Alert archive / New York / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 135, NWS New York, NY

August 14, 2008Orange County, Rockland County, New York

NWS New York, NY issued this severe thunderstorm warning at Aug 14, 2008, 2:45 PM EDT for Orange County, Rockland County, New York. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 14, 2008, 2:45 PM EDT (18:45 UTC)
Expired
Aug 14, 2008, 3:30 PM EDT
In force
45 min
Issued by
NWS New York, NY
Area
Storm-based polygon

Counties Orange County, NY, Rockland County, NY

The radar

The Brookhaven radar (KOKX), 118 km from the middle of the area, began a volume at 18:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 6.8 hours before the alert went out and 160 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Albany, NY at 12:00Z on 2008-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2008-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
77 J/kg
Mixed-layer CIN
-84 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Aug 14, 2:45 PM EDT, 0 minutes earlier.

Area forecast discussion, Aug 14, 2:45 PM EDT, 0 minutes before
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Hazardous weather outlook, Aug 14, 5:55 AM EDT, 8 hours 50 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE UPTON NY
555 AM EDT THU AUG 14 2008

CTZ005>012-NJZ002>006-011-NYZ067>081-151000-
NORTHERN FAIRFIELD-NORTHERN NEW HAVEN-NORTHERN MIDDLESEX-
NORTHERN NEW LONDON-SOUTHERN FAIRFIELD-SOUTHERN NEW HAVEN-
SOUTHERN MIDDLESEX-SOUTHERN NEW LONDON-WESTERN PASSAIC-BERGEN-
EASTERN PASSAIC-ESSEX-HUDSON-UNION-ORANGE-PUTNAM-ROCKLAND-
NORTHERN WESTCHESTER-SOUTHERN WESTCHESTER-NEW YORK (MANHATTAN)-BRONX-
RICHMOND (STATEN ISLAND)-KINGS (BROOKLYN)-QUEENS-NASSAU-
NORTHWESTERN SUFFOLK-NORTHEASTERN SUFFOLK-SOUTHWESTERN SUFFOLK-
SOUTHEASTERN SUFFOLK-
555 AM EDT THU AUG 14 2008

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

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WIDESPREAD SLOW MOVING SHOWERS AND THUNDERSTORMS ARE EXPECTED
FRIDAY AND FRIDAY NIGHT. HIGH SOIL MOISTURE CONTENT WILL CAUSE
INCREASED RUNOFF RATES POTENTIALLY CAUSING LOCALIZED FLASH
FLOODING.

OTHERWISE...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME THAT
WOULD MEET NATIONAL WEATHER SERVICE WARNING CRITERIA.

.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.

ANZ330-335-338-340-345-350-353-355-151000-
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-
MORICHES INLET NY TO MONTAUK POINT NY OUT 20 NM-
FIRE ISLAND INLET NY TO MORICHES INLET NY OUT 20 NM-
SANDY HOOK NJ TO FIRE ISLAND INLET NY OUT 20 NM-
555 AM EDT THU AUG 14 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME THAT WOULD MEET
NATIONAL WEATHER SERVICE WARNING CRITERIA.

.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.

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 14, 2:49 AM EDTAreal Flood AdvisoryOKXOrange, Putnam86 min
Aug 14, 6:16 AM EDTAreal Flood AdvisoryOKXPutnam89 min
Aug 14, 1:54 PM EDTAreal Flood AdvisoryOKXOrange111 min
Aug 14, 2:00 PM EDTSevere Thunderstorm WarningOKXOrange45 min
Aug 14, 3:51 PM EDTAreal Flood AdvisoryOKXNassau54 min
Aug 14, 3:55 PM EDTAreal Flood AdvisoryOKXBronx, Kings, New York, Queens65 min
Aug 14, 3:59 PM EDTSevere Thunderstorm WarningOKXRockland, Westchester46 min
Aug 14, 4:05 PM EDTFlash Flood WatchOKXBronx, Kings, New York, Richmond, Westchester28 hr
Aug 14, 4:08 PM EDTSpecial Marine WarningOKX52 min
Aug 14, 4:18 PM EDTSevere Thunderstorm WarningOKXNassau, Queens42 min
Aug 14, 4:21 PM EDTFlash Flood WarningOKXNassau, Queens114 min
Aug 14, 4:54 PM EDTSpecial Marine WarningOKX51 min
Aug 14, 4:58 PM EDTSevere Thunderstorm WarningOKXNassau, Suffolk47 min
Aug 14, 4:59 PM EDTAreal Flood AdvisoryOKXNew York91 min
Aug 14, 5:13 PM EDTSevere Thunderstorm WarningOKXNassau, Queens32 min
Aug 14, 5:25 PM EDTSpecial Marine WarningOKX65 min
Aug 14, 5:32 PM EDTSpecial Marine WarningOKX58 min
Aug 14, 5:40 PM EDTSevere Thunderstorm WarningOKXSuffolk50 min
Aug 14, 6:13 PM EDTSpecial Marine WarningOKX62 min
Aug 14, 6:21 PM EDTAreal Flood AdvisoryOKXKings, Nassau, New York, Queens84 min
Aug 14, 7:11 PM EDTSpecial Marine WarningOKX64 min
Aug 14, 4:43 PM EDTAreal Flood AdvisoryOKXGreater Bridgeport Planning Region, Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Southeastern Connecticut Planning Region92 min

Nearby

Severe Thunderstorm Warnings in New York, 2008Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.