Pittsburgh Forecast

Meteorology 415Fall 2012Contest 2

The Profile of Steel City

Population (2010[6]) • City 305,704 • Density 5,636/sq mi (2,176/km2) • Urban 1,753,136 • Metro 2,356,285 • Demonym Pittsburgher

Pittsburgh OBS• KPIT 181751Z 19009G15KT 10SM OVC055 19/07 A2967 RMK AO2 SLP049 T01940067 10194

20111 55004=KPIT 181751Z 19009G15KT 10SM OVC055 19/07 A2967=KPIT 181851Z 27022G30KT 10SM SCT048 OVC060 18/07 A2969 RMK AO2 PK WND 28030/1851 SLP059 T01780072=KPIT 181851Z 27022G30KT 10SM SCT048 OVC060 18/07 A2969=KPIT 181951Z 27010G19KT 10SM -RA BKN055 OVC070 12/08 A2971 RMK AO2 PK WND 27028/1858 SLP068 RAB39 P0000 T01220083=KPIT 181951Z 27010G19KT 10SM -RA BKN055 OVC070 12/08 A2971=KPIT 182051Z 27006KT 5SM -RA SCT049 OVC065 11/08 A2973 RMK AO2 SLP075 P0009 60009 T01060078 51020=KPIT 182051Z 27006KT 5SM -RA SCT049 OVC065 11/08 A2973=KPIT 182151Z 14003KT 5SM -RA BKN049 OVC075 11/08 A2974 RMK AO2 RAE12B36 SLP079 P0003 T01060078=KPIT 182151Z 14003KT 5SM -RA BKN049 OVC075 11/08 A2974=KPIT 182251Z 10004KT 6SM -RA BR FEW055 BKN070 OVC085 09/08 A2977 RMK AO2 SLP090 P0004 T00940083=KPIT 182251Z 10004KT 6SM -RA BR FEW055 BKN070 OVC085 09/08 A2977=KPIT 182251Z 10004KT 6SM -RA BR FEW055 BKN070 OVC085 09/08 A2977 RMK AO2 SLP090 P0004 T00940083=KPIT 182351Z 14004KT 10SM BKN075 OVC130 10/08 A2979 RMK AO2 RAE48 SLP098 RE37 P0000 60016 T01000083 10194 20094 53022=KPIT 182351Z 14004KT 10SM BKN075 OVC130 10/08 A2979=

Pittsburgh OBS• KPIT 182351Z 14004KT 10SM BKN075 OVC130 10/08 A2979 RMK AO2 RAE48 SLP098 RE37 P0000• 60016 T01000083 10194 20094 53022=• KPIT 182351Z 14004KT 10SM BKN075 OVC130 10/08 A2979=• KPIT 190051Z 16005KT 9SM -RA BKN075 OVC130 09/08 A2983 RMK AO2 RAB20 SLP112 P0000• T00940083=• KPIT 190051Z 16005KT 9SM -RA BKN075 OVC130 09/08 A2983=• KPIT 190151Z 13012KT 10SM BKN080 OVC110 10/08 A2980 RMK AO2 RAE35 SLP097 BINOVC P0001• T01000083=• KPIT 190151Z 13012KT 10SM BKN080 OVC110 10/08 A2980=• KPIT 190251Z 00000KT 9SM FEW110 09/08 A2980 RMK AO2 SLP099 60001 T00940083 51003=• KPIT 190251Z 00000KT 9SM FEW110 09/08 A2980=• KPIT 190351Z 00000KT 7SM R28R/2800VP6000FT MIFG FEW001 07/07 A2980 RMK AO2 SLP098• T00720067=• KPIT 190351Z 00000KT 7SM R28R/2800VP6000FT MIFG FEW001 07/07 A2980=• KPIT 190435Z 13004KT 1/4SM R28R/4500VP6000FT BR BKN002 08/08 A2979 RMK AO2 SFC VIS 1=• KPIT 190435Z 13004KT 1/4SM R28R/4500VP6000FT BR BKN002 08/08 A2979=• KPIT 190451Z 14005KT 1/4SM R28R/2200VP6000FT FG OVC002 08/08 A2979 RMK AO2 SLP093• T00830078 401940072=• KPIT 190451Z 14005KT 1/4SM R28R/2200VP6000FT FG OVC002 08/08 A2979=• KPIT 190551Z 13005KT 1/4SM R28R/2000V3500FT FG VV002 09/08 A2979 RMK AO2 SLP092 60001• T00890083 10100 20072 56006=• KPIT 190551Z 13005KT 1/4SM R28R/2000V3500FT FG VV002 09/08 A2979=

Pittsburgh OBS• KPIT 190551Z 13005KT 1/4SM R28R/2000V3500FT FG VV002 09/08 A2979=• KPIT 190651Z 15005KT 1/4SM R28R/5500VP6000FT BR BKN002 09/08 A2978 RMK AO2 SFC VIS 2• SLP090 T00890083=• KPIT 190651Z 15005KT 1/4SM R28R/5500VP6000FT BR BKN002 09/08 A2978=• KPIT 190751Z 12005KT 1/4SM BR OVC002 09/08 A2976 RMK AO2 SFC VIS 1 1/2 SLP087• T00890083=• KPIT 190751Z 12005KT 1/4SM BR OVC002 09/08 A2976=• KPIT 190851Z 12004KT 1/4SM R28R/3500VP6000FT BR OVC002 09/08 A2975 RMK AO2 SFC VIS 1• SLP083 T00890083 58013=• KPIT 190851Z 12004KT 1/4SM R28R/3500VP6000FT BR OVC002 09/08 A2975=• KPIT 190951Z 12006KT 1/4SM R28R/2400VP6000FT BR VV002 08/08 A2973 RMK AO2 SFC VIS 3/4• SLP078 T00830083=• KPIT 190951Z 12006KT 1/4SM R28R/2400VP6000FT BR VV002 08/08 A2973=• KPIT 191039Z 13003KT 1SM BR OVC003 08/08 A2974 RMK AO2 SFC VIS 2 BINOVC=• KPIT 191039Z 13003KT 1SM BR OVC003 08/08 A2974=• KPIT 191051Z 00000KT 1SM BR OVC003 08/07 A2974 RMK AO2 SFC VIS 2 SLP080 BINOVC• T00780072=• KPIT 191051Z 00000KT 1SM BR OVC003 08/07 A2974=• KPIT 191125Z 09004KT 1/4SM R28R/1200V6000FT FG BKN001 BKN070 07/07 A2973 RMK AO2=• KPIT 191125Z 09004KT 1/4SM R28R/1200V6000FT FG BKN001 BKN070 07/07 A2973=• KPIT 191133Z 09004KT 1/4SM R28R/1000V1400FT FG BKN001 BKN070 07/07 A2973 RMK AO2=• KPIT 191133Z 09004KT 1/4SM R28R/1000V1400FT FG BKN001 BKN070 07/07 A2973=• KPIT 191149Z 09004KT 1/8SM R28R/1200VP6000FT FG VV001 07/07 A2972 RMK AO2=• KPIT 191149Z 09004KT 1/8SM R28R/1200VP6000FT FG VV001 07/07 A2972=• KPIT 191151Z 00000KT 1/8SM R28R/1200VP6000FT FG VV001 07/07 A2973 RMK AO2 SLP077• 70017 T00720067 10089 20067 56006=

Pittsburgh OBS• KPIT 191151Z 00000KT 1/8SM R28R/1200VP6000FT FG VV001 07/07 A2973 RMK AO2 SLP077 70017

T00720067 10089 20067 56006=• KPIT 191151Z 00000KT 1/8SM R28R/1200VP6000FT FG VV001 07/07 A2973=• KPIT 191251Z 10004KT 1SM R28R/P6000FT BR SCT001 BKN100 08/08 A2973 RMK AO2 SLP077 VIS NW-N 4

T00830078=• KPIT 191251Z 10004KT 1SM R28R/P6000FT BR SCT001 BKN100 08/08 A2973=• KPIT 191304Z 13005KT 5SM BR FEW001 SCT100 08/08 A2973 RMK AO2=• KPIT 191304Z 13005KT 5SM BR FEW001 SCT100 08/08 A2973=• KPIT 191351Z 13006KT 10SM FEW045 SCT100 11/08 A2972 RMK AO2 SLP073 T01060078=• KPIT 191351Z 13006KT 10SM FEW045 SCT100 11/08 A2972=• KPIT 191451Z 14007KT 10SM FEW045 SCT100 SCT250 13/08 A2970 RMK AO2 SLP065 T01280078 58009=• KPIT 191451Z 14007KT 10SM FEW045 SCT100 SCT250 13/08 A2970=• KPIT 191551Z 19008KT 10SM FEW055 SCT250 15/07 A2968 RMK AO2 SLP060 T01500067=• KPIT 191551Z 19008KT 10SM FEW055 SCT250 15/07 A2968=• KPIT 191651Z 19009G18KT 10SM SCT030 SCT250 17/04 A2966 RMK AO2 SLP050 T01670044=• KPIT 191651Z 19009G18KT 10SM SCT030 SCT250 17/04 A2966=• KPIT 191751Z 19005G14KT 10SM BKN050 BKN250 17/04 A2964 RMK AO2 SLP042 T01720039 10172 20067

58020=• KPIT 191751Z 19005G14KT 10SM BKN050 BKN250 17/04 A2964=

Pittsburgh OBS• KPIT 200051Z 24013G21KT 10SM -RA OVC065 14/02 A2966 RMK AO2 RAB45 SLP050 P0000• T01440017=• KPIT 200051Z 24013G21KT 10SM -RA OVC065 14/02 A2966=• KPIT 200151Z 25007KT 10SM -RA BKN055 OVC080 11/06 A2970 RMK AO2 PK WND• 23029/0103 SLP065 P0000 T01060061=• KPIT 200151Z 25007KT 10SM -RA BKN055 OVC080 11/06 A2970=• KPIT 200251Z 21007KT 10SM SCT060 BKN100 09/07 A2969 RMK AO2 RAE50 SLP062 P0001• 60001 T00940067 50021=• KPIT 200251Z 21007KT 10SM SCT060 BKN100 09/07 A2969=• KPIT 200351Z 23010G18KT 10SM SCT020 OVC031 09/05 A2971 RMK AO2 SLP067 BINOVC• T00940050=• KPIT 200351Z 23010G18KT 10SM SCT020 OVC031 09/05 A2971=• KPIT 200439Z 21007KT 10SM BKN022 OVC030 09/05 A2972 RMK AO2=• KPIT 200439Z 21007KT 10SM BKN022 OVC030 09/05 A2972=• KPIT 200451Z 22008KT 10SM BKN022 OVC029 09/05 A2972 RMK AO2 SLP069 T00890050• 401830067=• KPIT 200451Z 22008KT 10SM BKN022 OVC029 09/05 A2972=• KPIT 200551Z 21007KT 10SM BKN026 OVC033 08/04 A2971 RMK AO2 SLP068 60001• T00830044 10156 20083 50008=• KPIT 200551Z 21007KT 10SM BKN026 OVC033 08/04 A2971=• KPIT 200633Z 18005KT 10SM SCT026 OVC035 08/04 A2971 RMK AO2=• KPIT 200633Z 18005KT 10SM SCT026 OVC035 08/04 A2971=

Pittsburgh OBS• KPIT 200651Z 18005KT 10SM SCT026 OVC033 08/04 A2972 RMK AO2 SLP069 T00830044=• KPIT 200651Z 18005KT 10SM SCT026 OVC033 08/04 A2972=• KPIT 200711Z 17005KT 10SM BKN024 OVC036 08/04 A2972 RMK AO2=• KPIT 200711Z 17005KT 10SM BKN024 OVC036 08/04 A2972=• KPIT 200751Z 18006KT 10SM BKN021 OVC030 08/04 A2972 RMK AO2 SLP071 T00830044=• KPIT 200751Z 18006KT 10SM BKN021 OVC030 08/04 A2972=• KPIT 200851Z 19005KT 4SM -RA OVC019 08/06 A2972 RMK AO2 RAB51 SLP070 P0000• 60000 T00830056 50002=• KPIT 200851Z 19005KT 4SM -RA OVC019 08/06 A2972=• KPIT 200951Z 21005KT 6SM -RA BR SCT014 BKN019 OVC029 08/06 A2972 RMK AO2 SLP071• P0003 T00780061=• KPIT 200951Z 21005KT 6SM -RA BR SCT014 BKN019 OVC029 08/06 A2972=• KPIT 201040Z 21008KT 8SM SCT022 SCT039 BKN055 08/06 A2972=• KPIT 201040Z 21008KT 8SM SCT022 SCT039 BKN055 08/06 A2972 RMK AO2 RAE40 P0005=• KPIT 201051Z 21008KT 10SM FEW013 SCT050 BKN250 08/06 A2972 RMK AO2 RAE40 SLP071• P0006 T00780056=• KPIT 201051Z 21008KT 10SM FEW013 SCT050 BKN250 08/06 A2972=• KPIT 201138Z 22005KT 10SM -RA FEW016 BKN029 OVC050 07/06 A2974=• KPIT 201138Z 22005KT 10SM -RA FEW016 BKN029 OVC050 07/06 A2974 RMK AO2 RAB37• P0000=• KPIT 201151Z 22006KT 10SM SCT024 BKN033 BKN050 07/06 A2974 RMK AO2 RAB37E48• SLP077 P0000 60009 70010 T00720056 10083 20072 53005=

Pittsburgh OBS• KPIT 201151Z 22006KT 10SM SCT024 BKN033 BKN050 07/06 A2974 RMK AO2 RAB37E48• SLP077 P0000 60009 70010 T00720056 10083 20072 53005=• KPIT 201151Z 22006KT 10SM SCT024 BKN033 BKN050 07/06 A2974=• KPIT 201251Z 24007KT 10SM FEW035 BKN055 08/06 A2975 RMK AO2 SLP081 T00780056=• KPIT 201251Z 24007KT 10SM FEW035 BKN055 08/06 A2975=• KPIT 201351Z 23007G14KT 10SM SCT018 BKN039 BKN060 09/06 A2976 RMK AO2 SLP085• T00890056=• KPIT 201351Z 23007G14KT 10SM SCT018 BKN039 BKN060 09/06 A2976=• KPIT 201451Z 24012G19KT 10SM SCT021 BKN035 BKN060 09/04 A2977 RMK AO2 SLP090• T00940044 53011=• KPIT 201451Z 24012G19KT 10SM SCT021 BKN035 BKN060 09/04 A2977=• KPIT 201551Z 22010G17KT 10SM SCT023 BKN035 OVC043 10/04 A2978 RMK AO2 SLP092• T01000039=• KPIT 201551Z 22010G17KT 10SM SCT023 BKN035 OVC043 10/04 A2978=• KPIT 201651Z 27008G15KT 9SM -RA SCT023 BKN031 OVC040 09/05 A2978 RMK AO2 RAB36• SLP094 P0000 T00940050=• KPIT 201651Z 27008G15KT 9SM -RA SCT023 BKN031 OVC040 09/05 A2978=• KPIT 201751Z 26008KT 7SM -RA BKN026 OVC032 09/06 A2978 RMK AO2 RAE00B44 SLP095• P0000 60000 T00940056 10106 20072 51004=• KPIT 201751Z 26008KT 7SM -RA BKN026 OVC032 09/06 A2978=• KPIT 201813Z 24007KT 7SM SCT021 BKN030 BKN080 09/07 A2978 RMK AO2 RAE08 P0001=• KPIT 201813Z 24007KT 7SM SCT021 BKN030 BKN080 09/07 A2978=• KPIT 201851Z 23011G17KT 10SM SCT016 BKN046 BKN055 10/06 A2978 RMK AO2 RAE08• SLP094 P0003 T01000061=• KPIT 201851Z 23011G17KT 10SM SCT016 BKN046 BKN055 10/06 A2978=• KPIT 201951Z 24008G16KT 7SM FEW038 SCT055 11/06 A2979 RMK AO2 RAB19E29 SLP096• P0000 T01060056=• KPIT 201951Z 24008G16KT 7SM FEW038 SCT055 11/06 A2979=• KPIT 202051Z 25007KT 10SM FEW040 BKN065 11/04 A2981 RMK AO2 SLP103 60003• T01110044 53008=

Pittsburgh Synoptic Pattern

Pittsburgh Satellite View

Pittsburgh Radar

Pittsburgh Guidance

Pittsburgh Verifications

Pittsburgh Verifications

Pittsburgh Short Range - Survey

Pittsburgh Short Range - Career

Up Close and Personal

Pittsburgh – Saturday Satellite

Pittsburgh – Long Range: Career

Up Close and Personal

Pittsburgh: Lessons Learned

• Rain followed by clearing (especially in a light southerly flow at the surface) can lead to dense fog in the autumn.

• Spokes of showers rotating around the upper level low are difficult to time, though daytime heating can aid in vertical motions.

• Surface temperatures reflect 1000-500mb thickness decreases.

Weekly Winners: Survey

Weekly Winners: Career