Alert archive / Maryland / Flash Flood Warnings in 2016
Flash Flood Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at May 2, 2016, 10:45 PM EDT for Caroline County, Queen Anne's County, Talbot County, Maryland; Kent County, Sussex County, Delaware. It was in force for 6 hr. 3 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
- May 2, 2016, 10:45 PM EDT (02:45 UTC)
- Expired
- May 3, 2016, 4:45 AM EDT
- In force
- 6 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kent County, DE, Sussex County, DE, Caroline County, MD, Queen Anne's County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 23 km from the middle of the area, began a volume at 02:47 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 |
|---|---|---|---|
| May 2, 11:00 PM EDT | FLOOD | Denton, MD | HIGH WATERS ON A FEW ROADS... NO ROAD CLOSURES. |
| May 2, 11:00 PM EDT | FLOOD | Woodland, MD | HIGH WATER NEAR RABBIT HILL RD AND RT 309 |
| May 2, 11:40 PM EDT | FLOOD | Woodland, MD | HIGH WATER NEAR RABBIT HILL RD AND RT 309 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 00:00Z, 2.8 hours before the alert went out and 114 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
- 851 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
733
WGUS51 KPHI 030245
FFWPHI
DEC001-005-MDC011-035-041-030845-
/O.NEW.KPHI.FF.W.0005.160503T0245Z-160503T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1045 PM EDT MON MAY 2 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
KENT COUNTY IN CENTRAL DELAWARE...
NORTHWESTERN SUSSEX COUNTY IN SOUTHERN DELAWARE...
NORTHEASTERN TALBOT COUNTY IN EASTERN MARYLAND...
SOUTHEASTERN QUEEN ANNE'S COUNTY IN NORTHEASTERN MARYLAND...
CAROLINE COUNTY IN EASTERN MARYLAND...
* UNTIL 445 AM EDT TUESDAY
* AT 1041 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN ACROSS PORTIONS OF THE AREA. ADDITIONAL RAINFALL
WILL BE MOVING FROM WEST TO EAST ACROSS THE REGION. FLASH FLOODING
IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DOVER...EASTON...MILFORD...DENTON...HARRINGTON...CAMDEN...GREENSBORO...
OAKLAND...RIDGELY...PRESTON...ELLENDALE...BOWERS...GOLDSBORO...QUEEN
ANNE...WOODSIDE...VIOLA...HARMONY...AGNER...WINDYHILL AND RISING SUN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3920 7546 3910 7539 3906 7539 3903 7534
3898 7531 3893 7531 3884 7521 3867 7600
3870 7605 3871 7604 3884 7611 3883 7612
3895 7617
$$
NIERENBERG3 follow-up statements
255
WGUS71 KPHI 030431
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1231 AM EDT TUE MAY 3 2016
DEC001-005-MDC011-035-041-030845-
/O.CON.KPHI.FF.W.0005.000000T0000Z-160503T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT DE-SUSSEX DE-TALBOT MD-QUEEN ANNE'S MD-CAROLINE MD-
1231 AM EDT TUE MAY 3 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM EDT TUESDAY
FOR KENT...NORTHWESTERN SUSSEX...NORTHEASTERN TALBOT...SOUTHEASTERN
QUEEN ANNE'S AND CAROLINE COUNTIES...
AT 1222 AM EDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
WARNED AREA OF DELAWARE THOUGH IT HAS LET UP CONSIDERABLY IN THE
MARYLAND PORTION OF THE WARNING. THERE HAS BEEN SOME FLOODING NEAR
EASTON MARYLAND WITH A REPORT OF AROUND 2.6 INCHES. IT IS EASILY
POSSIBLE THAT 3 TO 4 INCHES MAY HAVE ALREADY OCCURRED NEAR GRIFFIN
AND DENTON IN CAROLINE COUNTY MARYLAND WITH SIMILAR AMOUNTS IN
SOUTHERN KENT COUNTY DELAWARE NEAR AND JUST NORTH OF ANDREWSVILLE
AND HARRINGTON.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DOVER...EASTON...MILFORD...DENTON...HARRINGTON...CAMDEN...GREENSBORO...
OAKLAND...RIDGELY...PRESTON...ELLENDALE...BOWERS...GOLDSBORO...QUEEN ANNE...
WOODSIDE...VIOLA...HARMONY...AGNER...WINDYHILL AND RISING SUN.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 1.5 INCHES COULD OCCUR IN
THE DELAWARE PORTION OF THE WARNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3920 7546 3910 7539 3906 7539 3903 7534
3898 7531 3893 7531 3884 7521 3867 7600
3870 7605 3871 7604 3884 7611 3883 7612
3895 7617
$$
DRAG914
WGUS71 KPHI 030604
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
204 AM EDT TUE MAY 3 2016
DEC001-005-MDC011-035-041-030845-
/O.CON.KPHI.FF.W.0005.000000T0000Z-160503T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT DE-SUSSEX DE-TALBOT MD-QUEEN ANNE'S MD-CAROLINE MD-
204 AM EDT TUE MAY 3 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 AM EDT TUESDAY
FOR SOUTHERN KENT...NORTHWESTERN SUSSEX...NORTHEASTERN TALBOT...SOUTH
CENTRAL QUEEN ANNE'S AND CAROLINE COUNTIES...
AT 200 AM EDT...LITTLE OR NO RAIN WAS FALLING OVER THE WARNED AREA
BUT DOPPLER RADAR INDICATED THAT RAIN SHOULD RESUME ACROSS THE
WARNED AREA AROUND 3 AM AND MAY BECOME HEAVY TOWARD 4 AM. SO WHILE
ANY FLOOD WATERS SHOULD NOW BE RECEDING, FLOODING MAY RESUME TOWARD
4 AM.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EASTON...MILFORD...DENTON...HARRINGTON...GREENSBORO...OAKLAND...RIDGELY...
ELLENDALE...BOWERS...QUEEN ANNE...VIOLA...STARR...HARMONY...ANDREWSVILLE...
AGNER...CORDOVA...JUMPTOWN...TANYARD...SKIPTON AND WYE MILLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3906 7561 3903 7553 3906 7539 3900 7532
3898 7531 3893 7531 3884 7521 3876 7557
3874 7596 3873 7600 3870 7604 3884 7611
3884 7612 3895 7617
$$
DRAG551
WGUS71 KPHI 030741
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
341 AM EDT TUE MAY 3 2016
DEC001-005-MDC011-035-041-030748-
/O.CAN.KPHI.FF.W.0005.000000T0000Z-160503T0845Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KENT DE-SUSSEX DE-TALBOT MD-QUEEN ANNE'S MD-CAROLINE MD-
341 AM EDT TUE MAY 3 2016
...THE FLASH FLOOD WARNING FOR SOUTHERN KENT...NORTHWESTERN SUSSEX...
NORTHEASTERN TALBOT...SOUTH CENTRAL QUEEN ANNE'S AND CAROLINE
COUNTIES IS CANCELLED...
FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.
RAIN WILL BE REDEVELOPING EARLY THIS MORNING BUT AT THIS TIME IS NOT
EXPECTED TO CAUSE ANY RENEWED FLOODING THAT MAY HAVE OCCURRED LAST
EVENING.
LAT...LON 3906 7561 3903 7553 3906 7539 3900 7532
3898 7531 3893 7531 3884 7521 3876 7557
3874 7596 3873 7600 3870 7604 3884 7611
3884 7612 3895 7617
$$
DRAGThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 68 min |
| May 2, 9:43 PM EDT | Special Weather Statement | PHI | Caroline, Queen Anne's | 77 min |
| May 2, 9:47 PM EDT | Areal Flood Advisory | PHI | Queen Anne's, Talbot | 4 hr |
| May 2, 10:15 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 60 min |
| May 2, 10:22 PM EDT | Areal Flood Advisory | PHI | Caroline, Talbot | 4 hr |
| May 2, 10:59 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 22 min |
| May 3, 12:11 AM EDT | Areal Flood Advisory | PHI | Sussex | 4 hr |
Nearby
Flash Flood Warnings in Maryland, 2016Flash Flood Warnings in Delaware, 2016Every flash flood warning in 2016
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.