Alert archive / New York / Flash Flood Watches in 2011
Flash Flood Watch 2, NWS Binghamton, NY
NWS Binghamton, NY issued this flash flood watch at Apr 27, 2011, 11:25 AM EDT for 17 counties in New York; 7 counties in Pennsylvania. It took effect at Apr 27, 2011, 8:00 PM EDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Apr 27, 2011, 11:25 AM EDT (15:25 UTC)
- In effect from
- Apr 27, 2011, 8:00 PM EDT
- Expired
- Apr 28, 2011, 2:00 PM EDT
- In force
- 18 hr
- Issued by
- NWS Binghamton, NY
- Flood severity
- None
All 24 counties
Broome County, NY, Cayuga County, NY, Chemung County, NY, Chenango County, NY, Cortland County, NY, Delaware County, NY, Madison County, NY, Oneida County, NY, Onondaga County, NY, Otsego County, NY, Schuyler County, NY, Seneca County, NY, Steuben County, NY, Sullivan County, NY, Tioga County, NY, Tompkins County, NY, Yates County, NY, Bradford County, PA, Lackawanna County, PA, Luzerne County, PA, Pike County, PA, Susquehanna County, PA, Wayne County, PA, Wyoming County, PA
The radar
The Binghamton radar (KBGM), 4 km from the middle of the area, began a volume at 15:27 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
Albany, NY (KALY), launched 12:00Z, 3.4 hours before the alert went out and 186 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
- 41 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 934 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
245 WGUS61 KBGM 271525 FFABGM URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE BINGHAMTON NY 1125 AM EDT WED APR 27 2011 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-272330- /O.NEW.KBGM.FF.A.0002.110428T0000Z-110428T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN- SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND- CHENANGO-OTSEGO-TIOGA-BROOME-DELAWARE-SULLIVAN-BRADFORD- SUSQUEHANNA-NORTHERN WAYNE-WYOMING-LACKAWANNA-LUZERNE-PIKE- SOUTHERN WAYNE- INCLUDING THE CITIES OF...BOONVILLE...PENN YAN...SENECA FALLS... AUBURN...SYRACUSE...CORNING...HORNELL...WATKINS GLEN...ELMIRA... ITHACA...ONEIDA...UTICA...ROME...CORTLAND...NORWICH...ONEONTA... COOPERSTOWN...OWEGO...BINGHAMTON...WALTON...DELHI...MONTICELLO... TOWANDA...SAYRE...MONTROSE...TUNKHANNOCK...SCRANTON... WILKES-BARRE...HAZLETON...MILFORD...HONESDALE 1125 AM EDT WED APR 27 2011 ...FLASH FLOOD WATCH IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH THURSDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN BINGHAMTON HAS ISSUED A * FLASH FLOOD WATCH FOR PORTIONS OF NEW YORK AND NORTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING COUNTIES...IN NEW YORK...BROOME...CHEMUNG...CHENANGO...CORTLAND...DELAWARE... MADISON...NORTHERN ONEIDA...ONONDAGA...OTSEGO...SCHUYLER... SENECA...SOUTHERN CAYUGA...SOUTHERN ONEIDA...STEUBEN... SULLIVAN...TIOGA...TOMPKINS AND YATES. IN NORTHEAST PENNSYLVANIA...BRADFORD...LACKAWANNA...LUZERNE...NORTHERN WAYNE...PIKE...SOUTHERN WAYNE...SUSQUEHANNA AND WYOMING. * FROM 8 PM EDT THIS EVENING THROUGH THURSDAY AFTERNOON * A WARM...MOIST AND UNSTABLE AIRMASS...COUPLED WITH THE PASSAGE OF A COLD FRONT ON THURSDAY MORNING...WILL SET THE STAGE FOR NUMEROUS SHOWERS AND THUNDERSTORMS STARTING THIS EVENING AND CONTINUING THROUGH THURSDAY MORNING. RECENT HEAVY RAINFALL HAS LEFT THE GROUND NEARLY SATURATED...AND IT WILL ONLY TAKE ONE HALF INCH OF RAIN IN A ONE HOUR PERIOD TO CAUSE FLASH FLOODING. * FLASH FLOODING RESULTS IN RAPID RISES ON STREAMS AND CREEKS...AND SIGNIFICANT FLOODING IN LOW LYING AND URBAN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
3 follow-up statements
762 WGUS61 KBGM 280150 FFABGM FLOOD WATCH NATIONAL WEATHER SERVICE BINGHAMTON NY 950 PM EDT WED APR 27 2011 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-281000- /O.CON.KBGM.FF.A.0002.000000T0000Z-110428T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN- SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND- CHENANGO-OTSEGO-TIOGA-BROOME-DELAWARE-SULLIVAN-BRADFORD- SUSQUEHANNA-NORTHERN WAYNE-WYOMING-LACKAWANNA-LUZERNE-PIKE- SOUTHERN WAYNE- INCLUDING THE CITIES OF...BOONVILLE...PENN YAN...SENECA FALLS... AUBURN...SYRACUSE...CORNING...HORNELL...WATKINS GLEN...ELMIRA... ITHACA...ONEIDA...UTICA...ROME...CORTLAND...NORWICH...ONEONTA... COOPERSTOWN...OWEGO...BINGHAMTON...WALTON...DELHI...MONTICELLO... TOWANDA...SAYRE...MONTROSE...TUNKHANNOCK...SCRANTON... WILKES-BARRE...HAZLETON...MILFORD...HONESDALE 950 PM EDT WED APR 27 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THURSDAY AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NEW YORK AND NORTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING COUNTIES...IN NEW YORK...BROOME...CHEMUNG... CHENANGO...CORTLAND...DELAWARE...MADISON...NORTHERN ONEIDA... ONONDAGA...OTSEGO...SCHUYLER...SENECA...SOUTHERN CAYUGA... SOUTHERN ONEIDA...STEUBEN...SULLIVAN...TIOGA...TOMPKINS AND YATES. IN NORTHEAST PENNSYLVANIA...BRADFORD...LACKAWANNA... LUZERNE...NORTHERN WAYNE...PIKE...SOUTHERN WAYNE...SUSQUEHANNA AND WYOMING. * THROUGH THURSDAY AFTERNOON * A WARM...MOIST AND UNSTABLE AIRMASS...COUPLED WITH THE PASSAGE OF A COLD FRONT ON THURSDAY MORNING...WILL SET THE STAGE FOR NUMEROUS SHOWERS AND THUNDERSTORMS THIS EVENING AND CONTINUING THROUGH THURSDAY MORNING. RECENT HEAVY RAINFALL HAS LEFT THE GROUND NEARLY SATURATED...AND IT WILL ONLY TAKE ONE HALF INCH OF RAIN IN A ONE HOUR PERIOD TO CAUSE FLASH FLOODING. * FLASH FLOODING RESULTS IN RAPID RISES ON STREAMS AND CREEKS... AND SIGNIFICANT FLOODING IN LOW LYING AND URBAN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
920 WGUS61 KBGM 280841 FFABGM FLOOD WATCH NATIONAL WEATHER SERVICE BINGHAMTON NY 441 AM EDT THU APR 28 2011 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-281645- /O.CON.KBGM.FF.A.0002.000000T0000Z-110428T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN- SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND- CHENANGO-OTSEGO-TIOGA-BROOME-DELAWARE-SULLIVAN-BRADFORD- SUSQUEHANNA-NORTHERN WAYNE-WYOMING-LACKAWANNA-LUZERNE-PIKE- SOUTHERN WAYNE- INCLUDING THE CITIES OF...BOONVILLE...PENN YAN...SENECA FALLS... AUBURN...SYRACUSE...CORNING...HORNELL...WATKINS GLEN...ELMIRA... ITHACA...ONEIDA...UTICA...ROME...CORTLAND...NORWICH...ONEONTA... COOPERSTOWN...OWEGO...BINGHAMTON...WALTON...DELHI...MONTICELLO... TOWANDA...SAYRE...MONTROSE...TUNKHANNOCK...SCRANTON... WILKES-BARRE...HAZLETON...MILFORD...HONESDALE 441 AM EDT THU APR 28 2011 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NEW YORK AND NORTHEAST PENNSYLVANIA...INCLUDING THE FOLLOWING COUNTIES...IN NEW YORK...BROOME...CHEMUNG... CHENANGO...CORTLAND...DELAWARE...MADISON...NORTHERN ONEIDA... ONONDAGA...OTSEGO...SCHUYLER...SENECA...SOUTHERN CAYUGA... SOUTHERN ONEIDA...STEUBEN...SULLIVAN...TIOGA...TOMPKINS AND YATES. IN NORTHEAST PENNSYLVANIA...BRADFORD...LACKAWANNA... LUZERNE...NORTHERN WAYNE...PIKE...SOUTHERN WAYNE...SUSQUEHANNA AND WYOMING. * UNTIL 2 PM EDT THIS AFTERNOON * A WARM...MOIST AND UNSTABLE AIRMASS...COUPLED WITH THE PASSAGE OF A COLD FRONT THIS MORNING...WILL SET THE STAGE FOR NUMEROUS SHOWERS AND THUNDERSTORMS. RECENT HEAVY RAINFALL HAS LEFT THE GROUND NEARLY SATURATED...AND IT WILL ONLY TAKE ONE HALF INCH OF RAIN IN A ONE HOUR PERIOD TO CAUSE FLASH FLOODING. * FLASH FLOODING RESULTS IN RAPID RISES ON STREAMS AND CREEKS... AND SIGNIFICANT FLOODING IN LOW LYING AND URBAN AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
454 WGUS61 KBGM 281811 FFABGM FLOOD WATCH NATIONAL WEATHER SERVICE BINGHAMTON NY 211 PM EDT THU APR 28 2011 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-281915- /O.EXP.KBGM.FF.A.0002.000000T0000Z-110428T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN- SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND- CHENANGO-OTSEGO-TIOGA-BROOME-DELAWARE-SULLIVAN-BRADFORD- SUSQUEHANNA-NORTHERN WAYNE-WYOMING-LACKAWANNA-LUZERNE-PIKE- SOUTHERN WAYNE- INCLUDING THE CITIES OF...BOONVILLE...PENN YAN...SENECA FALLS... AUBURN...SYRACUSE...CORNING...HORNELL...WATKINS GLEN...ELMIRA... ITHACA...ONEIDA...UTICA...ROME...CORTLAND...NORWICH...ONEONTA... COOPERSTOWN...OWEGO...BINGHAMTON...WALTON...DELHI...MONTICELLO... TOWANDA...SAYRE...MONTROSE...TUNKHANNOCK...SCRANTON... WILKES-BARRE...HAZLETON...MILFORD...HONESDALE 211 PM EDT THU APR 28 2011 ...FLASH FLOOD WATCH HAS EXPIRED... THE FLASH FLOOD WATCH FOR PORTIONS OF NEW YORK AND NORTHEAST PENNSYLVANIA HAS EXPIRED. FLOODING WILL CONTINUE ON AREA RIVERS AND TRIBUTARIES...BUT NO ADDITIONAL RAINFALL IS EXPECTED...AND THERE WILL LIKELY BE NO NEW AREAS OF FLASH FLOODING. $$ JAB
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Apr 27, 9:02 AM EDT, 2 hours 23 minutes earlier.
Area forecast discussion, Apr 27, 9:02 AM EDT, 2 hours 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BINGHAMTON NY 902 AM EDT WED APR 27 2011 .SYNOPSIS... ANOTHER MILD DAY FOR CENTRAL NEW YORK AND NORTHEAST PENNSYLVANIA ALONG WITH SCATTERED PRIMARILY AFTERNOON AND EVENING THUNDERSTORMS. A COLD FRONT WILL APPROACH THE REGION LATER TONIGHT AND CROSS THE AREA ON THURSDAY. MORE WIDESPREAD SHOWERS AND THUNDERSTORMS ARE EXPECTED LATER TONIGHT THROUGH MIDDAY THURSDAY. FRIDAY WILL BE COOLER AND UNSETTLED. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... AT 0830Z, LOCAL RADARS SHOW NO ACTIVITY OVER THE REGION WITH NEAREST CONVECTION WELL TO OUR EAST AND SOUTH. LATER TODAY WITH DAYTIME HEATING SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP. MODEL SOUNDINGS INDICATE LESS CAPE THAN YESTERDAY, AS MID LEVELS HAVE WARMED, WITH VALUES RANGING FROM 500-1000 J/KG. KINEMATICS ARE MORE SUPPORTIVE FOR SEVERE WEATHER THAN YESTERDAY AS BULK SHEAR AND LOW LEVEL HELICITY VALUES ARE GREATER. AS FOR TRIGGERS, THE NAM IS SUGGESTING MID LEVEL SHORT WAVES IS FAST SOUTHWEST FLOW MAY REACH THE REGION LATER THIS AFTERNOON THROUGH EVENING. THIS WOULD IMPLY CONVECTION WILL BECOME MORE WIDESPREAD LATER THIS AFTERNOON AND EVENING WITH THE POTENTIAL FOR SOME TO BECOME SEVERE. MAIN SEVERE WEATHER THREAT WOULD BE LARGE HAIL AND DAMAGING WINDS. STORMS WILL ALSO PRODUCE HEAVY DOWNPOURS IN HIGH PWAT AIRMASS. DUE TO WET SOIL CONDITIONS ANY HEAVY DOWNPOURS COULD RESULT IN MORE LOCALIZED FLOODING. LATER SHIFTS MAY NEED TO ISSUE A FLASH FLOOD WATCH. SKIES WILL BE CLOUDY TO MOSTLY CLOUDY THROUGH MID MORNING THEN DAYTIME MIXING SHOULD LEAD TO PARTLY SUNNY SKIES BY MIDDAY. MAX TEMPS WILL BE NEAR YESTERDAYS HIGHS, GENERALLY MID 70S TO AROUND 80. && .SHORT TERM /6 PM THIS EVENING THROUGH FRIDAY NIGHT/... TONIGHT...UPPER LEVEL TROF WILL REMAIN TO OUR WEST WITH EMBEDDED SHORT WAVES IN FAST SOUTHWEST FLOW MOVING ACROSS REGION IN ADVANCE OF OCCLUDED FRONT. SHOWERS AND THUNDERSTORMS WILL BECOME MORE WIDESPREAD AS THE NIGHT PROGRESSES. THERE STILL WILL BE A SEVERE WEATHER THREAT AS FORCING WILL BE STRONG. WILL INCREASE POPS TO CATEGORICAL OVERNIGHT. THURSDAY...SFC OCCLUSION WILL PASS THROUGH THE REGION BETWEEN 15Z- 21Z. BEST THREAT FOR SEVERE WEATHER WILL BE EASTERN SECTIONS WHERE ATMOSPHERIC DESTABILIZATION MAY OCCUR BEFORE FROPA. WILL CARRY CATEGORICAL POPS ALL AREAS THEN DECREASE QUICKLY DURING THE AFTERNOON ONCE FRONT PASSES. MAX TEMPS OVER WESTERN PTN OF FA WILL OCCUR DURING THE MORNING HOURS AS STRONG CAA WILL OCCUR BEHIND FRONT. THURSDAY NIGHT...CYCLONIC FLOW, COLD AIR ADVECTION AND WRAP AROUND MOISTURE WILL BRING SCATTERED RAIN SHOWERS TO MUCH OF CENTRAL NEW YORK ESPECIALLY AFTER MIDNIGHT. LOWS WILL FALL INTO THE LOWER TO MIDDLE 40S. FRIDAY AND FRIDAY NIGHT...COLD FRONT WILL BE PULLING EAST OF OUR REGION, BUT A SECONDARY FRONT WILL PUSH DOWN FROM CANADA. 850MB TEMPS NEAR ZERO WILL BRING MUCH COOLER SFC TEMPERATURES TO NY AND PA. WE ARE FORECASTING LIKELY SHOWERS OVER NORTHERN FA CLOSER TO SHORT WAVE ENERGY. ALSO EXPECT LAKE ENHANCEMENT OF SHOWERS. SCT- CHC POPS SHOULD COVER THE TWIN TIERS. DRIER AIR WORKS ITS WAY INTO FA LATE FRIDAY NIGHT. WILL KEEP CHC POPS FOR THE FIRST HALF OF THE OVERNIGHT, AND TAPER IT BACK AFTER 6Z. && .LONG TERM /SATURDAY THROUGH TUESDAY/... WE HAVE FOLLOWED HPC GUIDANCE FOR THE MED RNG. CRNT ACTIVE WX PRECLUDES IN DEPTH DISCUSSION...XPCT LINGERING -SHRA ON FRIDAY...THEN DRY WX SAT AND SAT NGT. NXT FNTL SYSTEM APRCHS AND WENT WITH SLOWER SOLUTION PREFERRED BY HPC...WITH A CHC FOR -SHRA SUN THRU TUE. && .AVIATION /13Z WEDNESDAY THROUGH SUNDAY/... UPDATED AT 855 AM...MVFR CIGS WILL AFFECT ITH/BGM/ELM AND AVP THRU 15-16Z.TAFS AMENDED TO REFLECT THIS. TRENDING TWDS THE IDEA THAT CONVECTION TDA WILL BE DELAYED DUE TO STABILIZING EFFECTS OF THIS CLD COVER...WITH ACTIVITY LIKELY AIDED BY THE APRCH OF A S/WV FROM THE OH VLY THIS EVNG. WRN SXNS MOST LIKELY TO SEE CONVECTION LATE TDA OR ERLY EVNG...SPREADING EWD OVRNGT. HAVE BEGUN TO INCORPORATE THESE IDEAS IN THE UPDATED TAFS. PREV BLO... PATCHY FOG WILL BURN OFF OVER THE NEXT 2 HOURS. VFR CONDITIONS ARE EXPECTED AT ALL TERMINALS WITH THE EXCEPTION OF ELM...WHERE VISIBILITIES WILL BOUNCE BETWEEN 1SM AND 5SM EARLY...AND AVP WHERE SOME BROKEN 1500 CLOUDS ARE OVERHEAD. BY 15Z...A BROKEN CUMULUS DECK WILL BEGIN TO FORM AROUN 3500-5000 FEET. WINDS WILL INCREASE OUT OF THE SOUTH-SOUTHEAST AT 10 TO 15 KNOTS WITH HIGH GUSTS. ANOTHER ROUND OF THUNDERSTORMS IS FORECAST FOR THIS AFTERNOON AND EVENING. THE BEST CHANCE FOR THUNDERSTORMS WILL BE BETWEEN 18Z AND 00Z. ANY THUNDERSTORMS WHICH FORM COULD PRODUCE IFR VISIBILITY REDUCTIONS, HAIL AND GUSTY WINDS. OUTLOOK... WED NGT...SCT MVFR IN TSRA. THU NGT-FRI NGT...VFR AND MVFR MAINLY CENTRAL NY IN SCATTERED SHRA. SAT...MAINLY VFR. SUN...MVFR IN SCT -SHRA. && .BGM WATCHES/WARNINGS/ADVISORIES... PA...NONE. NY...NONE. && SYNOPSIS...RRM NEAR TERM...RRM SHORT TERM...DJP/RRM
Hazardous weather outlook, Apr 27, 3:53 AM EDT, 7 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BINGHAMTON NY 353 AM EDT WED APR 27 2011 NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043- 044-047-048-072-280800- NORTHERN ONEIDA-YATES-SENECA-SOUTHERN CAYUGA-ONONDAGA-STEUBEN- SCHUYLER-CHEMUNG-TOMPKINS-MADISON-SOUTHERN ONEIDA-CORTLAND-CHENANGO- OTSEGO-TIOGA-BROOME-DELAWARE-SULLIVAN-BRADFORD-SUSQUEHANNA- NORTHERN WAYNE-WYOMING-LACKAWANNA-LUZERNE-PIKE-SOUTHERN WAYNE- 353 AM EDT WED APR 27 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL NEW YORK...SOUTHEASTERN NEW YORK AND NORTHEAST PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. SCATTERED THUNDERSTORMS WILL DEVELOP AGAIN LATER TODAY. SOME OF THESE STORMS COULD BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. HEAVY DOWNPOURS ARE ALSO LIKELY WITH THESE STORMS AND DUE TO THE RECENT WET WEATHER LOCALIZED FLOODING COULD RESULT. OVERNIGHT A COLD FRONT WILL APPROACH THE AREA BRINGING MORE WIDESPREAD THUNDERSTORMS TO THE AREA. THESE STORMS WILL ALSO HAVE THE POTENTIAL TO BECOME SEVERE ALONG WITH HEAVY DOWNPOURS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. A COLD FRONT WILL CROSS THE AREA THROUGH EARLY AFTERNOON WITH MORE THUNDERSTORMS EXPECTED. THESE STORMS WILL ALSO HAVE THE POTENTIAL TO BECOME SEVERE ALONG WITH HEAVY DOWNPOURS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. RRM
In the hours before
Local storm report, Apr 27, 10:52 AM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1052 AM EDT WED APR 27 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM FLASH FLOOD TROY 41.78N 76.79W
04/25/2011 BRADFORD PA EMERGENCY MNGR
WETONA ROAD CLOSED DUE TO EXTENSIVE FLASH FLOODING.
ROUTE 6 IN TRY ALSO CLOSED DUE TO FLASH FLOODING.
&&
DJNLocal storm report, Apr 27, 10:54 AM EDT, 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1054 AM EDT WED APR 27 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM FLASH FLOOD BIG FLATS 42.14N 76.93W
04/25/2011 CHEMUNG NY EMERGENCY MNGR
ROUTE 352 WASHED OUT FROM FLASH FLOODING.
&&
DJNLocal storm report, Apr 27, 11:00 AM EDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1100 AM EDT WED APR 27 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0900 PM FLASH FLOOD TROY 41.78N 76.79W
04/26/2011 BRADFORD PA EMERGENCY MNGR
SIGNIFICANT FLASH FLOODING REPORTED. MANY ROADS CLOSED
AND WASHED OUT.
&&
DJNLocal storm report, Apr 27, 11:03 AM EDT, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1103 AM EDT WED APR 27 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM FLASH FLOOD NEW ALBANY 41.60N 76.44W
04/26/2011 BRADFORD PA EMERGENCY MNGR
ROADS FLOODED AND WASHED OUT.
&&
DJNLocal storm report, Apr 27, 11:04 AM EDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1104 AM EDT WED APR 27 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM FLASH FLOOD LACEYVILLE 41.65N 76.16W
04/26/2011 WYOMING PA EMERGENCY MNGR
ROADS FLOODED AND WASHED OUT.
&&
DJNLocal storm report, Apr 27, 11:05 AM EDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BINGHAMTON NY
1105 AM EDT WED APR 27 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1100 PM FLASH FLOOD WILMOT 41.60N 76.32W
04/26/2011 BRADFORD PA EMERGENCY MNGR
ROADS WASHED OUT AND FLOODED.
&&
DJNThe office that day
Everything else NWS Binghamton, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 8:40 PM EDT | Areal Flood Advisory | BGM | Broome, Tioga | 3 hr |
| Apr 26, 8:55 PM EDT | Severe Thunderstorm Warning | BGM | Broome | 65 min |
| Apr 26, 9:05 PM EDT | Flash Flood Warning | BGM | Broome, Chenango, Tioga | 4 hr |
| Apr 26, 9:10 PM EDT | Flash Flood Warning | BGM | Cortland, Madison, Oneida, Onondaga | 2 hr |
| Apr 26, 9:19 PM EDT | Severe Thunderstorm Warning | BGM | Broome, Chenango, Delaware, Otsego | 41 min |
| Apr 26, 9:35 PM EDT | Areal Flood Advisory | BGM | Delaware, Otsego, Sullivan | 4 hr |
| Apr 26, 9:39 PM EDT | Tornado Warning | BGM | Otsego | 51 min |
| Apr 26, 9:45 PM EDT | Areal Flood Advisory | BGM | Sullivan | 4 hr |
| Apr 26, 9:59 PM EDT | Tornado Warning | BGM | Otsego | 34 min |
| Apr 26, 10:02 PM EDT | River Flood Warning | BGM | Tioga | 5 days |
| Apr 26, 10:02 PM EDT | Severe Thunderstorm Warning | BGM | Delaware, Otsego, Sullivan | 43 min |
| Apr 26, 10:07 PM EDT | Severe Thunderstorm Warning | BGM | Sullivan | 68 min |
| Apr 26, 10:49 PM EDT | Flash Flood Warning | BGM | Delaware, Otsego | 4 hr |
| Apr 26, 11:48 PM EDT | Areal Flood Advisory | BGM | Sullivan | 3 hr |
| Apr 27, 12:25 AM EDT | Special Weather Statement | BGM | Sullivan | 65 min |
| Apr 27, 1:09 AM EDT | River Flood Warning | BGM | Broome | 4 days |
| Apr 27, 1:09 AM EDT | River Flood Warning | BGM | Broome, Tioga | 4 days |
| Apr 27, 6:00 AM EDT | River Flood Warning | BGM | Broome | 58 hr |
| Apr 27, 6:02 AM EDT | River Flood Warning | BGM | Onondaga | 11 days |
| Apr 27, 1:27 PM EDT | River Flood Warning | BGM | Onondaga | 82 min |
| Apr 27, 5:33 PM EDT | Special Weather Statement | BGM | Delaware | 57 min |
| Apr 27, 6:49 PM EDT | Severe Thunderstorm Warning | BGM | Steuben, Yates | 56 min |
| Apr 27, 7:00 PM EDT | Severe Thunderstorm Warning | BGM | Steuben | 60 min |
| Apr 27, 7:40 PM EDT | Flash Flood Warning | BGM | Steuben, Yates | 3 hr |
| Apr 27, 7:43 PM EDT | Severe Thunderstorm Warning | BGM | Cayuga, Onondaga, Seneca | 62 min |
| Apr 27, 7:50 PM EDT | Severe Thunderstorm Warning | BGM | Chemung, Schuyler, Steuben, Tioga, Tompkins | 55 min |
| Apr 27, 7:56 PM EDT | Tornado Warning | BGM | Chemung, Schuyler, Seneca, Steuben, Tompkins, Yates | 64 min |
| Apr 26, 8:23 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 67 min |
| Apr 26, 9:09 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 51 min |
| Apr 26, 10:16 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Pike | 37 min |
| Apr 26, 11:23 PM EDT | Areal Flood Warning | BGM | Bradford | 6 hr |
| Apr 27, 2:43 AM EDT | River Flood Warning | BGM | Wyoming | 3 days |
| Apr 27, 6:00 AM EDT | River Flood Warning | BGM | Bradford | 63 hr |
| Apr 27, 10:25 AM EDT | River Flood Warning | BGM | Luzerne | 3 days |
Nearby
Flash Flood Watches in New York, 2011Flash Flood Watches in Pennsylvania, 2011Every flash flood watch in 2011
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.