Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 166, NWS Pittsburgh, PA

July 4, 1998Guernsey County, Noble County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Jul 4, 1998, 10:59 AM EDT for Guernsey County, Noble County, Ohio. It was in force for 1 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 4, 1998, 10:59 AM EDT (14:59 UTC)
Expired
Jul 4, 1998, 11:00 AM EDT
In force
1 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Guernsey County, OH, Noble County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 3.0 hours before the alert went out and 129 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 1998-07-04Temperature 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 1998-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
1395 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 4, 5:15 AM EDT, 5 hours 44 minutes before
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-041300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
515 AM EDT SAT JUL 4 1998

...THUNDERSTORMS WILL PRESENT A HAZARD FOR FOURTH OF JULY OUTDOOR
ACTIVITIES TODAY...

A COLD FRONT WILL MOVE FROM WEST TO EAST ACROSS THE REGION TODAY.
SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THIS FRONT MAY PUT A
DAMPER ON FOURTH OF JULY OUTDOOR ACTIVITIES THIS AFTERNOON AND EARLY
EVENING ACROSS EAST CENTRAL OHIO...WESTERN PENNSYLVANIA...NORTHERN
WEST VIRGINIA...AND NORTHERN MARYLAND.

ALTHOUGH THESE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LEVELS
TODAY...THEY WILL STILL BE CAPABLE OF PRODUCING BRIEF HEAVY
DOWNPOURS...GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING.  WITH SO
MANY PEOPLE ACROSS THE AREA PLANNING OUTDOOR ACTIVITIES TODAY...
LIGHTNING WILL REPRESENT THE GREATEST HAZARD.

REMEMBER...IF YOU ARE OUTSIDE AND SEE A THUNDERSTORM APPROACHING
MOVE TO A STURDY BUILDING.  DO NOT TAKE SHELTER IN SMALL SHEDS OR
UNDER ISOLATED TREES.  IF LIGHTNING IS OCCURRING AND A STURDY SHELTER
IS NOT AVAILABLE...GET INSIDE A HARD TOP AUTOMOBILE AND KEEP THE
WINDOWS UP.  IF YOU ARE SWIMMING OR BOATING...GET TO LAND AND FIND
SHELTER IMMEDIATELY.

STRAGER
Special weather statement, Jul 4, 5:15 AM EDT, 5 hours 44 minutes before
MDZ001-OHZ039>041-048>050-057>059-068-069-PAZ007>009-013>016-020>023-
029>032-WVZ001>004-012-021>023-041-041300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
515 AM EDT SAT JUL 4 1998

...THUNDERSTORMS WILL PRESENT A HAZARD FOR FOURTH OF JULY OUTDOOR
ACTIVITIES TODAY...

A COLD FRONT WILL MOVE FROM WEST TO EAST ACROSS THE REGION TODAY.
SHOWERS AND THUNDERSTORMS ASSOCIATED WITH THIS FRONT MAY PUT A
DAMPER ON FOURTH OF JULY OUTDOOR ACTIVITIES THIS AFTERNOON AND EARLY
EVENING ACROSS EAST CENTRAL OHIO...WESTERN PENNSYLVANIA...NORTHERN
WEST VIRGINIA...AND NORTHERN MARYLAND.

ALTHOUGH THESE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LEVELS
TODAY...THEY WILL STILL BE CAPABLE OF PRODUCING BRIEF HEAVY
DOWNPOURS...GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING.  WITH SO
MANY PEOPLE ACROSS THE AREA PLANNING OUTDOOR ACTIVITIES TODAY...
LIGHTNING WILL REPRESENT THE GREATEST HAZARD.

REMEMBER...IF YOU ARE OUTSIDE AND SEE A THUNDERSTORM APPROACHING
MOVE TO A STURDY BUILDING.  DO NOT TAKE SHELTER IN SMALL SHEDS OR
UNDER ISOLATED TREES.  IF LIGHTNING IS OCCURRING AND A STURDY SHELTER
IS NOT AVAILABLE...GET INSIDE A HARD TOP AUTOMOBILE AND KEEP THE
WINDOWS UP.  IF YOU ARE SWIMMING OR BOATING...GET TO LAND AND FIND
SHELTER IMMEDIATELY.

STRAGER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 10:59 AM EDTFlash Flood WarningPBZCoshocton1 min

Nearby

Flash Flood Warnings in Ohio, 1998Every flash flood warning in 1998

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.