Alert archive / Kentucky / Flash Flood Warnings in 2003

Flash Flood Warning 85, NWS Jackson, KY

July 16, 2003Johnson County, Kentucky

NWS Jackson, KY issued this flash flood warning at Jul 16, 2003, 1:28 AM EDT for Johnson County, Kentucky. It was in force for 92 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: Jul 16, 2003, 1:28 AM EDT (05:28 UTC)
Expired: Jul 16, 2003, 3:00 AM EDT
In force: 92 min
Issued by: NWS Jackson, KY
Area: Counties, with a storm outline in the text

County Johnson County, KY

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.5 hours before the alert went out and 200 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: 1565 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 263 m²/s²
0-3 km storm-relative helicity: 334 m²/s²
Significant tornado parameter: 2.4
Supercell composite: 14.2

Open this sounding in Storm Lab

The text

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

000 
WGUS53 KJKL 160533
FFWJKL
KYC115-160700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
128 AM EDT WED JUL 16 2003

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JOHNSON COUNTY

* UNTIL 300 AM EDT

* AT 130 AM EDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN 2 MILES SOUTHEAST OF BALLOT...OR ABOUT 7 MILES SOUTHWEST OF
  PAINTSVILLE. THE AREA OF HEAVY RAIN WAS NEARLY STATIONARY.

THUNDERSTORMS WITH RAINFALL RATES IN EXCESS OF TWO INCHES PER HOUR 
CONTINUE TO PLAGUE SOUTHWEST JOHNSON COUNTY. RADAR ESTIMATES THAT 
NEARLY AN INCH AND A HALF OF RAINFALL HAS ACCUMULATED OVER THE 
LITTLE PAINT CREEK...K FORK...AND ASA CREEK STREAM BASINS IN THE 
PAST HOUR. 

EXCESSIVE RUNOFF WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...
ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK
AND MUDSLIDES.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. MOVE TO HIGHER GROUND. LEAVE
AREAS SUBJECT TO FLOODING WHEN WATER STARTS TO RISE.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY.

LAT...LON 3780 8274 3774 8278 3772 8289 3770 8291
          3772 8295 3778 8296 3780 8299 3786 8300
          3790 8294

$$
GREIF

2 follow-up statements

000 
WGUS73 KJKL 160610
FFSJKL
KYC115-160700-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
210 AM EDT WED JUL 16 2003

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR...

  JOHNSON COUNTY

* UNTIL 300 AM EDT

* AT 155 AM EDT...THE PUBLIC REPORTED FLOWING WATER OVER THE ROAD ON 
HIGHWAY 2039 AT ASA CREEK.

AT 209 AM EDT...MODERATE TO HEAVY RAIN CONTINUED OVER MUCH OF 
JOHNSON COUNTY...WITH DOPPLER RADAR ESTIMATES OF OVER 2.5 INCHES PER 
HOUR IN PARTS OF SOUTHERN JOHNSON COUNTY. HEAVY RAINS MAY FLOOD LOW 
LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND 
DO NOT CROSS FLOODED ROADS AS THEY MAY BE WASHED OUT. WATER LEVELS 
OF SMALL STREAMS AND RIVERS MAY ALSO RISE...THEREFORE SEEK HIGHER 
GROUND IF THREATENED BY FLOOD WATERS.

EXCESSIVE RUNOFF WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND 
STREAMS...HIGHWAYS AND UNDERPASSES. ROADS...FARMLANDS ALONG THE BANKS
OF CREEKS...STREAMS...AND LOW LYING AREAS ARE SUBJECT TO FLASH 
FLOODING

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL 
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN JACKSON.

$$

COREY

000 
WGUS73 KJKL 160703
FFSJKL
KYC115-160715-
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
303 AM EDT WED JUL 16 2003

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

AT 301 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED THAT THE 
HEAVIEST RAIN HAS ENDED AND IS NO LONGER CAPABLE OF PRODUCING 
FLOODING...THUS THE WARNING HAS BEEN ALLOWED TO EXPIRE.

WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE. 
HOWEVER...THE IMMEDIATE THREAT FOR FLOODING HAS ENDED AS RAINFALL 
RATES WILL RAPIDLY TAPER OFF.

STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION.
PLEASE PASS YOUR FLOOD REPORTS TO YOUR NEAREST LOCAL LAW ENFORCEMENT
AGENCY AND HAVE THEM RELAY YOUR REPORT TO THE NATIONAL WEATHER
SERVICE OFFICE IN JACKSON.

$$

COREY

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 16, 1:51 AM EDT	Severe Thunderstorm Warning	JKL	Rockcastle	39 min
Jul 16, 4:54 AM EDT	Flash Flood Warning	JKL	Laurel, Pulaski, Whitley	3 hr
Jul 16, 5:22 AM EDT	Severe Thunderstorm Warning	JKL	Laurel	38 min
Jul 16, 6:24 AM EDT	Severe Thunderstorm Warning	JKL	Whitley	51 min
Jul 16, 8:00 AM EDT	Flash Flood Warning	JKL	Whitley	2 hr

Nearby

Flash Flood Warnings in Kentucky, 2003 Every flash flood warning in 2003

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.