Alert archive / Delaware / Flash Flood Warnings in 2013
Flash Flood Warning 19, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 28, 2013, 5:09 PM EDT for New Castle County, Delaware; Cecil County, Maryland. It was in force for 11 hr. 5 reports 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
- Jun 28, 2013, 5:09 PM EDT (21:09 UTC)
- Expired
- Jun 29, 2013, 4:15 AM EDT
- In force
- 11 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties New Castle County, DE, Cecil County, MD
The radar
The Dover AFB radar (KDOX), 97 km from the middle of the area, began a volume at 21:10 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 28, 5:30 PM EDT | FLASH FLOOD | Christiana, DE | FLOODING ALONG PARTS OF ROUTE 1 AND INTERSTATE 95. |
| Jun 28, 5:30 PM EDT | FLASH FLOOD | Newark, DE | FLOODING ON ROUTES 2 AND 7. WATER RESCUE IN PROGRESS. |
| Jun 28, 5:41 PM EDT | FLASH FLOOD | Bay View, MD | SEVERAL REPORTS OF ROUTE 274 FLOODED OVER. |
| Jun 28, 6:30 PM EDT | FLOOD | 2 S Newark, DE | PERSIMMON CREEK OVER ITS BANK AND WASHING OVER A SMALL ACCESS ROAD. CHRISTINA RIVER AT PERSIMMON CREEK OVER ITS BANKS FLOODING PARK LAND. |
| Jun 28, 9:45 PM EDT | FLOOD | Northeast Heights, MD | NORTHEAST CREEK IN NORTHEAST OUT OF ITS BANKS. SOME RESCUES OCCURRING DUE TO FLOODING OF PROPERTIES. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.2 hours before the alert went out and 159 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
- 34 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1246 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
267
WGUS51 KPHI 282109
FFWPHI
DEC003-MDC015-290215-
/O.NEW.KPHI.FF.W.0019.130628T2109Z-130629T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
509 PM EDT FRI JUN 28 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN NEW CASTLE COUNTY...
CECIL COUNTY...
* UNTIL 1015 PM EDT...
* AT 506 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
A SERIES OF THUNDERSTORMS WITH VERY HEAVY RAIN OVER CECIL AND
NORTHERN NEW CASTLE COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WILMINGTON
AND NEWARK.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY IN
THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DON'T DROWN!
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. TURN AROUND...DON'T DROWN! NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE
RISING WATER MOVE UP TO HIGHER GROUND.
&&
LAT...LON 3972 7578 3979 7572 3984 7562 3984 7551
3981 7543 3972 7548 3971 7551 3962 7560
3959 7559 3964 7557 3951 7557 3951 7600
3955 7603 3955 7608 3957 7610 3957 7609
3956 7608 3957 7608 3972 7623
$$
TFG2 follow-up statements
978
WGUS51 KPHI 290130
FFWPHI
DEC003-MDC015-290815-
/O.EXT.KPHI.FF.W.0019.000000T0000Z-130629T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
930 PM EDT FRI JUN 28 2013
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
NORTHERN NEW CASTLE COUNTY...
NORTHERN CECIL COUNTY...
* UNTIL 415 AM EDT SATURDAY...
* AT 1000 AM EDT SATURDAY...WHILE THE SHOWERS AND THUNDERSTORMS
WITH HEAVY RAIN ARE OVER, ONGOING FLOODING IS STILL OCCURRING
IN THE COUNTIES. SEVERAL STREAMS AND RIVERS ARE STILL
FLOODING AND THIS INCLUDES THE CHRISTINA RIVER AND BIG
ELK CREEK.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WILMINGTON
AND NEWARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
FLOODING IS OCCURRING. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. TURN AROUND...DON'T DROWN! NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE
RISING WATER MOVE UP TO HIGHER GROUND.
&&
LAT...LON 3972 7578 3979 7572 3984 7562 3984 7551
3981 7543 3972 7548 3971 7551 3962 7560
3959 7559 3964 7557 3951 7557 3951 7600
3955 7603 3955 7608 3957 7610 3957 7609
3956 7608 3957 7608 3972 7623
$$
TFG393
WGUS71 KPHI 290807
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
407 AM EDT SAT JUN 29 2013
DEC003-MDC015-290816-
/O.EXP.KPHI.FF.W.0019.000000T0000Z-130629T0815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NEW CASTLE DE-CECIL MD-
407 AM EDT SAT JUN 29 2013
...THE FLASH FLOOD WARNING WILL EXPIRE AT 415 AM EDT FOR NORTHERN
CECIL AND NORTHERN NEW CASTLE COUNTIES...
THE WATERS FROM YESTERDAYS HEAVY RAIN CONTINUES TO RECEDE OVERALL.
AS A RESULT, THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.
LAT...LON 3972 7578 3979 7572 3984 7562 3984 7551
3981 7543 3972 7548 3971 7551 3962 7560
3959 7559 3964 7557 3951 7557 3951 7600
3955 7603 3955 7608 3957 7610 3957 7609
3956 7608 3957 7608 3972 7623
$$
FORECASTER: GORSEThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 3:33 PM EDT | Areal Flood Advisory | PHI | New Castle | 117 min |
| Jun 28, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 55 min |
| Jun 28, 4:27 PM EDT | Tornado Warning | PHI | New Castle | 33 min |
| Jun 28, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 96 min |
| Jun 28, 6:48 PM EDT | River Flood Warning | PHI | New Castle | 9 hr |
| Jun 28, 6:48 PM EDT | River Flood Warning | PHI | New Castle | 8 hr |
| Jun 28, 3:19 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 41 min |
| Jun 28, 4:47 PM EDT | Special Weather Statement | PHI | Caroline, Kent, Queen Anne's, Talbot | 73 min |
| Jun 28, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 55 min |
| Jun 28, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 46 min |
Nearby
Flash Flood Warnings in Delaware, 2013Flash Flood Warnings in Maryland, 2013Every flash flood warning in 2013
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.