Alert archive / Maryland / River Flood Warnings in 2011

River Flood Warning 58, NWS Philadelphia/Mount Holly

March 11, 2011Cecil County, Harford County, Maryland

NWS Philadelphia/Mount Holly issued this river flood warning at Mar 11, 2011, 10:31 AM EST for Cecil County, Harford County, Maryland. It took effect at Mar 11, 2011, 11:15 AM EST. It was in force for 64 hr.

The area

The counties it named.

The facts

Issued: Mar 11, 2011, 10:31 AM EST (15:31 UTC)
In effect from: Mar 11, 2011, 11:15 AM EST
Expired: Mar 14, 2011, 4:02 AM EDT
In force: 64 hr
Issued by: NWS Philadelphia/Mount Holly
Flood severity: Moderate

Counties Cecil County, MD, Harford County, MD

The radar

The Dover AFB radar (KDOX), 100 km from the middle of the area, began a volume at 15:32 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 river

Written for the forecast point Susquehanna River at Conowingo Dam (CNWM2). The gauge peaked at 27.78 ft at Mar 12, 2011, 11:00 AM EST.

Action stage: 21.5 ft
Minor stage: 23.5 ft
Moderate stage: 24.8 ft
Major stage: 28.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01578310, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

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

302 
WGUS41 KPHI 111531
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1031 AM EST FRI MAR 11 2011

...THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A FLOOD 
WARNING FOR THE FOLLOWING RIVERS IN MARYLAND... 

  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-112131-
/O.NEW.KPHI.FL.W.0058.110311T1615Z-000000T0000Z/
/CNWM2.2.ER.110311T1615Z.110313T0000Z.000000T0000Z.NO/
1031 AM EST FRI MAR 11 2011

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A 

* FLOOD WARNING FOR 
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS CANCELLED.
* AT  9:30 AM FRIDAY THE STAGE WAS 23.3 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* MODERATE FLOODING IS FORECAST. 
* FORECAST...RISE ABOVE FLOOD STAGE BY LATE THIS MORNING AND CONTINUE TO
  RISE TO NEAR 27.3 FEET BY TOMORROW EVENING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN 
  AT CONOWINGO DAM.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   23.29  FRI 9 AM    27.3  SAT 7 PM 

&&

10 follow-up statements

441 
WGUS81 KPHI 112039
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
339 PM EST FRI MAR 11 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-120639-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110313T0000Z.000000T0000Z.NO/
339 PM EST FRI MAR 11 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT  2:30 PM FRIDAY THE STAGE WAS 23.3 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* MODERATE FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE BY LATE THIS AFTERNOON AND CONTINUE 
  TO RISE TO NEAR 27.3 FEET BY TOMORROW EVENING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN 
  AT CONOWINGO DAM.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   23.33  FRI 2 PM    27.3  SAT 7 PM 

&&

399 
WGUS81 KPHI 120659
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
159 AM EST SAT MAR 12 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-121659-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110313T0200Z.000000T0000Z.NO/
159 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT  1:30 AM SATURDAY THE STAGE WAS 26.5 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 27.3 FEET BY TONIGHT
  THEN BEGIN FALLING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN 
  AT CONOWINGO DAM.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   26.51  SAT 1 AM    27.3  SAT 9 PM 

&&

952 
WGUS81 KPHI 120731
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
231 AM EST SAT MAR 12 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN NEW JERSEY...
 
  POMPTON RIVER AT POMPTON PLAINS AFFECTING MORRIS AND PASSAIC COUNTIES 
  RAMAPO RIVER AT POMPTON LAKES AFFECTING BERGEN...MORRIS AND PASSAIC 
  COUNTIES 
  WANAQUE RIVER AT WANAQUE DAM AFFECTING PASSAIC COUNTY 

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN NEW JERSEY...
MARYLAND..

  PASSAIC RIVER AT CHATHAM AFFECTING MORRIS AND SOMERSET COUNTIES 
  PASSAIC RIVER AT PINE BROOK AFFECTING ESSEX...MORRIS AND PASSAIC 
  COUNTIES 
  PASSAIC RIVER AT LITTLE FALLS AFFECTING ESSEX AND PASSAIC COUNTIES 
  PEQUANNOCK RIVER BELOW MACOPIN DAM AFFECTING MORRIS AND PASSAIC 
  COUNTIES 
  ROCKAWAY RIVER AT BOONTON ABOVE THE RESERVOIR AFFECTING MORRIS COUNTY
  
  ROCKAWAY RIVER AT BOONTON BELOW THE RESERVOIR AFFECTING MORRIS COUNTY
  
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

NJC027-035-121731-
/O.CON.KPHI.FL.W.0047.000000T0000Z-110314T0000Z/
/CAMN4.1.ER.110311T0248Z.110311T0900Z.110313T1800Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE PASSAIC RIVER AT CHATHAM.
* AT 2:15 AM SATURDAY THE STAGE WAS 6.2 FEET. 
* FLOOD STAGE IS 6.0 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 6.3 FEET 
  THIS MORNING. THE RIVER WILL FALL BELOW FLOOD STAGE EARLY 
  SUNDAY AFTERNOON.

$$

NJC013-027-031-121730-
/O.CON.KPHI.FL.W.0013.000000T0000Z-000000T0000Z/
/PINN4.3.ER.110307T2130Z.110313T0000Z.000000T0000Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE PASSAIC RIVER AT PINE BROOK.
* AT 2:00 AM SATURDAY THE STAGE WAS 21.3 FEET. 
* FLOOD STAGE IS 19.0 FEET. 
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 22.0 FEET BY TONIGHT
  THEN BEGIN FALLING.

$$

NJC013-031-121730-
/O.CON.KPHI.FL.W.0014.000000T0000Z-000000T0000Z/
/LTFN4.3.ER.110307T1825Z.110313T0000Z.000000T0000Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE PASSAIC RIVER AT LITTLE FALLS.
* AT 1:30 AM SATURDAY THE STAGE WAS 10.6 FEET. 
* FLOOD STAGE IS 7.0 FEET. 
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 12.0 FEET 
  BY EARLY SUNDAY MORNING...THEN BEGIN FALLING.
* IMPACT...AT 12.0 FEET...WAGARAW ROAD IN HAWTHORNE, BETWEEN LAFAYETTE 
  AVENUE AND LINCOLN AVENUE, IS CLOSED. PASSAIC AVENUE, SCHOON AVENUE 
  AND VICENT STREET ARE ALSO CLOSED. HOMES AND BUSINESSES FLOOD.

$$

NJC027-031-121730-
/O.EXT.KPHI.FL.W.0037.000000T0000Z-110314T0040Z/
/PPPN4.3.ER.110311T0609Z.110312T0045Z.110313T1840Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE POMPTON RIVER AT POMPTON PLAINS.
* AT 2:15 AM SATURDAY THE STAGE WAS 21.6 FEET. 
* FLOOD STAGE IS 16.0 FEET. 
* MAJOR FLOODING IS OCCURRING AND MAJOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  SUNDAY AFTERNOON.
* IMPACT...AT 21.0 FEET...FLOODING IN A LARGE AREA FROM JACKSON AVENUE ON
  THE NORTH AND RIVERSIDE DRIVE ON THE SOUTH BETWEEN THE RAILROAD TRACKS
  AND THE RIVER.

$$

NJC003-027-031-121730-
/O.EXT.KPHI.FL.W.0038.000000T0000Z-110313T1200Z/
/PPTN4.3.ER.110311T0531Z.110311T1740Z.110313T0600Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE RAMAPO RIVER AT POMPTON LAKES.
* AT 2:15 AM SATURDAY THE STAGE WAS 14.7 FEET. 
* FLOOD STAGE IS 11.5 FEET. 
* MAJOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  EARLY SUNDAY MORNING.

$$

NJC027-121730-
/O.CON.KPHI.FL.W.0020.000000T0000Z-110313T1800Z/
/BNTN4.3.ER.110311T0231Z.110311T1645Z.110313T1200Z.NR/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE ROCKAWAY RIVER AT BOONTON ABOVE THE RESERVOIR.
* AT 2:00 AM SATURDAY THE STAGE WAS 6.6 FEET. 
* FLOOD STAGE IS 5.0 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  SUNDAY MORNING.

$$

NJC027-121730-
/O.CON.KPHI.FL.W.0007.000000T0000Z-000000T0000Z/
/BONN4.2.ER.110307T0738Z.110312T0100Z.000000T0000Z.NR/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE ROCKAWAY RIVER AT BOONTON BELOW THE RESERVOIR.
* AT 2:00 AM SATURDAY THE STAGE WAS 7.8 FEET. 
* FLOOD STAGE IS 5.0 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO A STAGE OF 5.9 FEET BY 
  SUNDAY MORNING.

$$

NJC031-121730-
/O.EXT.KPHI.FL.W.0048.000000T0000Z-110314T0900Z/
/WNQN4.3.ER.110311T0829Z.110311T1900Z.110314T0300Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE WANAQUE RIVER AT WANAQUE DAM.
* AT 2:00 AM SATURDAY THE STAGE WAS 7.5 FEET. 
* FLOOD STAGE IS 5.0 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FALL TO BELOW FLOOD STAGE BY 
  LATE SUNDAY EVENING.

$$

MDC015-025-121730-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110313T0200Z.000000T0000Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 1:30 AM SATURDAY THE STAGE WAS 26.5 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 27.3 FEET BY TONIGHT
  THEN BEGIN FALLING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN 
  AT CONOWINGO DAM.

$$

NJC027-031-121730-
/O.CON.KPHI.FL.W.0025.000000T0000Z-110314T0200Z/
/MCPN4.2.ER.110311T0157Z.110311T1445Z.110313T2000Z.NO/
231 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE PEQUANNOCK RIVER BELOW MACOPIN DAM.
* AT 2:00 AM SATURDAY THE STAGE WAS 5.9 FEET. 
* FLOOD STAGE IS 5.5 FEET. 
* MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 6.0 FEET BY THIS 
  EVENING. THE RIVER WILL FALL BELOW FLOOD STAGE SUNDAY AFTERNOON.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

PASSAIC RIVER
  CHATHAM          6.0    6.24  SAT 2 AM     6.3  SAT 6 AM 
  PINE BROOK       19.0   21.33  SAT 2 AM    22.0  SAT 7 PM 
  LITTLE FALLS     7.0   10.58  SAT 1 AM    12.0  SAT 7 PM 

ROCKAWAY RIVER
  BOONTON ABOVE T  5.0    6.56  SAT 2 AM     6.3  SAT 7 AM 
  BOONTON BELOW T  5.0    7.77  SAT 2 AM     7.5  SAT 7 AM 

PEQUANNOCK RIVER
  MACOPIN DAM      5.5    5.90  SAT 2 AM     6.0  SAT 7 PM 

POMPTON RIVER
  POMPTON PLAINS   16.0   21.56  SAT 2 AM    21.0  SAT 7 AM 

WANAQUE RIVER
  WANAQUE DAM      5.0    7.48  SAT 2 AM     7.3  SAT 7 AM 

RAMAPO RIVER
  POMPTON LAKES    11.5   14.74  SAT 2 AM    13.9  SAT 7 AM 

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   26.51  SAT 1 AM    27.3  SAT 9 PM 

&&

149 
WGUS81 KPHI 121645
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1145 AM EST SAT MAR 12 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-130245-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110312T2100Z.000000T0000Z.NO/
1145 AM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 11:30 AM SATURDAY THE STAGE WAS 27.7 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 28.2 FEET BY LATE 
  THIS AFTERNOON THEN BEGIN FALLING.
* IMPACT...AT 28.5 FEET...NOTIFICATION LEVEL 7 WITH 33 TO 35 GATES OPEN 
  AT CONOWINGO DAM.
* EXACT CREST HEIGHT AND TIMING DEPENDENT UPON UPSTREAM DAM OPERATIONS.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   27.71  SAT 11 AM   28.2  SAT 4 PM 

&&

034 
WGUS81 KPHI 130047
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
747 PM EST SAT MAR 12 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-131047-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110312T1545Z.000000T0000Z.NO/
747 PM EST SAT MAR 12 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT  7:30 PM SATURDAY THE STAGE WAS 25.7 FEET AND FLUCTUATING. 
* FLOOD STAGE IS 23.5 FEET. 
* MODERATE FLOODING IS OCCURRING.
* FORECAST...THE SUSQUEHANNA RIVER UPSTREAM OF THE DAM HAS CRESTED. 
* EXACT STAGE HEIGHTS AND TIMING DEPENDENT UPON UPSTREAM DAM OPERATIONS.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN 
  AT CONOWINGO DAM.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   25.67  SAT 7 PM     LIKELY CRESTED     

&&

057 
WGUS81 KPHI 130710
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
310 AM EDT SUN MAR 13 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-131710-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110312T1545Z.000000T0000Z.NO/
310 AM EDT SUN MAR 13 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 1:30 AM SUNDAY THE STAGE WAS 25.5 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* IMPACT...AT 24.8 FEET...NOTIFICATION LEVEL 5 WITH 21 TO 25 GATES OPEN 
  AT CONOWINGO DAM. BACKYARDS AND BASEMENTS ON MAIN STREET AND TOME'S 
  LANDING BEGIN TO FLOOD.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   25.51  SUN 1 AM          

&&

361 
WGUS81 KPHI 131504
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1104 AM EDT SUN MAR 13 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-140104-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110312T1545Z.000000T0000Z.NO/
1104 AM EDT SUN MAR 13 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 10:00 AM SUNDAY THE STAGE WAS 26.3 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN 
  AT CONOWINGO DAM.
* FLUCTUATIONS LIKELY DUE TO DAM RELEASES.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   26.27  SUN 10 AM      

&&

259 
WGUS81 KPHI 132144
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
544 PM EDT SUN MAR 13 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-140744-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110312T1545Z.000000T0000Z.NO/
544 PM EDT SUN MAR 13 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT  4:30 PM SUNDAY THE STAGE WAS 24.1 FEET AND SLOWLY FALLING. 
* FLOOD STAGE IS 23.5 FEET. 
* FORECAST...THE RIVER WILL CONTINUE TO FALL TONIGHT. 
* IMPACT...AT 23.7 FEET...NOTIFICATION LEVEL 4 WITH 18 TO 20 GATES OPEN 
  AT CONOWING DAM. MINOR FLOODING BEGINS IN THE TOWN OF PORT DEPOSIT 
  MARYLAND.
* FLUCTUATIONS LIKELY DUE TO DAM RELEASES.
 
$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   24.13  SUN 4 PM     CRESTED AT 27.8 FEET ON SATURDAY. 

&&

458 
WGUS81 KPHI 140143
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
943 PM EDT SUN MAR 13 2011

...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND..
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-141143-
/O.CON.KPHI.FL.W.0058.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110311T1450Z.110312T1545Z.000000T0000Z.NO/
943 PM EDT SUN MAR 13 2011

THE FLOOD WARNING CONTINUES FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 8:30 PM SUNDAY THE STAGE WAS 24.0 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* FORECAST...THE RIVER WILL CONTINUE TO FALL SLOWLY OVERNIGHT.
* IMPACT...AT 23.7 FEET...NOTIFICATION LEVEL 4 WITH 18 TO 20 GATES OPEN 
  AT CONOWING DAM. MINOR FLOODING BEGINS IN THE TOWN OF PORT DEPOSIT 
  MARYLAND.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   24.05  SUN 8 PM    23.5  MON 5 PM 

&&

076 
WGUS81 KPHI 140802
FLSPHI
FLOOD STATEMENT 
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
402 AM EDT MON MAR 14 2011

...THE FLOOD WARNING IS CANCELLED FOR THE FOLLOWING RIVERS IN 
MARYLAND...
 
  SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE 
WATER MAY BE DEEPER THAN YOU THINK.

&&

MDC015-025-140832-
/O.CAN.KPHI.FL.W.0058.000000T0000Z-110314T0802Z/
/CNWM2.2.ER.110311T1450Z.110312T1545Z.110314T0630Z.NO/
402 AM EDT MON MAR 14 2011

THE FLOOD WARNING IS CANCELLED FOR
  THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT  3:30 AM MONDAY THE STAGE WAS 23.4 FEET. 
* FLOOD STAGE IS 23.5 FEET. 
* IMPACT...AT 23.7 FEET...NOTIFICATION LEVEL 4 WITH 18 TO 20 GATES OPEN 
  AT CONOWING DAM. MINOR FLOODING BEGINS IN THE TOWN OF PORT DEPOSIT 
  MARYLAND.

$$

                   FLD      OBSERVED          FORECAST
 LOCATION          STG    STG  DAY TIME       CREST

SUSQUEHANNA RIVER
  CONOWINGO DAM    23.5   23.39  MON 3 AM          

&&

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 11, 3:25 AM EST	Coastal Flood Advisory	PHI	Caroline, Kent, Queen Anne's, Talbot	7 hr

Nearby

River Flood Warnings in Maryland, 2011 Every river flood warning 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.