Alert archive / Virginia / Flash Flood Warnings in 1995

Flash Flood Warning 90, NWS Blacksburg, VA

June 29, 1995Pittsylvania County, Virginia

NWS Blacksburg, VA issued this flash flood warning at Jun 29, 1995, 6:24 PM EDT for Pittsylvania County, Virginia. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Jun 29, 1995, 6:24 PM EDT (22:24 UTC)
Expired
Jun 29, 1995, 8:30 PM EDT
In force
2 hr
Issued by
NWS Blacksburg, VA
Area
Whole counties

County Pittsylvania County, VA

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.4 hours before the alert went out and 94 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-pSkew-T log-p diagram, Greensboro/Hi Pt, NC at 12:00Z on 1995-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 12:00Z on 1995-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
105 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
490 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KROA 292226 COR
FFWRNK
VAC143-300030-

BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED TO ADD NORTHERN PART OF COUNTY
NATIONAL WEATHER SERVICE BLACKSBURG VA
624 PM EDT THU JUN 29 1995

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  830 PM EDT
FOR THE FOLLOWING COUNTY...

IN SOUTH CENTRAL VIRGINIA

   ...NORTHERN AND CENTRAL PITTSYLVANIA COUNTY

AT 624 PM EDT...WEATHER RADAR SHOWED AN AREA OF THUNDERSTORMS
REMAINING ALMOST STATIONARY OVER NORTHERN AND CENTRAL PITTSYLVANIA
COUNTY.  THESE STORMS WERE PRODUCING RAINFALL AT THE RATE OF UP TO
AN INCH PER HOUR.

SHERIFFS REPORT MULTIPLE ROAD CLOSINGS THROUGHOUT THE CENTRAL PART OF
THE COUNTY.

TDO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

DESROSIERS

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 Blacksburg, VA wrote its last area forecast discussion before this flash flood warning went out at Jun 29, 2:59 PM EDT, 3 hours 25 minutes earlier.

Area forecast discussion, Jun 29, 2:59 PM EDT, 3 hours 25 minutes before
AREA FORECAST DISCUSSION   ............CORRECTION
NATIONAL WEATHER SERIVCE BLACKSBURG VA
256 PM EDT THU JUN 29 199
>
DISCUSSION...
ALOFT...REMNANTS OF UA LOW LIFTING OUT AND WEAKENING AS FLOW AT H5
BECOMES MORE ZONAL INTO END OF PD. THIS AS SECOND LOW AT H5 PUSHES E
THRU PD. THE GOOD NEWS...H5 FLOW MORE WESTERLY...THE BAD NEWS...NGM
SUGGEST STILL DIFFLUENCE ALFT WITH RELATIVELY WEAK H5 FLOW THRU PD.

A LOOK AT RFS PCGRIDDS...ACTUALLY HINTS AT A TAD BIT OF A RESTPIT IN
THE WAY OF A LIT LOWER PW/S AND A RELAXATION OF THE EVER-PRESENT
THETA-E AXIS. ALSO...850 TD/S AT GSO DOWN 2C FROM YESTERDAY. NGM
WUD SUGGEST THAT CHUNK OF SLIGHTLY DRIER AIR (IN THE WAY OF A LIT
LOWER PW/S) TRIES TO PUSH E )AT LEAST ACROSS S VA0..AS PW AXIS
RECEEDS S LATER OVERNIGHT. LIKEWISE...THETA-E AXIS RELAXES A BIT
OVERNIGHT.
HOWEVER...IN ADVANCE OF MIDWEST FRONT...PW/S BULGE BACK UP BY 36 HRS
AS WELL AS THETA-E MAX. THE LOW LEVEL MSTR CONV...WHICH DID AN
EXCELLENT JOB YESTRDAY...ALSO SHWS DIMINISHING BY LATE TNGT.
BUT...INCREASE QUITE WELL BY 36 HR.

THINKING/HOPE/WISH?  IS THAT RW/TRW WUD BE SCT-WDLY SCT FOR THE
REMAINDER OF AFT AND OVERNIGHT.. THEN IT/LL PROB ONCE AGAIN
INCREASE BY LATER FRI.

WBC WITH FFA IN EFFECT OK WITH US TO LEAVE IN UNTIL EVE PACKAGE AND
REEVALUTE. CAN DECIDE TO DROP TIL LATER TOMORROW WITH FRESH WATCH OR
KEEP IT GOING IF OH VLY CONV MAKES IT THIS FAR E. CRW...WITHOUT
FFA...NOT SURE...TRW WIDELY SCT ATTM ACRS EXT SW VA...BUT THOSE THAT
ARE FORMING IN THE SUN ARE PUTTING DOWN SOME RESPECTABLE AMOUNTS.
GIVE ME ANOTHER CALL. RDU...JUST SAW YOUR SFD....AGREE LUKS GUD.

HEY...WHAT/S THAT OUT IN THE ATLANTIC...PUSHING TOWARD CHS. LET/S
"NOT" THINK TROPICAL AT THIS TIME. PLEASE..!!!

KANE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 28, 8:57 PM EDTFlash Flood WarningRNKPittsylvania2 hr
Jun 28, 9:15 PM EDTFlash Flood WarningRNKFranklin2 hr
Jun 28, 9:45 PM EDTFlash Flood WarningRNKBedford75 min
Jun 28, 10:10 PM EDTFlash Flood WarningRNKHenry2 hr
Jun 28, 10:54 PM EDTFlash Flood WarningRNKPittsylvania2 hr
Jun 28, 11:35 PM EDTFlash Flood WarningRNKFranklin85 min
Jun 28, 11:51 PM EDTFlash Flood WarningRNKPittsylvania69 min
Jun 29, 1:05 AM EDTFlash Flood WarningRNKPittsylvania3 hr

Nearby

Flash Flood Warnings in Virginia, 1995Every flash flood warning in 1995

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.