Alert archive / Ohio / Special Weather Statements in 2014

Special Weather Statement, NWS Wilmington, OH

August 2, 2014Brown County, Ohio

NWS Wilmington, OH issued this special weather statement at Aug 2, 2014, 4:04 PM EDT for Brown County, Ohio. It was in force for 26 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
Aug 2, 2014, 4:04 PM EDT (20:04 UTC)
Expired
Aug 2, 2014, 4:30 PM EDT
In force
26 min
Issued by
NWS Wilmington, OH

County Brown County, OH

The radar

The Cincinnati radar (KILN), 62 km from the middle of the area, began a volume at 20:06 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.1 hours before the alert went out and 63 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 2014-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 680 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 2014-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.193958Sfc1 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
680 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
999 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 2, 1:53 PM EDT, 2 hours 11 minutes earlier.

Area forecast discussion, Aug 2, 1:53 PM EDT, 2 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
153 PM EDT SAT AUG 2 2014

.SYNOPSIS...
AN UPPER LEVEL TROUGH WILL TRACK ACROSS THE REGION TODAY. HIGH
PRESSURE WILL BUILD IN SUNDAY AND MONDAY. A COLD FRONT WILL SAG
INTO THE REGION TOWARDS MIDWEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
WHILE MOST OF THE STORMS OVER CWA APPEAR TO BE CLUSTERED OVER
CENTRAL OHIO AND SPREADING S ALONG ROUTE 23 IN THE SCIOTO
VALLEY...AM RELUCTANT TO REMOVE THE CHANCES OF THUNDERSTORMS OVER
REMAINDER OF CWA THIS AFTERNOON. ISOLATED CELLS SOUTH OF CWA IN KY
ARE INDICATIVE OF TEMPS HITTING A CONVECTIVE TRIGGER AND TSTORMS
BECOMING LOWER BASED. IF WESTERN CWA WHICH HAS NOT BEEN WORKED
OVER WITH STORMS CAN HEAT UP...I WOULD NOT BE SURPRISED TO SEE
DEVELOPMENT IN THE NEXT FEW HOURS.

WITH ALL THAT BEING SAID...TEMPS ARE SOMEWHAT MUTED THIS EARLY
AFTERNOON WITH THE RAINFALL AND I PUSHED THE COOLER READINGS INTO
THE EVENING TEMPERATURE TRACE AND BLENDED INTO THE OVERNIGHT
PERIOD. BEST CHANCE FOR CONVECTIVE TEMPS AND MORE TSTORMS TODAY
WILL LIKELY BE NEAR OHIO RIVER AND INTO KY.

STORMS ARE SLOW MOVING AND EFFICIENT RAINERS BUT LARGELY JUST
PRODUCING BENEFICIAL RAIN THIS MORNING. CANNOT RULE OUT SOME
FLOODING UNDER A CLUSTER THAT TAKES ITS TIME TO MOVE FROM POINT A
TO POINT B. NO CLEAR INDICATIONS EXIST TO PINPOINT WHERE TSTORMS
FAVORED DEVELOPMENT WILL BE THIS AFTERNOON...OR EVEN IF IT GOES.

&&

.SHORT TERM /SUNDAY THROUGH MONDAY NIGHT/...
HIGH PRESSURE WILL BUILD INTO THE REGION THROUGH THE SHORT TERM.
PROXIMITY OF UPPER TROUGH JUST EAST OF THE AREA COULD STILL ALLOW
FOR A FEW SHOWERS AND THUNDERSTORMS WITH HEATING ON SUNDAY IN
EASTERN COUNTIES. OTHERWISE THE PERIOD WILL BE DRY WITH BELOW
NORMAL TEMPERATURES.

&&

.LONG TERM /TUESDAY THROUGH FRIDAY/...
MODELS IN DISAGREEMENT ON TIMING AND STRENGTH OF NEXT PIECE OF
ENERGY MOVING INTO THE MEAN EASTERN TROUGH WITH THE 00Z GFS BEING
FASTER AND STRONGER THAN OTHER GUIDANCE. HAVE LEANED TOWARDS THE
LATTER. THIS WOULD RESULT IN A FRONT DROPPING INTO THE LOWER GREAT
LAKES ON TUESDAY AND THEN JUST SLOWLY SAGGING SOUTH MID WEEK.
LOOKS LIKE THE BOUNDARY WILL BE ACTIVE WHICH WILL BRING A CHANCE
OF SHOWERS AND THUNDERSTORMS ACROSS THE REGION. THIS FRONT WILL
PUSH JUST SOUTH OF THE AREA BEFORE STALLING THURSDAY INTO FRIDAY.
TEMPERATURES WILL RISE TO AROUND NORMAL AHEAD OF THE BOUNDARY AND
THEN DROP BACK SLIGHTLY LATE IN THE WEEK.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
CORE OF THE UPPER LEVEL LOW APPEARS TO BE LOCATED IN MIAMI COUNTY
PER THE SPIN ON THE SHOWER THAT WAS THERE FROM 17-18Z AND THE
DIFFERING CLOUD TYPES/MOVEMENTS NOTED IN VIS SATELLITE AT ISSUANCE
TIME. THIS WILL CONTINUE TO MOVE EAST AND DEEPEN THIS
AFTERNOON...PUTTING KDAY ON THE BACK SIDE AND DOWNWARD MOTION. DO
NOT HAVE ANY CONTINUED SHOWERS HERE...AND ONLY THING GOING IN THE
GENERALLY CLEARER SKIES IN SW OH IS A LINE W OF FAIRFIELD MOVING
TOWARDS CVG/LUK TAFS IN THE NEXT HOUR OR TWO. KILN COULD STAY DRY
AND CMH MAY SEE REDEVELOPMENT AFTER THE INITIAL ROUND OF SHOWERS
SANS THUNDER QUITS IN THE NEXT HOUR OR TWO.

BY 0Z...H5 LOW IS BETWEEN DAY AND CMH AND ACTIVITY WILL BE ON A
CONTINUED DOWN SLIDE WITH THE ATMOSPHERE HAVING BEEN WORKED OVER
FROM THE ONGOING STORMS THIS AFTERNOON. ATMOSPHERE WILL NOT BE
PRIMED TO CONTINUE ANY STORMS INTO THE OVERNIGHT HOURS WITH A LACK
OF DAYTIME HEATING CREATING UNSTABLE AIR.

WITH THE RAIN FROM LAST NIGHT AND TODAY...A NUMBER OF TAF SITES
WILL PROBABLY GET 5SM BR LATE OVERNIGHT AS LOWS AROUND 60 DROP
TOWARDS SIMILAR DEWPOINTS.

OUTLOOK...THUNDERSTORMS POSSIBLE TUES NIGHT AND WEDNESDAY.

&&

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

&&

SYNOPSIS...
NEAR TERM...FRANKS
SHORT TERM...
LONG TERM...
AVIATION...FRANKS
Hazardous weather outlook, Aug 2, 5:00 AM EDT, 11 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
500 AM EDT SAT AUG 2 2014

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-030900-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-
SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-
PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-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-HAMILTON-CLERMONT-BROWN-
HIGHLAND-ADAMS-PIKE-SCIOTO-
500 AM EDT SAT AUG 2 2014

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

.DAY ONE...TODAY AND TONIGHT.

SOME THUNDERSTORMS TODAY INTO THIS EVENING MAY BECOME VERY SLOW
MOVING. THIS COULD RESULT IN LOCALIZED HEAVY RAINFALL AND
FLOODING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Aug 2, 1:24 PM EDT, 2 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
124 PM EDT SAT AUG 02 2014

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

0122 PM     HEAVY RAIN       3 ENE GAHANNA           40.04N 82.83W
08/02/2014  M2.56 INCH       FRANKLIN           OH   MESONET

&&

BINAU
Special weather statement, Aug 2, 1:28 PM EDT, 2 hours 36 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
128 PM EDT SAT AUG 2 2014

OHZ073-082-021815-
PIKE OH-ROSS OH-
128 PM EDT SAT AUG 2 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT CENTRAL ROSS AND
WESTERN PIKE COUNTIES THROUGH 215 PM EDT...

AT 126 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM FRANKFORT TO POPLAR GROVE...MOVING EAST AT 15 MPH.

STORM HAZARDS INCLUDE...
WINDS TO 40 MPH...
ONE HALF INCH DIAMETER HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...
VERY HEAVY RAIN...

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...CHILLICOTHE...
KNOCKEMSTIFF...SUMMITHILL...ANDERSONVILLE...LADD...BUCHANAN...NORTH
FORK VILLAGE...ELM GROVE...IDAHO...MASSIEVILLE AND LAKE WHITE.

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

LAT...LON 3896 8309 3896 8321 3897 8322 3899 8321
      3900 8323 3901 8324 3902 8327 3904 8331
      3905 8331 3906 8335 3944 8320 3947 8284

SNYDER
Special weather statement, Aug 2, 1:36 PM EDT, 2 hours 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
136 PM EDT SAT AUG 2 2014

OHZ081-021800-
ADAMS OH-
136 PM EDT SAT AUG 2 2014

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN ADAMS COUNTY
THROUGH 200 PM EDT...

AT 133 PM EDT...RADAR INDICATED A STRONG THUNDERSTORM NEAR BLUE
CREEK...MOVING EAST AT 15 MPH.

STORM HAZARDS INCLUDE...
WINDS TO 40 MPH...
ONE HALF INCH DIAMETER HAIL...
VERY HEAVY RAIN...

THE STRONG THUNDERSTORM WILL AFFECT MAINLY RURAL AREAS OF
SOUTHEASTERN ADAMS COUNTY...INCLUDING BLUE CREEK AND WAMSLEY.

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

LAT...LON 3883 8327 3862 8327 3872 8348 3883 8341

SNYDER
Local storm report, Aug 2, 2:38 PM EDT, 1 hour 26 minutes before
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Special weather statement, Aug 2, 2:52 PM EDT, 1 hour 12 minutes before
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Special weather statement, Aug 2, 4:04 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 9:30 PM EDTAreal Flood AdvisoryILNDarke, Mercer2 hr
Aug 1, 10:28 PM EDTSpecial Weather StatementILNMercer32 min
Aug 1, 10:37 PM EDTAreal Flood AdvisoryILNButler, Hamilton113 min
Aug 1, 10:42 PM EDTAreal Flood AdvisoryILNAuglaize, Mercer2 hr
Aug 2, 2:31 AM EDTAreal Flood AdvisoryILNMercer5 hr
Aug 2, 3:37 AM EDTAreal Flood AdvisoryILNAuglaize3 hr
Aug 2, 12:43 PM EDTAreal Flood AdvisoryILNFranklin92 min
Aug 2, 12:52 PM EDTSpecial Weather StatementILNRoss23 min
Aug 2, 1:11 PM EDTAreal Flood AdvisoryILNRoss94 min
Aug 2, 1:28 PM EDTSpecial Weather StatementILNPike, Ross47 min
Aug 2, 1:36 PM EDTSpecial Weather StatementILNAdams24 min
Aug 2, 1:48 PM EDTSevere Thunderstorm WarningILNRoss27 min
Aug 2, 2:52 PM EDTSpecial Weather StatementILNHocking38 min
Aug 2, 4:59 PM EDTAreal Flood AdvisoryILNBrown, Clermont2 hr
Aug 2, 4:38 PM EDTSpecial Weather StatementILNBracken, Mason, Pendleton22 min
Aug 2, 4:40 PM EDTSpecial Weather StatementILNMason35 min
Aug 2, 4:42 PM EDTSevere Thunderstorm WarningILNBracken, Mason, Robertson33 min
Aug 2, 5:11 PM EDTSpecial Weather StatementILNRobertson34 min

Nearby

Special Weather Statements in Ohio, 2014Every special weather statement in 2014

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.