Alert archive / Maryland / Flash Flood Warnings in 2006
Flash Flood Warning 5, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this flash flood warning at Jun 2, 2006, 9:55 PM EDT for Cecil County, Maryland. It was in force for 3 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
- Jun 2, 2006, 9:55 PM EDT (01:55 UTC)
- Expired
- Jun 3, 2006, 1:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Counties, with a storm outline in the text
County Cecil County, MD
The radar
The Dover AFB radar (KDOX), 93 km from the middle of the area, began a volume at 01:57 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 2, 10:35 PM EDT | FLASH FLOOD | Aberdeen, MD | WATER RESCUE IN PROGRESS. |
| Jun 2, 10:35 PM EDT | FLASH FLOOD | Havre De Grace, MD | WATER RESCUE IN PROGRESS. |
| Jun 2, 10:50 PM EDT | FLASH FLOOD | Elkton, MD | FLOODING ON BLUE BALL ROAD AND OLD ELM ROAD. |
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 00:00Z, 1.9 hours before the alert went out and 135 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
- 1897 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 789 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 7.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KPHI 030157 FFWPHI MDC015-030500- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 955 PM EDT FRI JUN 2 2006 THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ HAS ISSUED A * FLASH FLOOD WARNING FOR... CECIL COUNTY IN NORTHEAST MARYLAND * UNTIL 100 AM EDT * AT 952 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED CONVERGING THUNDERSTORMS OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RISING SUN...NORTH EAST...ELKTON AND CHARLESTOWN. THE HEAVIEST PRECIPITATION HAS FALLEN IN THE STONY RUN BASIN NEAR CHESAPEAKE BAY WHERE AROUND TWO INCHES OF RAIN HAS FALLEN IN THE PAST HOUR. 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 OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES... DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. LAT...LON 3940 7617 3942 7578 3972 7579 3971 7620 $$ TFG
1 follow-up statement
000 WGUS71 KPHI 030352 FFSPHI FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOUNT HOLLY NJ 1144 PM EDT FRI JUN 2 2006 MDC015-030500- CECIL MD- 1144 PM EDT FRI JUN 2 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 100 AM EDT FOR CECIL COUNTY... AT 1141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THAT MORE THUNDERSTORMS WITH HEAVY RAIN WERE ABOUT TO ENTER CECIL COUNTY. DOPPLER RADAR INDICATED THAT STORM TOTAL ESTIMATES OF AROUND AN INCH AN HOUR WERE OCCURRING IN HARFORD COUNTY. SEVERAL ROADS ARE CLOSED DUE TO FLOODING IN THE COUNTY AND IF THE HEAVY RAIN MAINTAINS ITSELF IT MIGHT BE NECESSARY TO EXTEND THE WARNING. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RISING SUN... NORTH EAST...ELKTON AND CHARLESTOWN. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES... DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 3940 7617 3942 7578 3972 7579 3971 7620 $$ TFG
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's | 28 min |
| Jun 2, 9:05 PM EDT | Severe Thunderstorm Warning | PHI | Kent | 25 min |
| Jun 2, 9:17 PM EDT | Severe Thunderstorm Warning | PHI | Cecil | 43 min |
| Jun 3, 12:44 AM EDT | Flash Flood Warning | PHI | Cecil | 3 hr |
Nearby
Flash Flood Warnings in Maryland, 2006Every flash flood warning in 2006
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.