Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 116, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jul 19, 2021, 5:41 PM EDT for 4 counties in New York. It was in force for 64 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 19, 2021, 5:41 PM EDT (21:41 UTC)
- Expired
- Jul 19, 2021, 6:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fulton County, NY, Montgomery County, NY, Schenectady County, NY, Schoharie County, NY
The radar
The Albany radar (KENX), 42 km from the middle of the area, began a volume at 21:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 19, 6:00 PM EDT | HAIL 1 | 1 Sw Johnstown, NY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 9.7 hours before the alert went out and 49 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
- 23 J/kg
- Mixed-layer CIN
- -164 J/kg
- Mixed-layer LCL
- 538 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- -27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
000
WUUS51 KALY 192141
SVRALY
NYC035-057-093-095-192245-
/O.NEW.KALY.SV.W.0116.210719T2141Z-210719T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
541 PM EDT Mon Jul 19 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Southwestern Schenectady County in east central New York...
South central Fulton County in eastern New York...
Northeastern Schoharie County in east central New York...
Central Montgomery County in eastern New York...
* Until 645 PM EDT.
* At 541 PM EDT, a severe thunderstorm was located over Fonda, moving
south at 10 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Amsterdam, Gloversville, Johnstown, Fonda, Duanesburg, Fort
Johnson, Delanson, Tribes Hill, Central Bridge, Glen, Berkshire,
Charleston, Fultonville, Esperance, Duane, West Perth, Church
Corners, Rockwell Corners, Young Corners and Market Corners.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
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 4298 7454 4306 7429 4277 7409 4267 7438
TIME...MOT...LOC 2141Z 337DEG 8KT 4292 7437
HAIL...1.00IN
WIND...60MPH
$$
MSE1 follow-up statement
974
WWUS51 KALY 192232
SVSALY
Severe Weather Statement
National Weather Service Albany NY
632 PM EDT Mon Jul 19 2021
NYC035-093-095-192240-
/O.CAN.KALY.SV.W.0116.000000T0000Z-210719T2245Z/
Schenectady NY-Fulton NY-Schoharie NY-
632 PM EDT Mon Jul 19 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SCHENECTADY...
SOUTH CENTRAL FULTON AND NORTHEASTERN SCHOHARIE COUNTIES IS
CANCELLED...
The severe thunderstorm which prompted the warning will remain in
Montgomery county and slowly weaken through 7 pm. Therefore, the
warning has been cancelled for the rest of the area.
LAT...LON 4298 7454 4299 7452 4298 7424 4286 7415
4282 7424 4280 7426 4278 7429 4277 7443
TIME...MOT...LOC 2230Z 334DEG 5KT 4286 7433
$$
NYC057-192245-
/O.CON.KALY.SV.W.0116.000000T0000Z-210719T2245Z/
Montgomery NY-
632 PM EDT Mon Jul 19 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR CENTRAL MONTGOMERY COUNTY...
At 630 PM EDT, a severe thunderstorm was located near Tribes Hill, or
near Fonda, moving southeast at 5 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Fonda, Fort Johnson, Tribes Hill, and Wellsville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4298 7454 4299 7452 4298 7424 4286 7415
4282 7424 4280 7426 4278 7429 4277 7443
TIME...MOT...LOC 2230Z 334DEG 5KT 4286 7433
HAIL...1.00IN
WIND...60MPH
$$
MSEThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 6:03 PM EDT | Flash Flood Warning | ALY | Fulton, Montgomery | 5 hr |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.