Narrative:

Flight from ZZZ1 to ZZZ2. Departed ZZZ1. ZZZ2 700 ft overcast (tops reported 3500 ft MSL; 2500 ft AGL). Forecast of approximately 1000 ft overcast at ZZZ2. After climbing out of ZZZ1 (no ice/above freezing) uneventful flight. Nearing ZZZ2 WX 500 ft overcast then 300 ft overcast (1 1/4 mi visibility in mist). Temperature 45 degrees F at 4000 ft and -1 degree C at surface. Started descent from 4000 ft 9 mi out on localizer. Moderate clear ice encountered at about 3000 ft. At 2200 ft; I listened to ASOS and report said 100 ft overcast; 1/2 mi visibility in freezing drizzle. Went missed to get warm on top. Could not climb past 3400 ft due to clear ice. Declared an emergency; came around; intercepted localizer 3 mi out; descended and landed uneventfully. About 1 inch of jagged clear ice on aircraft. Ice happened fast.

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Original NASA ASRS Text

Title: A PA28 PLT ENCOUNTERED NON FORECAST DEST ICING AND ATTEMPTED UNSUCCESSFULLY TO REACH WARM AIR FOLLOWING A MISSED APCH. THE PLT MADE AN EMER LOW VISIBILITY LNDG.

Narrative: FLT FROM ZZZ1 TO ZZZ2. DEPARTED ZZZ1. ZZZ2 700 FT OVCST (TOPS RPTED 3500 FT MSL; 2500 FT AGL). FORECAST OF APPROX 1000 FT OVCST AT ZZZ2. AFTER CLBING OUT OF ZZZ1 (NO ICE/ABOVE FREEZING) UNEVENTFUL FLT. NEARING ZZZ2 WX 500 FT OVCST THEN 300 FT OVCST (1 1/4 MI VISIBILITY IN MIST). TEMP 45 DEGS F AT 4000 FT AND -1 DEG C AT SURFACE. STARTED DSCNT FROM 4000 FT 9 MI OUT ON LOC. MODERATE CLR ICE ENCOUNTERED AT ABOUT 3000 FT. AT 2200 FT; I LISTENED TO ASOS AND RPT SAID 100 FT OVCST; 1/2 MI VISIBILITY IN FREEZING DRIZZLE. WENT MISSED TO GET WARM ON TOP. COULD NOT CLB PAST 3400 FT DUE TO CLR ICE. DECLARED AN EMER; CAME AROUND; INTERCEPTED LOC 3 MI OUT; DSNDED AND LANDED UNEVENTFULLY. ABOUT 1 INCH OF JAGGED CLR ICE ON ACFT. ICE HAPPENED FAST.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.