Alert archive / Kentucky / Flash Flood Warnings in 1997

Flash Flood Warning 30, NWS Wilmington, OH

March 18, 1997Grant County, Kentucky

NWS Wilmington, OH issued this flash flood warning at Mar 18, 1997, 8:56 AM EST for Grant County, Kentucky. 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
Mar 18, 1997, 8:56 AM EST (13:56 UTC)
Expired
Mar 18, 1997, 1:00 PM EST
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Grant County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 1.9 hours before the alert went out and 112 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, Cncnati-Daytn, OH at 12:00Z on 1997-03-18Temperature 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, Cncnati-Daytn, OH at 12:00Z on 1997-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
480 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
210 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 181358
FFWILN
KYC081-181800-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
856 AM EST TUE MAR 18 1997
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  100 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH KENTUCKY
 
   ...GRANT COUNTY
 
AT 855 AM EST...AREAS OF HEAVY RAIN WERE CONTINUING TO FALL OVER
SOUTHERN GRANT COUNTY IN KENTUCKY. RADAR ESTIMATED THAT FROM 0.75 TO ONE
INCH HAD FALLEN OVER THE AREA SINCE 800 AM EST. PERIODS OF HEAVY RAIN
CAN BE EXPECTED TO LAST THROUGHOUT THE DAY...WITH FLASH FLOODING
POSSIBLE.
 
NEVER DRIVE YOUR CAR INTO A FLOODED ROADWAY. YOU CAN EASILY
BECOME STRANDED OR TNRAPPED. THE DEPTH OF WATER IS NOT ALWAYS
OBVIOUS. IF YOU ARE UNSURE ABOUT THE ROAD CONDITION OR THE WATER
LEVEL AHEAD OF YOU...TURN AROUND AND TAKE ANOTHER ROUTE.
 
DIAN

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 Mar 18, 2:38 AM EST, 6 hours 18 minutes earlier.

Area forecast discussion, Mar 18, 2:38 AM EST, 6 hours 18 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
237 AM EST TUE MAR 18 1997

06Z SFC ANALYSIS INDICATED A LOW ACROSS OK WITH A FRONTAL SYSTEM ACROSS
THE NRN OH VLY...VC LIMA ATTM.  AREA 88D'S AND LDS CHARTS SHOW TSRA
DEVELOPING ACROSS SRN IL-IN.  THIS WAS OCCURING IN AREA OF STRONG UPPER
DIVERGENCE AS SHOWN BY MODELS.  MODELS FCST STRONG DIV INTO CVG AREA BY
12Z...SO XPCT TSRA THERE.

MODELS AGREE ON TRACKING THE LOW FURTHER S AND KEEPING SIGNIFICANT
PRECIP OUT OF WEST-CENTRAL OH.  PRECIP SHOULD BE RN FOR MOST OF THE AM
AND THEN MAY SWITCH TO SN DURING THE PM.  AT MOST 1-2 INCHES OF SN
POSSIBLE.  MAY EVEN BE A SWITCHOVER FOR REST OF AREAS N OF 1-70 TOWARD
00Z. A QUICK INCH POSSIBLE THERE...BUT DAY SHIFT CAN WORRY ABOUT THAT.

SECOND CONCERN IS PRECIP AMOUNTS ACROSS THE SRN FA.  MODELS SHOW BEST
LIFT...PRECIP WATER...AND UPPER DIV ALONG THE OH RIVER TODAY.  MODEL
QPF'S MAY BE UNDERDONE IF THE TSRA PERSISTS.  HOWEVER...FLOODING SHOULD
NOT BE A PROBLEM DAY-CMH AND NWD.  WITH THE TSRA EXPECTED TO MOVE ACROSS
SRN OH WL STICK WITH FLOOD WATCH THERE...COORD WITH CLE.

PRECIP ENDS TONIGHT AROUND 00Z VC LIMA...06Z VC DAY-CMH AND 12Z CVG AND
PORTSMOUTH.

CVG 50/34l/52 ++2
DAY 46/32/50 ++1
CMH 46/32/49 ++1

WILKINSON

In the hours before

Special weather statement, Mar 18, 4:08 AM EST, 4 hours 48 minutes before
OHZ015-016-181500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
408 AM EST TUE MAR 18 1997

...WINTER STORM WATCH NO LONGER IN EFFECT FOR PAULDING AND PUNTNAM
   COUNTIES IN WEST-CENTRAL OHIO...

THE STORM SYSTEM THAT WAS EXPECTED TO CAUSE SIGNIFICANT SNOWFALL ACROSS
WEST-CENTRAL OHIO IS NOW EXPECTED TO TRACK FURTHER SOUTH.  RAIN WILL
DEVELOP ACROSS THE AREA THIS MORNING AND A CHANGEOVER TO SNOW IS
POSSIBLE BY THIS AFTERNOON.  ACCUMULATIONS COULD REACH FROM 1-2 INCHES
IN SPOTS.

STAY TUNED TO NOAA WEATHER RADIO AND THE LOCAL AND CABLE MEDIA FOR
FURTHER UPDATES.

WILKINSON
Special weather statement, Mar 18, 4:09 AM EST, 4 hours 47 minutes before
OHZ015-016-181500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
408 AM EST TUE MAR 18 1997

...WINTER STORM WATCH NO LONGER IN EFFECT FOR PAULDING AND PUNTNAM
   COUNTIES IN WEST-CENTRAL OHIO...

THE STORM SYSTEM THAT WAS EXPECTED TO CAUSE SIGNIFICANT SNOWFALL ACROSS
WEST-CENTRAL OHIO IS NOW EXPECTED TO TRACK FURTHER SOUTH.  RAIN WILL
DEVELOP ACROSS THE AREA THIS MORNING AND A CHANGEOVER TO SNOW IS
POSSIBLE BY THIS AFTERNOON. P ACCUMULATIONS COULD REACH FROM 1-2 INCHES
IN SPOTS.

STAY TUNED TO NOAA WEATHER RADIO AND THE LOCAL AND CABLE MEDIA FOR
FURTHER UPDATES.

WILKINSON

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 9:24 AM ESTFlash Flood WarningILNRobertson4 hr

Nearby

Flash Flood Warnings in Kentucky, 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.