Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 102, NWS Albany, NY
NWS Albany, NY issued this severe thunderstorm warning at Jul 7, 2021, 11:20 PM EDT for 5 counties in New York. It was in force for 55 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 7, 2021, 11:20 PM EDT (03:20 UTC)
- Expired
- Jul 8, 2021, 12:15 AM EDT
- In force
- 55 min
- Issued by
- NWS Albany, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fulton County, NY, Herkimer County, NY, Montgomery County, NY, Schenectady County, NY, Schoharie County, NY
The radar
The Albany radar (KENX), 51 km from the middle of the area, began a volume at 03:19 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 8, 12:00 AM EDT | TSTM WND DMG | 4 Ne Cobleskill, NY | TREES DOWN ON GROVERS CORNERS ROAD IN THE TOWN OF CARLISLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 7, 2:41 PM EDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 3.3 hours before the alert went out and 68 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
- 821 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 930 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 126 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.0
The text
As transmitted.
382
WUUS51 KALY 080320
SVRALY
NYC035-043-057-093-095-080415-
/O.NEW.KALY.SV.W.0102.210708T0320Z-210708T0415Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Albany NY
1120 PM EDT Wed Jul 7 2021
The National Weather Service in Albany has issued a
* Severe Thunderstorm Warning for...
Southwestern Schenectady County in east central New York...
Southwestern Fulton County in eastern New York...
Schoharie County in east central New York...
Southern Herkimer County in eastern New York...
Montgomery County in eastern New York...
* Until 1215 AM EDT.
* At 1119 PM EDT, severe thunderstorms were located along a line
extending from near Exeter Center to Davenport to near Andes,
moving northeast at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Johnstown, Ilion, Herkimer, Little Falls, Cobleskill, Canajoharie,
Fonda, Jefferson, Mohawk, Frankfort, Fort Plain, Dolgeville, St.
Johnsville, Ephratah, Middleburgh, Gilboa, Summit, Schoharie,
Richmondville and West Winfield.
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 4318 7478 4312 7449 4288 7422 4270 7417
4255 7424 4238 7425 4236 7428 4237 7438
4236 7444 4242 7462 4251 7471 4262 7463
4274 7467 4283 7465 4290 7488 4282 7491
4291 7510 4286 7514 4286 7521 4300 7521
TIME...MOT...LOC 0319Z 229DEG 37KT 4272 7512 4247 7486 4213 7484
HAIL...0.75IN
WIND...60MPH
$$
JPV2 follow-up statements
371
WWUS51 KALY 080342
SVSALY
Severe Weather Statement
National Weather Service Albany NY
1142 PM EDT Wed Jul 7 2021
NYC035-043-057-093-095-080415-
/O.CON.KALY.SV.W.0102.000000T0000Z-210708T0415Z/
Schenectady NY-Fulton NY-Schoharie NY-Herkimer NY-Montgomery NY-
1142 PM EDT Wed Jul 7 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 AM EDT
FOR SOUTHWESTERN SCHENECTADY...SOUTHWESTERN FULTON...SCHOHARIE...
SOUTHERN HERKIMER AND MONTGOMERY COUNTIES...
At 1142 PM EDT, severe thunderstorms were located along a line
extending from near Jordanville to near Richmondville to Roxbury,
moving northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Johnstown, Ilion, Herkimer, Little Falls, Cobleskill, Canajoharie,
Fonda, Jefferson, Mohawk, Frankfort, Fort Plain, Dolgeville, St.
Johnsville, Ephratah, Middleburgh, Gilboa, Summit, Schoharie,
Richmondville and West Winfield.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4312 7480 4308 7454 4288 7422 4270 7417
4255 7424 4238 7425 4236 7428 4237 7438
4236 7444 4242 7462 4251 7471 4262 7463
4274 7467 4283 7465 4290 7488 4282 7491
4291 7510 4286 7514 4286 7521 4300 7521
TIME...MOT...LOC 0342Z 228DEG 37KT 4289 7493 4263 7462 4229 7455
HAIL...<.75IN
WIND...60MPH
$$
JPV551
WWUS51 KALY 080413
SVSALY
Severe Weather Statement
National Weather Service Albany NY
1213 AM EDT Thu Jul 8 2021
NYC035-043-057-093-095-080423-
/O.EXP.KALY.SV.W.0102.000000T0000Z-210708T0415Z/
Schenectady NY-Fulton NY-Schoharie NY-Herkimer NY-Montgomery NY-
1213 AM EDT Thu Jul 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SCHENECTADY...
SOUTHWESTERN FULTON...SCHOHARIE...SOUTHERN HERKIMER AND MONTGOMERY
COUNTIES WILL EXPIRE AT 1215 AM 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. However gusty
winds and heavy rain are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 100 AM EDT for
east central New York.
LAT...LON 4312 7480 4308 7454 4288 7422 4270 7417
4255 7424 4238 7425 4236 7428 4237 7438
4236 7444 4242 7462 4251 7471 4262 7463
4274 7467 4283 7465 4290 7488 4282 7491
4291 7510 4286 7514 4286 7521 4300 7521
TIME...MOT...LOC 0413Z 229DEG 37KT 4310 7461 4284 7430 4250 7423
$$
JPVThe office that day
Everything else NWS Albany, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 8:01 PM EDT | Special Weather Statement | ALY | Dutchess | 44 min |
| Jul 7, 8:21 PM EDT | Areal Flood Advisory | ALY | Columbia | 3 hr |
| Jul 7, 8:23 PM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 67 min |
| Jul 7, 8:35 PM EDT | Special Weather Statement | ALY | Ulster | 40 min |
| Jul 7, 8:37 PM EDT | Special Weather Statement | ALY | Columbia | 38 min |
| Jul 7, 8:47 PM EDT | Areal Flood Advisory | ALY | Dutchess | 3 hr |
| Jul 7, 9:07 PM EDT | Areal Flood Advisory | ALY | Columbia, Dutchess, Ulster | 3 hr |
| Jul 7, 9:27 PM EDT | Special Weather Statement | ALY | Columbia | 33 min |
| Jul 7, 9:49 PM EDT | Special Weather Statement | ALY | Greene | 26 min |
| Jul 7, 10:31 PM EDT | Special Weather Statement | ALY | Dutchess | 29 min |
| Jul 7, 10:46 PM EDT | Special Weather Statement | ALY | Ulster | 29 min |
| Jul 7, 10:47 PM EDT | Special Weather Statement | ALY | Dutchess | 28 min |
| Jul 7, 11:02 PM EDT | Severe Thunderstorm Warning | ALY | Columbia, Dutchess, Greene, Ulster | 58 min |
| Jul 7, 11:22 PM EDT | Special Weather Statement | ALY | Dutchess | 38 min |
| Jul 8, 12:00 AM EDT | Severe Thunderstorm Warning | ALY | Albany, Columbia, Dutchess, Greene, Rensselaer, Schoharie and 1 more | 60 min |
| Jul 8, 12:01 AM EDT | Severe Thunderstorm Warning | ALY | Dutchess | 59 min |
| Jul 8, 12:13 AM EDT | Special Weather Statement | ALY | Dutchess | 32 min |
| Jul 8, 12:15 AM EDT | Special Weather Statement | ALY | Fulton, Montgomery, Saratoga, Schenectady | 45 min |
| Jul 8, 12:29 AM EDT | Areal Flood Advisory | ALY | Columbia, Dutchess, Greene, Ulster | 2 hr |
| Jul 8, 12:34 AM EDT | Special Weather Statement | ALY | Albany, Rensselaer, Schenectady | 41 min |
| Jul 8, 12:54 AM EDT | Special Weather Statement | ALY | Dutchess | 36 min |
| Jul 8, 12:58 AM EDT | Special Weather Statement | ALY | Columbia | 47 min |
| Jul 8, 3:57 AM EDT | Flash Flood Watch | ALY | Columbia, Dutchess, Greene, Ulster | 32 hr |
| Jul 8, 9:57 AM EDT | Areal Flood Advisory | ALY | Columbia, Dutchess, Ulster | 3 hr |
| Jul 8, 10:54 AM EDT | Flash Flood Warning | ALY | Columbia, Dutchess, Greene, Ulster | 3 hr |
| Jul 8, 11:28 AM EDT | Special Weather Statement | ALY | Columbia | 32 min |
| Jul 8, 2:14 PM EDT | Special Weather Statement | ALY | Dutchess | 31 min |
| Jul 8, 3:10 PM EDT | Areal Flood Advisory | ALY | Dutchess | 3 hr |
| Jul 8, 7:39 PM EDT | Special Weather Statement | ALY | Herkimer | 51 min |
| Jul 8, 7:46 PM EDT | Special Weather Statement | ALY | Herkimer | 44 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.