Alert archive / Ohio / Flash Flood Warnings in 2007

Flash Flood Warning 31, NWS Cleveland, OH

September 13, 2007Seneca County, Ohio

NWS Cleveland, OH issued this flash flood warning at Sep 13, 2007, 10:25 AM EDT for Seneca County, Ohio. It was in force for 35 min. 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 13, 2007, 10:25 AM EDT (14:25 UTC)
Expired
Sep 13, 2007, 11:00 AM EDT
In force
35 min
Issued by
NWS Cleveland, OH
Area
Counties, with a storm outline in the text
Flood severity
Unknown

County Seneca County, OH

The radar

The Cleveland radar (KCLE), 99 km from the middle of the area, began a volume at 14:29 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

Detroit, MI (KDTX), launched 12:00Z, 2.4 hours before the alert went out and 189 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 2007-09-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2007-09-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 80 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
1040 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
80 m²/s²
0-3 km storm-relative helicity
91 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 131427
FFWCLE
OHC147-131500-
/T.NEW.KCLE.FF.W.0027.070913T1425Z-070913T1500Z/
/00000.U.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
TEST...FLASH FLOOD WARNING...TEST
NATIONAL WEATHER SERVICE CLEVELAND OH
1025 AM EDT THU SEP 13 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* THIS IS A TEST MESSAGE. FLASH FLOOD WARNING FOR AN ICE JAM IN...
  SENECA COUNTY IN NORTHWEST OHIO

* UNTIL 1100 AM EDT

* THIS IS A TEST MESSAGE. AT 1025 AM EDT...AN ICE JAM ON THE TEST   
RIVER HAS FORMED AND IS CAUSING FLASH FLOODING NEAR AND UPSTREAM 
FROM THE JAM LOCATION. TEST...TEST...TEST.

THIS IS A TEST MESSAGE. DO NOT TAKE ACTION BASED ON THIS MESSAGE.

LAT...LON 4108 8291 4102 8290 4102 8300 4108 8299

$$
2 follow-up statements
000 
WGUS71 KCLE 131443
FFSCLE

TEST...FLASH FLOOD STATEMENT...TEST
NATIONAL WEATHER SERVICE CLEVELAND OH
1039 AM EDT THU SEP 13 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

OHC147-131500-
/T.CON.KCLE.FF.W.0027.000000T0000Z-070913T1500Z/
/00000.U.IJ.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SENECA OH-
1039 AM EDT THU SEP 13 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 AM EDT FOR
SOUTHEASTERN SENECA COUNTY...

THIS IS A TEST MESSAGE. AT 1029 AM EDT...A THUNDERSTORM PRODUCING 
FLASH FLOODING WAS REPORTED OVER THE WARNED AREA. TEST...TEST...TEST.

THIS IS A TEST MESSAGE. DO NOT TAKE ACTION BASED ON THIS MESSAGE.

LAT...LON 4108 8291 4102 8290 4102 8300 4108 8299
TIME...MOT...LOC 1439Z 180DEG 0KT 4105 8295

$$
000 
WGUS71 KCLE 131501
FFSCLE

TEST...FLASH FLOOD STATEMENT...TEST
NATIONAL WEATHER SERVICE CLEVELAND OH
1101 AM EDT THU SEP 13 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

OHC147-131511-
/T.CAN.KCLE.FF.W.0027.000000T0000Z-070913T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SENECA OH-
1101 AM EDT THU SEP 13 2007

...THIS MESSAGE IS FOR TEST PURPOSES ONLY...

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN SENECA
COUNTY...

THIS IS A TEST MESSAGE. TEST...TEST...TEST. DO NOT TAKE ACTION BASED 
ON THIS MESSAGE.

LAT...LON 4108 8291 4102 8290 4102 8300 4108 8299
TIME...MOT...LOC 1501Z 180DEG 0KT 4105 8295

$$

Nearby

Flash Flood Warnings in Ohio, 2007Every flash flood warning in 2007

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.