Alert archive / Maryland / Flash Flood Warnings in 2016
Flash Flood Warning 14, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jul 1, 2016, 7:40 PM EDT for Caroline County, Talbot County, Maryland. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2016, 7:40 PM EDT (23:40 UTC)
- Expired
- Jul 1, 2016, 11:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Flood severity
- None
Counties Caroline County, MD, Talbot County, MD
The radar
The Dover AFB radar (KDOX), 61 km from the middle of the area, began a volume at 23:44 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
Washington/Dulle, VA (KIAD), launched 12:00Z, 11.7 hours before the alert went out and 111 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
- 20 J/kg
- Mixed-layer CIN
- -114 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
182
WGUS51 KPHI 012340
FFWPHI
MDC011-041-020345-
/O.NEW.KPHI.FF.W.0014.160701T2340Z-160702T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
740 PM EDT FRI JUL 1 2016
THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A
* FLASH FLOOD WARNING FOR...
TALBOT COUNTY IN EASTERN MARYLAND...
CAROLINE COUNTY IN EASTERN MARYLAND...
* UNTIL 1145 PM EDT
* AT 737 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE NORTHERN PORTION OF TALBOT COUNTY AND THE
FAR NORTHWESTERN PORTION OF CAROLINE COUNTY. THESE STORMS WERE
MOVING SLOWLY SOUTH. UP TO THREE INCHES OF RAIN IS POSSIBLE IN
SOME OF THESE STORMS IN A SHORT PERIOD OF TIME.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3886 7626 3884 7626 3878 7621 3886 7620
3893 7611 3892 7595 3896 7594 3900 7574
3865 7571 3870 7590 3857 7604 3868 7621
3876 7622 3872 7630 3876 7630 3867 7634
3868 7634 3876 7638
$$
JJM1 follow-up statement
734
WGUS71 KPHI 020101
FFSPHI
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
901 PM EDT FRI JUL 1 2016
MDC011-041-020345-
/O.CON.KPHI.FF.W.0014.000000T0000Z-160702T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TALBOT MD-CAROLINE MD-
901 PM EDT FRI JUL 1 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
TALBOT AND CAROLINE COUNTIES...
AT 900 PM EDT...DOPPLER RADAR INDICATED ADDITIONAL THUNDERSTORMS
PRODUCING HEAVY RAIN MOVING INTO PARTS OF NORTHEASTERN MARYLAND. THE
HEAVY RAIN MAY RESULT IN FLASH FLOODING.
SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
EASTON...TALBOT...DENTON...FEDERALSBURG...GREENSBORO...RIDGELY...
TRAPPE AND ST. MICHAELS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3886 7626 3884 7626 3878 7621 3886 7620
3893 7611 3892 7595 3896 7594 3900 7574
3865 7571 3870 7590 3857 7604 3868 7621
3876 7622 3872 7630 3876 7630 3867 7634
3868 7634 3876 7638
$$
IOVINOThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 4:25 PM EDT | Special Weather Statement | PHI | Cecil | 50 min |
| Jul 1, 4:30 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 45 min |
| Jul 1, 5:47 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's | 43 min |
| Jul 1, 6:29 PM EDT | Flash Flood Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 4 hr |
| Jul 1, 6:35 PM EDT | Special Weather Statement | PHI | Queen Anne's | 55 min |
Nearby
Flash Flood Warnings in Maryland, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.