Alert archive / Kentucky / Flash Flood Warnings in 2012
Flash Flood Warning 20, NWS Jackson, KY
NWS Jackson, KY issued this flash flood warning at May 21, 2012, 2:44 PM EDT for Powell County, Wolfe County, Kentucky. It was in force for 3 hr. 2 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
- May 21, 2012, 2:44 PM EDT (18:44 UTC)
- Expired
- May 21, 2012, 5:30 PM EDT
- In force
- 3 hr
- Issued by
- NWS Jackson, KY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Powell County, KY, Wolfe County, KY
The radar
The Jackson,KY radar (KJKL), 31 km from the middle of the area, began a volume at 18:46 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 |
|---|---|---|---|
| May 21, 2:48 PM EDT | HEAVY RAIN 1.93 | Natural Bridge S.P., KY | 1.93 INCHES OF RAIN IN 30 MINUTES WAS REPORTED BY AN IFLOWS RAIN GAUGE NEAR NATURAL BRIDGE STATE PARK. |
| May 21, 3:30 PM EDT | FLASH FLOOD | Natural Bridge S.P., KY | TWO ROADS WERE CLOSED DUE TO HIGH WATER. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.7 hours before the alert went out and 188 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1563 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
367 WGUS53 KJKL 211844 FFWJKL KYC197-237-212130- /O.NEW.KJKL.FF.W.0020.120521T1844Z-120521T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE JACKSON KY 244 PM EDT MON MAY 21 2012 THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHEASTERN POWELL COUNTY IN EAST CENTRAL KENTUCKY... WESTERN WOLFE COUNTY IN SOUTHEAST KENTUCKY... * UNTIL 530 PM EDT * AT 244 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. AN IFLOWS GAGE REPORTED THAT OVER AN INCH OF RAIN HAD FALLEN IN 15 MINUTES TIME. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CAMPTON...BOOTH...GLENCAIRN...GRANNIE...HIGH FALLS...JENSON... KOOMER RIDGE CAMPGROUND...NATURAL BRIDGE S.P....PINE RIDGE... ROGERS...SEE...SLADE AND TORRENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. && LAT...LON 3772 8350 3767 8360 3776 8378 3784 8367 $$ GEOGERIAN
2 follow-up statements
707 WGUS73 KJKL 211947 FFSJKL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE JACKSON KY 347 PM EDT MON MAY 21 2012 KYC197-237-212130- /O.CON.KJKL.FF.W.0020.000000T0000Z-120521T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ POWELL KY-WOLFE KY- 347 PM EDT MON MAY 21 2012 ...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WESTERN WOLFE AND SOUTHEASTERN POWELL COUNTIES UNTIL 530 PM EDT... AT 338 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL HAD MOVED OUT OF THE AREA...HOWEVER RUNOFF FROM PREVIOUS EXCESSIVE RAINFALL WILL STILL CAUSE CREEKS AND STREAMS TO RUN NEAR BANKFULL...WITH THE POTENTIAL FOR ADDITIONAL THUNDERSTORMS TO MOVE INTO THE AREA BETWEEN 4:30 AND 5 PM. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...CAMPTON...BOOTH...GLENCAIRN...GRANNIE...HIGH FALLS...JENSON...KOOMER RIDGE CAMPGROUND...NATURAL BRIDGE S.P....PINE RIDGE...ROGERS...SEE...SLADE AND TORRENT. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. && LAT...LON 3772 8350 3767 8360 3776 8378 3784 8367 $$ GEOGERIAN
111 WGUS73 KJKL 212130 FFSJKL FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE JACKSON KY 530 PM EDT MON MAY 21 2012 KYC197-237-212146- /O.EXP.KJKL.FF.W.0020.000000T0000Z-120521T2130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ POWELL KY-WOLFE KY- 530 PM EDT MON MAY 21 2012 ...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WESTERN WOLFE AND SOUTHEASTERN POWELL COUNTIES HAS BEEN ALLOWED TO EXPIRE... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 3772 8350 3767 8360 3776 8378 3784 8367 $$ GEOGERIAN
The office that day
Everything else NWS Jackson, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 12:53 PM EDT | Severe Thunderstorm Warning | JKL | Clay, Jackson, Lee, Owsley | 37 min |
| May 21, 1:11 PM EDT | Areal Flood Advisory | JKL | Lee, Owsley | 79 min |
| May 21, 2:01 PM EDT | Areal Flood Advisory | JKL | Menifee | 89 min |
| May 21, 2:04 PM EDT | Severe Thunderstorm Warning | JKL | Bath, Menifee, Montgomery | 41 min |
| May 21, 2:22 PM EDT | Flash Flood Warning | JKL | Menifee, Montgomery | 3 hr |
| May 21, 2:32 PM EDT | Areal Flood Advisory | JKL | Lee, Menifee, Montgomery, Powell, Wolfe | 88 min |
| May 21, 2:34 PM EDT | Areal Flood Advisory | JKL | Clay, Jackson, Laurel | 86 min |
| May 21, 2:36 PM EDT | Severe Thunderstorm Warning | JKL | Estill, Lee, Powell, Wolfe | 39 min |
| May 21, 2:49 PM EDT | Areal Flood Advisory | JKL | Bath, Fleming, Rowan | 101 min |
| May 21, 2:56 PM EDT | Severe Thunderstorm Warning | JKL | Estill, Lee | 49 min |
| May 21, 3:02 PM EDT | Areal Flood Advisory | JKL | Estill, Lee | 88 min |
| May 21, 3:11 PM EDT | Severe Thunderstorm Warning | JKL | Bath, Fleming | 49 min |
| May 21, 3:15 PM EDT | Flash Flood Warning | JKL | Estill, Lee | 3 hr |
| May 21, 3:35 PM EDT | Flash Flood Warning | JKL | Bath, Fleming | 3 hr |
| May 21, 3:45 PM EDT | Areal Flood Advisory | JKL | Clay, Laurel | 75 min |
| May 21, 3:49 PM EDT | Areal Flood Advisory | JKL | Estill, Jackson, Lee, Owsley | 101 min |
| May 21, 3:59 PM EDT | Areal Flood Advisory | JKL | Bath, Fleming, Montgomery | 2 hr |
| May 21, 4:35 PM EDT | Areal Flood Advisory | JKL | Bell, Knox, Whitley | 115 min |
| May 21, 4:45 PM EDT | Areal Flood Advisory | JKL | Clay, Jackson, Laurel | 46 min |
| May 21, 5:12 PM EDT | Areal Flood Advisory | JKL | Fleming | 108 min |
| May 21, 5:45 PM EDT | Areal Flood Warning | JKL | Powell | 3 hr |
| May 21, 6:02 PM EDT | Flash Flood Warning | JKL | Fleming | 3 hr |
| May 21, 6:15 PM EDT | Flash Flood Warning | JKL | Whitley | 3 hr |
Nearby
Flash Flood Warnings in Kentucky, 2012Every 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.