Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 26, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jun 21, 2021, 2:33 PM EDT for Hamilton County, Herkimer County, New York. It was in force for 42 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, 2:33 PM EDT (18:33 UTC)
- Expired
- Jun 21, 2021, 3:15 PM EDT
- In force
- 42 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Hamilton County, NY, Herkimer County, NY
The radar
The Ft Drum radar (KTYX), 80 km from the middle of the area, began a volume at 18:33 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 21, 1:11 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.6 hours before the alert went out and 154 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.
- Mixed-layer CAPE
- 524 J/kg
- Mixed-layer CIN
- -118 J/kg
- Mixed-layer LCL
- 990 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted.
910
WUUS51 KALY 211833
SVRALY
NYC041-043-211915-
/O.NEW.KALY.SV.W.0026.210621T1833Z-210621T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
233 PM EDT Mon Jun 21 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Northwestern Hamilton County in eastern New York...
Northern Herkimer County in eastern New York...
* Until 315 PM EDT.
* At 232 PM EDT, severe thunderstorms were located along a line
extending from 9 miles southwest of Oswegatchie to 15 miles
northeast of Lowville to near Highmarket, moving east at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Speculator, Old Forge, Inlet, Blue Mountain Lake, Lake Eaton
Campground, Brown Tract Pond Campground, Limekiln Lake Campground,
Big Moose, Nicks Lake Campground, Eighth Lake Campground, Eagle
Bay, Forked Lake Public Campground, McKeever, Raquette Lake, Golden
Beach Campground, Alger Island Public Campground, Long Lake, Eagle
Nest, Little Rapids and Beaver River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes. Remember, lightning can strike out to 15 miles
from the parent thunderstorm. If you can hear thunder, you are close
enough to be struck by lightning. Move to safe shelter now!
Torrential rainfall is occurring with these storms, 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 4405 7433 4351 7463 4354 7510 4410 7517
4405 7506 4411 7432
TIME...MOT...LOC 1832Z 258DEG 48KT 4411 7523 4392 7525 4362 7549
HAIL...0.75IN
WIND...60MPH
$$
KSL2 follow-up statements
339
WWUS51 KALY 211853
SVSALY
Severe Weather Statement
National Weather Service Albany NY
253 PM EDT Mon Jun 21 2021
NYC041-043-211915-
/O.CON.KALY.SV.W.0026.000000T0000Z-210621T1915Z/
Hamilton NY-Herkimer NY-
253 PM EDT Mon Jun 21 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTHWESTERN HAMILTON AND NORTHERN HERKIMER COUNTIES...
At 250 PM EDT, severe thunderstorms were located along a line
extending from near Star Lake to 11 miles northwest of Big Moose to 8
miles northwest of McKeever, moving east at 50 mph.
Another potentially severe thunderstorm was located 10 miles
southeast of Old Forge, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Speculator, Old Forge, Inlet, Blue Mountain Lake, Lake Eaton
Campground, Brown Tract Pond Campground, Limekiln Lake Campground,
Big Moose, Nicks Lake Campground, Eighth Lake Campground, Eagle Bay,
Forked Lake Public Campground, McKeever, Raquette Lake, Golden Beach
Campground, Alger Island Public Campground, Long Lake, Eagle Nest,
Little Rapids and Beaver River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4405 7433 4351 7463 4354 7510 4410 7517
4405 7506 4411 7432
TIME...MOT...LOC 1850Z 255DEG 45KT 4416 7499 4397 7501 4367 7525
HAIL...0.75IN
WIND...60MPH
$$
DBT978
WWUS51 KALY 211909
SVSALY
Severe Weather Statement
National Weather Service Albany NY
309 PM EDT Mon Jun 21 2021
NYC041-043-211918-
/O.EXP.KALY.SV.W.0026.000000T0000Z-210621T1915Z/
Hamilton NY-Herkimer NY-
309 PM EDT Mon Jun 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HAMILTON AND
NORTHERN HERKIMER COUNTIES WILL EXPIRE AT 315 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
eastern New York.
Remember, a Severe Thunderstorm Warning still remains in effect for
southwestern Hamilton County until 345 pm EDT.
LAT...LON 4405 7433 4351 7463 4354 7510 4410 7517
4405 7506 4411 7432
TIME...MOT...LOC 1908Z 258DEG 48KT 4421 7467 4402 7469 4372 7493
$$
DBTThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 5:14 AM EDT | Special Weather Statement | ALY | Fulton | 31 min |
| Jun 21, 8:12 AM EDT | Special Weather Statement | ALY | Herkimer | 33 min |
| Jun 21, 2:21 PM EDT | Special Weather Statement | ALY | Hamilton, Herkimer | 39 min |
| Jun 21, 2:56 PM EDT | Special Weather Statement | ALY | Herkimer | 49 min |
| Jun 21, 3:03 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton | 42 min |
| Jun 21, 3:16 PM EDT | Areal Flood Advisory | ALY | Hamilton, Herkimer | 91 min |
| Jun 21, 3:34 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Warren | 41 min |
| Jun 21, 3:36 PM EDT | Special Weather Statement | ALY | Herkimer | 39 min |
| Jun 21, 3:41 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton | 34 min |
| Jun 21, 3:48 PM EDT | Special Weather Statement | ALY | Oneida | 42 min |
| Jun 21, 3:52 PM EDT | Areal Flood Advisory | ALY | Hamilton | 61 min |
| Jun 21, 4:05 PM EDT | Special Weather Statement | ALY | Hamilton | 40 min |
| Jun 21, 4:14 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Warren | 46 min |
| Jun 21, 4:22 PM EDT | Flash Flood Warning | ALY | Hamilton | 44 min |
| Jun 21, 4:29 PM EDT | Special Weather Statement | ALY | Warren | 31 min |
| Jun 21, 4:37 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 23 min |
| Jun 21, 4:48 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 42 min |
| Jun 21, 4:51 PM EDT | Special Weather Statement | ALY | Hamilton | 24 min |
| Jun 21, 5:03 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 27 min |
| Jun 21, 5:12 PM EDT | Special Weather Statement | ALY | Washington | 33 min |
| Jun 21, 5:15 PM EDT | Areal Flood Advisory | ALY | Warren, Washington | 69 min |
| Jun 21, 5:21 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 39 min |
| Jun 21, 5:50 PM EDT | Areal Flood Advisory | ALY | Washington | 55 min |
| Jun 21, 5:54 PM EDT | Severe Thunderstorm Warning | ALY | Washington | 36 min |
| Jun 21, 6:18 PM EDT | Severe Thunderstorm Warning | ALY | Hamilton, Herkimer | 57 min |
| Jun 21, 6:28 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Herkimer | 62 min |
| Jun 21, 6:46 PM EDT | Tornado Warning | ALY | Fulton, Hamilton, Herkimer | 29 min |
| Jun 21, 7:22 PM EDT | Special Weather Statement | ALY | Warren | 23 min |
| Jun 21, 7:28 PM EDT | Severe Thunderstorm Warning | ALY | Fulton, Hamilton, Saratoga, Warren | 62 min |
| Jun 21, 7:46 PM EDT | Special Weather Statement | ALY | Montgomery | 44 min |
| Jun 21, 7:55 PM EDT | Special Weather Statement | ALY | Warren | 50 min |
| Jun 21, 7:57 PM EDT | Severe Thunderstorm Warning | ALY | Warren, Washington | 34 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.