Alert archive / New York / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 96, NWS Albany, NY

July 20, 2013Columbia County, Dutchess County, New York; Northwest Hills Planning Region, Connecticut

NWS Albany, NY issued this severe thunderstorm warning at Jul 20, 2013, 1:55 PM EDT for Columbia County, Dutchess County, New York; Northwest Hills Planning Region, Connecticut. It was in force for 65 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
Jul 20, 2013, 1:55 PM EDT (17:55 UTC)
Expired
Jul 20, 2013, 3:00 PM EDT
In force
65 min
Issued by
NWS Albany, NY
Area
Storm-based polygon

Counties Northwest Hills Planning Region, CT, Columbia County, NY, Dutchess County, NY

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 5.9 hours before the alert went out and 85 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 2013-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 18 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 2013-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 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
18 J/kg
Mixed-layer CIN
-253 J/kg
Mixed-layer LCL
1465 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
159 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 Albany, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 1:55 PM EDT, 0 minutes earlier.

Area forecast discussion, Jul 20, 1:55 PM EDT, 0 minutes before
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Hazardous weather outlook, Jul 20, 4:04 AM EDT, 9 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ALBANY NY
404 AM EDT SAT JUL 20 2013

CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066-
082>084-VTZ013>015-211100-
NORTHERN LITCHFIELD-SOUTHERN LITCHFIELD-NORTHERN BERKSHIRE-
SOUTHERN BERKSHIRE-NORTHERN HERKIMER-HAMILTON-SOUTHERN HERKIMER-
SOUTHERN FULTON-MONTGOMERY-NORTHERN SARATOGA-NORTHERN WARREN-
NORTHERN WASHINGTON-SCHOHARIE-WESTERN SCHENECTADY-
EASTERN SCHENECTADY-SOUTHERN SARATOGA-WESTERN ALBANY-EASTERN ALBANY-
WESTERN RENSSELAER-EASTERN RENSSELAER-WESTERN GREENE-EASTERN GREENE-
WESTERN COLUMBIA-EASTERN COLUMBIA-WESTERN ULSTER-EASTERN ULSTER-
WESTERN DUTCHESS-EASTERN DUTCHESS-NORTHERN FULTON-SOUTHEAST WARREN-
SOUTHERN WASHINGTON-BENNINGTON-WESTERN WINDHAM-EASTERN WINDHAM-
404 AM EDT SAT JUL 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWESTERN
CONNECTICUT...WESTERN MASSACHUSETTS...EAST CENTRAL NEW YORK AND
SOUTHERN VERMONT.

.DAY ONE...TODAY AND TONIGHT.

NUMEROUS THUNDERSTORMS ARE EXPECTED TODAY INTO EARLY THIS EVENING
ALONG AND AHEAD OF A STRONG COLD FRONT WHICH WILL BE MOVING ACROSS
OUR REGION. THE THUNDERSTORMS ARE EXPECTED TO MOVE FROM WEST
SOUTHWEST TO EAST NORTHEAST AT 35 TO 45 MPH. SOME THUNDERSTORMS
MAY BE STRONG TO LOCALLY SEVERE WITH THE POTENTIAL FOR DAMAGING
WINDS AND ISOLATED LARGE HAIL. HEAVY RAINFALL WILL BE POSSIBLE
WITHIN ANY THUNDERSTORM AS WELL AND SOME THUNDERSTORMS MAY TRAIN
ACROSS THE SAME AREA.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THERE IS A CHANCE OF THUNDERSTORMS FROM MONDAY NIGHT THROUGH WEDNESDAY
NIGHT.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL BE LIKELY NEEDED LATER TODAY. IN
THE MEANTIME SPOTTERS ARE REQUESTED TO SEND ANY REPORTS OF
DAMAGING WINDS...LARGE HAIL OR RAINFALL AMOUNTS OF 2 INCHES OR
MORE TO THE NATIONAL WEATHER SERVICE VIA THE SEVERE WEATHER REPORT
FORM ON THE INTERNET OR BY TELEPHONE.

In the hours before

Special weather statement, Jul 20, 1:47 PM EDT, 8 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
147 PM EDT SAT JUL 20 2013

CTZ001-MAZ025-NYZ060-061-065-066-201815-
NORTHERN LITCHFIELD CT-SOUTHERN BERKSHIRE MA-WESTERN DUTCHESS NY-
EASTERN DUTCHESS NY-WESTERN COLUMBIA NY-EASTERN COLUMBIA NY-
147 PM EDT SAT JUL 20 2013

...A STRONG THUNDERSTORM IN

  LITCHFIELD COUNTY IN NORTHERN CONNECTICUT...
  BERKSHIRE COUNTY IN WESTERN MASSACHUSETTS...
  DUTCHESS COUNTY IN EAST CENTRAL NEW YORK...
  COLUMBIA COUNTY IN EAST CENTRAL NEW YORK...

AT 144 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM CAPABLE OF PRODUCING...FREQUENT LIGHTNING...WINDS UP TO
50 MPH AND HEAVY RAIN.  THIS STORM WAS LOCATED NEAR PINE PLAINS...OR
ABOUT 15 MILES EAST OF RHINEBECK...AND MOVING EAST AT 20 MPH.

THE THUNDERSTORM WILL BE NEAR...
7 MILES SOUTH OF COPAKE BY 155 PM EDT
MILLERTON BY 200 PM EDT
9 MILES NORTH OF SHARON BY 205 PM EDT

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING.

LAT...LON 4213 7339 4188 7339 4188 7376 4208 7378
TIME...MOT...LOC 1746Z 268DEG 16KT 4200 7361

LFM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 8:14 PM EDTSpecial Weather StatementALYHamilton61 min
Jul 19, 8:29 PM EDTSevere Thunderstorm WarningALYHamilton, Herkimer, Warren61 min
Jul 19, 8:46 PM EDTSpecial Weather StatementALYFulton44 min
Jul 19, 8:53 PM EDTSevere Thunderstorm WarningALYFulton, Herkimer, Montgomery, Saratoga, Schenectady, Schoharie67 min
Jul 19, 9:10 PM EDTAreal Flood AdvisoryALYFulton, Herkimer, Montgomery3 hr
Jul 19, 9:36 PM EDTSevere Thunderstorm WarningALYSaratoga, Washington54 min
Jul 19, 9:58 PM EDTSevere Thunderstorm WarningALYFulton, Hamilton, Montgomery, Rensselaer, Saratoga, Schenectady and 1 more62 min
Jul 19, 10:20 PM EDTAreal Flood AdvisoryALYFulton, Hamilton, Montgomery, Saratoga, Schenectady, Warren and 1 more3 hr
Jul 19, 10:28 PM EDTSevere Thunderstorm WarningALYRensselaer, Washington62 min
Jul 20, 7:42 AM EDTSpecial Weather StatementALYGreene, Schoharie63 min
Jul 20, 1:47 PM EDTSpecial Weather StatementALYColumbia28 min
Jul 19, 10:39 PM EDTFlash Flood WarningALYBennington, Windham3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2013Severe Thunderstorm Warnings in Connecticut, 2013Every severe thunderstorm warning in 2013

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.