Alert archive / Virginia / Areal Flood Warnings in 2012

Areal Flood Warning 3, NWS Blacksburg, VA

March 25, 2012Campbell County, Virginia

NWS Blacksburg, VA issued this areal flood warning at Mar 25, 2012, 1:21 AM EDT for Campbell County, Virginia. It was in force for 9 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: Mar 25, 2012, 1:21 AM EDT (05:21 UTC)
Expired: Mar 25, 2012, 10:15 AM EDT
In force: 9 hr
Issued by: NWS Blacksburg, VA
Area: Storm-based polygon
Flood severity: None

County Campbell County, VA

The radar

The Roanoke radar (KFCX), 106 km from the middle of the area, began a volume at 05:23 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

Roanoke, VA (KRNK), launched 00:00Z, 5.4 hours before the alert went out and 36 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: 47 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 741 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 71 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this areal flood warning went out at Mar 24, 11:06 PM EDT, 2 hours 15 minutes earlier.

Area forecast discussion, Mar 24, 11:06 PM EDT, 2 hours 15 minutes before

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Hazardous weather outlook, Mar 24, 11:40 PM EDT, 1 hour 41 minutes before

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In the hours before

Local storm report, Mar 24, 10:34 PM EDT, 2 hours 47 minutes before

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Local storm report, Mar 24, 10:50 PM EDT, 2 hours 31 minutes before

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Local storm report, Mar 24, 11:01 PM EDT, 2 hours 20 minutes before

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Local storm report, Mar 24, 11:16 PM EDT, 2 hours 5 minutes before

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Local storm report, Mar 24, 11:42 PM EDT, 1 hour 39 minutes before

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Local storm report, Mar 25, 12:59 AM EDT, 22 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE BLACKSBURG VA
1259 AM EDT SUN MAR 25 2012

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

0215 PM     HAIL             RURAL RETREAT           36.90N 81.27W
03/24/2012  E1.50 INCH       WYTHE              VA   LAW ENFORCEMENT

0215 PM     HAIL             HILDRETHS HOUSE         36.91N 81.28W
03/24/2012  E1.00 INCH       WYTHE              VA   PUBLIC

0230 PM     HAIL             BLUEFIELD               37.27N 81.22W
03/24/2012  M0.50 INCH       MERCER             WV   PUBLIC

0240 PM     HAIL             MATOAKA                 37.42N 81.24W
03/24/2012  E1.00 INCH       MERCER             WV   PUBLIC

0250 PM     HAIL             1 SSW CANA              36.57N 80.68W
03/24/2012  E1.00 INCH       CARROLL            VA   PUBLIC

0307 PM     HAIL             CANA                    36.58N 80.67W
03/24/2012  E1.25 INCH       CARROLL            VA   AMATEUR RADIO

0314 PM     HAIL             GROUNDHOG MOUNTAIN      36.65N 80.53W
03/24/2012  E2.75 INCH       PATRICK            VA   AMATEUR RADIO

            REPORTED ALONG BLUE RIDGE PARKWAY ON CARROLL/PATRICK
            COUNTY LINE. WINDOWS BROKEN IN HOME.

0315 PM     HAIL             2 NNW WURNO             37.10N 80.73W
03/24/2012  E1.00 INCH       PULASKI            VA   PUBLIC

0320 PM     HAIL             STAFFORDSVILLE          37.25N 80.71W
03/24/2012  E0.75 INCH       GILES              VA   PUBLIC

0324 PM     HAIL             3 ENE GLADE VALLEY      36.50N 81.00W
03/24/2012  M1.25 INCH       ALLEGHANY          NC   PUBLIC

0330 PM     HAIL             1 N PROSPECTDALE        37.29N 80.74W
03/24/2012  E1.00 INCH       GILES              VA   PUBLIC

0335 PM     HAIL             MEADOWS OF DAN          36.73N 80.42W
03/24/2012  M1.00 INCH       PATRICK            VA   TRAINED SPOTTER

0337 PM     HAIL             3 E PEARISBURG          37.32N 80.68W
03/24/2012  E1.00 INCH       GILES              VA   PUBLIC

            REPORTED AT RIPPLEMEAD

0356 PM     HAIL             WOOLWINE                36.78N 80.28W
03/24/2012  E1.00 INCH       PATRICK            VA   TRAINED SPOTTER

            HAIL COVERING GROUND...LARGEST 1 INCH DIAMETER

0356 PM     HAIL             WOOLWINE                36.78N 80.28W
03/24/2012  E1.00 INCH       PATRICK            VA   TRAINED SPOTTER

            HAIL COVERED GROUND..LARGEST 1 INCH DIAMETER

0408 PM     HAIL             1 NW MOUNT HERMAN       36.55N 80.48W
03/24/2012  E1.75 INCH       SURRY              NC   911 CALL CENTER

            CAR HAD WINDSHIELD BUSTED OUT BY HAIL WHILE DRIVING ON
            EAST PINE STREET.

0414 PM     FLASH FLOOD      2 NNE PIKE CITY         36.75N 80.47W
03/24/2012                   FLOYD              VA   911 CALL CENTER

            CULVERT WASHED OUT ALONG MCALEXANDER ROAD.

0420 PM     HAIL             1 N SWANCREEK           36.20N 80.86W
03/24/2012  E1.00 INCH       YADKIN             NC   PUBLIC

0420 PM     HAIL             2 S CROOKED OAK         36.69N 80.61W
03/24/2012  E1.00 INCH       CARROLL            VA   PUBLIC

0425 PM     FLASH FLOOD      2 WSW CANA              36.58N 80.70W
03/24/2012                   CARROLL            VA   AMATEUR RADIO

            PAULS CREEK FLOODING A BRIDGE ALONG APPLE RIDGE ROAD.

0455 PM     HAIL             ROCKY MOUNT             37.00N 79.88W
03/24/2012  E1.00 INCH       FRANKLIN           VA   TRAINED SPOTTER

0500 PM     HAIL             MONETA                  37.18N 79.63W
03/24/2012  E1.00 INCH       BEDFORD            VA   TRAINED SPOTTER

0525 PM     HAIL             SCRUGGS                 37.08N 79.66W
03/24/2012  E1.50 INCH       FRANKLIN           VA   PUBLIC

0530 PM     HAIL             1 SW FAIRY STONE STATE  36.79N 80.09W
03/24/2012  E1.75 INCH       PATRICK            VA   TRAINED SPOTTER

            HAIL AT LEAST GOLF-BALL SIZE OBSERVED ON HIGHWAY 57

0530 PM     FLASH FLOOD      1 E RED BRUSH           36.47N 80.67W
03/24/2012                   SURRY              NC   LAW ENFORCEMENT

            BEECH CREEK FLOODED A PORTION OF GEORGE CHANDLER ROAD.

0533 PM     HAIL             HUDDLESTON              37.17N 79.48W
03/24/2012  E1.00 INCH       BEDFORD            VA   PUBLIC

0545 PM     HAIL             BASSETT                 36.77N 79.98W
03/24/2012  E1.75 INCH       HENRY              VA   PUBLIC

0550 PM     HAIL             1 W JONES CREEK         36.71N 79.89W
03/24/2012  M2.50 INCH       HENRY              VA   PUBLIC

0555 PM     HAIL             1 ESE KOEHLER           36.68N 79.89W
03/24/2012  E1.75 INCH       CITY OF MARTINSVIL VA   AMATEUR RADIO

0557 PM     HAIL             5 E ROCKY MOUNT         37.00N 79.79W
03/24/2012  E1.50 INCH       FRANKLIN           VA   PUBLIC

0558 PM     HAIL             HEUSLEY                 36.70N 79.90W
03/24/2012  E1.75 INCH       HENRY              VA   PUBLIC

0600 PM     HAIL             HENRY                   36.83N 79.99W
03/24/2012  E1.00 INCH       FRANKLIN           VA   TRAINED SPOTTER

0600 PM     FLASH FLOOD      1 NNE FERRUM            36.93N 80.01W
03/24/2012                   FRANKLIN           VA   LAW ENFORCEMENT

            PART OF UNION ROAD WASHED OUT BY STORY CREEK.

0607 PM     HAIL             HILLTOP                 36.69N 79.84W
03/24/2012  M2.00 INCH       CITY OF MARTINSVIL VA   PUBLIC

0615 PM     HAIL             3 SSE ELAMSVILLE        36.72N 80.18W
03/24/2012  E1.50 INCH       PATRICK            VA   TRAINED SPOTTER

0615 PM     HAIL             ROCKY MOUNT             37.00N 79.88W
03/24/2012  E1.00 INCH       FRANKLIN           VA   TRAINED SPOTTER

0615 PM     HAIL             2 NE EVINGTON           37.25N 79.26W
03/24/2012  E1.00 INCH       CAMPBELL           VA   PUBLIC

0616 PM     FLASH FLOOD      2 N MOUNT HERMAN        36.56N 80.47W
03/24/2012                   PATRICK            VA   911 CALL CENTER

            ARCHIES CREEK FLOODED AND CLOSED ARCHIES CREEK ROAD.

0620 PM     FLASH FLOOD      2 SSW CARTERS MILL      36.58N 80.49W
03/24/2012                   PATRICK            VA   911 CALL CENTER

            WATER FLOWING ACROSS UNITY CHURCH ROAD... RESULTING IN
            ITS CLOSURE.

0622 PM     HAIL             2 SE LAUREL FORK        36.70N 80.49W
03/24/2012  E1.00 INCH       CARROLL            VA   911 CALL CENTER

0630 PM     FLASH FLOOD      3 W GROUNDHOG MOUNTAIN  36.65N 80.58W
03/24/2012                   PATRICK            VA   AMATEUR RADIO

            THREE MUDSLIDES CLOSED WILLIS GAP MOUNTAIN ROAD.

0700 PM     FLASH FLOOD      KELLY                   37.39N 79.06W
03/24/2012                   CAMPBELL           VA   FIRE DEPT/RESCUE

            MUDSLIDE TEMPORARILY CLOSED ROUTE 460 FROM 7 PM UNTIL 830
            PM.

0705 PM     HAIL             CHERRY GROVE            36.31N 79.46W
03/24/2012  E1.00 INCH       CASWELL            NC   911 CALL CENTER

0715 PM     HAIL             1 NNE LONG MOUNTAIN EST 37.31N 79.05W
03/24/2012  E0.70 INCH       CAMPBELL           VA   TRAINED SPOTTER

0715 PM     TSTM WND DMG     1 SE HOPEWELL           36.73N 79.45W
03/24/2012                   PITTSYLVANIA       VA   PUBLIC

            TREES POWER LINES DOWN

0718 PM     HAIL             3 WSW SPRING GARDEN     36.77N 79.35W
03/24/2012  E1.75 INCH       PITTSYLVANIA       VA   911 CALL CENTER

0731 PM     HAIL             1 WSW JAVA              36.83N 79.24W
03/24/2012  E0.50 INCH       PITTSYLVANIA       VA   TRAINED SPOTTER

0831 PM     HAIL             1 NW APPOMATTOX         37.36N 78.84W
03/24/2012  E1.00 INCH       APPOMATTOX         VA   PUBLIC

0845 PM     TSTM WND DMG     1 ESE MADISONVILLE      37.18N 78.66W
03/24/2012                   CHARLOTTE          VA   911 CALL CENTER

            ROOF DAMAGE

0855 PM     HAIL             2 NNE BUCKINGHAM        37.57N 78.53W
03/24/2012  E0.70 INCH       BUCKINGHAM         VA   TRAINED SPOTTER

0900 PM     HAIL             2 E GLENMORE            37.67N 78.55W
03/24/2012  E1.00 INCH       BUCKINGHAM         VA   911 CALL CENTER

0923 PM     HAIL             SMITH STORE             37.69N 78.52W
03/24/2012  E1.00 INCH       BUCKINGHAM         VA   PUBLIC

0930 PM     FLOOD            1 NNW OAKVILLE          37.44N 78.87W
03/24/2012                   APPOMATTOX         VA   911 CALL CENTER

            MEADOW DRIVE

0930 PM     FLOOD            1 SSW OAKVILLE          37.42N 78.87W
03/24/2012                   APPOMATTOX         VA   911 CALL CENTER

            NORTH CREEK RD

&&

11

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 24, 8:03 PM EDT	Special Weather Statement	RNK	Appomattox	57 min
Mar 24, 8:26 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Buckingham	34 min
Mar 24, 8:34 PM EDT	Special Weather Statement	RNK	Buckingham	26 min
Mar 24, 8:36 PM EDT	Areal Flood Advisory	RNK	Appomattox, Buckingham, Campbell	3 hr
Mar 24, 8:43 PM EDT	Areal Flood Advisory	RNK	Carroll, Patrick	3 hr
Mar 24, 8:47 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	28 min
Mar 24, 9:01 PM EDT	Special Weather Statement	RNK	Appomattox, Charlotte	29 min
Mar 24, 9:15 PM EDT	Severe Thunderstorm Warning	RNK	Buckingham	45 min
Mar 24, 9:31 PM EDT	Special Weather Statement	RNK	Buckingham	29 min
Mar 24, 10:42 PM EDT	Areal Flood Advisory	RNK	Amherst, Appomattox, Bedford, Campbell, City of Lynchburg	3 hr
Mar 25, 6:50 AM EDT	Flash Flood Watch	RNK	Amherst, Appomattox, Bedford, Buckingham, Campbell, Carroll and 12 more	14 hr
Mar 25, 7:35 AM EDT	River Flood Warning	RNK	Halifax	54 hr
Mar 25, 7:44 AM EDT	River Flood Warning	RNK	Campbell, Charlotte, Halifax	12 hr
Mar 25, 7:44 AM EDT	River Flood Warning	RNK	Charlotte, Halifax	46 hr
Mar 25, 11:09 AM EDT	Special Weather Statement	RNK	Henry, Patrick, City of Martinsville	111 min
Mar 25, 12:26 PM EDT	Special Weather Statement	RNK	Carroll, City of Galax	2 hr
Mar 25, 2:55 PM EDT	River Flood Warning	RNK	Buckingham, Fluvanna	5 hr
Mar 24, 10:03 PM EDT	Areal Flood Advisory	RNK	Surry	103 min
Mar 25, 5:29 AM EDT	Special Weather Statement	RNK	Yadkin	46 min
Mar 25, 8:30 AM EDT	Special Weather Statement	RNK	Rockingham, Stokes	2 hr
Mar 25, 9:56 AM EDT	Flash Flood Warning	RNK	Rockingham, Stokes	5 hr

Nearby

Areal Flood Warnings in Virginia, 2012 Every areal 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.