Alert archive / Ohio / Flash Flood Warnings in 2005

Flash Flood Warning 24, NWS Cleveland, OH

September 17, 2005Lorain County, Ohio

NWS Cleveland, OH issued this flash flood warning at Sep 17, 2005, 7:54 AM 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
Sep 17, 2005, 7:54 AM EDT (11:54 UTC)
Expired
Sep 17, 2005, 11:00 AM 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), 25 km from the middle of the area, began a volume at 11:55 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 00:00Z, 11.9 hours before the alert went out and 188 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 00:00Z on 2005-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2005-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
45 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 171155
FFWCLE
OHC093-171500-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
754 AM EDT SAT SEP 17 2005

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

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

* UNTIL 1100 AM EDT

* AT 749 AM EDT...LOCAL LAW ENFORCEMENT REPORTED FLOODING IN LORAIN. 
RADAR INDICATES 1 TO 2 INCHES OF RAIN HAS FALLEN. 

* LOCATIONS WITHIN THE WARNED AREA INCLUDE...
  LORAIN...
  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 4147 8201 4121 8212 4109 8228 4139 8227

$$
2 follow-up statements
000 
WGUS71 KCLE 171240
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
840 AM EDT SAT SEP 17 2005

OHC093-171500-
LORAIN OH-
840 AM EDT SAT SEP 17 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 1100 AM EDT FOR LORAIN 
COUNTY...

AT 833 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A 
THUNDERSTORM PRODUCING FLASH FLOODING ON MILLERS RUN IN THE 
NORTHWEST PART OF THE CITY OF LORAIN. WATER IS ALSO ON STREETS AND 
IN HOMES NEAR MILLERS RUN. ALTHOUGH THE RAIN HAS GENERALLY ENDED 
ACROSS THE REGION...EXPECT FLOODING IN THIS AREA TO CONTINUE. 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 1.5 TO 2.5 
INCHES OF RAIN FELL IN THIS AREA SINCE 5 AM.

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 THROUGH FLOODED AREAS. THE WATER MAY BE DEEPER THAN YOU 
THINK. 

LAT...LON 4153 8200 4138 8205 4132 8228 4149 8230

$$

MRD
000 
WGUS71 KCLE 171518
FFSCLE

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
1110 AM EDT SAT SEP 17 2005

OHC093-171530-
LORAIN OH-
1110 AM EDT SAT SEP 17 2005

...THE FLASH FLOOD WARNING FOR LORAIN COUNTY HAS BEEN ALLOWED TO 
EXPIRE...

NO FURTHER FLOODING HAS BEEN REPORTED IN LORAIN AND AMHERST...AND 
ONLY SCATTERED LIGHT SHOWERS ARE EXPECTED THROUGH THE AFTERNOON. 
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE.

LAT...LON 4153 8200 4138 8205 4132 8228 4149 8230

$$

MRD

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.