Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 110, NWS Wilmington, OH

August 16, 1997Putnam County, Ohio

NWS Wilmington, OH issued this flash flood warning at Aug 16, 1997, 8:01 PM EDT for Putnam County, Ohio. It was in force for 3 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 16, 1997, 8:01 PM EDT (00:01 UTC)
Expired
Aug 16, 1997, 10:55 PM EDT
In force
3 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Putnam County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.0 hours before the alert went out and 179 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 00:00Z on 1997-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3666 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1997-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
3666 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
2.5
Supercell composite
14.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 170003
FFWILN
OHC137-170255-

BULLETIN
FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
801 PM EDT SAT AUG 16 1997

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS ISSUED A
FLOOD WARNING FOR SMALL STREAMS EFFECTIVE UNTIL 1055 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN OHIO

   ...PUTNAM COUNTY
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THAT RAINFALL
AMOUNTS FROM RECENT THUNDERSTORMS HAVE EXCEEDED THREE INCHES IN
SOME LOCATIONS ACROSS NORTH-CENTRAL PUTNAM COUNTY. ADDITIONAL
RAINFALL IS EXPECTED AS MORE THUNDERSTORMS WILL TRACK ACROSS THE
NORTHERN PORTION OF THE COUNTY. FLOODING WILL AFFECT MUCH OF THIS
AREA...INCLUDING LOCATIONS NEAR THE TOWN OF OTTAWA. 

DO NOT DRTIVE 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.

DISTEFANO

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 Aug 16, 2:47 PM EDT, 5 hours 14 minutes earlier.

Area forecast discussion, Aug 16, 2:47 PM EDT, 5 hours 14 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
245 PM EDT SAT AUG 16 1997

LATEST SAT IMAGERY SHOWING CU DEVELOPING ACROSS FA UNDER VERY UNSTABLE
CONDITIONS. 17Z SFC RUC INDICATES BEST LLVL CONVERGENCE ACROSS FRNTL
BDRY IN SRN MI AND EXTENDING INTO NW IN. THUS...PRIMARY FOCUS FOR TSRA
THREAT THIS AFTERNOON/EVENING WILL BE NW PORTION OF FA.

BOTH THE ETA AND NGM FAIRLY SIMILAR THROUGHOUT 42H. THE MAIN FRNTL BDRY
THAT IS POSITIONED ACROSS NRN MI...SWRD THROUGH SRN WI AND ON INTO THE
CTRL PLAINS WILL BEGIN TO MOVE INTO ILN'S FA TOMORROW. THE MODELS BEGIN
TO DRAW THE FOCUS ACROSS THE SRN AND CTRL PORTION OF FA AT THAT TIME AS
30-40 KT 85H JET BEGINS TO BECOME ESTABLISHED TO OUR SW. THIS JET WILL
FOCUS AREA OF LLVL CONVERGENCE ACROSS SRN OH...SE IN AND NRN KY
BEGINNING TONIGHT AND LASTING INTO TOMORROW NIGHT. CONVERGENCE ALONG
THE SFC FRNTL BDRY WILL BE ENHANCED AS A SFC WAVE BECOMES SOMEWHAT
ORGANIZED AND MOVES ENE A4LONG THE BDRY TOMORROW. WDSPRD TS ACTIVITY
SHOULD BE THE RULE FOR TOMORROW IN AREAS ALONG THIS BDRY.

CVG 76/87/65/79 356
DAY 74/85/62/77 475
CMH 74/86/63/78 475

DISTEFANO

In the hours before

Special weather statement, Aug 16, 2:45 PM EDT, 5 hours 16 minutes before
OHZ015-016-024-170045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
245 PM EDT SAT AUG 16 1997

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EDT...

AN INTENSIFYING LINE OF THUNDERSTORMS ACROSS FAR SOUTHERN LOWER
MICHIGAN WAS EXPANDING AND MOVING EASTWARD.  DUE TO THE MOIST AND
UNSTABLE AIRMASS IN PLACE ACROSS WEST CENTRAL OHIO...A FEW STORMS
WHICH MOVE INTO THIS REGION MAY BECOME SEVERE.  THUS...A SEVERE
THUNDERSTORM WATCH HAS BEEN POSTED UNTIL 9 PM EDT FOR PARTS OF WEST
CENTRAL OHIO.  THE COUNTIES INCLUDED IN THE WATCH ARE PAULDING...
PUTNAM...AND VAN WERT.  SOME CITIES IN THE WATCH AREA ARE ANTWERP...
OTTAWA...AND VAN WERT.  THE PRIMARY THREAT FROM THESE STORMS ARE
DAMAGING WINDS AND LARGE HAIL.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL MEDIA OR CABLE STATIONS
FOR FURTHER UPDATES.

SANDLER
Special weather statement, Aug 16, 2:46 PM EDT, 5 hours 15 minutes before
OHZ015-016-024-170045-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
245 PM EDT SAT AUG 16 1997

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 9 PM EDT...

AN INTENSIFYING LINE OF THUNDERSTORMS ACROSS FAR SOUTHERN LOWER
MICHIGAN WAS EXPANDING AND MOVING EASTWARD.  DUE TO THE MOIST AND
UNSTABLE AIRMASS IN PLACE ACROSS WEST CENTRAL OHIO...A FEW STORMS
WHICH MOVE INTO THIS REGION MAY BECOME SEVERE.  THUS...A SEVERE
THUNDERSTORM WATCH HAS BEEN POSTED UNTIL 9 PM EDT FOR PARTS OF WEST
CENTRAL OHIO.  THE COUNTIES INCLUDED IN THE WATCH ARE PAULDING...
PUTNAM...AND VAN WERT.  SOME CITIES IN THE WATCH AREA ARE ANTWERP...
OTTAWA...AND VAN WERT.  THE PRIMARY THREAT FROM THESE ST0ORMS ARE
DAMAGING WINDS AND LARGE HAIL.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL MEDIA OR CABLE STATIONS
FOR FURTHER UPDATES.

SANDLER
Special weather statement, Aug 16, 4:14 PM EDT, 3 hours 47 minutes before
OHZ015-016-024>026-034-035-043>046-051>056-062>065-170215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
414 PM EDT SAT AUG 16 1997

...SEVERE THUNDERSTORM WATCH FOR PAULDING...PUTNAM AND VAN WERT
COUNTIES UNTIL 9 PM EDT...
...SEVERE THUNDERSTORM WATCH FOR THE REMAINDER OF WEST CENTRAL
OHIO...PARTS OF THE MIAMI VALLEY AND CENTRAL OHIO UNTIL 10 PM....

AN INTENSIFYING LINE OF THUNDERSTORMS ACROSS FAR SOUTHERN LOWER
MICHIGAN WAS DEVELOPING SOUTHEAST. DUE TO THE MOIST AND UNSTABLE
AIRMASS IN PLACE ACROSS THE MIAMI VALLEY...WEST CENTRAL AND CENTRAL
OHIO...A FEW STORMS MAY BECOME SEVERE. THE PRIMARY THREATS FROM
THESE STORMS ARE DAMAGING WINDS AND LARGE HAIL.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL MEDIA OR CABLE STATIONS
FOR FURTHER UPDATES.

 IT IS DANGEROUS TO BE OUTDOORS WHILE A SEVERE THUNDERSTORM IS IN
PROGRESS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE. SEEK SHELTER IN A BUILDING OR
A VEHICLE. IF YOU ARE CAUGHT IN THE OPEN...STAY AWAY FROM TOWERS
AND LARGE TREES. CROUCH NEAR THE GROUND AND COVER YOUR HEAD.

RANDALL
Special weather statement, Aug 16, 4:15 PM EDT, 3 hours 46 minutes before
OHZ015-016-024>026-034-035-043>046-051>056-062>065-170215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
414 PM EDT SAT AUG 16 1997

...SEVERE THUNDERSTORM WATCH FOR PAULDING...PUTNAM AND VAN WERT
COUNTIES UNTIL 9 PM EDT...
...SEVERE THUNDERSTORM WATCH FOR THE REMAINDER OF WEST CENTRAL
OHIO...PARTS OF THE MIAMI VALLEY AND CENTRAL OHIO UNTIL 10 PM....

AN INTENSIFYING LINE OF THUNDERSTORMS ACROSS FAR SOUTHERN LOWER
MICHIGAN WAS DEVELOPING SOUTHEAST. DUE TO THE MOIST AND UNSTABLE
AIRMASS IN PLACE ACROSS THE MIAMI VALLEY...WEST CENTRAL AND CENTRAL
OHIO...A FEW STORMS MAY BECOME SEVERE. THE PRIMARY THREATS FROM
THESE STORMS ARE DAMAGING WINDS AND LARGE HAIL.

STAY TUNED TO NOAA WEATHER RADIO...LOCAL MEDIA OR CABLE STATIONS
FOR FURTHER UPDATES.

 IT IS DANGEROUS TO BE OUTDOORS WHILE A SEVERE THUNDERSTORM IS IN
PROGRESS. DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE. SEEK SHELT*ER IN A BUILDING OR
A VEHICLE. IF YOU ARE CAUGHT IN THE OPEN...STAY AWAY FROM TOWERS
AND LARGE TREES. CROUCH NEAR THE GROUND AND COVER YOUR HEAD.

RANDALL
Local storm report, Aug 16, 7:56 PM EDT, 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
756 PM EDT SAT AUG 16 1997

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

0735 PM                              OH   1 INCH HAIL
08/16/97   PUTNAM                         QUARTER SIZED HAIL IN
                                          SOUTHEAST PUTNAM COUNTY
                                          REPORTED BY SPOTTER

DANGELO
Local storm report, Aug 16, 7:58 PM EDT, 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OHIO
756 PM EDT SAT AUG 16 1997

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

0735 PM                              OH   1 INCH HAIL
08/16/97   PUTNAM                         QUARTER SIZED HAIL IN
                                          SOUTHEAST PUTNAM COUNTY
                                          REPORTED BY SPOTTER

DANG@ELO

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 10:53 PM EDTFlash Flood WarningILNPaulding, Putnam3 hr
Aug 16, 11:47 PM EDTSevere Thunderstorm WarningILNAllen, Auglaize48 min
Aug 17, 11:13 AM EDTSevere Thunderstorm WarningILNBrown42 min
Aug 17, 11:29 AM EDTSevere Thunderstorm WarningILNAdams41 min
Aug 17, 11:47 AM EDTSevere Thunderstorm WarningILNPike, Scioto38 min
Aug 17, 12:25 PM EDTSevere Thunderstorm WarningILNPike, Scioto45 min
Aug 17, 2:17 PM EDTSevere Thunderstorm WarningILNHamilton58 min
Aug 17, 2:23 PM EDTTornado WarningILNLicking47 min
Aug 17, 2:41 PM EDTSevere Thunderstorm WarningILNBrown, Clermont64 min
Aug 17, 3:03 PM EDTSevere Thunderstorm WarningILNAdams62 min
Aug 17, 3:14 PM EDTTornado WarningILNAdams61 min
Aug 17, 3:29 PM EDTSevere Thunderstorm WarningILNPike, Scioto61 min
Aug 17, 7:17 PM EDTSevere Thunderstorm WarningILNHamilton48 min
Aug 17, 7:31 PM EDTSevere Thunderstorm WarningILNButler64 min
Aug 17, 7:31 PM EDTTornado WarningILNHamilton64 min
Aug 17, 7:49 PM EDTSevere Thunderstorm WarningILNClermont, Warren66 min

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.