UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for EHDB... Searching the city database file for: EHDB ... Date:0000Z 7 DEC 25 Station: EHDB WMO ident: 6260 Latitude: 52.10 Longitude: 5.18 Elevation: 4.00 ------------------------------------------------------------------------------- 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 1003 4 10.2 8.6 90 1.6 9.3 225 9 283.1 284.3 282.4 302.4 7.00 1 1000 25 10.2 8.1 87 2.1 9.0 235 11 283.4 284.5 282.2 302.1 6.78 2 925 669 5.8 5.8 100 0.0 5.8 250 35 285.2 286.3 282.5 302.7 6.26 3 860 1262 1.6 1.6 100 0.0 1.6 254 30 286.9 287.7 281.8 301.0 4.99 4 850 1356 1.2 1.2 100 0.0 1.2 255 29 287.4 288.3 281.9 301.4 4.91 5 700 2893 -7.9 -11.5 75 3.6 -9.1 250 31 293.7 294.1 281.5 300.6 2.26 6 570 4456 -18.9 -22.7 72 3.8 -19.7 262 30 298.6 298.8 282.2 302.0 1.08 7 526 5050 -22.7 -24.4 86 1.7 -23.0 267 29 301.0 301.2 283.1 304.2 1.01 8 500 5420 -25.7 -27.2 87 1.5 -25.9 270 29 301.7 301.9 283.1 304.4 0.82 9 443 6283 -32.7 -32.8 99 0.1 -32.7 267 29 303.5 303.6 283.5 305.3 0.55 10 427 6540 -35.7 -37.6 83 1.9 -35.9 266 29 302.9 302.9 283.0 304.1 0.35 11 416 6720 -36.7 -42.7 54 6.0 -37.1 266 29 303.9 303.9 283.2 304.6 0.21 12 408 6854 -37.9 -42.2 64 4.3 -38.2 265 29 304.0 304.0 283.3 304.8 0.23 13 400 6990 -38.9 -43.9 59 5.0 -39.2 265 29 304.4 304.5 283.4 305.1 0.19 14 376 7413 -41.7 -50.7 37 9.0 -42.1 271 34 306.2 306.2 284.0 306.5 0.10 15 373 7468 -41.7 -54.7 23 13.0 -42.2 272 35 306.9 306.9 284.2 307.1 0.06 16 321 8480 -45.5 -61.5 15 16.0 -45.9 288 48 315.1 315.1 287.2 315.2 0.03 17 300 8930 -48.1 -63.1 16 15.0 -48.4 295 54 317.6 317.6 288.0 317.7 0.03 18 289 9175 -48.7 -63.7 16 15.0 -49.0 296 55 320.1 320.1 288.8 320.2 0.03 19 250 10120 -51.1 -70.1 9 19.0 -51.4 300 58 330.1 330.1 291.7 330.1 0.01 20 242 10331 -51.8 -70.2 9 18.4 -52.1 295 64 332.2 332.2 292.3 332.3 0.01 21 224 10831 -53.3 -70.3 11 17.0 -53.6 300 56 337.3 337.3 293.6 337.3 0.01 22 200 11560 -53.9 -71.9 9 18.0 -54.2 295 58 347.4 347.4 296.1 347.5 0.01 23 150 13400 -57.3 -75.3 8 18.0 -57.6 295 36 371.4 371.4 300.8 371.4 0.01 24 133 14159 -57.1 -77.1 6 20.0 -57.4 292 33 384.7 384.7 303.0 384.7 0.01 25 100 15930 -64.3 -81.3 8 17.0 -64.5 285 27 403.5 403.5 305.7 403.5 0.01 TRP 224 10831 -53.3 -70.3 11 17.0 -53.6 300 56 337.3 337.3 293.6 337.3 0.01 WND 242 10331 -51.8 -70.2 9 18.4 -52.1 295 64 332.2 332.2 292.3 332.3 0.01 Sounding variables and indices 1000-500 mb thick: 5395.00 m Freezing level: 830.22 mb = 1558.68 m = 5113.72 ft Wetbulb zero: 832.67 mb = 1519.10 m = 4983.85 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 84.56 % Est. max temperature: 14.34 C = 57.80 F Sfc-Lift cond lev (LCL): 978.97 mb = 200.53 m = 657.90 ft T: 9.00 C 700-500 lapse rate: 7.04 C/km ThetaE index: 1.70 C Layer 860.0- 850.0 mb Conv cond level (CCL): 933.06 mb = 597.37 m = 1959.84 ft Mean mixing ratio: 6.42 g/kg Conv temperature: 12.13 C = 53.83 F Cap Strength: 1.54 C Lifted Index: 1.58 C Risk: Showers probable Lifted Index @300 mb: 10.88 C Lifted Index @700 mb: 0.17 C Showalter Index: 2.29 C Risk: Showers probable Total Totals Index: 53.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 26.90 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 197.40 Risk: None Energy Index: 0.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.71 J/kg Max Up Vert Vel: 7.84 m/s Conv Inhibition (B-): 1.33 J/kg Cap Strength: 1.57 C Lift Cond Lev (LCL): 939.90 mb = 536.96 m = 1761.67 ft Lev Free Conv (LFC): 904.90 mb = 847.67 m = 2781.02 ft Equ Level (EL): 714.90 mb = 2726.22 m = 8944.18 ft B at Equ Level: 30.50 J/kg Max Parcel Lev (MPL): 544.90 mb = 4789.25 m = 15712.59 ft Wind level data Storm motion: 287 at 22 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 1003 4 225 9 6.4 6.4 | 131 19 -14.7 12.7 1 1000 25 235 11 9.0 6.3 | 136 17 -12.1 12.7 2 925 669 250 35 32.9 12.0 | 213 22 11.8 18.3 3 850 1356 255 29 28.0 7.5 | 207 15 6.9 13.8 4 700 2893 250 31 29.1 10.6 | 205 19 8.1 16.9 5 500 5420 270 29 29.0 -0.0 | 231 10 7.9 6.3 6 400 6990 265 29 28.9 2.5 | 221 12 7.8 8.9 7 300 8930 295 54 48.9 -22.8 | 301 32 27.9 -16.5 8 250 10120 300 58 50.2 -29.0 | 308 37 29.2 -22.7 9 242 10331 295 64 58.0 -27.0 | 299 42 36.9 -20.7 10 224 10831 300 56 48.5 -28.0 | 308 35 27.4 -21.7 11 200 11560 295 58 52.6 -24.5 | 300 36 31.5 -18.2 12 150 13400 295 36 32.6 -15.2 | 308 15 11.6 -8.9 13 100 15930 285 27 26.1 -7.0 | 277 5 5.0 -0.6 Wind Parameters Mean winds (0-6000m): 256.8 at 29.3 knts Storm direction: 286.8 at 22.0 knts Shear (0-3000m) pos: 3.7 neg: 0.4 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 75.5 deg Storm rel helicity (0-3000m) pos: 121.6 neg: -10.5 tot: 111.1 m^2/s^2 ave: 37.0 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.76 Bulk Shear: 17.45 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 ------------------------------------------------------------------------------- 500 243 19 166 16| 21.3 0.0 21.3| 90.2 0.0 90.2 180.5 0.95| 21.4 20.4 1000 248 26 192 16| 12.6 0.0 12.6|120.4 -3.6 116.8 116.8 0.83| 15.5 12.8 1500 250 28 197 16| 7.5 0.0 7.5|120.4 -9.1 111.3 74.2 0.71| 11.5 8.1 2000 251 28 200 16| 5.6 0.3 5.9|120.4 -9.5 110.9 55.5 0.68| 8.9 6.1 2500 251 28 201 17| 4.5 0.4 4.9|120.4 -10.1 110.4 44.1 0.66| 7.3 4.8 3000 251 29 202 17| 3.7 0.4 4.2|121.6 -10.5 111.1 37.0 0.64| 6.3 4.0 4000 252 29 204 17| 2.9 0.3 3.2|132.4 -10.5 121.9 30.5 0.63| 5.3 3.3 5000 254 29 207 16| 2.4 0.3 2.6|141.0 -10.5 130.5 26.1 0.63| 4.7 2.9 6000 257 29 210 15| 2.0 0.3 2.3|144.0 -12.4 131.6 21.9 0.60| 4.1 2.5 Wrote GIF file: /home/apache/climate/data/raob//EHDB/skewt/EHDB.skewt.20251207.00.gif