Alert archive / Ohio / Flash Flood Warnings in 1995

Flash Flood Warning 175, NWS Wilmington, OH

August 11, 1995Scioto County, Ohio

NWS Wilmington, OH issued this flash flood warning at Aug 11, 1995, 2:04 PM EDT for Scioto County, Ohio. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
Aug 11, 1995, 2:04 PM EDT (18:04 UTC)
Expired
Aug 11, 1995, 3:00 PM EDT
In force
56 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Scioto County, OH

The radar

The Cincinnati radar (KILN), 99 km from the middle of the area, began a volume at 18:06 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

Huntington/Tri S, WV (KHTS), launched 12:00Z, 6.1 hours before the alert went out and 65 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, Huntington/Tri S, WV at 12:00Z on 1995-08-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1959 joules per kilogram.LCLLFCEL10008507005003002001001 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, Huntington/Tri S, WV at 12:00Z on 1995-08-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1959 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
141 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KILN 111806
FFWILN
OHC145-111900-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
204 PM EDT FRI AUG 11 1995
 
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH OHIO
 
   ...SCIOTO COUNTY
 
AT 200 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS SHOWING SHOWERS
AND THUNDERSTORMS CAPABLE OF PRODUCING FLASH FLOODING...OVER EASTERN
SCIOTO COUNTY NEAR EIFORT AND SOUTH WEBSTER. RADAR ESTIMATES
OUT OF THESE STORMS ARE IN EXCESS OF 2 INCHES IN THE PAST HOUR. THESE
STORMS WILL CONTINUE TO MOVE TO THE SOUTHEAST ACROSS SCIOTO COUNTY
THROUGH 3 PM.
 
 
PEOPLE WHO ARE LIVING...HIKING...RAFTING...OR CAMPING IN FLOOD
PRONE AREAS SHOULD TAKE PRECAUTIONARY ACTIONS NOW. REMEMBER THAT
FLOODING CAN OCCUR VERY QUICKLY...EVEN IF IT IS NOT RAINING HEAVILY
IN YOUR AREA. TO ESCAPE RISING WATER...MOVE UP TO HIGHER GROUND.
 
KELLS

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 11, 9:52 AM EDT, 4 hours 12 minutes earlier.

Area forecast discussion, Aug 11, 9:52 AM EDT, 4 hours 12 minutes before
FORECAST COORDINATION MESSAGE
NATIONAL WEATHER SERVICE WILMINGTON OH
950 AM EDT FRI AUG 11 1995

VORT LOBE APPEARS TO EXTEND FM CLE-CVG.  A FEW RW HAVE BEEN STRUGGLING
NR CHILLICOTHE MOVG SE.  OTHER RW/TRW ARE FORMG ON THE E SCIOTO CO LINE
MOVG AWAY FM OUR CWA.  THE REAL STRONG STUFF CONTINUES TO FIRE IN NE OH.
OTHER STORMS WERE MOVG ACROSS WI.

VORT LOBE AXIS PROGGED TO ZIP THRU C OH THIS MORNG WITH STRONG
NVA/SUBSIDENCE BEHIND IT AS 500H RIDGE BUILDS INTO RGN.  ALTHOUGH
12Z DAY SOUNDG LOOKED OMINOUS...CAPPING INVERSIONS SHOULD DEV AND
DRIER AIR WL MOVE IN AS WELL.

BELIEVE FEW RW IN C OH WL BE GONE OR E OF CWA BY NOON.  MS SKIES
LOOKS GOOD FOR MUCH OF CWA.  WI CONVECTION COULD SEND HIGHE*R CLDS
INTO NW OH LT AFT.  WITH 85H TEMPS AT 19 DEG C TODAY THE LOWER 90S
LOOK GOOD.  MCLR TNGT WITH FOG DEV LT.

SANDLER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 11, 6:40 PM EDTFlash Flood WarningILNPike, Ross50 min
Aug 11, 7:15 PM EDTFlash Flood WarningILNPickaway75 min

Nearby

Flash Flood Warnings in Ohio, 1995Every flash flood warning in 1995

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.