Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 138, NWS Binghamton, NY

September 2, 2014Bradford County, Susquehanna County, Wyoming County, Pennsylvania

NWS Binghamton, NY issued this severe thunderstorm warning at Sep 2, 2014, 7:50 PM EDT for Bradford County, Susquehanna County, Wyoming County, Pennsylvania. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 2, 2014, 7:50 PM EDT (23:50 UTC)
Expired: Sep 2, 2014, 8:45 PM EDT
In force: 55 min
Issued by: NWS Binghamton, NY
Area: Storm-based polygon

Counties Bradford County, PA, Susquehanna County, PA, Wyoming County, PA

The radar

The Binghamton radar (KBGM), 56 km from the middle of the area, began a volume at 23:49 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Sep 2, 4:39 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

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 Binghamton, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 2, 4:51 PM EDT, 2 hours 59 minutes earlier.

Area forecast discussion, Sep 2, 4:51 PM EDT, 2 hours 59 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BINGHAMTON NY
451 PM EDT TUE SEP 2 2014

.SYNOPSIS...
A COLD FRONT WILL MOVE ACROSS THE AREA THIS EVENING ACCOMPANIED BY
A ROUND OF SHOWERS AND THUNDERSTORMS...SOME OF WHICH COULD BE
STRONG TO SEVERE WITH GUSTY WINDS AND LOCALLY HEAVY RAINFALL. DRY
WARM WEATHER WILL FOLLOW BEHIND THE FRONT FOR WEDNESDAY INTO
FRIDAY.

&&

.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
445 PM UPDATE...
SEVERE THUNDERSTORM WATCH ISSUED FOR ENTIRE CWA UNTIL 10 PM...02Z.
SEVERE THUNDERSTORM WARNINGS BEING ISSUED BY BUF AND CTP. NO
REPORTS YET. BROKEN LINE ON NW EDGE OF CWA SHOULD MOVE THROUGH
MIDDLE OF CWA AROUND 00Z AND OUT NEAR 2Z. PRODUCTS UPDATED AND
DAMAGING WINDS ADDED TO GRIDS.

3 PM UPDATE...

WARM HUMID AIRMASS OVER THE CWA AHEAD OF A COLD FRONT IN SE
ONTARIO. LINES OF SHOWERS AND THUNDERSTORMS AHEAD THE FRONT FROM
NE NY TO WRN NY AND WRN PA. CONVECTION BRUSHING THE FAR NORTH NOW
BUT BULK OF IT WILL COME IN 5 TO 8 PM. CONVECTION EXITS SE TOWARDS
MIDNIGHT. THE ENTIRE CWA WILL HAVE AT LEAST ONE ROUND OF SHOWERS
AND THUNDERSTORMS. BY LATE EVE DIURNAL HEATING DIES WITH WEAKER
WINDS IN THE SE SO TSTORMS WILL BE DYING. IN THE NW HALF BEST CHC
OF SEVERE DUE MOSTLY TO DAMAGING WINDS. CAPE CURRENTLY OVER 1K
WITH SFC TEMPS IN 80S WITH DEWPTS POOLING A70. BULK 6KM SHEAR WILL
GET TO 50 KT BUT LL SHEAR WEAK WITH LIGHT WINDS AND LITTLE
TURNING. BEST FORCING ACROSS NY.

LATE TONIGHT HIGH PRESSURE ALREADY MOVING EAST ACROSS PA WHILE
DRIER AND COOLER AIR MOVES IN FROM THE NW AT LOW LEVELS. WITH THE
LIGHT LL WINDS AND THE WET GROUND FOG SHOULD BE COMMON IN AT LEAST
THE VALLEYS.

&&

.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH FRIDAY/...
3 PM UPDATE...

HIGH PRESSURE AT THE SURFACE WILL BUILD INTO THE AREA BY EVENING
AND REMAIN THROUGH THURSDAY. ALOFT THE FLOW WILL BE ZONAL. COOLER
AIR ON THURSDAY WILL QUICKLY MODERATE ON THE BACK SIDE OF THE
HIGH. UPPER LEVEL HEIGHTS WILL RISE WHILE LOW LEVELS INCREASE OUT
OF THE SOUTHWEST. ABOVE NORMAL TEMPS THU AROUND 80 RISE INTO THE
M80S THU AND FRI. A STRONG COLD FRONT GETS INTO SE ONTARIO LATE
FRIDAY. THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS FRI AFTN.

&&

.LONG TERM /FRIDAY NIGHT THROUGH TUESDAY/...
FRI WILL BE WARM AND HUMID AS A WSW FLOW OVER THE TOP OF THE RDG
BRINGS WARM AIR AND MOISTURE INTO THE REGION. ANOTHER STRONG COLD
FNT APRCHS FOR SAT BRINGING A GOOD CHANCE FOR SHWRS AND TRWS.
HIPRES BLDS BACK IN WITH COOLER AND DRIER AIR THRU THE END OF THE
PD. SOME HINT FROM THE MODELS THAT THE FNT COULD STALL OUT OVER
THE MID ATLANTIC BUT IT LOOKS FOR NOW LIKE THE FNT WILL STAY WELL
SOUTH OF THE FCST AREA. TEMPS LOOK TO BE ABV NRML FOR THE
PD...XCPT FOR MON WHEN THEY WILL BE NEAR NRML.

&&

.AVIATION /21Z TUESDAY THROUGH SUNDAY/...
COLD FNT APRCHG THE AREA THIS AFTN TRIGGERING CONV OVER SW
ONTARIO. MODELS IN RSNBL AGREEMENT FOR THE TIMING OF THE FNT AND
BEST CHANCE OF TRWS WITH RESTRICTIONS BETWEEN 21Z OND 02Z OVER THE
AREA. XPCT GRADUAL CLRG BHD THE FNT WITH VERY DRY AIR MVG IN.
XCPTN WILL BE AT ELM ONCE AGAIN AS THE ATMOS DECPLS AND WET GND
HELPS DVLP DENSE FOG AND VLIFR FOR SVRL HRS BEFORE DAWN. VFR
RETURNS TO ELM AND CONTS ELSWHERE THRU THE END OF THE TAF PD.

OUTLOOK...

WED NGT-FRI...VFR...EXCEPT POSSIBLE EARLY MORNING FOG...MAINLY KELM.

SAT...RESTRICTIONS PSBL IN SHRA/TSRA.

SUN...VFR.

&&

.BGM WATCHES/WARNINGS/ADVISORIES...
PA...NONE.
NY...NONE.

&&

SYNOPSIS...TAC
NEAR TERM...TAC
SHORT TERM...TAC
LONG TERM...DGM
AVIATION...DGM

Hazardous weather outlook, Sep 2, 7:49 PM EDT, 1 minute before

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In the hours before

Local storm report, Sep 2, 5:48 PM EDT, 2 hours 2 minutes before

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Local storm report, Sep 2, 6:14 PM EDT, 1 hour 36 minutes before

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Local storm report, Sep 2, 6:36 PM EDT, 1 hour 14 minutes before

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Special weather statement, Sep 2, 6:46 PM EDT, 1 hour 4 minutes before

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Local storm report, Sep 2, 7:27 PM EDT, 23 minutes before

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Local storm report, Sep 2, 7:49 PM EDT, 1 minute before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 2, 4:35 PM EDT	Special Weather Statement	BGM	Oneida	55 min
Sep 2, 5:20 PM EDT	Special Weather Statement	BGM	Oneida	25 min
Sep 2, 5:20 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	55 min
Sep 2, 5:46 PM EDT	Special Weather Statement	BGM	Seneca, Yates	59 min
Sep 2, 5:54 PM EDT	Severe Thunderstorm Warning	BGM	Steuben	66 min
Sep 2, 6:32 PM EDT	Severe Thunderstorm Warning	BGM	Chemung, Schuyler, Steuben	43 min
Sep 2, 6:46 PM EDT	Special Weather Statement	BGM	Madison, Onondaga	59 min
Sep 2, 7:10 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Chemung, Cortland, Schuyler, Tioga, Tompkins	65 min
Sep 2, 7:32 PM EDT	Severe Thunderstorm Warning	BGM	Chenango, Madison, Oneida, Otsego	58 min
Sep 2, 7:37 PM EDT	Severe Thunderstorm Warning	BGM	Broome, Tioga	53 min
Sep 2, 7:13 PM EDT	Severe Thunderstorm Warning	BGM	Bradford	62 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2014 Every severe thunderstorm warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.