Alert archive / New York / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 53, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Aug 4, 2012, 7:29 PM EDT for Niagara County, New York. It was in force for 31 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
- Aug 4, 2012, 7:29 PM EDT (23:29 UTC)
- Expired
- Aug 4, 2012, 8:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Buffalo, NY
- Area
- Storm-based polygon
County Niagara County, NY
The radar
The Buffalo radar (KBUF), 42 km from the middle of the area, began a volume at 23:28 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 nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.5 hours before the alert went out and 44 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
- 1202 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1236 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
686
WUUS51 KBUF 042329
SVRBUF
NYC063-050000-
/O.NEW.KBUF.SV.W.0053.120804T2329Z-120805T0000Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
729 PM EDT SAT AUG 4 2012
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTH CENTRAL NIAGARA COUNTY IN WESTERN NEW YORK
* UNTIL 800 PM EDT
* AT 723 PM EDT...NATIONAL WEATHER SERVICE 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
NEWFANE...OR 7 MILES NORTH OF LOCKPORT...AND MOVING NORTH AT 25
MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...
OLCOTT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 4334 7874 4335 7873 4335 7869 4337 7863
4337 7859 4325 7869 4325 7877 4334 7878
TIME...MOT...LOC 2329Z 197DEG 20KT 4330 7872
$$
RSH2 follow-up statements
673
WWUS51 KBUF 042350
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
750 PM EDT SAT AUG 4 2012
NYC063-050000-
/O.CON.KBUF.SV.W.0053.000000T0000Z-120805T0000Z/
NIAGARA NY-
750 PM EDT SAT AUG 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTH CENTRAL NIAGARA COUNTY...
AT 750 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR OLCOTT...OR 10 MILES NORTH OF LOCKPORT...MOVING NORTH AT
25 MPH.
SOME LOCATIONS IN THE WARNING INCLUDE...
RURAL NIAGARA COUNTY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF ON LAKE ONTARIO...GET OUT OF THE WATER AND MOVE INDOORS OR INSIDE
A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES FROM THE
PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH
TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER NOW. DON'T BE CAUGHT
ON THE WATER IN A THUNDERSTORM!
&&
LAT...LON 4328 7867 4328 7875 4334 7876 4334 7874
4335 7873 4335 7869 4337 7863 4337 7859
TIME...MOT...LOC 2350Z 197DEG 20KT 4333 7871
$$
RSH854
WWUS51 KBUF 050003
SVSBUF
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
803 PM EDT SAT AUG 4 2012
NYC063-050012-
/O.EXP.KBUF.SV.W.0053.000000T0000Z-120805T0000Z/
NIAGARA NY-
803 PM EDT SAT AUG 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL NIAGARA COUNTY
HAS EXPIRED...
AT 802 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE WARNED AREA...
THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.
RADAR INDICATED THAT THUNDERSTORM ACTIVITY PERSISTS ACROSS THE NORTH
CENTRAL PORTION OF THE COUNTY THOUGH...SO SOME ADDITIONAL HEAVY
RAIN...SMALL HAIL...AND GUSTY WINDS WILL STILL POSSIBLE.
AN URBAN AND SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT FOR THIS
SAME AREA UNTIL 1030 PM EDT.
LAT...LON 4328 7867 4328 7875 4334 7876 4334 7874
4335 7873 4335 7869 4337 7863 4337 7859
TIME...MOT...LOC 2350Z 198DEG 14KT 4333 7871
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 3:54 AM EDT | Heat Advisory | BUF | Cayuga, Erie, Genesee, Jefferson, Livingston, Monroe and 5 more | 16 hr |
| Aug 4, 3:59 AM EDT | Small Craft Advisory | BUF | 54 hr | |
| Aug 4, 6:07 PM EDT | Special Weather Statement | BUF | Allegany, Cattaraugus | 68 min |
| Aug 4, 6:41 PM EDT | Special Weather Statement | BUF | Niagara | 49 min |
| Aug 4, 6:45 PM EDT | Special Marine Warning | BUF | 60 min | |
| Aug 4, 6:59 PM EDT | Severe Thunderstorm Warning | BUF | Niagara | 31 min |
| Aug 4, 7:34 PM EDT | Areal Flood Advisory | BUF | Niagara | 3 hr |
| Aug 4, 7:40 PM EDT | Special Marine Warning | BUF | 65 min |
Nearby
Severe Thunderstorm Warnings in New York, 2012Every severe thunderstorm warning in 2012
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.