Alert archive / Virginia / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 67, NWS Blacksburg, VA

May 27, 2000Pittsylvania County, Virginia

NWS Blacksburg, VA issued this severe thunderstorm warning at May 27, 2000, 8:29 PM EDT for Pittsylvania County, Virginia. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 27, 2000, 8:29 PM EDT (00:29 UTC)
Expired: May 27, 2000, 9:15 PM EDT
In force: 46 min
Issued by: NWS Blacksburg, VA
Area: Whole counties

County Pittsylvania County, VA

What was reported inside it

Time	Report	Where	Remark
May 27, 9:00 PM EDT	Thunderstorm Wind	Blairs, VA

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 27, 2:45 PM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 0.5 hours before the alert went out and 43 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: 550 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 1274 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 331 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

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

684 
WUUS51 KRNK 280027
SVRRNK
VAC011-031-143-280115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BLACKSBURG VA
829 PM EDT SAT MAY 27 2000

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CAMPBELL COUNTY IN CENTRAL VIRGINIA...
  APPOMATTOX COUNTY IN CENTRAL VIRGINIA...
  PITTSYLVANIA COUNTY IN SOUTH CENTRAL VIRGINIA...

* UNTIL 915 PM EDT.

* AT 829 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 6 MILES NORTHEAST OF APPOMATTOX
  TO 6 MILES NORTHWEST OF CHATHAM...MOVING SOUTHEAST AT 30 MPH.


SOME LOCATIONS THREATENED THROUGH 915 PM EDT INCLUDE
  APPOMATTOX...
  CHATHAM...
  MT AIRY...
  BROOKNEAL...
  BLAIRS...

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY.

$$

SN

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at May 27, 3:20 PM EDT, 5 hours 9 minutes earlier.

Area forecast discussion, May 27, 3:20 PM EDT, 5 hours 9 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BLACKSBURG VA
320 PM EDT SAT MAY 27 2000

HAVE ISSUED LATE PM PACKAGE EARLY TO INCLUDE TORNADO WATCH.

WINDS HAVE TURNED MORE WESTERLY WEST OF BLUE RIDGE WITH OUTFLOW FROM
OLD LINE IN EASTERN KY/WERN WV...BUT MAY BACK TO SOUTHWEST AGAIN
AHEAD OF NEXT CLUSTER OF TSTMS DEVELOPING IN WRN WV. SOUTHWEST WINDS
CONTINUE EAST OF THE BLUE RIDGE...KEEPING MODERATE SPEED/DIRECTIONAL
SHEAR IN THOSE LOCATIONS. HAVE KEPT ALL BUT FAR WESTERN.NRN COUNTIES
IN THE WATCH.

OVERNIGHT EXPECT ACTIVITY TO DIMINISH FOR A WHILE...BUT SHOULD
REFIRE LATE AS MAIN UPPER LOW EJECTS EASTWARD WITH STRONG DYNAMICS.

SUNDAY EXPECT MAIN PREFRONTAL TSTMS MAY OCCUR PRE 20Z AS BEST
DYNAMICS SPREAD EASTWARD AHEAD OF FRONT. FROPA EXPECTED TO OCCUR 15Z
IN THE WEST TO 21Z IN THE EAST. BEHIND THE FRONT COLD POOL KEEPS
THINGS QUITE UNSTABLE AND ADDITIONAL TSTM EXPECTED TO DEVELOP WITH
POTENTIAL FOR HAIL. COULD HAVE TRIED TO CATEG HIER/LOWER POPS INTO
TWO PERIODS BUT WITH FIRST PERIOD CONCERNS WENT WITH GENERALS.

MONDAY LOOKS TO BE A COOL DAY WITH NORTH/NORTHEAST WINDS. THIS COULD
KEEP PIEDMONT NEARLY AS COOL AS THE WEST WITH MORE CLOUDS. MENTIONED
BREEZY IN THE EAST WITH PRESSURE GRADIENT. SURE WONT FEEL LIKE THE
TRADITIONAL BEGINNING OF SUMMER.

.RNK.
.VA...TORNADO WATCH TIL 9 PM ALL BUT THE FAR NORTH
.WV...NONE.
.NC...TORNADO WATCH TIL 9 PM FOR ALL.

NOGUEIRA

In the hours before

Local storm report, May 27, 2:35 PM EDT, 5 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG, VA
235 PM EDT SAT MAY 27 2000

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0229 PM    10 SW WILKESBORO          NC   .75 INCH HAIL
05/27/00   WILKES                         PILOT REPORT

PM

Local storm report, May 27, 3:30 PM EDT, 4 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BLACKSBURG, VA
330 PM EDT SAT MAY 27 2000

TIME(EDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0245 PM    5 S WILKESBORO            NC   WIND DAMAGE
05/27/00   WILKES                         NUMEROUS TREES DOWN NEAR
                                          BRUSHY MOUNTAINS WITH
                                          SCATTERED POWER
                                          OUTAGES

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 8:23 PM EDT	Severe Thunderstorm Warning	RNK	Franklin, Henry	22 min
May 27, 8:23 PM EDT	Severe Thunderstorm Warning	RNK	City of Martinsville	22 min
May 27, 8:29 PM EDT	Severe Thunderstorm Warning	RNK	Appomattox, Campbell	46 min
May 27, 8:32 PM EDT	Severe Thunderstorm Warning	RNK	Charlotte, Halifax	58 min
May 28, 3:53 PM EDT	Severe Thunderstorm Warning	RNK	Alleghany, City of Covington	52 min
May 28, 5:02 PM EDT	Severe Thunderstorm Warning	RNK	Botetourt	43 min
May 28, 5:09 PM EDT	Severe Thunderstorm Warning	RNK	Giles, Montgomery, Pulaski, City of Radford	51 min
May 28, 5:29 PM EDT	Severe Thunderstorm Warning	RNK	Amherst	46 min
May 28, 5:31 PM EDT	Severe Thunderstorm Warning	RNK	Henry, Patrick	59 min
May 28, 5:31 PM EDT	Severe Thunderstorm Warning	RNK	City of Martinsville	59 min
May 28, 5:47 PM EDT	Severe Thunderstorm Warning	RNK	Roanoke, City of Salem	43 min
May 28, 5:47 PM EDT	Severe Thunderstorm Warning	RNK	City of Roanoke	43 min
May 28, 7:06 PM EDT	Severe Thunderstorm Warning	RNK	Pittsylvania, City of Danville	54 min
May 28, 7:58 PM EDT	Severe Thunderstorm Warning	RNK	Halifax	47 min

Nearby

Severe Thunderstorm Warnings in Virginia, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.