Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 4, NWS Pittsburgh, PA

March 9, 20027 counties in Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Mar 9, 2002, 5:34 PM EST for 7 counties in Ohio. It was in force for 56 min. 7 reports 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
Mar 9, 2002, 5:34 PM EST (22:34 UTC)
Expired
Mar 9, 2002, 6:30 PM EST
In force
56 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Belmont County, OH, Carroll County, OH, Columbiana County, OH, Harrison County, OH, Jefferson County, OH, Monroe County, OH, Noble County, OH

The radar

The Pittsburgh radar (KPBZ), 77 km from the middle of the area, began a volume at 22:35 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.

What was reported inside it

TimeReportWhereRemark
Mar 9, 5:45 PM ESTThunderstorm WindCountywide, OH
Mar 9, 5:45 PM ESTThunderstorm WindCountywide, OH
Mar 9, 5:45 PM ESTThunderstorm WindCountywide, OH
Mar 9, 6:00 PM ESTThunderstorm WindCountywide, OHNumerous trees and power lines downed by thunderstorm winds. A few trees fell on parked cars.
Mar 9, 6:00 PM ESTThunderstorm WindCountywide, OH
Mar 9, 6:00 PM ESTThunderstorm WindCountywide, OH
Mar 9, 6:00 PM ESTThunderstorm WindCountywide, OH

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
Mar 9, 5:15 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.6 hours before the alert went out and 82 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, Pittsburgh, PA at 12:00Z on 2002-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Pittsburgh, PA at 12:00Z on 2002-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1877 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
140 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 
WUUS51 KPBZ 092234
SVRPBZ
OHC013-019-029-067-081-111-121-092330-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
533 PM EST SAT MAR 9 2002

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BELMONT COUNTY IN OHIO
  CARROLL COUNTY IN OHIO
  COLUMBIANA COUNTY IN OHIO
  HARRISON COUNTY IN OHIO
  JEFFERSON COUNTY IN OHIO
  MONROE COUNTY IN OHIO
  NOBLE COUNTY IN OHIO

* UNTIL 630 PM EST

* AT 533 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERE THUNDERSTORMS FROM 26 MILES SOUTHWEST OF MALVERN TO 15 MILES
  WEST OF BARNESVILLE...MOVING EAST AT 50 MPH.

* SEVERE THUNDERSTORMS WILL BE...
  NEAR WOODSFIELD AT 545 PM...
  NEAR BETHESDA AT 550 PM...
  NEAR FLUSHING AT 555 PM...
  NEAR SCIO AT 600 PM...

<<CALL TO ACTION>>THIS STORM HAS A HISTORY OF PRODUCING DAMAGING 
WINDS GREATER THAN 70 MPH. NUMEROUS TREES AND POWERLINES ARE 
REPORTED DOWN FROM THE HIGH WINDS.

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 Pittsburgh, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 9, 5:09 PM EST, 25 minutes earlier.

Area forecast discussion, Mar 9, 5:09 PM EST, 25 minutes before
AREA FORECAST DISCUSSION -UPDATE
NATIONAL WEATHER SERVICE PITTSBURGH PA
505 PM AM EST SAT MAR 9 2002

ZONE FORECASTS UPDATED PER NEW SEVERE THUNDERSTORM WATCH UNTIL 10 PM
FOR REST OF CWA. BEEF WORDING FURTHER PER DAMAGING WINDS NOW
OCCURRING IN CENTRAL OHIO. EXPECT SQUALL LINE TO EXIT CWA BY AROUND
9 PM. ...GIORDANO

.PBZ...
MD...HIGH WIND WARNING UNTIL 4AM SUNDAY
     SEVERE THUNDERSTORM WATCH UNTIL 10PM SATURDAY.
          MDZ001.
OH...HIGH WIND WARNING UNTIL 4AM SUNDAY
     SEVERE THUNDERSTORM WATCH UNTIL 7-10PM SATURDAY.
          OHZ039>041-048>050-057>059-068-069.
     PA...HIGH WIND WARNING UNTIL 4AM SUNDAY
     SEVERE THUNDERSTORM WATCH UNTIL 10PM SATURDAY.
          PAZ007>009-013>016-020>023-029>032.
WV...HIGH WIND WARNING UNTIL 4AM SUNDAY
     SEVERE THUNDERSTORM WATCH UNTIL 10PM SATURDAY.
          WVZ001>004-012-021>023-041.

In the hours before

Special weather statement, Mar 9, 2:46 PM EST, 2 hours 48 minutes before
100000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
246 PM EST SAT MAR 9 2002

SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EST SATURDAY EVENING
FOR THE FOLLOWING COUNTIES...

COSHOCTON...MUSKINGUM...TUSCARAWAS...GUERNSEY...NOBLE.

DAMAGING THUNDERSTORMS WINDS OF OVER 60 MPH ARE POSSIBLE.
WHEN SEVERE THUNDERSTORMS THREATEN...SEEK SHELTER INDOORS.
STAY TUNED FOR UPDATES AND POSSIBLE WARNINGS.
Special weather statement, Mar 9, 5:01 PM EST, 33 minutes before
OHZ039>041-049-050-058-059-068-069-WVZ001>004-012-100000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
501 PM EST SAT MAR 9 2002

...DAMAGING WINDS WILL AFFECT THE AREA...

THE NATIONAL WEATHER SERVICE SAYS A LINE OF SEVERE THUNDERSTORMS
WILL PRODUCE WINDS OF UP TO 80 MILES AN HOUR ACROSS EAST CENTRAL
OHIO, AND THE NORTHERN PANHANDLE OF WEST VIRGINIA.

THESE STORMS WILL SWEEP INTO TUSCARAWAS, GUERNSEY, AND NOBLE
COUNTIES AROUND 5:30 PM.

CARROLL, HARRISON, BELMONT, AND MONROE COUNTIES AROUND 6 PM.

AND THEN INTO COLUMBIANA, JEFFERSON, HANCOCK, BROOKE, OHIO, AND
MARSHALL COUNTIES BY 630 PM.

YOU SHOULD SECURE LOOSE ITEMS IMMEDIATELY.  WHEN THREATENING WEATHER
APPROACHES, MOVE INDOORS. ALSO, BE PREPARED FOR POWER OUTAGES.

AFTER THE LINE OF VERY WINDY STORMS MOVES THROUGH, WEST WINDS WILL
STILL GUST TO 40 MILES AN HOUR DURING THE EVENING HOURS, AND
TEMPERATURES WILL QUICKLY DROP INTO THE 30S.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL EARLY THIS
EVENING, AND A HIGH WIND WARNING CONTINUES UNTIL EARLY SUNDAY
MORNING.
Special weather statement, Mar 9, 5:01 PM EST, 33 minutes before
OHZ039>041-049-050-058-059-068-069-WVZ001>004-012-100000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
501 PM EST SAT MAR 9 2002

...DAMAGING WINDS WILL AFFECT THE AREA...

THE NATIONAL WEATHER SERVICE SAYS A LINE OF SEVERE THUNDERSTORMS
WILL PRODUCE WINDS OF UP TO 80 MILES AN HOUR ACROSS EAST CENTRAL
OHIO, AND THE NORTHERN PANHANDLE OF WEST VIRGINIA.

THESE STORMS WILL SWEEP INTO TUSCARAWAS, GUERNSEY, AND NOBLE
COUNTIES AROUND 5:30 PM.

CARROLL, HARRISON, BELMONT, AND MONROE COUNTIES AROUND 6 PM.

AND THEN INTO COLUMBIANA, JEFFERSON, HANCOCK, BROOKE, OHIO,
MARSHALL, AND WETZEL COUNTIES BY 630 PM.

YOU SHOULD SECURE LOOSE ITEMS IMMEDIATELY.  WHEN THREATENING WEATHER
APPROACHES, MOVE INDOORS. ALSO, BE PREPARED FOR POWER OUTAGES.

AFTER THE LINE OF VERY WINDY STORMS MOVES THROUGH, WEST WINDS WILL
STILL GUST TO 40 MILES AN HOUR DURING THE EVENING HOURS, AND
TEMPERATURES WILL QUICKLY DROP INTO THE 30S.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL EARLY THIS
EVENING, AND A HIGH WIND WARNING CONTINUES UNTIL EARLY SUNDAY
MORNING.
Special weather statement, Mar 9, 5:20 PM EST, 14 minutes before
100300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
520 PM EST SAT MAR 9 2002

SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1000 PM EST SATURDAY
EVENING
FOR THE FOLLOWING COUNTIES...

IN EASTERN OHIO...
COLUMBIANA...CARROLL...JEFFERSON...HARRISON...BELMONT...MONROE.

IN NORTHERN WEST VIRGINIA...
HANCOCK...BROOKE...OHIO...MARSHALL...WETZEL...MONONGALIA...
MARION...PRESTON...TUCKER.

IN WESTERN MARYLAND...
GARRETT.

IN WESTERN PENNSYLVANIA...
ALLEGHENY...ARMSTRONG...BEAVER...BUTLER...CLARION...FAYETTE...
FOREST...GREENE...INDIANA...JEFFERSON...LAWRENCE...MERCER...
VENANGO...WASHINGTON...WESTMORELAND.

DAMAGING THUNDERSTORM WIND GUSTS OF OVER 60 MPH...MAYBE EVEN 80 MPH
...CAN OCCUR THIS EVENING.

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 9, 4:36 PM ESTSevere Thunderstorm WarningPBZCoshocton, Muskingum39 min
Mar 9, 5:16 PM ESTSevere Thunderstorm WarningPBZGuernsey, Tuscarawas59 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2002Every severe thunderstorm warning in 2002

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; radar from the NEXRAD Level II archive.