Alert archive / Indiana / Flash Flood Warnings in 1996

Flash Flood Warning 36, NWS Wilmington, OH

May 4, 1996Fayette County, Indiana

NWS Wilmington, OH issued this flash flood warning at May 4, 1996, 1:35 AM EST for Fayette County, Indiana. 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: May 4, 1996, 1:35 AM EST (06:35 UTC)
Expired: May 4, 1996, 4:30 AM EST
In force: 3 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

County Fayette County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 06:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.6 hours before the alert went out and 121 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: 298 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1273 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 143 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 040638
FFWILN
INC041-040930-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
235 AM EDT (135 AM EST) SAT MAY 4 1996
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  530 AM EDT (430 AM EST)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL INDIANA
 
   ...FAYETTE COUNTY
 
AT 235 AM EDT (135 AM EST) NATIONAL WEATHER SERVICE RADAR INDICATED
THAT BETWEEN 1 AND 1.5 INCHES OF RAIN HAD FALLEN OVER THE NORTHWESTERN
PARTS OF THE COUNTY. HEAVY RAIN IS EXPECTED TO CONTINUE FOR MUCH OF THE
OVERNIGHT HOURS AND FLOODING IS LIKELY TO OCCUR.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
WILKINSON

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 May 3, 7:35 PM EST, 6 hours earlier.

Area forecast discussion, May 3, 7:35 PM EST, 6 hours before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
835 PM EDT FRI MAY 3 1996

LTST SFC ANLYS SHWS LO PRES OVR XTRM SRN ONT WITH TRAILING CDFNT
FM N CNTRL OH THRU CNTRL IN...SRN IL AND CNTRL MO. SCTD SHWRS AND ISO
TSTMS HV DVLPD IN ERN IN AND WRN OH. 1/2 INCH HAIL WAS CORRELATED
WITH VIL OF 35 G/KG IN NRN DEARBORN CTY. WE THINK VIL OF DAY IS
ARND 38. THIS CNVTN HS WEAKENED IN PAST HR. ATTENTION FOCUSES ON AREA
OF STG CNVTN WHICH HS DVLPD JUST N OF E-W BNDRY OVR SRN IL WHERE BEST
UPR SUPP AND WAA EXISTS. XPCT TSTM COMPLEX TO SLIDE E INTO SRN OH
AND NRN OH WITH GOOD UPR DIV AND H8 CNVRGC WORKING INTO WRN FA TWD
06Z. ILN EVE SOUNDING SHWS CAPE ARND 1500 J/KG...LI=-4 AND FVRBL WBZ
FOR LRG HAIL ARND 7000 FT. XPCT FNT FNTL BNDRY TO LAY OUT E-W PARALLEL
TO UPR FLO ACRS OH VLY. XPCT CNVTN TO DIMINISH LT TNGT WITH ANOTHER
ENHANCED CHC OF TSTM SAT AFTN ACRS SRN OH AND NRN KY. RECENT RAINS HV
RIVERS RUNNING HI AND CTY FFG IS ARNDN 1/2 INCH PER HR. WL CONT FLOOD
POTENTIAL OUTLOOK WITH HIGHLIGHT OVR SRN OH/SE IN/NRN KY AREA.

RANDALL

In the hours before

Special weather statement, May 4, 12:28 AM EST, 1 hour 7 minutes before

OHZ078-079-081-082-088-KYZ090>100-040900-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
125 AM EDT SAT MAY 4 1996

...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR PORTIONS OF EXTREME
SOUTHERN OHIO AND PARTS OF NORTHERN AND EASTERN KENTUCKY UNTIL 5 AM
EDT...

SEVERE THUNDERSTORMS THAT HAVE BEEN AFFECTING PORTIONS OF SOUTHWEST
OHIO...SOUTHEAST INDIANA AND NORTHERN KENTUCKY WILL MOVE EAST INTO THE
ABOVE MENTIONED AREAS. EXPECT DAMAGING WINDS AND LARGE HAIL TO
ACCOMPANY THESE STORMS.

PEOPLE LIVING IN THESE AREAS SHOULD PAY CLOSE ATTENTION TO WEATHER
DEVELOPMENTS AS THESE STORMS APPROACH. BE READY TO MOVE TO SHELTER IF
SEVERE WEATHER IS OBSERVED OR A WARNING IS ISSUED FOR YOUR AREA.

DISTEFANO

Local storm report, May 4, 12:40 AM EST, 55 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
139 AM EDT SAT MAY 04 1996

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

100 AM        COUNTYWIDE            OH        NUMEROUS TREES DOWN
05/04/96      BROWN                           SOME IN 3-4 MILE PATH
                                              POWER WIRES DOWN

1212 AM        PENDLETON            KY        .75 INCH HAIL
05/04/96       COUNTY
                                              NUMEROUS LARGE TREES
                                              DOWN

WILKINSON

Local storm report, May 4, 12:50 AM EST, 45 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
148 AM EDT SAT MAY 04 1996

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

100 AM          AUGUSTA
05/05/96        BRACKEN CO          KY          WIND DAMAGE
                                                NUMEROUS LARGE TREES
                                                DOWNED

100 AM          AUGUSTA                         WIND DAMAGE
05/04/96        BRACKEN CO          KY          FLAG POLE BENT BY WINDS

WILKINSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 9:29 PM EST	Flash Flood Warning	ILN	Ohio, Switzerland	61 min
May 3, 10:27 PM EST	Flash Flood Warning	ILN	Dearborn, Ohio	3 hr
May 3, 10:27 PM EST	Flash Flood Warning	ILN	Switzerland	3 hr
May 4, 2:23 AM EST	Flash Flood Warning	ILN	Union, Wayne	3 hr
May 4, 12:50 PM EST	Flash Flood Warning	ILN	Union, Wayne	4 hr
May 4, 1:35 PM EST	Flash Flood Warning	ILN	Fayette, Franklin	2 hr
May 4, 2:35 PM EST	Severe Thunderstorm Warning	ILN	Switzerland	10 min

Nearby

Flash Flood Warnings in Indiana, 1996 Every flash flood warning in 1996

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; radar from the NEXRAD Level II archive.