Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 2, NWS Wilmington, OH

January 24, 1996Hocking County, Ross County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jan 24, 1996, 3:28 AM EST for Hocking County, Ross County, Ohio. It was in force for 5 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: Jan 24, 1996, 3:28 AM EST (08:28 UTC)
Expired: Jan 24, 1996, 8:00 AM EST
In force: 5 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Hocking County, OH, Ross County, OH

The radar

The Cincinnati radar (KILN), 91 km from the middle of the area, began a volume at 08:29 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, 8.5 hours before the alert went out and 89 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 661 m above ground
0-6 km bulk shear: 88 kt
0-1 km storm-relative helicity: 431 m²/s²
0-3 km storm-relative helicity: 471 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 240828
FFWILN
KYC023-135-161-OHC073-141-131-145-001-015-241300-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
328 AM EST WED JAN 24 1996
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  800 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH KENTUCKY
 
   ...LEWIS COUNTY...MASON COUNTY...BRACKEN COUNTY
 
IN OHIO
 
   ...HOCKING COUNTY...ROSS COUNTY...PIKE COUNTY...SCIOTO COUNTY...
   ...ADAMS COUNTY...BROWN COUNTY
 
AS OF 315 AM...RAIN CONTINUES TO FALL ACROSS SOUTHCENTRAL OHIO AND
NORTHERN KENTUCKY. WITH FLOODING PROBLEMS ALREADY OCCURRING...FLOODING
WILL ONLY GET WORSE THIS MORNING. THEREFORE THE FLOOD WARNINGS FOR SMALL
STREAMS AND CREEKS HAVE BEEN UPGRADED TO FLASH FLOOD WARNINGS.
 
NEVER DRIVE YOUR CAR INTO A FLOODED ROADWAY. YOU CAN EASILY
BECOME STRANDED OR TRAPPED. 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.
 
FARINA

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 Jan 23, 8:07 PM EST, 7 hours 21 minutes earlier.

Area forecast discussion, Jan 23, 8:07 PM EST, 7 hours 21 minutes before

FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
800 PM EST TUE JAN 23 1996

SAT SHOWING ENHANCED MB LEAF PUSHING NE THROUGH NW OH.  SOME MORE
ENHANCEMENT IN SE IND/SW OH CORRESPONDS WELL WITH BACK EDGE OF PPT ON
KIND RADAR.  FEEL THAT THIS BACK EDGE WILL PUSH THROUGH SW AND CENTRAL
OH BY 03Z OR SO.  THUS WE MAY JUST BE LEFT WITH SCAT RWS TIL THE FROPA
TOM AM.  PPT PRODUCTS ON KILN RADAR ARE BEING CONTAMINATED BY BRIGHT
BANDING.. ACTUAL OBS SHOWING LESS THAN .50" HAS FALLEN SO FAR.  BUT
WILL STILL HAVE TO MONITOR FOR FLOODING.

ETA/NGM/AVN ALL SHOW PRE 12Z FROPA CVG AND A SLIGHTLY POST 12Z
FROPA CMH AREA.  SFC OBS SHOWING A BREIF PD OF SLEET/SW SHOWERS AFTER
THE FRONT MUCH LIKE WE HAD LAST THURSDAY.  THERE MAY BE A BREAK IN THE
CLOUDS TOM AM BEFORE WRAP AROUND COMES IN GIVING CHC SWS SW OH AND OCNL
SWS COH.  HIGHS TOM NOT MUCH MORE THAN THE AM MIN. SKIES CLEAR TOM NIGHT
ONLY TO GIVE WAY TO INCR HIGH CLOUDS BEFORE DAWN PREVENTING FULL RAD
COOLING.  HIGH CLOUDS RACING IN ON THU SHOULD MITIGATE GOOD TEMP RISES..
SO FEEL ONLY A MODERATE RISE FROM MINS LIKELY AS CLOUDS THICKEN THU.

UP TO THIS POINT MOS/FAN NUMBERS ARE OK.. IM A BIT COOLER WED NIGHT
HOWEVER AS I THINK THE AIR BEHIND THE FRONT MAY BE UNDERESTIMATED AND
IM COOLER ON THURSDAY DUE TO THICK HIGH CLOUDS CUTTING DOWN THE
HEATING.

LONG RANGE INDICATES (USING THE MRF.. AS IT HAS THE SMOOTHEST
TRANSITION FROM THE 48/60 HOUR PANELS..) SHOWS THE NEXT SYSTEM TO
PRODUCE SNOW FROM WAA AND SOME PVA THU NIGHT BUT END EARLY FRI.
SEEMS THE 850 LOW AND 500 VORT PASSES NORTH SO AM NOT LOOKING FOR A
PARTICULARLY BAD WINTER WX EVENT BUT FEEL SOME MIXING WITH ZR/R S OH
POSSIBLE PRIOR TO FRI AM.  COLD AIR FOLLOWS ON FRIDAY WITH CLEARING
..BUT SOME CLOUDS WITH A WEAK TROF APPCHG ON SAT.

                     (EXTENDED NUMBERS)
CMH 36/38/16/30 +400  (25/30/12/23/15)
DAY 28/30/16/27 +402  (24/29/10/23/16)
CVG 28/32/16/30 +302  (25/30/12/26/18)

MANOUSOS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 24, 3:28 AM EST	Flash Flood Warning	ILN	Adams, Scioto	5 hr
Jan 24, 3:28 AM EST	Flash Flood Warning	ILN	Brown	5 hr
Jan 24, 3:28 AM EST	Flash Flood Warning	ILN	Pike	5 hr

Nearby

Flash Flood Warnings in Ohio, 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.