Alert archive / Kentucky / Flash Flood Warnings in 2012

Flash Flood Warning 26, NWS Charleston, WV

July 27, 2012Carter County, Lawrence County, Kentucky

NWS Charleston, WV issued this flash flood warning at Jul 27, 2012, 1:03 AM EDT for Carter County, Lawrence County, Kentucky. It was in force for 117 min. 1 report 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 27, 2012, 1:03 AM EDT (05:03 UTC)
Expired: Jul 27, 2012, 3:00 AM EDT
In force: 117 min
Issued by: NWS Charleston, WV
Area: Storm-based polygon
Flood severity: None

Counties Carter County, KY, Lawrence County, KY

The radar

The Jackson,KY radar (KJKL), 73 km from the middle of the area, began a volume at 05:04 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

Time	Report	Where	Remark
Jul 27, 1:30 AM EDT	FLASH FLOOD	Fallsburg, KY	LAW ENFORCEMENT REPORTS WATER OVER HIGHWAYS 1 AND 3N.

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

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 5.1 hours before the alert went out and 318 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: 376 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1704 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 68 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.

070 
WGUS51 KRLX 270503
FFWRLX
KYC043-127-270700-
/O.NEW.KRLX.FF.W.0026.120727T0503Z-120727T0700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
103 AM EDT FRI JUL 27 2012

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN CARTER COUNTY IN KENTUCKY...
  NORTH CENTRAL LAWRENCE COUNTY IN KENTUCKY...
  THIS INCLUDES THE CITY OF YATESVILLE LAKE STATE PARK...

* UNTIL 300 AM EDT

* AT 1254 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM OVER THE WARNED      
  AREA. RADAR ESTIMATES THAT ABOUT TWO INCHES OF RAIN HAS            
  ALREADY OCCURRED ACROSS THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WEBBVILLE

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. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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. MOVE TO HIGHER GROUND.

&&

PLEASE REPORT HIGH WATER TO THE NATIONAL WEATHER SERVICE BY CALLING
TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

LAT...LON 3824 8301 3824 8266 3809 8265 3809 8292
      3810 8292 3811 8290 3817 8292 3817 8298
      3819 8301

$$

50

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 27, 12:53 AM EDT	Flash Flood Warning	RLX	Carter, Greenup	112 min
Jul 27, 2:43 AM EDT	Flash Flood Warning	RLX	Carter, Lawrence	2 hr
Jul 27, 2:54 AM EDT	Flash Flood Warning	RLX	Carter, Greenup	111 min
Jul 27, 4:37 AM EDT	Areal Flood Warning	RLX	Carter, Greenup	113 min
Jul 27, 11:27 AM EDT	Flash Flood Watch	RLX	Boyd, Carter, Greenup, Lawrence	14 hr
Jul 27, 7:16 PM EDT	Special Weather Statement	RLX	Greenup	29 min

Nearby

Flash Flood Warnings in Kentucky, 2012 Every flash flood warning in 2012

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.