Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 46, NWS Albany, NY

June 21, 2021Albany County, Rensselaer County, Saratoga County, New York

NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 2021, 9:44 PM EDT for Albany County, Rensselaer County, Saratoga County, New York. It was in force for 61 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
Jun 21, 2021, 9:44 PM EDT (01:44 UTC)
Expired
Jun 21, 2021, 10:45 PM EDT
In force
61 min
Issued by
NWS Albany, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Albany County, NY, Rensselaer County, NY, Saratoga County, NY

The radar

The Albany radar (KENX), 56 km from the middle of the area, began a volume at 01:44 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 21, 1:11 PM EDTSevere Thunderstorm WatchSPC10 hr
Jun 21, 3:45 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 1.7 hours before the alert went out and 34 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 00:00Z on 2021-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1525 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 00:00Z on 2021-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 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
1525 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
1247 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
283 m²/s²
Significant tornado parameter
1.1
Supercell composite
12.5

Open this sounding in Storm Lab

The text

As transmitted.

419 
WUUS51 KALY 220144
SVRALY
NYC001-083-091-220245-
/O.NEW.KALY.SV.W.0046.210622T0144Z-210622T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
944 PM EDT Mon Jun 21 2021

The National Weather Service in Albany has issued a

* Severe Thunderstorm Warning for...
  Northeastern Albany County in east central New York...
  Southeastern Saratoga County in east central New York...
  Northern Rensselaer County in east central New York...

* Until 1045 PM EDT.

* At 943 PM EDT, severe thunderstorms were located along a line
  extending from Round Lake to Mechanicville to Menands, moving
  northeast at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Albany, Troy, East Greenbush, Cohoes, Watervliet, Rensselaer,
  Mechanicville, Hoosick Falls, Latham, Menands, Green Island,
  Grafton, Waterford, Round Lake, West Sand Lake, Country Knolls,
  Center Brunswick, Wyantskill, Wynantskill and Gates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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 4258 7377 4285 7375 4294 7394 4313 7359
      4312 7357 4306 7358 4298 7361 4297 7363
      4294 7363 4294 7345 4296 7343 4296 7341
      4294 7338 4294 7328 4284 7328 4283 7329
      4279 7329 4275 7328
TIME...MOT...LOC 0143Z 239DEG 31KT 4294 7379 4289 7368 4269 7370 

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

DBT
2 follow-up statements
064 
WWUS51 KALY 220204
SVSALY

Severe Weather Statement
National Weather Service Albany NY
1004 PM EDT Mon Jun 21 2021

NYC001-091-220213-
/O.CAN.KALY.SV.W.0046.000000T0000Z-210622T0245Z/
Albany NY-Saratoga NY-
1004 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ALBANY AND
SOUTHEASTERN SARATOGA COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
east central New York...and southern Vermont. A Severe Thunderstorm
Watch also remains in effect until 1100 PM EDT for east central New
York.

LAT...LON 4258 7376 4260 7376 4285 7360 4294 7362
      4294 7345 4296 7343 4296 7341 4294 7338
      4294 7328 4284 7328 4283 7329 4279 7329
      4275 7328
TIME...MOT...LOC 0203Z 233DEG 39KT 4311 7351 4306 7340 4270 7352 

$$

NYC083-220245-
/O.CON.KALY.SV.W.0046.000000T0000Z-210622T0245Z/
Rensselaer NY-
1004 PM EDT Mon Jun 21 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR NORTHERN RENSSELAER COUNTY...

At 1003 PM EDT, severe thunderstorms were located along a line
extending from Greenwich to near Cambridge to near Averill Park,
moving northeast at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Troy, East Greenbush, Rensselaer, Hoosick Falls, Grafton, West Sand
Lake, Center Brunswick, Wyantskill, Wynantskill, North Greenbush,
Brunswick, Hoosick, Pittstown, Poestenkill, Schaghticoke, Valley
Falls, South Troy, Schaghticoke Hill, Hoosick Junction and Petersburg
Junction.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4258 7376 4260 7376 4285 7360 4294 7362
      4294 7345 4296 7343 4296 7341 4294 7338
      4294 7328 4284 7328 4283 7329 4279 7329
      4275 7328
TIME...MOT...LOC 0203Z 233DEG 39KT 4311 7351 4306 7340 4270 7352 

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

DBT
213 
WWUS51 KALY 220236
SVSALY

Severe Weather Statement
National Weather Service Albany NY
1036 PM EDT Mon Jun 21 2021

NYC083-220245-
/O.EXP.KALY.SV.W.0046.000000T0000Z-210622T0245Z/
Rensselaer NY-
1036 PM EDT Mon Jun 21 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN RENSSELAER COUNTY
WILL EXPIRE AT 1045 PM EDT...
    
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
east central New York...and southern Vermont. A Severe Thunderstorm
Watch also remains in effect until 1100 PM EDT for east central New
York.

LAT...LON 4258 7376 4260 7376 4285 7360 4294 7362
      4294 7345 4296 7343 4296 7341 4294 7338
      4294 7328 4284 7328 4283 7329 4279 7329
      4275 7328
TIME...MOT...LOC 0235Z 270DEG 31KT 4325 7320 4320 7309 4284 7321 

$$

DBT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 8:05 PM EDTAreal Flood AdvisoryALYWarren, Washington3 hr
Jun 21, 8:12 PM EDTSevere Thunderstorm WarningALYGreene, Schoharie51 min
Jun 21, 8:29 PM EDTSevere Thunderstorm WarningALYWarren, Washington43 min
Jun 21, 8:34 PM EDTSpecial Weather StatementALYSaratoga41 min
Jun 21, 8:37 PM EDTSevere Thunderstorm WarningALYGreene, Ulster53 min
Jun 21, 8:43 PM EDTSevere Thunderstorm WarningALYMontgomery, Saratoga, Schenectady62 min
Jun 21, 8:49 PM EDTSevere Thunderstorm WarningALYAlbany, Schenectady, Schoharie30 min
Jun 21, 9:15 PM EDTSevere Thunderstorm WarningALYWashington60 min
Jun 21, 9:34 PM EDTSpecial Weather StatementALYColumbia, Dutchess, Rensselaer26 min
Jun 21, 9:37 PM EDTAreal Flood AdvisoryALYWashington72 min
Jun 21, 9:49 PM EDTSevere Thunderstorm WarningALYColumbia, Dutchess, Greene, Ulster56 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.