Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 74, NWS Albany, NY

July 6, 2021Herkimer County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jul 6, 2021, 1:49 PM EDT for Herkimer County, New York. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 6, 2021, 1:49 PM EDT (17:49 UTC)
Expired
Jul 6, 2021, 2:15 PM EDT
In force
26 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Herkimer County, NY

The radar

The Albany radar (KENX), 93 km from the middle of the area, began a volume at 17:49 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, 5.8 hours before the alert went out and 108 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 2021-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 326 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2021-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 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
326 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
941 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
202 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

324 
WUUS51 KALY 061749
SVRALY
NYC043-061815-
/O.NEW.KALY.SV.W.0074.210706T1749Z-210706T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
149 PM EDT Tue Jul 6 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Southwestern Herkimer County in eastern New York...

* Until 215 PM EDT.

* At 149 PM EDT, a severe thunderstorm was located over Bridgewater,
  or 12 miles south of New Hartford, moving east at 30 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  West Winfield, Cedarville, Elizabethtown, Birmingham Corners,
  Jersalem Hill, Days Corners, North Winfield, Cedarville Station,
  Cedar Lake, Youngs Crossing, McCoon Crossing, South Columbia,
  Schuyler Corners, East Winfield, Woods Corners, Kingdom, Getman
  Corners, Chepachet, Millers Mills and Millers Mills Crossing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

Please report hail size...damaging winds and reports of trees down to
the National Weather Service by email at Alb.Stormreport@noaa.gov...
On Facebook at www.facebook.com/nwsalbany or twitter @nwsalbany

LAT...LON 4288 7520 4299 7521 4295 7495 4285 7497
      4291 7510 4290 7511 4286 7514 4286 7521
TIME...MOT...LOC 1749Z 285DEG 27KT 4290 7523 

HAIL...<.75IN
WIND...60MPH
 
$$

KSL
1 follow-up statement
950 
WWUS51 KALY 061808
SVSALY

Severe Weather Statement
National Weather Service Albany NY
208 PM EDT Tue Jul 6 2021

NYC043-061818-
/O.EXP.KALY.SV.W.0074.000000T0000Z-210706T1815Z/
Herkimer NY-
208 PM EDT Tue Jul 6 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HERKIMER COUNTY
WILL EXPIRE AT 215 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4288 7520 4299 7521 4295 7495 4285 7497
      4291 7510 4290 7511 4286 7514 4286 7521
TIME...MOT...LOC 1808Z 285DEG 27KT 4286 7505 

$$

KSL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 9:10 PM EDTSpecial Weather StatementALYHerkimer35 min
Jul 5, 10:36 PM EDTSpecial Weather StatementALYHerkimer39 min
Jul 5, 11:02 PM EDTSpecial Weather StatementALYMontgomery28 min
Jul 5, 11:18 PM EDTSpecial Weather StatementALYMontgomery27 min
Jul 5, 11:30 PM EDTSpecial Weather StatementALYOtsego45 min
Jul 5, 11:54 PM EDTSpecial Weather StatementALYOtsego36 min
Jul 6, 12:07 AM EDTSpecial Weather StatementALYMontgomery38 min
Jul 6, 12:22 AM EDTSpecial Weather StatementALYSchoharie23 min
Jul 6, 1:12 AM EDTSpecial Weather StatementALYRensselaer33 min
Jul 6, 1:08 PM EDTSpecial Weather StatementALYSchoharie52 min
Jul 6, 1:23 PM EDTSpecial Weather StatementALYMontgomery52 min
Jul 6, 1:31 PM EDTSpecial Weather StatementALYRensselaer44 min
Jul 6, 1:35 PM EDTSpecial Weather StatementALYOtsego40 min
Jul 6, 1:53 PM EDTSpecial Weather StatementALYMontgomery37 min
Jul 6, 2:05 PM EDTSpecial Weather StatementALYSchoharie40 min
Jul 6, 2:13 PM EDTSpecial Weather StatementALYRensselaer47 min
Jul 6, 2:22 PM EDTSevere Thunderstorm WarningALYAlbany, Montgomery, Schenectady, Schoharie38 min
Jul 6, 2:38 PM EDTSevere Thunderstorm WarningALYUlster52 min
Jul 6, 2:47 PM EDTSpecial Weather StatementALYSchoharie43 min
Jul 6, 2:53 PM EDTSpecial Weather StatementALYAlbany52 min
Jul 6, 3:06 PM EDTSevere Thunderstorm WarningALYGreene, Schoharie39 min
Jul 6, 3:23 PM EDTSevere Thunderstorm WarningALYAlbany, Columbia, Rensselaer37 min
Jul 6, 3:33 PM EDTHeat AdvisoryALYColumbia, Dutchess, Greene, Ulster27 hr
Jul 6, 3:40 PM EDTSpecial Weather StatementALYDutchess35 min
Jul 6, 3:43 PM EDTSevere Thunderstorm WarningALYDutchess, Ulster62 min
Jul 6, 4:06 PM EDTSpecial Weather StatementALYColumbia24 min
Jul 6, 4:08 PM EDTSevere Thunderstorm WarningALYColumbia24 min
Jul 6, 4:16 PM EDTSevere Thunderstorm WarningALYDutchess45 min
Jul 6, 4:51 PM EDTSpecial Weather StatementALYPutnam39 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Every severe thunderstorm warning in 2021

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.