Flash Flood and Damaging Winds in Ohio, August 9, 2001

Name: Flash Flood and Damaging Winds in Ohio, August 9, 2001
Start: 2001-08-09T16:50
End: 2001-08-09T22:00
Location: Ohio

August 9, 2001 · NWS PBZ · 5 events in 3 counties and zones

4 thunderstorm wind, 1 flash flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: $19,000
Crop damage: None recorded
Events: 5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Aug 9, 2:24 PM EST, 2 hours 26 minutes earlier.

Area forecast discussion, Aug 9, 2:24 PM EST, 2 hours 26 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
324 PM EDT THU AUG 9 2001

OPPRESSIVE HEAT/HUMIDITY WILL CONT INTO FRI BEFORE FRONTAL BNDRY
EXPECTED TO MOVE FROM LWR GT LKS 12Z/10 TO SWRN PA BY FRI EVE.
CWA WILL BE IS SLIGHT RISK AS WELL. AVN MDL IS FASTER THAN MESOETA
IN MOVING BNDRY SOUTH OF NRN WVA ZONES SAT MRNG...WILL COMPROMISE
AND KEEP LOW CHC POPS THERE SAT THOUGH.
PWS BY LATE TNGT WILL INCREASE NR 1.8 SPCLY SRN 2/3RDS CWA ALONG
WITH UNSTABLE AIRMASS FRIDAY...SO ACTIVE DAY EXPECTED ALONG WITH
HEAVY RAINFALL AT TIMES AND PSBL STRONG WINDS.
LTR TNGT AND SPCLY FRI PRECEDING FRONT...AREAS WILL HAVE TO BE
MONITORED CLOSELY AS FFA MAY HAVE TO BE ISSUED SPCLY SRN CNTYS WHERE
FFG ARE LOWEST. CONCERN ADDITIONALLY IS ANY REMNANTS OF BARRY
SWINGING UP ALONG THE UPPER OHIO RIVER AND INTERACTING WITH BEACOUP
MOISTURE ALREADY IN PLACE AHEAD OF FRONT FRI.
IN XNTD WILL KEEP CHC POPS XTREME SRN CNTYS INTO WKND AND AS MID
WEEK APPROACHES WITH BNDRY TO S AND PSBL OVRNG.

PIT   71  83  62  81 /  50  80  40  20
HLG   72  84  63  81 /  50  80  40  20
MGW   72  85  64  81 /  50  80  60  40
ZZV   73  85  63  83 /  50  80  40  20
PHD   70  83  61  81 /  50  80  40  20
FKL   68  78  58  78 /  60  70  20  10
DUJ   67  77  57  76 /  60  70  20  10
LBE   72  85  63  82 /  50  80  40  20
BTP   69  79  59  78 /  50  80  20  10
IDI   69  81  60  79 /  50  80  20  10
ODM   70  85  63  80 /  50  80  60  40

.PBZ...
MD...NONE.
OH...NONE.
PA...NONE.
WV...NONE.

In the hours before

Special weather statement, Aug 9, 11:55 AM EST, 4 hours 55 minutes before

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-092200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1255 PM EDT THU AUG 9 2001

...HEAT AND HUMIDITY CONTINUES WITH THREAT OF THUNDERSTORMS...

THUNDERSTORMS WILL BE DEVELOPINGT ACROSS THE REGION THIS AFTERNOON.
SOME OF THESE STORMS CAN PRODUCE UP TO AN INCH OF RAIN IN LESS THAN
ONE HOUR.  WINDS COULD GUST AS HIGH AS 40 MPH.  SKYWARN OBSERVERS
ARE ASKED TO REPORT RAINFALL AMOUNTS OF ONE INCH OR MORE.

The radar

The Pittsburgh radar (KPBZ), 66 km away, was scanning. The volume nearest the first event began at 21:49 UTC.

Open the radar archive at this moment

Event by event

4 thunderstorm wind, 1 flash flood. Local standard time, as filed.

Thunderstorm Wind, Columbiana

When: August 9, 4:50 PM EST
Where: Columbiana County, Kensington
Property damage: $2,000
Reported by: EMERGENCY MANAGER
Coordinates: 40.733, -80.950

Thunderstorm winds downed a few trees.

Thunderstorm Wind, Carroll

When: August 9, 5:00 PM EST
Where: Carroll County, Mechanicstown
Property damage: $5,000
Reported by: LAW ENFORCEMENT
Coordinates: 40.617, -80.950

Thunderstorm winds downed a several trees and power lines.

Thunderstorm Wind, Columbiana

When: August 9, 5:30 PM EST
Where: Columbiana County, Lisbon
Property damage: $2,000
Reported by: EMERGENCY MANAGER
Coordinates: 40.783, -80.767

Thunderstorm winds downed a few trees.

Thunderstorm Wind, Coshocton

When: August 9, 6:55 PM EST
Where: Coshocton County, New Castle
Property damage: $10,000
Reported by: LAW ENFORCEMENT
Coordinates: 40.333, -82.167

Thunderstorm winds downed numerous trees across western sections of the county.

Flash Flood, Coshocton

When: August 9, 8:15 PM EST to 10:00 PM EST
Where: Coshocton County, 2 mi NE of Spring Mtn
Reported by: TRAINED SPOTTER
Coordinates: 40.302, -81.920 (the zone’s center; the record gives no point)

Thunderstorm rains produced minor road flooding on CR19 in Monroe Township.

What these are

Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Flash Flood: Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Ohio in 2001 Every state in 2001 This day in weather history Warnings in Ohio, August 2001

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5265554, 5265555, 5265556, 5265557, 5265558.