Alert archive / Ohio / Flash Flood Warnings in 2002

Flash Flood Warning 24, NWS Wilmington, OH

May 8, 2002Adams County, Pike County, Ross County, Ohio

NWS Wilmington, OH issued this flash flood warning at May 8, 2002, 11:21 AM EDT for Adams County, Pike County, Ross County, Ohio. It was in force for 114 min. 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 8, 2002, 11:21 AM EDT (15:21 UTC)
Expired: May 8, 2002, 1:15 PM EDT
In force: 114 min
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Adams County, OH, Pike County, OH, Ross County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 3.4 hours before the alert went out and 303 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: 1130 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 69 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 
WGUS51 KILN 081521
FFWILN
OHC001-131-141-081715-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
1119 AM EDT WED MAY 8 2002

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ROSS COUNTY IN CENTRAL OHIO...
  PIKE COUNTY IN SOUTH CENTRAL OHIO...
  ADAMS COUNTY IN SOUTH CENTRAL OHIO...

* UNTIL 115 PM EDT...

* WEATHER SERVICE RADAR INDICATED THAT AN INCH OR MORE OF RAIN HAS 
  FALLEN IN PORTIONS OF ADAMS COUNTY SINCE 10 AM. THIS HEAVY RAIN 
  WILL ALSO MOVE INTO ROSS AND PIKE COUNTIES...WHICH BOTH 
  EXPERIENCED VERY HEAVY RAIN YESTERDAY. 

* SOME LOCATIONS IN THE WARNING AREA INCLUDE...
  BAINBRIDGE...
  CHILLICOTHE...
  PEEBLES...
  PIKETON...
  SEAMAN...
  WAVERLY...
  WEST UNION...

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.

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 8, 10:35 AM EDT, 46 minutes earlier.

Area forecast discussion, May 8, 10:35 AM EDT, 46 minutes before

AREA FORECAST DISCUSSION...CORRECTED WATCH GROUPING
NATIONAL WEATHER SERVICE WILMINGTON OH
1035 AM EDT WED MAY 8 2002

...WENT AHEAD AND EXTENDED FLOOD WATCH FARTHER E ACROS S CNTRL OH...

AREA RADARS SHWG PCPN ACRS SWRN PORTIONS OF FA. IR SAT PIX SHWG A
GNRL WARMG OF CLD TOPS ALTHO SOME MINOR ENHANCEMENT CONTG WITH BATCH
OF PCPN NEAR CVG. LTST SFC ANLYS SHWG BNDRY ACRS FAR SRN PORTION OF
FA WITH PCPN TYING TO FILL IN ACRS PARTS OF NE KY. THIS SHOULD CONT
TO LIFT OFF TO THE N AND E AS BNDRY BEGINS TO PUSH N THRU THIS AFTN.
WL MAKE SOME TWEAKS TO CRNT FCST TO ADJUST TIMING BUT CONT WITH
FLOOD WATCH AS IS FOR NOW. WL HAVE TO RE EVALUATE FFA ONCE CURRENT
BATCH OF PCPN ACRS SW PORTION OF FA MOVS OUT. TEMPS CRNTLY ON THE
COOL SIDE WITH CLDS AND BNDRY TO OUR S. HOWEVER...WITH BNDRY PROGD
TO LIFT N TDA AND WIDESPRD PCPN ENDING...STILL XPCT TO SEE TMPS
WARMUP THIS AFTN BUT WL OPEN UP A BIT OF A RANGE IN THE S TO ALLOW
FOR MORE OF A TEMP SPREAD.

ILN...FLOOD WATCH FOR WEDNESDAY
       INZ050-058-059-066-073>075-080
       KYZ089>098
       OHZ042-051>053-060>062-070>073-077>082-088

LOTT

In the hours before

Special weather statement, May 8, 10:30 AM EDT, 51 minutes before

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-082000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1030 AM EDT WED MAY 8 2002

A LOW PRESSURE CENTER WILL MOVE EAST FROM THE CENTRAL PLAINS INTO
THE UPPER MISSISSIPPI VALLEY BY THIS EVENING. THE APPROACH OF
THE LOW...WILL MOVE A STATIONARY FRONT THAT IS LOCATED SOUTH OF THE
OHIO RIVER THIS MORNING...TO THE NORTH AS A WARM FRONT TODAY.

SHOWERS AND THUNDERSTORMS ARE FORECAST TO DEVELOP ALONG AND BEHIND
THE WARM FRONT AS IT CROSSES THE REGION.  IN THE WARM UNSTABLE
AIR BEHIND THE FRONT...THERE EXISTS THE POTENTIAL FOR DAMAGING WIND
AND HAIL FROM SOME OF THE STRONGER THUNDERSTORMS.

THEREFORE THE STORM PREDICTION CENTER HAS PLACED MUCH OF THE REGION
IN A SLIGHT RISK FOR SEVERE THUNDERSTORMS TODAY.   SPOTTER ACTIVATION
MAY BE REQUIRED TODAY.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER MEDIA OUTLETS FOR FURTHER
DETAILS OR UPDATES.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 9:37 AM EDT	Flash Flood Warning	ILN	Butler, Hamilton	113 min
May 8, 10:23 AM EDT	Flash Flood Warning	ILN	Clermont	112 min
May 8, 10:49 AM EDT	Flash Flood Warning	ILN	Brown, Highland	116 min

Nearby

Flash Flood Warnings in Ohio, 2002 Every flash flood warning in 2002

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.