Alert archive / Kentucky / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 46, NWS Wilmington, OH

April 4, 20119 counties in Kentucky; Clermont County, Ohio; Switzerland County, Indiana

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 4, 2011, 2:26 PM EDT for 9 counties in Kentucky; Clermont County, Ohio; Switzerland County, Indiana. It was in force for 49 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
Apr 4, 2011, 2:26 PM EDT (18:26 UTC)
Expired
Apr 4, 2011, 3:15 PM EDT
In force
49 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Switzerland County, IN, Boone County, KY, Bracken County, KY, Campbell County, KY, Carroll County, KY, Gallatin County, KY, Grant County, KY, Kenton County, KY, Owen County, KY, Pendleton County, KY, Clermont County, OH

The radar

The Cincinnati radar (KILN), 101 km from the middle of the area, began a volume at 18:26 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
Apr 4, 3:00 PM EDTTSTM WND DMG1 Nw Butler, KYTWO TREES DOWN NEAR DEMOSSVILLE. TREE ALSO DOWN NEAR WOLF ROAD AND KENTUCKY ROUTE 22

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 34 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 hours before the alert went out and 103 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, Cncnati-Daytn, OH at 12:00Z on 2011-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2011-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 324 square meters per square second.1939587897Sfc1 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
6 J/kg
Mixed-layer CIN
-333 J/kg
Mixed-layer LCL
1160 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
324 m²/s²
0-3 km storm-relative helicity
410 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.

430 
WUUS51 KILN 041826
SVRILN
INC155-KYC015-023-037-041-077-081-117-187-191-OHC025-041915-
/O.NEW.KILN.SV.W.0046.110404T1826Z-110404T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
226 PM EDT MON APR 4 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BOONE COUNTY IN NORTHERN KENTUCKY...
  WESTERN BRACKEN COUNTY IN NORTHERN KENTUCKY...
  CAMPBELL COUNTY IN NORTHERN KENTUCKY...
  EXTREME EASTERN CARROLL COUNTY IN NORTHERN KENTUCKY...
  GALLATIN COUNTY IN NORTHERN KENTUCKY...
  GRANT COUNTY IN NORTHERN KENTUCKY...
  KENTON COUNTY IN NORTHERN KENTUCKY...
  OWEN COUNTY IN NORTHERN KENTUCKY...
  PENDLETON COUNTY IN NORTHERN KENTUCKY...
  EASTERN SWITZERLAND COUNTY IN SOUTHEAST INDIANA...
  SOUTHERN CLERMONT COUNTY IN SOUTHWEST OHIO...

* UNTIL 315 PM EDT.

* AT 221 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR NEW
  LIBERTY...MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  WARSAW...
  WILLIAMSTOWN...
  DRY RIDGE...
  CRITTENDEN...
  WALTON...
  FALMOUTH...
  BUTLER...
  INDEPENDENCE...

IN ADDITION...HOLBROOK...KEEFER...GLENCOE...LAWRENCEVILLE...
CORINTH...TWIN BRIDGES...EAGLE HILL AND STEWARTSVILLE ARE NEAR THE
PATH OF THIS SEVERE THUNDERSTORM.

THIS INCLUDES THE FOLLOWING INTERSTATES...
I-71 BETWEEN MILE MARKERS 53 AND 77 IN KENTUCKY...
I-75 BETWEEN MILE MARKERS 144 AND 176 IN KENTUCKY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3839 8485 3859 8504 3883 8489 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3857 8427 3856 8442
      3853 8444 3853 8448 3850 8450 3850 8454
      3843 8462 3840 8470
TIME...MOT...LOC 1826Z 228DEG 57KT 3864 8482

$$


BINAU
6 follow-up statements
237 
WWUS51 KILN 041838
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
238 PM EDT MON APR 4 2011

INC155-KYC041-041848-
/O.CAN.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
SWITZERLAND IN-CARROLL KY-
238 PM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME EASTERN CARROLL AND
EASTERN SWITZERLAND COUNTIES HAS BEEN CANCELLED...

PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3855 8489 3888 8476 3904 8435 3902 8431
      3905 8431 3908 8424 3888 8404 3878 8405
      3863 8411 3857 8427 3856 8442 3853 8444
      3853 8448 3850 8450 3850 8454 3844 8469
      3843 8480
TIME...MOT...LOC 1838Z 233DEG 65KT 3870 8468

$$

KYC015-023-037-077-081-117-187-191-OHC025-041915-
/O.CON.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
GRANT KY-BOONE KY-CAMPBELL KY-KENTON KY-PENDLETON KY-GALLATIN KY-
BRACKEN KY-OWEN KY-CLERMONT OH-
238 PM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHERN CLERMONT...EASTERN OWEN...WESTERN BRACKEN...EASTERN
GALLATIN...PENDLETON...KENTON...CAMPBELL...BOONE AND GRANT
COUNTIES...

AT 237 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
TWIN BRIDGES...MOVING NORTHEAST AT 70 MPH.

LOCATIONS IMPACTED INCLUDE...
WILLIAMSTOWN...DRY RIDGE...CRITTENDEN...WALTON...FALMOUTH...
INDEPENDENCE...BUTLER...CLARYVILLE...ALEXANDRIA...NEW RICHMOND...
FELICITY AND WITHAMSVILLE.

IN ADDITION...CAMP NORTHWARD...RYLE...MUNK...MARCUS...SHERMAN...
VERONA...WILLIAMSTOWN LAKE AND NORTHCUTT ARE NEAR THE PATH OF THIS
STORM.

THIS INCLUDES THE FOLLOWING INTERSTATES...
I-71 BETWEEN MILE MARKERS 63 AND 77 IN KENTUCKY...
I-75 BETWEEN MILE MARKERS 144 AND 176 IN KENTUCKY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. ALTHOUGH
ONE IS NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY
TO MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A
BASEMENT OR SMALL INTERIOR ROOM.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3855 8489 3888 8476 3904 8435 3902 8431
      3905 8431 3908 8424 3888 8404 3878 8405
      3863 8411 3857 8427 3856 8442 3853 8444
      3853 8448 3850 8450 3850 8454 3844 8469
      3843 8480
TIME...MOT...LOC 1838Z 233DEG 65KT 3870 8468

$$


BINAU
786 
WWUS51 KILN 041844
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
244 PM EDT MON APR 4 2011

KYC187-041854-
/O.CAN.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
OWEN KY-
244 PM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN OWEN COUNTY HAS BEEN
CANCELLED...

PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3860 8460 3870 8470 3888 8476 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3857 8427 3856 8442
      3853 8444 3853 8448 3850 8450 3850 8454
TIME...MOT...LOC 1844Z 233DEG 65KT 3877 8456

$$

KYC015-023-037-077-081-117-191-OHC025-041915-
/O.CON.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
GRANT KY-BOONE KY-CAMPBELL KY-KENTON KY-PENDLETON KY-GALLATIN KY-
BRACKEN KY-CLERMONT OH-
244 PM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHERN CLERMONT...WESTERN BRACKEN...EXTREME EASTERN GALLATIN...
PENDLETON...KENTON...CAMPBELL...BOONE AND EASTERN GRANT COUNTIES...

AT 243 PM EDT...RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAD 
WEAKENED BUT WAS STILL CAPABLE OF PRODUCING WIND GUSTS TO 60 MPH.. 
THIS STORM WAS LOCATED NEAR SHERMAN...MOVING NORTHEAST AT 70 MPH.

LOCATIONS IMPACTED INCLUDE...
WALTON...FALMOUTH...INDEPENDENCE...BUTLER...CLARYVILLE...
ALEXANDRIA...NEW RICHMOND...FELICITY...WITHAMSVILLE AND AMELIA.

IN ADDITION...GARDNERSVILLE...RICHWOOD...PINER...FISKBURG...GENE
SNYDER AIRPORT...BANK LICK...ATWOOD AND MCKINNEYSBURG ARE NEAR THE
PATH OF THIS STORM.

THIS INCLUDES THE FOLLOWING INTERSTATES...
I-71 BETWEEN MILE MARKERS 69 AND 77 IN KENTUCKY...
I-75 BETWEEN MILE MARKERS 152 AND 176 IN KENTUCKY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. AS STORMS
APPROACH...SEEK SHELTER IN STURDY BUILDINGS AND STAY AWAY FROM
WINDOWS.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3860 8460 3870 8470 3888 8476 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3857 8427 3856 8442
      3853 8444 3853 8448 3850 8450 3850 8454
TIME...MOT...LOC 1844Z 233DEG 65KT 3877 8456

$$


BINAU
268 
WWUS51 KILN 041854
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
254 PM EDT MON APR 4 2011

KYC015-077-041904-
/O.CAN.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
BOONE KY-GALLATIN KY-
254 PM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME EASTERN GALLATIN AND
BOONE COUNTIES HAS BEEN CANCELLED...

PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3862 8462 3875 8453 3895 8458 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3857 8427 3856 8442
      3853 8444 3853 8448 3850 8450 3850 8454
TIME...MOT...LOC 1854Z 233DEG 65KT 3888 8437

$$

KYC023-037-081-117-191-OHC025-041915-
/O.CON.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
GRANT KY-CAMPBELL KY-KENTON KY-PENDLETON KY-BRACKEN KY-CLERMONT OH-
254 PM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHERN CLERMONT...WESTERN BRACKEN...PENDLETON...KENTON...
CAMPBELL AND EASTERN GRANT COUNTIES...

AT 253 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
GRANTS LICK...MOVING NORTHEAST AT 70 MPH.

LOCATIONS IMPACTED INCLUDE...
ALEXANDRIA...NEW RICHMOND...FELICITY...WITHAMSVILLE AND AMELIA.

IN ADDITION...BERLIN...PEACH GROVE...POWERSVILLE...AA HIGHWAY AT US
ROUTE 27...GUBSER MILL...FOSTER...NEVILLE AND JOHNSVILLE ARE NEAR THE
PATH OF THIS STORM.

THIS INCLUDES THE FOLLOWING INTERSTATE...
I-75 BETWEEN MILE MARKERS 151 AND 157 IN KENTUCKY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORNADOES CAN DEVELOP SUDDENLY FROM SEVERE THUNDERSTORMS. ALTHOUGH
ONE IS NOT IMMEDIATELY LIKELY...IF A TORNADO IS SPOTTED...ACT QUICKLY
TO MOVE TO A PLACE OF SAFETY INSIDE A STURDY STRUCTURE...SUCH AS A
BASEMENT OR SMALL INTERIOR ROOM.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3862 8462 3875 8453 3895 8458 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3857 8427 3856 8442
      3853 8444 3853 8448 3850 8450 3850 8454
TIME...MOT...LOC 1854Z 233DEG 65KT 3888 8437

$$


BINAU
551 
WWUS51 KILN 041858
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
258 PM EDT MON APR 4 2011

KYC081-041908-
/O.CAN.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
GRANT KY-
258 PM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GRANT COUNTY HAS
BEEN CANCELLED...

PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3861 8433 3865 8441 3895 8458 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3860 8423
TIME...MOT...LOC 1858Z 233DEG 65KT 3892 8429

$$

KYC023-037-117-191-OHC025-041915-
/O.CON.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
CAMPBELL KY-KENTON KY-PENDLETON KY-BRACKEN KY-CLERMONT OH-
258 PM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHERN CLERMONT...WESTERN BRACKEN...NORTHEASTERN PENDLETON...
KENTON AND CAMPBELL COUNTIES...

AT 257 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
GUBSER MILL...MOVING NORTHEAST AT 70 MPH.

LOCATIONS IMPACTED INCLUDE...
NEW RICHMOND...FELICITY...WITHAMSVILLE AND AMELIA.

IN ADDITION...CHILO...ROCK SPRINGS...BLAIRSVILLE...NEW PALESTINE...
UTOPIA...POINT ISABEL...LINDALE AND SALTAIR ARE NEAR THE PATH OF THIS
STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. AS STORMS
APPROACH...SEEK SHELTER IN STURDY BUILDINGS AND STAY AWAY FROM
WINDOWS.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3861 8433 3865 8441 3895 8458 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3860 8423
TIME...MOT...LOC 1858Z 233DEG 65KT 3892 8429

$$


BINAU
763 
WWUS51 KILN 041904
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
304 PM EDT MON APR 4 2011

KYC117-041914-
/O.CAN.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
KENTON KY-
304 PM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR KENTON COUNTY HAS BEEN
CANCELLED...

PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3861 8433 3875 8437 3887 8424 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3860 8423
TIME...MOT...LOC 1904Z 233DEG 65KT 3898 8418

$$

KYC023-037-191-OHC025-041915-
/O.CON.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
CAMPBELL KY-PENDLETON KY-BRACKEN KY-CLERMONT OH-
304 PM EDT MON APR 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR SOUTHERN CLERMONT...WESTERN BRACKEN...EASTERN PENDLETON AND
CAMPBELL COUNTIES...

AT 303 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING WINDS TO 60 MPH. THIS STORM WAS LOCATED NEAR
LINDALE...MOVING NORTHEAST AT 70 MPH.

THIS STORM WILL AFFECT MAINLY RURAL AREAS OF CAMPBELL...EASTERN
PENDLETON...SOUTHERN CLERMONT AND WESTERN BRACKEN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS ALSO CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD ROADS...DITCHES AND LOW LYING AREAS. DO NOT DRIVE INTO PLACES
WHERE WATER COVERS THE ROAD AND AVOID FLOOD PRONE AREAS.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.

&&

LAT...LON 3861 8433 3875 8437 3887 8424 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3860 8423
TIME...MOT...LOC 1904Z 233DEG 65KT 3898 8418

$$


BINAU
274 
WWUS51 KILN 041914
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
314 PM EDT MON APR 4 2011

KYC023-037-191-OHC025-041924-
/O.EXP.KILN.SV.W.0046.000000T0000Z-110404T1915Z/
CAMPBELL KY-PENDLETON KY-BRACKEN KY-CLERMONT OH-
314 PM EDT MON APR 4 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CLERMONT...WESTERN
BRACKEN...EASTERN PENDLETON AND CAMPBELL COUNTIES WILL EXPIRE AT 315
PM EDT...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA AND WEAKENED BELOW
SEVERE LIMITS...THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE
ALLOWED TO EXPIRE.

GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS STORM.

PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 3861 8433 3875 8437 3887 8424 3904 8435
      3902 8431 3905 8431 3908 8424 3888 8404
      3878 8405 3863 8411 3860 8423
TIME...MOT...LOC 1914Z 233DEG 65KT 3909 8399

$$


BINAU

What forecasters said that day

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

NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 4, 1:53 PM EDT, 33 minutes earlier.

Area forecast discussion, Apr 4, 1:53 PM EDT, 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
153 PM EDT MON APR 4 2011

.SYNOPSIS...
LOW PRESSURE WILL CROSS NORTHEAST THROUGH THE GREAT LAKES REGION
TODAY. A TRAILING COLD FRONT WILL MOVE SOUTHEAST THROUGH THE OHIO
VALLEY AT THE SAME TIME. HIGH PRESSURE WILL BUILD OVER THE MIDWEST
EARLY ON TUESDAY AND USHER IN DRIER AIR TO THE OHIO VALLEY

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
THE WEATHER FORECAST WILL BE COMPLEX THROUGH THE REMAINDER OF THE DAY.

A DYNAMIC UPR LVL TROF WILL PUSH TOWARD THE LOWER GREAT LAKES AND
OHIO VALLEY THIS AFTERNOON. ATTENDANT SFC COLD FRONT WILL MOVE
FROM NW TO SE ACRS THE FORECAST AREA.  MODELS CONTINUE TO INDICATE
SUBSTANTIAL LOW LEVEL FORCING AHEAD OF THE FRONT. INSTABILITY
SHOULD BE SUFFICIENT FOR CONTINUED THUNDERSTORM DEVELOPMENT AHEAD
OF THE FRONT. PER COORDINATION WITH SPC...IT APPEARS THAT THE BEST
INSTABILITY AND CHANCE FOR SVR STORMS FOR THE REMAINDER OF THE DAY
WILL BE ALONG AND SOUTH OF THE OHIO RIVER...OR FROM THE CINCINNATI
METRO TO PORTSMOUTH AND POINTS SOUTH THEREOF. WITH A VERY STRONG
WIND FIELD IN PLACE...DAMAGING WINDS WILL STILL BE A THREAT...ALTHOUGH
SOME ISOLATED LARGE HAIL CAN'T BE RULED OUT. HAVE HIGHS RANGING
FROM THE LOWER 60S NORTHWEST TO THE LOWER 70S SOUTHEAST...WITH
SOME FALLING TEMPERATURES EXPECTED ACRS THE NORTHWEST THIS
AFTERNOON.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH WEDNESDAY NIGHT/...
STORMS WILL DIE OUT QUICKLY THIS EVENING IN THE POST FRONTAL
ENVIRONMENT...DYING OUT ENTIRELY WITH THE PASSAGE OF THE H5
TROUGH. COLDER AIR WILL ADVECT IN ON UNIFORM NORTHWEST FLOW AS
HIGH PRESSURE BUILDS IN THE MIDWEST. SOUTHERLY FLOW WILL RETURN TO
THE REGION LATE TUESDAY...BUT NIGHTTIME LOWS WILL REMAIN COOL AS
THE SURFACE SHOULD DECOUPLE AND ANY WINDS WON'T BE ABLE TO MAKE A
SURFACE APPEARANCE UNTIL THE MIX DURING THE DAYTIME HEATING ON
WEDNESDAY. DID NOT MAKE ANY SIGNIFICANT CHANGES TO MAX/MIN TEMPS
THROUGH THE PERIOD AFTER TODAY.

MODELS ARE POINTING AT THE POSSIBILITY OF A NARROW BAND OF SHOWERS
BEING SQUEEZED OUT NORTH OF THE I-70 CORRIDOR IN OHIO AND INDIANA
ON WEDNESDAY. THIS REMAINS TO BE SEEN BUT SOME LOW CHANCE POPS
WERE WARRANTED AS THE WARM ADVECTION OVER THE REGION SHOULD BRING
IN ANOTHER ROUND OF MOISTURE...COINCIDING WITH A SURFACE LOW
DROPPING SOUTH AND STALLING IN THE SOUTHERN GREAT LAKES/NORTHERN
OHIO VALLEY REGION.

&&

.LONG TERM /THURSDAY THROUGH MONDAY/...
ACTIVE WEATHER PATTERN LOOKS TO DEVELOP LATE NEXT WEEK INTO NEXT
WEEKEND. A MEAN TROF DEVELOPS OVER THE WEST WITH UPSTREAM RIDGING
OVER THE OHIO VALLEY. INITIAL SFC WAVE TO LIFT OUT FROM THE CNTRL
PLAINS INTO THE GREAT LAKES THU/THU NIGHT. THE AFOREMENTIONED
FRONTAL BOUNDARY TO LIFT NORTH AS A WARM FRONT. AHD OF THIS
FEATURE WL MENTION CHC POPS LATE THU AFTN/THU NIGHT WITH THE BEST
CHC ACROSS THE NW.

THE REGION IS IN THE WARM SECTOR ON FRIDAY WITH THE WEAKENING SFC
WAVE TRACKING  THRU THE SRN GREAT LAKES. WL CONTINUE CHC POPS ACRS
THE ENTIRE AREA.

FRONTAL BOUNDARY TO LAY OUT ACROSS THE RGN NEXT SAT BUT UPPER SUPPORT
IS LACKING. WL CONT LOW CHC POPS WITH THE BETTER THREAT APPEARING TO
BE LATE SUNDAY INTO MONDAY WHEN A MORE SIGNIFICANT WAVE IS EXPECTED
TO EJECT NE OUT FROM THE PLAINS.

&&

.AVIATION /18Z MONDAY THROUGH SATURDAY/...
A COLD FRONT WILL PUSH SOUTHEAST ACROSS THE TAF SITES BETWEEN 18Z
AND 23Z. ABUNDANT LOW LEVEL MOISTURE AND LOW LEVEL FORCING WILL
BRING SHOWERS AND THUNDERSTORMS TO THE TAF SITES OUT AHEAD OF THE
COLD FRONT. AVIATORS CAN EXPECT MVFR/IFR CIGS AND VSBYS IN
THUNDERSTORMS. AFTER FRONTAL PASSAGE...UPPER LEVEL TROUGH AXIS
WILL PASS ACRS THE REGION OVERNIGHT. SYNOPTIC SCALE SHOWERS ARE
EXPECTED BEHIND THE FRONT WHICH WILL PRODUCE MVFR CONDITIONS.
THERE IS SOME POTENTIAL FOR SOME IFR CIGS TO DEVELOP JUST BEHIND
THE FRONT...BUT WILL CONTINUE TO MONITOR SURFACE OBSERVATIONS AND
AMEND TAFS ACCORDINGLY IF THIS BECOMES A HIGHER POSSIBILITY.
OTHERWISE...ONCE UPPER LEVEL TROF PASSES TO THE EAST...PCPN WILL
END...AND MVFR CIGS WILL LINGER. SURFACE HIGH PRESSURE WILL THEN
BUILD INTO THE TAF SITES ON TUESDAY. MVFR CIGS WILL MIX TO A VFR
CUMULUS DECK. WINDS WILL CONTINUE TO BE GUSTY THROUGH THE
PERIOD...SHIFTING TO THE NORTHWEST BEHIND THE COLD FRONT WITH WIND
GUSTS TO 25 KNOTS.

OUTLOOK...MVFR CEILINGS AND VISIBILITIES POSSIBLE IN SHOWERS AND
THUNDERSTORMS FRIDAY INTO SATURDAY.

&&

.ILN WATCHES/WARNINGS/ADVISORIES...
OH...NONE.
KY...NONE.
IN...NONE.

&&

SYNOPSIS...FRANKS/HICKMAN
NEAR TERM...HICKMAN
SHORT TERM...FRANKS
LONG TERM...AR
AVIATION...HICKMAN
Hazardous weather outlook, Apr 4, 1:23 PM EDT, 1 hour 3 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
123 PM EDT MON APR 4 2011

INZ050-058-059-066-OHZ026-034-035-042>046-051>056-060>065-070>074-
051730-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-HARDIN-MERCER-AUGLAIZE-DARKE-
SHELBY-LOGAN-UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-
FRANKLIN OH-LICKING-PREBLE-MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY-
FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING-
123 PM EDT MON APR 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...SOUTHEAST INDIANA...CENTRAL OHIO...MIAMI VALLEY OF
OHIO...SOUTHWEST OHIO AND WEST CENTRAL OHIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A STRONG COLD FRONT WILL CROSS THE REGION THIS AFTERNOON AND
EVENING. THUNDERSTORMS WITH HEAVY RAIN WILL PRODUCE LOCALIZED
FLOODING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY FOR HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

INZ073>075-080-KYZ089>100-OHZ077>082-088-051730-
RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-
CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HAMILTON-
CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO-
123 PM EDT MON APR 4 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST INDIANA...NORTHEAST
KENTUCKY...NORTHERN KENTUCKY...SOUTH CENTRAL OHIO AND SOUTHWEST
OHIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A STRONG COLD FRONT WILL CROSS THE REGION THIS AFTERNOON AND
EVENING. SEVERE THUNDERSTORMS WILL BE POSSIBLE WITH DAMAGING
STRAIGHT LINE WINDS BEING THE MAIN THREAT FROM THESE STORMS. LARGE
HAIL AND ISOLATED TORNADOES CANNOT BE RULED OUT. LOCALIZED FLOODING
WILL ALSO OCCUR WITH SOME OF THE THUNDERSTORMS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THE PROBABILITY FOR HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

In the hours before

Special weather statement, Apr 4, 12:59 PM EDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1259 PM EDT MON APR 4 2011

INZ058-059-066-073-074-OHZ060>062-070-071-041800-
FAYETTE IN-UNION IN-FRANKLIN IN-DEARBORN IN-RIPLEY IN-BUTLER OH-
WARREN OH-GREENE OH-MONTGOMERY OH-PREBLE OH-
1259 PM EDT MON APR 4 2011

...STRONG THUNDERSTORMS ACROSS THE AREA THROUGH 2 PM...

AT 1249 PM EDT...RADAR INDICATED A STRONG THUNDERSTORMS ACROSS
SOUTHEAST INDIANA INTO SOUTHWEST OHIO. WIND GUSTS TO 50 MPH AND
PENNY SIZE HAIL ARE POSSIBLE WITH THESE STORMS.

IN ADDITION...FREQUENT CLOUD TO GROUND LIGHTNING AND HEAVY RAIN CAN
BE EXPECTED WITH THESE STORMS.

RAINFALL RATES IN THE STORMS MAY EXCEED ONE INCH PER HOUR...WHICH
WILL CAUSE POORLY DRAINED AREAS TO FLOOD...ESPECIALLY IN URBAN AREAS.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BATESVILLE...
OLDENBURG...BROOKVILLE...LIBERTY...WEST COLLEGE CORNER...OXFORD...
HAMILTON...SEVEN MILE...CAMDEN...TRENTON...EATON AND SOUTH
MIDDLETOWN.

ALSO...HAMBURG...BUENA VISTA...SUNMAN...ANDERSONVILLE...PENNTOWN...
WEISBURG...PEPPERTOWN AND LAWRENCEVILLE ARE NEAR THE PATH OF THIS
STRONG THUNDERSTORM.

DO NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS. MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. WATER WILL
POND ON ROADS AND MAY QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THESE STORMS BECOME
STRONGER...THEN A WARNING MAY BE NEEDED.

LAT...LON 3920 8546 3927 8531 3956 8531 3992 8423
      3992 8419 3957 8391 3957 8397 3955 8398
      3930 8475 3930 8482 3928 8482 3907 8546

BINAU
Local storm report, Apr 4, 1:02 PM EDT, 1 hour 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
102 PM EDT MON APR 04 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1258 PM     FLOOD            CENTERVILLE             39.82N 85.00W
04/04/2011                   WAYNE              IN   EMERGENCY MNGR

            MATTIE HARRIS ROAD CLOSED DUE TO FLOODING. NUMEROUS OTHER
            ROADS IN COUNTY WITH HIGH WATER.

&&

MYRONP
Local storm report, Apr 4, 1:52 PM EDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
152 PM EDT MON APR 04 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0140 PM     FLOOD            ST. PARIS               40.13N 83.96W
04/04/2011                   CHAMPAIGN          OH   COUNTY OFFICIAL

            A COUPLE OF ROADS WITH HIGH WATER.

&&

MYRONP
Local storm report, Apr 4, 1:53 PM EDT, 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
153 PM EDT MON APR 04 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0142 PM     FLOOD            TROY                    40.04N 84.22W
04/04/2011                   MIAMI              OH   COUNTY OFFICIAL

            SEVERAL ROADS WITH HIGH WATER.

&&

MYRONP
Special weather statement, Apr 4, 1:54 PM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
154 PM EDT MON APR 4 2011

INZ074-075-080-KYZ089>097-OHZ051-053>055-061>064-070>072-077>080-
041845-
DEARBORN IN-OHIO IN-SWITZERLAND IN-GRANT KY-BOONE KY-CAMPBELL KY-
KENTON KY-PENDLETON KY-GALLATIN KY-BRACKEN KY-CARROLL KY-OWEN KY-
CLERMONT OH-HAMILTON OH-HIGHLAND OH-BROWN OH-CLINTON OH-BUTLER OH-
WARREN OH-FAYETTE OH-PICKAWAY OH-GREENE OH-CLARK OH-MADISON OH-
FRANKLIN OH-MIAMI OH-MONTGOMERY OH-
154 PM EDT MON APR 4 2011

...LINE OF THUNDERSTORMS CROSSING THE AREA THIS AFTERNOON...

AT 149 PM EDT...RADAR INDICATED THUNDERSTORMS ALONG A LINE EXTENDING
FROM WRIGHT-PATTERSON AIR FORCE BASE TO HAMILTON TO CARROLLTON...MOVING EAST
AT 50 MPH.

AS THE LINE CONTINUES TO SLOWLY STRENGTHEN...WIND GUSTS TO 50 MPH AND
ONE HALF INCH DIAMETER WILL BE POSSIBLE WITH THESE STORMS AS THEY
PROGRESS TO THE EAST AND NORTHEAST.

IN ADDITION...HEAVY RAIN CAN BE EXPECTED WITH THESE STORMS.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CARROLLTON...MONROE...
FOREST PARK...NEW CARLISLE...SPRINGBORO...FAIRBORN...BEAVERCREEK...
SPRINGDALE...MOUNT HEALTHY...NORTH COLLEGE HILL...ENON AND CHEVIOT.

WATER WILL POND ON ROADS AND MAY QUICKLY FILL ROADSIDE DITCHES AND
SMALL STREAMS.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THESE STORMS BECOME
STRONGER...THEN A WARNING MAY BE NEEDED.

LAT...LON 3838 8491 3845 8493 3843 8497 3851 8500
      3852 8504 3856 8502 3860 8523 3872 8533
      3875 8527 3871 8521 3882 8522 3940 8454
      4002 8401 3994 8303 3948 8345 3856 8436
      3850 8454 3836 8473 3833 8481

BINAU
Local storm report, Apr 4, 2:14 PM EDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
214 PM EDT MON APR 04 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0212 PM     FLOOD            ELDORADO                39.90N 84.68W
04/04/2011                   PREBLE             OH   LAW ENFORCEMENT

            WATER WAS REPORTED OVER ONE ROADWAY IN NORTH CENTRAL
            PREBLE COUNTY.

&&

ANOVAK

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 4, 1:54 PM EDTSpecial Weather StatementILNBoone, Campbell, Carroll, Gallatin, Grant, Kenton and 2 more51 min
Apr 4, 2:51 PM EDTSpecial Weather StatementILNBracken, Campbell, Mason, Pendleton, Robertson54 min
Apr 4, 3:46 PM EDTAreal Flood AdvisoryILNGrant, Pendleton3 hr
Apr 4, 4:15 PM EDTSpecial Weather StatementILNLewis60 min
Apr 4, 5:49 AM EDTSpecial Weather StatementILNAuglaize, Darke, Mercer, Shelby71 min
Apr 4, 6:10 AM EDTSevere Thunderstorm WarningILNAuglaize, Darke, Mercer50 min
Apr 4, 7:06 AM EDTSpecial Weather StatementILNAuglaize, Champaign, Darke, Hardin, Logan, Miami and 3 more54 min
Apr 4, 8:01 AM EDTSevere Thunderstorm WarningILNDarke, Miami29 min
Apr 4, 8:10 AM EDTSevere Thunderstorm WarningILNButler, Preble50 min
Apr 4, 8:36 AM EDTSpecial Weather StatementILNUnion24 min
Apr 4, 8:50 AM EDTSpecial Weather StatementILNDelaware25 min
Apr 4, 8:54 AM EDTSevere Thunderstorm WarningILNClark, Fayette, Greene, Madison, Montgomery51 min
Apr 4, 9:21 AM EDTSpecial Weather StatementILNButler, Clinton, Fayette, Warren39 min
Apr 4, 9:42 AM EDTSpecial Weather StatementILNFairfield, Licking, Pickaway63 min
Apr 4, 9:45 AM EDTSpecial Weather StatementILNPreble30 min
Apr 4, 12:22 PM EDTSpecial Weather StatementILNChampaign, Clark, Logan, Miami, Montgomery, Preble53 min
Apr 4, 12:51 PM EDTAreal Flood AdvisoryILNChampaign, Darke, Logan, Miami, Shelby7 hr
Apr 4, 12:59 PM EDTSpecial Weather StatementILNButler, Montgomery, Preble61 min
Apr 4, 1:19 PM EDTAreal Flood AdvisoryILNClark, Greene, Montgomery, Preble6 hr
Apr 4, 3:07 PM EDTSevere Thunderstorm WarningILNClinton, Fairfield, Fayette, Highland, Pickaway, Ross38 min
Apr 4, 3:22 PM EDTSevere Thunderstorm WarningILNAdams, Brown, Highland, Pike, Ross16 min
Apr 4, 3:27 PM EDTSevere Thunderstorm WarningILNDelaware, Fairfield, Franklin, Hocking, Licking, Pickaway52 min
Apr 4, 3:30 PM EDTAreal Flood AdvisoryILNDelaware, Fairfield, Franklin, Licking, Madison, Pickaway and 1 more4 hr
Apr 4, 3:35 PM EDTFlash Flood WarningILNDelaware, Fairfield, Franklin, Licking, Pickaway116 min
Apr 4, 3:44 PM EDTTornado WarningILNLicking21 min
Apr 4, 4:08 PM EDTAreal Flood AdvisoryILNBrown, Clinton, Fairfield, Fayette, Highland, Pickaway and 2 more3 hr
Apr 4, 11:26 AM EDTSpecial Weather StatementILNFayette, Franklin, Union64 min
Apr 4, 12:17 PM EDTAreal Flood AdvisoryILNFayette, Union, Wayne7 hr

Nearby

Severe Thunderstorm Warnings in Kentucky, 2011Severe Thunderstorm Warnings in Ohio, 2011Severe Thunderstorm Warnings in Indiana, 2011Every severe thunderstorm warning in 2011

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.