Alert archive / Virginia / Flash Flood Warnings in 2013

Flash Flood Warning 25, NWS Baltimore/Washington

June 10, 2013Fairfax County, Prince William County, Virginia

NWS Baltimore/Washington issued this flash flood warning at Jun 10, 2013, 2:30 PM EDT for Fairfax County, Prince William County, Virginia. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 10, 2013, 2:30 PM EDT (18:30 UTC)
Expired: Jun 10, 2013, 5:30 PM EDT
In force: 3 hr
Issued by: NWS Baltimore/Washington
Area: Storm-based polygon
Flood severity: None

Counties Fairfax County, VA, Prince William County, VA

The radar

The Sterling radar (KLWX), 25 km from the middle of the area, began a volume at 18:31 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, 6.5 hours before the alert went out and 20 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 9 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 742 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 171 m²/s²
0-3 km storm-relative helicity: 200 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Baltimore/Washington wrote its last area forecast discussion before this flash flood warning went out at Jun 10, 2:26 PM EDT, 4 minutes earlier.

Area forecast discussion, Jun 10, 2:26 PM EDT, 4 minutes before

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Hazardous weather outlook, Jun 10, 2:20 PM EDT, 10 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
220 PM EDT MON JUN 10 2013

ANZ530>543-DCZ001-MDZ006-007-011-013-014-016>018-VAZ052>057-
111000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND MD-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT MD-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH MD-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT MD-
CHESAPEAKE BAY FROM DRUM POINT MD TO SMITH POINT VA-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD MD-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND MD-
TIDAL POTOMAC FROM COBB ISLAND MD TO SMITH POINT VA-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
CHESTER RIVER TO QUEENSTOWN MD-EASTERN BAY-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
PATUXENT RIVER TO BROOMES ISLAND MD-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH
ISLAND-DISTRICT OF COLUMBIA-NORTHERN BALTIMORE-HARFORD-
SOUTHERN BALTIMORE-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-
CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-
220 PM EDT MON JUN 10 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE MARYLAND PORTION OF THE
CHESAPEAKE BAY...TIDAL POTOMAC RIVER...AND ADJACENT COUNTIES IN
CENTRAL MARYLAND AND NORTHERN VIRGINIA AS WELL AS THE DISTRICT OF
COLUMBIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A TORNADO WATCH IS IN EFFECT FOR THE OUTLOOK AREA THROUGH 10 PM.
ISOLATED TORNADOES AND LOCALLY DAMAGING WINDS ARE POSSIBLE WITH
THUNDERSTORMS THIS AFTERNOON AND EVENING.

A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR THE OUTLOOK AREA UNTIL
MIDNIGHT. PERIODS OF HEAVY RAINFALL WILL LEAD TO FLASH FLOODING
IN SOME AREAS. PLEASE REFER TO WBCFFALWX FOR FURTHER DETAILS.

A SMALL CRAFT ADVISORY IS IN EFFECT FOR THE MARYLAND CHESAPEAKE
BAY AND LOWER TIDAL POTOMAC RIVER THIS AFTERNOON AND INTO TONIGHT.

FLOODING OF SMALL STREAMS AND CREEKS COULD LINGER INTO THE
OVERNIGHT HOURS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ANOTHER ROUND OF HEAVY RAINFALL MAY PRODUCE FLASH FLOODING
WEDNESDAY NIGHT INTO THURSDAY.

.SPOTTER INFORMATION STATEMENT...

THE SKYWARN SPOTTER NETWORK HAS BEEN ACTIVATED.

MDZ003>005-009-010-501-502-VAZ025>031-036>040-042-050-051-501>504-
WVZ050>053-055-501>506-111000-
WASHINGTON-FREDERICK MD-CARROLL-MONTGOMERY-HOWARD-
EXTREME WESTERN ALLEGANY-CENTRAL AND EASTERN ALLEGANY-AUGUSTA-
ROCKINGHAM-SHENANDOAH-FREDERICK VA-PAGE-WARREN-CLARKE-NELSON-
ALBEMARLE-GREENE-MADISON-RAPPAHANNOCK-LOUDOUN-ORANGE-CULPEPER-
NORTHERN FAUQUIER-SOUTHERN FAUQUIER-WESTERN HIGHLAND-
EASTERN HIGHLAND-HAMPSHIRE-MORGAN-BERKELEY-JEFFERSON-HARDY-
WESTERN GRANT-EASTERN GRANT-WESTERN MINERAL-EASTERN MINERAL-
WESTERN PENDLETON-EASTERN PENDLETON-
220 PM EDT MON JUN 10 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN WEST VIRGINIA...
NORTHERN AND CENTRAL VIRGINIA...AND CENTRAL AND WESTERN MARYLAND
WITH THE EXCEPTION OF GARRETT COUNTY.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A TORNADO WATCH IS IN EFFECT THROUGH 10 PM FOR THE OUTLOOK AREA...
EXCLUDING THE POTOMAC HIGHLANDS. ISOLATED TORNADOES AND LOCALLY
DAMAGING WINDS ARE POSSIBLE WITH THUNDERSTORMS THIS AFTERNOON AND
EVENING.

A FLASH FLOOD WATCH IS IN EFFECT THROUGH UNTIL 9 PM FOR THE
SOUTHERN POTOMAC HIGHLANDS...CENTRAL SHENANDOAH VALLEY AND CENTRAL
VIRGINIA FOOTHILLS. A FLASH FLOOD WATCH IS IN EFFECT THROUGH
MIDNIGHT FOR NORTH-CENTRAL AND SOUTHERN MARYLAND AND NORTHERN
VIRGINIA UNTIL MIDNIGHT. PERIODS OF HEAVY RAINFALL WILL LEAD TO
FLASH FLOODING IN SOME AREAS. PLEASE REFER TO WBCFFALWX FOR
FURTHER DETAILS.

FLOODING OF SMALL STREAMS AND CREEKS COULD LINGER INTO THE
OVERNIGHT HOURS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ANOTHER ROUND OF HEAVY RAINFALL MAY PRODUCE FLASH FLOODING
WEDNESDAY NIGHT INTO THURSDAY.

.SPOTTER INFORMATION STATEMENT...

THE SKYWARN SPOTTER NETWORK HAS BEEN ACTIVATED.

In the hours before

Local storm report, Jun 10, 9:49 AM EDT, 4 hours 41 minutes before

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Local storm report, Jun 10, 9:50 AM EDT, 4 hours 40 minutes before

PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
950 AM EDT MON JUN 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     FLOOD            2 NNE LOCUST GROVE      38.33N  77.80W
06/10/2013                   ORANGE             VA   911 CALL CENTER

            GOVERNOR ALMOND RD IS CLOSED BETWEEN ZOAR RD AND INDIAN
            TOWN RD DUE TO FLOODING

&&

CORRECTED REMARKS

EVENT NUMBER LWX1300240

KLW

Local storm report, Jun 10, 9:52 AM EDT, 4 hours 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
952 AM EDT MON JUN 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     FLOOD            UNIONVILLE              38.26N  77.97W
06/10/2013                   ORANGE             VA   911 CALL CENTER

            ALL OF VILLAGE RD IS CLOSED DUE TO FLOODING

&&

EVENT NUMBER LWX1300241

KLW

Local storm report, Jun 10, 9:58 AM EDT, 4 hours 32 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
958 AM EDT MON JUN 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     FLOOD            3 SSE MITCHELLS         38.34N  78.00W
06/10/2013                   ORANGE             VA   911 CALL CENTER

            RIVER RD WEST OF US 522 IS CLOSED DUE TO FLOODING

&&

EVENT NUMBER LWX1300242

KLW

Local storm report, Jun 10, 10:01 AM EDT, 4 hours 29 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1001 AM EDT MON JUN 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     FLOOD            2 WNW ORANGE            38.26N  78.14W
06/10/2013                   ORANGE             VA   911 CALL CENTER

            INTERSECTION NEAR SPICERS MILL RD AND JONES MILL RD IS
            CLOSED DUE TO FLOODING

&&

EVENT NUMBER LWX1300243

KLW

Local storm report, Jun 10, 2:06 PM EDT, 24 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
206 PM EDT MON JUN 10 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0145 PM     FLOOD            3 E MINT SPRING         38.08N  79.05W
06/10/2013                   AUGUSTA            VA   DEPT OF HIGHWAYS

            CHRISTIANS CREEK ROAD REPORTED FLOODED AND CLOSED AT
            CHRISTIANS CREEK.

&&

EVENT NUMBER LWX1300244

JE

The office that day

Everything else NWS Baltimore/Washington issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 9:09 PM EDT	Flash Flood Watch	LWX	Arlington, Culpeper, Fairfax, Fauquier, Greene, Highland and 19 more	26 hr
Jun 9, 11:49 PM EDT	Flash Flood Warning	LWX	Culpeper, Madison, Orange	3 hr
Jun 9, 11:59 PM EDT	Areal Flood Warning	LWX	Albemarle, Greene, City of Charlottesville	6 hr
Jun 10, 12:19 AM EDT	Flash Flood Warning	LWX	Culpeper, Fauquier	3 hr
Jun 10, 12:23 AM EDT	Flash Flood Warning	LWX	Culpeper, Madison, Orange	3 hr
Jun 10, 2:32 AM EDT	Areal Flood Warning	LWX	Culpeper, Fauquier, Madison, Orange	31 hr
Jun 10, 4:52 AM EDT	River Flood Warning	LWX	Culpeper, Orange	17 hr
Jun 10, 5:58 AM EDT	Areal Flood Warning	LWX	Fauquier	3 hr
Jun 10, 6:42 AM EDT	River Flood Warning	LWX	Culpeper, Fauquier	11 hr
Jun 10, 10:57 AM EDT	Areal Flood Warning	LWX	Augusta	4 hr
Jun 10, 1:25 PM EDT	Special Marine Warning	LWX		65 min
Jun 10, 2:10 PM EDT	Special Marine Warning	LWX		50 min
Jun 10, 2:23 PM EDT	Special Marine Warning	LWX		67 min
Jun 10, 2:58 PM EDT	Flash Flood Warning	LWX	Arlington, Fairfax, City of Alexandria	3 hr
Jun 10, 3:31 PM EDT	Special Marine Warning	LWX		44 min
Jun 10, 4:55 PM EDT	Tornado Warning	LWX	Frederick, City of Winchester	35 min
Jun 10, 5:22 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Frederick, Loudoun	23 min
Jun 10, 5:42 PM EDT	Severe Thunderstorm Warning	LWX	Clarke, Loudoun	48 min
Jun 10, 6:33 PM EDT	Severe Thunderstorm Warning	LWX	Culpeper, Orange, Spotsylvania, Stafford, City of Fredericksburg	42 min
Jun 10, 6:38 PM EDT	Areal Flood Warning	LWX	Loudoun	13 hr
Jun 10, 7:13 PM EDT	Special Marine Warning	LWX		92 min
Jun 10, 7:32 PM EDT	Flash Flood Warning	LWX	Fairfax, Prince William, City of Fairfax, City of Manassas, City of Manassas Park	3 hr
Jun 10, 7:47 PM EDT	Special Marine Warning	LWX		88 min
Jun 10, 7:53 PM EDT	Flash Flood Warning	LWX	Arlington, Fairfax, Prince William, City of Alexandria, City of Falls Church	3 hr
Jun 10, 2:41 AM EDT	Flash Flood Warning	LWX	Carroll, Frederick, Howard, Montgomery	3 hr
Jun 10, 4:41 AM EDT	River Flood Warning	LWX	Montgomery	29 hr
Jun 10, 2:51 PM EDT	Flash Flood Warning	LWX	Baltimore, City of Baltimore	3 hr
Jun 10, 3:24 PM EDT	Tornado Warning	LWX	Baltimore, Harford	36 min
Jun 10, 4:06 PM EDT	Flash Flood Warning	LWX	Harford	3 hr
Jun 10, 4:39 PM EDT	Areal Flood Warning	LWX	Baltimore, City of Baltimore	6 hr
Jun 10, 6:56 PM EDT	Tornado Warning	LWX	Baltimore, Carroll, Howard, Montgomery	34 min
Jun 10, 7:13 PM EDT	Flash Flood Warning	LWX	Carroll, Frederick, Howard, Montgomery	3 hr
Jun 10, 7:24 PM EDT	Tornado Warning	LWX	Baltimore, Carroll	36 min

Nearby

Flash Flood Warnings in Virginia, 2013 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.