Alert archive / Ohio / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 195, NWS Pittsburgh, PA

September 20, 2000Carroll County, Columbiana County, Ohio

NWS Pittsburgh, PA issued this severe thunderstorm warning at Sep 20, 2000, 10:27 PM EDT for Carroll County, Columbiana County, Ohio. It was in force for 33 min. 2 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: Sep 20, 2000, 10:27 PM EDT (02:27 UTC)
Expired: Sep 20, 2000, 11:00 PM EDT
In force: 33 min
Issued by: NWS Pittsburgh, PA
Area: Whole counties

Counties Carroll County, OH, Columbiana County, OH

What was reported inside it

Time	Report	Where	Remark
Sep 20, 10:30 PM EDT	Thunderstorm Wind	Leesville, OH	Thunderstorm winds downed a few large trees.
Sep 20, 10:35 PM EDT	Thunderstorm Wind	Salem, OH	Thunderstorm winds downed a few large trees.

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
Sep 20, 7:45 PM EDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 2.5 hours before the alert went out and 76 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: 647 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1226 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 260 m²/s²
0-3 km storm-relative helicity: 351 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 11.1

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Sep 20, 9:05 PM EDT, 1 hour 22 minutes earlier.

Area forecast discussion, Sep 20, 9:05 PM EDT, 1 hour 22 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
905 PM EDT WED SEP 20 2000

DOING MY EVENING UPDATE JUST TO CLEAN UP A FEW THINGS IN THE ZONES.
EVERYTHING LOOKS PRETTY MUCH ON TRACK JUST MADE A FEW ADJUSTMENTS TO
TEMPS.

FCSTID = 22

.PBZ...
WIND ADVISORY UNTIL 400 AM EDT THURSDAY FOR ZONE MDZ001.
OH...SEVERE THUNDERSTORM WATCH UNTIL 100 AM EDT THURSDAY FOR ZONES
OHZ039>069.
WIND ADVISORY UNTIL 400 AM EDT THURSDAY FOR ZONES
OHZ039>041...OHZ048>050...OHZ057>059...OHZ068>069.
PA...SEVERE THUNDERSTORM WATCH UNTIL 100 AM EDT THURSDAY FOR ZONES
PAZ007>009...PAZ013>016...PAZ020>023...PAZ029>032.
WIND ADVISORY UNTIL 400 AM EDT THURSDAY FOR ZONES
PAZ007>009...PAZ013>016...PAZ020>023...PAZ029>032.
WV...SEVERE THUNDERSTORM WATCH UNTIL 100 AM EDT THURSDAY FOR ZONES
WVZ001>041.
WIND ADVISORY UNTIL 400 AM EDT THURSDAY FOR ZONES
WVZ001>004...WVZ012...WVZ021>023...WVZ041.

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In the hours before

Special weather statement, Sep 20, 9:47 PM EDT, 40 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
947 PM EDT WED SEP 20 2000

OHZ039>041-048>050-057>059-068-069-210400-
BELMONT OH-CARROLL OH-COLUMBIANA OH-COSHOCTON OH-GUERNSEY OH-
HARRISON OH-JEFFERSON OH-MONROE OH-MUSKINGUM OH-NOBLE OH-
TUSCARAWAS OH-
947 PM EDT WED SEP 20 2000

...LINE OF STRONG THUNDERSTORMS MOVING THROUGH EAST CENTRAL OHIO...

A LINE OF STRONG THUNDERSTORMS IS MOVING THROUGH THE AREA AT ABOUT
40 MPH. THESE STORMS MAY CONTAIN STRONG GUSTY WINDS. THE STORMS ARE
ASSOCIATED WITH A FAST MOVING COLD FRONT WHICH WILL SHIFT THE STRONG
GUSTY WINDS FROM THE SOUTHWEST TO THE NORTHWEST. TEMPERATURES WILL
FALL NOTICEABLY AFTER THE STORMS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 20, 8:40 PM EDT	Severe Thunderstorm Warning	PBZ	Lawrence, Mercer	65 min
Sep 20, 9:19 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	41 min
Sep 20, 11:42 PM EDT	Severe Thunderstorm Warning	PBZ	Venango	48 min
Sep 20, 9:12 PM EDT	Severe Thunderstorm Warning	PBZ	Coshocton	33 min
Sep 20, 9:16 PM EDT	Severe Thunderstorm Warning	PBZ	Muskingum	44 min
Sep 20, 10:17 PM EDT	Severe Thunderstorm Warning	PBZ	Guernsey, Harrison, Tuscarawas	43 min
Sep 20, 10:20 PM EDT	Severe Thunderstorm Warning	PBZ	Noble	40 min
Sep 20, 10:42 PM EDT	Severe Thunderstorm Warning	PBZ	Belmont	33 min
Sep 20, 11:00 PM EDT	Severe Thunderstorm Warning	PBZ	Jefferson	45 min
Sep 20, 11:23 PM EDT	Severe Thunderstorm Warning	PBZ	Monroe	52 min

Nearby

Severe Thunderstorm Warnings in Ohio, 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.