Alert archive / Kentucky / Flash Flood Warnings in 2001

Flash Flood Warning 20, NWS Louisville, KY

July 25, 2001Adair County, Russell County, Kentucky

NWS Louisville, KY issued this flash flood warning at Jul 25, 2001, 7:03 PM CDT for Adair County, Russell County, Kentucky. It was in force for 87 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jul 25, 2001, 7:03 PM CDT (00:03 UTC)
Expired: Jul 25, 2001, 8:30 PM CDT
In force: 87 min
Issued by: NWS Louisville, KY
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Adair County, KY, Russell County, KY

The radar

The Louisville radar (KLVX), 119 km from the middle of the area, began a volume at 00:02 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

Nashville Metro, TN (KBNA), launched 00:00Z, 0.1 hours before the alert went out and 159 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: 1351 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 14 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 
WGUS53 KLMK 260003
FFWLMK
KYC001-207-260130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
703 PM CDT WED JUL 25 2001

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ADAIR COUNTY IN SOUTH CENTRAL KENTUCKY
  RUSSELL COUNTY IN SOUTH CENTRAL KENTUCKY

* UNTIL 830 PM CDT

* AT 700 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER COLUMBIA...OR ABOUT 35 MILES WEST OF SOMERSET...MOVING
  EAST AT 20 MPH. 2 TO 4 INCH RAINFALL TOTALS WITH THESE STORMS ARE
  LIKELY...ALONG WITH FLASH FLOODING.

* OTHER LOCATIONS IN THE WARNING INCLUDE VESTER...SALEM...RUSSELL
  SPRINGS...PELLYTON...OLGA...MONTPELIER...KNIFELY...JAMESTOWN...
  GRADYVILLE...GLENS FORK...FREEDOM...ELLA...CROCUS...COBURG AND CANE
  VALLEY

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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.

REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN LOUISVILLE.

LAT...LON 3705 8550 3686 8510 3704 8490 3729 8519

STUREY

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Louisville, KY wrote its last area forecast discussion before this flash flood warning went out at Jul 25, 2:00 PM CDT, 5 hours 3 minutes earlier.

Area forecast discussion, Jul 25, 2:00 PM CDT, 5 hours 3 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOUISVILLE KY
300 PM EDT WED JUL 25 2001

SCATTERED THUNDERSTORMS HAVE DEVELOPED IN THE UNSTABLE AIRMASS
ACROSS THE COUNTY FORECAST AREA THIS AFTERNOON.

MODELS ARE CONSISTENT ON BRINGING A COOL FRONT TO THE OHIO RIVER BY
12Z THURSDAY MORNING. AT THE SAME TIME A WEAK S/W WILL MOVE ACROSS
THE LOWER OHIO VALLEY. SHOWERS AND THUNDERSTORMS WILL BECOME
WIDESPREAD ACROSS THE NORTHERN CFA OVERNIGHT AND GRADUALLY SPREAD
SOUTH DURING THE DAY THURSDAY. SOME LOCATIONS, ESPECIALLY ACROSS
SOUTHERN INDIANA AND NORTHERN KENTUCKY, MAY RECEIVE LOCALLY HEAVY
RAINFALL AND WE WILL WORD FORECAST ACCORDINGLY. THE FRONT WILL DROP
TO TENNESSEE THURSDAY NIGHT AND BECOME STATIONARY. ON FRIDAY WE WILL
GO WITH A DRY FORECAST OVER THE NORTH BUT WILL HOLD ONTO LOW POPS
OVER THE SOUTH WITH THE FRONT IN THE VICINITY.

THE FRONT WILL BEGIN TO WORK NORTH ON SATURDAY AND THE HIGH HUMIDITY
WILL RETURN ALONG WITH SCATTERED THUNDERSTORMS.

.SDF...NONE
JA

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 9:18 PM CDT	Flash Flood Warning	LMK	Bourbon, Nicholas	117 min
Jul 25, 10:30 PM CDT	Flash Flood Warning	LMK	Scott	2 hr
Jul 25, 11:15 PM CDT	Flash Flood Warning	LMK	Bourbon	75 min
Jul 26, 12:54 AM CDT	Flash Flood Warning	LMK	Hancock, Ohio	96 min
Jul 26, 2:40 AM CDT	Flash Flood Warning	LMK	Ohio	80 min

Nearby

Flash Flood Warnings in Kentucky, 2001 Every flash flood warning in 2001

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.