Alert archive / West Virginia / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 113, NWS Baltimore/Washington

July 10, 2001Hampshire County, West Virginia

NWS Baltimore/Washington issued this severe thunderstorm warning at Jul 10, 2001, 5:27 PM EDT for Hampshire County, West Virginia. It was in force for 48 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
Jul 10, 2001, 5:27 PM EDT (21:27 UTC)
Expired
Jul 10, 2001, 6:15 PM EDT
In force
48 min
Issued by
NWS Baltimore/Washington
Area
Whole counties

County Hampshire County, WV

What was reported inside it

TimeReportWhereRemark
Jul 10, 5:40 PM EDTThunderstorm WindNorth Portion, WVTrees and power lines were downed.

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.

IssuedProductOfficeLasted
Jul 10, 1:45 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 9.5 hours before the alert went out and 112 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, Washington/Dulle, VA at 12:00Z on 2001-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 37 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, Washington/Dulle, VA at 12:00Z on 2001-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.19395878Sfc1 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
37 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1756 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
93 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.

671 
WUUS51 KLWX 102127
SVRLWX
WVC027-102215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
527 PM EDT TUE JUL 10 2001

THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HAMPSHIRE COUNTY IN EASTERN WEST VIRGINIA

* UNTIL 615 PM EDT

* AT 524 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SPRINGFIELD...MOVING SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  OVER SPRINGFIELD AT 530 PM
  OVER POINTS AT 538 PM
  OVER HIGGINSVILLE AT 542 PM
  OVER SLANESVILLE AT 552 PM
  OVER CAPON BRIDGE AT 604 PM

REMEMBER...A SEVERE THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...
DAMAGING WINDS IN EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY
HEAVY RAIN. IF SEVERE WEATHER APPROACHES...GO INSIDE A STURDY SHELTER
AND STAY AWAY FROM DOORS AND WINDOWS.

TUNE INTO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION.

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 Baltimore/Washington wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 10, 3:10 PM EDT, 2 hours 17 minutes earlier.

Area forecast discussion, Jul 10, 3:10 PM EDT, 2 hours 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
310 PM EDT TUE JUL 10 2001

SCOPE GETTING A LTL COLORFUL TO THE N. CDFNT SRN PA PROGGED TO INCH
THRU AREA LT THIS AFTN M-D LINE...ELY EVE WASH DC-W99... NR MIDNGT
SRN MD-CHO.  JET DYNAMICS DRIVING SVR THREAT. WBZ 11-12K FT REDUCING
HAIL THREAT. STORMS ARE MVG W/ PWAT 1-1.5 IN SO NOT A HUGE FLOOD
THREAT. WL USE ENHANCED WRDG IN EVE PD...SCT POPS.

THRAFTR...CAA/LWR DEWPT ADVCTN FOR TMRW. FLW HAS SLGT DWNSLP
COMPONENT...SO TEMPS NOT TOO MUCH LWR...BUT MUCH DRIER/MORE COMFY.
CAA CONTS INTO TMRW NGT...MARKING BGNG OF BLO NRML TEMPS THRU END OF
WK.

AFTN PKG WIBIS ON SKED AT 1930 UTC/330 PM EDT. G'NGT!

FCSTID = 50...HTS
DCA   72  87  64  85 /  30  10   0   0
BWI   68  88  58  85 /  30  10   0   0
MRB   66  85  56  84 /  30   0   0   0
IAD   66  88  56  84 /  30  10   0   0
CHO   68  89  60  85 /  30   0   0   0
HGR   64  84  54  82 /  30   0   0   0
NHK   73  89  66  83 /  30  10   0   0
W99   62  82  52  80 /  30   0   0   0

.LWX...
DC...NONE.
MD...NONE.
VA...NONE.
WV...NONE.

In the hours before

Special weather statement, Jul 10, 1:15 PM EDT, 4 hours 12 minutes before
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ021-025>031-036>042-
050>057-WVZ048>055-110000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
115 PM EDT TUE JUL 10 2001

...SEVERE THUNDERSTORMS POSSIBLE THIS AFTERNOON AND EVENING...

THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS INDICATED THERE
IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON ACROSS
EASTERN WEST VIRGINIA...MUCH OF MARYLAND...THE DISTRICT OF
COLUMBIA...AND NORTHERN VIRGINIA. THE PRIMARY THREAT FROM THESE
STORMS WILL BE DAMAGING WIND GUSTS.

A COLD FRONT PUSHING SOUTH TOWARDS THE AREA WILL SPARK SHOWERS AND
THUNDERSTORMS THIS AFTERNOON AND TONIGHT. THE COLD FRONT WILL ENTER
NORTHERN MARYLAND LATE THIS AFTERNOON...AND CLEAR CENTRAL VIRGINIA
AND SOUTHERN MARYLAND TOWARDS DAWN.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR ANY
POSSIBLE SEVERE WEATHER WATCHES OR WARNINGS.

FOR ADDITIONAL bWEATHER INFORMATION, CHECK OUR WEB SITE AT
HTTP://WWW.NWS.NOAA.GOV/ER/LWX.

HTS
Special weather statement, Jul 10, 4:05 PM EDT, 1 hour 22 minutes before
MDZ002>007-009>011-VAZ028-031-042-WVZ049>053-102000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
405 PM EDT TUE JUL 10 2001

...STRONG TO SEVERE THUNDERSTORMS MOVING SOUTH OF THE PENNSYLVANIA
BORDER...

DOPPLER RADAR SHOWS TWO AREAS OF STRONG TO SEVERE THUNDERSTORMS
MOVING FROM SOUTHERN PENNSYLVANIA INTO NORTHERN MARYLAND.  THE FIRST
AREA OF STORMS IS MOVING SOUTHEAST TOWARD THE WESTERN PANDHANDLE OF
MARYLAND AND THE FAR EASTERN PANHANDLE OF WEST VIRGINIA. THE SECOND
AREA OF STORMS IN MOVING INTO NORTHCENTRAL AND NORTHEAST MARYLAND
TOWARD THE BALTIMORE METROPOLITAN AREA.

BOTH AREAS OF STORMS HAVE A HISTORY OF PRODUCING DAMAGING WIND
GUSTS...FREQUENT LIGHTNING AND HEAVY DOWNPOURS. WINDS UP TO 70 MPH
HAVE BEEN REPORTED IN EMMITSBURG IN FREDERICK COUNTY MARYLAND.
ANYONE PARTICIPATING IN OUTDOOR ACTIVITIES AS THESE STORMS APPROACH
SHOULD SEEK SHELTER IMMEDIATELY.  TAKE LOOSE OBJECTS INDOORS SUCH AS
LAWN FURNITURE AND TRASH CANS BEFORE THE STORMS APPROACH.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE AREA THROUGH
9PM. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER INFORMATION AND POSSIBLE WARNINGS THAT MAY BE ISSUED FOR
THESE STORMS.

MMARGRAF
Local storm report, Jul 10, 4:15 PM EDT, 1 hour 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
415 PM EDT TUE JUL 10 2001

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

0410 PM    EMMITSBURG                MD   69 MPH TSTM WIND GUST
07/10/01   FREDERICK

MKM
Special weather statement, Jul 10, 4:21 PM EDT, 1 hour 6 minutes before
MDZ002>007-009>011-VAZ028-031-042-WVZ049>053-102015-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
421 PM EDT TUE JUL 10 2001

...STRONG TO SEVERE THUNDERSTORMS MOVING SOUTH OF THE PENNSYLVANIA
BORDER...

DOPPLER RADAR SHOWED TWO AREAS OF STRONG TO SEVERE THUNDERSTORMS
MOVING FROM SOUTHERN PENNSYLVANIA INTO NORTHERN MARYLAND.  THE FIRST
AREA OF STORMS IS MOVING SOUTHEAST TOWARD THE WESTERN PANDHANDLE OF
MARYLAND AND THE FAR EASTERN PANHANDLE OF WEST VIRGINIA. THE SECOND
AREA OF STORMS IS MOVING INTO NORTHCENTRAL AND NORTHEAST MARYLAND
TOWARD THE BALTIMORE METROPOLITAN AREA.

BOTH AREAS OF STORMS HAVE A HISTORY OF PRODUCING DAMAGING WIND
GUSTS...FREQUENT LIGHTNING AND HEAVY DOWNPOURS. WINDS UP TO 70 MPH
HAVE BEEN REPORTED IN EMMITSBURG IN FREDERICK COUNTY MARYLAND.
ANYONE PARTICIPATING IN OUTDOOR ACTIVITIES AS THESE STORMS APPROACH
SHOULD SEEK SHELTER IMMEDIATELY.  TAKE LOOSE OBJECTS INDOORS SUCH AS
LAWN FURNITURE AND TRASH CANS BEFORE THE STORMS APPROACH.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE AREA THROUGH
9PM. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTHER INFORMATION AND POSSIBLE WARNINGS THAT MAY BE ISSUED FOR
THESE STORMS.

MMARGRAF

CORRECTION TO EXPIRATION TIME
Special weather statement, Jul 10, 4:24 PM EDT, 1 hour 3 minutes before
MDZ002>007-009>011-VAZ028-031-042-WVZ049>053-102215-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE BALTIMORE-WASHINGTON
424 PM EDT TUE JUL 10 2001

...STRONG TO SEVERE THUNDERSTORMS MOVING SOUTH OF THE PENNSYLVANIA
BORDER...

DOPPLER RADAR SHOWED TWO AREAS OF STRONG TO SEVERE THUNDERSTORMS
MOVING FROM SOUTHERN PENNSYLVANIA INTO NORTHERN MARYLAND.  THE FIRST
AREA OF STORMS IS MOVING SOUTHEAST TOWARD THE WESTERN PANDHANDLE OF
MARYLAND AND THE FAR EASTERN PANHANDLE OF WEST VIRGINIA. THE SECOND
AREA OF STORMS IS MOVING INTO NORTHCENTRAL AND NORTHEAST MARYLAND
TOWARD THE BALTIMORE METROPOLITAN AREA.

BOTH AREAS OF STORMS HAVE A HISTORY OF PRODUCING DAMAGING WIND
GUSTS...FREQUENT LIGHTNING AND HEAVY DOWNPOURS. WINDS UP TO 70 MPH
HAVE BEEN REPORTED IN EMMITSBURG IN FREDERICK COUNTY MARYLAND.
ANYONE PARTICIPATING IN OUTDOOR ACTIVITIES AS THESE STORMS APPROACH
SHOULD SEEK SHELTER IMMEDIATELY.  TAKE LOOSE OBJECTS INDOORS SUCH AS
LAWN FURNITURE AND TRASH CANS BEFORE THE STORMS APPROACH.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE ENTIRE AREA THROUGH
9PM. STAY TUNED TO NOAA WEATHER RADIO AND OTHER LOCAL MEDIA FOR
FURTnHER INFORMATION AND POSSIBLE WARNINGS THAT MAY BE ISSUED FOR
THESE STORMS.

MMARGRAF

CORRECTION TO EXPIRATION TIME
Local storm report, Jul 10, 5:21 PM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
521 PM EDT TUE JUL 10 2001

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

0455 PM    FROSTBURG                 MD   .75 INCH HAIL
07/10/01   ALLEGANY                       REPORTED BY
SPOTTERS

MKM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 4:53 PM EDTSevere Thunderstorm WarningLWXMineral52 min
Jul 10, 5:55 PM EDTTornado WarningLWXHampshire35 min

Nearby

Severe Thunderstorm Warnings in West Virginia, 2001Every severe thunderstorm warning in 2001

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.