Alert archive / Maryland / Flash Flood Warnings in 2012
Flash Flood Warning 7, NWS Wakefield, VA
NWS Wakefield, VA issued this flash flood warning at Aug 25, 2012, 4:54 PM EDT for Somerset County, Worcester County, Maryland; Accomack County, Virginia. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2012, 4:54 PM EDT (20:54 UTC)
- Expired
- Aug 25, 2012, 5:44 PM EDT
- In force
- 50 min
- Issued by
- NWS Wakefield, VA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Somerset County, MD, Worcester County, MD, Accomack County, VA
The radar
The Dover AFB radar (KDOX), 103 km from the middle of the area, began a volume at 20:57 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 nearest sounding before it
Wallops Is Stn, VA (KWAL), launched 12:00Z, 8.9 hours before the alert went out and 6 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
- 86 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 860 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
867
WGUS51 KAKQ 252054
FFWAKQ
MDC039-047-VAC001-252245-
/O.NEW.KAKQ.FF.W.0007.120825T2054Z-120825T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WAKEFIELD VA
454 PM EDT SAT AUG 25 2012
THE NATIONAL WEATHER SERVICE IN WAKEFIELD HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EXTREME SOUTHWESTERN WORCESTER COUNTY...
SOUTHEASTERN SOMERSET COUNTY...
NORTHEASTERN ACCOMACK COUNTY...
* UNTIL 645 PM EDT...
* AT 448 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 14
MILES WEST OF CHINCOTEAGUE TO 19 MILES SOUTH OF CHINCOTEAGUE...OR
ALONG A LINE EXTENDING FROM 8 MILES SOUTH OF POCOMOKE CITY TO 19
MILES SOUTH OF CHINCOTEAGUE...MOVING NORTH AT 20 MPH.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CHINCOTEAGUE...OAK HALL...AND MAPPSVILLE.
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!
&&
LAT...LON 3788 7538 3787 7540 3788 7541 3784 7547
3773 7555 3783 7570 3803 7566 3797 7542
3795 7541 3796 7540 3794 7532
$$
WRS1 follow-up statement
507
WGUS71 KAKQ 252144
FFSAKQ
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE WAKEFIELD VA
544 PM EDT SAT AUG 25 2012
MDC039-047-VAC001-252152-
/O.CAN.KAKQ.FF.W.0007.000000T0000Z-120825T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WORCESTER MD-SOMERSET MD-ACCOMACK VA-
544 PM EDT SAT AUG 25 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN
ACCOMACK...SOUTHEASTERN SOMERSET AND EXTREME SOUTHWESTERN WORCESTER
COUNTIES...
THE HEAVY RAINFALL WHICH PRODUCED FLASH FLOODING OVER CENTRAL AND
WESTERN PARTS OF ACCOMACK COUNTY HAS ENDED. ALTHOUGH SHOWERS AND
THUNDERSTORMS WILL PERSIST FOR ANOTHER 1 TO 2 HOURS ACROSS THE
NORTHEAST PART OF ACCOMACK COUNTY...THEN RAINFALL IS NOT EXPECTED TO
BE HEAVY ENOUGH TO CAUSE FLASH FLOODING. HOWEVER...MOTORISTS ARE
STILL URGED TO USE EXTRA CAUTION WHILE TRAVELING IN AREAS AFFECTED
BY SHOWERS AND THUNDERSTORMS THIS EVENING.
LAT...LON 3788 7538 3787 7540 3788 7541 3784 7547
3773 7555 3783 7570 3803 7566 3797 7542
3795 7541 3796 7540 3794 7532
TIME...MOT...LOC 2142Z 180DEG 17KT 3821 7536 3793 7536
$$
WRSThe office that day
Everything else NWS Wakefield, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 3:03 PM EDT | Flash Flood Warning | AKQ | Somerset, Worcester | 117 min |
| Aug 25, 4:34 PM EDT | Areal Flood Advisory | AKQ | Somerset, Wicomico, Worcester | 116 min |
| Aug 25, 5:49 PM EDT | Special Weather Statement | AKQ | Worcester | 56 min |
| Aug 25, 6:34 PM EDT | Special Weather Statement | AKQ | Worcester | 56 min |
| Aug 25, 7:23 PM EDT | Areal Flood Advisory | AKQ | Wicomico, Worcester | 3 hr |
| Aug 25, 2:01 AM EDT | Special Marine Warning | AKQ | 59 min | |
| Aug 25, 2:54 AM EDT | Special Marine Warning | AKQ | 81 min | |
| Aug 25, 3:38 AM EDT | Special Weather Statement | AKQ | Greensville, City of Emporia | 37 min |
| Aug 25, 5:16 AM EDT | Special Weather Statement | AKQ | Brunswick, Dinwiddie, Greensville, Prince George, Surry, Sussex and 7 more | 119 min |
| Aug 25, 5:30 AM EDT | Severe Thunderstorm Warning | AKQ | Isle of Wight, City of Hampton, City of Newport News, City of Portsmouth, City of Suffolk | 45 min |
| Aug 25, 5:39 AM EDT | Special Marine Warning | AKQ | 81 min | |
| Aug 25, 6:16 AM EDT | Special Weather Statement | AKQ | City of Newport News | 59 min |
| Aug 25, 6:48 AM EDT | Flash Flood Warning | AKQ | York, City of Hampton, City of Newport News, City of Poquoson | 117 min |
| Aug 25, 6:58 AM EDT | Areal Flood Advisory | AKQ | Brunswick, Greensville, City of Emporia | 2 hr |
| Aug 25, 8:25 AM EDT | Special Weather Statement | AKQ | Brunswick, Greensville, Southampton, Sussex, City of Emporia | 65 min |
| Aug 25, 9:14 AM EDT | Special Marine Warning | AKQ | 46 min | |
| Aug 25, 9:16 AM EDT | Areal Flood Advisory | AKQ | Dinwiddie, Greensville, Prince George, Southampton, Surry, Sussex and 1 more | 104 min |
| Aug 25, 9:16 AM EDT | Special Marine Warning | AKQ | 44 min | |
| Aug 25, 9:54 AM EDT | Special Marine Warning | AKQ | 51 min | |
| Aug 25, 9:55 AM EDT | Special Marine Warning | AKQ | 35 min | |
| Aug 25, 10:04 AM EDT | Special Weather Statement | AKQ | Northampton | 56 min |
| Aug 25, 10:13 AM EDT | Tornado Warning | AKQ | City of Norfolk, City of Portsmouth | 32 min |
| Aug 25, 10:15 AM EDT | Special Marine Warning | AKQ | 37 min | |
| Aug 25, 10:34 AM EDT | Special Marine Warning | AKQ | 41 min | |
| Aug 25, 10:56 AM EDT | Special Weather Statement | AKQ | Charles City, Hanover, Henrico, James City, New Kent, Prince George and 3 more | 64 min |
| Aug 25, 10:59 AM EDT | Special Weather Statement | AKQ | Gloucester, Mathews, York, City of Hampton, City of Poquoson | 61 min |
| Aug 25, 11:14 AM EDT | Special Weather Statement | AKQ | Accomack | 61 min |
| Aug 25, 11:51 AM EDT | Special Weather Statement | AKQ | Charles City, Isle of Wight, James City, King William, New Kent, Surry and 3 more | 54 min |
| Aug 25, 11:56 AM EDT | Areal Flood Advisory | AKQ | Accomack, Northampton | 3 hr |
| Aug 25, 11:58 AM EDT | Areal Flood Advisory | AKQ | Charles City, Isle of Wight, James City, Prince George, Surry, Sussex | 92 min |
| Aug 25, 12:39 PM EDT | Areal Flood Advisory | AKQ | Isle of Wight, Southampton | 81 min |
| Aug 25, 12:56 PM EDT | Tornado Warning | AKQ | Accomack | 34 min |
| Aug 25, 12:58 PM EDT | Special Marine Warning | AKQ | 62 min | |
| Aug 25, 1:11 PM EDT | Areal Flood Advisory | AKQ | Gloucester, Isle of Wight, James City, Mathews, Surry, York and 3 more | 109 min |
| Aug 25, 1:17 PM EDT | Flash Flood Warning | AKQ | Accomack | 88 min |
| Aug 25, 2:37 PM EDT | Areal Flood Advisory | AKQ | Isle of Wight, York, City of Hampton, City of Newport News, City of Poquoson, City of Portsmouth and 1 more | 3 hr |
| Aug 25, 2:37 PM EDT | Tornado Warning | AKQ | Accomack | 38 min |
| Aug 25, 2:42 PM EDT | Special Marine Warning | AKQ | 93 min | |
| Aug 25, 3:13 PM EDT | River Flood Warning | AKQ | Brunswick | 6 hr |
| Aug 25, 3:40 PM EDT | Special Marine Warning | AKQ | 95 min | |
| Aug 25, 5:13 PM EDT | Special Marine Warning | AKQ | 77 min | |
| Aug 25, 5:22 PM EDT | Special Weather Statement | AKQ | Dinwiddie | 53 min |
| Aug 25, 6:26 PM EDT | Special Weather Statement | AKQ | Dinwiddie, Southampton, Sussex | 64 min |
| Aug 25, 6:44 PM EDT | Special Weather Statement | AKQ | Cumberland | 46 min |
| Aug 25, 7:28 PM EDT | Special Weather Statement | AKQ | Amelia, City of Petersburg | 62 min |
| Aug 25, 7:41 PM EDT | Areal Flood Advisory | AKQ | Amelia, Cumberland, Powhatan, Prince Edward | 3 hr |
Nearby
Flash Flood Warnings in Maryland, 2012Flash Flood Warnings in Virginia, 2012Every flash flood warning in 2012
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.