Connecticut, 2009

High Wind in Connecticut, February 12, 2009

February 12, 2009 · NWS OKX · 3 events in 3 counties and zones

An intense area of low pressure over the Eastern Great Lakes on the morning of February 12, tracked northeast and up into the Canadian Maritimes by evening. High winds developed near daybreak, right behind the cold front, and continued through the day.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS OKX wrote it up.

An intense area of low pressure over the Eastern Great Lakes on the morning of February 12, tracked northeast and up into the Canadian Maritimes by evening. High winds developed near daybreak, right behind the cold front, and continued through the day. The strongest winds occurred during the morning and appeared to be associated with sharp pressure rises right behind the cold front. There were numerous trees and power lines down from the event, with several thousand power outages across southern Connecticut.

The following are some peak wind gusts across southern Connecticut: Fairfield County, New Canaan 51 mph; New Haven County, Hamden and Oxford at 54 mph; Middlesex County, 48 mph at Durham; and New London County, 51 mph at Groton.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS New York, NY wrote its last area forecast discussion before the first event at Feb 12, 6:30 AM EST, 1 hour 30 minutes earlier.

Area forecast discussion, Feb 12, 6:30 AM EST, 1 hour 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NEW YORK NY
630 AM EST THU FEB 12 2009

.SYNOPSIS...
A POWERFUL STORM SYSTEM WILL TRACK NORTH OF THE TRI-STATE AREA AND
BRING STRONG WINDS TODAY AND TONIGHT. A SEASONABLY COOL WEATHER
PATTERN WILL THEN SET UP AND LAST INTO THE BEGINNING OF NEXT WEEK.

&&

.NEAR TERM /UNTIL 10 AM THIS MORNING/...
NEAR TERM UPDATE...HAVE UPGRADED NYC AND LONG ISLAND TO A SHORT
FUSED HIGH WIND WARNING AS 10Z OBS SHOW STRONG WINDS EXTENDING
FARTHER SOUTH THAN EXPECTED AND MOVING INTO AREAS E OF THE
APPALACHIANS...WITH MDT IN SE PA GUSTING TO 49 KT.
OTHER IMPRESSIVE PEAK WINDS OCCURRED AT HGR AND MRB ACROSS
NORTHERN MD/WV...WITH PEAK WINDS 54 AND 62 KT WILL MAINTAIN WIND
ADVISORY ELSEWHERE...BUT WITH OUTSIDE POSSIBILITY THAT COASTAL CT
MAY EVENTUALLY NEED TO BE ADDED TO THE WARNING.

FROM PREV DISCUSSION...SHRA ACROSS CNTRL PA TRACKING ENE AT 55KT.
AS THE PCPN GETS E OF THE MOUNTAINS HOWEVER...IT APPEARS THE
DOWNSLOPE FLOW IS AIDING IN THE DETERIORATION OF RADAR RETURNS.
PCPN TIMES OUT AT AROUND 930Z ORANGE COUNTY TO 12Z ERN CT. LINEAR
INTERPOLATION DOES TAKE THE PCPN N OF KNYC AND LI. HAVE GONE WITH
SCT SHRA ACROSS THE NWRN ZONES AND SCT-ISOLD FURTHER E. FG HAS
ALSO DEVELOPED EARLY THIS AM. INCLUDED FG IN GRIDS BUT THIS IS
EXPECTED TO DISSIPATE AS THE LEADING EDGE OF THE SHRA
ACTIVITY...AND MORE IMPORTANTLY MIXING WINDS..CLEARS THE CWA BY
13-14Z.

&&

.SHORT TERM /10 AM THIS MORNING THROUGH SATURDAY/...
NAM/GFS IN GOOD AGREEMENT AT H5 FOR TODAY/S STORM. GFS INTENSIFIES
THE SFC LOW A BIT DEEPER AS IT TRACKS THRU THE ERN GREAT LAKES
EARLY THIS AM. STEEPEST LLVL LAPSE RATES DEVELOP ACROSS NRN
PORTIONS OF THE CWA. MDT FROGEN AT H85 LOOKS TO ADD SOME FORCING.
FCST CARRIES SCT SHRA N AND ISOLD S WITH STORM MOTION SEWD AT
40KT.

COOLER AIR AT H85 ACROSS CNTRL PA AT 8Z WILL MAKE IT THRU THE CWA
BY AROUND 15Z. THIS WILL STABILIZE TEMPS THIS AFTN. SCT-BKN SKIES
MOST OF THE CWA WITH BKN-OVC NRN ZONES.

INSTABILITY DECREASES OVERNIGHT. ISOLD SHRASN. ATM DRYS OUT FRI
WITH PW/S LESS THAN 0.2IN. NO POPS AND TEMPS NEAR CLIMO.

MOISTURE REMAINS SPARSE FOR SAT SO MAINTAINED A DRY FCST. WITH
HIGH PRES RIDGING SWD AND LIGHTER WINDS...HIGHS MAY BE A BIT
COOLER THAN FRI WITH LESS MIXING DESPITE WARMER TEMPS ALOFT.

&&

.LONG TERM /SATURDAY NIGHT THROUGH WEDNESDAY/...
GFS ENSEMBLES/GFS/ECMWF CONTINUE TO TREND SWD WITH THE S/W THAT
WILL BE TRACKING ACROSS THE CNTRL AND SRN CONUS. HAVE DOWNGRADED
POPS AND WILL CARRY A DRY FCST SAT NIGHT. LITTLE CHANGE NEEDED TO
THE REST OF THE EXTENDED AS ANY SIGNIFICANT MOISTURE IS PROGGED TO
REMAIN S OF THE CWA WITH AN ACTIVE SRN STREAM. MAINLY DRY W/NW
FLOW ALOFT THRU TUE. CONTINUE THE DRY FCST WITH SEASONABLE TEMPS.

MODELS CONTINUE TO HINT AT POTENTIAL ACTIVITY FOR THE MIDDLE OF
NEXT WEEK.

&&

.AVIATION /10Z THURSDAY THROUGH MONDAY/...
AT 11Z STRONG WEST WINDS OF 25-30 KT WITH GUSTS G45-50 KT WERE
TAKING PLACE OVER EASTERN PA...AND WILL SPREAD EASTWARD TO THE NYC
AREA AND LOWER HUDSON VALLEY TERMINALS BETWEEN 12Z-13Z...TO
KISP/KBDR BY 13Z-14Z...AND TO KGON BY ABOUT 15Z. STRONGEST WINDS ARE
EXPECTED AT NYC AREA TERMINALS AND KISP/KSWF...AND SHOULD OCCUR
BEFORE 18Z-19Z...THEN SLOWLY DECREASE LATER THIS AFTERNOON INTO
TONIGHT AND TURN MORE WNW.

OUTLOOK FOR 12Z FRIDAY THROUGH MONDAY...
VFR. GUSTY NW WINDS CONTINUE TO SLOWLY DIMINISH ON FRI. GUSTY N
WINDS ARE POSSIBLE AGAIN SAT NIGHT INTO SUN.

&&

.MARINE...
STRONG LOW PRESSURE MOVING FROM ONTARIO INTO FAR UPSTATE NY AND
NORTHERN NEW ENGLAND TODAY WILL TIGHTEN THE LOCAL PRESSURE GRADIENT
CONSIDERABLY...WITH SUSTAINED WINDS 25-30 KT AND GUSTS 35-45 KT
DEVELOPING AFTER DAYBREAK..AND HIGHEST NEAR SHORE. DESPITE 50-KT LOW
LEVEL JET DEVELOPING OVER THE AREA TODAY...THINK MARINE LAYER WILL
KEEP THESE STRONGER WINDS FROM REACHING THE SEA SURFACE EXCEPT FOR A
BRIEF PERIOD LATE TONIGHT...SO MAY MENTION OCNL 50-KT GUSTS LATE
TONIGHT FOR THE OCEAN...OTHERWISE GALE WARNING CONTINUES MOSTLY AS
IS...EXCEPT EXTENDED INTO FRI MORNING FOR THE OCEAN WATERS.

THEREAFTER...SCA CONDITIONS ARE LIKELY TO CONTINUE INTO FRI NIGHT ON
ALL WATERS...POSSIBLY INTO SAT MORNING ON THE OCEAN.

WINDS INCREASING ACROSS ALL WATERS SUN/MON IN WAKE OF DEEPENING LOW
PRESSURE TRACKING E OFF THE MID ATLANTIC COAST BRINGS POTENTIAL FOR
SCA CONDITIONS ON AT LEAST THE OCEAN WATERS DURING THIS TIME...AND
POSSIBLY ALL WATERS DEPENDING ON STRENGTH OF OFFSHORE DEVELOPMENT.

&&

.HYDROLOGY...
FFA CONTINUES WITH AN ICE JAM BEING MONITORED IN ORANGE COUNTY.
PCPN TODAY UP TO 0.25IN NWRN ZONES...WITH 0.1 OR LESS FCST FOR THE
REST OF THE CWA...INCLUDING THE NYC METRO.

&&

.TIDES/COASTAL FLOODING...
HAVE ISSUED LOW WATER ADVISORY FOR ALL WATERS EXCEPT THE OCEAN E OF
FIRE ISLAND INLET...AS ASTRONOMICAL TIDES ASSOCIATED WITH THE
CURRENT FULL MOON COMBINE WITH STRONG OFFSHORE FLOW TO BRING WATER
LEVELS TO AROUND 2 FT BELOW MLLW DURING THE LOW TIDE CYCLES LATE
THIS AFTERNOON/THIS EVENING AND AGAIN EARLY FRI MORNING.

&&

.OKX WATCHES/WARNINGS/ADVISORIES...
CT...WIND ADVISORY UNTIL 11 PM EST THIS EVENING FOR CTZ005>012.
NY...HIGH WIND WARNING UNTIL 11 PM EST THIS EVENING FOR NYZ071>081.
     WIND ADVISORY UNTIL 11 PM EST THIS EVENING FOR NYZ067>070.
     FLOOD WATCH THROUGH THIS AFTERNOON FOR NYZ067.
NJ...HIGH WIND WARNING UNTIL 11 PM EST THIS EVENING FOR NJZ003>006-
     011.
     WIND ADVISORY UNTIL 11 PM EST THIS EVENING FOR NJZ002.
MARINE...LOW WATER ADVISORY FROM 2 PM THIS AFTERNOON TO 9 AM EST FRIDAY
     FOR ANZ330-335-338-340-345-355.
     GALE WARNING UNTIL 6 AM EST FRIDAY FOR ANZ330-335-338-340-345.
     GALE WARNING UNTIL NOON EST FRIDAY FOR ANZ350-353-355.

&&

SYNOPSIS...JMC
NEAR TERM...BG/JMC
SHORT TERM...JMC
LONG TERM...JMC
AVIATION...BG
MARINE...BG
HYDROLOGY...JMC
TIDES/COASTAL FLOODING...BG
Hazardous weather outlook, Feb 12, 5:23 AM EST, 2 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE NEW YORK NY
523 AM EST THU FEB 12 2009

NJZ003>006-011-NYZ071>081-130930-
BERGEN-EASTERN PASSAIC-ESSEX-HUDSON-UNION-SOUTHERN WESTCHESTER-
NEW YORK (MANHATTAN)-BRONX-RICHMOND (STATEN ISLAND)-KINGS (BROOKLYN)-
QUEENS-NASSAU-NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-
SOUTHWESTERN SUFFOLK-SOUTHEASTERN SUFFOLK-
523 AM EST THU FEB 12 2009

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST NEW JERSEY AND
SOUTHEAST NEW YORK.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HIGH WIND WARNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE REQUESTED TO RELAY HIGH WIND REPORTS TO THE NATIONAL
WEATHER SERVICE.

&&

THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL
WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING
CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN
EFFECT ARE HIGHLIGHTED.

PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS
WARNING CRITERIA.

CTZ005>012-NJZ002-NYZ068>070-130930-
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-
NORTHERN NEW LONDON-SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-WESTERN PASSAIC-PUTNAM-
ROCKLAND-NORTHERN WESTCHESTER-
523 AM EST THU FEB 12 2009

...WIND ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN
CONNECTICUT...NORTHEAST NEW JERSEY AND SOUTHEAST NEW YORK.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

&&

THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL
WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING
CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN
EFFECT ARE HIGHLIGHTED.

PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS
WARNING CRITERIA.

NYZ067-130930-
ORANGE-
523 AM EST THU FEB 12 2009

...FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON...
...WIND ADVISORY IN EFFECT UNTIL 11 PM EST THIS EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST NEW YORK.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   FLOOD WATCH.
   WIND ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

&&

THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL
WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING
CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN
EFFECT ARE HIGHLIGHTED.

PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS
WARNING CRITERIA.

ANZ330-335-338-340-345-130930-
LONG ISLAND SOUND EAST OF NEW HAVEN CT/PORT JEFFERSON NY-
LONG ISLAND SOUND WEST OF NEW HAVEN CT/PORT JEFFERSON NY-
NEW YORK HARBOR-PECONIC AND GARDINERS BAYS-
SOUTH SHORE BAYS FROM JONES INLET THROUGH SHINNECOCK BAY-
523 AM EST THU FEB 12 2009

...GALE WARNING IN EFFECT UNTIL 6 AM EST FRIDAY...
...LOW WATER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 AM EST
FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.
   LOW WATER ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   LOW WATER ADVISORY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

&&

THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL
WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING
CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN
EFFECT ARE HIGHLIGHTED.

PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS
WARNING CRITERIA.

ANZ355-130930-
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM-
523 AM EST THU FEB 12 2009

...GALE WARNING IN EFFECT UNTIL NOON EST FRIDAY...
...LOW WATER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 AM EST
FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.
   LOW WATER ADVISORY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.
   LOW WATER ADVISORY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

&&

THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL
WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING
CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN
EFFECT ARE HIGHLIGHTED.

PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS
WARNING CRITERIA.

ANZ350-353-130930-
MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM-
FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM-
523 AM EST THU FEB 12 2009

...GALE WARNING IN EFFECT UNTIL NOON EST FRIDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   GALE WARNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

&&

THIS HAZARDOUS WEATHER OUTLOOK PROVIDES A SUMMARY OF POTENTIAL
WIDESPREAD HAZARDOUS WEATHER EVENTS THAT MAY REACH NWS WARNING
CRITERIA. MOST LONG FUSED NWS WATCHES...WARNINGS AND ADVISORIES IN
EFFECT ARE HIGHLIGHTED.

PLEASE REFER TO THE LATEST NWS FORECASTS FOR WEATHER NOT MEETING NWS
WARNING CRITERIA.

JMC

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 high wind. Local standard time, as filed.

High Wind, Northern Fairfield

When
February 12, 8:00 AM EST to 12:00 PM EST
Where
Northern Fairfield forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
Newspaper
Coordinates
41.285, -73.339 (the zone’s center; the record gives no point)

Connecticut Light and Power reported several thousand power outages with the city of Danbury hit the hardest, with over 2000 customers without power in the morning. Downed power lines and trees across the area resulted in numerous road closures across the area.

High Wind, Southern Fairfield

When
February 12, 8:00 AM EST to 12:00 PM EST
Where
Southern Fairfield forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
Newspaper
Coordinates
41.285, -73.339 (the zone’s center; the record gives no point)

Numerous trees and power lines reported down across the county, resulting in power outages and road closures.

High Wind, Southern New Haven

When
February 12, 8:00 AM EST to 12:00 PM EST
Where
Southern New Haven forecast zone
Measured
50 kt (58 mph) estimated gust
Reported by
Newspaper
Coordinates
41.443, -72.965 (the zone’s center; the record gives no point)

Numerous trees and power lines reported down across the county, resulting in power outages and road closures.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Connecticut in 2009Every state in 2009This day in weather historyWarnings in Connecticut, February 2009

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 154629, 154630, 154631.