Alert archive / New York / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 21, NWS Burlington, VT
NWS Burlington, VT issued this severe thunderstorm warning at Jul 21, 2015, 11:41 AM EDT for Clinton County, Franklin County, New York; Franklin County, Grand Isle County, Vermont. 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 21, 2015, 11:41 AM EDT (15:41 UTC)
- Expired
- Jul 21, 2015, 12:45 PM EDT
- In force
- 64 min
- Issued by
- NWS Burlington, VT
- Area
- Storm-based polygon
Counties Clinton County, NY, Franklin County, NY, Franklin County, VT, Grand Isle County, VT
The radar
The Burlington radar (KCXX), 51 km from the middle of the area, began a volume at 15:41 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 21, 11:56 AM EDT | TSTM WND DMG | Ellenburg, NY | POWER LINES DOWN ON STAR ROAD IN ELLENBURG. |
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, 3.7 hours before the alert went out and 233 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1499 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
303 WUUS51 KBTV 211541 SVRBTV NYC019-033-VTC011-013-211645- /O.NEW.KBTV.SV.W.0021.150721T1541Z-150721T1645Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BURLINGTON VT 1141 AM EDT TUE JUL 21 2015 THE NATIONAL WEATHER SERVICE IN BURLINGTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CLINTON COUNTY IN NORTHERN NEW YORK... NORTHEASTERN FRANKLIN COUNTY IN NORTHERN NEW YORK... GRAND ISLE COUNTY IN NORTHWESTERN VERMONT... NORTHWESTERN FRANKLIN COUNTY IN NORTHWESTERN VERMONT... * UNTIL 1245 PM EDT * AT 1141 AM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CHATEAUGAY...AND MOVING EAST AT 40 MPH. * LOCATIONS TO BE IMPACTED INCLUDE... PLATTSBURGH INTERNATIONAL AIRPORT...GRAND ISLE...BEEKMANTOWN... CHAZY...DANNEMORA...MOOERS...ALTONA...ROUSES POINT...CHAMPLAIN... CHATEAUGAY...NORTH HERO...ISLE LA MOTTE...BURKE...ALBURGH...ALBURGH DUNES STATE PARK...LYON MOUNTAIN...SOUTH ALBURGH...JERICHO... ELLENBURG DEPOT AND MERRILL. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN YOU CAN DO SO SAFELY...PLEASE REPORT HAIL...DAMAGING WINDS...AND TREES DOWN BY CALLING...8 0 2 8 6 3 4 2 7 9...FACEBOOK OR TWITTER AT NWSBURLINGTON...OR SUBMIT A STORM REPORT AT WEATHER.GOV/BURLINGTON. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL... DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4456 7335 4479 7432 4499 7428 4501 7314 TIME...MOT...LOC 1541Z 275DEG 35KT 4489 7405 $$
2 follow-up statements
249
WWUS51 KBTV 211607
SVSBTV
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
1207 PM EDT TUE JUL 21 2015
NYC033-211616-
/O.CAN.KBTV.SV.W.0021.000000T0000Z-150721T1645Z/
FRANKLIN NY-
1207 PM EDT TUE JUL 21 2015
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN FRANKLIN COUNTY
IS CANCELLED...
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS FRANKLIN
COUNTY NEW YORK MOVED OUT OF THE WARNED AREA. THEREFORE THE WARNING
HAS BEEN CANCELLED.
LAT...LON 4469 7390 4500 7393 4501 7314 4456 7335
TIME...MOT...LOC 1606Z 275DEG 35KT 4487 7370
$$
NYC019-VTC011-013-211645-
/O.CON.KBTV.SV.W.0021.000000T0000Z-150721T1645Z/
CLINTON NY-GRAND ISLE VT-FRANKLIN VT-
1207 PM EDT TUE JUL 21 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 PM EDT
FOR CLINTON...GRAND ISLE AND NORTHWESTERN FRANKLIN COUNTIES...
AT 1206 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED OVER ALTONA...MOVING EAST AT 40
MPH.
LOCATIONS IMPACTED INCLUDE...
PLATTSBURGH INTERNATIONAL AIRPORT...GRAND ISLE...BEEKMANTOWN...
CHAZY...DANNEMORA...MOOERS...ALTONA...ROUSES POINT...CHAMPLAIN...
NORTH HERO...ISLE LA MOTTE...ALBURGH...ALBURGH DUNES STATE PARK...
SOUTH ALBURGH...JERICHO...ELLENBURG DEPOT...STONY POINT...SCHUYLER
FALLS...RUSSIA AND ELLENBURG.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN YOU CAN DO SO SAFELY...PLEASE REPORT HAIL...DAMAGING WINDS...AND
TREES DOWN BY CALLING...8 0 2 8 6 3 4 2 7 9...FACEBOOK OR TWITTER AT
NWSBURLINGTON...OR SUBMIT A STORM REPORT AT WEATHER.GOV/BURLINGTON.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
&&
LAT...LON 4469 7390 4500 7393 4501 7314 4456 7335
TIME...MOT...LOC 1606Z 275DEG 35KT 4487 7370
$$310
WWUS51 KBTV 211644
SVSBTV
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
1244 PM EDT TUE JUL 21 2015
NYC019-VTC011-013-211653-
/O.EXP.KBTV.SV.W.0021.000000T0000Z-150721T1645Z/
CLINTON NY-GRAND ISLE VT-FRANKLIN VT-
1244 PM EDT TUE JUL 21 2015
...THE SEVERE THUNDERSTORM WARNING FOR CLINTON...GRAND ISLE AND
NORTHWESTERN FRANKLIN COUNTIES WILL EXPIRE AT 1245 PM EDT...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.
LAT...LON 4469 7390 4500 7393 4501 7314 4456 7335
TIME...MOT...LOC 1641Z 275DEG 35KT 4487 7370
$$The office that day
Everything else NWS Burlington, VT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 11:02 AM EDT | Special Weather Statement | BTV | Clinton, Franklin | 58 min |
| Jul 21, 1:05 PM EDT | Special Weather Statement | BTV | Essex | 55 min |
| Jul 21, 1:17 PM EDT | Severe Thunderstorm Warning | BTV | Clinton, Essex | 58 min |
| Jul 21, 12:47 PM EDT | Special Weather Statement | BTV | Franklin, Grand Isle, Orleans | 58 min |
| Jul 21, 2:08 PM EDT | Special Weather Statement | BTV | Addison, Chittenden, Franklin, Lamoille, Orleans, Washington | 52 min |
| Jul 21, 3:02 PM EDT | Special Weather Statement | BTV | Caledonia, Essex | 28 min |
| Jul 21, 3:33 PM EDT | Special Weather Statement | BTV | Essex | 42 min |
| Jul 21, 3:53 PM EDT | Special Weather Statement | BTV | Rutland, Windsor | 67 min |
| Jul 21, 5:00 PM EDT | Special Weather Statement | BTV | Rutland, Windsor | 60 min |
| Jul 21, 6:48 PM EDT | Special Weather Statement | BTV | Franklin | 57 min |
| Jul 21, 7:37 PM EDT | Special Weather Statement | BTV | Orleans | 53 min |
Nearby
Severe Thunderstorm Warnings in New York, 2015Severe Thunderstorm Warnings in Vermont, 2015Every severe thunderstorm warning in 2015
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.