Alert archive / Ohio / Red Flag Warnings in 2018

Red Flag Warning 1, NWS Cleveland, OH

May 1, 201820 counties in Ohio

NWS Cleveland, OH issued this red flag warning at May 1, 2018, 10:12 AM EDT for 20 counties in Ohio. It took effect at May 1, 2018, 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
May 1, 2018, 10:12 AM EDT (14:12 UTC)
In effect from
May 1, 2018, 12:00 PM EDT
Expired
May 1, 2018, 8:00 PM EDT
In force
8 hr
Issued by
NWS Cleveland, OH

Counties Ashland County, OH, Crawford County, OH, Erie County, OH, Hancock County, OH, Holmes County, OH, Huron County, OH, Knox County, OH, Lorain County, OH, Lucas County, OH, Marion County, OH, Medina County, OH, Morrow County, OH, Ottawa County, OH, Richland County, OH, Sandusky County, OH, Seneca County, OH, Stark County, OH, Wayne County, OH, Wood County, OH, Wyandot County, OH

The radar

The Cleveland radar (KCLE), 83 km from the middle of the area, began a volume at 14:15 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, 2.2 hours before the alert went out and 199 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 2018-05-01Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2018-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 square meters per square second.1939Sfc1 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
2976 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

395 
WWUS81 KCLE 011412
RFWCLE

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cleveland OH
1012 AM EDT Tue May 1 2018

.Humidity levels across the region will drop to between 18 
percent and 25 percent and winds are expected to exceed 15 mph. 
These conditions are favorable for the drying of fuels and 
increasing the risk for the spread of fires.

OHZ003-006>010-017>020-027>031-036>038-047-020000-
/O.UPG.KCLE.FW.A.0001.180501T1600Z-180502T0000Z/
/O.NEW.KCLE.FW.W.0001.180501T1600Z-180502T0000Z/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Medina-Wyandot-Crawford-Richland-Ashland-Wayne-Marion-Morrow-
Holmes-Knox-
1012 AM EDT Tue May 1 2018

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR 
WIND AND LOW RELATIVE HUMIDITY...

The National Weather Service in Cleveland has issued a Red Flag
Warning, which is in effect until 8 PM EDT this evening. The Fire
Weather Watch is no longer in effect. 

* AFFECTED AREA...FIRE WEATHER ZONES 003, 006, 007, 008, 009, 010,
  017, 018, 019, 020, 027, 028, 029, 030, 031, 036, 037, 038, AND
  047. This encompasses the area from Toledo and Findlay east to
  just west of Cleveland and south to Knox County.

* WIND...Southwest 15 to 20 MPH with gusts above 20 MPH.

* HUMIDITY...Humidity levels dropping to between 18 and 25 
  percent today. 

* IMPACTS...any fires that develop could spread rapidly. 
  Outdoor burning is not recommended. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning is issued when critical fire weather
conditions are occurring or are imminent. A combination of
winds...low relative humidity...and warm temperatures can
contribute to extreme fire spread and fire behavior.

&&

$$

OHZ032-020000-
/O.NEW.KCLE.FW.W.0001.180501T1600Z-180502T0000Z/
Stark-
1012 AM EDT Tue May 1 2018

...RED FLAG WARNING IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR WIND
AND LOW RELATIVE HUMIDITY...

The National Weather Service in Cleveland has issued a Red Flag
Warning, which is in effect until 8 PM EDT this evening. 

* AFFECTED AREA...Fire weather zone 032...Stark County.

* WIND...Southwest winds around 15 MPH.

* HUMIDITY...Humidity levels dropping to between 20 and 25 
  percent this afternoon.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning is issued when critical fire weather
conditions are occurring or are imminent. A combination of
winds...low relative humidity...and warm temperatures can
contribute to extreme fire spread and fire behavior.

&&

$$

oudeman
1 follow-up statement
775 
WWUS81 KCLE 020005
RFWCLE

URGENT - FIRE WEATHER MESSAGE
National Weather Service Cleveland OH
805 PM EDT Tue May 1 2018


OHZ003-006>010-017>020-027>032-036>038-047-020115-
/O.EXP.KCLE.FW.W.0001.000000T0000Z-180502T0000Z/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Hancock-Seneca-Huron-
Medina-Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Marion-
Morrow-Holmes-Knox-
805 PM EDT Tue May 1 2018

...RED FLAG WARNING EXPIREd AT 8 PM EDT THIS EVENING FOR FIRE 
WEATHER ZONES 003, 006, 007, 008, 009, 010, 017, 018, 019, 020, 
027, 028, 029, 030, 031, 032, 036, 037, 038, AND 047...

While dry and breezy conditions were still occurring in local 
areas across northern Ohio, humidity level will be rising and 
winds will be dropping this evening. Therefore the red flag 
warning has been allowed to expire.

$$

tk

Nearby

Red Flag Warnings in Ohio, 2018Every red flag warning in 2018

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.