Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 64, NWS Wilmington, OH

June 1, 1997Union County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jun 1, 1997, 9:18 PM EDT for Union County, Ohio. It was in force for 2 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: Jun 1, 1997, 9:18 PM EDT (01:18 UTC)
Expired: Jun 1, 1997, 11:20 PM EDT
In force: 2 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

County Union County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 1.3 hours before the alert went out and 103 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: 68 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 770 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 109 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 
TTAA00 KILN 020118
FFWILN
OHC159-020320-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
918 PM EDT SUN JUN 1 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1120 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL OHIO

   ...UNION COUNTY
 
HEAVY RAINS CONTINUE TO FALL ACROSS UNION COUNTY THIS EVENING.
DOPPLER RADAR ESTIMATES INDICATE THAT BETWEEN ONE AND TWO INCHES OF
RAIN HAS FALLEN SINCE 8 PM EDT ALONG MILL CREEK...EAST OF
MARYSVILLE.

HEAVY RAIN IS EXPECTED TO CONTINUE TO PUSH SLOWLY EAST
ACROSS UNION COUNTY THROUGH 1030 PM EDT WITH RAIN FALL RATES OF
BETWEEN ONE AND TWO INCHES PER HOUR POSSIBLE. THIS WILL RESULT IN
RAPID RISES ON AREA STREAMS....ESPECIALLY ACROSS THE EASTERN PARTS
OF THE COUNTY.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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.

LOTT

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 Wilmington, OH wrote its last area forecast discussion before this flash flood warning went out at Jun 1, 8:55 PM EDT, 23 minutes earlier.

Area forecast discussion, Jun 1, 8:55 PM EDT, 23 minutes before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
854 PM EDT SUN JUN 1 1997

EVENING SFC ANALYSIS INDICATED WK LOW PRES ACROSS THE TN VLY.  TSRA
WERE FIRING ALONG A CONVERGENCE ZONE BWTN STRONG N/NELY WINDS IN NRN OH
AND WK SELY WINDS OVR SRN FA.  NMRS REPORTS OF FLOODING HAVE BEEN
RECEIVED WITH THIS CONVECTION OVR CNTRL OH.  CONT FLASH FLOOD WATCH OVR
CNTRL OH AND FLOOD WATCH IN W-CNTRAL OH.  ACROSS SRN 1/3 FA...THTE AND
PRECIP EFFICIENCY WL REMAIN LWR AND DO NOT XPCT MUCH ACTIVITY
OVERNIGHT.

WITH H5 UPPER LOW IN PLACE OVR THE NEXT FEW DAYS XPCT MORE SCT
SHRA/TSRA TO DEVELOP ACROSS FA.

WILKINSON

In the hours before

Local storm report, Jun 1, 9:07 PM EDT, 11 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
908 PM EDT SUN JUN 01 1997

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

0850 PM    MECHANICSBURG             OH   FLOODING
06/01/97   CHAMPAIGN                      NUMEROUS ROADS CLOSED IN
                                          EASTERN PART OF COUNTY

0855 PM                              OH   FLOODING b
06/01/97   LOGAN                          SEVERAL COUNTY ROADS
                                          CLOSED DUE TO HIGH WATER
                                          IN EASTERN PART OF COUNTY

Local storm report, Jun 1, 9:08 PM EDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
908 PM EDT SUN JUN 01 1997

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

0850 PM    MECHANICSBURG             OH   FLOODING
06/01/97   CHAMPAIGN                      NUMEROUS ROADS CLOSED IN
                                          EASTERN PART OF COUNTY

0855 PM                              OH   FLOODING
06/01/97   LOGAN                          SEVERAL COUNTY ROADS
                                          CLOSED DUE TO HIGH WATER
                                          IN EASTERN PART OF COUNTY

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 1, 8:01 PM EDT	Flash Flood Warning	ILN	Madison	3 hr
Jun 1, 8:17 PM EDT	Flash Flood Warning	ILN	Logan	3 hr
Jun 1, 8:58 PM EDT	Flash Flood Warning	ILN	Gallia	5 hr
Jun 1, 9:05 PM EDT	Flash Flood Warning	ILN	Delaware	3 hr
Jun 2, 5:38 PM EDT	Severe Thunderstorm Warning	ILN	Clermont	52 min
Jun 2, 6:00 PM EDT	Flash Flood Warning	ILN	Licking	2 hr
Jun 2, 6:32 PM EDT	Flash Flood Warning	ILN	Scioto	118 min
Jun 2, 6:49 PM EDT	Flash Flood Warning	ILN	Franklin	2 hr
Jun 2, 6:53 PM EDT	Flash Flood Warning	ILN	Fairfield	2 hr
Jun 2, 7:38 PM EDT	Flash Flood Warning	ILN	Pike	112 min

Nearby

Flash Flood Warnings in Ohio, 1997 Every 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.