Alert archive / New York / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 24, NWS Buffalo, NY

July 14, 2005Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 14, 2005, 5:02 PM EDT for Erie County, New York. It was in force for 30 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 14, 2005, 5:02 PM EDT (21:02 UTC)
Expired
Jul 14, 2005, 5:32 PM EDT
In force
30 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Erie County, NY

The radar

The Buffalo radar (KBUF), 39 km from the middle of the area, began a volume at 21:04 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

TimeReportWhereRemark
Jul 14, 5:17 PM EDTTSTM WND DMGEvans Center, NYPOWER LINES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 15 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 9.0 hours before the alert went out and 39 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.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2005-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 814 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2005-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
814 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1263 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KBUF 142103
SVRBUF
NYC029-142130-
/O.NEW.KBUF.SV.W.0024.050714T2102Z-050714T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
502 PM EDT THU JUL 14 2005

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWEST ERIE COUNTY IN WESTERN NEW YORK

* UNTIL 530 PM EDT

* AT 500 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR ANGOLA...AND WAS
  MOVING SOUTHWEST AT LESS THAN 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAKE ERIE BEACH BY 525 PM EDT...
  FARNHAM BY 530 PM EDT...

THIS STORM WILL ALSO PRODUCE FREQUENT CLOUD TO GROUND LIGHTNING AND 
TORRENTIAL DOWNPOURS WITH PONDING ON ROADWAYS EXPECTED.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

LAT...LON 4273 7897 4259 7912 4251 7893 4265 7884

$$

RSH
2 follow-up statements
000 
WWUS51 KBUF 142123
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
522 PM EDT THU JUL 14 2005

NYC029-142130-
/O.CON.KBUF.SV.W.0024.000000T0000Z-050714T2130Z/
ERIE NY-
522 PM EDT THU JUL 14 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 530 PM EDT FOR 
SOUTHERN ERIE COUNTY...

AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A SEVERE THUNDERSTORM NEAR NORTH COLLINS CAPABLE OF 
PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH.  ANOTHER STORM NEAR 
WEST SENECA COULD ALSO PRODUCE SIMILAR WIND GUSTS. BOTH STORMS ARE 
NEARLY STATIONARY.

ALONG WITH THE DAMAGING WIND GUST POTENTIAL...THE STORMS ARE 
PRODUCING TORRENTIAL DOWNPOURS. RAINFALL IN EXCESS OF ONE INCH IN 
LESS THAN ONE HOUR IS POSSIBLE.

LAT...LON 4288 7875 4259 7912 4251 7893 4282 7852

$$

RSH
000 
WWUS51 KBUF 142132
SVSBUF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
531 PM EDT THU JUL 14 2005

NYC029-142141-
/O.EXP.KBUF.SV.W.0024.000000T0000Z-050714T2130Z/
ERIE NY-
531 PM EDT THU JUL 14 2005

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN ERIE COUNTY EXPIRED 
AT 530 PM EDT...

AT 531 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE SEVERE
THUNDERSTORM THAT PROMPTED THE WARNING HAD WEAKENED AND WAS NO LONGER
SEVERE...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

WHILE LEFTOVER DOWNPOURS WILL BRING ADDITIONAL RAINFALL TO AREAS 
NEAR HAMBURG AND NORTH COLLINS...THE THREAT OF SEVERE WEATHER HAS 
ENDED.

LAT...LON 4288 7875 4259 7912 4251 7893 4282 7852

$$

RSH

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 14, 2:40 PM EDT, 2 hours 22 minutes earlier.

Area forecast discussion, Jul 14, 2:40 PM EDT, 2 hours 22 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BUFFALO NY
240 PM THU JUL 14 2005

.SYNOPSIS...

...AND THE HEAT GOES ON...AND ON AND ON.

ONCE AGAIN WESTERN NEW YORK EXPERIENCED ANOMALOUS HEAT WITH
WIDESPREAD LOW TO MID 90 DEGREE READINGS BAKING THE NIAGARA
FRONTIER. BUFFALO SET YET ANOTHER RECORD FOR THE DAY...REACHING AT
LEAST 92 WHICH BREAKS THE PREVIOUS RECORD OF 91 (1968). THAT MAKES 8
90+ DAYS OF HEAT IN BUFFALO...MORE THAN DOUBLING THE NORMAL NUMBER
FOR ONE SUMMER. ROC NOW STANDS AT 7 DAYS. WHILE THAT IS NOT ABOVE
THEIR NORMAL TOTAL FOR ONE SUMMER (10 DAYS) IT IS WELL ABOVE THE
CURVE FOR MID JULY.

WHILE TEMPERATURES THE NEXT WEEK OR SO ARE NOT EXPECTED TO BE QUITE
AS EXTREME...READINGS WILL BE ABOVE NORMAL THROUGH AT LEAST NEXT
WEDNESDAY.

THE HEAT HAS HELPED TO DRY OUT SFC MOISTURE ACROSS THE REGION...
WITH MANY AREAS 30 TO 50 PERCENT BELOW NORMAL IN SFC MOSTURE VALUES.
THE GOOD NEWS IS THAT THE POTENTIAL FOR BENEFICIAL RAINS WILL BE
INCREASING THE NEXT FEW DAYS. THIS WILL BE AS A RESULT OF INCREASED
FOCUSING MECHANISMS (SFC BOUNDARIES) AND THE PASSING OF THE REMNANTS
OF DENNIS.

&&

.SHORT TERM (TONIGHT THROUGH SUNDAY)...

A VERY UNSTABLE ATMOSPHERE WILL BE IN PLACE ACROSS ALL OF WESTERN
AND NORTH CENTRAL NEW YORK THIS EVENING AS CAPES WILL AVERAGE 2000
TO 3000 J/KG. COMBINE THIS INSTABILITY WITH THE PRESENCE OF SEVERAL
BOUNDARIES...AND THE RESULT WILL BE SCATTERED THUNDERSTORMS.

THE MAIN BOUNDARY TO WATCH WILL BE A WEAK FRONTAL BOUNDARY THAT
STRETCHES FROM THE ST LAWRENCE VALLEY AND THE U.S. NEARSHORES OF
LAKE ONTARIO TO THE CANDADIAN NEARSHORES OF LK ERIE. THIS BOUNDARY
ALREADY HELPED TO FIRE UP STRONG STORMS WITH HEAVY RAIN OVER THE
NORTH COUNTRY EARLIER TODAY.

THE OTHER BOUNDARIES WILL BE MESOSCALE IN NATURE WITH A LAKE BREEZE
BOUNDARY SRETCHING WEST TO EAST FROM YSN TO IAG TO ABOUT ROC.
ANOTHER LK BREEZE BOUNDARY...ALBEIT WEAKER...LIES ALONG THE NEW YORK
STATE THRUWAY FROM ERI TO BUF. VIS IMAGERY IS ALREADY SHOWING
MODERATE CU ALONG THESE MESOSCALE BOUNDARIES WITH A CELL OR TWO
POPPING UP NEAR BUF. MORE MESOSCALE BOUNDARIES WILL DEVELOP LATE
THIS AFTERNOON AND EVENING AS STORMS POP AND OUTFLOW BOUNDARIES
BECOME INVOLVED.

THE KBUF VAD SHOWS WEAK SOUTH-SOUTHEAST WINDS BLO 10K...SO WITH PWS
AROUND 1.6-1.75...SLOW MOVING DOWNPOURS WILL BE COMMON WITH ANY
STORM THAT DEVELOPS. THIS MAY BE OUR BIGGEST CONCERN WITH THE
CONVECTION...ALTHOUGH RAIN LOADED DOWNDRAFTS COULD PRODUCE ISOLATED
WIND GUSTS OVER 40 KTS. SMALL HAIL CANNOT BE RULED OUT GIVEN THE
LARGE CAPE VALUES.

AS THE SYNOPTIC BOUNDARY SINKS SOUTH OF THE REGION LATE TONIGHT...
OUR ATMOSPHERE WILL STABILIZE A BIT AND A MID LEVEL CAP WILL THEN
DEVELOP FOR FRIDAY. THIS CAP WILL BE RATHER PRONOUNCED ACROSS MUCH
OF THE REGION...SO WILL KEEP STORMS OUT OF THE FORECAST. THE
EXCEPTION WILL BE OVER THE SOUTHERN TIER WHERE THE CAP WILL BE MUCH
WEAKER AND THE PRESENCE OF THE SYNOPTIC BOUNDARY WILL BE JUST TO THE
SOUTH.

IT WILL CERTAINLY BE ANOTHER VERY WARM DAY ON FRIDAY...AS H8 TEMPS
WILL STILL BE IN THE UPPER TEENS FOR ALL BUT THE NORTH COUNTRY. DRY
SFC CONDITIONS HAVE BEEN PROMOTING THE HEAT AND WILL CONTINUE TO DO
SO ON FRIDAY...SO EXPECT MANY AREAS TO ONCE AGAIN CLIMB INTO THE
UPPER 80S AND LOWER 90S. SLIGHTLY MORE TOLERABLE CONDITIONS WILL BE
FOUND ACROSS THE NORTH COUNTRY AND WETSREN SOUTHERN TIER.

THE FORECAST WILL BECOME MORE DIFFICULT FOR FRIDAY NIGHT AS GUIDANCE
DIFFERS ON BRINGING THE REMNANTS OF DENNIS OUT OF THE OHIO VALLEY.
THE NAM IS DRIER AND APPARENTLY SLOWER WITH THIS PROCESS...WHILE THE
NORMALLY MORE RELIABLE GFS IS MORE AGGRESSIVE. WILL COMPROMISE
BETWEEN THE MODELS (THEREBY MOVING AWAY FROM THE NAM BASED
CONTINUITY) AND GO WITH CHC POPS FOR ALL AREAS BUT EAST OF LAKE
ONTARIO. THIS FORECAST IS ALSO CONSENSUS OF THE SURROUNDING OFFICES.

FOR SATURDAY...WILL GO WITH HIGH CHC POPS REGIONWIDE AS THE REMNANTS
OF DENNIS SHOULD BE MAKING THEIR WAY NORTHEAST ACROSS NEW YORK
STATE. THE REMNANTS COMBINED WITH AN ALREADY HUMID AIRMASS WILL
PROBABLY MAKE SATURDAY ONE OF THE MOST OPPRESSIVE DAYS THAT WE WILL
EXPERIENCE AS TDS WILL BE IN THE LOW TO MID 70S. THIS COULD ALSO
SET THE STAGE FOR LOCALIZED TORRENTIAL DOWNPOURS WITH ANY
CONVECTION.

THE MID LEVEL SHORTWAVE/REMNANTS OF DENNIS WILL MOVE TO THE EAST
SATURDAY NIGHT AND EARLY SUNDAY. CHC POPS WILL BE USED FOR BOTH
PERIODS.

&&

.LONG TERM (MONDAY THROUGH THURSDAY)...

THE MEDIUM RANGE ENSEMBLES DEPICT A HIGH CONFIDENCE FORECAST OF A
CONTINUED STORNG RIDGE OVER THE GREAT LAKES REGION FOR MONDAY AND
TUESDAY WITH THE CORRESPONDING H8 TEMPS AVERAGING IN THE UPPER
TEENS. THIS WILL PRODUCE MORE 90 DEGREE MAX TEMPS IN THE NORMALLY
WARMER AREAS WITH MID-UP 80S ELSEWHERE. BOUNDARIES WILL BE FEW AND
FAR BETWEEN FOR MONDAY SO SLIGHT CHC POPS WILL REFLECT THIS.

THE CHANCE FOR ANY STORMS WILL THEN INCREASE ON TUESDAY AS A COLD
FRONT WILL APPROACH FROM THE UPPER GREAT LAKES. AT THIS POINT...A
PRE-FRONTAL TROUGH WILL PROBABLY MOVE THROUGH THE REGION LATE
TUESDAY WITH THE ACTUAL COLD FRONT HOLDING OFF UNTIL WEDNESDAY
MORNING. CHC POPS FOR STORMS WILL BE USED FOR THIS SCENARIO TUESDAY
AND TUESDAY NIGHT.

SLIGHTLY COOLER AND MORE STABLE AIR WILL MOVE IN BEHIND THE FRONT ON
WEDNESDAY...ALTHOUGH TEMPS WILL REMAIN ABOVE NORMAL FOR WEDNESDAY
AND THURSDAY WITH CONSENSUS H8 TEMPS OF +16C EXPECTED.

&&

.AVIATION...

GENERALLY VFR CONDS WILL PREVAIL THE REMAINDER OF THIS AFTERNOON
WITH LOCAL MVFR/IFR CONDS IN WIDELY SCATTERED THUNDERSTORMS. TONIGHT
VSBYS WILL LOWER TO MVFR IN FOG AND HAZE AFTER 06Z WITH LOCAL IFR
CONDS AFT 09Z. FOG AND HAZE LIFTING AFTER 13Z.

&&

.BUFFALO WATCHES/WARNINGS/ADVISORIES...
.NY...NONE.
.MARINE...NONE.

SHORT/LONG TERM...RSH
AVIATION...TJP
Hazardous weather outlook, Jul 14, 2:14 AM EDT, 14 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BUFFALO NY
214 AM EDT THU JUL 14 2005

LOZ044-045-065-NYZ006>008-150800-
JEFFERSON-LEWIS-OSWEGO-
214 AM EDT THU JUL 14 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NEW
YORK.

.DAY ONE...

THE STORM PREDICTION CENTER SAYS THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS OVER JEFFERSON LEWIS AND OSWEGO COUNTIES THIS
AFTERNOON. BECAUSE OF THE AMOUNT OF MOISTURE IN THE AIR, ANY
THUNDERSTORMS THAT OCCUR WOULD BE CAPABLE OF PRODUCING TORRENTIAL
RAINS THAT COULD RESULT IN POOR DRAINAGE FLOODING AND PONDING ON AREA
ROADS.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED.

LOZ042-043-062>064-NYZ001>005-010>014-019>021-085-150800-
ALLEGANY-CATTARAUGUS-CHAUTAUQUA-GENESEE-LIVINGSTON-MONROE-NIAGARA-
NORTHERN CAYUGA-NORTHERN ERIE-ONTARIO-ORLEANS-SOUTHERN ERIE-WAYNE-
WYOMING-
214 AM EDT THU JUL 14 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NEW YORK.

.DAY ONE...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. BECAUSE OF THE AMOUNT
OF MOISTURE IN THE AIR, ANY THUNDERSTORMS THAT OCCUR WOULD BE CAPABLE
OF PRODUCING TORRENTIAL RAINS THAT COULD RESULT IN POOR DRAINAGE
FLOODING AND PONDING ON AREA ROADS.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

APB

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 13, 8:47 PM EDTFlash Flood WarningBUFAllegany3 hr
Jul 14, 1:31 AM EDTSpecial Marine WarningBUF59 min
Jul 14, 2:43 AM EDTSpecial Marine WarningBUF62 min
Jul 14, 8:55 AM EDTSevere Thunderstorm WarningBUFJefferson35 min
Jul 14, 8:57 AM EDTSevere Thunderstorm WarningBUFLewis64 min
Jul 14, 3:26 PM EDTSevere Thunderstorm WarningBUFNiagara49 min
Jul 14, 3:44 PM EDTSpecial Marine WarningBUF46 min
Jul 14, 4:03 PM EDTSevere Thunderstorm WarningBUFMonroe42 min
Jul 14, 4:18 PM EDTSpecial Marine WarningBUF57 min
Jul 14, 5:27 PM EDTSevere Thunderstorm WarningBUFGenesee52 min
Jul 14, 5:46 PM EDTFlash Flood WarningBUFLewis3 hr
Jul 14, 6:15 PM EDTSevere Thunderstorm WarningBUFErie37 min
Jul 14, 7:25 PM EDTSevere Thunderstorm WarningBUFMonroe59 min
Jul 14, 7:35 PM EDTFlash Flood WarningBUFMonroe3 hr

Nearby

Severe Thunderstorm Warnings in New York, 2005Every severe thunderstorm warning in 2005

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.