UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:1200Z 11 DEC 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 219 SFC 946 646 -8.1 -12.6 70 4.5 -9.3 290 5 269.3 269.5 267.0 273.5 1.53 2 945 654 -8.7 -8.7 100 0.0 -8.7 284 5 268.8 269.1 267.7 274.5 2.09 3 938 711 -9.3 -9.3 100 0.0 -9.3 239 6 268.7 269.1 267.5 274.2 2.01 4 925 819 -2.9 155 7 276.3 5 923 836 -2.7 -2.8 99 0.1 -2.7 156 7 276.7 277.3 274.6 286.0 3.37 6 922 845 -2.7 -2.8 99 0.1 -2.7 156 7 276.8 277.4 274.6 286.1 3.37 7 913 923 -1.7 -4.8 79 3.1 -2.9 160 7 278.6 279.1 275.0 286.8 2.93 8 902 1021 6.0 -2.0 56 8.0 2.5 165 8 287.5 288.1 280.5 298.0 3.66 9 898 1057 6.8 -1.2 57 8.0 3.2 167 8 288.7 289.4 281.3 299.9 3.90 10 893 1103 6.6 -2.4 53 9.0 2.6 170 8 289.0 289.6 281.0 299.3 3.58 11 884 1187 9.6 -1.4 46 11.0 4.4 174 8 292.9 293.6 283.1 304.3 3.90 12 882 1205 9.6 -1.4 46 11.0 4.4 175 8 293.1 293.8 283.2 304.6 3.91 13 870 1319 11.8 -2.2 38 14.0 5.1 180 8 296.5 297.2 284.4 307.7 3.74 14 850 1514 12.2 -6.8 26 19.0 3.9 190 9 298.9 299.4 284.2 307.2 2.70 15 847 1544 12.0 -8.0 24 20.0 3.4 191 9 299.0 299.5 284.0 306.6 2.47 16 773 2298 5.2 -16.8 19 22.0 -2.3 227 14 299.6 299.9 282.9 303.8 1.33 17 700 3097 -2.1 -10.1 54 8.0 -5.1 265 19 300.2 300.6 284.5 308.0 2.53 18 656 3608 -6.3 -9.8 76 3.5 -7.6 264 19 301.0 301.6 285.1 309.6 2.77 19 555 4896 -13.7 -14.2 96 0.5 -13.9 262 19 307.0 307.5 286.9 314.3 2.29 20 500 5680 -19.3 -19.7 97 0.4 -19.4 260 19 309.5 309.8 287.0 314.7 1.60 21 400 7310 -30.7 -31.9 89 1.2 -30.9 262 25 315.1 315.2 287.9 317.4 0.66 22 394 7417 -31.3 -32.5 89 1.2 -31.4 262 25 315.7 315.8 288.1 317.9 0.63 23 276 9826 -52.7 -56.2 66 3.5 -52.8 266 34 318.6 318.6 288.3 318.8 0.07 24 245 10587 -56.9 -60.8 61 3.9 -57.0 267 37 323.3 323.3 289.8 323.5 0.04 25 210 11545 -64.9 -69.9 50 5.0 -65.0 269 41 325.4 325.4 290.4 325.5 0.01 26 178 12540 -70.5 -75.5 48 5.0 -70.5 271 45 332.0 332.0 292.3 332.0 0.01 27 158 13248 -70.3 -74.9 51 4.6 -70.4 272 48 343.8 343.8 295.3 343.9 0.01 28 152 13479 -67.7 -72.5 50 4.8 -67.7 272 49 352.1 352.1 297.1 352.2 0.01 29 137 14099 -70.9 -76.9 41 6.0 -70.9 273 51 357.1 357.1 298.1 357.1 0.01 30 127 14553 -66.1 -72.1 43 6.0 -66.2 274 53 373.6 373.6 301.2 373.7 0.02 31 100 15994 -68.7 -76.7 31 8.0 -68.8 276 59 395.0 395.0 304.5 395.0 0.01 32 77 17545 -72.1 -81.1 25 9.0 -72.2 279 66 418.6 418.6 307.6 418.6 0.01 33 70 18110 -69.7 -79.7 22 10.0 -69.8 280 68 435.3 435.3 309.4 435.3 0.01 34 65 18549 -68.1 -78.1 23 10.0 -68.2 281 67 448.1 448.1 310.7 448.2 0.01 35 50 20110 -68.5 -95.5 1 27.0 -68.7 285 64 482.1 482.1 313.6 482.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5461.00 m Freezing level: Surface below freezing Freezing level: 910.57 mb = 944.38 m = 3098.33 ft Freezing level: 721.00 mb = 2867.28 m = 9406.96 ft Wetbulb zero: Below ground Precipitable water: 0.50 inches Sfc-500 mean rel hum: 63.45 % Est. max temperature: 21.58 C = 70.84 F Sfc-Lift cond lev (LCL): 880.29 mb = 1221.48 m = 4007.42 ft T: 9.91 C 700-500 lapse rate: 6.66 C/km ThetaE index: 3.85 C Layer 850.0- 700.0 mb Conv cond level (CCL): 946.00 mb = 645.75 m = 2118.57 ft Mean mixing ratio: 3.21 g/kg Conv temperature: -3.12 C = 26.38 F Cap Strength: 12.09 C Lifted Index: 12.61 C Risk: None Lifted Index @300 mb: 15.87 C Lifted Index @700 mb: 9.80 C Showalter Index: 4.82 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.50 C Cross Totals Index: 12.50 C K Index: 16.70 Risk: < 20 % chance of thunderstorms Sweat Index: 37.00 Risk: None Energy Index: 1.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 142.29 J/kg Max Up Vert Vel: 16.87 m/s Conv Inhibition (B-): 23058.18 J/kg Cap Strength: 12.51 C Lift Cond Lev (LCL): 786.68 mb = 2153.54 m = 7065.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 12 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 ---------------------------------------------------------- 0 946 646 290 5 4.7 -1.7 | 98 7 -6.7 0.9 1 925 819 155 7 -3.0 6.3 | 122 17 -14.3 8.9 2 850 1514 190 9 1.6 8.9 | 139 15 -9.8 11.5 3 700 3097 265 19 18.9 1.7 | 241 9 7.6 4.3 4 500 5680 260 19 18.7 3.3 | 231 9 7.3 5.9 5 70 18110 280 68 67.0 -11.8 | 279 56 55.6 -9.2 6 50 20110 285 64 61.8 -16.6 | 285 52 50.4 -14.0 Wind Parameters Mean winds (0-6000m): 252.9 at 15.6 knts Storm direction: 282.9 at 11.7 knts Shear (0-3000m) pos: 3.6 neg: 2.0 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 140.9 deg Storm rel helicity (0-3000m) pos: 93.0 neg: -10.6 tot: 82.5 m^2/s^2 ave: 27.5 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 4.7 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 4.05 Bulk Shear: 35.12 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 ------------------------------------------------------------------------------- 500 169 7 127 16| 0.0 11.5 11.5| 21.1 -9.9 11.2 22.4 0.32| 16.2 5.2 1000 179 8 132 15| 2.2 5.8 8.0| 37.3 -9.9 27.4 27.4 0.45| 10.3 4.6 1500 193 9 141 15| 3.3 3.8 7.2| 57.0 -9.9 47.1 31.4 0.56| 8.8 4.9 2000 210 10 152 13| 4.0 2.9 6.9| 76.1 -9.9 66.2 33.1 0.63| 8.3 5.3 2500 230 12 167 10| 4.3 2.3 6.6| 93.0 -9.9 83.1 33.3 0.69| 8.1 5.7 3000 240 13 179 9| 3.6 2.0 5.6| 93.0 -10.6 82.5 27.5 0.68| 6.8 4.7 4000 249 15 195 8| 2.7 1.6 4.3| 93.0 -12.0 81.1 20.3 0.66| 5.2 3.4 5000 253 16 206 8| 2.2 1.3 3.5| 93.0 -13.3 79.7 15.9 0.63| 4.2 2.7 6000 NO DATA | | | Wrote GIF file: 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