Alert archive / Maryland / River Flood Warnings in 2011
River Flood Warning 83, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this river flood warning at Apr 28, 2011, 9:55 AM EDT for Cecil County, Harford County, Maryland. It took effect at Apr 28, 2011, 9:18 PM EDT. It was in force for 55 hr.
The area
The counties it named.
The facts
- Issued
- Apr 28, 2011, 9:55 AM EDT (13:55 UTC)
- In effect from
- Apr 28, 2011, 9:18 PM EDT
- Expired
- May 1, 2011, 4:20 AM EDT
- In force
- 55 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 13:57 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 25.01 ft at Apr 29, 2011, 10:00 AM EDT.
- 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.
938
WGUS41 KPHI 281355
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
955 AM EDT THU APR 28 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.
&&
MDC015-025-281955-
/O.NEW.KPHI.FL.W.0083.110429T0948Z-000000T0000Z/
/CNWM2.2.ER.110429T0948Z.110430T1200Z.000000T0000Z.NO/
955 AM EDT THU APR 28 2011
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLOOD WARNING FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* FROM LATE TONIGHT UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS
CANCELLED.
* AT 9:30 AM THURSDAY THE STAGE WAS 21.6 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MODERATE FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE TONIGHT AND CONTINUE TO
RISE TO NEAR 25.9 FEET BY SATURDAY MORNING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN
AT CONOWINGO DAM.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 21.64 THU 9 AM 25.9 SAT 8 AM
&&11 follow-up statements
762
WGUS81 KPHI 281954
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
354 PM EDT THU APR 28 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND...
SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
MDC015-025-290554-
/O.EXT.KPHI.FL.W.0083.110429T0352Z-000000T0000Z/
/CNWM2.2.ER.110429T0352Z.110430T1200Z.000000T0000Z.NO/
354 PM EDT THU APR 28 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* FROM THIS EVENING UNTIL FURTHER NOTICE.
* AT 3:30 PM THURSDAY THE STAGE WAS 22.9 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MODERATE FLOODING IS FORECAST.
* FORECAST...RISE ABOVE FLOOD STAGE TONIGHT AND CONTINUE TO RISE TO
NEAR 25.8 FEET BY SATURDAY MORNING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN
AT CONOWINGO DAM.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 22.90 THU 3 PM 25.8 SAT 8 AM
&&189
WGUS81 KPHI 290119
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
919 PM EDT THU APR 28 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.
&&
MDC015-025-291219-
/O.EXT.KPHI.FL.W.0083.110429T0118Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110430T0600Z.000000T0000Z.NO/
919 PM EDT THU APR 28 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* UNTIL FURTHER NOTICE.
* AT 8:30 PM THURSDAY THE STAGE WAS 23.8 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 26.1 FEET BY EARLY
SATURDAY MORNING THEN BEGIN FALLING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN
AT CONOWINGO DAM.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 23.81 THU 8 PM 26.1 SAT 2 AM
&&070
WGUS81 KPHI 290729
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
329 AM EDT FRI APR 29 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND...
SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
MDC015-025-291729-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110430T0500Z.000000T0000Z.NO/
329 AM EDT FRI APR 29 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 2:30 AM FRIDAY THE STAGE WAS 23.8 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 26.1 FEET EARLY
SATURDAY MORNING...THEN BEGIN FALLING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN
AT CONOWINGO DAM.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 23.79 FRI 2 AM 26.1 SAT 1 AM
&&340
WGUS81 KPHI 291425
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1025 AM EDT FRI APR 29 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.
&&
MDC015-025-300025-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110430T0600Z.000000T0000Z.NO/
1025 AM EDT FRI APR 29 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 9:30 AM FRIDAY THE STAGE WAS 25.0 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 25.8 FEET TONIGHT
THEN BEGIN FALLING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN
AT CONOWINGO DAM.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 25.05 FRI 9 AM 25.8 SAT 2 AM
&&580
WGUS81 KPHI 292003
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
403 PM EDT FRI APR 29 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND...
SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
MDC015-025-300603-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110430T0600Z.000000T0000Z.NO/
403 PM EDT FRI APR 29 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 3:30 PM FRIDAY THE STAGE WAS 25.0 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MODERATE FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE RISING TO NEAR 25.6 FEET TONIGHT
THEN BEGIN FALLING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN
AT CONOWINGO DAM.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 25.02 FRI 3 PM 25.6 SAT 2 AM
&&940
WGUS81 KPHI 300110
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
910 PM EDT FRI APR 29 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.
&&
MDC015-025-301210-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110430T0600Z.000000T0000Z.NO/
910 PM EDT FRI APR 29 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 8:30 PM FRIDAY THE STAGE WAS 24.7 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MINOR FLOODING IS OCCURRING AND MODERATE FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL CONTINUE TO FLUCTUATE BETWEEN THE MINOR
AND MODERATE FLOODING THRESHOLDS BASED ON THE NUMBER OF GATES OPENED.
IT SHOULD RISE TO NEAR 25.6 FEET EARLY SATURDAY AND THEN BEGIN FALLING.
* IMPACT...AT 26.3 FEET...NOTIFICATION LEVEL 6 WITH 26 TO 32 GATES OPEN
AT CONOWINGO DAM.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 24.66 FRI 8 PM 25.6 SAT 2 AM
&&582
WGUS81 KPHI 300810
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
410 AM EDT SAT APR 30 2011
...THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER BELOW
CONOWINGO DAM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK IT IS.
&&
MDC015-025-301810-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110429T2015Z.000000T0000Z.NO/
410 AM EDT SAT APR 30 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA RIVER BELOW CONOWINGO DAM.
* AT 3:30 AM, THE STAGE WAS 24.5 FEET AND FLUCTUATING.
* FLOOD STAGE IS 23.5 FEET.
* IMPACT...AT 24.8 FEET...NOTIFICATION LEVEL 5 WITH 21 TO 25 GATES
OPEN AT THE CONOWINGO DAM. BACKYARDS AND BASEMENTS ON MAIN STREET
AND TOME'S LANDING FLOOD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 24.46 SAT 300 AM NEAR CREST
&&
IOVINO907
WGUS41 KPHI 301402
FLWPHI
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
1002 AM EDT SAT APR 30 2011
...FORECAST FLOODING CHANGED FROM MINOR TO MODERATE SEVERITY 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.
&&
MDC015-025-302002-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110429T2015Z.000000T0000Z.NO/
1002 AM EDT SAT APR 30 2011
...FORECAST FLOODING INCREASED FROM MINOR TO MODERATE SEVERITY...
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* UNTIL FURTHER NOTICE...OR UNTIL THE WARNING IS CANCELLED.
* AT 9:30 AM SATURDAY THE STAGE WAS 24.7 FEET.
* FLOOD STAGE IS 23.5 FEET.
* MINOR TO MODERATE FLOODING HAS BEEN OCCURRING AND MINOR TO MODERATE
FLOODING IS FORECAST.
* FORECAST...THE RIVER WILL FLUCTUATE AROUND 25 FEET TODAY AND
THEN BEGIN FALLING.
* 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.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 24.73 SAT 9 AM OSCILLATE AROUND 25 FEET
&&282
WGUS81 KPHI 301957
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MT HOLLY, NEW JERSEY
357 PM EDT SAT APR 30 2011
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN MARYLAND...
SUSQUEHANNA BELOW CONOWINGO DAM AFFECTING CECIL AND HARFORD COUNTIES
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK.
&&
MDC015-025-010557-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110429T2015Z.000000T0000Z.NO/
357 PM EDT SAT APR 30 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA BELOW CONOWINGO DAM.
* AT 3:30 PM SATURDAY THE STAGE WAS 24.7 FEET AND FLUCTUATING.
* FLOOD STAGE IS 23.5 FEET.
* THE RIVER HAS CRESTED AND OVERALL MINOR FLOODING IS ANTICIPATED
FOR THE REST OF THIS EVENT.
* IMPACT...AT 24.8 FEET...NOTIFICATION LEVEL 5 WITH 21 TO 25 GATES OPEN
AT CONOWINGO DAM. BACKYARDS AND BASEMENTS ON MAIN STREET AND TOME'S
LANDING BEGIN TO FLOOD.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 24.67 SAT 3 PM CRESTED AT 25.12 FRIDAY AFTERNOON
&&205
WGUS81 KPHI 010410
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1210 AM EDT SUN MAY 1 2011
...THE FLOOD WARNING CONTINUES FOR THE SUSQUEHANNA RIVER
BELOW THE CONOWINGO DAM...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SAFETY MESSAGE...DO NOT ATTEMPT TO DRIVE THROUGH FLOODED AREAS. THE
WATER MAY BE DEEPER THAN YOU THINK IT IS.
&&
MDC015-025-011410-
/O.CON.KPHI.FL.W.0083.000000T0000Z-000000T0000Z/
/CNWM2.2.ER.110428T2324Z.110429T2015Z.000000T0000Z.NO/
1210 AM EDT SUN MAY 1 2011
THE FLOOD WARNING CONTINUES FOR
THE SUSQUEHANNA RIVER BELOW THE CONOWINGO DAM.
* AT 11:30 PM SATURDAY, THE STAGE WAS 23.3 FEET AND IT WAS
FLUCTUATING.
* THE RIVER MAY RISE BACK ABOVE FLOOD STAGE DEPENDING UPON
OPERATIONS AT THE DAM. MINOR FLOODING IS POSSIBLE.
* FLOOD STAGE IS 23.5 FEET.
* IMPACT...AT 23.7 FEET...NOTIFICATION LEVEL 4 WITH 18 TO 20 GATES
OPEN AT THE CONOWING DAM. MINOR FLOODING BEGINS IN THE TOWN OF
PORT DEPOSIT, MARYLAND.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 23.34 SAT 1130 PM CRESTED
&&
IOVINO261
WGUS81 KPHI 010820
FLSPHI
FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
420 AM EDT SUN MAY 1 2011
...THE FLOOD WARNING IS CANCELLED FOR THE SUSQUEHANNA RIVER
BELOW THE CONOWINGO DAM...
&&
MDC015-025-010850-
/O.CAN.KPHI.FL.W.0083.000000T0000Z-110501T0820Z/
/CNWM2.2.ER.110428T2324Z.110429T2015Z.110430T2301Z.NO/
420 AM EDT SUN MAY 1 2011
THE FLOOD WARNING IS CANCELLED FOR
THE SUSQUEHANNA RIVER BELOW THE CONOWINGO DAM.
* AT 3:30 AM, THE STAGE WAS 22.5 FEET AND FALLING.
* FLOOD STAGE IS 23.5 FEET.
$$
FLD OBSERVED FORECAST
LOCATION STG STG DAY TIME CREST
SUSQUEHANNA RIVER
CONOWINGO DAM 23.5 22.49 SUN 330 AM CRESTED
&&
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 6:12 AM EDT | Special Weather Statement | PHI | Cecil, Kent | 63 min |
| Apr 28, 11:32 AM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's, Talbot | 58 min |
| Apr 28, 11:37 AM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's | 53 min |
| Apr 28, 12:42 PM EDT | Special Weather Statement | PHI | Cecil, Kent, Queen Anne's | 63 min |
| Apr 28, 5:04 PM EDT | Special Weather Statement | PHI | Caroline, Talbot | 56 min |
| Apr 28, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 39 min |
Nearby
River Flood Warnings in Maryland, 2011Every 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.