Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 79, NWS Pittsburgh, PA

August 17, 1997Belmont County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Aug 17, 1997, 11:46 PM EDT for Belmont County, Ohio. It was in force for 4 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
Aug 17, 1997, 11:46 PM EDT (03:46 UTC)
Expired
Aug 18, 1997, 4:00 AM EDT
In force
4 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Belmont County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 3.8 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-pSkew-T log-p diagram, Pittsburgh, PA at 00:00Z on 1997-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 887 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 1997-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 square meters per square second.193958Sfc1 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
887 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
547 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIT 180347
FFWPIT
OHC013-180800-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
1146 PM EDT SUN AUG 17 1997
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 400 AM EDT
FOR THE FOLLOWING LOCATION...
 
IN EAST CENTRAL OHIO
 
   ...BELMONT COUNTY
 
RAINFALL TOTALS THROUGHOUT SEVERAL SPOTS IN BELMONT COUNTY HAVE REACHED
LEVELS HIGH ENOUGH TO CAUSE STREAMS AND CREEKS TO GO OUT OF THEIR BANKS.
THE SOUTHERN PART OF THE COUNTY HAS RECEIVED THE MOST AMOUNT OF RAIN.
ADDITIONAL RAIN INTO THE EARLY MORNING HOURS WILL CAUSE STREAMS AND
CREEKS TO FLOOD. STREET AND BASEMENT FLOODING WILL ALSO OCCUR.
 
BE CAREFUL AT NIGHT WHEbN IT IS HARDER TO RECOGNIZE THE DANGER OF
FLOODS.  IF YOU GET ANY INDICATION THAT FLOODS ARE
APPROACHING...QUICKLY  MOVE UP TO ESCAPE FLOOD WATERS.  DO NOT STAY
IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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

Local storm report, Aug 17, 6:55 PM EDT, 4 hours 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
655 PM EDT SUN AUG 17 1997

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

0900 PM    WASHINGTON                PA   WIND DAMAGE
08/16/97   WASHINGTON                     FEW TREES DOWNED. SHED
                                          DESTROYED.

0405 PM    VALLEY GROVE              WV   WIND DAMAGE
08/17/97   OHIO                           TREE DOWN

0415 PM    OAKLAND                   MD   WIND DAMAGE
08/17/97   GARRETT                        TREES DOWN.

0500 PM    WHEELING                  WV   WIND DAMAGE
08/17/97   OHIO                           TREE DOWN.

0500 PM    FAIRVIEW                  OH   WIND DAMAGE
08/17/97   GUERNSEY                       TREES DOWN.
Local storm report, Aug 17, 6:57 PM EDT, 4 hours 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PITTSBURGH PENNSYLVANIA
655 PM EDT SUN AUG 17 1997

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

0900 PM    WASHINGTON                PA   WIND DAMAGE
08/16/97   WASHINGTON                     FEW TREES DOWNED. SHED
                                          DESTROYED.

0405 PM    VALLEY GROVE              WV   WIND DAMAGE
08/17/97   OHIO                           TREE DOWN

0415 PM    OAKLAND                   MD   WIND DAMAGE
08/17/97   GARRETT                        TREES DOWN.

0500 PM    WHEELING                  WV   WIND DAMAGE
08/17/97   OHIO                           TREE DOWN.

0500 PM    FAIRVIEW                  OH   WIND DAMAGE
08/17/97   GUERNSEY                       TREES DOWN.

Nearby

Flash Flood Warnings in Ohio, 1997Every flash flood warning in 1997

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.