Alert archive / Ohio / Flash Flood Warnings in 2000

Flash Flood Warning 12, NWS Pittsburgh, PA

May 28, 2000Carroll County, Columbiana County, Jefferson County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at May 28, 2000, 4:14 PM EDT for Carroll County, Columbiana County, Jefferson County, Ohio. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 28, 2000, 4:14 PM EDT (20:14 UTC)
Expired
May 28, 2000, 10:15 PM EDT
In force
6 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Carroll County, OH, Columbiana County, OH, Jefferson County, OH

The radar

The Pittsburgh radar (KPBZ), 56 km from the middle of the area, began a volume at 20:31 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 8.2 hours before the alert went out and 68 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 2000-05-28Temperature 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 2000-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.1939587897Sfc1 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
1025 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
172 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 
WGUS51 KPBZ 282015
FFWPBZ
OHC019-029-081-290215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
414 PM EDT SUN MAY 28 2000

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON COUNTY IN OHIO
  CARROLL COUNTY IN OHIO
  COLUMBIANA COUNTY IN OHIO

* UNTIL 1015 PM EDT

* AT 406 PM EDT WEATHER SERVICE RADAR INDICATED AN AREA OF VERY
  HEAVY RAIN THAT CONTINUES TO FALL OVER THESE COUNTIES. RAINFALL
  AMOUNTS HAVE BE OVER 1 INCH IN THE PAST HOURS AND MORE RAIN IS
  EXPECTED THROUGHOUT THE EVENING.

* SOME LOCATIONS AFFECTED INCLUDE...SALINEVILLE...LISBON AND
  CARROLLTON

<<CALL TO ACTION>>DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE
WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW
YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at May 28, 2:54 PM EDT, 1 hour 20 minutes earlier.

Area forecast discussion, May 28, 2:54 PM EDT, 1 hour 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
254 PM EDT MAY 28 2000

UPPER LOW CONTINUES TO MOVE SE TO CENTRAL VA BY MON AM. WILL REMAIN
IN DIFFLUENT ZN FOR AT LEAST PART OF THE NIGHT. EXPECT TO SEE
WRAPAROUND PRECIP ESPECIALLY ACROSS SRN PA AND NRN WEST VA. WITH
AREA ALREADY PRIMED WITH RAIN FROM THIS MRNG AND MORE WVS OF PRECIP
BEING GENERATED UNDER COLD UPPER LOW WILL KEEP FF WATCH AS EARLIER
ISSUED.
PRECIP COULD BE SLOW TO PULL OUT IN MORNING ESP SRN TIERS. COULD
ALSO BE LINGERING DRIZZLE ESP IN OUR NRN TIER. WEAK RIDGE
BETWEEN LOW OFF MID ATLANTIC AND LOW IN THE PLAINS BUILDS DOWN AND
MAY PROVIDE SOME DRYING FOR MEMORIAL DAY AFTN. FLOW TURNS TO SW
LATER ON TUES WITH MODELS TRYING TO GENERATE OVERRUNNING PRCIP TO NW
IN NRN OH. FOR NOW WILL LEAVE OUT OF FA COUNTING ON BUILDING RIDGE
AND WHATEVER IS GENERATED TO MOVE TO THE NE.
TEMPS SIMILAR TO MOS THOUGH MAY DROP A TAD FOR TNGTS MINS.

.PBZ...FFA TIL 10 PM
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ020-021-029>032-
WVZ001>004-012-021>023-041-282157-

In the hours before

Special weather statement, May 28, 11:07 AM EDT, 5 hours 7 minutes before
SEVERE WEATHER POTENTIAL OUTLOOK
NATIONAL WEATHER SERVICE PITTSBURGH PA
1107 AM EDT SUN MAY 28 2000

MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-282200-
ALLEGHENY PA-ARMSTRONG PA-BEAVER PA-BELMONT OH-BROOKE WV-BUTLER PA-
CARROLL OH-CLARION PA-COLUMBIANA OH-COSHOCTON OH-FAYETTE PA-
FOREST PA-GARRETT MD-GREENE PA-GUERNSEY OH-HANCOCK WV-HARRISON OH-
INDIANA PA-JEFFERSON OH-JEFFERSON PA-LAWRENCE PA-MARION WV-
MARSHALL WV-MERCER PA-MONONGALIA WV-MONROE OH-MUSKINGUM OH-NOBLE OH-
OHIO WV-PRESTON WV-TUCKER WV-TUSCARAWAS OH-VENANGO PA-WASHINGTON PA-
WESTMORELAND PA-WETZEL WV-
1107 AM EDT SUN MAY 28 2000

...RISK OF SEVERE WEATHER THIS AFTERNOON...

THERE IS A RISK OF SEVERE THUNDERSTORMS...PRIMARILY FOR
EAST CENTRAL OHIO...SOUTH OF INTERSTATE 70...AND FOR NORTHERN WEST
VIRGINIA.

THE PRIMARY THREAT WILL BE LARGE HAIL...BUT DAMAGING WIND CANNOT BE
RULED OUT.

AREAS FURTHER NORTH...FROM STEUBENVILLE TO PITTSBURGH NORTHWARD...MAY
HAVE A FEW THUNDERSTORMS...BUT THEY ARE NOT EXPECTED TO BE SEVERE.

A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH 10 PM TONIGHT FOR MUCH
OF SOUTHWEST PENNNSYLVANIA...NORTHERN WEST VIRGINIA AND GARRETT
COUNTY MARYLAND DUE TO POSSIBLE HEAVY RAINS ASSOCIATED WITH THESE
THUNDERSTORMS.

SKYWARN ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 3:38 PM EDTFlash Flood WarningPBZCoshocton, Harrison, Tuscarawas6 hr

Nearby

Flash Flood Warnings in Ohio, 2000Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.