0.0 479.5 119.9 0.91| 8.2 7.5 5000 272 38 221 20| 4.8 0.0 4.8|495.7 0.0 495.7 99.1 0.91| 6.9 6.3 6000 274 39 228 20| 4.4 0.0 4.4|542.0 0.0 542.0 90.3 0.92| 6.4 5.9 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251210.12.gif