Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 33, NWS Pittsburgh, PA

April 19, 2002Belmont County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Apr 19, 2002, 7:53 PM EDT for Belmont County, Ohio. It was in force for 37 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: Apr 19, 2002, 7:53 PM EDT (23:53 UTC)
Expired: Apr 19, 2002, 8:30 PM EDT
In force: 37 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

County Belmont County, OH

The radar

The Pittsburgh radar (KPBZ), 87 km from the middle of the area, began a volume at 23:52 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

Time	Report	Where	Remark
Apr 19, 8:04 PM EDT	Thunderstorm Wind	Countywide, OH	Thunderstorm winds downed numerous trees across the county.

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
Apr 19, 4:30 PM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 11.9 hours before the alert went out and 87 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: 786 J/kg
Mixed-layer CIN: -71 J/kg
Mixed-layer LCL: 1400 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KPBZ 192353
SVRPBZ
OHC013-200030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
753 PM EDT FRI APR 19 2002

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BELMONT COUNTY IN OHIO

* UNTIL 830 PM EDT

* AT 753 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTHWEST OF NEFFS...MOVING SOUTHEAST
  AT 30 MPH.

<<CALL TO ACTION>>SEVERE THUNDERSTORMS PRODUCE WINDS IN EXCESS OF 58
MILES AN HOUR AND LARGE HAIL GREATER THAN THREE QUARTERS OF AN INCH.

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 Apr 19, 4:34 PM EDT, 3 hours 19 minutes earlier.

Area forecast discussion, Apr 19, 4:34 PM EDT, 3 hours 19 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
434 PM EDT FRI APR 19 2002

QUICK UPDATE TO PUT IN WATCH FOR OH AND WV COUNTIES.
FCSTID = 22

.PBZ...
MD...NONE.
OH...SEVERE THUNDERSTORM WATCH FOR THIS AFTERNOON AND EVENING FOR
ZONES OHZ039>041...OHZ048>050...OHZ057>059...OHZ068>069.

PA...NONE.
WV...SEVERE THUNDERSTORM WATCH FOR THIS AFTERNOON AND EVENING FOR
ZONES WVZ001>004...WVZ012.

RRR

In the hours before

Local storm report, Apr 19, 4:00 PM EDT, 3 hours 53 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
400 PM EDT FRI APR 19 2002

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

0305 PM    FRANKLIN                  PA   0.75 INCH HAIL
04/19/02   VENANGO

0320 PM    CARLTON                   PA   0.75 INCH HAIL
04/19/02   MERCER

Special weather statement, Apr 19, 4:27 PM EDT, 3 hours 26 minutes before

OHZ039>041-048>050-057>059-068-069-WVZ001>004-012-200200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
427 PM EDT FRI APR 19 2002

SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING
FOR THE FOLLOWING COUNTIES...

IN WEST VIRGINIA...

  BROOKE          HANCOCK         MARSHALL        OHIO
  WETZEL

IN OHIO...

  BELMONT         CARROLL         COLUMBIANA      COSHOCTON
  GUERNSEY        HARRISON        JEFFERSON       MONROE
  MUSKINGUM       NOBLE           TUSCARAWAS

A SEVERE THUNDERSTORM WATCH MEANS THAT THUNDERSTORMS WITH LARGE HAIL
AND STRONG WINDS ARE POSSIBLE IN THE WATCH AREA. IF SEVERE
THUNDERSTORMS BECOME CERTAIN...WARNINGS WILL BE ISSUED.

Local storm report, Apr 19, 6:59 PM EDT, 54 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
659 PM EDT FRI APR 19 2002

ALSO SEE LSR ISSUED 4 PM.

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

0510 PM    NEW PHILADELPHIA          OH   0.75 INCH HAIL
04/19/02   TUSCARAWAS

0515 PM    GLEN CAMPBELL             PA   WIND DAMAGE
04/19/02   INDIANA                        TREES DOWN.

0550 PM    DELLROY                   OH   0.75 INCH HAIL
04/19/02   CARROLL

0628 PM    SHERRODSVILLE             OH   0.75 INCH HAIL
04/19/02   CARROLL

0628 PM    DELLROY                   OH   0.75 INCH HAIL
04/19/02   CARROLL

Local storm report, Apr 19, 7:51 PM EDT, 2 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PA
751 PM EDT FRI APR 19 2002

ALSO SEE LSR ISSUED 4 PM AND 659 PM.

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

0630 PM    AMSTERDAM                 OH   0.75 INCH HAIL
04/19/02   JEFFERSON

0645 PM    NEW CUMBERLAND            WV   0.75 INCH HAIL
04/19/02   HANCOCK                        AND 1 INCH RAIN IN 45 MINS.

0650 PM    BERKHOLTZ                 OH   0.88 INCH HAIL
04/19/02   JEFFERSON

0650 PM    BERKHOLTZ                 OH   FLOODING
04/19/02   JEFFERSON                      OF SEVERAL ROADWAYS.

0700 PM    PETERSBURG                OH   FLOODING
04/19/02   CARROLL                        SOUTH OF PETERSBURG ON
                                          STATE ROUTE 332.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 19, 5:02 PM EDT	Severe Thunderstorm Warning	PBZ	Tuscarawas	28 min
Apr 19, 5:08 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll, Harrison	52 min
Apr 19, 5:41 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	64 min
Apr 19, 5:45 PM EDT	Severe Thunderstorm Warning	PBZ	Tuscarawas	60 min
Apr 19, 5:56 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	64 min
Apr 19, 6:00 PM EDT	Severe Thunderstorm Warning	PBZ	Carroll	60 min
Apr 19, 6:32 PM EDT	Flash Flood Warning	PBZ	Carroll	3 hr
Apr 19, 6:43 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	62 min
Apr 19, 6:50 PM EDT	Flash Flood Warning	PBZ	Jefferson	3 hr
Apr 19, 6:55 PM EDT	Severe Thunderstorm Warning	PBZ	Harrison	65 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2002 Every 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.