Alert archive / Kentucky / Flash Flood Warnings in 2013

Flash Flood Warning 21, NWS Paducah, KY

July 6, 2013Calloway County, Kentucky

NWS Paducah, KY issued this flash flood warning at Jul 6, 2013, 9:49 PM CDT for Calloway County, Kentucky. It was in force for 3 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 6, 2013, 9:49 PM CDT (02:49 UTC)
Expired
Jul 7, 2013, 12:45 AM CDT
In force
3 hr
Issued by
NWS Paducah, KY
Area
Storm-based polygon
Flood severity
None

County Calloway County, KY

The radar

The Paducah radar (KPAH), 70 km from the middle of the area, began a volume at 02:50 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.

What was reported inside it

TimeReportWhereRemark
Jul 6, 10:15 PM CDTFLASH FLOOD1 N Hazel, KYA SECTION OF U.S. 641 WAS CLOSED AND SEVERAL MOTORISTS WERE STRANDED AND HAD TO BE HELPED FROM THEIR VEHICLES.
Jul 6, 10:15 PM CDTFLASH FLOODMurray, KYSOUTH OF MURRAY ON HIGHWAY 121...A SECTION OF THE ROAD WAS CLOSED BETWEEM MILE MARKER 3 AND 4.
Jul 6, 10:20 PM CDTFLASH FLOODMurray, KYJUST SOUTH OF THE CITY LIMITS...SEVERAL SECONDARY ROADS HAD HIGH WATER SIGNS OUT AND TRAFFIC WAS NOT ALLOWED THROUGH. THIS INCLUDES COUNTY ROAD 1497 AND MURRAY-PARIS ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 2.8 hours before the alert went out and 154 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, Nashville Metro, TN at 00:00Z on 2013-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 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, Nashville Metro, TN at 00:00Z on 2013-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.19395878Sfc1 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
115 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

931 
WGUS53 KPAH 070249
FFWPAH
KYC035-070545-
/O.NEW.KPAH.FF.W.0021.130707T0249Z-130707T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
949 PM CDT SAT JUL 6 2013

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALLOWAY COUNTY IN WESTERN KENTUCKY...

* UNTIL 1245 AM CDT.

* AT 941 PM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING   
FROM A THUNDERSTORM OVER THE WARNED AREA. SOME VEHICLES HAVE BEEN 
REPORTED STRANDED ON HIGHWAY 641 NORTH OF HAZEL...HIGHWAY 121 SOUGHT 
OF MURRAY...AND OTHER ROADS WERE BEGINNING TO FLOOD.

* LOCATIONS IN THE WARNED AREA INCLUDE...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

&&

LAT...LON 3675 8849 3675 8811 3669 8807 3666 8807
      3660 8804 3651 8804 3650 8805 3650 8849

$$
1 follow-up statement
071 
WGUS73 KPAH 070411
FFSPAH

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PADUCAH KY
1111 PM CDT SAT JUL 6 2013

KYC035-070545-
/O.CON.KPAH.FF.W.0021.000000T0000Z-130707T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALLOWAY KY-
1111 PM CDT SAT JUL 6 2013

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR
CALLOWAY COUNTY IN WESTERN KENTUCKY...

AT 1103 PM CDT...EVEN THOUGH HEAVY RAINFALL HAS ENDED...EMERGENCY 
MANAGEMENT OFFICIALS ARE STILL REPORTING ONGOING FLASH FLOODING OVER 
THE WARNED AREA. SEVERAL COUNTY ROADS REMAIN CLOSED IN SPOTS...SUCH 
AS ROAD 1497 AND MURRAY PARIS ROAD. ALSO HIGHWAY 641 AND 121 SOUTH 
OF MURRAY STILL HAVE WATER OVER IT IN SPOTS...BUT THEY ARE NO LONGER 
CLOSED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE 
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. 

&&

LAT...LON 3675 8849 3675 8811 3669 8807 3666 8807
      3660 8804 3651 8804 3650 8805 3650 8849

$$

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 6, 7:01 PM CDTAreal Flood AdvisoryPAHCalloway119 min
Jul 6, 7:26 PM CDTTornado WarningPAHLyon, Trigg34 min

Nearby

Flash Flood Warnings in Kentucky, 2013Every flash flood warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.