Alert archive / Ohio / Flash Flood Warnings in 2005

Flash Flood Warning 12, NWS Cleveland, OH

July 16, 2005Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Jul 16, 2005, 4:38 PM EDT for Lorain 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 outline as issued.

The facts

Issued
Jul 16, 2005, 4:38 PM EDT (20:38 UTC)
Expired
Jul 16, 2005, 7:45 PM EDT
In force
3 hr
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text

County Lorain County, OH

The radar

The Cleveland radar (KCLE), 22 km from the middle of the area, began a volume at 20:38 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

Detroit, MI (KDTX), launched 12:00Z, 8.6 hours before the alert went out and 177 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, Detroit, MI at 12:00Z on 2005-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1281 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 2005-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
1281 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
52 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 KCLE 162039
FFWCLE
OHC093-162345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
438 PM EDT SAT JUL 16 2005

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LORAIN COUNTY IN NORTH CENTRAL OHIO

* UNTIL 745 PM EDT

* AT 433 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLOODING 
OF UNDERPASSES AND MAIN ROADWAYS ACROSS NORTHERN LORAIN COUNTY NEAR 
LORAIN. LAW ENFORCEMENT REPORTS THAT ENTIRE ROADWAYS ARE COVERED 
WITH SEVERAL FEET OF WATER. NATIONAL WEATHER SERVICE DOPPLER RADAR 
INDICATED THAT UP TO 3 INCHES OF RAIN FELL NEAR LORAIN AND ELYRIA 
BETWEEN 330 AND 430 PM.

* LOCATIONS WITHIN THE WARNED AREA INCLUDE...
  VERMILION...
  LORAIN...
  ELYRIA...
  AVON LAKE...
  AMHERST...

EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS...STREETS AND UNDERPASSES. DEBRIS MAY
BLOCK STORM DRAINS AND CULVERTS... CAUSING A RAPID RISE IN WATER
LEVELS NEAR THE BLOCKAGE.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. TURN AROUND...DONT DROWN

LAT...LON 4150 8198 4151 8197 4141 8198 4130 8234
      4143 8234 4144 8228 4143 8226 4148 8219
      4152 8203 4152 8200

$$

MRD
2 follow-up statements
000 
WGUS71 KCLE 162113
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
510 PM EDT SAT JUL 16 2005

OHC093-162345-
LORAIN OH-
510 PM EDT SAT JUL 16 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 745 PM EDT FOR NORTHERN
LORAIN COUNTY...

AT 505 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT 
SEVERAL ROADS AND UNDERPASSES IN THE LORAIN AND ELYRIA AREAS WERE 
UNDER SEVERAL FEET OF WATER. THIS IS A VERY DANGEROUS SITUATION DO 
NOT DRIVE OR WALK THROUGH AREAS OF HIGH WATER...THE DEPTH MAY BE 
DEEPER THAN YOU THINK.

LOCATIONS IN THE WARNING INCLUDE LORAIN...ELYRIA AND AVON LAKE.

ALTHOUGH THE RAIN HAS DIMINISHED ACROSS THE WARNED AREA...ADDITIONAL 
LOCALLY HEAVY RAINFALL MAY REACH THE AREA BY 700 PM...CAUSING 
ADDITIONAL FLOODING PROBLEMS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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.

LAT...LON 4150 8198 4151 8197 4141 8198 4130 8234
      4143 8234 4144 8228 4143 8226 4148 8219
      4152 8203 4152 8200

$$

MRD
000 
WGUS71 KCLE 162205
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
603 PM EDT SAT JUL 16 2005

OHC093-162345-
LORAIN OH-
603 PM EDT SAT JUL 16 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 745 PM EDT FOR LORAIN 
COUNTY...

FLOODING CONTINUES ON MANY STREETS AND UNDERPASSES IN THE LORAIN AND 
ELYRIA AREAS. SEVERAL FEET OF WATER ARE ON VARIOUS ROADWAYS IN THE 
LORAIN AREA. DO NOT DRIVE YOUR CAR THROUGH FLOODED ROADWAYS. THIS IS 
A VERY DANGEROUS SITUATION

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED 
LORAIN...ELYRIA...AVON LAKE.

AT 600 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
NEW THUNDERSTORMS WERE APPROACHING NORTHERN LORAIN COUNTY. RADAR 
INDICATED RAINFALL RATES OF 1 TO 2 INCHES PER HOUR WITH THESE 
STORMS. THIS ADDITIONAL RAINFALL MAY CAUSE ADDITIONAL FLOODING AND 
WORSEN EXISTING FLOODING.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE 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.

LAT...LON 4150 8198 4151 8197 4141 8198 4130 8234
      4143 8234 4144 8228 4143 8226 4148 8219
      4152 8203 4152 8200

$$

MRD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 4:15 PM EDTSpecial Marine WarningCLE2 hr
Jul 16, 4:45 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake53 min
Jul 16, 4:59 PM EDTSevere Thunderstorm WarningCLEAshtabula62 min
Jul 16, 5:19 PM EDTFlash Flood WarningCLESeneca3 hr
Jul 16, 5:27 PM EDTSpecial Marine WarningCLE2 hr
Jul 16, 5:32 PM EDTSpecial Marine WarningCLE118 min

Nearby

Flash Flood Warnings in Ohio, 2005Every flash flood warning in 2005

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.