Alert archive / Ohio / Red Flag Warnings in 2012

Red Flag Warning 2, NWS Pittsburgh, PA

June 28, 2012Monroe County, Muskingum County, Noble County, Ohio

NWS Pittsburgh, PA issued this red flag warning at Jun 28, 2012, 9:31 AM EDT for Monroe County, Muskingum County, Noble County, Ohio. It took effect at Jun 28, 2012, 12:00 PM EDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 28, 2012, 9:31 AM EDT (13:31 UTC)
In effect from
Jun 28, 2012, 12:00 PM EDT
Expired
Jun 28, 2012, 7:42 PM EDT
In force
8 hr
Issued by
NWS Pittsburgh, PA

Counties Monroe County, OH, Muskingum County, OH, Noble County, OH

The radar

The Pittsburgh radar (KPBZ), 134 km from the middle of the area, began a volume at 13:32 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

Pittsburgh, PA (KPIT), launched 12:00Z, 1.5 hours before the alert went out and 136 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, Pittsburgh, PA at 12:00Z on 2012-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 2012-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2455 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
240 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.

461 
WWUS81 KPBZ 281331
RFWPBZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
931 AM EDT THU JUN 28 2012

...DRY AND BREEZY CONDITIONS THIS AFTERNOON...

.HIGH PRESSURE WILL MOVE TO THE EAST OF THE AREA THIS AFTERNOON
AND SOUTHWEST WINDS WILL INCREASE. DEWPOINTS WILL REMAIN LARGELY
IN THE 50S...SO RELATIVE HUMIDITY VALUES WILL FALL AS HIGH REACH
THE MID AND UPPER 90S. CRITICAL FIRE WEATHER CONDITIONS ARE LIKELY
TO BE MET WITH LOW RELATIVE HUMIDITY VALUES AND BREEZY CONDITIONS
IN MUSKINGUM...NOBLE...AND MONROE COUNTIES.

OHZ057-068-069-290000-
/O.NEW.KPBZ.FW.W.0002.120628T1600Z-120629T0000Z/
MUSKINGUM-NOBLE-MONROE-
931 AM EDT THU JUN 28 2012

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT UNTIL 8 PM EDT THIS EVENING. 

* TIMING: NOON TO 8 PM.

* WIND: SOUTHWEST AROUND 15 MPH...WITH GUSTS TO 25 MPH.

* HUMIDITY: DROPPING TO AROUND 30 PERCENT BY AFTERNOON.

* TEMPERATURES AND STABILITY: HIGHS WILL REACH THE MID TO UPPER
  90S...WITH STABLE CONDITIONS THROUGH AFTERNOON.

* THUNDERSTORM THREAT: THUNDERSTORM CHANCES WILL BE LOW THIS
  AFTERNOON...BUT INCREASE LATE THIS EVENING AND OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF
STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL
CREATE EXPLOSIVE FIRE GROWTH POTENTIAL.

&&

$$
1 follow-up statement
910 
WWUS81 KPBZ 282342
RFWPBZ

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PITTSBURGH PA
742 PM EDT THU JUN 28 2012


OHZ057-068-069-290045-
/O.CAN.KPBZ.FW.W.0002.000000T0000Z-120629T0000Z/
MUSKINGUM-NOBLE-MONROE-
742 PM EDT THU JUN 28 2012

...RED FLAG WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS CANCELLED THE RED
FLAG WARNING. 

DEW POINTS HAVE RISEN ACROSS THE REGION AND THE WARNING IS
CANCELLED.

$$

The office that day

Everything else NWS Pittsburgh, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 3:05 PM EDTHeat AdvisoryPBZBelmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison and 5 more28 hr

Nearby

Red Flag Warnings in Ohio, 2012Every red flag 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.